Anti-bending PCB circuit board

Abstract

The utility model discloses an anti-bending PCB circuit board which is characterized in that the anti-bending PCB circuit board comprises a joint, a circuit board, a mounting plate, an insulating film, a copper foil conductor, a mounting port and an anti-bending support, the joint and the circuit board are installed in a combined mode, and the mounting plate, the insulating film, the copper foil conductor and the mounting port are arranged on the two sides of the circuit board in a combined packaging mode. According to the anti-bending PCB, the design of the anti-bending PCB is suitable for the excessive bending prevention design of the bending position of a flexible circuit board, the U-shaped support of the anti-bending support is clamped on the circuit board and is fixedly arranged through screws, and the insulating film winds around the roller body of the anti-bending roller in an attached mode and then is bent. The front supporting ejector rod supports the insulating film at the arc-shaped bending position to avoid excessive bending and further protect the flexible circuit board. The arc-shaped elastic supporting piece is installed in the inner installation groove of the cushioning support in an embedded mode, and elastic deformation has certain buffering performance.

Description

Technical Field

[0001] This utility model relates to an anti-bending PCB circuit board, belonging to the field of flexible circuit board technology. Background Technology

[0002] Flexible printed circuit boards (FPCs), also known as flexible printed circuit boards, are printed circuits made with a flexible insulating substrate, possessing many advantages that rigid printed circuit boards lack. They are highly reliable and extremely flexible printed circuit boards made with polyimide or polyester film as the substrate. They feature high wiring density, light weight, thinness, and good bendability. When bending flexible circuit boards, attention must be paid to the bending angle and curvature to avoid excessive bending. Utility Model Content

[0003] The purpose of this invention is to provide a PCB circuit board that is resistant to bending, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: an anti-bending PCB circuit board, characterized in that it includes a connector, a circuit board, a mounting plate, an insulating film, a copper foil conductor, a mounting port, and an anti-bending bracket. The connector and the circuit board are assembled together. Mounting plates are provided on both sides of the circuit board. The insulating film, the copper foil conductor, and the mounting port are combined and encapsulated. The anti-bending bracket is located at the lower end of the insulating film.

[0005] Preferably, the anti-bending bracket consists of a U-shaped bracket, fixing screws, a shock-absorbing bracket, an anti-bending roller, and a front support rod. The upper end of the U-shaped bracket is provided with fixing screws, and the anti-bending roller is positioned and installed on the U-shaped bracket through the shock-absorbing bracket. The front end of the anti-bending roller is provided with a front support rod.

[0006] Preferably, the shock-absorbing bracket frame is provided with an inner mounting groove, in which an arc-shaped elastic support plate is embedded, and the front and rear frames of the shock-absorbing bracket are connected and installed by limit screws.

[0007] Preferably, a rubber gasket is adhered to the outer end face of the arc-shaped elastic support sheet.

[0008] Compared with the prior art, the beneficial effects of this utility model are:

[0009] The anti-bending bracket consists of a U-shaped bracket, fixing screws, shock-absorbing bracket, anti-bending roller, and front support rod. The U-shaped bracket of the anti-bending bracket is clipped onto the circuit board and fixed with screws. The insulating film is wrapped around the anti-bending roller body before bending. The front support rod supports the insulating film at the arc-shaped bend to prevent excessive bending and thus protect the flexible circuit board. The inner mounting groove of the shock-absorbing bracket has an embedded arc-shaped elastic support plate that provides a certain buffering performance for elastic deformation. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of the PCB circuit board with anti-bending properties according to this utility model;

[0011] Figure 2 This is a schematic diagram of the installation structure of the anti-bending PCB circuit board of this utility model;

[0012] Figure 3 This is a schematic diagram of the structure of the anti-bending bracket of this utility model;

[0013] Figure 4 This is a schematic diagram of the structure of the shock-absorbing bracket of this utility model.

