CN220171818U

CN220171818U - Bending-resistant flexible cable

Info

Publication number: CN220171818U
Application number: CN202321700236.7U
Authority: CN
Inventors: 徐杰明; 田小庆; 田跃红
Original assignee: Jiangsu Shuanghua Wire And Cable Co ltd
Current assignee: Jiangsu Shuanghua Wire And Cable Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-12
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to the technical field of cable production, in particular to an anti-bending flexible cable which comprises a cable body, wherein the cable body comprises a plurality of conductor units, insulating layers and an outer sheath, copper wires are fixedly connected in the conductor units, first insulating layers are wrapped on the outer walls of the copper wires, semiconductor layers are wrapped on the outer walls of the first insulating layers, a endurance strip is arranged between the conductor units and is made of polyester fiber materials, an inner sheath is arranged in the cable body, fillers are arranged between the inner wall of the inner sheath and the conductor units, a second insulating layer is wrapped on the outer wall of the inner sheath, an anti-bending layer is wrapped on the outer wall of the second insulating layer, and the anti-bending layer is made of polyurethane materials. The bending resistance of the whole cable is improved through the endurance bar and the bending resistance layer, and the problems that the flexibility and the wear resistance are poor, and the cable is easy to crack and break after being bent and twisted are solved.

Description

Bending-resistant flexible cable

Technical Field

The utility model relates to an anti-bending flexible cable, in particular to an anti-bending flexible cable, and belongs to the technical field of cable production.

Background

The bending-resistant flexible cable is a cable with higher flexibility and wear resistance, and is suitable for occasions requiring frequent bending and movement, such as the fields of robots, medical equipment, automobile electronics, aerospace electronics and the like. In the past decades, along with the continuous development of technology and the improvement of application requirements, the development and application of anti-bending flexible cables are also widely focused, and the traditional cables are mainly made of copper core wires, polyvinyl chloride and other materials, and have the problems of poor flexibility and wear resistance, easy fracture and breakage caused by the influence of bending and twisting, and the like, although the traditional cables have good conductivity and mechanical properties.

Accordingly, there is a need for improvements in flex cable resistance to bending to address the above-described problems.

Disclosure of Invention

The utility model aims to provide a bending-resistant flexible cable, which increases the bending-resistant capability of the whole cable through a endurance strip and a bending-resistant layer and solves the problems of poor flexibility and wear resistance and easy cracking and fracture caused by bending and twisting.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps: the cable body, the cable body contains a plurality of conductor units, first insulating layer and oversheath constitution, a plurality of equal fixedly connected with copper line in the conductor unit, a plurality of all wrap up on the copper line outer wall has first insulating layer, a plurality of all wrap up on the first insulating layer outer wall has the semiconductor layer, a plurality of be provided with the endurance strip between the conductor unit outer wall, the endurance strip is polyester fiber material, the inside inner sheath that is provided with of cable body, inner sheath inner wall and a plurality of be provided with the filler between the conductor unit, wrap up on the inner sheath outer wall has the second insulating layer, wrap up on the outer wall of second insulating layer has the anti-bending layer, the anti-bending layer is polyurethane material.

Preferably, the outer wall of the semiconductor layer is wrapped with a protecting belt, and the outer wall of the protecting belt is wrapped with a shielding layer.

Preferably, the outer surface of the bending-resistant layer is provided with a polyester film, and the outer surface of the polyester film is provided with an alloy aluminum armor.

Preferably, a second inner protection layer is wrapped on the outer wall of the alloy aluminum armor, and an outer sheath is wrapped outside the second inner protection layer.

Preferably, the outer surface of the cable body is sprayed with an antioxidant layer.

Preferably, a waterproof layer is arranged on the outer surface of the outer sheath.

Preferably, the first outer sheath is a halogen-free flame retardant material.

The utility model has at least the following beneficial effects:

1. the bending-resistant layer made of the polyurethane material can effectively play roles in flexibility and wear resistance, the endurance strip arranged in the middle of the plurality of conductor units can play roles in effective shaping, and the anti-bending-resistant layer has higher impact strength and tensile strength, can bear larger force and pressure, and is not easy to break and deform, so that the purpose of being difficult to damage in bending is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic cross-sectional view of a cable body of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of a conductor unit according to the present utility model;

in the figure, 1, a cable body; 2. a conductor unit; 3. a first insulating layer; 4. an outer sheath; 5. copper wire; 6. a first insulating layer; 7. a semiconductor layer; 8. a endurance bar; 9. a first inner sheath; 10. a filler; 11. a second insulating layer; 12. an anti-bending layer; 13. a protective tape; 14. a shielding layer; 15. a polyester film; 16. alloy aluminum armor; 17. a second inner protective layer; 18. an oxidation resistant layer; 19. and a waterproof layer.

