CN210491318U - Gasket, circuit board device and terminal equipment - Google Patents

Abstract

The utility model discloses a gasket is applied to circuit board device, gasket (400) are including connecting portion (410) and atress portion (420), atress portion (420) is including multilayer thin slice (421), multilayer thin slice (421) with connecting portion (410) are connected perpendicularly, just multilayer thin slice (421) are followed the extending direction interval distribution of connecting portion (410), through-hole (4211) have all been seted up to multilayer thin slice (421), and every layer through-hole (4211) of thin slice (421) are in projection on the extending direction of connecting portion (410) coincides mutually. The utility model discloses a circuit board device and terminal equipment. The problem that the current circuit board device is unstable in structure can be solved by the scheme.

Description

Gasket, circuit board device and terminal equipment

Technical Field

The utility model relates to a terminal equipment accessory designs technical field, especially relates to a gasket, circuit board device and terminal equipment subassembly.

Background

With the increase of user demands, the functions of the current terminal equipment are more and more, and accordingly, the number of electronic devices integrated in the terminal equipment is more and more. In consideration of the portability of the terminal device, the overall size of the terminal device is not increased accordingly, and the internal space of the housing of the terminal device is not increased accordingly. How to arrange a larger number of electronic devices in a limited space in the housing is a key point of current terminal equipment design.

The electronics of the terminal device are mostly integrated on a circuit board within the housing. In order to solve the problem that the layout space of the circuit boards is not enough, the current terminal equipment adopts a circuit board device with a multilayer structure, the circuit board device comprises at least two layers of circuit boards which are stacked together, and the adjacent two layers of circuit boards are supported through a bracket type circuit board, so that the opposite surfaces of the adjacent two layers of circuit boards can be arranged on an electronic device, the circuit board device with the structure can fully utilize the space in the thickness direction of the electronic equipment, and the purpose of providing more mounting positions is achieved.

Referring to fig. 1, in order to ensure the electrical connection between two adjacent circuit boards, the bracket circuit board 101 and the circuit boards (the first circuit board 102 and the second circuit board 103) on two sides thereof are connected by at least two solder members 104 spaced apart from each other. After the entire circuit board assembly is assembled, the entire circuit board assembly is usually fixed to a base member 106 (e.g., an upper board cover or a lower board cover of a terminal device) by a screw connector 105, so as to ensure stability of fixing various parts of the circuit board assembly.

Since the first circuit board 102 and the cradle circuit board 101 and the second circuit board 103 and the cradle circuit board 101 are supported by the solder 104, the solder 104 near the screw 105 is compressed by the fastening force of the screw 105, and the solder 104 far from the screw 105 is pulled, as shown in fig. 2. It is obvious that the circuit board device with such a structure has a problem of unstable structure, which in turn may result in an increased risk of failure of the circuit board device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a circuit board device and terminal equipment to there is the unstable problem of structure in solving present circuit board device.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a gasket, is applied to the circuit board device, the gasket includes connecting portion and atress portion, the atress portion includes multilayer thin slice, multilayer thin slice with connecting portion connect perpendicularly, just multilayer thin slice is followed the extending direction interval distribution of connecting portion, the through-hole has all been seted up to multilayer thin slice, and every layer the through-hole is in the projection of the extending direction of connecting portion coincides mutually.

Preferably, in the gasket, the shape of the multilayer sheet is the same.

Preferably, in the gasket, one end of the sheet, which is far away from the connecting portion, has an arc-shaped edge, and a distance between the through hole and the connecting portion is greater than a distance between the through hole and the arc-shaped edge.

Preferably, in the gasket, the force receiving portion includes four layers of the sheet, and the thickness of each layer of the sheet is the same.

Preferably, in the gasket, the connecting portion and the force receiving portion are an integrated structural member.

Preferably, in the gasket, the connecting portion is a sheet-like connecting portion.

A circuit board arrangement comprising a spacer as described above.

Preferably, in the above circuit board device, the circuit board device includes a first circuit board, a second circuit board, and a support circuit board supported between the first circuit board and the second circuit board, the sheets are disposed between the first circuit board and the support circuit board and between the support circuit board and the second circuit board, the first circuit board, the second circuit board, and the support circuit board are fixedly connected by a threaded connector, and the threaded connector passes through the through hole of each sheet.

Preferably, in the above circuit board device, a side surface of the first circuit board, a side surface of the second circuit board, and a side surface of the holder circuit board are all in contact with the connecting portion.

