阅读说明：本技术 一种自适应插接方向的usb连接母座 (USB connecting female socket capable of adapting to plugging direction ) 是由 彭东菊 张龙 于 2021-09-17 设计创作，主要内容包括：本发明公开了一种自适应插接方向的USB连接母座,包括金属外壳、端子基座、浮动座及端子；端子基座安装于所述金属外壳的端子端内,其内设有贯穿的端子孔,电源正极和电源负极,端子基座位于所述金属外壳内的切换端面上设有端子槽,与对应的端子孔连通,电源正极和电源负极于切换端面上形成以中心点对称分布的切换结构；电源正极和电源负极之间于端子槽上对应位置设有触片槽；浮动座安装经由滑动限位机构固定于金属外壳宽度方向的侧壁上,浮动座上开设有触片孔槽,浮动座被推动至正和反两个位置时,所述电源第一触片和电源第二触片分别与所述电源正极和电源负极切换连接。本发明能够实现USB公头与母座插接时无需判断方向,提高USB插接头的使用体验。(The invention discloses a USB connecting female socket adaptive to a plugging direction, which comprises a metal shell, a terminal base, a floating socket and a terminal, wherein the metal shell is provided with a plurality of through holes; the terminal base is arranged in the terminal end of the metal shell, a through terminal hole, a power supply anode and a power supply cathode are arranged in the terminal base, a terminal groove is arranged on the switching end face of the terminal base in the metal shell and is communicated with the corresponding terminal hole, and the power supply anode and the power supply cathode form a switching structure which is symmetrically distributed by a central point on the switching end face; a contact sheet groove is arranged between the positive electrode of the power supply and the negative electrode of the power supply at the corresponding position on the terminal groove; the floating seat is fixed on the side wall of the metal shell in the width direction through a sliding limiting mechanism, contact piece hole grooves are formed in the floating seat, and when the floating seat is pushed to a positive position and a negative position, the power supply first contact piece and the power supply second contact piece are respectively connected with the positive pole and the negative pole of the power supply in a switching mode. The invention can realize that the direction does not need to be judged when the USB male connector is plugged with the female connector, and improves the use experience of the USB plug-in connector.)

1. A USB connection female socket adaptive to a plugging direction is characterized by comprising a metal shell, a terminal base, a floating seat and a terminal;

the metal shell is a rectangular shell with openings at two ends, the front end of the metal shell is a splicing end, and the rear end of the metal shell is a terminal end;

the terminal base is arranged in a terminal end of the metal shell, a through terminal hole is formed in the terminal base and used for inserting a terminal, the terminal comprises a power supply anode and a power supply cathode which are connected with a power supply, a data anode and a data cathode, terminal grooves are formed in a switching end face of the terminal base in the metal shell, the terminal holes are communicated with the corresponding terminal grooves, terminals of the power supply anode, the power supply cathode, the data anode and the data cathode respectively correspondingly penetrate through the terminal holes and are distributed in the terminal grooves in a bending mode, and the power supply anode and the power supply cathode form a switching structure of an anode and a cathode on the switching end face; a contact sheet groove is arranged between the positive electrode of the power supply and the negative electrode of the power supply at the corresponding position on the terminal groove;

the floating seat is arranged at a position in the metal shell outside the switching end face of the terminal base and is fixed on the shorter side wall of the metal shell through a sliding limiting mechanism, and the sliding limiting mechanism is a sliding connection structure which slides along a direction parallel to the switching end face; the floating seat is provided with a contact piece hole groove along the direction vertical to the switching end face, a contact piece is installed in the contact piece hole groove and comprises a first power supply contact piece and a second power supply contact piece, the switching ends of the first power supply contact piece and the second power supply contact piece are inserted into the corresponding contact piece grooves, the other contact ends of the first power supply contact piece and the second power supply contact piece form a bending structure which is arranged in the other end part of the floating seat, and one side of the bending structure can protrude out of the side face of the floating seat;

when the floating seat is pushed to a positive position and a negative position in the metal shell, the switching end of the first power supply contact piece is connected to the positive electrode of the power supply, the switching end of the second power supply contact piece is connected to the negative electrode of the power supply, or the switching end of the first power supply contact piece is connected to the negative electrode of the power supply, and the switching end of the second power supply contact piece is connected to the positive electrode of the power supply; when the floating seat is switched between a positive position and a negative position, the power supply first contact piece and the power supply second contact piece are respectively connected with the positive electrode of the power supply and the negative electrode of the power supply in a switching manner.

