阅读说明：本技术 终端设备 (Terminal device ) 是由 李传顺 矫宝龙 任维波 单保罗 于 2021-08-17 设计创作，主要内容包括：本发明提出一种终端设备,包括：包括：机壳；合金板,设置在所述机壳内部,所述合金板上设置有至少两个第一固定槽；第一磁性元件,分别设置在所述第一固定槽内；柔性电路板组件,其上设置有与所述第一固定槽对应的第二固定槽；第二磁性元件,在所述第二固定槽内设置有与所述第一磁性元件对应的所述第二磁性元件,所述第一磁性元件与对应的所述第二磁性元件通过异极相吸以将所述柔性电路板组件固定在所述合金板上。本发明的终端设备在柔性电路板组件上设置有第一磁性元件,在机壳内部的合金板上设置有第二磁性元件,通过磁极的异极相吸将柔性电路板组件固定连接于合金板上,取消了柔性电路板组件与合金板间的双面胶,提高了安装位置的准确度。(The invention provides a terminal device, comprising: the method comprises the following steps: a housing; the alloy plate is arranged inside the shell and provided with at least two first fixing grooves; first magnetic elements respectively arranged in the first fixing grooves; a flexible circuit board assembly on which a second fixing groove corresponding to the first fixing groove is provided; and the second magnetic element corresponding to the first magnetic element is arranged in the second fixing groove, and the first magnetic element and the corresponding second magnetic element are attracted through opposite poles so as to fix the flexible circuit board assembly on the alloy plate. According to the terminal equipment, the first magnetic element is arranged on the flexible circuit board assembly, the second magnetic element is arranged on the alloy plate in the shell, the flexible circuit board assembly is fixedly connected to the alloy plate through opposite poles of the magnetic poles, double-sided adhesive tape between the flexible circuit board assembly and the alloy plate is omitted, and accuracy of a mounting position is improved.)

1. A terminal device, comprising:

a housing;

the alloy plate is arranged inside the shell and provided with at least two first fixing grooves;

first magnetic elements respectively arranged in the first fixing grooves;

a flexible circuit board assembly on which a second fixing groove corresponding to the first fixing groove is provided;

and the second magnetic element corresponding to the first magnetic element is arranged in the second fixing groove, and the first magnetic element and the corresponding second magnetic element are attracted through opposite poles so as to fix the flexible circuit board assembly on the alloy plate.

2. The terminal device of claim 1,

a positioning groove is formed in the machine shell, and the flexible circuit board assembly is partially embedded in the positioning groove.

3. The terminal device of claim 2,

the shell is internally provided with a key hole which is horizontally arranged, one end of the key hole is communicated to the positioning groove, and the other end of the key hole is communicated to the outside of the shell.

4. The terminal device of claim 2, wherein:

the constant head tank has the open end, the open end of constant head tank is equipped with the support, the support butt the flexible circuit board subassembly is in order to right the flexible circuit board subassembly is spacing.

5. The terminal device of claim 4, wherein:

the flexible circuit board assembly includes:

the second fixing groove is formed in the first reinforcing plate;

the flexible circuit board is connected with the first reinforcing plate;

and the Dome sheet is arranged on the flexible circuit board.

6. The terminal device of claim 5, wherein:

and a sealing ring is arranged in the keyhole, one end of the sealing ring is an open end, the other end of the sealing ring is a sealed end, the sealed end of the sealing ring is abutted against the Dome sheet, and the open end of the sealing ring faces the outside of the shell.

7. The terminal device of claim 6, wherein:

the button is inserted into the sealing ring from the open end of the sealing ring.

8. The terminal device of claim 6, wherein:

and a second reinforcing plate is arranged in the sealing ring and is annularly injected inside the opening end of the sealing ring.

9. The terminal device of claim 6, wherein:

the sealing ring is provided with a raised rib which is arranged around the periphery of the sealing ring.

