CN219418545U - Bending-resistant structure of circuit board flat cable - Google Patents
Bending-resistant structure of circuit board flat cable Download PDFInfo
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- CN219418545U CN219418545U CN202320392461.2U CN202320392461U CN219418545U CN 219418545 U CN219418545 U CN 219418545U CN 202320392461 U CN202320392461 U CN 202320392461U CN 219418545 U CN219418545 U CN 219418545U
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Abstract
The utility model discloses a bending-resistant structure of a circuit board wire harness, which relates to the technical field of circuit board wire harnesses and aims to solve the problem that the bending-resistant structure of the traditional circuit board wire harness is poor in rebound performance at the bending-resistant position of the circuit board wire harness, so that the damage probability of the wire harness is increased.
Description
Technical Field
The utility model relates to the technical field of circuit board flat cables, in particular to a bending-resistant structure of a circuit board flat cable.
Background
In the conventional circuit board flat cable structure, as in the application number: 202220819712.6; the name is: a bending-resistant structure for a circuit board flat cable. The device comprises: the flat cable comprises a base layer, an upper flexible insulating protective layer and a lower flexible insulating protective layer, a plurality of connecting channels are arranged in the base layer along the length direction of the flat cable, fracture-resistant channels are arranged between adjacent connecting channels, wires are arranged in the connecting channels, and fine spring steel wires are arranged in the fracture-resistant channels; in practical application, the connecting plugs at two ends are communicated through the wires in the connecting channels, and the flat cable has good bending resistance through the thin spring steel wires in the fracture-resistant channels; the flat cable has good electrical insulation and wear resistance through the upper flexible insulating protective layer and the lower flexible insulating protective layer; the utility model has thin thickness, can also protect the flat cable from breaking when folded in half, and has longer service life.
However, the bending resistance of the conventional circuit board flat cable has the problem that the deformation damage probability of the flat cable is increased because the bending resistance of the circuit board flat cable is poor; therefore, the existing requirements are not satisfied, and for this reason, we propose a bending-resistant structure for a circuit board flat cable.
Disclosure of Invention
The utility model aims to provide a bending-resistant structure of a circuit board flat cable, which solves the problem that the bending-resistant structure of the prior circuit board flat cable provided in the background art has poor rebound performance at the bending-resistant part of the circuit board flat cable, so that the probability of damage of the flat cable deformation is increased.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a structure of buckling is nai to circuit board winding displacement, includes flat resistant winding displacement cover, winding displacement, the winding displacement sets up both ends around the winding displacement cover of buckling is nai to the flat, the inside of flat resistant winding displacement cover of buckling is provided with the winding displacement pipe, the inside of flat resistant winding displacement cover of buckling has set gradually corrosion-resistant rubber layer, high temperature resistant adhesive layer, rubber rebound layer, insulating layer from outside to inside.
Further, the winding displacement pipe sets up in the inside of high temperature resistant adhesive layer, and winding displacement pipe and the inside gluing shaping setting on high temperature resistant adhesive layer.
Further, the inside of winding displacement pipe is provided with the winding displacement core, and winding displacement core and winding displacement electric connection, the outside of winding displacement core is provided with insulating sheath, and insulating sheath has improved insulating properties.
Further, the outside of insulating sheath is provided with gluing enhancement layer, and gluing enhancement layer has effectively improved insulating sheath's structural strength.
Further, the inside of insulating crust is provided with fire-retardant layer, and fire-retardant layer has improved the fire-retardant performance to its inner structure.
Further, an oval rebound cavity is formed in the circle center of the flat bending-resistant winding displacement sleeve, and the oval rebound cavity and the flat bending-resistant winding displacement sleeve are integrally formed.
