CN212303169U

CN212303169U - Flame-retardant environment-friendly polyvinyl chloride insulated cable

Info

Publication number: CN212303169U
Application number: CN202021532431.XU
Authority: CN
Inventors: 刘航; 赵乐微
Original assignee: Jinte Cable Co ltd
Current assignee: Jinte Cable Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-01-05
Anticipated expiration: 2030-07-29

Abstract

The utility model belongs to the technical field of the cable technique and specifically relates to a fire-retardant environmental protection polyvinyl chloride insulated cable, including the elasticity filling core, elasticity filling core one side is equipped with a plurality of evenly distributed's heliciform hole, and the heliciform hole inboard is all fixed and is equipped with the insulating layer, and the insulating layer inboard is all fixed and is equipped with conductive core, and the fixed interior fire-retardant layer that is equipped with in the elasticity filling core outside, the fixed high tenacity resilience layer that is equipped with in the interior fire-retardant layer outside, high tenacity resilience layer one side is equipped with a plurality of evenly distributed's mounting hole, and the mounting hole inboard is all fixed and is equipped with high tenacity. The utility model discloses, through setting up fire-retardant layer, outer fire-retardant layer, high tenacity resilience layer, resistance to compression supporting layer, heliciform support ring, wear-resisting metal and weaving the stratum reticulare, make it have fire-retardant, prevent disconnected, resilience, resistance to compression, performance such as wear-resisting, can satisfy multiple user demand, improve its security greatly.

Description

Flame-retardant environment-friendly polyvinyl chloride insulated cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a fire-retardant environmental protection polyvinyl chloride insulated cable.

Background

The cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulation core, and the coating that they probably had separately, total protective layer and outer jacket, the cable among the prior art is mostly only two-layer protective layer inside and outside only, and the structure is comparatively simple, and the function is single, can't satisfy multiple user demand, and flame retardant property is relatively poor, has the potential safety hazard, and wear resistance and compressive property are relatively poor, damages easily, and the life-span is shorter, for this reason, we have proposed a fire-retardant environmental protection polyvinyl chloride insulated cable for solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the cable that exists among the prior art has only inside and outside two-layer protective layer mostly, the structure is comparatively simple, and the function is single, can't satisfy multiple user demand, and flame retardant property is relatively poor, has the potential safety hazard, and wear resistance and compressive property are relatively poor, damage easily, the short shortcoming of life-span, and the fire-retardant environmental protection polyvinyl chloride insulated cable that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

designing a flame-retardant environment-friendly polyvinyl chloride insulated cable, which comprises an elastic filling core, wherein one side of the elastic filling core is provided with a plurality of uniformly distributed spiral holes, the inner sides of the spiral holes are all fixedly provided with insulating layers, the inner sides of the insulating layers are all fixedly provided with conductive wire cores, an inner flame-retardant layer is fixedly arranged on the outer side of the elastic filling core, a high-toughness rebound layer is fixedly arranged on the outer side of the inner flame-retardant layer, a plurality of mounting holes which are uniformly distributed are arranged on one side of the high-toughness rebound layer, high-toughness rebound ropes are fixedly arranged on the inner sides of the mounting holes, a compression-resistant supporting layer is fixedly arranged on the outer side of the high-toughness resilience layer, a waterproof and moistureproof layer is fixedly arranged on the outer side of the compression-resistant supporting layer, the outer side of the waterproof and moistureproof layer is fixedly provided with an outer flame-retardant layer, the outer side of the outer flame-retardant layer is fixedly provided with a wear-resistant metal woven net layer, and the outer side of the wear-resistant metal woven net layer is fixedly provided with a protective outer skin.

Preferably, the inner flame-retardant layer and the outer flame-retardant layer are made of chlorosulfonated polyethylene.

Preferably, the outer side of the compression-resistant supporting layer is provided with a spiral annular groove, and the inner side of the spiral annular groove is fixedly provided with a spiral supporting ring.

Preferably, the insulating layer and the conductive wire core are both of a spiral structure.

Preferably, the protective outer skin is made of polyvinyl chloride synthetic material.

