CN218525336U

CN218525336U - Cable that tears is prevented in prevention mechanical damage

Info

Publication number: CN218525336U
Application number: CN202222858920.XU
Authority: CN
Inventors: 魏海波; 刘承文
Original assignee: Yanggu East China Special Cable Co ltd
Current assignee: Yanggu East China Special Cable Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-02-24
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to a wire and cable field just discloses a tear cable is torn in prevention mechanical damage, including the sinle silk to and cup joint the shielding layer at the sinle silk outer wall, the outer wall of shielding layer is provided with inside filling layer, the outside filling layer of the outer wall fixedly connected with of inside filling layer, the outer wall fixedly connected with rubber protective sleeve of outside filling layer. A tear-resistant cable of prevention mechanical damage, on the cotton basis of filling memory, set up the buffer spring structure, when the cable received the extrusion, the spring took place to deform under the pressure effect, produce the elasticity opposite with the extrusion force, cooperation memory is cotton weakens pressure, reduce the harmful effects that the extrusion produced to the cable, still be equipped with one in the inside of memory cotton filling layer and be polypropylene fibre line filling layer, when the cable suffered to stretch, utilize the characteristics that polypropylene fibre line and extension spring elasticity are good, make the cable can not appear the tearing condition at tensile in-process.

Description

Tear-resistant cable capable of preventing mechanical damage

Technical Field

The utility model relates to a wire and cable field specifically is a tear-resistant cable of prevention mechanical damage.

Background

The cable is an electric energy or signal transmission device, usually comprises several or several groups, the economy of our country continues to increase rapidly, has provided huge market space for the cable product, with the continuous expansion of trades scale such as our country's electric power industry, data communication industry, automobile industry and shipbuilding, the demand to the electric wire and cable will also increase rapidly, the electric wire and cable industry has huge development potential in the future.

When the existing cable is used, the compression resistance and the tear resistance are poor, the cable can not work normally easily under the condition of extrusion, the cable is torn easily when the cable is stretched, and the normal use of a line is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a cable is torn in prevention mechanical damage possesses strong, the effectual advantage of anti tearing of anti extrudability, solves above-mentioned problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tear-resistant cable of prevention mechanical damage, includes the sinle silk to and cup joint the shielding layer at the sinle silk outer wall, the outer wall of shielding layer is provided with inside filling layer, the outside filling layer of outer wall fixedly connected with of inside filling layer, the outer wall fixedly connected with rubber protective sheath of outside filling layer, the inner wall fixedly connected with installation piece of rubber protective sheath, the lower extreme surface of installation piece is provided with buffer spring, buffer spring's lower extreme external surface fixedly connected with connecting block, the front end surface of outside filling layer is provided with extension spring.

Preferably, the upper end, the lower extreme, the left side, the right side of connecting block all are provided with buffer spring, and buffer spring keeps away from the one end of connecting block and all is provided with the installation piece.

Preferably, the radian of the outer wall of the mounting block is consistent with that of the inner wall of the rubber protective sleeve.

Preferably, the mounting block is internally provided with a mounting hole, and the mounting hole is matched with the shielding layer.

Preferably, the inner filling layer is a polypropylene yarn, the outer filling layer is memory cotton, and the length of the inner filling layer is the same as that of the outer filling layer.

Preferably, the shielding layer is a tinned copper wire shielding net, so that the transmission loss of signals can be reduced, external interference can be shielded, and radiation can be reduced.

(III) advantageous effects

Compared with the prior art, the utility model provides a cable is torn in prevention mechanical damage tearing possesses following beneficial effect:

this tear-resistant cable of prevention mechanical damage, on the basis of filling the memory cotton, set up the buffer spring structure, when the cable received the extrusion, the spring takes place deformation under the pressure effect, produce the elasticity opposite with the extrusion force, the cooperation memory cotton weakens pressure, reduce the harmful effects that the extrusion produced to the cable, when pressure was removed, the spring can the fast recovery original state, the resistance that the cotton reconversion of memory faced reduces simultaneously, so the memory cotton also can comparatively quick recovery, thereby whole cable can be very fast recover to the original state before receiving the extrusion, inside at the cotton filling layer of memory still is equipped with one and is polypropylene fibre line filling layer, when the cable suffered tensile, utilize the good characteristics of polypropylene fibre line and extension spring elasticity, make the cable can not appear the tearing condition at tensile in-process.

