CN215577846U

CN215577846U - Flexible fireproof cable with efficient waterproof function

Info

Publication number: CN215577846U
Application number: CN202122247558.8U
Authority: CN
Inventors: 刘柏阳; 曾凡令; 靳飞; 张军
Original assignee: Chengdu Deyuan Wires And Cables Co ltd
Current assignee: Chengdu Deyuan Wires And Cables Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-18
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of cables, in particular to a flexible fireproof cable with a high-efficiency waterproof function. According to the utility model, the cable core wrapping water-proof layer, the fireproof inner sleeve layer, the first water-proof layer, the second water-proof layer, the first dry powder flame-retardant layer, the first waterproof film, the second dry powder flame-retardant layer, the second waterproof film and the outer sheath are arranged, in actual use, the second waterproof film, the first waterproof film, the second water-proof layer, the first water-proof layer and the cable core wrapping water-proof layer are used for blocking liquid, and flame is blocked through the fireproof inner sleeve layer, the aluminum sheath layer, the ceramic fiber layer, the first dry powder flame-retardant layer, the second dry powder flame-retardant layer and the outer sheath.

Description

Flexible fireproof cable with efficient waterproof function

Technical Field

The utility model relates to the technical field of cables, in particular to a flexible fireproof cable with a high-efficiency waterproof function.

Background

With the continuous development of society and the improvement of safety production consciousness, fireproof cables are increasingly used in high-rise buildings, markets, subways, tunnels and other occasions at home at present, and the fireproof cables in the prior art mainly comprise an outer sheath layer, a metal conductor, a fireproof layer and a flame-retardant filling material.

The fireproof and waterproof effects of the cable in the current market are not obvious, and the practicability and safety of the cable are influenced to a great extent and in the field. Based on the above, there is a need to design a flexible fireproof cable with high waterproof function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flexible fireproof cable with a high-efficiency waterproof function, and aims to solve the problems that the fireproof and waterproof effects of the cable in the market are not obvious and the practicability and safety of the cable are influenced to a great extent and in the field in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a flexible fireproof cable with a high-efficiency waterproof function comprises an aluminum jacket layer, wherein a fireproof inner jacket layer is filled in the aluminum jacket layer, four insulating wire core bodies are arranged in the aluminum jacket layer, wire core wrapping water-proof layers are arranged on the outer surfaces of the insulating wire core bodies, and protective insulating layers are wrapped on the outer surfaces of the wire core wrapping water-proof layers;

the cable sheath comprises a ceramic fiber layer, wherein the ceramic fiber layer wraps the outer surface of an aluminum sheath layer, a first water-resistant layer is arranged on the outer surface of the ceramic fiber layer, a second water-resistant layer is arranged on the outer surface of the first water-resistant layer, a belting layer wraps the outer surface of the second water-resistant layer, a first dry powder flame-retardant layer is filled on the outer surface of the belting layer, a first waterproof film wraps the outer surface of the first dry powder flame-retardant layer, a second dry powder flame-retardant layer wraps the outer surface of the first waterproof film, a second waterproof film wraps the outer surface of the second dry powder flame-retardant layer, and an outer sheath is sleeved on the outer surface of the second waterproof film, so that the problems that the fireproof and waterproof effects of the existing cable on the market are not obvious and the practicability and safety of the cable are influenced to a great extent and in the field are effectively solved through the arrangement of the structure, and the cable sheath is simple in structure, is easy to popularize.

Preferably, the fire-resistant inner sheath layer is made of synthetic mica, and the performance of the synthetic mica is superior to that of natural mica, so that the safety of the cable is improved.

Preferably, the inside of aluminium matter restrictive coating is provided with flexible enhancement strip, the outer fixed surface installation of flexible enhancement strip installs flexible backup pad, flexible backup pad's quantity is four, and flexible backup pad's end all with aluminium matter restrictive coating inner wall fixed connection, the effectual life who prolongs this cable.

Preferably, the filling materials of the second water-resistant layer and the first water-resistant layer are low-smoke halogen-free water-resistant ropes, so that the smoke quantity is smaller when a fire disaster occurs.

Preferably, the thickness of the first dry powder flame-retardant layer is 0.40-0.70mm, and the thickness of the second dry powder flame-retardant layer is 0.60-0.85mm, so that the fire resistance of the cable is improved.

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

1. through being provided with sinle silk parcel water barrier, fire-resistant inner jacket layer, first water barrier layer, the second water barrier layer, the fire-retardant layer of first dry powder, first water proof membrane, the fire-retardant layer of second dry powder, second water proof membrane and oversheath, in the in-service use, utilize the second water proof membrane, first water proof membrane, the second water barrier layer, first water barrier layer, sinle silk parcel water barrier layer to separate liquid, separate flame through fire-resistant inner jacket layer, aluminium matter restrictive coating, ceramic fiber layer, the fire-retardant layer of first dry powder, the fire-retardant layer of second dry powder and oversheath, through the setting of above-mentioned structure, the cable fire prevention and waterproof effect on the market at present is not obvious, influenced the problem of practicality and the security of cable to a great extent and field, and the utility model is simple in structure, easily promote.

