CN218826340U

CN218826340U - Cable with good fireproof and heat-resistant performances

Info

Publication number: CN218826340U
Application number: CN202223232263.4U
Authority: CN
Inventors: 徐国礼
Original assignee: Shaoxing Shihang Electronic Cable Co ltd
Current assignee: Shaoxing Shihang Electronic Cable Co ltd
Priority date: 2022-12-04
Filing date: 2022-12-04
Publication date: 2023-04-07
Anticipated expiration: 2032-12-04

Abstract

The utility model discloses a cable that fire prevention heat resistance is good, which comprises a cable body, the inside of cable body is equipped with the polyester heat insulating cylinder of annular arrangement, every the inside packing of polyester heat insulating cylinder has glass fiber, the inside of cable body is equipped with the cable core, the cable body includes PVC wearing layer, fire-retardant layer and inlayer foreskin, the inner circle of PVC wearing layer is connected with the surface fixed of fire-retardant layer. This device is through the PVC wearing layer that is equipped with, play the effect of protecting the cable body, and utilize the combination of flame retardant coating and inlayer foreskin to use, reach and carry out isolated and carry out the purpose of parcel to the rock wool filler to the heat, through the cooperation of the rubber insulation layer that is equipped with and rock wool filler, reach and carry out the protection purpose to the cable core, thereby the effectual fire behavior who has solved traditional cable material is not good, arouse the phenomenon of catching a fire easily, and after the emergence of catching a fire, the problem that the flame retardant property of traditional cable material is not good.

Description

Cable with good fireproof and heat-resistant performances

Technical Field

The utility model belongs to the technical field of the cable and specifically relates to a cable that fire prevention heat resistance can be good.

Background

Typically a rope-like cable consisting of several or groups of at least two twisted conductors, each group being insulated from each other and twisted around a centre, the whole being covered with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and the cables consist of single-strand or multi-strand wires and insulating layers and are used for connecting a circuit, an electric appliance and the like.

However, the fireproof cable in the prior art still has some disadvantages when in use, and the traditional cable material has poor fireproof performance, so that the fire phenomenon is easily caused, and after the fire occurs, the traditional cable material has poor flame retardant performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable that fire prevention heat resistance is good to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a cable that fire prevention heat resistance is good, includes the cable body, the inside of cable body is equipped with the polyester heat insulating cylinder of annular arrangement, every the inside packing of polyester heat insulating cylinder has glass fiber, the inside of cable body is equipped with the cable core, the cable body includes PVC wearing layer, fire-retardant layer and inlayer foreskin, the inner circle of PVC wearing layer and the surface fixed connection on fire-retardant layer.

In a further embodiment, the interior of the cable body is filled with rock wool filler, and the rock wool filler is located on the exterior of the polyester heat insulation cylinder.

In a further embodiment, the inner wall of the flame-retardant layer is fixedly connected with the outer surface of the inner-layer wrapper, and the inner-layer wrapper is in contact with the rock wool filler.

In a further embodiment, a rubber insulating layer is arranged inside the cable body, and an inner ring of the rubber insulating layer is fixedly connected with the outer surface of the cable core.

Compared with the prior art, the beneficial effects of the utility model are that:

this device is through the PVC wearing layer that is equipped with, play the effect of protecting the cable body, and utilize the combination of flame retardant coating and inlayer foreskin to use, reach and completely cut off the heat and carry out the purpose of parcel to the rock wool filler, through the cooperation of the rubber insulation layer that is equipped with and rock wool filler, reach and carry out the protection purpose to the cable core, solved and traditional cable material's fire behavior is not good, arouse the phenomenon of catching a fire easily, and after the emergence of catching a fire, traditional cable material's the not good problem of flame retardant property.

Drawings

FIG. 1 is a schematic perspective view of a cable body of a cable with good fire and heat resistance;

FIG. 2 is a schematic side sectional view of a cable body of the cable with good fire and heat resistance;

fig. 3 is a schematic side view of a polyester heat insulation cylinder in a cable with good fire resistance and heat resistance.

In the figure: 1. a cable body; 101. a PVC wear layer; 102. a flame retardant layer; 103. an inner wrapper; 2. a polyester heat insulation cylinder; 3. rock wool filler; 4. a rubber insulating layer; 5. a cable core; 6. glass fibers.

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, in the present invention, a cable with good fire and heat resistance comprises a cable body 1, wherein a polyester heat insulation cylinder 2 arranged in a ring shape is arranged inside the cable body 1, a glass fiber 6 is filled inside each polyester heat insulation cylinder 2, a cable core 5 is arranged inside the cable body 1, the cable body 1 comprises a PVC wear layer 101, a flame retardant layer 102 and an inner layer wrapping 103, and an inner ring of the PVC wear layer 101 is fixedly connected with an outer surface of the flame retardant layer 102.

The inside packing of cable body 1 has rock wool filler 3, and rock wool filler 3 is located the outside of polyester heat-insulating cylinder 2, through being equipped with rock wool filler 3, be convenient for block the naked light, the inner wall of fire-retardant layer 102 and the surface fixed connection of inlayer foreskin 103, and inlayer foreskin 103 contacts with rock wool filler 3, through the cooperation of the fire-retardant layer 102 that is equipped with and inlayer foreskin 103, thereby it is equipped with rubber insulation layer 4 to have improved cable core 5 and carried out the inside of thermal-insulated effect cable body 1, and the inner circle of rubber insulation layer 4 and the surface fixed connection of cable core 5, through rubber insulation layer 4 that is equipped with, be convenient for protect cable core 5.

The utility model discloses a theory of operation is:

when preventing fires to cable body 1, through PVC wearing layer 101, be convenient for wear-resisting to the cable to utilize fire-retardant layer 102 and inlayer foreskin 103's cooperation, can block the heat and wrap up rock wool filler 3, through the rubber insulation layer 4 that is equipped with, can protect cable core 5, thereby the effectual purpose of preventing fires to cable body 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a cable that fire prevention heat resistance is good which characterized in that: the cable comprises a cable body (1), wherein polyester heat insulation cylinders (2) which are arranged in an annular mode are arranged inside the cable body (1), glass fibers (6) are filled inside each polyester heat insulation cylinder (2), a cable core (5) is arranged inside the cable body (1), the cable body (1) comprises a PVC wear-resistant layer (101), a flame-retardant layer (102) and an inner-layer wrapping (103), and an inner ring of the PVC wear-resistant layer (101) is fixedly connected with the outer surface of the flame-retardant layer (102).

2. The cable with good fire resistance and heat resistance as claimed in claim 1, wherein: rock wool filler (3) is filled in the cable body (1), and the rock wool filler (3) is located the outside of polyester heat insulation cylinder (2).

3. The cable with good fire resistance and heat resistance as claimed in claim 1, wherein: the inner wall of the flame-retardant layer (102) is fixedly connected with the outer surface of the inner-layer wrapping (103), and the inner-layer wrapping (103) is in contact with the rock wool filler (3).

4. The cable with good fire resistance and heat resistance as claimed in claim 1, wherein: the cable is characterized in that a rubber insulating layer (4) is arranged inside the cable body (1), and the inner ring of the rubber insulating layer (4) is fixedly connected with the outer surface of the cable core (5).