Preferably, the high-toughness rebound rope is made of a butadiene rubber composite material.

Preferably, the high-toughness resilient layer is made of natural rubber synthetic material.

The utility model provides a pair of fire-retardant environmental protection polyvinyl chloride insulated cable, beneficial effect lies in: the anti-breaking cable has the advantages that the anti-breaking cable is provided with the inner flame-retardant layer and the outer flame-retardant layer, so that the anti-breaking cable has double flame-retardant performance and can greatly improve the safety, the insulating layer and the conductive wire core are of a spiral structure and have certain expansion capacity, the anti-breaking cable can automatically expand when being subjected to external force or thermal expansion and cold contraction so as to prevent the conductive wire core from being broken and has anti-breaking performance, the toughness is greatly improved by arranging the high-toughness rebound layer and the high-toughness rebound rope, the external impact force can be buffered, the anti-breaking performance is further improved, the anti-breaking performance can be automatically rebounded after the external force is eliminated, the anti-breaking cable is prevented from deforming and has the rebound performance, the anti-breaking performance is higher by arranging the anti-breaking supporting layer, the spiral annular groove and the spiral supporting layer, the anti-breaking performance is higher by arranging the anti-breaking metal woven net layer, the flame-retardant rubber has the performances of flame retardance, breakage resistance, resilience, compression resistance, wear resistance and the like, can meet various use requirements, and greatly improves the safety of the rubber.

Drawings

Fig. 1 is a schematic view of a front axial measurement structure of a flame-retardant environment-friendly polyvinyl chloride insulated cable provided by the utility model;

fig. 2 is a schematic view of a partially enlarged structure of a region a in fig. 1 according to the present invention;

fig. 3 is a schematic view of a partial axial measurement structure of the flame-retardant environment-friendly polyvinyl chloride insulated cable provided by the utility model;

fig. 4 is a schematic structural diagram of the anti-pressure supporting layer proposed in the present invention;

fig. 5 is a schematic structural diagram of the spiral support ring according to the present invention.

In the figure: the anti-explosion and anti-explosion composite cable comprises an elastic filling core 1, an insulating layer 2, a conductive wire core 3, an inner flame-retardant layer 4, a high-toughness rebound layer 5, a high-toughness rebound rope 6, a compression-resistant supporting layer 7, a waterproof and moistureproof layer 8, an outer flame-retardant layer 9, a wear-resistant metal woven net layer 10, a protective outer skin 11, a spiral annular groove 12 and a spiral supporting ring 13.

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.

Referring to fig. 1-5, a flame-retardant environment-friendly polyvinyl chloride insulated cable comprises an elastic filling core 1, wherein one side of the elastic filling core 1 is provided with a plurality of uniformly distributed spiral holes, the inner sides of the spiral holes are fixedly provided with an insulating layer 2, the inner sides of the insulating layer 2 are fixedly provided with a conductive wire core 3, the insulating layer 2 and the conductive wire core 3 are of spiral structures, so that the cable has certain flexibility, when the cable is subjected to external force or thermal expansion and cold contraction, the cable can automatically extend and retract so as to prevent the cable from being broken, and the cable has fracture-preventing performance, the outer side of the elastic filling core 1 is fixedly provided with an inner flame-retardant layer 4, the outer side of the inner flame-retardant layer 4 is fixedly provided with a high-toughness rebound layer 5, the high-toughness rebound layer 5 is made of natural rubber synthetic material, so that the cable is environment-friendly, one side of, can cushion external impact force to further improve its and prevent disconnected performance, and after the exogenic force was eliminated, can carry out automatic resilience, prevent that it from taking place to warp, have resilience performance, high tenacity rebound rope 6 is butadiene rubber composite material.

