Anti-fracture flexible circuit board

By incorporating flexible strips and anti-breakage components into the flexible circuit board, the problem of easy breakage when bending is solved, resulting in higher tensile strength and heat dissipation performance, extending the service life of the circuit board and improving work efficiency.

CN223567843UActive Publication Date: 2025-11-18SHENZHEN ZHENGJIAXING ELECTRONICS CO LTD
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Patent Information

Application Number
CN202423132102.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-18
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing flexible circuit boards are prone to breakage when bent, affecting work efficiency and service life.

Method used

Flexible strips are connected to the outer walls on both sides of the circuit board body, and anti-breakage components are set at the bottom, including flexible strips and flexible heat-conducting plates. The tensile strength and heat dissipation performance are improved by the cross connection of the flexible strips and the flexible heat-conducting and heat dissipation structure.

Benefits of technology

It effectively prevents circuit board breakage, improves tensile strength and heat dissipation, thereby extending service life and improving work efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223567843U_ABST
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Abstract

The utility model relates to the technical field of flexible circuit boards, in particular to an anti-fracture flexible circuit board, which comprises a circuit board body. The outer walls of the two sides of the circuit board body are connected with flexible strips. The bottom of the circuit board body is connected with a flexible heat conducting plate; an anti-fracture assembly is arranged at the bottom of the flexible heat-conducting plate and comprises a first connecting block, a second connecting block, a third connecting block and a fourth connecting block which are connected to the bottom of the flexible heat-conducting plate; a first flexible long strip is fixed between the first connecting block and the second connecting block; according to the utility model, the flexible strips are connected to the outer walls of the two sides of the circuit board body, so that on one hand, the flexible strips can improve the tensile property of the circuit board body and prevent the circuit board body from being broken, and on the other hand, the flexible strips can prevent the two ends of the circuit board body from being folded or cracked; and the circuit board body is further prevented from being broken.
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Description

TECHNICAL FIELD

[0001] The utility model relates to flexible circuit board technical field, concretely is a kind of anti-fracture flexible circuit board. BACKGROUND

[0002] Flexible circuit board is made of polyimide or polyester film base material and is a kind of highly reliable, excellent flexible printed circuit board, with the characteristics of high wiring density, light weight, thin thickness, good bending, flexible circuit board is favored with the excellent characteristics of light weight, thin thickness, free bending and folding.

[0003] Flexible circuit board needs to be bent during assembly and use, and the existing flexible circuit board is easy to break when bending, thereby affecting the working efficiency and service life of the flexible circuit board.

[0004] Therefore, an anti-fracture flexible circuit board is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an anti-fracture flexible circuit board.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An anti-fracture flexible circuit board comprises:

[0008] A circuit board body;

[0009] Flexible strips are connected to the outer walls on both sides of the circuit board body;

[0010] A flexible heat-conducting plate is connected to the bottom of the circuit board body;

[0011] The flexible heat-conducting plate is provided with an anti-fracture assembly at the bottom, and the anti-fracture assembly comprises first, second, third and fourth connecting blocks connected to the bottom of the flexible heat-conducting plate;

[0012] A first flexible strip is fixed between the first and second connecting blocks;

[0013] A second flexible strip is fixed between the third and fourth connecting blocks;

[0014] Flexible heat-insulating plates are connected to the bottoms of the first and second flexible strips, and flexible heat-dissipating plates are connected to the bottoms of the flexible heat-insulating plates.

[0015] Preferably, the first and second flexible strips are connected to each other in an interlaced manner.

[0016] Preferably, the anti-fracture assembly is provided with four groups.

[0017] Preferably, the flexible heat insulation plate is provided with a through slot, and the bottom of the flexible heat conduction strip is connected with the flexible heat conduction strip, and the bottom of the flexible heat conduction strip passes through the through slot and is connected with the flexible heat dissipation plate.

[0018] Preferably, the flexible strip, the flexible heat conduction plate, the first flexible long strip, the second flexible long strip, the flexible heat dissipation plate and the flexible heat conduction strip are all made of flexible material.

[0019] Preferably, the first flexible long strip and the second flexible long strip are pasted on the bottom of the flexible heat conduction plate by glue.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] The utility model discloses a flexible strip is connected on the both sides outer wall of circuit board body, and the flexible strip can improve the tensile property of circuit board body on one hand, avoids the fracture of circuit board body, can avoid the crease or break of both ends of circuit board body on the other hand, further avoids the fracture of circuit board body.