2. The female USB connector socket according to claim 1, wherein the positive data terminal and the negative data terminal form a positive-negative switching structure on the switching end surface; a contact sheet groove is arranged between the data anode and the data cathode at the corresponding position on the terminal groove;

the contact pieces comprise a first data contact piece and a second data contact piece, the switching ends of the first data contact piece and the second data contact piece are inserted into corresponding contact piece grooves, the other contact ends of the first data contact piece and the second data contact piece form a bending structure arranged in the other end part of the floating seat, and one side of the bending structure can protrude out of one side face of the floating seat.

3. The female USB connector receptacle according to claim 2, wherein the floating receptacle has an insertion guiding inclined surface at an outer end thereof, and the insertion guiding inclined surface is inclined toward an adjacent side of the metal shell.

4. The female USB connector holder according to claim 3, wherein the floating holder has two opposite insertion guiding slopes on its outer end, the two insertion guiding slopes are respectively inclined toward the metal shell and its adjacent sides, and the distance between the top edge of the guiding slope and the inner side of the metal shell on both sides is greater than the stiffness-proof width of the USB male connector.

5. The female USB connector block according to claim 4, wherein an elastic limiting mechanism is disposed between two sides of the floating block and the side wall of the metal shell or the terminal base.

6. The female USB connector holder according to claim 5, wherein the elastic member limiting mechanism is disposed on the sliding limiting mechanism.

7. The female USB connector holder according to claim 5, wherein the elastic limiting mechanism is a combination of an elastic member vertically disposed on the bottom surface of the floating holder and a V-shaped groove structure disposed on the switching end surface and corresponding to the elastic member.

8. An adaptive mating direction USB connector receptacle according to claim 7, wherein the resilient member is the contact tip and the V-shaped groove is a V-shaped groove formed in the bottom of the contact groove.

Technical Field

The invention relates to an interface technology, in particular to a USB connection female socket capable of adapting to a plugging direction.

Background

The USB interface, especially USB TYPE-A, is the most popular standard interface in the world at present. The most popular TYPE-A USB interface on computers or other digital equipment. When a computer or other electronic products are used, the problem that the USB cable cannot be smoothly inserted after being inserted for many times often occurs, and the USB cable can be inserted only after the forward and reverse directions are confirmed. Therefore, when the USB cable is inserted, if the user inserts the USB cable blindly, the USB cable is likely not inserted for many times, and the user still needs to take labor to confirm the forward and reverse directions to insert the USB cable smoothly. Although a new USB structure exists, for example, a type C interface and the like, and positive and negative insertion can be realized, the number of lines is doubled, the universality of the current use is not as good as that of a USB type a interface, and how to realize blind insertion of the USB type a interface can be successfully connected at will, which is a problem to be solved and has practical significance.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the USB connecting female socket with the self-adaptive plugging direction, which can realize that the direction does not need to be judged when the USB male connector is plugged with the female socket, and improve the use experience of the USB plug-in connector.

The technical solution of the invention is as follows:

a USB connecting female socket adaptive to a plugging direction comprises a metal shell, a terminal base, a floating socket and a terminal;

the metal shell is a rectangular shell with openings at two ends, the front end of the metal shell is a splicing end, and the rear end of the metal shell is a terminal end;

the terminal base is arranged in a terminal end of the metal shell, a through terminal hole is formed in the terminal base and used for inserting a terminal, the terminal comprises a power supply anode and a power supply cathode which are connected with a power supply, a data anode and a data cathode, terminal grooves are formed in a switching end face of the terminal base in the metal shell, the terminal holes are communicated with the corresponding terminal grooves, terminals of the power supply anode, the power supply cathode, the data anode and the data cathode respectively correspondingly penetrate through the terminal holes and are distributed in the terminal grooves in a bending mode, and the power supply anode and the power supply cathode form a switching structure of an anode and a cathode on the switching end face; a contact sheet groove is arranged between the positive electrode of the power supply and the negative electrode of the power supply at the corresponding position on the terminal groove;