The fixed resistance to compression supporting layer 7 that is equipped with in the 5 outsides of high toughness resilience layer, the resistance to compression supporting layer 7 outside is equipped with heliciform ring channel 12, the inboard fixed heliciform support ring 13 that is equipped with of heliciform ring channel 12, it has stronger compressive property to make it, the fixed dampproof and waterproofing layer 8 that is equipped with in the 7 outsides of resistance to compression supporting layer, the fixed outer fire-retardant layer 9 that is equipped with in the 8 outsides of dampproof and waterproofing layer, it has dual fire behaviour to make it have, can improve its security greatly, it is fire-retardant layer 4 to prevent, outer fire-retardant layer 9 is chlorosulfonated polyethylene material, the fixed wearing metal woven mesh layer 10 that is equipped with in the outer fire-retardant layer 9 outside, make it have stronger wear resistance, thereby can improve its life greatly, can protect outer fire-retardant layer 9 not damaged simultaneously, the.

The utility model has the advantages that the inner flame-retardant layer 4 and the outer flame-retardant layer 9 are arranged to have double flame-retardant performance when in use, the safety can be greatly improved, the insulating layer 2 and the conductive wire core 3 are both of spiral structures to have certain expansion capability, and can automatically expand and contract when being subjected to external force or thermal expansion and cold contraction, thereby preventing the fracture of the conductive wire core, the high-toughness rebound layer 5 and the high-toughness rebound rope 6 are arranged to greatly improve the toughness, the external impact force can be buffered, the anti-fracture performance is further improved, and after the external force is eliminated, the conductive wire core can automatically rebound to prevent the conductive wire core from deforming, has the rebound performance, the spiral ring groove 12 and the spiral support ring 13 are arranged to have stronger compression resistance, the net layer 10 is woven by arranging wear-resistant metal, and has stronger wear resistance, thereby can improve its life greatly, can protect outer fire-retardant layer 9 not damaged simultaneously, have fire-retardant, prevent disconnected, resilience, resistance to compression, wear-resisting performance, can satisfy multiple user demand, improve its security greatly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The flame-retardant environment-friendly polyvinyl chloride insulated cable comprises an elastic filling core (1) and is characterized in that a plurality of uniformly distributed spiral holes are formed in one side of the elastic filling core (1), an insulating layer (2) is fixedly arranged on the inner side of each spiral hole, a conductive wire core (3) is fixedly arranged on the inner side of the insulating layer (2), an inner flame-retardant layer (4) is fixedly arranged on the outer side of the elastic filling core (1), a high-toughness rebound layer (5) is fixedly arranged on the outer side of the inner flame-retardant layer (4), a plurality of uniformly distributed mounting holes are formed in one side of the high-toughness rebound layer (5), high-toughness rebound ropes (6) are fixedly arranged on the inner side of each mounting hole, a compression supporting layer (7) is fixedly arranged on the outer side of the high-toughness rebound layer (5), a waterproof and moistureproof layer (8) is fixedly arranged on the outer side of the compression supporting, and a wear-resistant metal woven net layer (10) is fixedly arranged on the outer side of the outer flame-retardant layer (9), and a protective outer skin (11) is fixedly arranged on the outer side of the wear-resistant metal woven net layer (10).

2. The flame-retardant environment-friendly polyvinyl chloride insulated cable according to claim 1, wherein the inner flame-retardant layer (4) and the outer flame-retardant layer (9) are made of chlorosulfonated polyethylene.

3. The flame-retardant environment-friendly polyvinyl chloride insulated cable according to claim 1, wherein a spiral annular groove (12) is formed on the outer side of the pressure-resistant support layer (7), and a spiral support ring (13) is fixedly arranged on the inner side of the spiral annular groove (12).

4. The flame-retardant environment-friendly polyvinyl chloride insulated cable according to claim 1, wherein the insulating layer (2) and the conductive wire core (3) are both in a spiral structure.

5. The flame-retardant environment-friendly polyvinyl chloride insulated cable according to claim 1, wherein the protective sheath (11) is made of polyvinyl chloride synthetic material.

6. The flame-retardant environment-friendly polyvinyl chloride insulated cable according to claim 1, wherein the high-tenacity resilient cords (6) are all made of a butadiene rubber composite material.

7. The flame-retardant environment-friendly polyvinyl chloride insulated cable according to claim 1, wherein the high-toughness resilient layer (5) is made of natural rubber synthetic material.