A terminal device comprising a circuit board arrangement as described above.

The utility model discloses a technical scheme can reach following beneficial effect:

the utility model discloses a gasket can use in the circuit board device, and the thin slice that atress portion contains can support between the adjacent two-layer circuit board of circuit board device to can improve the contact support area between the adjacent two-layer circuit board, reach the target of spreading out connecting stress, avoid the great stability problem of bringing of junction connecting stress among the circuit board device.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof illustrate and explain the invention and do not constitute an undue limitation on the invention. In the drawings:

fig. 1 is a schematic structural diagram of a circuit board device disclosed in the prior art;

FIG. 2 is a schematic view of a prior art circuit board assembly;

fig. 3 is a schematic view illustrating an installation of a circuit board device according to an embodiment of the present invention;

fig. 4 is a sectional view of a part of the structure of a circuit board device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a gasket according to an embodiment of the present invention.

Description of reference numerals:

101-cradle, 102-first, 103-second, 104-solder, 105-screw, 106-base,

100-a first circuit board,

200-a second circuit board,

300-support circuit board,

400-gasket, 410-connecting part, 420-stress part, 421-flake, 4211-through hole,

500-thread connector, 510-nut, 520-screw rod,

600-installation foundation,

700-welding part.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-5, an embodiment of the present invention discloses a gasket 400, and the disclosed gasket 400 is applied to a circuit board device. The disclosed gasket 400 includes a connection portion 410 and a force receiving portion 420.

The force receiving portion 420 includes a plurality of thin sheets 421, and each thin sheet 421 is disposed between two adjacent circuit boards of the circuit board arrangement, thereby functioning as a support.

The multi-layer sheets 421 are vertically connected to the connection portions 410, and the multi-layer sheets 421 are spaced apart from each other along the extending direction of the connection portions 410, so that the thickness of the circuit board can be adapted between the adjacent two layers of sheets 421. Preferably, the plurality of sheets 421 are equally spaced along the extending direction of the connection portion 410. The plurality of sheets 421 are each provided with a through hole 4211, and projections of the through holes 4211 of each sheet 421 in the extending direction of the connecting portion 410 coincide, so that a connecting member (typically, a screw connecting member) of the circuit board device can pass through the through holes 4211.

The embodiment of the utility model discloses gasket 400 can use in the circuit board device, and thin slice 421 that atress portion 420 contains can support between the adjacent two-layer circuit board of circuit board device to can improve the contact support area between the adjacent two-layer circuit board, reach the target of release connection stress, avoid the great stability problem of bringing of junction connection stress among the circuit board device.

In a preferred embodiment, the shape of the multi-layer sheets 421 may be the same, in which case, the dimension of the multi-layer sheets 421 is the same, so as to facilitate the production of the whole gasket 400.

The shape of the sheet 421 may be various, in a preferable scheme, one end of the sheet 421 away from the connection portion 410 may have an arc-shaped edge, a distance between the through hole 4211 and the connection portion 410 is greater than a distance between the through hole 4211 and the arc-shaped edge, and one end of the sheet 421 away from the connection portion 410 has an arc-shaped edge, which is beneficial for inserting and assembling the sheet 421 to two adjacent layers of circuit boards in the circuit board device during an assembling process, and meanwhile, the distance between the through hole 4211 and the connection portion 410 is greater, so that a scene that a connection position of the circuit board device is farther from the edge thereof can be more easily adapted.

The embodiment of the utility model provides an in the gasket 400 disclosed, the quantity of thin slice 421 is a plurality of, the embodiment of the utility model provides a do not restrict the concrete quantity of thin slice 421. Generally, the circuit board assembly includes at least a first circuit board 100, a second circuit board 200 and a support circuit board 300, and the force-receiving portion 420 may include four layers of sheets 421 for better supporting. Specifically, the thickness of each sheet 421 may be equal to provide uniform support.

For convenience of manufacture, in a preferable scheme, the connecting portion 410 and the force-receiving portion 420 are an integrated structural member, and such a structure has the advantages of convenience in manufacture, relatively stable and simple structure, and the like. In order to reduce the occupied space, in a preferable scheme, the connection portion 410 may be a sheet-shaped connection portion.

Based on the utility model discloses gasket 400, the embodiment of the utility model discloses a circuit board device, disclosed circuit board device include above embodiment gasket 400.

