Flexible circuit board with bending limiting function

Abstract

The utility model discloses a flexible circuit board with bending limit, and relates to the technical field of bending limit of flexible circuit boards, the flexible circuit board comprises a flexible circuit board, a soft rubber sleeve and a metal iron wire, the outer side of the bending position of the flexible circuit board is also provided with a supporting assembly, the supporting assembly is used for supporting the bending angle of the flexible circuit board, and the supporting assembly is used for supporting the bending angle of the flexible circuit board. And the flexible circuit board is prevented from bending again in later use. According to the utility model, through the arrangement of the rubber sleeve, the flexible circuit board 1 cannot be bent to 180 degrees, so that the condition that the flexible circuit board is damaged due to excessive bending is effectively avoided, and when the flexible circuit board is bent to a required angle, the bent metal iron wire can prevent the flexible circuit board and the soft rubber sleeve from resetting, so that the required bending angle can be quickly obtained; meanwhile, the supporting assembly supports the bending area of the flexible circuit board, so that the situation that the bending area of the flexible circuit board is excessively bent due to external extrusion force in the later use process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bending and limiting of flexible circuit boards, in particular to a flexible circuit board with bending and limiting functions. Background Art

[0002] Flexible circuit boards, also known as "soft boards", are printed circuits made of flexible insulating substrates. They can be bent, wound, and folded freely, and can withstand millions of dynamic bendings without damaging the wires. They can be arranged arbitrarily according to spatial layout requirements, and can be moved and stretched arbitrarily in three-dimensional space, thereby achieving the integration of component assembly and wire connection. Flexible circuit boards can greatly reduce the size and weight of electronic products, and are suitable for the development of electronic products towards high density, miniaturization, and high reliability.

[0003] Although the flexible circuit board can be bent during actual use, if it is bent 180°, it will cause wire breakage. In addition, the ink-type protective layer is not resistant to bending. For example, the printed area cannot be bent more than 90°. In order to avoid excessive bending of the flexible circuit board, a flexible circuit board with a bending limit is provided. Utility Model Content

[0004] The purpose of the utility model is to provide a flexible circuit board with bending limit in order to solve the above-mentioned problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible circuit board with bending limit, comprising a flexible circuit board, soft rubber sleeves are bonded and fixed to the edges of both sides of the flexible circuit board, a metal wire is wrapped in the middle of the soft rubber sleeve, the soft rubber sleeve is used to limit the bending of the flexible circuit board to prevent the flexible circuit board from bending 180 degrees, the metal wire is bent synchronously with the soft rubber sleeve, and the bent metal wire is used to position the angle of the soft rubber sleeve after bending;

[0006] A support component is also installed on the outer side of the bending part of the flexible circuit board, and the support component is used to support the bending angle of the flexible circuit board to prevent the flexible circuit board from bending again during later use.

[0007] As a further solution of the utility model: the support assembly includes a support seat, a storage slot, and a clamping slot;

[0008] The receiving groove is provided on the outer side of the support base, and the track of the receiving groove matches the track of the outer side of the support base, the end angle of the support base matches the bending angle of the flexible circuit board, and the receiving groove is used for the flexible circuit board to be inserted and stored;

[0009] The clamping grooves are symmetrically arranged on both sides of the inner wall of the storage groove, and the track of the clamping grooves matches the track of the bent soft rubber sleeve. The clamping grooves are used for the soft rubber sleeve to be clamped in.

[0010] As a further solution of the present invention: the cross section of the clamping groove is a "C"-shaped structure, and the height of the opening of the clamping groove is smaller than the outer diameter of the soft rubber sleeve.

[0011] As a further solution of the utility model: the end angle of the support seat is set according to the bending angle requirement of the flexible circuit board, and the support seat, the storage groove and the clamping groove are integrally formed by an injection molding process.

