阅读说明：本技术 正反双面电连接构造 (Front and back double-sided electric connection structure ) 是由 蔡周贤 于 2011-08-30 设计创作，主要内容包括：本发明系提供一种正反双面电连接构造,其系可双向对接一对接电连接器,其包括有：一对接构造,该对接构造设有一绝缘体,该绝缘体前端设有一连接部,该连接部为一连接板,该连接板设有上下两板面,该上下两板面各设有一连接介面,该二连接介面各设有至少一排接点,该至少二排接点各设有多个不同电路之接点,该至少二排接点设于该连接板之上下二板面,该至少二排接点形成在至少一排端子,该至少一排端子定位于该对接构造之绝缘体,该对接构造之该连接板之形状可正反双面对接定位于一对接电连接器之一连接槽；其特征在于该连接板之后段较前段为厚。(The present invention provides a front-back double-sided electrical connection structure, which is a two-way butt-joint electrical connector, comprising: a butt joint structure, wherein the butt joint structure is provided with an insulator, the front end of the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with a plurality of contacts of different circuits, the at least two rows of contacts are arranged on the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least one row of terminals, the at least one row of terminals are positioned on the insulator of the butt joint structure, and the shape of the connecting plate of the butt joint structure can be butt-jointed and positioned on a connecting groove of a butt joint electric connector in a positive and negative double-faced mode; it is characterized in that the rear section of the connecting plate is thicker than the front section.)

1. A front-back double-sided electrical connection structure is disclosed, which is a bi-directional butt-joint electrical connector, comprising: a butt joint structure, wherein the butt joint structure is provided with an insulator, the front end of the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with a plurality of contacts of different circuits, the at least two rows of contacts are arranged on the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least one row of terminals, the at least one row of terminals are positioned on the insulator of the butt joint structure, and the shape of the connecting plate of the butt joint structure can be butt-jointed and positioned on a connecting groove of a butt joint electric connector in a positive and negative double-faced mode;

it is characterized in that the rear section of the connecting plate is thicker than the front section.

2. A front-back double-sided electrical connection structure is disclosed, which is a bi-directional butt-joint electrical connector, comprising: a butt joint structure, wherein the butt joint structure is provided with an insulator, the front end of the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with a plurality of contacts of different circuits, the at least two rows of contacts are flat contact points arranged on the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least one row of terminals, the at least one row of terminals are positioned on the insulator of the butt joint structure, and the shape of the connecting plate of the butt joint structure can be butt-jointed and positioned on a connecting groove of a butt joint electric connector in a positive and negative double-sided way;

it is characterized by that it is equipped with a sealing colloid body, said sealing colloid body is placed on the connecting plate of said butt-joint structure, said sealing colloid body is embedded in said connecting plate and combined by means of sealing colloid so as to form said connecting plate, and at least one pair of identical circuit contacts of said two connecting interfaces are electrically connected with said connecting plate to form identical circuit.

3. A front-back double-sided electrical connection structure is disclosed, which is a bi-directional butt-joint electrical connector, comprising:

a butt joint structure, wherein the butt joint structure is provided with an insulator, the front end of the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with a plurality of contacts of different circuits, the at least two rows of contacts are arranged on the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least one row of terminals, the at least one row of terminals are positioned on the insulator of the butt joint structure, and the shape of the connecting plate of the butt joint structure can be butt-jointed and positioned on a connecting groove of a butt joint electric connector in a positive and negative double-faced mode;

and the clamping structure is two clamping concave parts made of metal, the two clamping concave parts are respectively and integrally arranged on the two metal plate bodies, the two metal plate bodies are respectively fixed on the left side and the right side of the connecting plate, the clamping concave parts are provided with concave bottom surfaces and clamping surfaces made of metal, and when the butting structure and the butting electric connector are butted, the clamping surfaces or the concave parts of the clamping structure can be mutually clamped with the clamping structure of the butting electric connector, so that the butting direction of the butting electric connector is prevented from being separated.

4. The dual sided electrical connection structure as claimed in claim 3, wherein the rear section of the connection board is thicker than the front section.

5. The front and back sides electrical connection structure of claim 3, wherein a reinforcing structure is provided, and the reinforcing structure is provided with the two metal plates to enhance the strength of the connection plate.

6. A front-back double-side electric connection structure is provided with;

a butt joint structure, wherein the butt joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of connecting points, the at least two rows of connecting points are respectively provided with at least two connecting points of different circuits, the at least two rows of connecting points are arranged on the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of connecting points are formed on at least one row of terminals, the at least one row of terminals are positioned on the insulator of the butt joint structure, and the shape of the connecting plate of the butt joint structure can be used for positioning one connecting groove of a butt joint connector in a forward and reverse bidirectional butt joint manner;

the locking structure is a locking concave part made of metal, the locking structure is fixedly arranged at the left side and the right side of the connecting plate, the locking concave part is provided with a concave bottom surface and a locking surface made of metal, when the butting structure and the butting electric connector are butted, the locking surface or the concave part of the locking structure can be mutually locked with the locking structure of the butting electric connector, and the butting electric connector is prevented from being separated from the butting direction.

7. A positive and negative double-sided electric connection structure comprises:

a butt-joint structure, wherein the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least one row of terminals, the at least one row of terminals are positioned on the insulator of the butt-joint structure, and the shape of the connecting part of the butt-joint structure can be butt-jointed and positioned on a butt-joint part of a butt-joint electric connector in a positive and negative double-faced mode; and

a locking structure, which is a locking concave part or a spring piece made of metal, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part is butted with the butting part of the butting electric connector, the locking structure can be locked with one locking structure of the butting part to prevent the butting electric connector from being separated from the opposite butting direction, one of the connecting part and the butting part is a connecting plate, the locking structure arranged at the connecting plate is a locking concave part made of metal and is fixedly arranged at the left and right sides of the connecting plate, and the locking concave part is provided with a concave bottom surface and a locking surface made of metal.

8. The electrical connection structure according to claim 7, wherein the mating portion has an upper plate and a lower plate, the upper plate and the lower plate each having a connection interface, the two connection interfaces of the mating portion are electrically connected to the two connection interfaces of the connecting portion.

9. The front-to-back double-sided electrical connection structure of claim 7, wherein a detection structure is provided, which has at least one detection terminal, the at least one detection terminal is at least one terminal of the two connection interfaces of the mating structure.

10. The right and left double-sided electrical connection structure as claimed in claim 7, wherein the insulation body of the butt-joint structure is provided with an upper insulation seat and a lower insulation seat, and the at least two rows of terminals are respectively embedded in the upper and lower insulation seats by plastic injection molding.

Technical Field

The present invention relates to an electrical connector, and more particularly to a front-back dual-side electrical connector.

Background

The most popular signal transmission specification of the present computer equipment is the Universal Serial Bus (USB), and the connector socket and the transmission line manufactured by the specification can make the peripheral equipment externally connected to the computer, such as mouse, keyboard, and portable disk, be measured by the computer and used immediately.

At present, the USB female socket and the USB connector are all in one-way electric connection, in order to ensure that the USB connector can be electrically connected when being inserted into the USB female socket, the USB female socket and the USB connector are in butt joint, the USB female socket and the USB connector are in foolproof design, namely, the USB connector cannot be inserted when being reversely inserted, a user can replace the USB connector to insert in the other direction, the USB connector can be inserted only when the direction is correct, and therefore, the USB female socket and the USB connector can be electrically connected after being inserted.

Referring to fig. 1 and 2, a disc body 1 with a plate-type connector and a USB specification of 2.0 is provided, which includes a plastic base 10 and a circuit board 15, wherein a rear portion of the circuit board 15 is covered by the plastic base 10, only one surface of a front portion of the circuit board 15 is exposed out of the plastic base 10, and the surface of the circuit board 15 is provided with a row of four contacts 16.

Referring to fig. 3, there is provided a conventional USB2.0 standard female connector 20, which includes a metal shell 25 and a tongue 22, wherein a connecting slot 21 is formed in the metal shell 25, the tongue 22 is located at an upper position of the connecting slot, a row of 4 contacts 23 is disposed below the tongue, and two elastic pieces 24 are stamped and protruded from the top and bottom of the metal shell 25.

Referring to fig. 4, in use, the flash drive 1 needs to insert the contact 16 upward into the connecting slot 21 to electrically connect with a row of contacts 23 located under the tongue piece 22, and the four spring pieces 24 are tightly pressed against the flash drive 1; if the disc body 1 is inserted into the connecting slot 21 on the reverse side, it cannot be electrically connected, and the user usually inserts randomly, so the probability of inserting is 1/2, and it is often inserted twice, which causes inconvenience in use.

In order to facilitate the use, the applicant has to use both front and back sides for electrical connection, so as to meet the requirement, so the applicant has developed an electronic device with a front and back double-sided connector having double-sided electrical connection function, in order to match the double-sided electrical connection function, the connector must be designed with two rows of contacts, however, in use, the spring sheet 24 of the electrical connection female socket is connected to the contact of the other board surface to cause short circuit, so it is necessary to overcome the problem.

The applicant of the present invention is interested in studying the double-sided insertion design of the above products, and finally proposes an improved structure of the product that overcomes the above potential problems.

Disclosure of Invention

The main object of the present invention is to provide a front-back double-sided electrical connection structure, in which the upper and lower plate surfaces of the butt-joint structure have contacts, so as to achieve the convenience and versatility of use.

To achieve the above object, the present invention provides a front-back double-sided electrical connection structure, which is a bidirectional butt-joint electrical connector, comprising: a butt joint structure, wherein the butt joint structure is provided with an insulator, the front end of the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with a plurality of contacts of different circuits, the at least two rows of contacts are arranged on the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least one row of terminals, the at least one row of terminals are positioned on the insulator of the butt joint structure, and the shape of the connecting plate of the butt joint structure can be butt-jointed and positioned on a connecting groove of a butt joint electric connector in a positive and negative double-faced mode; it is characterized in that the rear section of the connecting plate is thicker than the front section.

With the above structure, the present invention can achieve the convenience and versatility of use.

The above and other objects, advantages and features of the present invention will become more apparent from the detailed description of the preferred embodiments when taken in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a perspective view of a conventional personal disk.

Fig. 2 is a front sectional view of a conventional personal video disk.

Fig. 3 is a front view of a conventional female electrical connector.

Fig. 4 is a front view of a conventional flash drive inserted into an electrical connection female socket.

Fig. 5 is an exploded perspective view of the first embodiment of the present invention.

Fig. 6 is a perspective combination view of the first embodiment of the present invention.

Fig. 7 is a front sectional view of the first embodiment of the present invention.

Fig. 8 is a schematic diagram of a series connection of two rows of first contacts according to the first embodiment of the present invention.

Fig. 9 is a state diagram of the use of the first embodiment of the present invention.

Fig. 10 is a perspective combination view of the second embodiment of the present invention.

Fig. 11 is a front sectional view of a second embodiment of the present invention.

Fig. 12 is a perspective combination view of the third embodiment of the present invention.

Fig. 13 is a schematic diagram of a series connection of two rows of first contacts according to a third embodiment of the present invention.

Fig. 14 is a side sectional view of a fourth embodiment of the present invention.

Fig. 15 is a front view of a fourth embodiment of the present invention.

Fig. 16 is a perspective combination view of the fifth embodiment of the present invention.

Fig. 17 is an exploded perspective view of a sixth embodiment of the present invention.

Fig. 18 is a perspective combination view of the sixth embodiment of the present invention.

Fig. 19 is a perspective combination view of the seventh embodiment of the present invention.

Fig. 20 is a front perspective assembly view of the eighth embodiment of the present invention.

Fig. 21 is a perspective assembly view of the reverse of the eighth embodiment of the present invention.

Fig. 22 is a side sectional view of a ninth embodiment of the invention.

Fig. 23 is a side sectional view of a tenth embodiment of the invention.

