CN215450952U

CN215450952U - Bending-resistant low-voltage cable

Info

Publication number: CN215450952U
Application number: CN202121587956.8U
Authority: CN
Inventors: 林奕利
Original assignee: Guangdong Kingforyou Wire Cable Co ltd
Current assignee: Guangdong Kingforyou Wire Cable Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-07
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a bending-resistant low-voltage cable, which comprises a low-voltage cable body and a rubber sleeve, wherein a rubber box and a rubber block are fixedly arranged in the rubber sleeve, the rubber block is connected with the rubber box in a sliding manner, a copper sheet is fixedly arranged on the inner wall of the rubber box, a fixed rod is fixedly arranged on the outer wall of one side of the copper sheet, a spring is sleeved on the outer wall of the fixed rod, a roller is fixedly connected onto the outer wall of one end of the spring, the low-voltage cable body is wound on the surface of the roller, a protective layer is fixedly arranged on the inner wall of the low-voltage cable body, when external force is used for pulling and disappearing the low-voltage cable body, the low-voltage cable body is pulled and contracted through the elastic force generated by the spring, the phenomenon that the low-voltage cable is pulled and damaged is greatly reduced, so that the service life of the low-voltage cable body is prolonged, when the copper sheet is arranged in the rubber box and the rubber block, the purpose of protecting effect is achieved, and the anti-breaking performance of the cable is improved, the cable is prevented from being damaged due to long-time bending, so that the bending resistance and the elasticity of the cable are improved.

Description

Bending-resistant low-voltage cable

Technical Field

The utility model relates to the technical field of cables, in particular to a bending-resistant low-voltage cable.

Background

The cable is made of one or more mutually insulated conductors coated with insulation and protective layers, the wires for transmitting power or information from one place to another place are usually cable similar to rope formed by twisting several or several groups of wires, each group of wires are mutually insulated and often twisted around a center, the whole cable is coated with a highly insulated coating, the cable mainly comprises bare wire, electromagnetic wire, insulated wire for electrical and mechanical equipment, power cable, communication cable and optical cable, the cable comprises power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable and the like, and the cables are all composed of multi-strand wires and are used for connecting circuits, electrical and the like.

The derivation/new product of the wire and cable is mainly produced by adopting new materials, special materials, or changing the product structure, or improving the process requirements, or combining different products according to the requirements of application occasions, different application requirements, convenience of equipment, reduction of equipment cost and the like, and adopting different materials such as: flame retardant cable, low smoke and zero halogen low halogen cable, prevent termite, anti-aging mouse line, the cable often need buckle in the use and drag, and cable protection nature is relatively poor at present, leads to the cable very easily to produce the cracked trouble of damage or heart yearn at the process of buckling, seriously influences the result of use, and if meet external extrusion force in the use, can take place to warp, has influenced the use of cable, buckles easily moreover, causes the influence to inside circuit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bending-resistant low-voltage cable, which aims to solve the problems that the cable is easy to damage or core wire breakage in the bending process due to poor protection performance of the cable in the prior art, the use effect is seriously influenced, and the cable is easy to bend and influences internal circuits due to deformation if external extrusion force is applied in the use process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a resistant low tension cable of buckling, includes low tension cable body and rubber sleeve, the inside fixed mounting of rubber sleeve has rubber box and block rubber, the block rubber with rubber box sliding connection, fixed mounting has the copper sheet on the inner wall of rubber box, fixed mounting has the dead lever on one side outer wall of copper sheet, the cover is equipped with the spring on the outer wall of dead lever, fixedly connected with cylinder on the one end outer wall of spring, just the low tension cable body winding is in the cylinder on the surface, fixed mounting has the protective layer on the inner wall of low tension cable body, the inside fixed mounting of protective layer has the enhancement layer, the inside fixed mounting of enhancement layer has fire-retardant filling layer, the even subsection in inside of fire-retardant filling layer has the copper wire.

Preferably, a convex block is fixedly arranged on the outer wall of one side of the rubber sleeve.

