Tear-resistant FPC circuit board

Abstract

The utility model relates to the technical field of FPC circuit boards, and discloses a tear-resistant FPC circuit board, which comprises a circuit board and a protective sleeve, the circuit board is arranged on the inner side of the protective sleeve, the two sides of the protective sleeve are fixedly connected with fixing strips, the top of each fixing strip is provided with a sliding groove, a sliding block is slidably connected in each sliding groove, and the protective sleeve is fixedly connected with the circuit board. Cleaning assemblies are arranged at the tops of the two sliding blocks, two supporting frames are fixedly connected to the bottoms of the two ends of the circuit board, threaded rods penetrate through and are in threaded connection with the interiors of the two supporting frames, extrusion discs are rotatably connected to the tops of the threaded rods, placement grooves are formed in the extrusion discs, and anti-skid base plates are slidably connected to the interiors of the placement grooves; and an elastic plate is arranged in the support frame. According to the dust-proof device, the sliding groove, the sliding block, the connecting plate, the mounting groove, the fixing base, the first spring, the brush plate and the handle work in a matched mode, and dust on the protective sleeve and the dust-proof net in the heat dissipation opening can be cleaned through the cleaning assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of FPC circuit boards, in particular to a tear-resistant FPC circuit board. Background Art

[0002] Flexible Printed Circuit (FPC) is a highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as the base material. It has the characteristics of high wiring density, light weight, thin thickness and good bendability.

[0003] After searching, the existing Chinese patent announcement number is: CN216600192U, which provides a tear-resistant FPC circuit board. The patent achieves the tear-resistant effect of the circuit board body through the tear-resistant layer and the tear-resistant fiber strips. At the same time, the anti-corrosion layer can play an anti-corrosion effect on the tear-resistant layer. Pull the two sets of pull rods upward, and the two sets of pressure plates move upward under the drive of the T-block. At this time, the left and right ends of the circuit board body are placed on the upper ends of the first connecting plate and the third connecting plate, and the pull of the two sets of pull rods is released. Under the elastic force of the spring, the circuit board body is clamped on the upper ends of the first connecting plate and the third connecting plate through the pressure plate. At this time, the installation of the circuit board body is completed.

[0004] Although the circuit board body of the above patent is clamped at the upper ends of the first connecting plate and the third connecting plate by the pressure plate, the installation of the circuit board body is completed at this time, but the above tear-resistant FPC circuit board still has the following problems: it is not convenient to clean dust, which affects the normal use of the flexible circuit board and reduces the practicality of the flexible circuit board.

[0005] In view of the above problems, a tear-resistant FPC circuit board is proposed. Utility Model Content

[0006] The utility model aims to provide a tear-resistant FPC circuit board, which solves the problem in the background art that dust is inconvenient to clean, affects the normal use of the flexible circuit board, and reduces the practicality of the flexible circuit board.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tear-resistant FPC circuit board, comprising a circuit board and a protective cover, the circuit board is arranged on the inner side of the protective cover, and fixing bars are fixedly connected on both sides of the protective cover, a slide groove is provided on the top of the fixing bar, a slider is slidably connected in the slide groove, and a cleaning component is provided on the top of the two sliders, two supporting frames are fixedly connected to the bottom of both ends of the circuit board, threaded rods are penetrated and threadedly connected in the two supporting frames, an extrusion plate is rotatably connected to the top of the threaded rod, a placement groove is provided in the extrusion plate, an anti-slip pad is slidably connected in the placement groove, an elastic plate is provided in the support frame, and a uniformly distributed heat dissipation port is provided on the outside of the protective cover.

[0008] By adopting the above technical solution, the material of the protective cover and the fixing strip is a tough soft material, and dustproof nets are provided in several heat dissipation ports to prevent dust. By turning the knob, the threaded rod can be driven to rotate, thereby driving the extrusion disk to squeeze and fix the elastic plate, which is convenient for the installation and disassembly of the elastic plate. The anti-slip pad can better fix the elastic plate.

[0009] As a further description of the above technical solution: the cleaning component includes a connecting plate, both ends of the connecting plate are fixedly connected to the slider, the bottom of the connecting plate is fixedly connected to a fixing seat, an installation groove is opened in the fixing seat, and a brush plate is slidably connected in the installation groove.

[0010] By adopting the above technical solution, the dust on the protective cover and the heat dissipation port can be cleaned by the cleaning component, so that the normal operation of the circuit board body is not affected, and the practicality of the circuit board is improved.

[0011] As a further description of the above technical solution: both ends of the circuit board are fixedly connected with connecting parts.

[0012] By adopting the above technical solution, the connecting piece can facilitate the connection.