Fig. 24 is a side sectional view of an eleventh embodiment of the invention.

Fig. 25 is a perspective combination view of the twelfth embodiment of the present invention.

Fig. 26 is a front sectional view of a twelfth embodiment of the invention.

Fig. 27 is a side sectional view of a twelfth embodiment of the invention.

Fig. 28 is a schematic diagram of a change-over switch device and a control circuit according to a twelfth embodiment of the invention.

Fig. 29 is a schematic diagram of a change-over switch device and a control circuit according to a twelfth embodiment of the invention.

Fig. 30 is a schematic diagram of a change-over switch device and a control circuit according to a twelfth embodiment of the invention.

Fig. 31 is a schematic diagram of a change-over switch device and a control circuit according to a thirteenth embodiment of the invention.

Fig. 32 is a schematic diagram of a change-over switch device and a control circuit according to a fourteenth embodiment of the invention.

Fig. 33 is a front plan view of a fifteenth embodiment of the invention.

Fig. 34 is a reverse plan view of a fifteenth embodiment of the invention.

Fig. 35 is a front sectional view of a sixteenth embodiment of the invention.

Fig. 36 is a front plan view of a seventeenth embodiment of the invention.

Fig. 37 is a reverse plan view of a seventeenth embodiment of the invention.

Fig. 38 is a top view of an eighteenth embodiment of the invention.

Fig. 39 is a side sectional view of an eighteenth embodiment of the invention.

Fig. 39A is a front sectional view of an eighteenth embodiment of the invention.

Fig. 40 is a perspective combination view of a nineteenth embodiment of the present invention.

Fig. 41 is a side sectional view of a nineteenth embodiment of the invention.

Fig. 42 is a side sectional view of a twentieth embodiment of the invention.

Fig. 43 is a side sectional view of a twenty-first embodiment of the invention.

Fig. 44 is a front sectional view of a twenty-first embodiment of the invention.

Fig. 45 is a side sectional view of a twenty-second embodiment of the invention.

Fig. 46 is a front view of a twenty-second embodiment of the invention.

Fig. 47 is a side sectional view of a twenty-third embodiment of the invention.

Fig. 48 is a perspective view of a connecting plate of a twenty-third embodiment of the invention.

Fig. 49 is a perspective combination view of a twenty-fourth embodiment of the invention.

Fig. 50 is a perspective combination view of a twenty-fifth embodiment of the invention.

Fig. 51 is a perspective combination view of a twenty-sixth embodiment of the invention.

Fig. 52 is a side sectional view of a twenty-seventh embodiment of the invention.

Fig. 53 is a side sectional view of a twenty-eighth embodiment of the invention.

Fig. 54 is a side cross-sectional view of a twenty-ninth embodiment of the invention.

Fig. 55 is a side sectional view of a thirtieth embodiment of the present invention.

Fig. 56 is a perspective combination view of the thirty-first embodiment of the invention.

Fig. 57 is a front sectional view of a thirty-first embodiment of the invention.

Fig. 58 is a perspective combination view of a thirty-second embodiment of the invention.

Fig. 59 is a perspective combination view of a thirty-third embodiment of the invention.

Fig. 60 is a top view of a thirty-fourth embodiment of the present invention.

Fig. 61 is a side sectional view of a thirty-fourth embodiment of the invention.

Fig. 62 is a front sectional view of a thirty-fourth embodiment of the invention.

Fig. 63 is a perspective view of a thirty-fourth embodiment of the present invention.

Fig. 63A is another perspective view of a thirty-fourth embodiment of the present invention.

Fig. 64 is a perspective view of a thirty-fifth embodiment of the invention.

Fig. 65 is a side sectional view of a thirty-sixth embodiment of the invention.

Fig. 66 is a side sectional view of a thirty-seventh embodiment of the invention.

Fig. 67 is a side sectional view of a thirty-eighth embodiment of the invention.

Fig. 68 is a front sectional view of a thirty-eighth embodiment of the invention.

Fig. 69 is a top view of a thirty-ninth embodiment of the invention.

Fig. 70 is a side sectional view of a thirty-ninth embodiment of the invention.

Fig. 71 is a front sectional view of a thirty-ninth embodiment of the invention.

Fig. 72 is a top view of a fortieth embodiment of the present invention.

Fig. 73 is a side sectional view of a fortieth embodiment of the present invention.

Fig. 74 is a front sectional view of a fortieth embodiment of the present invention.

Fig. 75 is a top view of a forty-first embodiment of the invention.

Fig. 76 is a side sectional view of a forty-first embodiment of the invention.

Fig. 77 is a front view of a forty-first embodiment of the invention.

Fig. 78 is a side sectional view of a forty-second embodiment of the present invention.

Fig. 79 is a side sectional view of a forty-third embodiment of the present invention.

Fig. 80 is a side sectional view of a forty-fourth embodiment of the present invention.

Fig. 81 is a top view of a forty-fifth embodiment of the present invention.

Fig. 82 is a side sectional view of a forty-fifth embodiment of the present invention.

Fig. 83 is a front sectional view of a forty-fifth embodiment of the present invention.

Fig. 84 is a perspective view of a forty-sixth embodiment of the present invention (with the outer cover removed).

Fig. 85 is a perspective view of a forty-sixth embodiment of the present invention.

Fig. 86 is a side sectional view of a forty-seventh embodiment of the present invention.

Fig. 87 is a perspective view of a forty-eighth embodiment of the present invention.

Fig. 88 is a side sectional view of a forty-eighth embodiment of the present invention.

Fig. 89 is a side sectional view of a forty-ninth embodiment of the present invention.

Fig. 90 is a rear sectional view of a forty-ninth embodiment of the present invention.

Fig. 91 is a rear view of a fifty-fifth embodiment of the invention.

Fig. 92 is a rear view of a fifty-first embodiment of the invention.

Fig. 93 is a rear view of a fifty-second embodiment of the invention.

FIG. 94 is a side sectional view of a fifty-third embodiment of the invention.

Fig. 95 is a rear view of a fifty-third embodiment of the invention.

FIG. 96 is a side sectional view of a fifty-fourth embodiment of the invention.

Fig. 97 is a rear view of a fifty-fourth embodiment of the invention.

Fig. 98 is a side sectional view of a fifteenth embodiment of the present invention.

Fig. 99 is a rear view of a fifteenth embodiment of the invention.

Fig. 100 is a rear view of a fifty-sixth embodiment of the invention.

Fig. 101 is a rear view of a fifty-seventh embodiment of the invention.

Fig. 102 is a rear view of a fifty-eighth embodiment of the invention.

Fig. 103 is a rear view of a fifty-ninth embodiment of the invention.

Fig. 104 is a side sectional view of a sixteenth embodiment of the invention.

Fig. 105 is a front cross-sectional view of a sixteenth embodiment of the invention.

Fig. 106 is a perspective combination view of a sixteenth embodiment of the present invention.

Fig. 107 is a bottom perspective view of a sixteenth embodiment of the invention.

Fig. 108 is a perspective combination view of a sixty-first embodiment of the invention.

Fig. 109 is a perspective combination view of a sixty-second embodiment of the invention.

Fig. 110 is an exploded perspective view of a sixty-third embodiment of the invention.

Fig. 111 is a front exploded perspective view of a sixty-fourth embodiment of the present invention.

Fig. 112 is a reverse exploded perspective view of a sixty-fourth embodiment of the invention.

FIG. 113 is a front exploded perspective view of a sixty-fourth embodiment of the present invention after being encapsulated.

FIG. 114 is a front perspective assembly view of a sixty-fourth embodiment of the present invention after being encapsulated.

FIG. 115 is an exploded front view of a sixteenth embodiment of the present invention after being molded.

FIG. 116 is a front perspective assembly view of a sixteenth embodiment of the present invention after being encapsulated.

Detailed Description

Referring to fig. 5, fig. 6, and fig. 7, a USB2.0 flash drive according to a first embodiment of the present invention is a USB2.0 flash drive, which is electrically connected to an electrical female connector on both sides, and includes an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit 4, and a limiting structure 50, wherein:

the outer covering body 30 is made of plastic material and has a lower base 31 and an upper cover 32, wherein the lower base 31 has a chamber 33.

The circuit board 40 is disposed in the accommodating chamber 33 of the outer covering body 30, the rear section of the circuit board 40 is covered by the outer covering body 30, the front section of the circuit board 40 is exposed outside the outer covering body 30, that is, the connecting plate 55, therefore, the connecting plate 55 is directly contacted and fixed to the outer covering body 30, two plate surfaces (upper and lower plate surfaces) of the connecting plate 55 are respectively provided with a row of first contacts 41, the two rows of first contacts 41 are circuit contacts formed on the circuit board 40, the two rows of first contacts 41 are 4, and can respectively transmit circuits such as 1, VCC (power), 2, USB D- (signal), 3, USB D + (signal) and 4, GND (ground), the two rows of first contacts 41 are the same connecting interface and the circuit numbers are arranged in opposite directions, as shown in fig. 7, the circuit numbers of the row of first contacts 41 on the upper plate surface of the connecting plate 55 are a1, a2, a3 and a4 from right to left, and the circuit number of the row of first contacts 41 on the lower plate surface of the connecting plate 55 is 4 from right to left, b3, b2, b 1. In addition, the connecting plate 55 has a front and back symmetrical shape, so that the front and back sides can be butt-jointed and positioned on an electrical connection female socket.

The outer covering body 30 and the connecting plate 55 are combined to form a butt structure, and the outer covering body 30 and the connecting plate 55 are combined to form a butt structure in the second to sixteenth embodiments, that is, the connecting plate 55 is a part of the butt structure.

Referring to fig. 8, the two rows of first contacts 41 are electrically connected in series with the same circuit number to form a group, that is, a1 and b1 are electrically connected, a2 and b2 are electrically connected, a3 and b3 are electrically connected, and a4 and b4 are electrically connected, wherein a1 and b1 are power contacts and can never cause short circuit, so that a1 and b1 are electrically connected with each other through a schottky diode 46, and the function of the schottky diode 46 is mainly to prevent the reverse current, thereby achieving the effect of preventing short circuit.

The use of Schottky diode to prevent short circuit is one way of an electronic anti-reverse-current or anti-short circuit safety protection means, but there are also many ways to install anti-reverse-current electronic device or anti-short circuit electronic device or circuit safety protection device or safety circuit installation means, so as to achieve the circuit safety protection effect.

The electronic unit 4 is a storage unit electrically connected to the circuit board 40 and covered by the cover 30, and includes a memory 43 and a control circuit 45, the memory 43 can be but not limited to a flash memory (flash memory) or a Read Only Memory (ROM), the capacity of the memory 43 is not limited, the control circuit 45 controls the operation of the memory 43 of the electronic unit, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

The position-limiting structure 50 and the outer covering body 30 are integrally formed, four front and rear protruding ribs are respectively formed on the two plate surfaces of the connecting plate 55 of the position-limiting structure 50, the position-limiting structure 50 protrudes out of the first contacts 41 of the two plate surfaces of the connecting plate 55 to protect the two rows of first contacts 41 and prevent short circuit, and two through holes 42 are formed on the connecting plate 55 to match with the two protruding ribs in the middle of the position-limiting structure 50.

Referring to fig. 9, with the above structure, when the flash drive 3 of the present embodiment is inserted into an electrical connection female socket 20, since the shape of the connection board is capable of being positioned on the electrical connection female socket 20 in a front-back double-sided butt joint manner, and two board surfaces of the connection board are provided with the same connection interface and the circuit numbers of the two rows of first contacts 41 are arranged in opposite directions, a user can position and electrically connect any board surface inserted into the connection slot 21 of the electrical connection female socket 20, as shown in the figure, when one row of first contacts a1, a2, a3, a4 are electrically connected with one row of contacts 23 of the electrical connection female socket 20, the elastic sheet 24 of the electrical connection female socket 20 is abutted against the position-limiting structure 50 of the other board surface without touching the first contacts b1, b4 to cause short circuit. Furthermore, since the first contact b1 is electrically connected to the Schottky diode 46, the current will not flow back to the first contact b1, thereby further ensuring that the power contact, i.e., the first contact b1, will not be short-circuited.

