CN213400674U

CN213400674U - High-reliability mineral fireproof cable

Info

Publication number: CN213400674U
Application number: CN202023070180.0U
Authority: CN
Inventors: 高建庄; 高云飞
Original assignee: Henan Jianyun Cable Co ltd
Current assignee: Henan Jianyun Cable Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-06-08
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a high reliability mineral substance fireproof cable, which comprises a cable body, the inside fire-retardant layer that is provided with of cable body, fire-retardant layer comprises first metal mesh grid, first viscose layer, fire retardant layer, second viscose layer and second metal mesh grid, first metal mesh grid one side bonds through first viscose layer and fire retardant layer, fire retardant layer one side bonds through second viscose layer and second metal mesh grid. The utility model discloses in, through setting up fire-retardant layer, be convenient for improve the fire-retardant and fire behavior of cable body, fire-retardant layer is by first metal mesh grid, first viscose layer, the fire retardant layer, second viscose layer and second metal mesh grid are constituteed, through adding the metal mesh grid in fire-retardant layer inside, be convenient for improve the tensile strength of cable body, simultaneously through setting up the metal mesh grid, prevent the cracked condition from appearing when the cable is buckled, improve its life, secondly through the tie coat, be convenient for improve the inside wholeness ability of fire-retardant layer.

Description

High-reliability mineral fireproof cable

Technical Field

The utility model relates to a high reliability cable field especially relates to high reliability mineral substance fireproof cable.

Background

The cable is composed of one or more soft wires, the outer surface of the cable is covered by a light and soft sheath, the cable is composed of one or more insulating covered wires, and the outer surface of the cable is covered by a tough outer layer made of metal or rubber. Cables and wires are generally composed of three components, a core, an insulating sheath and a protective sheath. The common cable has the following characteristics, namely an ethylene propylene rubber insulating chloroprene rubber sheath and a marine flame-retardant power cable. Polyvinyl chloride insulation and polyvinyl chloride sheath marine flame-retardant power cable.

The prior art has the following problems:

current fireproof cable, when the preparation, often only be provided with fire protection coating on cable outside surface, this mode though can play the fire prevention effect, but fire behavior is lower, is unfavorable for the long-time use of cable.

We have therefore proposed a high reliability mineral fire-resistant cable that addresses the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, current fireproof cable, when the preparation, often only be provided with fire protection coating on cable outside surface, this mode though can play the fire prevention effect, but fire behavior is lower, is unfavorable for the long-time use of cable, and the high reliability mineral substance fireproof cable who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: high reliability mineral substance fireproof cable, including the cable body, the inside fire-retardant layer that is provided with of cable body, fire-retardant layer comprises first metal mesh grid, first viscose layer, fire retardant layer, second viscose layer and second metal mesh grid, first metal mesh grid one side bonds through first viscose layer and fire retardant layer, fire retardant layer one side bonds through second viscose layer and second metal mesh grid.

Preferably, the flame retardant layer inboard is provided with rubber lag, the inside baffle that is provided with of rubber lag, baffle one side is provided with the cable core, the inside mineral substance filling layer that is provided with of rubber lag.

Preferably, a heat insulation layer is arranged between the flame-retardant layer and the rubber protective sleeve.

Preferably, the outer side surface of the rubber protective sleeve is provided with a wear-resistant layer.

Preferably, an insulating layer is arranged outside the cable core.

Preferably, the cable cores are provided with a plurality of cable cores, and the cable cores are respectively installed between two adjacent partition plates.

Preferably, the outer side surface of the cable body is provided with a protective layer.

Compared with the prior art, the utility model has the advantages that;

1. the utility model discloses, through setting up fire-retardant layer, be convenient for improve the fire-retardant and fire behavior of cable body, fire-retardant layer is by first metal mesh grid, first viscose layer, the fire retardant layer, second viscose layer and second metal mesh grid are constituteed, through adding the metal mesh grid in fire-retardant layer inside, be convenient for improve the tensile strength of cable body, simultaneously through setting up the metal mesh grid, prevent the cracked condition from appearing when the cable is buckled, improve its life, secondly through the tie coat, be convenient for improve the inside wholeness ability of fire-retardant layer.

2. The utility model discloses, through setting up the rubber lag, be convenient for make the cable core cut apart with fire-retardant layer to avoid the inside metal mesh grid in fire-retardant layer to cause going on to the cable core, improve the insulating properties of cable body, secondly at the inside baffle that is provided with of rubber lag, through setting up the baffle, be convenient for separate a plurality of cable cores.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a high-reliability mineral fireproof cable provided by the present invention;

fig. 2 is a schematic view of the high-reliability mineral fireproof cable rubber protective sleeve provided by the utility model;

fig. 3 is the utility model provides a fire-retardant layer schematic diagram of high reliability mineral substance fireproof cable.