[0013] As a further description of the above technical solution: a second spring is fixedly connected in the placement groove, and the other end of the second spring is fixedly connected to the anti-slip pad.

[0014] By adopting the above technical solution, the anti-skid pad can be extended and retracted in the placement groove through the second spring, and fits more closely with the elastic plate, thereby achieving a better fixing effect.

[0015] As a further description of the above technical solution: the elastic plate is arranged on the top of the anti-slip pad.

[0016] By adopting the above technical solution, the elastic plate is arranged between the anti-slip pad and the circuit board.

[0017] As a further description of the above technical solution: a knob is fixedly connected to the bottom of the threaded rod, and the knob is arranged at the bottom of the support frame.

[0018] By adopting the above technical solution, the threaded rod can be driven to rotate by the knob.

[0019] As a further description of the above technical solution: a handle is fixedly connected to the top of the connecting plate.

[0020] By adopting the above technical solution, the connecting plate can be pushed to move by the handle.

[0021] As a further description of the above technical solution: a uniformly distributed first spring is fixedly connected in the installation groove, and the other end of the first spring is fixedly connected to the brush plate.

[0022] By adopting the above technical solution, the brush plate can be contracted in the installation groove through the first spring, so that the cleaning effect of the brush plate is better.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a tear-resistant FPC circuit board. First, the sliding groove, the slider, the connecting plate, the mounting groove, the fixing seat, the first spring, the brush plate, and the handle work in coordination with each other. The cleaning component can clean the dust on the protective cover and the dustproof net in the heat dissipation port to avoid affecting the normal work of the circuit board and improve the practicality of the circuit board.

[0025] 2. The utility model provides a tear-resistant FPC circuit board, which works in coordination with a support plate, a threaded rod, an extrusion plate, a second spring, a placement groove, an anti-skid pad, and a knob. By turning the knob, the threaded rod can be driven to rotate, thereby driving the extrusion disk to squeeze and fix the elastic plate, which is convenient for installation and disassembly of the elastic plate. The anti-skid pad can better fix the elastic plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is an exploded schematic diagram of the overall structure of the utility model;

[0028] Figure 3 It is an exploded schematic diagram of the extrusion disk structure of the utility model;

[0029] Figure 4 This is a schematic diagram of the cleaning component structure of the utility model.

[0030] In the figure: 1. Circuit board; 2. Protective cover; 3. Fixing strip; 4. Slide groove; 5. Sliding block; 6. Fixing seat; 7. Connecting plate; 8. Mounting groove; 9. First spring; 10. Brush plate; 11. Support frame; 12. Threaded rod; 13. Extrusion plate; 14. Placement groove; 15. Second spring; 16. Anti-slip pad; 17. Knob; 18. Elastic plate; 19. Connector; 20. Handle; 21. Heat dissipation vent. DETAILED DESCRIPTION

[0031] The following will refer to the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0033] Reference Figure 1 and Figure 2 The utility model discloses a tear-resistant FPC circuit board, comprising a circuit board 1 and a protective cover 2. The circuit board 1 is arranged inside the protective cover 2. Both sides of the protective cover 2 are fixedly connected with fixing strips 3. The protective cover 2 and the fixing strips 3 are made of a tough soft material. A slide groove 4 is provided on the top of the fixing strip 3. The slide groove 4 can be conveniently matched with a slider 5 for sliding. The slider 5 is slidably connected in the slide groove 4. A cleaning component is provided on the top of the two sliders 5. The cleaning component can be driven to slide by the slider 5. Two support frames 11 are fixedly connected to the bottom of both ends of the circuit board 1. The support frames 11 are L-shaped, threaded rods 12 are passed through and threadedly connected in the two support frames 11, and the extrusion plate 13 is driven to move by the threaded rods 12. The top of the threaded rod 12 is rotatably connected to the extrusion plate 13, and a placement groove 14 is provided in the extrusion plate 13. An anti-skid pad 16 is slidably connected in the placement groove 14. The anti-skid pad 16 can make the fixing effect better. An elastic plate 18 is provided in the support frame 11, and the elastic plate 18 has strong toughness. The protective cover 2 is provided with evenly distributed heat dissipation ports 21 on the outside, and a dustproof net (not marked in the figure) is provided in the heat dissipation port 21 to filter dust.

[0034] Reference Figure 4 The cleaning component includes a connecting plate 7, which plays a supporting role. Both ends of the connecting plate 7 are fixedly connected to the slider 5. A fixing seat 6 is fixedly connected to the bottom of the connecting plate 7. A mounting groove 8 is provided in the fixing seat 6 to facilitate the installation of a first spring 9. A brush plate 10 is slidably connected in the mounting groove 8. The dust on the dustproof net (not marked in the figure) in the protective cover 2 and the heat dissipation port 21 can be cleaned by the brush plate 10. A uniformly distributed first spring 9 is fixedly connected in the mounting groove 8. The other end of the first spring 9 is fixedly connected to the brush plate 10. The brush plate 10 can be contracted in the mounting groove 8 by the first spring 9, so that the cleaning effect of the brush plate 10 is better.