10. The terminal device of claim 9, wherein:

the raised ribs form positional interference with the keyholes.

Technical Field

The invention belongs to the technical field of terminals, and particularly relates to a terminal device.

Background

In the prior art, a key is one of the indispensable functional structural components in the terminal equipment. The double faced adhesive tape is pasted on the flexible circuit board assembly of button department to traditional scheme, pastes flexible circuit board and the inside alloy board of casing in order to fix it through the double faced adhesive tape, nevertheless because flexible circuit board easily leads to the double faced adhesive tape to touch the alloy lateral wall too early in the assembling process, leads to the flexible circuit board assembly often to assemble not in place, causes flexible circuit board assembly's assembly precision relatively poor, and then leads to the operation synchronism relatively poor of button feeling.

The invention is provided in view of the above.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. For this purpose,

the invention provides a terminal device, which cancels double-sided adhesive tape between a flexible circuit board assembly and an alloy plate and improves the accuracy of a mounting position.

In order to achieve the above object, an embodiment of the present invention provides a terminal device, including: a housing; the alloy plate is arranged inside the shell and provided with at least two first fixing grooves; first magnetic elements respectively arranged in the first fixing grooves; a flexible circuit board assembly on which a second fixing groove corresponding to the first fixing groove is provided; and the second magnetic element corresponding to the first magnetic element is arranged in the second fixing groove, and the first magnetic element and the corresponding second magnetic element are attracted through opposite poles so as to fix the flexible circuit board assembly on the alloy plate.

According to the terminal equipment, the first magnetic element is arranged on the flexible circuit board assembly, the second magnetic element is arranged on the alloy plate in the shell, the flexible circuit board assembly is fixedly connected to the alloy plate through opposite poles of the magnetic poles, double-sided adhesive tape between the flexible circuit board assembly and the alloy plate is omitted, and accuracy of a mounting position is improved.

In addition, the terminal device according to the above embodiment of the present invention may further have the following additional technical features:

in some embodiments of the present application, the flexible circuit board assembly comprises: the second fixing groove is formed in the first reinforcing plate; the flexible circuit board is connected with the first reinforcing plate; and the Dome sheet is arranged on the flexible circuit board.

In some embodiments of the present application, a positioning groove is provided in the housing, and the flexible circuit board assembly is partially embedded in the positioning groove, so as to fix and limit the degree of freedom of the flexible circuit board assembly.

In some embodiments of the present application, a horizontally disposed key hole is disposed in the casing, and one end of the key hole is communicated to the positioning groove, and the other end of the key hole is communicated to the outside of the casing.

In some embodiments of this application, the constant head tank has the open end, the open end of constant head tank is equipped with the support, the support butt flexible circuit board subassembly is in order right the flexible circuit board subassembly is spacing to restrict the flexible circuit board in the constant head tank, can prevent flexible circuit board at constant head tank internal rotation or roll-off constant head tank.

In some embodiments of the present application, a sealing ring is disposed in the keyhole, one end of the sealing ring is an open end, the other end of the sealing ring is a sealed end, the sealed end of the sealing ring abuts against the Dome sheet, and the open end of the sealing ring faces the outside of the enclosure.

In some embodiments of the present application, the flexible printed circuit board further includes a key, the key is inserted into the sealing ring from the open end of the sealing ring, and the Dome sheet is triggered by pressing the key to turn on the current of the flexible printed circuit board.

In some embodiments of this application, be provided with the second stiffening plate in the sealing washer, the second stiffening plate is that the annular is moulded plastics the inside of the open end of sealing washer, and the second stiffening plate can play the supporting role to the sealing washer, guarantees that the sealing washer does not take place to warp in the assembling process to be favorable to the assembly of sealing washer and further improved the sealed waterproof performance after the sealing washer assembly.

In some embodiments of the present application, a raised rib is disposed on the seal ring, the raised rib being disposed around a periphery of the seal ring.