Preferably, the outer walls of the two sides of the rubber sleeve are respectively and fixedly provided with a sealing ring.

Preferably, the reinforcing layer is formed by weaving galvanized steel wires and uniformly surrounds the surface of the flame-retardant filling layer.

Preferably, the protective layer comprises an anticorrosive layer, a waterproof layer and a flame retardant layer.

Preferably, the copper sheets are distributed on the periphery of the low-voltage cable body.

Preferably, the inner part of the flame-retardant filling layer is evenly distributed with copper wires.

The utility model has the technical effects and advantages that:

1. when external force drags and disappears the low tension cable body, drag the shrink to it through the elasticity that the spring produced, the phenomenon that the low tension cable was dragged the damage that has significantly reduced to improve its self life, when the internally mounted copper sheet of rubber box and block rubber, be in order to play the guard action, improve the anti rolling damage performance of cable, avoid the cable to buckle for a long time and cause the damage, thereby improve its self resistant bending nature and elasticity.

2. Through installation lug and enhancement layer, can not only increase the outside frictional force of cable, the roll that appears when reducing to place improves the efficiency of installation, can also be the phenomenon that prevents the copper wire wearing and tearing and produce the broken string, and its sturdy structure is even, and the wholeness can be good, even local cut or bear pressure also can not take place loose phenomenon.

Drawings

FIG. 1 is a schematic view of the overall structure of the rubber case of the present invention.

FIG. 2 is a schematic view showing the structure of the rubber case of the present invention.

FIG. 3 is a schematic view of the structure of the copper sheet of the present invention.

Fig. 4 is a schematic diagram of the structure of the copper wire of the present invention.

Fig. 5 is a schematic view of the structure of the drum of the present invention.

In the figure: 1. a low voltage cable body; 2. a rubber sleeve; 3. a bump; 4. a seal ring; 5. a rubber block; 6. a rubber box; 7. a copper sheet; 8. a drum; 9. fixing the rod; 10. a copper wire; 11. a reinforcing layer; 12. a protective layer; 13. a flame retardant filler layer; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a bending-resistant low-voltage cable as shown in figures 1-5, which comprises a low-voltage cable body 1 and a rubber sleeve 2, wherein a rubber box 6 and a rubber block 5 are fixedly arranged in the rubber sleeve 2, the rubber block 5 is connected with the rubber box 6 in a sliding manner, copper sheets 7 are fixedly arranged on the inner wall of the rubber box 6, the copper sheets 7 are distributed on the periphery of the low-voltage cable body 1, a fixing rod 9 is fixedly arranged on the outer wall of one side of each copper sheet 7, a spring 14 is sleeved on the outer wall of the fixing rod 9, a roller 8 is fixedly connected on the outer wall of one end of the spring 14, the low-voltage cable body 1 is wound on the surface of the roller 8, a protective layer 12 is fixedly arranged on the inner wall of the low-voltage cable body 1, the protective layer 12 comprises an anticorrosive layer, a waterproof layer and a flame-retardant layer, a reinforcing layer 11 is fixedly arranged in the protective layer 12, and a flame-retardant filling layer 13 is fixedly arranged in the reinforcing layer 11, copper wires 10 are distributed in the flame-retardant filling layer 13, an anticorrosive layer, a waterproof layer and a flame-retardant layer are arranged in the protective layer 12 to protect the surface of the low-voltage cable body 1, so that the bending resistance of the cable is improved, and the problem that the cable is damaged due to long-time bending and short-circuit accidents are avoided, when the low-voltage cable body 1 is bent, the copper sheet 7 generates elastic force to reset the bent low-voltage cable body 1, the rubber box 6 and the rubber block 5 are arranged on the surface of the copper sheet 7 to play a role of protection, so that the bending resistance and the elasticity of the low-voltage cable body 1 are improved, when the low-voltage cable body 1 is pulled or subjected to thermal barrier cold contraction caused by weather, the low-voltage cable bodies 1 on two sides are elongated on the roller 8, and when external force disappears, the low-voltage cable body 1 is reset through the elastic force generated by the spring 14, the phenomenon that the low-voltage cable is pulled and damaged is greatly reduced, and the service life of the low-voltage cable is prolonged.