the floating seat is arranged at a position in the metal shell outside the switching end face of the terminal base and is fixed on the shorter side wall of the metal shell through a sliding limiting mechanism, and the sliding limiting mechanism is a sliding connection structure which slides along a direction parallel to the switching end face; the floating seat is provided with a contact piece hole groove along the direction vertical to the switching end face, a contact piece is installed in the contact piece hole groove and comprises a first power supply contact piece and a second power supply contact piece, the switching ends of the first power supply contact piece and the second power supply contact piece are inserted into the corresponding contact piece grooves, the other contact ends of the first power supply contact piece and the second power supply contact piece form a bending structure which is arranged in the other end part of the floating seat, and one side of the bending structure can protrude out of the side face of the floating seat;

when the floating seat is pushed to a positive position and a negative position in the metal shell, the switching end of the first power supply contact piece is connected to the positive electrode of the power supply, the switching end of the second power supply contact piece is connected to the negative electrode of the power supply, or the switching end of the first power supply contact piece is connected to the negative electrode of the power supply, and the switching end of the second power supply contact piece is connected to the positive electrode of the power supply; when the floating seat is switched between a positive position and a negative position, the power supply first contact piece and the power supply second contact piece are respectively connected with the positive electrode of the power supply and the negative electrode of the power supply in a switching manner.

The USB connecting female socket capable of adapting to the plugging direction is characterized in that the data positive electrode and the data negative electrode form a positive-negative switching structure on the switching end face; a contact sheet groove is arranged between the data anode and the data cathode at the corresponding position on the terminal groove;

the contact pieces comprise a first data contact piece and a second data contact piece, the switching ends of the first data contact piece and the second data contact piece are inserted into corresponding contact piece grooves, the other contact ends of the first data contact piece and the second data contact piece form a bending structure arranged in the other end part of the floating seat, and one side of the bending structure can protrude out of one side face of the floating seat.

The female USB connecting seat capable of adapting to the plugging direction is characterized in that the outer end part of the floating seat is provided with a plugging guide inclined plane, and the plugging guide inclined plane inclines towards the side surface of the metal shell adjacent to the metal shell.

The female USB connecting seat capable of adapting to the plugging direction is characterized in that two opposite plugging guide inclined planes are arranged at the outer end part of the floating seat, the two plugging guide inclined planes incline towards the adjacent side faces of the metal shell respectively, and the distance between the top edge of each guide inclined plane and the inner side face of the metal shell at two sides is more than one third of the internal width of the metal shell.

The USB connecting female socket capable of adapting to the plugging direction is characterized in that elastic limiting mechanisms are arranged between two sides of the floating socket and the side wall of the metal shell or the terminal base.

The USB connecting female socket capable of adapting to the plugging direction is characterized in that the elastic part limiting mechanism is arranged on the sliding limiting mechanism.

The USB female connection seat capable of adapting to the plugging direction is characterized in that the elastic piece is a combination of an elastic piece vertically arranged on the bottom surface of the floating seat and a V-shaped groove structure arranged on the switching end surface and corresponding to the elastic piece in position.

The USB connecting female seat capable of adapting to the plugging direction is characterized in that the elastic piece is the end part of the contact piece, and the V-shaped groove is a V-shaped groove formed in the bottom of the contact piece groove.

From the above description, it is clear that the present invention has the following advantages:

according to the USB connecting female seat capable of adapting to the plugging direction, due to the effect of the sliding switching combination structure provided with the terminal base and the floating seat, when the USB male connector is plugged into the USB female seat, the USB connecting female seat can automatically adapt to the plugging direction of the USB male connector, and the polarity of the corresponding wiring terminal is adjusted, so that the correct connection of the polarity of the wiring terminal is ensured, the electrical performance of electronic components is protected, a user does not need to consider the direction problem in the plugging process of the USB connector, the accurate plugging connection effect can be achieved through plugging in any direction, and great convenience is provided for the user.

Drawings

FIG. 1 is a schematic partial cross-sectional view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

fig. 3 is a schematic diagram of the arrangement of the positive power supply electrode and the negative power supply electrode on the switching end face.

