Flexible circuit board capable of avoiding fracture at joint
By installing connecting blocks and reinforcing plates on flexible circuit boards and fixing them to the connecting blocks using structures such as fixing posts, limiting holes, and screws, the problems of breakage at the connection points of flexible circuit boards and detachment of gold fingers are solved, and stable connection of the circuit boards is achieved.
Patent Information
- Application Number
- CN202520231062.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-13
AI Technical Summary
The existing flexible circuit board has relatively weak joints that are prone to breakage, and the gold fingers of the circuit board cannot be fixed in place, making them easy to fall off.
Connecting blocks and reinforcing plates are installed on the flexible circuit board and fixed to the connecting blocks using structures such as fixing posts, limiting holes, positioning holes, and screws. The rigidity of the reinforcing plate is used to prevent breakage and detachment.
It effectively prevents breakage at the connection points of flexible circuit boards and detachment of gold fingers, ensuring a stable connection of the circuit board.
Smart Images
Figure CN223884705U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flexible circuit board technical field, concretely is a kind of flexible circuit board to avoid connection fracture. BACKGROUND
[0002] Flexible circuit board is also called "soft board", it is the printed circuit made with flexible insulating substrate, flexible circuit provides excellent electrical performance, can satisfy the design needs of smaller and higher density installation, also help to reduce assembly process and enhance reliability, flexible circuit board is the only solution to meet the miniaturization and mobile requirements of electronic products. It can be freely bent, wound, folded, can withstand millions of dynamic bending without damaging the wire, can be arranged arbitrarily according to the space layout requirements, and can be moved and stretched arbitrarily in three-dimensional space, but in actual use, similar flexible circuit board still has many defects, such as: the existing flexible circuit board connection is relatively weak, the connection is prone to fracture, most of the circuit board gold fingers cannot be fixed, and only rely on simple extrusion fixation, which is easy to fall off in use. SUMMARY
[0003] The utility model aims at providing a kind of flexible circuit board to avoid connection fracture to solve the problems raised in the above background.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of flexible circuit board to avoid connection fracture, including flexible circuit board, the one end of the flexible circuit board is fixedly installed with connecting block, the one end center of the connecting block is fixedly installed with gold finger, the upper end of the flexible circuit board is equipped with two sets of limiting hole, the upper end of the connecting block is equipped with two sets of positioning hole.
[0005] When using the flexible circuit board to avoid connection fracture, first, two sets of reinforcing plates are used to clamp the two sides of the flexible circuit board, then the flexible circuit board and the connecting block are strung up using the lower shell, the fixing column is passed through the limiting hole and the positioning hole, the upper shell is buckled, and the whole is fixed together using the limiting screw, so that the flexible circuit board can be completely fixed with the connecting block, the connection between the flexible circuit board and the connecting block can be prevented from being broken, the reinforcing plate can further enhance the hardness of the flexible circuit board, after the gold finger is inserted into the terminal, the fixing screw is tightened, the fixing screw is installed on the terminal through the fixing block, which can prevent the situation of falling off in use, and can avoid poor contact.
[0006] As a preferred technical scheme of the utility model, the two sides of the flexible circuit board are fixedly installed with reinforcing plate, the upper end of the reinforcing plate is equipped with plate hole, and the plate hole is concentrically matched with the limiting hole.
[0007] As a preferred technical scheme of the utility model, the inner wall of the positioning hole is slidably installed with a lower shell, four groups of fixed columns are fixedly installed on the upper end of the lower shell, and a first threaded hole is formed in the center of the upper end of each fixed column.
[0008] As a preferred technical scheme of the utility model, the two groups of fixed columns are matched with the two groups of positioning holes, and the other two groups of fixed columns are matched with the two groups of limiting holes.
[0009] As a preferred technical scheme of the utility model, the other end of the fixed column is connected with an upper shell, four groups of screw holes are formed in the upper end of the upper shell, the outer wall of the fixed column penetrates the screw hole, and a limiting screw is installed in the first threaded hole; by arranging the limiting screw, after the limiting screw is screwed into the first threaded hole, the upper shell and the lower shell can be tightly attached, so that the flexible circuit board inside is clamped.
[0010] As a preferred technical scheme of the utility model, the two sides of the upper shell are fixedly installed with fixed blocks, a second threaded hole is formed in one end of each of the two groups of fixed blocks, and a fixed screw is installed in the second threaded hole; by arranging the fixed screw, after the fixed screw is tightened, the fixed screw can extrude the fixed block, so that the connecting block is tightly attached to the terminal and prevents falling off.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1. When the flexible circuit board is used to avoid connection rupture, first, two groups of reinforcing plates are used to clamp the two sides of the flexible circuit board, then the lower shell is used to string the flexible circuit board and the connecting block, the fixed column penetrates the limiting hole and the positioning hole, the upper shell is buckled, the limiting screw is used to fix the whole together, the flexible circuit board can be completely fixed with the connecting block, the connection between the flexible circuit board and the connecting block can be prevented from being broken, and the hardness of the flexible circuit board can be further enhanced through the reinforcing plate.
[0013] 2. By arranging the fixed screw, after the golden finger is inserted into the terminal, the fixed screw is installed on the terminal by tightening the fixed screw, so that the falling off during use can be prevented, and poor contact can be avoided. ACCURATE DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is an explosion structural schematic diagram of the utility model;
[0016] Figure 3 It is a half cut structure schematic diagram of the utility model.