In addition, the embodiment further comprises a control means combined with the USB2.0 USB drive to perform a data storage and control procedure on the storage unit.

The cover 30 of the above embodiment is a plastic housing, the electronic unit 4 is soldered to the circuit Board, the cover 30 covers the circuit Board 40 and the electronic unit 4, however, in order to make the entire flash disk lighter and thinner, the memory and the control circuit of the electronic unit 4 can be packaged On the circuit Board 40 by a Chip On Board (COB) method, so that the electronic unit 4 is also electrically connected to the circuit Board and is covered by a cover, and the COB method still belongs to the scope of the present invention.

Referring to fig. 10 and 11, a second embodiment of the present invention is substantially the same as the first embodiment, and the difference is that the limiting structure 50 of the present embodiment is a metal layer plated on two sides of two plate surfaces of the connecting plate 55 by electroplating.

Please refer to fig. 12 and fig. 13, which are substantially the same as the second embodiment, but the difference is that the connection plate 55 of the present embodiment has no limiting structure at all on both plate surfaces, and in order to ensure no short circuit, a row of the first contacts a1, a2, a3, a4 and a row of the first contacts b1, b2, b3, b4 are electrically connected to a schottky diode 46 respectively, so as to prevent the reverse current and achieve the short circuit prevention effect.

Referring to fig. 14 and 15, a fourth embodiment of the present invention is substantially the same as the first embodiment, and the fourth embodiment is also provided with an outer covering body 30, a circuit board 40, a connecting board 55, an electronic unit and a position limiting structure 50, the difference is that the connecting board 55 is integrally formed with the outer covering body 30, and is provided with a row of four first terminals 60 and a detecting structure 80, each first terminal 60 is provided with first contacts 62, 63 respectively flatly attached to two board surfaces of the connecting board 55, the detecting structure 80 is fixed to the outer covering body 30 and is provided with two movable terminals 81, 82 and a fixed terminal 83, the two movable terminals 81, 82 are located above and below the fixed terminal 83 and are provided with a protruding point 85 respectively protruding from the upper and lower board surfaces of the connecting board 55, when the front surface of the portable disc of the present embodiment is inserted into the electrical connection female seat, if the row of first contacts 62 is electrically connected to the electrical connection female seat, the movable terminal 81 is pressed and conducted with the fixed terminal 83 to complete detection, so that the control circuit can know that the row of first contacts 62 is electrically connected and adopts corresponding circuit signal transmission; on the contrary, when the reverse side of the flash disk is inserted into the electrical connection female socket for electrical connection, and the row of first contacts 63 is electrically connected to the electrical connection female socket, the movable terminal 82 is pressed to be conducted with the fixed terminal 83 to complete detection, so that the control circuit can know that the row of first contacts 63 is electrically connected to perform signal transmission with the reverse circuit.

Please refer to fig. 16, which is a fifth embodiment of the present invention, which is a USB 3.0-sized flash drive, and is substantially the same as the first embodiment, the present embodiment is also provided with an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit and a position-limiting structure 50, and the difference is that the present embodiment is additionally provided with two rows of five second terminals 70, the second terminals 70 are provided with a flexible extending portion 71, one end of the extending portion 71 extends to the connecting board 55 and is provided with a protruding second contact 72, the other end of the extending portion is provided with a pin soldered to the circuit board 40 and electrically connected to the electronic unit, the two rows of second contacts 72 respectively protrude from two board surfaces of the connecting board 55 and are located behind the two rows of first contacts 41, and the second contact 72 can be flexible up and down along with the extending portion 71.

Referring to fig. 17 and 18, a sixth embodiment of the present invention is a USB 3.0-sized flash drive, which is electrically connected to an electrical connection female socket on both sides, and includes an outer cover 30, a circuit board 40, a connection board 55, an electronic unit 4, two rows of first terminals 60 and two rows of second terminals 70, wherein:

the outer covering body 30 is made of plastic material and has a lower base 31 and an upper cover 32, wherein the lower base 31 has a chamber 33.

The circuit board 40 is disposed in the accommodating chamber 33 of the outer covering body 30, and the circuit board 40 is covered by the outer covering body 30.

The connecting plate 55 is integrally formed at the front end of the outer covering body 30, the connecting plate 55 is shaped to be positioned on the female electrical connection seat in a front-back double-sided butt joint manner, four concave surfaces 57 are formed on the upper and lower plate surfaces of the connecting plate 55, and a row of 5 through holes 56 is formed behind the concave surfaces 57.

The electronic unit 4 is a storage unit electrically connected to the circuit board 40 and covered by the outer cover 30, and includes a memory 43 and a control circuit 45, the capacity of the memory 43 is not limited, and the control circuit 45 controls the operation of the memory 43 of the electronic unit.

The number of the first terminals 60 in the two rows is 4, the first terminals 60 are provided with non-elastic extending portions 61, one ends of the extending portions 61 extend to the connecting plate 55 and are provided with first contact points 62 flatly attached to the concave surfaces 57, the first contact points 62 are flatly attached and are the highest surfaces of the two plate surfaces of the connecting plate 55, the two sides of the first contact points 62 in the two rows are longer, the first contact points 62 in the two rows are flatly attached to only the two front section plate surfaces of the upper and lower plate surfaces of the connecting plate 55, the other ends of the extending portions 61 are provided with pins which are welded to the circuit board 40 and electrically connected with the electronic unit 4, and the first contact points 62 in the two rows are flatly attached to the concave surfaces 57 of the two plate surfaces of the connecting plate 55.

The number of the second row of terminals 70 is 5, the second terminal 70 has an extending portion 71 capable of springing, one end of the extending portion extends to the connecting plate 55 and has a protruding second contact 72, the other end of the extending portion has a pin soldered to the circuit board 40 and electrically connected to the electronic unit 4, the second row of second contacts 72 respectively protrude from two plate surfaces of the connecting plate 55 and are located behind the second row of first contacts 62, and the second contact 72 can be sprung up and down along with the extending portion 71.

The USB3.0 connection interface according to the USB Association specification is the front row of 4 first contacts, which are the circuits of 1.VBUS (power source), 2.USB D- (signal), 3.USB D + (signal) and 4.GND (ground), and the rear row of 5 second contacts, which are the circuits of 5.RX- (signal), 6.RX + (signal), 7.GND (ground), 8.TX- (signal), 9.TX + (signal), and the like, and is the supplement of the USB Association specification.

In the present embodiment, the two rows of first contacts 62 and the two rows of second contacts 72 are all the same connection interfaces and the serial numbers of the circuits are arranged in opposite directions, wherein a7 and b7 are circuits with the same signal and are aligned up and down, although the present embodiment is not provided with a limiting structure, one way of an electronic anti-reverse-flow or anti-short circuit safety protection means can be provided, but there are also various ways such as providing a schottky diode or an anti-reverse-flow electronic element or an anti-short circuit electronic element or a circuit safety protection element or a safety circuit arrangement means, so as to achieve the effect of circuit safety protection.

Please refer to fig. 19, which is a seventh embodiment of the present invention, and is substantially the same as the sixth embodiment, and the difference is that the present embodiment is provided with a limiting structure 50 protruding from two plate surfaces of the connecting plate 55.

Please refer to fig. 20 and fig. 21, which are the eighth embodiment of the present invention, which is substantially the same as the fifth embodiment, and the difference is that the electronic unit of the present embodiment further has a memory 44, the connection interface of one board of the connection board 55 is electrically connected to the memory 43, which is the same interface as the fifth embodiment, and is all the connection interface of USB3.0, and the other board of the connection board 55 is provided with a row of 9 first contacts 41, which is the connection interface of miCard, and the row of 9 first contacts 41 is electrically connected to the memory 44.

Please refer to fig. 22, which is a ninth embodiment of the present invention, which is a USB 3.0-sized portable disc, and is substantially the same as the seventh embodiment, the present embodiment is also provided with an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit 4, two rows of first terminals 60, two rows of second terminals 70, and a limiting structure, the difference is that the present embodiment is additionally provided with a detecting structure, the detecting structure includes two movable terminals and two contacts, the two movable terminals are respectively one terminal of the two rows of second terminals 70, the two contacts are respectively contacts 417, 418 disposed on two board surfaces of the circuit board 40, the contacts 417, 418 are electrically connected to the control circuit 45, the control circuit 45 of the electronic unit 4 includes a safety circuit setting means, in use, when the front surface of the portable disc is inserted into the electrically connecting female socket, when the row of first terminals 60 and the first row of terminals 70 on the board surface of the connecting board 55 are electrically connected to the electrically connected female socket, the detection is completed by the conduction of one of the second terminals 70 and the contact 417, so that the control circuit 45 can know that the row of the first terminals 60 and the row of the second terminals 70 on the upper plate surface of the connection plate 55 are electrically connected to the female electrical connection socket, and can perform proper circuit safety protection to prevent the row of the first terminals 60 and the row of the second terminals 70 on the lower plate surface of the connection plate 55 from causing short circuit; on the contrary, when the electrical connection female socket is inserted into the reverse side of the flash drive, and when the row of first terminals 60 and the row of second terminals 70 on the lower board surface of the connection board 55 are electrically connected to the electrical connection female socket, one of the second terminals 70 is electrically connected to the contact 418 to complete the detection, so that the control circuit 45 can know that the row of first terminals 60 and the row of second terminals 70 on the lower board surface of the connection board 55 are electrically connected to the electrical connection female socket, and can perform proper circuit safety protection to prevent the row of first terminals 60 and the row of second terminals 70 on the upper board surface of the connection board 55 from causing short circuit.

Please refer to fig. 23, which is a tenth embodiment of the present invention, which is a USB 3.0-standard flash drive, and is substantially the same as the ninth embodiment, but the difference is that only one row of first terminals 60 is provided, and each first terminal 60 is provided with first contacts 62, 63 respectively flatly attached to two board surfaces of the connecting board 55.

Please refer to fig. 24, which is an eleventh embodiment of the present invention, which is a USB 3.0-standard flash drive, and is substantially the same as the ninth embodiment, except that the electronic unit 4 of the present embodiment further includes another memory 44 besides a memory 43 and a control circuit 45, the first contacts of the row of first terminals 60 and the second contacts of the row of second terminals 70 on one surface of the connection board 55 are electrically connected to the memory 43, and the first contacts of the row of first terminals 60 and the second contacts of the row of second terminals 70 on the other surface of the connection board are electrically connected to the memory 44.

Please refer to fig. 25, fig. 26 and fig. 27, which are a USB2.0 flash drive according to a twelfth embodiment of the present invention, which is substantially the same as the first and second embodiments, and the difference is that the electronic unit 4 of the present embodiment further includes another memory 44(B) in addition to a memory 43(a) and a control circuit 45, and a switch device 90 is further provided, the switch device 90 is provided with a sliding button 91 and a sliding slot 92 on the outer cover 30, the sliding button 91 can slide in the sliding slot 92 to switch between A, B and C, as shown in fig. 28, two rows of conductive portions 93 are provided on the inner surface of the sliding button 91, the two rows of conductive portions 93 are four, the control circuit 45 is provided with an IC control chip 47, the two rows of first contacts 41 are the same connection interface and the circuit serial numbers are arranged in opposite directions, the two same circuit serial numbers are electrically connected in series to form a group and then electrically connected to the IC control chip 47, the IC control chip 47 is electrically connected to the memory A and the memory B through four circuits 49, respectively, each circuit 49 is provided with a pair of separated contacts 48, the four 4 pairs of contacts 48 electrically connected to the circuit of the memory A are arranged in a row, the four 4 pairs of contacts 48 electrically connected to the circuit of the memory B are also arranged in a row, and the two rows of conducting portions 93 of the sliding button 91 can singly conduct the four 4 pairs of contacts 48 electrically connected to the circuit of the memory A or singly conduct the four 4 pairs of contacts 48 electrically connected to the circuit of the memory B or simultaneously conduct the four 4 pairs of contacts 48 electrically connected to the circuit of the memory A and the four 4 pairs of contacts 48 electrically connected to the circuit of the memory B.