Main element number description:

the invention comprises the following steps:

1: the metal shell 2: the terminal base 3: floating seat

4: contact piece 5: contact end 6: power supply anode

7: contact piece groove 8: v-shaped groove 9: switching terminal

10: slide limit mechanism 11: the guide slope 13: negative pole of power supply

14: power source first contact 15: power supply second contact 62: long contact point

61: short contact point 131: long contact point 132: short contact point

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

In a preferred embodiment of the USB connecting female socket with a self-adaptive plugging direction of the present invention, please refer to fig. 1, the USB connecting female socket with a self-adaptive plugging direction of the present invention includes a metal shell 1, a terminal base 2, a floating seat 3 and a terminal; the metal shell 1 is a rectangular shell with two open ends, the front end of the metal shell is a plug-in end, and the rear end of the metal shell is a terminal end. The opening of the plug end is used for inserting the USB male connector, and the terminal end is provided with a connecting pin which can be connected with other structures and is used for being fixed on other carriers. As shown in the figure, the terminal base 2 is installed in the terminal end of the metal shell 1, a through terminal hole is formed in the terminal base for inserting a terminal, the terminal comprises a power supply anode 6 and a power supply cathode 13 which are connected with a power supply, and a data anode and a data cathode, a terminal groove is formed in the switching end face of the terminal base 2 located in the metal shell 1, the terminal hole is communicated with the corresponding terminal groove, the terminal hole and the terminal groove are of a corresponding communicated structure, and a single terminal can be embedded into the terminal groove after being inserted into the terminal hole. The terminals of the power supply anode 6, the power supply cathode 13, the data anode and the data cathode respectively correspondingly penetrate through the terminal holes and are bent and distributed in the terminal grooves, and the power supply anode 6 and the power supply cathode 13 form anode and cathode switching structures on the switching end faces; a contact sheet groove 7 is arranged between the power supply anode 6 and the power supply cathode 13 at the corresponding position on the terminal groove; as shown in fig. 2 and 3, on the switching end surface, the power supply positive electrode 6 is provided with a long contact point 62 and a short contact point 61 along the width direction, the power supply negative electrode 13 is provided with a normal contact point and a short contact point 132 along the width direction, the long contact point 62 of the power supply positive electrode 6 extends to a position corresponding to the short contact point 132 of the power supply negative electrode 13, and the normal contact point of the power supply negative electrode 13 extends to a position corresponding to the short contact point 132 of the power supply positive electrode 6; and contact slots 7 are respectively arranged between the long contact point 62 of the power anode 6 and the short contact point 132 of the power cathode 13, and between the long contact point 131 of the power cathode 13 and the short contact point 61 of the power anode 6, and used for accommodating contact pieces 4 extending to the positions. The contact piece 4 can realize the switching action between the positive electrode and the negative electrode through the moving switching of the floating seat 3, so that when the plugging direction of the USB male connector is changed, the corresponding wiring terminal can be reversed, and the polarity of the wiring terminal is ensured to be correct.

As shown in the figure, the floating seat 3 is installed at a position inside the metal housing 1 outside the switching end face of the terminal base 2, and is fixed on a shorter side wall of the metal housing 1 through a sliding limiting mechanism 10, wherein the sliding limiting mechanism is a sliding connection structure that slides along a direction parallel to the switching end face, namely on the side wall of the metal housing 1 in the width direction; i.e. along the width direction inside the metal shell 1, so that the floating seat 3 can be arranged corresponding to the opening position of the USB male connector. A contact piece hole groove is formed in the floating seat 3 in the direction perpendicular to the switching end face, contact pieces are installed in the contact piece hole groove and comprise a first power supply contact piece 14 and a second power supply contact piece 15, the switching ends 9 of the first power supply contact piece 14 and the second power supply contact piece 15 are inserted into the corresponding contact piece grooves 7, the other contact ends 5 of the first power supply contact piece and the second power supply contact piece are arranged in the other end portion of the floating seat 3 in a bending structure, and one side of the bending structure can protrude out of the side face of the floating seat 3; the contact piece hole groove is internally provided with a hole groove with an inclined pushing surface. As shown in the figure, the floating seat 3 is a plate body which is positioned on the terminal base 2 and can slide left and right, the floating seat 3 corresponds to the terminal structures distributed on the switching end face and is correspondingly provided with a contact sheet hole groove, the contact sheet terminal is a strip-shaped metal terminal, the first end of the contact sheet terminal, namely the switching end 9, extends into the contact sheet groove 7 on the switching end face, the other end of the contact sheet terminal, namely the contact end 5, is sunk into a bent shape, and the bent part protrudes out of two side faces of the floating seat 3 and is used for being in contact with a wiring terminal of a USB male connector. After the switching end 9 of the contact piece extends into the contact piece groove 7, along with the left-right sliding of the floating seat 3, the switching end 9 can move between the power supply anode 6 and the power supply cathode 13 in the contact piece groove 7, and can be electrically conducted with the power supply anode 6 or the power supply cathode 13 when moving to the positions of the power supply anode 6 or the power supply cathode 13 respectively. By pushing the floating seat 3 back and forth, the switching terminal 9 can be electrically connected to the long contact point 62 of the power source anode 6 and the short contact point 132 of the power source cathode 13, or the short contact point 61 of the power source anode 6 and the long contact point 131 of the power source cathode 13. Therefore, after the direction is changed, the direction of connection between the USB female socket wiring terminal and the USB male terminal wiring terminal is unchanged, and the problem of complex operation of inserting after the plugging direction needs to be judged is solved.