In some embodiments of the present application, the protruding rib and the key hole form a positional interference, which is beneficial to enhancing the waterproof sealing performance at the key.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a flexible circuit board assembly of a terminal device according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating an assembly of a first magnetic element of a terminal device according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating an assembly of a key and a sealing ring of a terminal device according to an embodiment of the present invention;

fig. 4 is a first schematic view of the assembly of the flexible circuit board assembly of the terminal device according to the embodiment of the invention;

fig. 5 is a second schematic view of the assembly of a flexible circuit board assembly of a terminal device according to an embodiment of the present invention;

fig. 6 is a third schematic view of the assembly of the flexible circuit board assembly of the terminal device according to the embodiment of the invention;

fig. 7 is a schematic structural diagram of a first reinforcing plate and a second magnetic element of a terminal device according to an embodiment of the present invention;

fig. 8 is a second schematic view illustrating assembly of a flexible circuit board assembly of a terminal device according to an embodiment of the present invention.

In the above figures: 1. a housing; 11. positioning a groove; 12. a keyhole; 2. an alloy plate; 21. a first fixing groove; 22. an avoidance groove; 3. a first magnetic element; 4. a second magnetic element; 5. a flexible circuit board assembly; 51. a first reinforcing plate; 511. a second fixing groove; 52. a flexible circuit board; 53. a Dome sheet; 6. a support; 7. a seal ring; 71. an open end; 72. sealing the end; 73. a raised rib; 8. pressing a key; 9. a second reinforcing plate; 10. and sealing the double-sided adhesive tape.

Detailed Description

The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the present embodiment proposes a terminal device, and the terminal device of the present embodiment includes a housing 1, an alloy plate 2, a flexible circuit board assembly, a first magnetic element 3, and a second magnetic element 4.

The casing 1 forms a shell of the terminal device, a key hole 12 is horizontally arranged in the casing 1, one end of the key hole 12 is communicated to the positioning groove 11, and the other end is communicated to the outside of the casing 1. A seal ring 7 is arranged in the keyhole 12, one end of the seal ring 7 is an open end 71, the other end is a sealed end 72, the sealed end 72 of the seal ring 7 is abutted against the Dome sheet 53 of the flexible circuit board assembly 5, and the open end 71 of the seal ring 7 faces the outside of the casing 1.

The key hole 12 is provided with a key 8, and the key 8 is inserted into the seal ring 7 from the open end 71 of the seal ring 7. The user makes the button 8 touch the Dome sheet 53 when the interval sealing washer 7 through pressing the button 8, and when the Dome sheet 53 received to press, the central point of metal shrapnel was recessed, contacted the circuit on the flexible circuit board 52 to form the return circuit, make the electric current pass through, and then whole terminal equipment just can normally work.

The sealing ring 7 is provided with a protruding rib 73, and the protruding rib 73 is arranged around the periphery of the sealing ring 7. When the seal ring 7 is assembled into the keyhole 12, the raised rib 73 and the keyhole 12 form position interference, which is beneficial to enhancing the sealing and waterproof performance of the key 8.

The sealing ring 7 is internally provided with a second reinforcing plate 9, and the second reinforcing plate 9 is annularly arranged, is arranged inside the open end 71 of the sealing ring 7 and is integrated with the open end 71 of the sealing ring 7 by injection molding. The second reinforcing plate 9 can support the sealing ring 7, and the sealing ring 7 is guaranteed not to deform in the assembling process, so that the assembly of the sealing ring 7 is facilitated, and the sealing waterproof performance of the assembled sealing ring 7 is further improved.

The sealing double-sided adhesive tape 10 is adhered to the open end 71 of the sealing ring 7, after the sealing ring 7 is assembled into the keyhole 12, the sealing double-sided adhesive tape 10 adhered to the open end 71 of the sealing ring 7 is adhered to the machine shell 1, so that the sealing ring 7 is fixedly connected with the machine shell 1 through adhesion, the sealing ring 7 is firmly fixed on the machine shell 1, the sealing ring 7 is prevented from offsetting, the coaxiality offset between the center of the Dome sheet 53 and the center of the sealing ring 7 is prevented, and the normal use of the terminal equipment and the use experience when a user presses the key 8 are prevented from being influenced.