Referring to fig. 28, when the sliding button 91 is switched to the position a, the row of conductive parts 93 of the sliding button 91 is connected to the 4 pairs of contacts 48 of the four circuits electrically connected to the memory a, so that the memory a can be electrically connected on both sides, the control circuit 45 operates only on the memory a, and the memory B is in the open circuit state and can be protected from reading and writing; referring to fig. 29, when the sliding button 91 is switched to the position B, the row of conductive parts 93 of the sliding button 91 is connected to the 4 pairs of contacts 48 of the four circuits electrically connected to the memory B, so that the memory B can be electrically connected on both sides, the control circuit 45 operates only on the memory B, and the memory a is in the open circuit state to prevent reading and writing; referring to fig. 30, when the sliding button 91 is switched to the position C, the two rows of conductive portions 93 of the sliding button 91 are simultaneously connected to the 4 pairs of contacts 48 of the four circuits electrically connected to the memory a and the 4 pairs of contacts 48 of the four circuits electrically connected to the memory B, and at this time, the memories a and B are electrically connected on both sides, and the control circuit 45 operates on the memories a and B simultaneously.

Please refer to fig. 31, which is a USB 2.0-standard flash drive according to a thirteenth embodiment of the present invention, and is substantially the same as the twelfth embodiment, the difference is that the control circuit 45 of this embodiment has two IC control chips 47, one IC control chip 47 is electrically connected to the memory a and a row of first contacts a1, a2, a3, a4, and the other IC control chip 47 is electrically connected to the memory B and a row of first contacts B1, B2, B3, B4.

Please refer to fig. 32, which shows a fourteenth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the twelfth embodiment, except that the control circuit 45 of the present embodiment has two IC control chips 47, one IC control chip 47 is electrically connected to the memory a, and the other IC control chip 47 is electrically connected to the memory B.

Referring to fig. 33 and 34, a fifteenth embodiment of the present invention is a Secure Digital Card (SDC), which can electrically connect an electrical connection female socket on both sides, and includes an outer cover 30, a circuit board 40, a connection board 55, a limiting structure 50 and an electronic unit 4, wherein:

the outer covering body 30 is made of plastic material.

The connecting plate 55 is integrally formed at the front end of the outer covering body 30, and the shape of the connecting plate 55 is symmetrical, so that the connecting plate can be positioned on the female electrical connection seat in a front-back double-sided butt joint manner.

The circuit board 40 is wrapped by the outer covering body 30, the front section of the circuit board 40 extends to the connecting plate 55, two plate surfaces of the front section of the circuit board 40 are respectively provided with a row of first contacts 41, the two rows of first contacts 41 are exposed out of the two plate surfaces of the connecting plate 55, the two rows of first contacts 41 are all 9 same connecting interfaces, the circuit serial numbers are arranged in reverse directions, the two rows of first contacts 41 are provided with a plurality of longer flat-contact points and a plurality of shorter flat-contact points, in addition, the connecting plate 55 is in a front-back symmetrical shape, so that the front side and the back side can be butted and positioned on an electric connecting female seat.

The electronic unit 4 is a storage unit electrically connected to the circuit board 40 and covered by the outer cover 30, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

The position limiting structure 50 is also integrally formed with the outer covering body 30 and the connecting plate 55, and the position limiting structure 50 is disposed on two plate surfaces of the connecting plate 55 and is protruded from the two rows of the first contacts 41, so as to prevent the two rows of the first contacts 41 from being scratched and short-circuited.

By the above structure, the front and back sides of the SDC can be inserted into a connecting groove of an electric connecting female seat to be positioned and electrically connected.

In addition, other Memory cards such as miCard, micro SDC, mini SDC, Memory Stick Card (MSC), Memory Stick small Card (MS-Dou C) … can be implemented as the fifteenth embodiment.

Please refer to fig. 35, which is a sixteenth embodiment of the present invention, which is substantially the same as the seventh embodiment, and the difference is that the two rows of the first contacts 62 on the two plate surfaces of the connecting plate 55 of the present embodiment are different connection interfaces, and the position-limiting structures 50 on the two plate surfaces of the connecting plate 55 are also staggered up and down.

Please refer to fig. 36 and 37, which are schematic views illustrating a seventeenth embodiment of the present invention, which is an IC chip card (smart card) capable of being electrically connected to an electrical connection socket on both sides, and includes an outer cover, a connection board and an electronic unit 4, wherein:

the outer covering body and the connecting plate are integrally formed into a plate-shaped butt joint structure 58 made of plastic materials, the front section of the butt joint structure 58 is a connecting plate 55, the shape of the butt joint structure can be positioned on an electric connection female seat in a front-back double-side butt joint mode, two plate surfaces of the connecting plate 55 are respectively and flatly attached with a row of first connecting points 62 and a row of second connecting points 72, the first connecting points 62 and the second connecting points are arranged on the same connecting interface, circuit serial numbers are arranged in a reverse direction, and the second connecting points 72 are positioned behind the first connecting points 62.

The electronic unit 4 is an IC chip that is disposed in the docking structure 58, and the two rows of first contacts 62 and the two rows of second contacts 72 are electrically connected to the electronic unit 4.

By the above structure, the IC chip card can be positioned and electrically connected by inserting the front and back surfaces into the connecting groove of the electrical connection female socket.

Please refer to fig. 38, 39 and 39A, which are eighteenth embodiment of the present invention, which is an electrical connection wire of USB2.0 standard, capable of electrically connecting an electrical female socket on both sides, and including an outer covering body 30, an electronic unit 4, a connection board 55, two rows of first terminals 60 and an electronic unit 4, wherein:

the outer covering body 30 is made of plastic material.

The connecting plate 55 is integrally formed at the front end of the outer cover 30.

The electronic unit 4 is a set of 4 wires 419, which are covered by the outer cover 30.

The two rows of first terminals 60 are fixed to the outer covering body 30, the two rows of first terminals 60 are 4, and can respectively transmit signals such as VCC, USB D-, USB D +, GND, etc., the first terminal 60 is provided with an inelastic extension portion, one end of the extension portion extends to the connection board 55 and is provided with a first contact 62 flatly attached to one board surface of the connection board 55, the other end of the extension portion is electrically connected to an electric wire of the electronic unit 4, the two rows of first contacts 62 are flatly attached to two board surfaces of the connection board 55, the two rows of first contacts 62 are the same connection interface and have circuit numbers arranged in opposite directions, the two rows of first contacts 41 have the same circuit number, i.e., the same signal circuit, if the two rows of first contacts 41 have 1 in the upper and lower rows as power supply circuits, if the upper and lower rows 4 as ground circuits, as shown in fig. 39A, the front circuit number is 1 from right to left, 2, 3,4, and the circuit number of the reverse side is 4, 3, 2, 1 from right to left, and the same signal circuit of the first contact 62 in the second row is electrically connected to the same wire of the electronic unit 4.

With the above structure, the front and back sides of the electrical connection wire are inserted into the connection slot of the electrical connection female socket to be positioned and electrically connected, and the other end of the electrical connection wire can be electrically connected to various electronic devices such as a keyboard, a mouse, an LED lamp, a fan, an adapter …, etc.

Please refer to fig. 40 and fig. 41, which are a nineteenth embodiment of the present invention, which is a USB 2.0-standard wireless transceiver device, wherein the front and back sides of the wireless transceiver device can be electrically connected to an electrical connection female socket, and the wireless transceiver device includes an outer covering body 30, a circuit board 40, an electronic unit 4, a connection board 55, and a limiting structure 50, wherein:

the outer covering body 30 is made of plastic material.

The connecting plate 55 is integrally formed at the front end of the outer cover 30.

The rear section of the circuit board 40 is covered by the outer covering body 30, the front section of the circuit board 40 is exposed outside the outer covering body 30, that is, the connecting plate 55, two rows of first contacts 41 are arranged on two plate surfaces of the connecting plate 55, the two rows of first contacts 41 are circuit contacts formed on the circuit board 40, the two rows of first contacts 41 are all 4 same connecting interfaces, and the circuit serial numbers are arranged in reverse.

The electronic unit 4 is a wireless transceiver module electrically connected to the circuit board 40 and covered by the covering body 30, which can wirelessly transmit and receive electronic signals, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

The position-limiting structure 50 is a metal layer plated on two sides of two surfaces of the connecting board 55 by electroplating, and the position-limiting structure 50 protects the two rows of first contacts 41 on the connecting board 55 from being scratched.

By the above structure, the front and back sides of the wireless transceiver can be inserted into a connecting groove of an electric connecting female seat to be positioned and electrically connected.

The wireless transceiver of the present embodiment may be an electronic device such as a wireless network card, a bluetooth receiver, a 2.4G wireless transmission receiver (e.g., transceiver of a wireless mouse) …, etc.

Please refer to fig. 42, which is a twentieth embodiment of the present invention, which is an adapting electrical connector of USB3.0 specification, capable of electrically connecting an electrical connection female socket on both sides, and includes an outer covering body 30, an electronic unit 4, a connection board 55, a circuit board 40, two rows of first terminals 60 and two rows of second terminals 60, wherein:

the outer covering body 30 is made of plastic material.

The connecting plate 55 is a plastic plate, and is fixed to the front end of the outer covering body 30, and a fixing seat 59 is integrally formed at the rear end of the connecting plate and fixed in the outer covering body 30, and the connecting plate 55 is exposed out of the outer covering body 30.

The circuit board 40 is disposed in the outer cover 30.

The electronic unit 4 is a USB3.0 standard male connector and a switching circuit, and is partially covered by the outer covering body 30, which is electrically connected to the circuit board 40.

The two rows of first terminals 60 are fixed to the outer covering body 30, the number of the two rows of first terminals 60 is 4, the first terminals 60 are provided with an extension portion which is not elastic, one end of the extension portion extends to the connecting plate 55 and is provided with a first contact 62 flatly attached to one plate surface of the connecting plate 55, the other end of the extension portion is welded with the circuit board 40 and is electrically connected with the electronic unit 4, and the two rows of first contacts 62 flatly attached to two plate surfaces of the connecting plate 55 respectively.

The number of the second row of terminals 70 is 5, the second terminal 70 has an elastic extension part, one end of the extension part extends to the connection board 55 and has a protruding second contact 72, the other end of the extension part is soldered to the circuit board 40 and electrically connected to the electronic unit 4, the second row of second contacts 72 respectively protrude from two board surfaces of the connection board 55 and are located behind the second row of first contacts 62, and the second contact 72 can be elastically moved up and down along with the extension part 71.

The two rows of first contacts 62 and the two rows of second contacts 72 of this embodiment are all the same connecting interface and the serial numbers of the circuits are arranged in reverse.

With the above structure, the adapter connector can be positioned and electrically connected by inserting the connecting plate 55 into the connecting slot of an electrical connection female socket on both sides.

Referring to fig. 43 and fig. 44, a twenty-first embodiment of the present invention is an electrical adapter connector with dual connection interfaces, which includes an outer housing 30, a circuit board 40, a connection board 55, an electronic unit 4 and a position-limiting structure 50, wherein:

the outer covering body 30 is made of plastic material.

The rear section of the circuit board 40 is fixed in the outer cover 30, the front section of the circuit board 40 is exposed out of the outer cover 30, that is, the connecting plate 55, two rows of first contacts 41 are disposed on two plate surfaces of the connecting plate 55, the two rows of first contacts 41 are circuit contacts formed on the circuit board 40, and the two rows of first contacts 41 are different connection interfaces. In addition, the connecting plate 55 has a front and back symmetrical shape, so that the front and back sides can be butt-jointed and positioned on an electrical connection female socket.