[0035] Reference Figure 2 and Figure 3, both ends of the circuit board 1 are fixedly connected with connecting pieces 19, a second spring 15 is fixedly connected in the placement groove 14, and the other end of the second spring 15 is fixedly connected to the anti-slip pad 16. The second spring 15 can make the anti-slip pad 16 retract in the placement groove 14, and fit more closely with the elastic plate 18, so that the fixing effect is better. The elastic plate 18 is arranged on the top of the anti-slip pad 16, and a knob 17 is fixedly connected to the bottom of the threaded rod 12. The knob 17 is arranged at the bottom of the support frame 11, and the threaded rod 12 can be driven to rotate by the knob 17. A handle 20 is fixedly connected to the top of the connecting plate 7, and the connecting plate 7 can be pushed to move by the handle 20.

[0036] Working principle: When working, put the two ends of the two elastic plates 18 into the support frame 11 and on the top of the anti-skid pad 16, then turn the knob 17, and drive the threaded rod 12 to rotate through the knob 17, and through the threaded connection with the support frame 11, drive the extrusion plate 13 and the anti-skid pad 16 to squeeze and fix the elastic plate 18, and the second spring 15 can make the anti-skid pad 16 expand and contract in the placement groove 14, fit more closely with the elastic plate 18, and have a better fixing effect. By installing two elastic plates 18 with toughness, the tear resistance of the circuit board 1 can be improved, and the push-pull handle 20 can drive the connecting plate 7 and the two sliders 5 to slide in the slide groove 4, so that the dust on the surface of the dustproof net (not marked in the figure) set in the protective cover 2 and the heat dissipation port 21 is cleaned through the brush plate 10 under the connecting plate 7, and the brush plate 10 can be retracted in the installation groove 8 through the first spring 9, so that the cleaning effect of the brush plate 10 is better, avoiding the normal operation of the circuit board 1 from being affected, and improving the practicality of the circuit board 1.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tear-resistant FPC circuit board, comprising a circuit board (1) and a protective cover (2), characterized in that: The circuit board (1) is arranged inside the protective cover (2), and fixing strips (3) are fixedly connected to both sides of the protective cover (2), and a slide groove (4) is provided at the top of the fixing strip (3), and a slider (5) is slidably connected in the slide groove (4), and a cleaning component is provided on the top of the two sliders (5). Two support frames (11) are fixedly connected to the bottom of both ends of the circuit board (1), and a threaded rod (12) passes through and is threadedly connected in the two support frames (11), and an extrusion plate (13) is rotatably connected to the top of the threaded rod (12), and a placement groove (14) is provided in the extrusion plate (13), and an anti-slip pad (16) is slidably connected in the placement groove (14), and an elastic plate (18) is provided in the support frame (11), and evenly distributed heat dissipation ports (21) are provided on the outside of the protective cover (2).

2. The tear-resistant FPC circuit board according to claim 1, characterized in that: The cleaning assembly comprises a connecting plate (7), both ends of which are fixedly connected to the slider (5), a fixing seat (6) is fixedly connected to the bottom of the connecting plate (7), a mounting groove (8) is provided in the fixing seat (6), and a brush plate (10) is slidably connected in the mounting groove (8).

3. The tear-resistant FPC circuit board according to claim 1, characterized in that: Both ends of the circuit board (1) are fixedly connected with connecting pieces (19).

4. The tear-resistant FPC circuit board according to claim 1, characterized in that: A second spring (15) is fixedly connected in the placement groove (14), and the other end of the second spring (15) is fixedly connected to the anti-slip pad (16).

5. The tear-resistant FPC circuit board according to claim 1, characterized in that: The elastic plate (18) is arranged on the top of the anti-slip pad (16).

6. The tear-resistant FPC circuit board according to claim 1, characterized in that: The bottom of the threaded rod (12) is fixedly connected with a knob (17), and the knob (17) is arranged at the bottom of the support frame (11).

7. The tear-resistant FPC circuit board according to claim 2, characterized in that: A handle (20) is fixedly connected to the top of the connecting plate (7).

8. The tear-resistant FPC circuit board according to claim 2, characterized in that: A first spring (9) which is evenly distributed is fixedly connected in the installation groove (8), and the other end of the first spring (9) is fixedly connected to the brush plate (10).

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