Further, both sides of winding displacement all are provided with hard plastic limit, and hard plastic limit and winding displacement thermoplastic shaping setting, and hard plastic limit makes the winding displacement inseparable and prevents effectively that the winding displacement from taking place bending deformation rupture risk emergence.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the flat bending-resistant winding displacement sleeve and the winding displacement tube, the flat bending-resistant winding displacement sleeve is arranged at the bending position, the winding displacement is electrically connected with the winding displacement core in the winding displacement tube, the winding displacement tube effectively avoids the problem of short circuit caused by damage of the outer skin of the winding displacement core when the flat bending-resistant winding displacement sleeve is bent, the rebound performance of the flat bending-resistant winding displacement sleeve is greatly improved by the rubber rebound layer, so that the flat bending-resistant winding displacement sleeve can recover deformation by self elasticity in a non-bending state, the oval flat shape and the oval rebound cavity of the flat bending-resistant winding displacement sleeve can absorb bending stress better, the protection effect on the winding displacement core is greatly improved, and the problem that the damage probability of winding displacement deformation is increased due to poor rebound performance of the winding displacement bending-resistant position of the circuit board is solved.
2. Through the setting of rigid plastic limit, rigid plastic limit makes the winding displacement inseparable and effectively prevents that the winding displacement from taking place bending deformation rupture risk emergence.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a flat buckle resistant cable jacket according to the present utility model;
FIG. 3 is a schematic view of the semi-sectional structure of the drain pipe of the present utility model;
FIG. 4 is an enlarged view of a portion of the utility model at A;
in the figure: 1. flat bending-resistant winding displacement sleeve; 2. a flat cable; 3. an elliptical rebound cavity; 4. a wire discharge tube; 5. a corrosion-resistant rubber layer; 6. a high temperature resistant adhesive layer; 7. a rubber rebound layer; 8. an insulating layer; 9. an insulating sheath; 10. a flame retardant layer; 11. a cable core; 12. an adhesive reinforcing layer; 13. a hard plastic rim.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a circuit board winding displacement structure of nai buckling, includes flat resistant winding displacement cover 1, winding displacement 2 sets up both ends around flat resistant winding displacement cover 1, the inside of flat resistant winding displacement cover 1 of nai buckling is provided with winding displacement pipe 4, the inside of flat resistant winding displacement cover 1 of nai buckling has set gradually corrosion-resistant rubber layer 5, high temperature resistant gluing agent layer 6, rubber rebound layer 7, insulating layer 8 from outside to inside, the both sides of winding displacement 2 all are provided with rigid plastic limit 13, and rigid plastic limit 13 and winding displacement 2 thermoplastic shaping setting, the inside of winding displacement pipe 4 is provided with winding displacement 11, and winding displacement 11 and winding displacement 2 electric connection, the outside of winding displacement 11 is provided with insulating sheath 9, the centre of a circle department of flat resistant winding displacement cover 1 is provided with oval rebound cavity 3, and oval rebound cavity 3 and flat resistant winding displacement cover 1 integrated into one piece setting, and rigid plastic limit 13 makes winding displacement 2 winding displacement closely and effectively prevent that winding displacement 2 from taking place bending deformation rupture risk emergence.
The flat bending-resistant winding displacement sleeve 1 is placed at the bending position, the winding displacement 2 is electrically connected with the winding displacement core 11 inside the winding displacement pipe 4, the winding displacement pipe 4 effectively avoids the problem of short circuit caused by the damage of the outer skin of the winding displacement core 11 when the flat bending-resistant winding displacement sleeve 1 bends, the rebound resilience performance of the flat bending-resistant winding displacement sleeve 1 is greatly improved by the rubber rebound layer 7, the flat bending-resistant winding displacement sleeve 1 can recover deformation by elasticity under the bending-free state, the bending stress can be better absorbed by the oval flat shape and the oval rebound cavity 3 of the flat bending-resistant winding displacement sleeve 1, the protection effect on the winding displacement core 11 is greatly improved, and the problem of the increase of the damage probability of winding displacement deformation caused by the poor rebound performance of the bending-resistant winding displacement of the circuit board is solved.
Wherein, the winding displacement pipe 4 sets up in the inside of high temperature resistant adhesive layer 6, and winding displacement pipe 4 and the inside gluing shaping setting of high temperature resistant adhesive layer 6.
