CN216697908U

CN216697908U - Flexible fireproof cable

Info

Publication number: CN216697908U
Application number: CN202122551449.5U
Authority: CN
Inventors: 杜宁
Original assignee: Shangjin Cable Co ltd
Current assignee: Shangjin Cable Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-06-07
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of fireproof cables and discloses a flexible fireproof cable which comprises a cable outer sheath, wherein a cable inner sheath is arranged on the inner side of the cable outer sheath, a cable core is arranged on the inner side of the cable inner sheath, a waterproof layer is arranged on the outer side of the cable outer sheath, an anticorrosive layer is arranged on the outer side of the waterproof layer, a fireproof layer is arranged on the inner side of the cable outer sheath, a flame-retardant layer is arranged on the inner side of the fireproof layer, and a heat-insulating layer is arranged on the inner side of the cable inner sheath. According to the utility model, through the matching arrangement of the fireproof layer, the flame-retardant layer, the heat-insulating layer and the filling layer, multiple fireproof structures can be formed at the periphery of the cable core, the fireproof and flame-retardant effects of the cable can be effectively improved, the cable can be prevented from being ignited when exposed fire occurs, so that the fire is prevented from further expanding, and through the matching arrangement of the waterproof layer and the anticorrosive layer, a waterproof and anticorrosive structure can be formed at the outer side in the using process of the cable.

Description

Flexible fireproof cable

Technical Field

The utility model relates to the technical field of fireproof cables, in particular to a flexible fireproof cable.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, and is a conducting wire for transmitting power or information from one place to another place, 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. They are composed of single-strand or multi-strand wires and insulating layers and are used for connecting circuits, electric appliances and the like, and along with the improvement of living standard of people, fire safety is more and more emphasized, so that the application of the fireproof cable is more and more extensive.

Some flexible fireproof cables currently on the market:

(1) in the application process of the fireproof cable, due to the fact that the fireproof material used by the existing fireproof cable is single, the fireproof effect of most fireproof cables is poor, when a fire disaster happens, fireproof protection cannot be effectively carried out, and the life and property safety of people is easily threatened;

(2) in the in-process that fireproof cable used, because the reason of laying outside mostly fireproof cable usually, can make fireproof cable receive the erosion of wind and rain for a long time, but most fireproof cable corrosion-resistant effect is relatively poor, easily leads to fireproof cable surface damage to influence fireproof cable's normal use.

We have therefore proposed a flexible fire-resistant cable in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the defects in the prior art in the background art, the present invention is directed to provide a flexible fireproof cable, so as to solve the problems of poor fireproof effect and poor corrosion resistance of some flexible fireproof cables in the current market proposed in the background art.

(II) technical scheme

In order to realize the purpose, the utility model is realized by the following technical scheme:

a flexible fireproof cable comprises a cable outer sheath, wherein a cable inner sheath is arranged on the inner side of the cable outer sheath, and a cable core is arranged on the inner side of the cable inner sheath;

a waterproof layer is arranged on the outer side of the cable outer sheath, an anticorrosive layer is arranged on the outer side of the waterproof layer, a fireproof layer is arranged on the inner side of the cable outer sheath, and a flame-retardant layer is arranged on the inner side of the fireproof layer;

the inboard of cable inner sheath is provided with the insulating layer, the inboard of insulating layer is provided with the filling layer.

Preferably, the flame-retardant layer is arranged on the outer side of the cable inner sheath, and the filling layer is wrapped on the outer side of the cable core.

Preferably, the cable outer sheath is made of a chloroprene rubber material, and the cable inner sheath is formed by mixing butadiene-acrylonitrile rubber and polyvinyl chloride.

Preferably, the waterproof layer is made of a high-density polyethylene waterproof film material, the thickness of the waterproof layer is 0.6-1.0mm, the anticorrosive layer is formed by uniformly coating high-temperature-resistant anticorrosive paint, and the thickness of the anticorrosive layer is 1-2 mm.

Further, the outside of anticorrosive coating is provided with the wearing layer, the wearing layer is formed by the even coating of high temperature wear-resistant coating, the flame retardant coating is made by the rock wool material.

Further, the flame-retardant layer is made of a ceramic fiber material, the heat insulation layer is made of a glass fiber material, and the filling layer is made of a fireproof mud material.

(III) advantageous effects

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

(1) the cooperation setting between flame retardant coating, fire-retardant layer, insulating layer, the filling layer can form multiple fire resistive construction in the periphery of cable core, and the fire prevention flame retardant efficiency that can effectual improvement cable can be avoided the cable to be ignited when meetting open fire to avoid the intensity of a fire to further enlarge, the security is higher.

(2) The waterproof layer is arranged in a matched mode between the waterproof layer and the anticorrosive layer, the waterproof and anticorrosive structure can be formed on the outer side in the cable using process, rainwater is prevented from permeating into the cable, meanwhile, external corrosive substances can be prevented from corroding the cable, the cable is prevented from being damaged, and normal use of the cable is avoided being influenced.