The electronic unit 4 is an electrical female connector with USB2.0 standard and a switching circuit, which is disposed in the outer cover 30 and electrically connected to the circuit board 40, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

With the above structure, the adapter connector is electrically connected by inserting the connection slots of the female electrical connector with different connection interfaces into the front and back surfaces of the connection board 55.

Please refer to fig. 45 and 46, which are a twenty-second embodiment of the present invention, which is a USB2.0 adapter connector, and is substantially the same as the twenty-first embodiment, the difference is that the two rows of first contacts 41 of this embodiment are all 4 identical connection interfaces and the serial numbers of the circuits are arranged in opposite directions, the electronic unit 4 is an electrical connection female socket and an adapter circuit with a double connection interface, as shown in fig. 46, two plate surfaces of the tongue piece 413 of the electronic unit 4 are respectively provided with a row of first contacts 411, the two rows of first contacts 411 are different connection interfaces, the electronic unit 4 is disposed in the outer cover 30 and electrically connected to the circuit board 40, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

Referring to fig. 47 and 48, a twenty-third embodiment of the invention, which is an adapter connector with USB3.0 standard, it is substantially the same as the twentieth embodiment, except that the electronic unit 4 of the present embodiment is an electrical connection male and a switching circuit which are electrically connected on both sides, the electronic unit 4 has a row of first contacts 411 and a row of second contacts 412 on both the top and bottom surfaces of the connecting slot 410, the row of first contacts 411 and the row of second contacts 412 on the top surface and the row of first contacts 411 and the row of second contacts 412 on the bottom surface are the same connecting interface and the circuit numbers are arranged in reverse direction, the two connection interfaces of the electrical connection structure are electrically connected to the adapter circuit, the front end of the connection slot 410 is an insertion opening, the rear sections of the top plate surface and the bottom plate surface are thicker than the front section, and the second contact 412 is higher than the first contact 411; in addition, the upper and lower plate surfaces of the connecting plate 55 are provided with protruding limiting structures 50.

The shape of the butt-joint structure of the electrical connection structure of the electronic unit 4 can be butt-jointed and positioned on an electrical connection female seat from both sides, the structure of the electrical connection female seat is substantially the same as the electrical connection female seat shown in fig. 45, at least one row of contacts (411) is respectively arranged on the upper and lower plate surfaces of the tongue piece of the electrical connection female seat, and at least one row of contacts on the upper and lower plate surfaces of the tongue piece is electrically connected with the two connection interfaces of the electrical connection structure of the electronic unit 4.

In addition, the connection board 55 of the right electrical connection structure in FIG. 47 can be butt-jointed and positioned in both directions to the connection slot 410 of an electrical connection structure similar to the left electrical connection structure, and the two rows of contacts on the top and bottom of the connection slot 410 are electrically connected to the two rows of contacts on the upper and lower plate surfaces of the connection board, respectively.

Please refer to fig. 49, which is a twenty-fourth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the first embodiment, the difference is that the connection board 55 and the position-limiting structure 50 of the present embodiment are integrally formed by plastic, each of the upper and lower board surfaces of the connection board 55 is flatly provided with a row of 4 first contacts 62, the two rows of first contacts 62 are formed on the two rows of first terminals 60, the two rows of first contacts 62 are the same connection interface and the circuit numbers are arranged in opposite directions, the outer cover 30 is a metal shell, the outer cover 30 covers the periphery of the connection board 55 to expose only the upper and lower board surfaces, the outer cover 30 on both sides of the connection board 55 is provided with a positioning groove 35, the positioning groove 35 is provided with a concave bottom surface 351 and a locking surface 352 made of metal material, and when the flash drive is inserted into a female seat, the flash drive can be locked with the female seat by the locking surface 352 of the positioning groove 35.

The metal shell is integrally provided with a butt metal shell 38 and an insulator metal shell 310, the butt metal shell 38 is sleeved and covered on the front side, the left and right sides and the rear section of the periphery of the connecting plate, the insulator metal shell 310 only covers the butt structure at the rear end of the connecting plate and is sleeved and covered on the upper and lower faces and the left and right sides of the insulator at the rear end of the connecting plate, the butt metal shell 38 and the insulator metal shell 310 are both higher than the upper and lower plate faces of the connecting plate 55 and the two rows of first contacts 62, so that the rear section of the upper and lower plate faces of the connecting plate 55 is a higher high face 551 and the front section is a lower face 552, and the lower face 552 and the high face 551 are in a step difference, so that the upper and lower plate faces form connecting faces with a step difference.

Wherein the two rows of first terminals 60 can be embedded in the connecting plate 55 by plastic injection molding or can be assembled to the connecting plate 55.

Please refer to fig. 50, which shows a twenty-fifth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the twenty-fourth embodiment, except that the positioning groove 35 is slightly different.

Please refer to fig. 51, which shows a twenty-sixth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the twenty-fourth embodiment, but the difference is that the outer covering body 30 at both sides of the connection plate 55 of this embodiment is provided with a positioning elastic sheet 36, and when the flash drive is inserted into a female socket, the flash drive can be locked with the female socket by the positioning elastic sheet 36.

Please refer to fig. 52, which is a twenty-seventh embodiment of the present invention, which is a USB 2.0-standard flash drive, and includes an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit 4 and a position-limiting structure 50, and is substantially the same as the first embodiment, the difference is that the connecting board 55 and the position-limiting structure 50 are integrally formed by plastic, the circuit board 40 is thinner, a sleeve-connecting slot 52 is disposed at the rear end of the connecting board 55 for one end of the circuit board 40 to be inserted and clamped, a row of 4 first contacts 62 are flatly attached to the upper and lower board surfaces of the connecting board 55, the two rows of first contacts 62 are formed on two rows of first terminals 60, the two rows of first contacts 62 are the same connecting interface and have circuit numbers arranged in opposite directions, the two rows of first contacts 62 are all electrically connected to the circuit board 40, the electronic unit 4 is a storage unit, and is electrically connected to the circuit board 40 and is covered by the outer cover 30, it includes a memory 43 and a control circuit 45, the control circuit 45 controls the operation of the memory 43 of the electronic unit, and the two rows of first contacts 62 are electrically connected to the electronic unit 4.

With the above structure, the circuit board 40 can be made of a thinner plate, and when the thickness of the outer cover 30 is substantially the same as that of the connection plate 55, there is enough space on the circuit board 40 inside the outer cover 30 to dispose the electronic unit 4.

Please refer to fig. 53, which is a twenty-eighth embodiment of the present invention, which is a USB 2.0-standard flash drive, and comprises an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit 4 and a position-limiting structure 50, and is substantially the same as the first embodiment, the difference is that the circuit board 40 of this embodiment is thinner, the upper and lower board surfaces of the front section of the circuit board 40 are respectively stacked into an upper and lower circuit boards 422, 423, the stacked upper circuit board 422, circuit board 40 and lower circuit board 422 extend out of the front end of the outer cover 30 to form the connecting board 55, the upper and lower circuit boards 422, 423 are respectively provided with a row of 4 first contacts 41, the two rows of first contacts 41 are the same connecting interface and have circuit serial numbers arranged in opposite directions, the two rows of first contacts 41 are electrically connected to the circuit board 40 through conductive parts 420 penetrating through the connecting board 55, the conductive parts 420 are drilled and then filled with tin, the electronic unit 4 is a storage unit, which is electrically connected to the circuit board 40 and covered by the covering body 30, and includes a memory 43 and a control circuit 45, wherein the control circuit 45 controls the operation of the memory 43 of the electronic unit, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

Referring to fig. 54, a twenty-ninth embodiment of the present invention is a USB 2.0-sized flash drive, which is substantially the same as the twenty-eighth embodiment, and the difference is that a plastic board 37 and a lower circuit board 423 are stacked on the lower board of the front section of the circuit board 40, the stacked circuit board 40, plastic board 37 and lower circuit board 422 extend out of the front end of the outer cover 30 to form the connection board 55, and the conductive portion 420 is formed by drilling and then inserting a terminal for soldering.

Please refer to fig. 55, which is a thirty-first embodiment of the present invention, and is a portable disc with a dual interface, which is substantially the same as the twenty-ninth embodiment, and the difference is that the present embodiment is provided with two circuit boards 40 and an electronic unit 4, the front section of the two circuit boards 40 is overlapped with a plastic board 37 and extends out of the front end of the outer cover 30 to form the connection board 55, the upper and lower board surfaces of the connection board 55 are respectively provided with a row of first contacts 41, the two rows of first contacts 41 are different connection interfaces, the electronic unit is a storage unit and is covered by the outer cover 30, the electronic unit 4 includes a memory 43, a memory 44 and two control circuits 45, the two control circuits 45 respectively control the operations of the memories 43, 44, wherein one circuit board 40 is provided with the memory 43 and a control circuit 45, the memory 43 and the control circuit 45 are electrically connected to the first row of contacts 41 thereon, the other circuit board 40 is provided with the memory 44 and another control circuit 45, the memory 44 and another control circuit 45 are electrically connected to a row of first contacts 41 thereon.

Please refer to fig. 56 and 57, which are a thirty-first embodiment of the present invention, which is an electrical connection wire of USB2.0 standard, and is substantially the same as the eighteenth embodiment, and the difference is that two board surfaces of the connection board 55 are integrally formed with a protruding position-limiting structure 50 to prevent the first contact 62 from short-circuiting, and the first contacts 62 with circuit number 1 (VCC for transmission) of the two board surfaces of the connection board 55 are electrically connected to a schottky diode 46 respectively and then electrically connected to an electrical wire of the electrical connection wire, so that the current backflow can be prevented by the schottky diode 46 to ensure that the first contact 62 for VCC transmission is not short-circuited, except for using the schottky diode to prevent short-circuiting, other backflow-preventing electronic devices or short-circuit-preventing electronic devices or circuit safety protection devices or safety circuit arrangement means can be used to achieve the circuit safety protection effect.

The rear section of the upper and lower plate surfaces of the connecting plate 55 is a higher high surface 551, the front section of the connecting plate is a lower low surface 552, the low surface 552 and the high surface 551 are in a step difference, the rear section of any one of the upper and lower plate surfaces protrudes a height than the front section of the connecting plate, and the two are in a step difference, so that the upper and lower plate surfaces form a connecting surface with a step difference.

In the embodiment, the front side, the left and right sides, the two sides of the front upper and lower sides, and the rear section of the connecting plate 55 are sleeved with a butt metal shell 38, the butt metal shell 38 is only sleeved with the upper and lower sides and the left and right sides of the rear section of the connecting plate to form an annular wrapping connection, only the middle parts of the two front section plate surfaces of the upper and lower plate surfaces and the two rows of first contacts 62 are exposed, the height of the butt metal shell 38 is higher than the height of the two rows of first contacts 62, two sides of the butt metal shell 38 are respectively integrally provided with a positioning groove 35, the positioning groove 35 is provided with a concave bottom surface 351 and a clamping surface 352 made of metal, and when the electrical connection wire is inserted into a female socket, the clamping surface 352 of the positioning groove 35 can be clamped with the female socket.

Please refer to fig. 58, which is a thirty-second embodiment of the present invention, which is an electrical connection wire of USB2.0 standard, and is substantially the same as the thirty-first embodiment, but the difference is that a metal reinforcing plate 59 is further disposed in the connection plate 55 of this embodiment, and the metal reinforcing plate 59 is a metal partition plate for separating the two rows of first terminals 60 and the two rows of first contacts 62.