[0022] Through being provided with first flexible long strip, second flexible long strip, and first flexible long strip, second flexible long strip cross -linking, so under the cooperation of first flexible long strip, second flexible long strip can improve the horizontal tensile property of circuit board body, also can improve the vertical tensile property of circuit board body, further avoids the fracture of circuit board body, compared with prior art, the anti -fracture performance of circuit board body in the utility model is stronger, thereby the work efficiency and service life of circuit board body are improved.

[0023] The utility model discloses a flexible heat conduction plate is connected on the bottom of circuit board body, and the flexible heat conduction plate can absorb the heat of circuit board body, and the flexible heat conduction plate cooperates with flexible heat conduction strip and conducts heat to flexible heat dissipation plate, and flexible heat dissipation plate disperses heat, finally reaches the purpose of the heat dissipation of circuit board body, compared with prior art, the utility model can effectively heat dissipation of circuit board body, can avoid the work temperature of circuit board body being too high, further improves the work efficiency and service life of circuit board body. ACCURACY

[0024] Figure 1 It is the whole structure schematic diagram of the utility model;

[0025] Figure 2 It is the flexible strip structure schematic diagram in the utility model;

[0026] Figure 3 It is the anti -fracture subassembly structure schematic diagram in the utility model;

[0027] Figure 4 It is the partial structure schematic diagram of the utility model;

[0028] Figure 5 The figure is a schematic diagram of the slot structure in the utility model.

[0029] In the figure: 1, circuit board body; 2, flexible strip; 3, flexible heat-conducting plate; 4, first connecting block; 5, second connecting block; 6, first flexible long strip; 7, third connecting block; 8, second flexible long strip; 9, flexible heat-conducting strip; 10, flexible heat-insulating plate; 11, flexible heat-dissipating plate; 12, slot; 13, fourth connecting block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] In order to better understand the above technical solutions, the above technical solutions will be described in detail in combination with the drawings in the description and specific embodiments.

[0032] Embodiment 1:

[0033] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: to achieve the above purpose, the utility model provides the following technical scheme: a kind of anti-fracture flexible circuit board, comprising: circuit board body 1;Circuit board body 1 both sides outer wall are connected with flexible strip 2;Circuit board body 1 bottom is connected with flexible heat-conducting plate 3;Flexible heat-conducting plate 3 bottom is provided with anti-fracture assembly, and anti-fracture assembly includes the first connecting block 4, second connecting block 5, third connecting block 7, fourth connecting block 13 connected in the bottom of flexible heat-conducting plate 3;First connecting block 4, second connecting block 5 between fixed with first flexible long strip 6;Third connecting block 7, fourth connecting block 13 between fixed with second flexible long strip 8, and first flexible long strip 6, second flexible long strip 8 are pasted in the bottom of flexible heat-conducting plate 3 by glue;First flexible long strip 6, second flexible long strip 8 bottom are connected with flexible heat-insulating plate 10, and flexible heat-insulating plate 10 bottom is connected with flexible heat-dissipating plate 11, and first flexible long strip 6, second flexible long strip 8 are connected with each other, and anti-fracture assembly is provided with four groups, and slot 12 is set up on flexible heat-insulating plate 10, and flexible heat-conducting strip 9 is connected in the bottom of flexible heat-conducting plate 3, and flexible heat-conducting strip 9 bottom passes through slot 12 and is connected with flexible heat-dissipating plate 11.

[0034] Specifically, the utility model discloses a kind of flexible strip 2 being connected to the both sides outer wall of circuit board body 1, flexible strip 2 can improve the tensile resistance of circuit board body 1 on one hand, avoid the fracture of circuit board body 1, on the other hand, can avoid the crease or breakage of both ends of circuit board body 1, further avoid the fracture of circuit board body 1.

[0035] By being provided with first flexible long strip 6, second flexible long strip 8, and first flexible long strip 6, second flexible long strip 8 are connected with each other, so it can improve the transverse tensile resistance of circuit board body 1 under the cooperation of first flexible long strip 6, second flexible long strip 8, also can improve the vertical tensile resistance of circuit board body 1, further avoid the fracture of circuit board body 1, compared with prior art, the fracture resistance of circuit board body 1 in the utility model is stronger, thereby improve the working efficiency and service life of circuit board body 1.