[0012] As a further solution of the utility model: a plurality of soft rubber sleeves are evenly arranged along the side length track of the flexible circuit board, and a notch for inserting the edge of the flexible circuit board is formed on the soft rubber sleeve near the edge of the flexible circuit board.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By providing the rubber sleeve, the flexible circuit board 1 cannot be bent to 180 degrees, thereby effectively avoiding damage caused by excessive bending of the flexible circuit board. When bent to the required angle, the bent metal wire can prevent the flexible circuit board and the soft rubber sleeve from being reset, so that the required bending angle can be quickly obtained. At the same time, the support component supports the bending area of ​​the flexible circuit board to avoid excessive bending of the flexible circuit board due to external extrusion force during later use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 For the utility model Figure 1 A magnified view of the position A in the middle;

[0017] Figure 3 It is a structural schematic diagram of the support assembly of the utility model;

[0018] Figure 4 It is a structural schematic diagram of another angle support seat of the utility model.

[0019] In the figure: 1. flexible circuit board; 2. soft rubber sleeve; 3. metal wire; 4. support assembly; 401. support seat; 402. storage slot; 403. snap-in slot. DETAILED DESCRIPTION

[0020] The following will be combined with 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 in 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.

[0021] See also Figures 1 to 4 In an embodiment of the utility model, a flexible circuit board with bending limit includes a flexible circuit board 1, soft rubber sleeves 2 are bonded and fixed to the edges of both sides of the flexible circuit board 1, a metal wire 3 is wrapped in the middle of the soft rubber sleeve 2, the soft rubber sleeve 2 is used to limit the bending of the flexible circuit board 1 to prevent the flexible circuit board 1 from bending 180 degrees, the metal wire 3 is bent synchronously with the soft rubber sleeve 2, and the bent metal wire 3 is used to position the angle of the soft rubber sleeve 2 after bending;

[0022] A support assembly 4 is also installed on the outer side of the bending part of the flexible circuit board 1, and the support assembly 4 is used to support the bending angle of the flexible circuit board 1 to prevent the flexible circuit board 1 from bending again during later use;

[0023] The support assembly 4 includes a support seat 401, a storage slot 402, and a clamping slot 403;

[0024] The storage groove 402 is provided on the outer side of the support base 401, and the track of the storage groove 402 matches the track of the outer side of the support base 401, and the end angle of the support base 401 matches the bending angle of the flexible circuit board 1, and the storage groove 402 is used for the flexible circuit board 1 to be inserted and stored;

[0025] The clamping grooves 403 are symmetrically arranged on both sides of the inner wall of the receiving groove 402 , and the track of the clamping grooves 403 matches the track of the bent soft rubber sleeve 2 , and the clamping grooves 403 are used for the soft rubber sleeve 2 to be clamped in.

[0026] In this embodiment: when the flexible circuit board 1 is bent, the soft rubber sleeve 2 and the metal wire 3 at the bending position are bent synchronously. When bent to a required angle, the bent metal wire 3 can prevent the flexible circuit board 1 and the soft rubber sleeve 2 from resetting, so that the required bending angle can be quickly obtained;

[0027] At the same time, the volume of the soft rubber sleeve 2 is limited so that the flexible circuit board 1 cannot be bent to 180 degrees, thereby effectively preventing the flexible circuit board 1 from being damaged due to excessive bending.

[0028] When the flexible circuit board 1 is bent to a required angle, a support seat 401 with a matching angle can be taken to support the inner side of the bending area of ​​the flexible circuit board 1. At this time, the support seat 401 is placed on the inner side of the bending area of ​​the flexible circuit board 1, and the soft rubber sleeve 2 is squeezed to make it snap into the inner side of the corresponding snap-in groove 403, and the bent flexible circuit board 1 is stored in the inner side of the storage groove 402. Through this structure, the bending area of ​​the flexible circuit board 1 can be supported, thereby preventing the bending area of ​​the flexible circuit board 1 from being excessively bent due to external squeezing force during later use.

[0029] Please refer to Figures 3-4 The cross section of the snap-in groove 403 is a “C”-shaped structure, and the height of the opening of the snap-in groove 403 is smaller than the outer diameter of the soft rubber sleeve 2 .