Drawings

Fig. 1 is a schematic overall front view of the flexible fireproof cable according to the present invention;

FIG. 2 is a schematic perspective view of the flexible fireproof cable according to the present invention;

fig. 3 is a schematic cross-sectional view of the flexible fireproof cable according to the present invention.

In the figure: 1. a cable outer sheath; 2. a cable inner sheath; 3. a cable core; 4. a waterproof layer; 5. an anticorrosive layer; 6. a wear layer; 7. a fire barrier layer; 8. a flame retardant layer; 9. a thermal insulation layer; 10. and (6) filling the layer.

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.

Referring to fig. 1-3, the present invention provides a flexible fireproof cable; the cable sheath comprises a cable outer sheath 1, wherein a cable inner sheath 2 is arranged on the inner side of the cable outer sheath 1, and a cable core 3 is arranged on the inner side of the cable inner sheath 2;

a waterproof layer 4 is arranged on the outer side of the cable outer sheath 1, an anticorrosive layer 5 is arranged on the outer side of the waterproof layer 4, a fireproof layer 7 is arranged on the inner side of the cable outer sheath 1, and a flame-retardant layer 8 is arranged on the inner side of the fireproof layer 7;

a heat insulation layer 9 is arranged on the inner side of the cable inner sheath 2, and a filling layer 10 is arranged on the inner side of the heat insulation layer 9;

according to the illustration in fig. 3, as a preferred embodiment of the present invention: the flame-retardant layer 8 is arranged on the outer side of the cable inner sheath 2, and the filling layer 10 is wrapped on the outer side of the cable core 3;

according to the illustration in fig. 3, as a preferred embodiment of the present invention: the cable outer sheath 1 is made of neoprene material, and the cable inner sheath 2 is formed by mixing nitrile rubber and polyvinyl chloride;

according to the illustration in fig. 3, as a preferred embodiment of the present invention: the waterproof layer 4 is made of a high-density polyethylene waterproof film material, the thickness of the waterproof layer 4 is 0.6-1.0mm, the anticorrosive layer 5 is formed by uniformly coating high-temperature-resistant anticorrosive paint, the thickness of the anticorrosive layer 5 is 1-2mm, and the high-temperature-resistant effect of the anticorrosive layer 5 can be further improved by the anticorrosive layer 5 formed by uniformly coating the high-temperature-resistant anticorrosive paint;

according to the illustration in fig. 3, as a preferred embodiment of the present invention: the wear-resistant layer 6 is arranged on the outer side of the anti-corrosion layer 5, the wear-resistant layer 6 is formed by uniformly coating high-temperature wear-resistant paint, the fireproof layer 7 is made of rock wool materials, and the wear-resistant layer 6 formed by uniformly coating high-temperature wear-resistant paint can increase the wear resistance of the surface of the cable, improve the wear resistance of the cable and improve the high-temperature resistance effect of the cable;

according to the scheme shown in fig. 3, as a preferred technical scheme of the utility model: the flame-retardant layer 8 is made of a ceramic fiber material, the heat insulation layer 9 is made of a glass fiber material, the filling layer 10 is made of a fireproof mud material, and the fireproof effect of the cable can be further improved through the filling layer 10 made of the fireproof mud material.

Those not described in detail in this specification are well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, may be fixedly connected or detachably connected; or indirectly through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations; it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.

Claims

1. A flexible fireproof cable comprises a cable outer sheath (1), and is characterized in that a cable inner sheath (2) is arranged on the inner side of the cable outer sheath (1), and a cable core (3) is arranged on the inner side of the cable inner sheath (2);

a waterproof layer (4) is arranged on the outer side of the cable outer sheath (1), an anticorrosive layer (5) is arranged on the outer side of the waterproof layer (4), a fireproof layer (7) is arranged on the inner side of the cable outer sheath (1), and a flame retardant layer (8) is arranged on the inner side of the fireproof layer (7);

the cable inner sheath is characterized in that a heat insulation layer (9) is arranged on the inner side of the cable inner sheath (2), and a filling layer (10) is arranged on the inner side of the heat insulation layer (9).

2. Flexible fireproof cable according to claim 1, wherein the flame retardant layer (8) is arranged on the outside of the inner cable sheath (2) and the filler layer (10) is wrapped on the outside of the cable core (3).

3. Flexible fire protection cable according to claim 1, characterized in that said cable sheath (1) is made of neoprene material.

4. The flexible fireproof cable according to claim 1, wherein the waterproof layer (4) is made of a high density polyethylene waterproof film material, the thickness of the waterproof layer (4) is 0.6-1.0mm, the anticorrosive layer (5) is formed by uniformly coating a high temperature resistant anticorrosive paint, and the thickness of the anticorrosive layer (5) is 1-2 mm.

5. The flexible fireproof cable according to claim 1, wherein the corrosion protection layer (5) is provided with a wear-resistant layer (6) on the outer side, the wear-resistant layer (6) is formed by uniformly coating high-temperature wear-resistant paint, and the fireproof layer (7) is made of rock wool material.

6. Flexible fire protection cable according to claim 1, characterized in that said flame retardant layer (8) is made of ceramic fibre material, said insulating layer (9) is made of glass fibre material and said filling layer (10) is made of fire retardant mastic material.