In this embodiment, the rubber sleeve 2 is fixedly provided with a convex block 3 on the outer wall of one side, and the convex block 3 is arranged to increase the friction force outside the cable and reduce the rolling when placed, thereby improving the installation efficiency.

In this embodiment, on the both sides outer wall of rubber sleeve 2 respectively fixed mounting have sealing washer 4, at the both sides installation sealing washer 4 of rubber sleeve 2, can not only fix low tension cable body 1 in the position of rubber sleeve 2, can also guarantee to improve its self leakproofness.

In this embodiment, the reinforcing layer 11 is formed by weaving galvanized steel wires and uniformly surrounds the surface of the flame-retardant filling layer 13, and the reinforcing layer 11 surrounds the surface of the flame-retardant filling layer 13 to prevent the copper wires 10 from being broken due to abrasion, and the structure is firm and uniform, the overall performance is good, and even if the reinforcing layer is locally cut or bears pressure, the reinforcing layer is not loosened.

This practical theory of operation: the utility model relates to a bending-resistant low-voltage cable, which is characterized in that when a low-voltage cable body 1 is pulled or is subjected to thermal barrier contraction caused by weather, the low-voltage cable bodies 1 on two sides are stretched in a roller 8, when external force disappears, the low-voltage cable body 1 is reset through the elastic force generated by a spring 14, an anticorrosive layer, a waterproof layer and a flame-retardant layer are arranged inside a protective layer 12, the surface of the low-voltage cable body 1 is protected, the breaking resistance of the cable is improved, when the low-voltage cable body 1 is bent, the bent low-voltage cable body 1 is reset through the elastic force generated by a copper sheet 7, and a rubber box 6 and a rubber block 5 are arranged on the surface of the copper sheet 7, so that the protection effect is achieved.

The reinforcing layer 11 is wound on the surface of the flame-retardant filling layer 13 to prevent the copper wire 10 from being broken due to abrasion, and the mounting lug 3 is used for increasing the friction force outside the cable and reducing the rolling when the cable is placed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a resistant low tension cable that buckles, includes low tension cable body (1) and rubber sleeve (2), its characterized in that: the utility model discloses a low-voltage cable winding device, including rubber sleeve (2), rubber block (5), rubber box (6) sliding connection, fixed mounting has copper sheet (7) on the inner wall of rubber box (6), fixed mounting has dead lever (9) on the outer wall of one side of copper sheet (7), the cover is equipped with spring (14) on the outer wall of dead lever (9), fixedly connected with cylinder (8) on the one end outer wall of spring (14), just low-voltage cable body (1) winding is in cylinder (8) on the surface, fixed mounting has protective layer (12) on the inner wall of low-voltage cable body (1), the inside fixed mounting of protective layer (12) has enhancement layer (11), the inside fixed mounting of enhancement layer (11) has fire-retardant filling layer (13).

2. A bend-resistant low-voltage cable according to claim 1, characterized in that: and a convex block (3) is fixedly arranged on the outer wall of one side of the rubber sleeve (2).

3. A bend-resistant low-voltage cable according to claim 1, characterized in that: and sealing rings (4) are respectively and fixedly installed on the outer walls of the two sides of the rubber sleeve (2).

4. A bend-resistant low-voltage cable according to claim 1, characterized in that: the reinforcing layer (11) is formed by weaving galvanized steel wires and uniformly surrounds the surface of the flame-retardant filling layer (13).

5. A bend-resistant low-voltage cable according to claim 1, characterized in that: the protective layer (12) comprises an anticorrosive layer, a waterproof layer and a flame retardant layer.

6. A bend-resistant low-voltage cable according to claim 1, characterized in that: the copper sheets (7) are uniformly distributed on the periphery of the low-voltage cable body (1).

7. A bend-resistant low-voltage cable according to claim 1, characterized in that: copper wires (10) are distributed in the flame-retardant filling layer (13).