[0030] In this embodiment: through this structure, when the soft rubber sleeve 2 is inserted into the clamping groove 403, it will shrink towards the force. When the soft rubber sleeve 2 completely enters the clamping groove 403, the soft rubber sleeve 2 will reset under the action of its own elastic force. At this time, the soft rubber sleeve 2 is not easy to fall off from the clamping groove 403, thereby ensuring the stable installation of the support seat 401.

[0031] Please refer to Figures 3-4 The end angle of the support base 401 is set according to the bending angle requirement of the flexible circuit board 1, and the support base 401, the receiving groove 402, and the clamping groove 403 are integrally formed by an injection molding process.

[0032] In this embodiment: the support base 401 with different angles can meet the bending requirements of the flexible circuit board 1 at different angles, and the support base 401 can be produced and processed in a standardized manner, so as to meet the large-scale installation requirements of the flexible circuit board 1.

[0033] Please refer to Figures 2-3 A plurality of soft rubber sleeves 2 are evenly arranged along the side length track of the flexible circuit board 1 , and a notch for inserting the edge of the flexible circuit board 1 is formed at the edge of the soft rubber sleeve 2 close to the edge of the flexible circuit board 1 .

[0034] In this embodiment: a plurality of evenly distributed soft rubber sleeves 2 can adapt to the bending requirements of different positions of the flexible circuit board 1, and the soft rubber sleeves 2 wrapped around the edge of the flexible circuit board 1 can prevent tearing at the edge when the flexible circuit board 1 is bent.

[0035] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A flexible circuit board with a bending limiter, comprising a flexible circuit board (1), characterized in that: The flexible circuit board (1) is bonded and fixed with a soft rubber sleeve (2) on both side edges, and a metal iron wire (3) is wrapped in the middle of the soft rubber sleeve (2). The soft rubber sleeve (2) is used to limit the bending of the flexible circuit board (1) to prevent the flexible circuit board (1) from bending 180 degrees. The metal iron wire (3) is bent synchronously with the soft rubber sleeve (2), and the bent metal iron wire (3) is used to position the angle of the soft rubber sleeve (2) after bending; A support component (4) is also installed on the outer side of the bending portion of the flexible circuit board (1), and the support component (4) is used to support the bending angle of the flexible circuit board (1) to prevent the flexible circuit board (1) from bending again during subsequent use.

2. A flexible circuit board with bending limit according to claim 1, characterized in that: The support assembly (4) comprises a support seat (401), a storage slot (402), and a clamping slot (403); The receiving groove (402) is arranged on the outside of the support seat (401), and the track of the receiving groove (402) matches the track of the outside of the support seat (401), the end angle of the support seat (401) matches the bending angle of the flexible circuit board (1), and the receiving groove (402) is used for the flexible circuit board (1) to be inserted and stored; The clamping groove (403) is symmetrically arranged on both sides of the inner wall of the receiving groove (402), and the track of the clamping groove (403) matches the track of the bent soft rubber sleeve (2). The clamping groove (403) is used for the soft rubber sleeve (2) to be clamped in.

3. A flexible circuit board with bending limit according to claim 2, characterized in that: The cross section of the clamping groove (403) is in a "C"-shaped structure, and the height of the opening of the clamping groove (403) is smaller than the outer diameter of the soft rubber sleeve (2).

4. The flexible circuit board with bending limit according to claim 2, characterized in that: The end angle of the support seat (401) is set according to the bending angle requirement of the flexible circuit board (1), and the support seat (401), the storage slot (402), and the clamping slot (403) are integrally formed through an injection molding process.

5. The flexible circuit board with bending limit according to claim 1, characterized in that: A plurality of the soft rubber sleeves (2) are evenly arranged along the side length track of the flexible circuit board (1), and a notch is formed on the soft rubber sleeve (2) near the edge of the flexible circuit board (1) for the edge of the flexible circuit board (1) to be inserted.

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