Please refer to fig. 59, which is a thirty-third embodiment of the present invention, which is an electrical connection wire of USB2.0 standard, and is substantially the same as the thirty-second embodiment, the connection board 55 is also provided with a metal reinforcing board 59 therein, and the difference is that the implementation does not have a metal shell, the rear board surfaces of the upper and lower board surfaces of the connection board 55 are higher high surfaces 551 and the front board surface is provided with lower low surfaces 552, the low surfaces 552 and the high surfaces 551 are in a step difference, the rear board surface of any one of the upper and lower board surfaces protrudes a height higher than the front board surface and the two are in a step difference, so that the upper and lower board surfaces form a step difference.

The connection board of the present invention is directly contacted and fixed to the outer cover, and is different from the electronic component packaged on the display card which is fixed to the circuit board through the pins, and the difference is particularly stated herein.

Referring to fig. 60, 61, 62 and 63, a thirty-fourth embodiment of the present invention is a USB 2.0-standard flash drive, which is electrically connected to an electrical female connector on both sides, and includes an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit 4, a position-limiting structure 50 and a row of first terminals 60, wherein:

the front section of the circuit board 40 is provided with an insulating base 34 to form the connecting board 55, the connecting board 55 of this embodiment is a butt-joint structure, the insulating base 34 is provided with the row of 4 first terminals 60, each first terminal 60 is provided with a first contact 62 flatly attached to the upper surface of the connecting board 55 and extending a pin 64 to be welded with the circuit board 55, the pin 64 is bent from the front end of the connecting board 55 downwards to the upper surface of the circuit board 40 to be welded in an SMT way, thus not occupying the upper area of the rear section of the circuit board 40 and being beneficial to the utilization on the rear section of the circuit board 40, the front section of the circuit board 40 is provided with a row of first contacts 41 with four gold fingers, the row of first contacts 41 forms a connecting interface of the lower surface of the connecting board 55, the section of the insulating base 34 is in an inverted U shape, so that a space 39 is formed between the insulating base 34 and the front section of the circuit board 40, and thus the front section of the circuit board 40 can still be provided with the electronic component 430, the circuit board 40 is a thin plate, approximately 0.3mm to 0.5 mm.

The two rows of first contacts 62, 41 are USB2.0 connection interfaces, which can transmit VCC, USB D-, USB D + and GND signals, respectively, the two rows of first contacts 41 are the same connection interfaces and the circuit numbers are arranged in opposite directions, as shown in fig. 62, the circuit numbers of the row of first contacts 62 on the upper board surface of the connection board 55 are a1, a2, a3 and a4 from right to left, and the circuit numbers of the row of first contacts 41 on the lower board surface of the connection board 55 are b4, b3, b2 and b1 from right to left. In addition, the connecting plate 55 has a front and back symmetrical shape, so that the front and back sides can be butt-jointed and positioned on an electrical connection female socket.

The two rows of first contacts 62, 41 with the same circuit serial number are electrically connected in series to form a group, that is, a1 is electrically connected with b1, a2 is electrically connected with b2, a3 is electrically connected with b3, and a4 is electrically connected with b4, wherein a1 and b1 are power contacts, which can never cause short circuit, so that a1 and b1 are electrically connected with each other through a Schottky diode 46, and the Schottky diode 46 mainly prevents current from flowing backwards, thereby achieving the effect of preventing short circuit.

The use of Schottky diode to prevent short circuit is one way of an electronic anti-reverse-current or anti-short circuit safety protection means, but there are also many ways to install anti-reverse-current electronic device or anti-short circuit electronic device or circuit safety protection device or safety circuit installation means, so as to achieve the circuit safety protection effect.

The outer cover 30 and the connecting plate 55 are combined to form a butt joint structure, the outer cover 30 and the insulating base 34 are integrally formed by plastic injection molding, the outer cover 30 covers the rear section of the circuit board 40, the cross section of the outer cover 30 is also n-shaped, so that a space 39 is also formed between the outer cover 30 and the rear section of the circuit board 40.

The electronic unit 4 is a storage unit electrically connected to the rear section of the circuit board 40 and covered by the outer cover 30, and includes a memory and a control circuit, the memory can be but not limited to a flash memory (flash memory) or a Read Only Memory (ROM), the capacity of the memory is not limited, the control circuit controls the operation of the memory of the electronic unit, and the two rows of first contacts 62, 41 are electrically connected to the electronic unit 4.

In addition, the embodiment further comprises a control means combined with the USB2.0 USB drive to perform a data storage and control procedure on the storage unit.

The position-limiting structure 50 is integrally formed with the insulating base 34, the position-limiting structure 50 forms a front-back rib on each of two sides of the two board surfaces of the connecting board 55, and the position-limiting structure 50 protrudes beyond the first contacts 62, 41 of the two board surfaces of the connecting board 55 to protect the two rows of first contacts 41.

The reinforcing plate 59 is made of metal and has a cross section of ㄈ shape, and is disposed on two sides of the insulating base 34, the reinforcing plate 59 extends from the connecting plate 55 to the rear section of the circuit board 40 and is provided with a soldering plate 591 for soldering with the circuit board 40.

In addition, the insulating base 34 can also be directly provided with a plurality of small-area soldering boards, and the soldering board can be soldered to the circuit board to achieve the reinforcement effect.

With the above structure, the present embodiment has the following advantages:

1. the space 39 formed in the connecting plate 55 allows the electronic components 430 to be still disposed on the front section of the circuit board 40.

2. The cover 30 and the insulating base 34 are integrally formed by injection molding, so that the manufacturing is very simple.

3. Meanwhile, the electrical short-circuit-proof Schottky diode 46 and the mechanical anti-scratch and short-circuit-proof limiting structure 50 are designed to ensure the safety of the double-sided plug-in circuit.

The manufacturing method of the present embodiment includes the steps of:

one, provide a circuit board, the circuit board has 2 groups of tandem circuits of the reverse arrangement USB2.0 connection interface in order, a group of USB2.0 connection interface contact, prevent the circuit and contact of the backflow or short circuit or other electronic circuit safety protection devices, a circuit and contact of the electronic unit, and the weld zone of the reinforcing plate on one side, the 2 groups of tandem circuits of the reverse arrangement connection interface in order are connected with circuit of the electronic unit electrically, another side of the circuit board has a group of USB2.0 connection interfaces, it is golden finger;

providing an insulating base body, wherein the insulating base body is a plastic base body and is provided with a USB2.0 connection interface of a group of terminal structures, the terminals are provided with pins, a space is formed between the lower part of the insulating base body and the circuit board, electronic elements can be arranged by the space, the insulating base body is provided with a reinforcing plate, the insulating base body integrally extends the length of the base body to form an outer covering body, the insulating base body and the circuit are flush with each other in the front and back direction, so that the area of the circuit board on which the electronic elements are arranged is completely covered;

thirdly, providing a safety protection device for anti-reverse-current electronic devices or anti-short-circuit electronic devices or Schottky diodes or other electronic circuits;

fourthly, providing an electronic unit which is a storage unit and comprises a memory and a control circuit;

fifthly, providing welding materials to be coated on the contact of the circuit board and the welding area of the reinforcing plate;

sixthly, arranging and sticking the anti-reflux electronic element or anti-short circuit electronic element or Schottky diode or other electronic circuit safety protection device, the electronic unit and the insulating base body on the contact of the circuit board respectively, wherein the insulating base body completely covers the area on which the electronic elements are arranged on the circuit board; and

and seventhly, performing reflow soldering board processing on the elements respectively attached to the circuit board to finish the processing procedure of the simple board type double-sided connection interface electronic device.

In the above manufacturing method, the circuit board has 2 sets of USB2,0 series circuits connected with the interface, wherein the circuit of circuit number 1 is electrically connected with the anti-reverse-flow electronic element or anti-short circuit electronic element or Schottky diode or other electronic circuit safety protection device, and the insulation base is provided with a limit structure for preventing short circuit from protruding out of two sets of USB2.0 connection interfaces.

In addition, the electronic unit may be a wireless transceiver unit to form a wireless transceiver device, or may be a connection wire to form an electrical connection male plug, or may be a connection circuit and an electrical connector to form a connection adapter, or may be an expansion circuit and a set of electrical connection sockets to form an expansion socket, or may be a control unit to form an IC controller.

The related manufacturing method of the invention is also disclosed and described in other embodiments.

Referring to fig. 63A, the top and two sides of the exterior body 30 and two sides of the insulating base 34 of the thirty-fourth embodiment can be provided with through holes 301, so that air convection is provided when the exterior body 30 and the insulating base 34 are heat sealed on the circuit board 40 or the reflow soldering board, and a better heat sealing effect or a better reflow soldering board processing is provided.

Please refer to fig. 64, which shows a thirty-fifth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the thirty-fourth embodiment, except that the circuit board 40 of the present embodiment is thicker, about 0.8mm to 1.1 mm.

Please refer to fig. 65, which shows a thirty-sixth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the thirty-fourth embodiment, wherein a row of pins 64 of the first terminal 60 of the present embodiment is bent from the rear end of the connecting board 55 to the rear section of the circuit board and soldered by SMT.

Please refer to fig. 66, which is a thirty-seventh embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the thirty-sixth embodiment, but the difference is that a row of pins 64 of the first terminal 60 of the present embodiment is soldered through the circuit board, and the outer cover 30 is an encapsulant covering the circuit board 40 by an encapsulant, and simultaneously filling the space between the insulating base of the connection board 55 and the circuit board 40 to increase the strength, which is also a way of a reinforcement means.

Please refer to fig. 67 and fig. 68, which are a thirty-eighth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the thirty-seventh embodiment, and the difference is that a second circuit board 422 is stacked on the front section of the circuit board 40 of this embodiment to form the connection board 55, a row of first contacts 41 on the upper board surface of the connection board is formed on the second circuit board and is a row of gold fingers, a row of first contacts 41 on the lower board surface of the connection board is formed below the front section of the circuit board 40 and is a row of gold fingers, and in addition, the position-limiting structure 50 is two insulating base bodies, which respectively protrude from the upper and lower surfaces of the connection board 55 and are between circuit numbers 1,2 and between circuit numbers 3,4 of the two rows of first contacts.

Please refer to fig. 69, 70 and 71, which are thirty-ninth embodiments of the present invention, which are substantially the same as the thirty-seventh embodiment, and the difference is that the insulating base of the connection board 55 and the outer cover 30 of the present embodiment are both sealing compounds, which cover the upper surface of the circuit board 40 in a sealing compound manner, the front and rear ends of the row of first terminals 60 are both bent downward to the pins 64 on the circuit board to be soldered in an SMT manner, in addition, the position of the position limiting structure 50 is directly formed during the sealing compound, and the position of the position limiting structure 50 is the same as that of the thirty-eighth embodiment.

Please refer to fig. 72, 73 and 74, which are fortieth embodiments of the present invention, which is a USB 2.0-sized personal disk, and is substantially the same as the thirty-seventh embodiment, except that the circuit board 40 of the present embodiment is a thick plate with a thickness of about 1.0mm, and there is no space between the insulating base 37 of the connecting plate 55 and the front section of the circuit board 40.

Please refer to fig. 75, fig. 76 and fig. 77, which are forty-first embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the twenty-seventh embodiment, and the difference is that the two rows of first terminals 60 are embedded in the connecting board 55 for injection molding, the outer cover 30 is an encapsulant covering the upper surface of the circuit board 40 by an encapsulant, in addition, two sides of the connecting board 55 are respectively provided with a reinforcing plate 59, the reinforcing plate 59 is made of metal and has a concave cross section, the reinforcing plate 59 extends from the connecting board 55 to the circuit board 40, and the reinforcing plate 59 is clamped and fixed with the circuit board 40.

Please refer to fig. 78, which is a forty-second embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the forty-first embodiment, except that the two rows of pins 64 of the first terminal 60 are all soldered on the circuit board 40.