[0036] The utility model discloses a kind of flexible heat-conducting plate 3 being connected to the bottom of circuit board body 1, flexible heat-conducting plate 3 will absorb the heat of circuit board body 1, flexible heat-conducting plate 3 is cooperated with flexible heat-conducting strip 9 and conduction is conducted to flexible heat-dissipating plate 11, flexible heat-dissipating plate 11 is dispersed to heat again, finally reach the purpose of heat dissipation to circuit board body 1, compared with prior art, the utility model can effectively heat dissipation to circuit board body 1, can avoid that the working temperature of circuit board body 1 is too high, further improve the working efficiency and service life of circuit board body 1.

[0037] Example 2:

[0038] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of anti-fracture flexible circuit board, flexible strip 2, flexible heat-conducting plate 3, first flexible long strip 6, second flexible long strip 8, flexible heat-dissipating plate 11, flexible heat-conducting strip 9 are made of flexible material.

[0039] Specifically, since flexible strip 2, flexible heat-conducting plate 3, first flexible long strip 6, second flexible long strip 8, flexible heat-dissipating plate 11, flexible heat-conducting strip 9 are made of flexible material, so circuit board body 1 can carry out normal bending work, improve the working efficiency of circuit board body 1.

[0040] Working principle:

[0041] By being connected to the both sides outer wall of circuit board body 1 with flexible strip 2, flexible strip 2 can improve the tensile resistance of circuit board body 1 on one hand, avoid the fracture of circuit board body 1, on the other hand, can avoid the crease or breakage of both ends of circuit board body 1, further avoid the fracture of circuit board body 1;

[0042] Through being provided with the first flexible long strip 6, the second flexible long strip 8, and the first flexible long strip 6 and the second flexible long strip 8 are cross-connected, so that the transverse tensile resistance of the circuit board body 1 can be improved under cooperation of the first flexible long strip 6 and the second flexible long strip 8, the vertical tensile resistance of the circuit board body 1 can be improved, and further, the circuit board body 1 is prevented from being broken;

[0043] Through being provided with the flexible heat-conducting plate 3 connected to the bottom of the circuit board body 1, the flexible heat-conducting plate 3 can absorb heat of the circuit board body 1, the flexible heat-conducting plate 3 cooperates with the flexible heat-conducting strip 9 to conduct heat to the flexible heat-dissipating plate 11, the flexible heat-dissipating plate 11 dissipates the heat, and finally, the circuit board body 1 is cooled.

[0044] In the description of the present application, it should be understood that the terms "center", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application.

[0045] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A breakage-proof flexible wiring board, characterized by comprising: Include: Circuit board body (1); Both sides of the circuit board body (1) are connected with flexible strips (2); The bottom of the circuit board body (1) is connected with a flexible heat-conducting plate (3); The bottom of the flexible heat-conducting plate (3) is provided with a fracture prevention assembly, which comprises a first connecting block (4), a second connecting block (5), a third connecting block (7) and a fourth connecting block (13) connected to the bottom of the flexible heat-conducting plate (3); The first flexible long strip (6) is fixed between the first connecting block (4) and the second connecting block (5); The second flexible long strip (8) is fixed between the third connecting block (7) and the fourth connecting block (13); The bottom of the first flexible long strip (6) and the second flexible long strip (8) is connected with a flexible heat insulation plate (10), and the bottom of the flexible heat insulation plate (10) is connected with a flexible heat dissipation plate (11).

2. The anti-break flexible wiring board according to claim 1, wherein The first flexible long strip (6) and the second flexible long strip (8) are connected with each other.

3. The anti-break flexible wiring board according to claim 1, wherein The fracture prevention assembly is provided with four groups.

4. The anti-break flexible wiring board according to claim 1, wherein The flexible heat insulation plate (10) is provided with a through slot (12), the bottom of the flexible heat-conducting plate (3) is connected with a flexible heat-conducting strip (9), the bottom of the flexible heat-conducting strip (9) passes through the through slot (12) and is connected with the flexible heat dissipation plate (11).

5. The anti-break flexible circuit board of claim 1, wherein, The flexible strip (2), the flexible heat-conducting plate (3), the first flexible long strip (6), the second flexible long strip (8), the flexible heat dissipation plate (11) and the flexible heat-conducting strip (9) are all made of flexible material.

6. The anti-break flexible circuit board of claim 1, wherein, The first flexible long strip (6) and the second flexible long strip (8) are all pasted on the bottom of the flexible heat-conducting plate (3) by glue.