Illustration of the drawings:

1. a cable body; 2. a protective layer; 3. a flame retardant layer; 4. a heat-insulating layer; 5. a rubber protective sleeve; 6. a mineral filled layer; 7. a cable core; 8. a partition plate; 9. a wear layer; 10. a first metal mesh grid; 11. a first adhesive layer; 12. a flame retardant layer; 13. a second adhesive layer; 14. a second metal mesh grid.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a high-reliability mineral fireproof cable includes a cable body 1, a flame-retardant layer 3 is disposed inside the cable body 1, the flame-retardant layer 3 is composed of a first metal mesh grid 10, a first adhesive layer 11, a flame retardant layer 12, a second adhesive layer 13 and a second metal mesh grid 14, one side of the first metal mesh grid 10 is bonded to the flame retardant layer 12 through the first adhesive layer 11, and one side of the flame retardant layer 12 is bonded to the second metal mesh grid 14 through the second adhesive layer 13.

In this embodiment: through setting up fire-retardant layer 3, be convenient for improve the fire-retardant and fire behavior of cable body 1, fire-retardant layer 3 is by first metal mesh grid 10, first viscose layer 11, fire retardant layer 12, second viscose layer 13 and second metal mesh grid 14 are constituteed, through adding the metal mesh grid in fire-retardant layer 3 inside, be convenient for improve cable body 1's tensile strength, simultaneously through setting up the metal mesh grid, prevent the cracked condition from appearing when the cable is buckled, improve its life, secondly, through the tie coat, be convenient for improve the inside wholeness ability of fire-retardant layer 3.

Specifically, 3 inboards on fire-retardant layer are provided with rubber protection cover 5, the inside baffle 8 that is provided with of rubber protection cover 5, baffle 8 one side is provided with cable core 7, the inside mineral substance filling layer 6 that is provided with of

rubber protection cover

5, 5 outside surfaces of rubber protection cover are provided with wearing layer 9, the cable core 7 outside is provided with the insulating layer, cable core 7 is provided with a plurality ofly, and a plurality of cable cores 7 are installed respectively between two adjacent baffles 8.

In this embodiment: through setting up rubber lag 5, be convenient for make cable core 7 cut apart with fire-retardant layer 3, thereby avoid fire-retardant layer 3 inside metal mesh grid to lead to the fact going on to cable core 7, improve cable body 1's insulating properties, secondly at the inside baffle 8 that is provided with of rubber lag 5, through setting up baffle 8, be convenient for separate a plurality of cable cores 7, the mineral substance powder of mineral substance filling layer 6 is Mg (OH)2, Mg (OH)2 is white amorphous powder, is a novel filling type fire retardant, Mg (OH)2 is as hindering the fuel, fill in inside rubber lag 5.

Specifically, a heat insulation layer 4 is arranged between the flame-retardant layer 3 and the rubber protective sleeve 5.

In this embodiment: through setting up heat preservation 4, be convenient for improve cable body 1's thermal insulation performance.

Specifically, the outer side surface of the cable body 1 is provided with a protective layer 2.

In this embodiment: through setting up inoxidizing coating 2, be convenient for improve cable body 1's tensile property.

The working principle is as follows: the flame-retardant layer 3 is arranged, so that the flame-retardant and fireproof performances of the cable body 1 are improved, the flame-retardant layer 3 is composed of a first metal woven mesh 10, a first adhesive layer 11, a flame retardant layer 12, a second adhesive layer 13 and a second metal woven mesh 14, the metal mesh grid is added in the flame-retardant layer 3, so that the tensile property of the cable body 1 is improved conveniently, meanwhile, the metal mesh grid is arranged, so that the cable is prevented from being broken when being bent, the service life of the cable is prolonged, secondly, the integral performance inside the flame-retardant layer 3 is improved conveniently through the bonding layer, the cable core 7 and the flame-retardant layer 3 are conveniently separated through the rubber protective sleeve 5, thereby avoiding the metal mesh grid in the flame-retardant layer 3 from causing the cable core 7, improving the insulating property of the cable body 1, secondly at the inside baffle 8 that is provided with of rubber lag 5, through setting up baffle 8, be convenient for separate a plurality of cable cores 7.

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. High reliability mineral substance fireproof cable, including cable body (1), its characterized in that, cable body (1) inside is provided with fire-retardant layer (3), fire-retardant layer (3) comprises first metal mesh grid (10), first viscose layer (11), fire retardant layer (12), second viscose layer (13) and second metal mesh grid (14), first metal mesh grid (10) one side bonds with fire retardant layer (12) through first viscose layer (11), fire retardant layer (12) one side bonds with second metal mesh grid (14) through second viscose layer (13).

2. The high-reliability mineral fireproof cable according to claim 1, wherein a rubber protective sleeve (5) is arranged inside the flame-retardant layer (3), a partition plate (8) is arranged inside the rubber protective sleeve (5), a cable core (7) is arranged on one side of the partition plate (8), and a mineral filling layer (6) is arranged inside the rubber protective sleeve (5).

3. The high-reliability mineral fireproof cable according to claim 1, wherein an insulating layer (4) is arranged between the flame-retardant layer (3) and the rubber protective sheath (5).

4. High reliability mineral fireproof cable according to claim 2, wherein the outer surface of the rubber protective sheath (5) is provided with a wear layer (9).

5. The mineral fireproof cable of claim 2, wherein the cable core (7) is provided with an insulating layer on the outside.

6. The mineral fireproof cable of claim 2, wherein the cable cores (7) are provided in plurality, and a plurality of cable cores (7) are respectively installed between two adjacent partitions (8).

7. The high-reliability mineral fireproof cable according to claim 1, wherein the cable body (1) is provided with a protective layer (2) on the outer surface.