CN218920804U

CN218920804U - Extrusion fixing device is prevented to double-deck flexible line way board

Info

Publication number: CN218920804U
Application number: CN202320189664.1U
Authority: CN
Inventors: 胡立存
Original assignee: Shenzhen Lihua New Circuit Board Co ltd
Current assignee: Shenzhen Lihua New Circuit Board Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-04-25
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses an anti-extrusion fixing device for a double-layer flexible circuit board, which comprises a double-layer flexible circuit board body composed of a circuit board and flexible belts, and also comprises a mounting plate and edge parts symmetrically arranged on two opposite side walls of the mounting plate, wherein the circuit board is respectively and movably arranged on the two opposite side walls of the mounting plate, cover plates are respectively and hinged on the edge parts, and a plurality of limit posts arranged on the outer wall of one side of the cover plates are respectively matched with mounting holes formed in the circuit board. According to the fixing device provided by the utility model, the circuit board is placed on the two opposite side walls of the mounting plate, the cover plate is turned over and the screws are mounted on the mounting plate, so that the limiting columns are respectively inserted into the mounting holes, and the annular edges arranged on the outer walls of the limiting columns are respectively pressed on the circuit board, so that the circuit board on the double-layer flexible circuit board body is rapidly fixed, the circuit board can be shielded and protected, and the double-layer flexible circuit board body can be rapidly taken out after the cover plate is disassembled.

Description

Extrusion fixing device is prevented to double-deck flexible line way board

Technical Field

The utility model relates to the technical field of flexible circuit board fixing devices, in particular to an anti-extrusion fixing device for a double-layer flexible circuit board.

Background

The flexible circuit board is used as one of the circuit boards, and two rigid PCB boards are physically connected and connected through the flexible belt, so that the flexible circuit board is needed to be adopted in the circuit devices in some special areas to realize the control of the circuit, and meanwhile, the effect of saving space is achieved.

At present, the mode of fixing the PCB of the flexible circuit board to the machining part by using screws is mostly adopted for installing the double-layer flexible circuit board, so that the fixation and heat dissipation of the double-layer flexible circuit board are ensured, but the conventional fixation mode not only needs to spend a great deal of time for installing the double-layer flexible circuit board, but also is difficult to detach when the double-layer flexible circuit board is maintained later.

Disclosure of Invention

The utility model aims to provide an anti-extrusion fixing device for a double-layer flexible circuit board, which can be used for rapidly disassembling and assembling the double-layer flexible circuit board so as to facilitate subsequent maintenance of the flexible circuit board.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a double-deck flexible line way board prevents extrudeing fixing device, includes the double-deck flexible line way board body that circuit board and flexible band are constituteed, still includes mounting panel and symmetry setting in the edge portion of the relative both sides wall of mounting panel, the circuit board activity respectively sets up on the relative both sides wall of mounting panel, and articulates respectively on the edge portion and be provided with the apron, a plurality of spacing posts that apron one side outer wall set up respectively with the mounting hole phase-match of seting up on the circuit board, the apron upset is in order to make the ring limit that sets up on the spacing post outer wall cover the pressure respectively on the circuit board.

Preferably, the outer walls of the two opposite sides of the mounting plate are symmetrically provided with limiting edges respectively, and the outer walls of the two opposite sides of the cover plate are symmetrically provided with concave parts respectively.

Preferably, windows are respectively formed in the cover plates, and pins arranged on the circuit board are respectively and movably arranged in the windows.

Preferably, the mounting plate is symmetrically provided with mounting grooves at one ends of the opposite edge portions, the mounting grooves are symmetrically provided with mounting threaded holes respectively, the mounting grooves are movably provided with cladding plates, a plurality of fixing feet arranged on the cladding plates are respectively provided with first through holes, and the first through holes are respectively matched with the mounting threaded holes.

Preferably, the cover plate is located at one side of the limiting column and is symmetrically provided with protruding portions respectively, second through holes are formed in the protruding portions, and the second through holes are matched with the mounting threaded holes.

Preferably, a third through hole is formed in the cladding plate.

Preferably, the mounting plate is an aluminum alloy plate.