[0014] In the diagram: 1. Connector, 2. Circuit board, 3. Mounting plate, 4. Insulating film, 5. Copper foil conductor, 6. Mounting port, 7. Anti-bending bracket, 8. U-shaped bracket, 9. Fixing screw, 10. Shock-absorbing bracket, 11. Anti-bending roller, 12. Support rod, 13. Inner mounting groove, 14. Arc-shaped elastic support plate, 15. Limiting screw. Detailed Implementation

[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0016] like Figures 1-4 As shown, an anti-bending PCB circuit board includes a connector 1, a circuit board 2, a mounting plate 3, an insulating film 4, a copper foil conductor 5, a mounting port 6, and an anti-bending bracket 7. The connector 1 and the circuit board 2 are mounted together. The mounting plate 3 is provided on both sides of the circuit board 2. The insulating film 4, the copper foil conductor 5, and the mounting port 6 are combined and encapsulated. The anti-bending bracket 7 is located at the lower end of the insulating film 4.

[0017] The anti-bending bracket 7 consists of a U-shaped bracket 8, fixing screws 9, shock-absorbing bracket 10, anti-bending roller 11, and front support rod 12. The upper end of the U-shaped bracket 8 is provided with fixing screws 9. The U-shaped bracket 8 is positioned and installed with anti-bending roller 11 through shock-absorbing bracket 10. The front end of anti-bending roller 11 is provided with front support rod 12. The insulating film 4 is wrapped around the roller body of anti-bending roller 11 in an adhesive manner before bending. The front support rod 12 supports the insulating film 4 at the arc-shaped bend to avoid excessive bending and thus protect the flexible circuit board.

[0018] The shock-absorbing bracket 10 has an inner mounting groove 13, in which an arc-shaped elastic support plate 14 is embedded. The front and rear frames of the shock-absorbing bracket 10 are connected and installed by limit screws 15. The arc-shaped elastic support plate 14 has a certain buffering performance due to its elastic deformation.

[0019] A rubber gasket is attached to the outer end face of the arc-shaped elastic support plate 14. The design and installation of the rubber gasket has a certain buffering performance.

[0020] Specific usage: A bend-resistant PCB circuit board. This device is designed to prevent excessive bending at the bend of flexible circuit boards. The U-shaped bracket of the bend-resistant bracket is clipped onto the circuit board and fixed with screws. The insulating film is wrapped around the bend-resistant roller before bending. The front support rod supports the insulating film at the arc bend to prevent excessive bending and thus protect the flexible circuit board. The inner mounting groove of the shock-absorbing bracket has an arc-shaped elastic support plate embedded in it, which has a certain buffering performance due to elastic deformation.

[0021] The above description is a preferred embodiment of the present utility model. For those skilled in the art, any changes, modifications, substitutions and variations made to the implementation methods without departing from the principles and spirit of the present utility model, based on the teachings of the present utility model, still fall within the protection scope of the present utility model.

Claims

1. A bend-resistant PCB circuit board, characterized in that, It includes a connector (1), a circuit board (2), a mounting plate (3), an insulating film (4), a copper foil conductor (5), a mounting port (6), and an anti-bending bracket (7). The connector (1) and the circuit board (2) are assembled together. The mounting plate (3) is provided on both sides of the circuit board (2). The insulating film (4), the copper foil conductor (5), and the mounting port (6) are assembled together. The anti-bending bracket (7) is located at the lower end of the insulating film (4).

2. The PCB circuit board with bending resistance according to claim 1, characterized in that: The anti-bending bracket (7) consists of a U-shaped bracket (8), fixing screws (9), shock-absorbing bracket (10), anti-bending roller (11) and front support rod (12). The upper end of the U-shaped bracket (8) is provided with fixing screws (9). The U-shaped bracket (8) is positioned and installed with anti-bending roller (11) through shock-absorbing bracket (10). The front end of the anti-bending roller (11) is provided with front support rod (12).

3. The PCB circuit board with bending resistance according to claim 2, characterized in that: The shock-absorbing bracket (10) has an inner mounting groove (13) on its frame. An arc-shaped elastic support plate (14) is embedded in the inner mounting groove (13). The front and rear frames of the shock-absorbing bracket (10) are connected and installed by limit screws (15).

4. The PCB circuit board with bending resistance according to claim 3, characterized in that: A rubber pad is attached to the outer end face of the arc-shaped elastic support sheet (14).

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