Please refer to fig. 79, which is a forty-third embodiment of the present invention, and is a USB 2.0-standard flash drive, which is substantially the same as the forty-first embodiment, and the difference is that the connection board of the present embodiment is not provided with a slot for locking the circuit board 40.

Referring to fig. 80, a forty-fourth embodiment of the present invention is a USB 2.0-standard flash drive, which is substantially the same as the forty-second embodiment, and the difference is that the pins 64 of the first terminals 60 in the two rows of the embodiment are all soldered below the circuit board 40.

Please refer to fig. 81, 82 and 83, which are a forty-fifth embodiment of the present invention, which is a USB 2.0-sized flash drive, and is substantially the same as the thirty-fourth embodiment, and the difference is that two sides of the front section of the circuit board 40 of this embodiment are respectively provided with a plastic block 312, the two plastic blocks 312 are further stacked with a second circuit board 424 to form the connection board 55, a space is formed between the second circuit board 424 and the circuit board 40, and the two are aligned front and back, a row of first contacts 41 on one board surface of the connection board 55 is formed outside the second circuit board 424 and is a row of golden fingers, and a row of first contacts 41 on the other board surface of the connection board 55 is formed outside the front section of the circuit board 40 and is a row of golden fingers.

The second circuit board 424 and the circuit board 40 are fixed to the two plastic blocks 312 by pins 425, the limiting structure 50 is integrally formed on the two plastic blocks 312, and the outer covering body 30 is an encapsulant covering the inner surfaces of the circuit board 40 and the second circuit board 425 by an encapsulant manner.

Please refer to fig. 84 and 85, which are a forty-sixth embodiment of the present invention, which is an electronic device with USB2.0 standard, and is substantially the same as the thirty-sixth embodiment, except that the outer cover 30 of the present embodiment is a plastic box with a height larger than the connecting plate 55, such that the circuit board 40 is in the middle of the outer cover 30, and both sides of the circuit board 40 and the outer cover 30 have enough space for disposing the related electronic components.

Please refer to fig. 86, which is a forty-seventh embodiment of the present invention, which is an electronic device with USB2.0 standard, and is substantially the same as the thirty-seventh embodiment, wherein the outer cover 30 of the present embodiment is a plastic box with a height larger than that of the connection board 55, and the two circuit boards 40 are both thin boards with a thickness of about 0.3mm, so that the two circuit boards 40 are located in the middle of the outer cover 30, and both sides of the two circuit boards 40 have enough space for disposing the related electronic components, thereby shortening the length of the whole electronic device.

Please refer to fig. 87 and 88, which are a forty-eighth embodiment of the present invention, which is an electronic device with a mini USB2.0 standard, and is substantially the same as the thirty-fourth embodiment, the difference is that the connection board 55 of the present embodiment is a butt-joint structure, the butt-joint structure is a circuit board 40 combined under an insulation base 34 made of plastic, the insulation base is provided with a row of first terminals 60, a row of first contacts 62 of one board surface of the butt-joint structure is formed on the row of first terminals 60, the row of first terminals 60 are extended pins electrically connected with the circuit board 40, a row of first contacts 41 of the other board surface of the butt-joint structure is formed under the circuit board 40 and is a row of gold fingers, a space is formed between the insulation base 34 and the circuit board 40, and the electronic unit 4 is disposed in the connection board 55 and is electrically connected with the circuit board 40.

The electronic unit 4 in the thirty-fourth to forty-eighth embodiments may be a storage unit to form a portable disk, or may be a wireless transceiver unit to form a wireless transceiver, or may be a connection wire to form an electrical connection male plug, or may be a switching circuit and an electrical connector to form a switching connector, or may be an expansion circuit and a set of electrical connection sockets to form an expansion socket, or may be a control unit to form an IC controller.

In the manufacturing method of the thirty-fourth embodiment, another 2 sets of serially-connected circuits and pads of sequentially-reverse-arranged connection interfaces are further disposed behind the 2 sets of serially-connected circuits and contacts of sequentially-reverse-arranged USB2.0 connection interfaces of the circuit board; the insulation seat body is provided with another 2 groups of USB3.0 connection interfaces of the springing terminal structure, the springing terminal is provided with a pin, and the USB3.0 connection interface is arranged behind the USB2.0 connection interface; the circuit board is provided with a through slot for the elastic terminal connecting interface to be elastically moved; thus, an electronic product with USB3.0 specification can be manufactured.

In addition, the insulating base body can also be directly provided with a plurality of small-area welding plates, the reinforcing effect can be achieved by welding the welding plates and the circuit board, and the insulating base body can also be separated and extended for the length of the base body to form an outer covering body which completely covers the area on which the electronic elements are arranged on the circuit board.

Please refer to fig. 89 and fig. 90, which are a forty-ninth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the forty-first embodiment, in this embodiment, the connection board 55 and the two rows of first terminals 60 are formed by plastic injection molding in an embedded manner, two sides of the connection board 55 are respectively provided with a reinforcement board 59, the reinforcement boards 59 are made of metal material and have cross sections of the same shape as that of the connection board 55The difference of this embodiment is that the stiffener 59 extends from the connecting board 55 to the circuit board 40, and the stiffener 59 is clamped and fixed with the circuit board 40, and there is no sealant temporarily covering the circuit board 40 and covering the electronic unit 4.

In addition, the two rows of first contacts 62 and 41 are USB2.0 connection interfaces, which can transmit signals of VCC, USB D-, USB D +, and GND, respectively, the two rows of first contacts 41 are the same connection interfaces and have circuit numbers arranged in opposite directions, as shown in fig. 62, the circuit numbers of the row of first contacts 62 on the upper board surface of the connection board 55 are a1, a2, a3, and a4 from right to left, and the circuit numbers of the row of first contacts 41 on the lower board surface of the connection board 55 are b4, b3, b2, and b1 from right to left. In addition, the connecting plate 55 has a front and back symmetrical shape, so that the front and back sides can be butt-jointed and positioned on an electrical connection female socket.

The two rows of first contacts 62, 41 with the same circuit serial number are electrically connected in series to form a group, that is, a1 is electrically connected with b1, a2 is electrically connected with b2, a3 is electrically connected with b3, and a4 is electrically connected with b4, wherein a1 and b1 are power contacts, which can never cause short circuit, so that a1 and b1 are electrically connected with each other through a Schottky diode 46, and the Schottky diode 46 mainly prevents current from flowing backwards, thereby achieving the effect of preventing short circuit.

The use of Schottky diode to prevent short circuit is one way of an electronic anti-reverse-current or anti-short circuit safety protection means, but there are also many ways to install anti-reverse-current electronic device or anti-short circuit electronic device or circuit safety protection device or safety circuit installation means, so as to achieve the circuit safety protection effect.

Referring to FIG. 91, a fifty-fifth embodiment of the present invention is substantially the same as the forty-ninth embodiment, except that the cross-section of the stiffening plate 59 of this embodiment is the sameAnd (4) shaping.

Referring to FIG. 92, a fifty-first embodiment of the present invention is substantially the same as the forty-ninth embodiment, except that the cross-section of the stiffening plate 59 of the present embodiment is the sameAnd (4) shaping.

Referring to fig. 93, a fifty-second embodiment of the present invention is substantially the same as the forty-ninth embodiment, except that the cross-section of the stiffening plate 59 of the present embodiment is also substantially the sameHowever, the circuit board 40 is not engaged.

Please refer to fig. 94 and 95, which are fifty-third embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the forty-ninth embodiment, the difference in this embodiment is that the reinforcing plate 59 and the connecting plate 55 are integrally formed of plastic, the reinforcing plate 59 is integrally connected to two sides of the rear end of the connecting plate 55 and extends backwards, and the cross section of the reinforcing plate 59 is also in a shape of a Chinese character 'ao' and is sleeved on two sides of the circuit board 40.

In addition, the cross section of the reinforcing plate 59 may have other shapes to fit, engage or adhere to the two sides of the circuit board.

Please refer to fig. 96 and 97, which are fifty-fourth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the forty-ninth embodiment, the difference in the present embodiment is that the reinforcing structure is a socket groove 52 disposed on the connecting plate 55, the front section of the circuit board 40 is fixed in the socket groove 52, the socket groove 52 is located in the middle of the thickness of the connecting plate 55, and the socket groove 52 covers and abuts the left and right side surfaces and the top and bottom surfaces of the front section of the circuit board 40.

Please refer to fig. 98 and 99, which illustrate a fifty-fifth embodiment of the present invention, which is a USB2.0 USB flash drive, which is substantially the same as the fortieth and forty-ninth embodiments, the connection board 55 of this embodiment also includes an insulating base 34 and a front section of the circuit board 40, the insulation base 34 is disposed on the front section of the circuit board 40, the row of first contacts 62 is disposed on the insulation base 34, a row of first contacts 62 on the insulative housing is formed on a row of first terminals 60, the first terminals 60 are provided with pins 64 electrically connected or soldered to the circuit board 40, the front section of the circuit board 40 is provided with the row of first contacts 41, the row of first contacts 41 of the circuit board is a circuit contact, a reinforcing plate 59 is disposed on each side of the insulating base 34, the reinforcing plate 59 and a row of first terminals 60 are embedded in the insulating base 34 by plastic injection molding, and the reinforcing plate 59 is made of metal and has a cross section.The difference of this embodiment is that the stiffener 59 extends to the rear section of the circuit board 40 and is soldered to the circuit board 40, and there is no sealant temporarily covering the circuit board 40 and covering the electronic unit 4.

Referring to fig. 100, a fifty-sixth embodiment of the present invention is substantially the same as the fifty-fifth embodiment, except that the cross-section of the reinforcing plate 59 of the present embodiment is the same as that of the fifty-sixth embodimentAnd (4) shaping.

Referring to fig. 101, a fifty-seventh embodiment of the present invention is substantially the same as the fifty-fifth embodiment, except that the cross section of the reinforcing plate 59 of the present embodiment is the same asAnd (4) shaping.

Referring to fig. 102, a fifty-eighth embodiment of the present invention is substantially the same as the fifty-fifth embodiment, except that the cross section of the reinforcing plate 59 of the present embodiment is the same asAnd (4) shaping.

Referring to fig. 103, a fifty-ninth embodiment of the present invention is substantially the same as the fifty-fifth embodiment, except that the cross-section of the reinforcing plate 59 of the present embodiment is the same asAnd (4) shaping.

Referring to fig. 104, 105, 106 and 107, a sixty-fourth embodiment of the present invention is a USB 2.0-sized flash drive, which is substantially the same as the thirty-ninth embodiment, and the difference of the present invention is that a circuit board 40 and a second circuit board 424 are provided, a row of four first contacts 41 is provided at the front section of the lower surface of the circuit board 40, an electronic unit 4 is first welded on the circuit board 40, two reinforcing plates 59 extending back and forth are welded at two sides, and four ㄈ -shaped conductive sheets 593 are welded at the front section, then an outer covering body 30 is formed by encapsulation to cover the upper surface of the circuit board 40 and the electronic unit 4, and the upper ends of the two reinforcing plates 59 and the four conductive sheets 593 are exposed, as shown in fig. 107, a row of four first contacts 41 is provided on the second circuit board 424, a row of four first contacts 41 corresponding to the two reinforcing plates 59 and the four conductive sheets 593 is provided at the lower surface, a row of four first contacts 41 on the upper surface are reversely arranged and electrically connected to the lower pads by conductive portions 59420, the second circuit board 424 is overlapped on the front section of the outer covering body 30 and the lower pads are welded on the upper ends of the two reinforcing plates 59 and the four conductive sheets 593 to form a connecting plate 55, so that a row of first contacts with circuit serial numbers arranged in reverse order are respectively formed on the upper and lower surfaces of the connecting plate 55.