When the floating seat 3 is pushed to the positive position and the negative position in the metal shell 1, the switching end 9 of the power supply first contact piece 14 is connected to the power supply positive electrode 6, the switching end 9 of the power supply second contact piece 15 is connected to the power supply negative electrode 13, or the switching end 9 of the power supply first contact piece 14 is connected to the power supply negative electrode 13, and the switching end 9 of the power supply second contact piece 15 is connected to the power supply positive electrode 6; when the floating seat 3 is switched between a positive position and a negative position, the power supply first contact piece 14 and the power supply second contact piece 15 are respectively connected with the power supply positive electrode 6 and the power supply negative electrode 13 in a switching manner.

In the above USB connection female socket with adaptive plugging direction according to the present invention, in a preferred embodiment of the USB connection female socket, the data positive electrode and the data negative electrode form a positive-negative switching structure on the switching end surface; a contact sheet groove 7 is arranged between the data anode and the data cathode at the corresponding position on the terminal groove; the contact pieces comprise a first data contact piece and a second data contact piece, switching ends 9 of the first data contact piece and the second data contact piece are inserted into corresponding contact piece grooves 7, the other contact ends 5 of the first data contact piece and the second data contact piece form a bent structure and are arranged in the other end part of the floating seat 3, and one side of the bent structure can protrude out of one side surface of the floating seat 3; the contact piece hole groove is internally provided with a hole groove with an inclined pushing surface. In this embodiment, the data positive electrode and the data negative electrode are connected in the same manner as the aforementioned switching connection between the power positive electrode 6 and the power negative electrode 13, and the terminals of the data positive electrode and the data negative electrode are disposed at positions inside the terminals of the power positive electrode 6 and the power negative electrode 13. Preferably, the corresponding positive and negative switching structures on the terminal base and the floating seat can be realized by the distribution design of the switching end surfaces of a plurality of groups of positive and negative electrodes, wherein when the structures are set as a group of positive and negative electrodes of a power supply and a group of positive and negative electrodes of data, only two groups of switching points of the contact pieces in the same motion state need to be designed, and two groups, three groups or four groups of wiring terminals also only need to design a group of switching points for switching the positive and negative electrodes in corresponding quantity, and certainly need to be designed in the area range limited by the switching end surfaces and the floating seat. Preferably, the end portion of the switching end 9 is provided with a spherical structure.

In the above USB female connector holder with adaptive plugging direction according to the present invention, in a preferred embodiment, the outer end of the floating holder 3 is provided with a plugging guiding inclined plane 11, and the plugging guiding inclined plane 11 is inclined toward the side of the metal shell 1 adjacent to the side. As shown in the figure, the inserting guide inclined plane 11 is used for enabling the floating seat 3 to be pushed to the other side to give way to a corresponding position under the action force of the pushing of the fool-proof plate of the USB male head when the fool-proof plate of the USB male head is inserted, so that the USB male head can be smoothly inserted into the USB female seat, and the electrical connection of the terminal is realized.

In the above USB female connector with adaptive plugging direction according to the present invention, in a preferred embodiment, two opposite plugging guiding inclined planes 11 are disposed on the outer end of the floating seat 3, the two plugging guiding inclined planes 11 are respectively inclined toward the metal shell 1 and the adjacent side surfaces thereof, and the distance from the top edge of the guiding inclined plane 11 to the inner side surfaces of the metal shell 1 at the two sides is greater than the width of the USB male connector for preventing stiffness. As shown in the figure, the outer end of the floating seat 3 is provided with guiding inclined planes 11 inclined towards two sides, so that when the USB male plug is inserted in any direction, the floating seat 3 can be pushed by the fool-proof plate to move towards the direction without the fool-proof plate, thereby enabling the USB male plug to be smoothly inserted into the USB female plug. Preferably, the top edge between the two guiding inclined surfaces 11 is an edge structure with an arc chamfer.