The embodiment of the utility model discloses circuit board device can include first circuit board 100, second circuit board 200 and support circuit board 300 between first circuit board 100 and second circuit board 200, and is specific, all can link to each other through welding part 700 welding in advance between first circuit board 100 and support circuit board 300 and the second circuit board 200. Sheets 421 are arranged between the first circuit board 100 and the support circuit board 300 and between the support circuit board 300 and the second circuit board 200, the sheets 421 protect the above circuit boards, and the first circuit board 100, the second circuit board 200 and the support circuit board 300 are fixedly connected by a threaded connector 500, and the threaded connector 500 passes through a through hole 4211 of each sheet 421.

Further, the first circuit board 100 and the second circuit board 200 may also be provided with a sheet 421 on a side away from the bracket circuit board 300, so as to increase the pre-tightening force.

The embodiment of the utility model discloses among the circuit board device, the side of first circuit board 100, the side of second circuit board 200 and the side of support circuit board 300 all can contact with connecting portion 410 to improve the assembly stability of gasket 400, certainly also be favorable to making the assembly of circuit board device compacter.

In order to further improve the stability of connection, in a more preferred scheme, the number of the threaded connection members 500 is at least two, at least two threaded connection members 500 are dispersedly arranged, and the threaded connection members 500 are matched with the gaskets 400 in a one-to-one correspondence manner, so that the optimized supporting connection of each connection part of the circuit board device is realized.

Based on the embodiment of the utility model discloses circuit board device, the embodiment of the utility model discloses a terminal equipment, disclosed terminal equipment include above embodiment circuit board device. Specifically, the terminal device includes a housing, the housing includes a mounting base 600, the first circuit board 100, the second circuit board 200 and the support circuit board 300 of the circuit board apparatus are all fixed on the mounting base 600 through a threaded connector 500, specifically, a nut 510 of the threaded connector 500 abuts against a sheet 421, and a screw 520 of the threaded connector 500 is fixedly matched with a threaded hole on the mounting base 600 after passing through each circuit board and a through hole 4211.

The embodiment of the utility model provides a disclosed terminal equipment can be equipment such as cell-phone, panel computer, electronic book reader, game machine, intelligent wrist-watch, the embodiment of the utility model provides a do not restrict terminal equipment's specific kind.

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above description is only an example of the present invention, and the present invention is not limited thereto. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. The gasket is applied to a circuit board device and is characterized in that the gasket (400) comprises a connecting portion (410) and a stress portion (420), the stress portion (420) comprises a plurality of layers of thin sheets (421), the plurality of layers of thin sheets (421) are perpendicularly connected with the connecting portion (410), the plurality of layers of thin sheets (421) are distributed at intervals along the extending direction of the connecting portion (410), through holes (4211) are formed in the plurality of layers of thin sheets (421), and projections of the through holes (4211) of each layer of thin sheets (421) in the extending direction of the connecting portion (410) are overlapped.

2. Gasket according to claim 1, characterized in that said multilayer foils (421) are identical in shape.

3. Gasket according to claim 2, characterized in that the end of the sheet (421) remote from the connection portion (410) has an arc-shaped edge, the distance of the through hole (4211) from the connection portion (410) being greater than the distance of the through hole (4211) from the arc-shaped edge.

4. The gasket of claim 1, wherein the force receiving portion (420) comprises four layers of the sheet (421), and each layer of the sheet (421) has the same thickness.

5. The spacer of claim 1, wherein the connecting portion (410) and the force receiving portion (420) are a unitary structural member.

6. The gasket of claim 1, wherein the connecting portion (410) is a sheet-like connecting portion.

7. A circuit board arrangement comprising a spacer (400) according to any of claims 1-6.

8. The circuit board device according to claim 7, wherein the circuit board device comprises a first circuit board (100), a second circuit board (200) and a support circuit board (300) supported between the first circuit board (100) and the second circuit board (200), the tabs (421) are disposed between the first circuit board (100) and the support circuit board (300) and between the support circuit board (300) and the second circuit board (200), the first circuit board (100), the second circuit board (200) and the support circuit board (300) are fixedly connected through a screw connector (500), and the screw connector (500) passes through the through hole (4211) of each tab (421).

9. The circuit board arrangement according to claim 8, characterized in that the side of the first circuit board (100), the side of the second circuit board (200) and the side of the carrier circuit board (300) are in contact with the connection portion (410).

10. A terminal device, characterized in that it comprises a circuit board arrangement according to any one of claims 7-9.

Images