In addition, the outside of insulating sheath 9 is provided with gluing reinforcement layer 12, the inside of insulating sheath 9 is provided with fire-retardant layer 10, and fire-retardant layer 10 has improved the fire-retardant performance to its inner structure.
Working principle: when the flat bending-resistant winding displacement sleeve 1 is used, the flat bending-resistant winding displacement sleeve 1 is placed at the bending position, the winding displacement 2 is electrically connected with the winding displacement core 11 inside the winding displacement pipe 4, the winding displacement pipe 4 effectively avoids the problem of short circuit occurrence of the damage of the outer skin of the winding displacement core 11 when the flat bending-resistant winding displacement sleeve 1 bends, the rebound resilience performance of the flat bending-resistant winding displacement sleeve 1 is greatly improved by the rubber rebound layer 7, the flat bending-resistant winding displacement sleeve 1 can recover deformation by elasticity under the bending-free state, the oval flat shape and the oval rebound cavity 3 of the flat bending-resistant winding displacement sleeve 1 can absorb bending stress better, the protection effect on the winding displacement core 11 is greatly improved, the hard plastic edge 13 enables the winding displacement 2 to be compact and effectively prevents the winding displacement risk occurrence of the winding displacement 2, and the problem of the damage probability increase of the winding displacement deformation damage caused by the rebound performance of the bending-resistant bending position of the winding displacement of the circuit board is greatly improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a circuit board winding displacement structure of nai buckling, includes flat resistant winding displacement cover (1), winding displacement (2), its characterized in that: the flat winding displacement (2) is arranged at the front end and the rear end of the flat bending-resistant winding displacement sleeve (1), the winding displacement pipe (4) is arranged in the flat bending-resistant winding displacement sleeve (1), and the corrosion-resistant rubber layer (5), the high-temperature-resistant adhesive layer (6), the rubber rebound layer (7) and the insulating layer (8) are sequentially arranged in the flat bending-resistant winding displacement sleeve (1) from outside to inside.
2. The bending-resistant structure of a circuit board flat cable according to claim 1, wherein: the wire arrangement tube (4) is arranged in the high-temperature-resistant adhesive layer (6), and the wire arrangement tube (4) and the high-temperature-resistant adhesive layer (6) are arranged in an adhesive molding mode.
3. The bending-resistant structure of a circuit board flat cable according to claim 1, wherein: the wire arrangement tube is characterized in that a wire arrangement core (11) is arranged in the wire arrangement tube (4), the wire arrangement core (11) is electrically connected with the wire arrangement wire (2), and an insulating sheath (9) is arranged on the outer side of the wire arrangement core (11).
4. A circuit board flat cable bending-resistant structure according to claim 3, wherein: an adhesive reinforcing layer (12) is arranged on the outer side of the insulating sheath (9).
5. A circuit board flat cable bending-resistant structure according to claim 3, wherein: the inside of the insulating sheath (9) is provided with a flame-retardant layer (10).
6. The bending-resistant structure of a circuit board flat cable according to claim 1, wherein: the circle center of the flat bending-resistant winding displacement sleeve (1) is provided with an elliptical rebound cavity (3), and the elliptical rebound cavity (3) and the flat bending-resistant winding displacement sleeve (1) are integrally formed.
7. The bending-resistant structure of a circuit board flat cable according to claim 1, wherein: rigid plastic edges (13) are arranged on two sides of the flat cable (2), and the rigid plastic edges (13) and the flat cable (2) are arranged in a thermoplastic molding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320392461.2U CN219418545U (en) | 2023-03-06 | 2023-03-06 | Bending-resistant structure of circuit board flat cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320392461.2U CN219418545U (en) | 2023-03-06 | 2023-03-06 | Bending-resistant structure of circuit board flat cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219418545U true CN219418545U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320392461.2U Active CN219418545U (en) | 2023-03-06 | 2023-03-06 | Bending-resistant structure of circuit board flat cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219418545U (en) |
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2023
- 2023-03-06 CN CN202320392461.2U patent/CN219418545U/en active Active
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