In the above USB female connector with adaptive plugging direction according to the present invention, in a preferred embodiment, an elastic limiting mechanism is disposed between two sides of the floating seat 3 and the side wall of the metal shell 1 or the terminal base 2. Through set up elasticity stop gear between floating seat 3 and metal casing 1 lateral wall or the terminal base 2, can be used for keeping floating seat 3 to be in an initial position when not having the public head of USB to insert, for example, push up through elasticity stop gear when the initial position of floating seat 3 is located one of them side, can make the public head of USB peg graft when, especially blind plug, there is 50% probability to need not to promote floating seat 3 removes, can accomplish the grafting action to movable structure's removal has been reduced, has improved the life of product. Or the initial position of the floating seat 3 is kept to be located at the middle position in the metal shell 1 through the elastic limiting mechanism, so that each plugging action can be realized only by moving the floating seat 3 for a determined distance, and the determined distance is one half of the movable range of the floating seat 3, so that the moving distance of the floating seat 3 is reduced to the maximum extent under the condition of more use frequency, and the strength requirement of elastic support of the elastic piece is also reduced.

In the above USB connection female socket with adaptive plugging direction according to the present invention, in a preferred embodiment, the elastic limiting mechanism is disposed on the sliding limiting mechanism 10. When the elastic limiting mechanism is arranged on the sliding limiting mechanism 10, the accuracy and the stability of the initial position of the floating seat 3 can be more effectively controlled.

In the above USB connection female socket with adaptive plugging direction according to the present invention, in a preferred embodiment of the USB connection female socket, the elastic limiting mechanism is a combination of an elastic member vertically disposed on the bottom surface of the floating seat 3 and a V-shaped groove 8 structure disposed on the switching end surface and corresponding to the position of the elastic member. In this embodiment, the elastic component can set up in 3 bottoms faces of floating seat, and just right switch the terminal surface setting, outstanding 3 bottoms faces of floating seat extend to set up in the V-arrangement groove 8 on 3 switching terminal surfaces of floating seat, and V-arrangement groove 8 set up in terminal base 2's width direction's intermediate position, through the limiting displacement in V-arrangement groove 8 when floating seat 3 is not promoted, via the limiting displacement in elastic component and V-arrangement groove 8, the elastic component can be in the middle part position in V-arrangement groove 8, thereby will floating seat 3 control is on appointed initial position. Of course, it is preferable that the elastic member is also provided at a widthwise central line position of the bottom surface of the floating mount 3 so that the initial position of the floating mount 3 is located at a widthwise intermediate position. It is also possible to position said elastic element on the bottom surface of floating seat 3 offset from the median line, as required, for example when it is desired to control the positioning of said floating seat 3 on one of its sides as initial position.

In the above USB female connector with adaptive plugging direction according to the present invention, in a preferred embodiment, the elastic element is the end of the contact, and the V-shaped groove 8 is a V-shaped groove 8 disposed at the bottom of the contact groove 7. Preferably, the elastic member of the present invention may be of the same structure as the contact piece, and the elastic contact piece extends out of the bottom surface of the floating seat 3 to a V-shaped groove 8 formed in a contact piece groove 7, so as to achieve the limiting function of the elastic limiting mechanism. When the USB male plug is pulled away, the floating seat 3 will return to the initial position by the elastic force.

According to the USB connecting female seat capable of adapting to the plugging direction, due to the effect of the sliding switching combination structure provided with the terminal base 2 and the floating seat 3, when a USB male head is plugged into the USB female seat, the USB connecting female seat can automatically adapt to the plugging direction of the USB male head, and the polarity of a corresponding wiring terminal is adjusted, so that the correct connection of the polarity of the wiring terminal is ensured, the electrical performance of electronic components is protected, a user does not need to consider the direction problem in the plugging process of a USB connector, the accurate plugging connection effect can be achieved in any plugging direction, and great convenience is provided for the user.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.