Detailed Description

The following detailed description of embodiments of the present utility model will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present utility model can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

As shown in fig. 1-2, in the bending-resistant flexible cable provided in this embodiment, a cable body 1, the cable body 1 includes a plurality of conductor units 2, a first insulating layer 6 and an outer sheath 4, copper wires 5 are fixedly connected in the plurality of conductor units 2, the outer walls of the plurality of copper wires 5 are wrapped with the first insulating layer 6, the outer walls of the plurality of first insulating layers 6 are wrapped with a semiconductor layer 7, a endurance strip 8 is arranged between the outer walls of the plurality of conductor units 2, and the endurance strip 8 is made of a polyester fiber material;

further, as shown in fig. 2, the outer wall of the semiconductor layer 7 is wrapped with a protecting belt 13, the protecting belt 13 can effectively protect the semiconductor layer 7, the outer wall of the protecting belt 13 is wrapped with a shielding layer 14, the shielding layer 14 can shield the generated electromagnetic field in the cable, and the peripheral elements are protected from the electromagnetic field;

the cable body 1 is internally provided with a first inner sheath 9, a filler 10 is arranged between the inner wall of the first inner sheath 9 and the plurality of conductor units 2, a second insulating layer 11 is wrapped on the outer wall of the first inner sheath 9, an anti-bending layer 12 is wrapped on the outer wall of the second insulating layer 11, and the anti-bending layer 12 is made of polyurethane materials.

Further, as shown in fig. 1, the outer surface of the bending-resistant layer 12 is provided with a polyester film 15, the polyester film 15 can well protect a plurality of conductor units 2 in the inner protection layer in a comfortable manner, the use strength is improved, damage is avoided, the outer surface of the polyester film 15 is provided with an alloy aluminum armor 16, and the alloy aluminum armor 16 is light, durable, corrosion-resistant and the like, so that the inside of a cable can be well protected effectively.

Still further, as shown in fig. 1, the second inner protective layer 17 is wrapped on the outer wall of the alloy aluminum armor 16, the outer sheath 4 is wrapped on the second inner protective layer 17, and the inside of the cable can be effectively protected from being damaged by utilizing the double-layer protection of the second inner protective layer 17 and the outer sheath 4.

Still further, as shown in fig. 1, the antioxidant layer 18 is sprayed on the outer surface of the cable body 1, so that the antioxidant performance of the cable can be effectively improved, and the service life of the cable can be prolonged.

Still further, as shown in fig. 1, the waterproof layer 19 is disposed on the outer surface of the outer sheath 4, so that the cable is effectively protected from water inflow, and thus electric leakage is avoided.

Still further, as shown in fig. 1, the outer sheath 4 is made of halogen-free flame retardant material, so as to reduce damage to the cable caused by external fire.

As shown in fig. 1-2, the principle of the bending-resistant flexible cable provided in this embodiment is as follows: in the use, the ageing of whole cable can be effectively protected to apparent oxidation resistance layer 18, waterproof layer 19 can effectively protect the cable be difficult for intaking, take place the electric leakage, make people's risk of electric shock, and the material of oversheath 4 is halogen-free flame retardant material, just so can avoid producing the back of condition of a fire greatly, thereby lead to the condition that can not use, through the dual insulation effect of first insulating layer 6 and second insulating layer 11, can effectively protect the cable be difficult for electric leakage, avoid appearing the electric shock risk, the effect of semiconductor layer 7 outside first insulating layer 6 is in order to protect the first insulating layer 6 of cable, simultaneously also can improve the withstand voltage ability of cable, and be in the withstand voltage strip 8 between a plurality of conductor unit 2 outer walls then can play effectual shaping effect, higher impact strength and tensile strength have moreover, can bear great strength and pressure, difficult fracture and deformation, thereby not fragile when reaching the whole flexible, then can reach the flexibility through the bending resistance of polyurethane material's that sets up the bending resistance layer 12.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude that an additional identical element is present in a commodity or system comprising the element.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The utility model provides a bending-resistant flexible cable, includes cable body (1), its characterized in that: the cable comprises a cable body (1) and is characterized in that the cable body comprises a plurality of conductor units (2), a first insulating layer (6) and an outer sheath (4), wherein copper wires (5) are fixedly connected in the conductor units (2), the first insulating layer (6) is wrapped on the outer wall of the copper wires (5), a semiconductor layer (7) is wrapped on the outer wall of the first insulating layer (6), a plurality of endurance strips (8) are arranged between the conductor units (2), and the endurance strips (8) are made of polyester fiber materials;

the cable is characterized in that an inner sheath (9) is arranged inside the cable body (1), a filler (10) is arranged between the inner wall of the inner sheath (9) and the plurality of conductor units (2), a second insulating layer (11) is wrapped on the outer wall of the inner sheath (9), a bending-resistant layer (12) is wrapped on the outer wall of the second insulating layer (11), and the bending-resistant layer (12) is made of polyurethane materials.

2. The bending resistant flex cable of claim 1 wherein: the outer wall of the semiconductor layer (7) is wrapped with a protective belt (13), and the outer wall of the protective belt (13) is wrapped with a shielding layer (14).

3. The bending resistant flex cable of claim 1 wherein: the outer surface of the bending-resistant layer (12) is provided with a polyester film (15), and the outer surface of the polyester film (15) is provided with an alloy aluminum armor (16).

4. A bending-resistant flexible cable according to claim 3, wherein: the outer wall of the alloy aluminum armor (16) is wrapped with a second inner protective layer (17), and the outer jacket (4) is wrapped by the second inner protective layer (17).

5. The bending resistant flex cable of claim 1 wherein: an antioxidant layer (18) is sprayed on the outer surface of the cable body (1).

6. The bending resistant flex cable of claim 1 wherein: the outer surface of the outer sheath (4) is provided with a waterproof layer (19).

7. The bending resistant flex cable of claim 1 wherein: the outer sheath (4) is made of halogen-free flame-retardant material.