In the technical scheme, the extrusion-preventing fixing device for the double-layer flexible circuit board provided by the utility model has the following beneficial effects: the circuit board is placed on two opposite side walls of the mounting plate, the cover plate is turned over, the screws are mounted on the mounting plate, the limiting columns are respectively inserted into mounting holes formed in the circuit board, and meanwhile, the annular edges arranged on the outer walls of the limiting columns are respectively pressed on the circuit board, so that the circuit board on the double-layer flexible circuit board body is fast fixed, the circuit board can be shielded and protected, and the double-layer flexible circuit board body can be taken out fast after the cover plate is detached.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of a part of a structure provided in an embodiment of the present utility model;

fig. 2 is a schematic diagram of an overall structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a mounting plate; 2. a circuit board; 3. a cover plate; 4. a cladding plate; 11. edge portions; 12. limit edges; 13. a mounting groove; 14. installing a threaded hole; 21. a mounting hole; 22. a flexible belt; 23. arranging needles; 31. a recessed portion; 32. a boss; 33. a limit column; 34. a ring edge; 35. a second perforation; 36. a window; 41. a fixed foot; 42. a first perforation; 43. and a third perforation.

Description of the embodiments

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-2, an anti-extrusion fixing device for a double-layer flexible circuit board comprises a double-layer flexible circuit board body composed of a circuit board 2 and flexible belts 22, and further comprises a mounting plate 1 and edge portions 11 symmetrically arranged on two opposite side walls of the mounting plate 1, wherein the circuit board 2 is movably arranged on the two opposite side walls of the mounting plate 1 respectively, cover plates 3 are hinged on the edge portions 11 respectively, a plurality of limit posts 33 arranged on one side outer wall of the cover plates 3 are matched with mounting holes 21 formed in the circuit board 2 respectively, and the cover plates 3 are turned over so that annular edges 34 arranged on the outer walls of the limit posts 33 are respectively pressed on the circuit board 2. The circuit board 2 is placed on two opposite side walls of the mounting plate 1, the cover plate 3 is turned over and the screws are mounted on the mounting plate 1, so that the limiting columns 33 are respectively inserted into the mounting holes 21 formed in the circuit board 2, and meanwhile, the annular edges 34 formed in the outer walls of the limiting columns 33 are respectively covered on the circuit board 2, so that the circuit board 2 on the double-layer flexible circuit board body is quickly fixed, the circuit board 2 can be shielded and protected, and the double-layer flexible circuit board body can be quickly taken out after the cover plate 3 is detached.

As shown in fig. 1, as a further technical solution provided by the present utility model, the outer walls of two opposite sides of the mounting board 1 are respectively and symmetrically provided with the limiting edges 12, and the outer walls of two opposite sides of the cover board 3 are respectively and symmetrically provided with the concave portions 31, so that the circuit board 2 is respectively placed between the limiting edges 12, and the limiting edges 12 are used for limiting, guiding and protecting the circuit board 2, and when the cover board 3 is turned over, the limiting edges 12 are located in the concave portions 31.

Further, in order to facilitate electrical connection to the circuit board 2 on the double-layer flexible circuit board body, the cover plate 3 is provided with windows 36 respectively, the pins 23 arranged on the circuit board 2 are movably arranged in the windows 36 respectively, and when the cover plate 3 is turned over and fixed on the mounting plate 1, the pins 23 are located in the windows 36, and then are electrically connected to the circuit board 2 through external plug-in units.

Further, the mounting plate 1 is symmetrically provided with the mounting groove 13 at one end of the edge 11, the mounting groove 13 is symmetrically provided with the mounting threaded holes 14 respectively, the mounting groove 13 is movably provided with the cladding plate 4, the plurality of fixing legs 41 arranged on the cladding plate 4 are respectively provided with the first through holes 42, the first through holes 42 are respectively matched with the mounting threaded holes 14, the fixing legs 41 are respectively positioned in the mounting groove 13, and meanwhile the first through holes 42 are respectively matched with the mounting threaded holes 14, so that the cladding plate 4 is utilized to shield and protect the flexible belt 22 at one side of the mounting plate 1.

