CN-224233899-U - Bending-resistant reinforcing device for flexible circuit board

Abstract

The utility model relates to the technical field of flexible circuit boards, in particular to an anti-bending reinforcing device of a flexible circuit board. The flexible circuit board comprises a flexible circuit board body, wherein one side of the flexible circuit board body is electrically connected with a connecting plate, one side of the flexible circuit board body, which is far away from the connecting plate, is electrically connected with a connector, the lower surface of the flexible circuit board body is adhered with a reinforcing plate, the reinforcing plate has toughness, one side of the reinforcing plate is fixedly provided with a metal net, one side of the metal net, which is far away from the reinforcing plate, is fixedly connected with a heat conducting plate, the metal net is made of titanium alloy, a plurality of heat dissipation holes are formed in the surface of the heat conducting plate, and the heat dissipation holes are uniformly distributed on the surface of the heat conducting plate. The flexible circuit board solves the problems that the flexible circuit board is frequently bent to easily cause circuit breakage, short circuit and the like, and the service life of the flexible circuit board and the normal operation of electronic equipment are seriously affected.

Inventors

• PEI HONGJUN
• DENG JIABO
• LEI XUEJIAO

Assignees

• 深圳市鑫联盈科技有限公司

Dates

Publication Date

20260512

Application Date

20250522

Claims (6)

1. 1. The bending-resistant reinforcing device for the flexible circuit board comprises a flexible circuit board body (1) and is characterized in that a connecting plate (2) is electrically connected to one side of the flexible circuit board body (1), a connector (3) is electrically connected to one side, away from the connecting plate (2), of the flexible circuit board body (1), a reinforcing plate (4) is adhered to the lower surface of the flexible circuit board body (1), the reinforcing plate (4) has toughness, a metal net (5) is fixedly arranged on one side of the reinforcing plate (4), and a heat conducting plate (6) is fixedly connected to one side, away from the reinforcing plate (4), of the metal net (5).
2. 2. The bending-resistant reinforcing device for a flexible circuit board according to claim 1, wherein the metal mesh (5) is made of titanium alloy.
3. 3. The bending-resistant reinforcing device of the flexible circuit board according to claim 1, wherein a plurality of radiating holes (7) are formed in the surface of the heat conducting plate (6), and the plurality of radiating holes (7) are uniformly distributed on the surface of the heat conducting plate (6).
4. 4. The bending-resistant reinforcing device of the flexible circuit board according to claim 1, wherein a guide groove is formed in one side of the connecting plate (2), a guide plate (8) is fixedly connected to one side of the connecting head (3), one side of the guide plate (8) is semicircular, and the size of the guide plate (8) is matched with the size of the guide groove of the connecting plate (2).
5. 5. The bending-resistant reinforcing device of the flexible circuit board according to claim 4, wherein a sealing gasket (9) is fixedly connected to the surface of the connector (3), and the sealing gasket (9) is made of silica gel.
6. 6. The bending-resistant reinforcing device for the flexible circuit board according to claim 1, wherein connecting rods (10) are fixedly connected to two sides of the connecting plate (2), an elliptical plate (11) is fixedly connected to one end of each connecting rod (10), a threaded rod (12) is inserted into the elliptical plate (11) in a threaded mode, and an abutting plate (13) is fixedly connected to one end of each threaded rod (12).

Description

Bending-resistant reinforcing device for flexible circuit board Technical Field The utility model relates to the technical field of flexible circuit boards, in particular to an anti-bending reinforcing device of a flexible circuit board. Background The flexible circuit board is widely applied to electronic equipment, such as mobile phones, tablet computers, wearable equipment and the like, because of the characteristics of being bendable, small in size, light in weight and the like. However, in the actual use process, frequent bending of the flexible circuit board easily causes problems such as circuit breakage and short circuit, and the service life of the flexible circuit board and normal operation of electronic equipment are seriously affected. At present, in order to improve the bending resistance of the flexible circuit board, the common method is to increase the thickness of the circuit board, but the thickness and the weight of the circuit board are increased, the development trend of lightening and thinning of modern electronic equipment is not met, and the protective film is stuck on the surface of the flexible circuit board, but the bending resistance effect of the protective film is limited, so that the problem cannot be fundamentally solved. The inventor considers that the problems of circuit breakage, short circuit and the like are easily caused by frequent bending of the flexible circuit board, the service life of the flexible circuit board is seriously influenced, and the normal operation of electronic equipment is seriously influenced, aiming at the problems, the inventor provides an anti-bending reinforcing device of the flexible circuit board. Disclosure of utility model The utility model aims to solve the problems that a flexible circuit board is easy to cause circuit breakage, short circuit and the like due to frequent bending in the prior art, and seriously influences the service life of the flexible circuit board and the normal operation of electronic equipment. In order to achieve the purpose, the bending-resistant reinforcing device of the flexible circuit board comprises a flexible circuit board body, wherein one side of the flexible circuit board body is electrically connected with a connecting plate, one side of the flexible circuit board body, which is far away from the connecting plate, is electrically connected with a connector, the lower surface of the flexible circuit board body is adhered with a reinforcing plate, the reinforcing plate has toughness, one side of the reinforcing plate is fixedly provided with a metal net, and one side of the metal net, which is far away from the reinforcing plate, is fixedly connected with a heat conducting plate. The flexible circuit board has the advantages that the whole bending resistance of the circuit board can be effectively enhanced through the adhesion between the reinforcing plate and the lower surface of the flexible circuit board body, the risk of circuit damage caused by bending is reduced, the metal net further reinforces the structure, meanwhile, the good mechanical property of the metal net is also beneficial to improving the bending resistance, under the heat conduction of the heat conducting plate, the heat generated during the operation of the flexible circuit board body can be rapidly conducted out, the stable operation of the circuit board at a proper temperature is ensured, the service life is prolonged, and the practicability of the device is improved. Preferably, the metal mesh is made of titanium alloy. The component has the advantages that the metal net is made of the titanium alloy material, and the titanium alloy material can bear larger plastic deformation and is not easy to break under the extending and backtracking performances. Preferably, the surface of the heat conducting plate is provided with a plurality of heat dissipation holes, and the heat dissipation holes are uniformly distributed on the surface of the heat conducting plate. The heat-conducting plate has the advantages that the heat-conducting plate is provided with the plurality of heat-radiating holes, so that heat generated by the flexible circuit board body can be effectively discharged, and the practicability of the device is improved. Preferably, the guiding groove is seted up to one side of connecting plate, one side fixedly connected with guide board of connector, one side of guide board is the semicircle form, the size looks adaptation of guiding plate size and connecting plate guiding groove. The guide plate and the guide groove are arranged, so that a worker can conveniently connect the flexible circuit board bodies, and the practicability of the device is improved. Preferably, the surface of the connector is fixedly connected with a sealing pad, and the sealing pad is made of silica gel. The sealing gasket has the advantages that the sealing gasket is arranged, the sealing effect is achieved when the flexible circuit board body is connecte