[0017] In the diagram: 1. Flexible circuit board; 2. Connecting block; 3. Gold finger; 4. Positioning hole; 5. Limiting hole; 6. Lower shell; 7. Fixing post; 8. First threaded hole; 9. Upper shell; 10. Fixing block; 11. Second threaded hole; 12. Screw hole; 13. Fixing screw; 14. Limiting screw; 15. Reinforcing plate; 16. Board hole. Detailed Implementation
[0018] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.
[0019] Example 1
[0020] like Figure 1 - Figure 3 As shown, the present invention proposes a flexible circuit board to avoid breakage at the connection point, including a flexible circuit board 1, a connecting block 2 fixedly installed at one end of the flexible circuit board 1, a gold finger 3 fixedly installed at the center of one end of the connecting block 2, two sets of limiting holes 5 opened at the upper end of the flexible circuit board 1, and two sets of positioning holes 4 opened at the upper end of the connecting block 2.
[0021] A reinforcing plate 15 is fixedly installed on both sides of the flexible circuit board 1. The upper end of the reinforcing plate 15 is provided with a plate hole 16, which is concentrically fitted with the limiting hole 5.
[0022] A lower shell 6 is slidably installed on the inner wall of the positioning hole 4. Four sets of fixing posts 7 are fixedly installed on the upper end of the lower shell 6. A first threaded hole 8 is opened at the center of the upper end of each fixing post 7.
[0023] The working principle of a flexible circuit board based on Embodiment 1 to prevent breakage at the connection is as follows: When using the flexible circuit board to prevent breakage at the connection, firstly, two sets of reinforcing plates 15 are used to clamp the two sides of the flexible circuit board 1. Then, the lower shell 6 is used to connect the flexible circuit board 1 and the connecting block 2 together, so that the fixing post 7 passes through the limiting hole 5 and the positioning hole 4. After the upper shell 9 is fastened, the entire assembly is fixed together with the limiting screw 14, which can completely fix the flexible circuit board 1 to the connecting block 2, thus preventing breakage at the connection between the flexible circuit board 1 and the connecting block 2. The reinforcing plate 15 can further enhance the rigidity of the flexible circuit board 1. After inserting the gold finger 3 into the terminal, the fixing screw 13 is tightened. The fixing screw 13 passes through the fixing block 10 and is installed on the terminal, which can prevent the device from falling off during use and avoid poor contact.
[0024] Example 2
[0025] like Figure 1 - Figure 3As shown, the flexible circuit board proposed by this utility model to avoid breakage at the connection point, compared with the first embodiment, further includes: two sets of fixing posts 7 cooperating with two sets of positioning holes 4, and two other sets of fixing posts 7 cooperating with two sets of limiting holes 5. The other end of the fixing post 7 is connected to the upper shell 9. The upper end of the upper shell 9 is provided with four sets of screw holes 12. The outer wall of the fixing post 7 passes through the screw holes 12. The internal engagement of the first threaded hole 8 is fitted with a limiting screw 14. Fixing blocks 10 are fixedly installed on both sides of the upper shell 9. One end of each of the two sets of fixing blocks 10 is provided with a second threaded hole 11. The internal engagement of the second threaded hole 11 is fitted with a fixing screw 13.
[0026] In this embodiment, as Figure 2 As shown, four sets of fixing posts 7 are provided, which pass through the positioning hole 4 and the limiting hole 5, thus serving to connect the whole structure; as Figure 3 As shown, by setting a limiting screw 14, after the limiting screw 14 is screwed into the first threaded hole 8, the upper shell 9 and the lower shell 6 can be tightly attached, thereby clamping the internal flexible circuit board 1; as Figure 3 As shown, by setting a fixing screw 13, after tightening the fixing screw 13, the fixing screw 13 can squeeze the fixing block 10, so that the connecting block 2 is tightly attached to the end and prevents it from falling off.
[0027] The above specific embodiments are merely several preferred technical solutions of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A flexible circuit board avoiding breakage at a connection, comprising a flexible circuit board (1), characterized in that: One end of the flexible circuit board (1) is fixedly installed with a connecting block (2), one end of the connecting block (2) is fixedly installed with a gold finger (3), the upper end of the flexible circuit board (1) is provided with two sets of limiting holes (5), and the upper end of the connecting block (2) is provided with two sets of positioning holes (4).
2. The flexible circuit board of claim 1, wherein: Both sides of the flexible circuit board (1) are fixedly installed with reinforcing plates (15), the upper end of the reinforcing plate (15) is provided with a plate hole (16), and the plate hole (16) is concentrically matched with the limiting hole (5).
3. The flexible circuit board of claim 2, wherein: The inner wall of the positioning hole (4) is slidably installed with a lower shell (6), the upper end of the lower shell (6) is fixedly installed with four sets of fixed columns (7), and the upper end of the fixed column (7) is provided with a first threaded hole (8) at the center.
4. The flexible circuit board of claim 3, wherein: Two sets of the fixed column (7) are matched with two sets of the positioning hole (4), and the other two sets of the fixed column (7) are matched with two sets of the limiting hole (5).
5. The flexible circuit board of claim 4, wherein: the first and second flexible circuit boards are formed of a material having a thickness of about 0.005 inches to about 0.020 inches. The other end of the fixed column (7) is connected with an upper shell (9), the upper end of the upper shell (9) is provided with four sets of screw holes (12), the outer wall of the fixed column (7) penetrates the screw hole (12), and the first threaded hole (8) is internally meshed with a limiting screw (14).
6. The flexible circuit board of claim 5, wherein: Both sides of the upper shell (9) are fixedly installed with fixed blocks (10), one end of two sets of the fixed block (10) is provided with a second threaded hole (11), and the second threaded hole (11) is internally meshed with a fixed screw (13).