Anti-bending cable

Abstract

The utility model relates to the technical field of cables, and discloses an anti-bending cable, which comprises a cable body, the cable body comprises a filler, a protective sleeve and a plurality of cable cores, a tensile core is arranged in the filler, the plurality of cable cores are all arranged in the filler, the protective sleeve is arranged on the circumferential outer wall of the filler, and the cable cores are arranged in the protective sleeve. The protective sleeve comprises an armor layer, the armor layer is arranged on the outer wall of the circumference of the filler through a wrapping process, the tensile core comprises a carbon fiber composite strip, and a plurality of polyimide wires are wound on the outer wall of the circumference of the carbon fiber composite strip. According to the utility model, the strength of the cable is large, so that the cable is not easy to bend when being pulled, the internal wire cores are prevented from being staggered, the anti-bending performance of the cable is improved, and a dual-insulation effect can be achieved, so that the cable has a good insulation effect, and the service life of the cable is prolonged. And the use safety of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more specifically to a bending-resistant cable. Background Art

[0002] Cable is an electrical device used to transmit electrical energy or signals. The main function of cable is to transmit electrical energy or signals from power stations, substations, power sources or signal sources to terminals.

[0003] After searching, a Chinese patent with publication number CN209134018U discloses a cable protective cover and a cable, which have the advantages of good anti-rat and anti-ant effect, good flexibility in use and simple structure. However, there are still the following defects: the cable will inevitably be pulled and bent during the laying process, and the existing cable is heavy, and when it is pulled and bent, the wire core inside is prone to be intertwined, which has a certain impact on its use. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a bending-resistant cable to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solution: a bending-resistant cable, comprising a cable body, the cable body comprising a filler, a protective sleeve and a plurality of cable cores, a tensile core being arranged in the filler, the plurality of cable cores being arranged in the filler, the protective sleeve being arranged on the circumferential outer wall of the filler, the protective sleeve comprising an armor layer, the armor layer being arranged on the circumferential outer wall of the filler by a wrapping process, the tensile core comprising a carbon fiber composite strip, the circumferential outer wall of the carbon fiber composite strip being wound with a plurality of polyimide filaments.

[0006] As a further solution of the present invention, the armor layer is formed by interlacing and weaving a plurality of steel bars.

[0007] As a further solution of the utility model, the plurality of cable cores each include a plurality of copper wires, and an insulating sleeve 2 is formed on the outer side of the plurality of copper wires through an extrusion process.

[0008] As a further solution of the utility model, the protective sleeve also includes an insulating sleeve 1, and the insulating sleeve 1 is arranged on the outside of the armor layer through an extrusion process.

[0009] As a further solution of the utility model, the armor layer is located between the filler and the insulating sleeve.

[0010] Technical effects and advantages of the utility model:

[0011] 1. The utility model uses a tensile core and an armor layer in combination. The tensile core is made of polyimide silk wound on the outside of a carbon fiber composite strip. The polyimide silk is a high-performance synthetic fiber with high strength. The carbon fiber composite strip is made of carbon fiber with high tensile strength. The armor layer is woven from a plurality of steel strips, thereby increasing the strength of the cable and preventing the cable from bending easily when pulled, preventing the internal wire core from being staggered, and improving the bending resistance of the cable.

[0012] 2. The utility model uses the insulating sleeve 1 and the insulating sleeve 2 in combination, so that the insulating sleeve 1 and the insulating sleeve 2 can achieve a double insulation effect, thereby making the cable have a better insulation effect and improving the safety of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the front three-dimensional structure of the utility model.

[0014] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model.

[0015] Figure 3 It is a schematic diagram of the enlarged structure of the tensile core of the utility model.