The flexible circuit board assembly 5 includes a first reinforcing plate 51, a flexible circuit board 52, and a Dome sheet 53.

The first reinforcing plate 51 is a metal plate, so that the flexibility of the flexible circuit board 52 is improved, the strength of the plugging portion is improved, and the terminal equipment is convenient to assemble integrally. The first reinforcing plate 51 is provided with a second fixing groove 511, the flexible circuit board 52 is adhered to the first reinforcing plate 51, and the Dome sheet 53 is disposed on the flexible circuit board 52.

The Dome sheet (metal Dome switch) is a PET (polyethylene terephthalate) sheet containing a metal Dome sheet (Dome sheet), is used as a switch on a printed circuit board or a flexible circuit board and the like, and plays an important role of a touch switch between a user and equipment. Compared with the traditional silica gel key, the Dome sheet 53 has better hand feeling and longer service life.

Specifically, the metal Dome sheet on the Dome sheet 53 is located at a conductive position on the flexible circuit board 52, and when the Dome sheet is pressed, a central point of the metal Dome sheet is recessed and contacts with a circuit on the flexible circuit board 52, so that a loop is formed, current passes through the loop, and the whole terminal device can normally work.

The alloy plate 2 is disposed inside the cabinet 1, the alloy plate 2 is provided with first fixing grooves 21, and the first magnetic elements 3 are respectively disposed in the two first fixing grooves 21. In this embodiment, be provided with two first fixed slots 21 on alloy board 2, magnetic element adopts magnet, magnet in two first fixed slots 21, magnetic pole in same direction is opposite, being provided with of two second magnetic element 4 does benefit to and prevents that flexible circuit board 52 from taking place the angular rotation in constant head tank 11, make flexible circuit board 52's assembly precision higher, and then make Dome piece 53 in the flexible circuit board subassembly 5 more accurate with the assembly positioning of the sealing washer 7 that corresponds, make Dome piece 53's center higher with the axiality at the center of sealing washer 7, make the feel uniformity that presses of button 8 stronger, user uses experience and can improve.

The first reinforcing plate 51 of the flexible circuit board assembly 5 is provided with a second fixing groove 511 corresponding to the first fixing groove 21. In this embodiment, the first reinforcing plate 51 is a strip-shaped metal plate, and the two second fixing slots 511 are distributed along the length direction of the first reinforcing plate 51.

A second magnetic element 4 corresponding to the first magnetic element 3 is disposed in the second fixing groove 511, and the magnetic pole of the second magnetic element 4 is opposite to the magnetic pole of the corresponding first magnetic element 3, and the flexible circuit board assembly 5 is fixed on the alloy plate 2 by the opposite poles of the magnetic poles being attracted. Wherein, the magnetic poles on the same alloy plate 2 are set to be opposite magnetic poles, which is beneficial to improving the accuracy of the assembly positioning of the flexible circuit board assembly 5.

A positioning groove 11 is provided in the housing 1, and the flexible circuit board 52 of the flexible circuit board assembly 5 is partially fitted in the positioning groove 11. The positioning slot 11 has an open end, the bracket 6 is disposed at the open end 71 of the positioning slot 11, and after the flexible circuit board 52 is assembled in the positioning slot 11, the bracket 6 abuts against the flexible circuit board 52 so as to limit the degree of freedom of the flexible circuit board 52, so that the flexible circuit board 52 is limited in the positioning slot 11, and the flexible circuit board 52 is prevented from rotating in the positioning slot 11 or sliding out of the positioning slot 11.