Specifically, the cover plate 3 is symmetrically provided with the protruding portions 32 on one side of the limiting post 33, the protruding portions 32 are provided with the second through holes 35, and the second through holes 35 are matched with the mounting threaded holes 14, so that the cover plate 3 and the cladding plate 4 can be simultaneously fixed on the mounting plate 1, when the first through holes 42 are matched with the mounting threaded holes 14, the cover plate 3 is turned over to enable the second through holes 35 to be simultaneously matched with the mounting threaded holes 14, at the moment, the cover plate 3 and the cladding plate 4 are simultaneously fixed on the mounting plate 1 by respectively penetrating the first through holes 42 and the second through holes 35 through screws and being threadedly assembled on the mounting threaded holes 14, and because the cover plate 3 is fixed on the mounting plate 1

The quick fixing of the double-layer flexible circuit board body is realized.

More specifically, in order to facilitate fixing the mounting plate 1, the mounting plate 1 is fixedly mounted in the instrument by passing the screws through the third through holes 43 formed on the cladding plate 4.

Furthermore, the mounting plate 1 is an aluminum alloy plate, which is used to facilitate the diffusion of heat from the circuit board 2.

Working principle: through making circuit board 2 place respectively between spacing limit 12 to utilize spacing limit 12 to carry out spacing guide protection to circuit board 2, again with a plurality of fixed feet 41 respectively be located mounting groove 13, make first perforation 42 and installation screw hole 14 assorted respectively simultaneously, through overturning apron 3 respectively, a plurality of spacing posts 33 are interlude respectively in the mounting hole 21 of seting up on circuit board 2 this moment, the ring limit 34 that sets up on the spacing post 33 outer wall covers respectively on circuit board 2 simultaneously, simultaneously second perforation 35 and the installation screw hole 14 assorted on apron 3, utilize the screw to pass first perforation 42 and second perforation 35 respectively and the screw assembly is on the installation screw hole 14, and then make apron 3 and cladding board 4 be fixed in on mounting panel 1 simultaneously, thereby realize the quick fixed to circuit board 2 on the double-deck flexible wiring board body, dismantle the double-deck flexible wiring board body with quick through the screw on dismantling the installation screw hole 14, and then be convenient for follow-up to the maintenance of double-deck flexible wiring board body.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a double-deck flexible line way board prevents extrudeing fixing device, includes the double-deck flexible line way board body that circuit board (2) and flexible band (22) are constituteed, its characterized in that still includes mounting panel (1) and symmetry setting in edge portion (11) of mounting panel (1) opposite both sides wall, circuit board (2) activity respectively set up on mounting panel (1) opposite both sides wall, and articulated respectively along edge portion (11) are provided with apron (3), a plurality of spacing post (33) that apron (3) one side outer wall set up respectively with mounting hole (21) assorted of seting up on circuit board (2), apron (3) upset is in order to make ring limit post (33) set up on the outer wall limit (34) cover respectively press on circuit board (2).

2. The extrusion-preventing fixing device for the double-layer flexible circuit board according to claim 1, wherein limiting edges (12) are symmetrically arranged on the outer walls of the two opposite sides of the mounting plate (1), and concave portions (31) are symmetrically arranged on the outer walls of the two opposite sides of the cover plate (3).

3. The extrusion-preventing fixing device for the double-layer flexible circuit board according to claim 1, wherein windows (36) are respectively formed in the cover plate (3), and pins (23) arranged on the circuit board (2) are respectively movably arranged in the windows (36).

4. The extrusion-preventing fixing device for the double-layer flexible circuit board according to claim 1, wherein the mounting plate (1) is symmetrically provided with mounting grooves (13) at one ends of opposite edge portions (11), mounting threaded holes (14) are symmetrically formed in the mounting grooves (13), a cladding plate (4) is movably arranged in the mounting grooves (13), a plurality of fixing pins (41) arranged on the cladding plate (4) are respectively provided with first through holes (42), and the first through holes (42) are respectively matched with the mounting threaded holes (14).

5. The extrusion-preventing fixing device for the double-layer flexible circuit board according to claim 1, wherein the cover plate (3) is symmetrically provided with protruding portions (32) on one side of the limiting column (33), the protruding portions (32) are provided with second through holes (35), and the second through holes (35) are matched with the mounting threaded holes (14).

6. The extrusion-resistant fixing device for a double-layer flexible circuit board according to claim 4, wherein a third through hole (43) is formed in the cladding plate (4).

7. The extrusion-resistant fixing device for a double-layer flexible circuit board according to claim 1, wherein the mounting plate (1) is an aluminum alloy plate.