The manufacturing method of the embodiment comprises the following steps:

providing a circuit board 40, wherein the circuit board 40 is provided with 2 groups of conductive contacts, a series circuit of the 2 groups of conductive contacts arranged in reverse order, a circuit and a contact of an anti-reflux or anti-short circuit or other electronic circuit safety protection devices, a circuit and a contact of an electronic unit 4, and a contact of a reinforcing plate 59, the series circuit of the 2 groups of conductive contacts arranged in reverse order is electrically connected with the circuit of the electronic unit 4, the 2 groups of conductive contacts are respectively arranged on different surfaces of the circuit board, and the front section of the circuit board 40 is a group of connection interfaces relative to 1 group of conductive contacts on the other surface of the contact provided with the electronic unit 4, namely a row of 4 first contacts 41 which are USB2.0 connection interfaces;

secondly, providing an insulator, which is a second circuit board 424 on which the other set of connection interfaces, i.e. a row of first contacts 41, which are the connection interfaces of USB2.0, are disposed;

thirdly, providing a reverse-current-proof electronic device or a short-circuit-proof electronic device or a Schottky diode 46 or other electronic circuit safety protection devices;

providing an electronic unit 4, an additional set of conductive contacts and a reinforcing plate 59, wherein the additional set of conductive contacts is a set of conductive sheets 593;

fifthly, providing welding materials to be coated on the contact points of the circuit board 40;

sixthly, the anti-reflux electronic element or anti-short circuit electronic element or Schottky diode or other electronic circuit safety protection device, the electronic unit 4 and the two reinforcing plates 59 are respectively arranged and pasted on the corresponding contact points of the circuit board 40, and the group of conducting strips 593 are pasted on a group of conducting contact points on the surface of the circuit board;

seventhly, processing reflow soldering boards of the elements respectively attached to the circuit board 40;

eighthly, encapsulating one surface of the circuit board 40 welded with the elements to form an outer cover body 30, combining the circuit board 40 and the outer cover body 30 into a packaging body, exposing the group of conducting strips 593 and the two reinforcing plates 59 on the upper surface of the outer cover body 30, and exposing a group of connecting interfaces, namely a row of 4 first contacts 41, on the other surface of the circuit board on one surface of the circuit board of the packaging body;

ninth, a set of conductive sheets 593 and a reinforcing plate 59 which are coated with welding materials are provided; and

tenthly, the second circuit board 424 is overlapped on the front section of the upper surface of the outer covering body 30, the welding points of a group of connection interfaces of the second circuit board 424 are connected with the group of conductive sheets 593, the second circuit board 424 is provided with welding points to be connected with the two reinforcing plates 59, and finally, the reflow soldering processing is performed.

The reinforcement structure is a reinforcement plate 59, or a solder plate, and the second circuit board 424 can be bonded to the outer cover 30 by ultrasonic or high frequency.

Referring to fig. 108, a sixty-first embodiment of the present invention is substantially the same as the sixty-second embodiment, and the difference is that the outer covering body 30 of the present embodiment further covers two side surfaces of the circuit board 40.

Referring to fig. 109, a sixty-second embodiment of the present invention is substantially the same as the sixty-second embodiment, and the difference is that an insulating base 34 is laminated on the outer covering 30, the insulating base 34 is provided with the row of first contacts 62, the row of first contacts 62 is formed on a row of first terminals 60, the insulating base 34 and the row of first terminals 60 are formed by embedding plastic injection molding, the first terminals 60 are provided with pins welded to the upper ends of four conductive sheets on the front section of the outer covering 30, and the insulating base 34 can be bonded to the outer covering 30 by ultrasonic or high frequency wave.

Referring to fig. 110, a sixty-third embodiment of the present invention is substantially the same as the thirty-fourth embodiment, and the difference is that the outer cover 30 and the insulation base 34 of the present embodiment are separately formed and not integrally formed, and the outer cover 30 and the insulation base 34 can be combined on the circuit board 40 by ultrasonic or high frequency.

Please refer to fig. 111, 112, 113 and 114, which are sixty-fourth embodiment of the present invention, which is a USB 2.0-standard drive, and is substantially the same as the thirty-fourth embodiment, the present embodiment includes a circuit board 40, two insulating base bodies 34, 34', an electronic unit 4 and an outer cover 30, wherein:

a set of conductive contacts 430 is disposed on the upper and lower surfaces of the circuit board 40, two bonding pads 432 are disposed on the front end of the circuit board, and a bonding pad 434 extending forward and backward is disposed on each of the two lower sides of the circuit board 40.

The two insulation base bodies 34, 34' are respectively provided with a set of conductive contacts, which are a row of four first contacts 62, which is a USB2.0 connection interface, the two rows of first contacts 62 are formed on the two rows of first terminals 60, the two insulation base bodies 34, 34' and the two rows of first terminals 60 are respectively formed by plastic injection molding, the two rows of first terminals 60 are provided with pins 64 soldered to a set of conductive contacts 430 on the upper and lower surfaces of the circuit board 40, the front ends 66 of the two rows of first terminals 60 are soldered to lands 432 on the upper and lower sides of the circuit board 40, the front ends of the two insulation base bodies 34, 34' are provided with two notches 342 corresponding to the welding area 432, the notches 342 can be used for repair welding, in addition, the insulation base body 34 is larger, both sides of which are substantially flush with the circuit board 40, and both sides of which are provided with a reinforcing plate 59 extending forward and backward, respectively, the reinforcing plate 59 being soldered to the soldering lands 434.

The electronic unit 4 is a storage unit including related electronic components and control circuits, and the electronic unit 4 is electrically connected to the circuit board 40.

The outer cover 30 is an insulating sealant, which is used to seal and cover the side of the circuit board 40 welded with the electronic unit 4 and the insulating base 34', so that only one row of first contacts 62 on the insulating base 34' is exposed out of the upper surface of the outer cover 30.

With the above structure, the upper and lower surfaces of the front section of the circuit board 40 are respectively provided with an insulating base to form the connection board 55, and two surfaces of the connection board 55 are respectively provided with a set of connection interfaces, i.e. the row of first contacts 62.

The manufacturing method of the embodiment comprises the following steps:

providing a circuit board 40, wherein the circuit board is provided with 2 groups of conductive contacts 430, a series circuit of the 2 groups of conductive contacts arranged in reverse order, a circuit and contacts of an anti-reflux or anti-short circuit or other electronic circuit safety protection devices, a circuit and contacts of an electronic unit and a welding area 434 of a reinforcing plate 59, the series circuit is electrically connected with the circuit of the electronic unit, and the 2 groups of conductive contacts 430 are respectively arranged on different surfaces of the circuit board 40;

secondly, providing an insulator, wherein the insulator is an insulating base 34, on which a set of USB2.0 connection interface and reinforcing plate 59 is disposed, and the insulator is a row of 4 first contacts 62, the row of first contacts 62 is formed on a row of first terminals 60, and the insulating base 34' and the row of first terminals 60 are embedded in a plastic injection molding manner;

thirdly, providing a safety protection device for anti-reverse-current electronic devices or anti-short-circuit electronic devices or Schottky diodes or other electronic circuits;

providing an electronic unit 4 and an additional set of conductive contacts, wherein the additional set of conductive contacts is arranged on an insulating base 34', is a set of USB2.0 connection interface, and is a row of 4 first contacts 62, the row of first contacts 62 is formed on a row of first terminals 60, and the insulating base 34' and the row of first terminals 60 are formed by embedding plastic injection molding;

fifthly, providing a welding material to coat the joint and welding area 432 on one side of the circuit board 40;

sixthly, the anti-reverse-flow electronic component or the anti-short circuit electronic component or the schottky diode or other electronic circuit safety protection device and the electronic unit 4 are respectively arranged and pasted on the corresponding contacts on the circuit board 40, the additional group of conductive contacts, namely the pins 64 of the row of first terminals 60 of the insulating base 34', are pasted on the group of conductive contacts 430 on the surface of the circuit board, wherein the front ends 66 of the two first terminals 60 are connected with the welding area 432;

seventhly, processing reflow soldering boards of the elements respectively attached to the circuit board 40;

eighthly, packaging one side of the circuit board welded with the elements to form an outer cover body 30, combining the circuit board 40 and the outer cover body 30 into a packaging body, and exposing the outer group of conductive contacts, namely the first contacts 62 of the row of first terminals 60 on the upper surface of the outer cover body 30 of the packaging body, and exposing one side of the circuit board of the packaging body on the other side of the circuit board;

providing a group of conductive contacts 430, a welding area 432 and a welding area 434 of the reinforcing plate, wherein welding materials are coated on one surface of the circuit board; and

tenthly, the insulating base 34 is overlapped on the front section of the circuit board 40 of the package, the pins 64 of the row of first terminals 60 of the insulating base 34 are connected to the group of conductive contacts 430 coated with the soldering material, wherein the front ends 66 of the two first terminals 60 are connected to the soldering area 432, the reinforcing plate 59 is connected to the soldering area 434, and the reflow soldering process is performed.

The insulation seat body on the front section of the circuit board 40 of the present embodiment is formed by combining a smaller insulation seat body 34' with a sealing compound to form an insulation seat body flush with both sides of the circuit board 40, the sealing compound is embedded in the insulation seat body 34' and forms the circuit board, the insulation seat body 34' is mainly used to combine the row of first terminals 60 to achieve the purpose of simple manufacturing, however, the row of first terminals 60 can also be directly soldered on the circuit board 40 and then sealed to form an insulation seat body directly.

The reinforcing structure is a reinforcing plate 59, or a soldering plate, and the insulating base 34 can be bonded to the circuit board 40 by ultrasonic or high frequency.

Please refer to fig. 115 and 116, which are a sixty-fifth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the sixty-fourth embodiment, and the difference is that the two sides of the insulating base 34 of this embodiment are integrally provided with a limiting structure 50 protruding the set of connection interfaces and a set of conductive contacts corresponding to the set of connection interfaces, that is, the limiting structure 50 protrudes a row of first contacts 62 on two sides of the connection board 55.

The electronic unit 4 in the forty-ninth embodiment to the sixteenth embodiment may be a storage unit to form a portable disk, or may be a wireless transceiver to form a wireless transceiver, or may be a connection wire to form an electrical connection male plug, or may be a connection circuit and an electrical connector to form a connection adapter, or may be an expansion circuit and a set of electrical connection sockets to form an expansion socket, or may be a control unit to form an IC controller.

The specific embodiments set forth in the detailed description of the preferred embodiments are merely illustrative of the technical disclosure of the present invention, rather than limiting the invention to the embodiments in a narrow sense, and various modifications can be made without departing from the spirit of the present invention and the scope of the following claims.

List of primary symbol names

Flash drive 1 and flash drive 3

Plastic base 10, circuit board 15 and contact 16

Electrical connection female socket 20 connecting slot 21 tongue piece 22

Contact 23 metal shell 25 spring piece 24

Upper cover 32 of lower seat 31 of outer cover 30

Positioning groove 35 of insulating base 34 of chamber 33

Positioning spring piece 36 plastic plate 37 metal shell 38

Space 39 plastic block 312 through hole 301

First contact 41 of circuit board 40 of electronic unit 4

Through-hole 42 memory 43

Control circuit 45 of memory 44 with Schottky diode 46

IC control chip 47, contact 48 and circuit 49

Connecting the slot 410, the first contact 411 and the second contact 412

Tongue 413 contact 417 contact 418

Circuit board 422 on conductive part 420 of electric wire 419

Lower circuit board 423 second circuit board 424 pins 425

Conductive contact 430 land 432 land 434

Card slot 52 limiting structure 50 connecting plate 55

Through hole 56 concave surface 57 butt joint structure 58

Conducting strip 593 of welding plate 591 of reinforcing plate 59

First terminal 60, extension 61 and first contact 62

Front end 66 of pin 64 of first contact 63

Extension 71 and second contact 72 of second terminal 70

Movable terminal 82 of movable terminal 81 of detection structure 80

Fixed terminal 83 bump 85 switch device 90

Sliding button 91 and sliding groove 92 conductive part 93