When the flexible circuit board 52 is installed in the positioning groove 11, the bottom surface of the positioning groove 11 positions the bottom surface of the flexible circuit board 52 in the Z direction, and a gap between the flexible circuit board 52 and the bottom surface of the positioning groove 11 is reserved by 0.05 mm. The flexible circuit board 52 is connected with the first reinforcing plate 51 through adhesion, and the first reinforcing plate 51 is tightly attached to the alloy plate 2 through magnetic attraction, so that no gap exists between the first reinforcing plate 51 and the alloy plate. The side surfaces of the positioning grooves 11 position the flexible circuit board 52 in the X direction and the Y direction. The alloy plate 2 accurately positions the first reinforcing plate 51, the side face, deviating from the alloy plate 2, of the positioning groove 11 in the X direction roughly positions the flexible circuit board 52, and the reserved gap of the rough positioning is 0.1 mm. The side of constant head tank 11 on the Y direction carries out coarse positioning to flexible circuit board 52, this coarse positioning's reservation clearance is 0.1mm, be favorable to flexible circuit board 52 angle not to deflect in the assembling process, improve the degree of accuracy of assembly, and then make Dome piece 53 in the flexible circuit board subassembly 5 more accurate with the assembly positioning of the sealing washer 7 that corresponds, make the axiality at Dome piece 53's center and sealing washer 7's center higher, make the feel uniformity that presses of button 8 stronger, user uses experience and can improve.

Meanwhile, when the flexible circuit board 52 of the present embodiment is assembled into the positioning groove 11, the flexible circuit board 52 can be fixed on the alloy plate 2 by means of the magnetic force generated between the first magnetic element 3 and the second magnetic element 4. The magnetic field is arranged between the first magnetic element 3 and the second magnetic element 4, and has the function of accurately positioning the centers of the first magnetic element 3 and the corresponding second magnetic element 4, so that in the process of assembling the flexible circuit board 52 into the positioning groove 11, the magnetic field enables the flexible circuit board 52 and the alloy plate 2 not to be angularly deflected in the positioning process, and the assembling accuracy is further improved. In the embodiment, double-sided adhesive tape pasted between the flexible circuit board assembly 5 and the alloy plate 2 is eliminated, and the accuracy of the mounting position of the circuit board is improved.

In this embodiment, the edge of the first fixing groove 21 is provided in a convex shape. Correspondingly, the periphery of the second fixing groove 511 is recessed, that is, an avoiding groove 22 is provided around the second fixing groove 511 for cooperatively avoiding the first fixing groove 21. After the first magnetic element 3 is glued in the first fixing groove 21, the flexible circuit board assembly 5 adhered with the second magnetic element 4 is assembled into the positioning groove 11 along the Z-axis direction, and the flexible circuit board assembly 5 is accurately fixed on the alloy plate 2 through the magnetic force of opposite poles attraction between the first magnetic element 3 and the second magnetic element 4. The setting of dodging groove 22 is favorable to assembling first stiffening plate 51 on the one hand, and on the other hand is favorable to the edge of the protruding form through first fixed slot 21 and the cooperation of dodging groove 22, comes further restriction flexible circuit board assembly 5's position, prevents that flexible circuit board assembly 5 from taking place the angular rotation after the assembly, and then improves the axiality at the center of Dome piece 53 and the center of sealing washer 7 to influence the normal use of terminal equipment and influence the use experience when the user presses button 8.

Referring to fig. 8, in other embodiments of the present application, two or three and a plurality of Dome sheets 53 may be disposed on the same flexible circuit board 52, and when two Dome sheets 53 are adopted, the two Dome sheets 53 are respectively disposed corresponding to the two seal rings 7, that is, two keys 8 are correspondingly disposed on the same flexible circuit board assembly 5, and corresponding functions can be realized by independently pressing the two keys 8. Since the connection manner of the magnetic elements of the flexible circuit board 52 in the above embodiment is adopted, the same beneficial effects as those in the above embodiment are obtained, and no further description is given here.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.