Drawings

Fig. 1 is a perspective view of a mechanical damage prevention tear resistant cable of the present invention;

fig. 2 is an overall schematic view of the mechanical damage prevention tear resistant cable of the present invention;

fig. 3 is a schematic structural view of the buffer assembly in the tear-resistant cable for preventing mechanical damage of the present invention.

In the figure: 1. a wire core; 2. a shielding layer; 3. an internal filling layer; 4. an outer filling layer; 5. a rubber protective sleeve; 6. mounting a block; 7. a buffer spring; 8. connecting blocks; 9. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a cable for preventing mechanical damage and tear includes a core 1, the core 1 is a component for transmitting signals inside the cable and is used for conducting electricity, and a shielding layer 2 sleeved on the outer wall of the core 1, the shielding layer 2 can reduce the influence of an external electromagnetic field on a power supply or a communication line, and also has an effect of preventing the line from radiating electromagnetic energy outwards, the outer wall of the external filling layer 4 is fixedly connected with a rubber protective sleeve 5, and the rubber protective sleeve 5 can play a certain role in wear resistance, compression resistance and tear resistance through the characteristics of the rubber material.

The outer wall of shielding layer 2 is provided with inside filling layer 3, inside filling layer 3 is the polypropylene fibre line, the polypropylene fibre line is spun into the silk after using propylene to get polypropylene as the raw materials through the polymerization, the polypropylene fibre line has intensity height, wearability and elasticity are good, specific gravity is light, corrosion-resistant, the characteristics of acid and alkali-resistance, the front end surface of outside filling layer 4 is provided with extension spring 9, when the cable suffered to stretch, utilize the good characteristics of polypropylene fibre line and extension spring 9 elasticity, make the cable can not appear the tearing condition at tensile in-process.

The outer wall fixedly connected with outside filling layer 4 of inside filling layer 3, outside filling layer 4 is the memory cotton, the memory cotton is a polyurethane high-molecular polymer who has open cell structure, this material has apparent bullet characteristic of gluing, embody very soft material characteristic, and there is very strong impact energy absorbing capacity, the inner wall fixedly connected with installation piece 6 of rubber protective sheath 5, the lower extreme surface of installation piece 6 is provided with buffer spring 7, buffer spring 7's lower extreme surface fixedly connected with connecting block 8, on the basis of filling the memory cotton, set up buffer spring 7 structure, when the cable receives the extrusion, the spring takes place deformation under the pressure effect, produce the elasticity opposite with the extrusion force, cooperation memory cotton weakens pressure, reduce the harmful effects that the extrusion produced to the cable, when pressure is removed, the spring can the reconversion fast, the resistance that the reconversion of memory cotton reconversion was faced reduces simultaneously, so the memory cotton also can be comparatively quick recovery, thereby whole cable can comparatively fast recover to the reconversion before receiving the extrusion.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cable is torn in tearing of prevention mechanical damage, includes sinle silk (1) to and cup joint shielding layer (2) at sinle silk (1) outer wall, its characterized in that: the outer wall of shielding layer (2) is provided with inside filling layer (3), the outside filling layer (4) of outer wall fixedly connected with of inside filling layer (3), the outer wall fixedly connected with rubber protective sheath (5) of outside filling layer (4), the inner wall fixedly connected with installation piece (6) of rubber protective sheath (5), the lower extreme surface of installation piece (6) is provided with buffer spring (7), the lower extreme external surface fixedly connected with connecting block (8) of buffer spring (7), the front end surface of outside filling layer (4) is provided with extension spring (9).

2. The mechanical damage prevention tear resistant cable of claim 1 wherein: the upper end, the lower extreme, the left side, the right side of connecting block (8) all are provided with buffer spring (7), and buffer spring (7) keep away from the one end of connecting block (8) and all are provided with installation piece (6).

3. The mechanical damage prevention tear resistant cable of claim 2 wherein: the radian of the outer wall of the mounting block (6) is consistent with that of the inner wall of the rubber protective sleeve (5).

4. The mechanical damage prevention tear resistant cable of claim 3 wherein: the mounting block (6) is internally provided with a mounting hole, and the mounting hole is matched with the shielding layer (2).

5. The mechanical damage prevention tear resistant cable of claim 1 wherein: the inner filling layer (3) is a polypropylene fiber wire, the outer filling layer (4) is memory cotton, and the length of the inner filling layer (3) is the same as that of the outer filling layer (4).

6. The mechanical damage prevention tear resistant cable of claim 1 wherein: the shielding layer (2) is a tinned copper wire shielding net, so that the transmission loss of signals can be reduced, external interference can be shielded, and radiation can be reduced.