[0016] The accompanying drawings are marked as follows: 1. cable body; 2. tensile core; 3. filler; 4. cable core; 5. protective sleeve; 6. insulating sleeve one; 7. insulating sleeve two; 8. copper wire; 9. armor layer; 10. polyimide wire; 11. carbon fiber composite strip. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0018] Reference Figure 1-Figure 3The utility model provides a bending-resistant cable, including a cable body 1, the cable body 1 includes a filler 3, a protective sleeve 5 and a plurality of cable cores 4, a tensile core 2 is arranged in the filler 3, the plurality of cable cores 4 are arranged in the filler 3, the protective sleeve 5 is arranged on the circumferential outer wall of the filler 3, the protective sleeve 5 includes an armor layer 9, and the armor layer 9 is arranged on the circumferential outer wall of the filler 3 through a wrapping process, the tensile core 2 includes a carbon fiber composite strip 11, and a plurality of polyimide wires 10 are wound around the circumferential outer wall of the carbon fiber composite strip 11, the polyimide wire 10 is a high-performance synthetic fiber with high strength, the carbon fiber composite strip 11 is made of carbon fiber as a material, and has a large tensile strength, the armor layer 9 is woven from a plurality of steel strips, so that the strength of the cable is large, so that the cable can be prevented from being easily bent when pulled, and the internal core is prevented from being staggered, thereby improving the bending resistance of the cable.

[0019] The armor layer 9 is formed by interlacing and weaving multiple steel bars, and the multiple cable cores 4 each include multiple copper wires 8. The outer sides of the multiple copper wires 8 are formed with insulating sleeves 2 7 through an extrusion process. The protective sleeve 5 also includes an insulating sleeve 1 6. The insulating sleeve 1 6 is arranged on the outer side of the armor layer 9 through an extrusion process. The armor layer 9 is located between the filler 3 and the insulating sleeve 1 6. The materials of the insulating sleeve 1 6 and the insulating sleeve 2 7 are both rubber. The insulating sleeve 1 6 and the insulating sleeve 2 7 can have a double insulation effect, so that the cable has a better insulation effect and improves the safety of cable use.

[0020] The working principle of the utility model is as follows: an insulating sleeve 6 is formed on the outside of multiple copper wires 8 by an extrusion process using rubber raw materials, thereby making a cable core 4, multiple polyimide wires 10 are wound on the outside of a carbon fiber composite strip 11 to form a tensile core 2, and the tensile core 2 is located in the middle of multiple cable cores 4. The polyimide wire 10 is a high-performance synthetic fiber with high strength. The carbon fiber composite strip 11 is made of carbon fiber and has a large tensile strength. Then, a filler 3 is formed on the outside of multiple cable cores 4 by an extrusion process using phenolic resin as a raw material, and multiple steel bars are woven into a mesh to form an armor layer 9. The armor layer 9 is arranged on the outside of the filler 3 by a wrapping process. The armor layer 9 is woven from multiple steel bars, so that the strength of the cable is greater, thereby preventing the cable from bending easily when pulled, preventing the internal core from being staggered, and improving the bending resistance of the cable. An insulating sleeve 7 is formed on the outside of the armor layer 9 by an extrusion process using rubber raw materials, thereby making a cable.

[0021] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0022] In the drawings of the embodiments disclosed by the present invention, only the structures related to the embodiments disclosed by the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. A bending-resistant cable, comprising a cable body (1), characterized in that: The cable body (1) comprises a filler (3), a protective sleeve (5) and a plurality of cable cores (4); a tensile core (2) is arranged in the filler (3); the plurality of cable cores (4) are arranged in the filler (3); the protective sleeve (5) is arranged on the circumferential outer wall of the filler (3); the protective sleeve (5) comprises an armor layer (9); the armor layer (9) is arranged on the circumferential outer wall of the filler (3) by a wrapping process; the tensile core (2) comprises a carbon fiber composite strip (11); a plurality of polyimide filaments (10) are wound around the circumferential outer wall of the carbon fiber composite strip (11).

2. The anti-bending cable according to claim 1, characterized in that: The armor layer (9) is formed by interlacing and weaving a plurality of steel bars.

3. The anti-bending cable according to claim 1, characterized in that: The plurality of cable cores (4) each comprises a plurality of copper wires (8), and the outer sides of the plurality of copper wires (8) are provided with an insulating sleeve 2 (7) through an extrusion process.

4. The anti-bending cable according to claim 1, characterized in that: The protective sleeve (5) further comprises an insulating sleeve 1 (6), and the insulating sleeve 1 (6) is arranged on the outside of the armor layer (9) through an extrusion process.

5. The anti-bending cable according to claim 4, characterized in that: The armor layer (9) is located between the filler (3) and the insulating sleeve (6).

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