2. Through being provided with flexible enhancement strip and flexible backup pad, in-service use, can effectual use strength of strengthening this cable makes it can stretch, is difficult for the fracture, and then the effectual life who prolongs this cable.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a perspective view of a second embodiment of the present invention;

FIG. 3 is a perspective view of a third embodiment of the present invention;

FIG. 4 is a schematic top view of the structure of the present invention.

In the figure: 100. an insulated wire core body; 110. the core is wrapped with a water-proof layer; 111. a protective insulating layer; 112. a refractory inner jacket layer; 113. an aluminum jacket layer; 114. a ceramic fiber layer; 115. a first water resistant layer; 116. a second water resistant layer; 117. a belting layer; 118. a first dry powder flame retardant layer; 119. a first water-resistant film; 120. a second dry powder flame retardant layer; 121. a second water-resistant film; 122. an outer sheath; 123. a flexible reinforcing strip; 124. a flexible support plate.

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. 1-4, an embodiment of the present invention is shown:

a flexible fireproof cable with a high-efficiency waterproof function comprises an aluminum sheath layer 113, wherein a fireproof inner sheath layer 112 is filled in the aluminum sheath layer 113, four insulating wire core bodies 100 are arranged in the aluminum sheath layer 113, wire core wrapping waterproof layers 110 are arranged on the outer surfaces of the insulating wire core bodies 100, and protective insulating layers 111 are wrapped on the outer surfaces of the wire core wrapping waterproof layers 110;

the ceramic fiber layer 114 is wrapped on the outer surface of the aluminum sheath layer 113, a first waterproof layer 115 is arranged on the outer surface of the ceramic fiber layer 114, a second waterproof layer 116 is arranged on the outer surface of the first waterproof layer 115, a wrapping layer 117 is wrapped on the outer surface of the second waterproof layer 116, a first dry powder flame-retardant layer 118 is filled on the outer surface of the wrapping layer 117, a first waterproof film 119 is wrapped on the outer surface of the first dry powder flame-retardant layer 118, a second dry powder flame-retardant layer 120 is filled on the outer surface of the first waterproof film 119, a second waterproof film 121 is wrapped on the outer surface of the second dry powder flame-retardant layer 120, a second waterproof film 122 is sleeved on the outer surface of the second waterproof film 121, and in actual use, the second waterproof film 121, the first waterproof film 119, the second waterproof layer 116, the first waterproof layer 115 and the wire core wrapping water-retardant layer 110 are used for blocking liquid, and the fireproof inner sheath layer 112 and the aluminum sheath layer 113 are used for blocking liquid, The ceramic fiber layer 114, the first dry powder flame-retardant layer 118, the second dry powder flame-retardant layer 120 and the outer sheath 122 are used for blocking flame, and through the arrangement of the structure, the problems that the fireproof and waterproof effects of the cable in the current market are not obvious and the practicability and safety of the cable are influenced to a great extent and in the field are effectively solved.

Furthermore, the fire-resistant inner sheath layer 112 is made of synthetic mica, and the performance of the synthetic mica is superior to that of natural mica, so that the safety of the cable is improved.

Further, the inside of aluminium matter restrictive coating 113 is provided with flexible enhancement strip 123, and the outer fixed surface installation of flexible enhancement strip 123 installs flexible backup pad 124, and the quantity of flexible backup pad 124 is four, and the end of flexible backup pad 124 all with 113 inner walls fixed connection of aluminium matter restrictive coating, in the in-service use, can effectually strengthen the service strength of this cable, make it can stretch, difficult fracture, and then the effectual life who prolongs this cable.

Furthermore, the filling materials of the second water-resistant layer 116 and the first water-resistant layer 115 are low-smoke halogen-free water-resistant ropes, so that in practical use, the smoke amount is smaller when a fire disaster occurs, and no toxic halogen gas is released.

Furthermore, the thickness of the first dry powder flame-retardant layer 118 is 0.40-0.70mm, and the thickness of the second dry powder flame-retardant layer 120 is 0.60-0.85mm, so that the fire resistance of the cable is improved.

The working principle is as follows: this cable is when meeting water, through second water proof membrane 121, first water proof membrane 119, second water blocking layer 116, first water blocking layer 115, sinle silk parcel water barrier 110 carries out the separation to liquid, and then protects insulation core body 100, and when the conflagration breaing out, utilize fire-resistant inner jacket layer 112, aluminium matter restrictive coating 113, ceramic fibre layer 114, the fire-retardant layer 118 of first dry powder, the fire-retardant layer 120 of second dry powder and oversheath 122 carry out the separation to flame, and then protect insulation core body 100, the practicality of this cable has been improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. The utility model provides a flexible fireproof cable with high-efficient waterproof function which characterized in that includes:

the cable comprises an aluminum sheath layer (113), wherein a fireproof inner sheath layer (112) is filled in the aluminum sheath layer (113), four insulating cable core bodies (100) are arranged in the aluminum sheath layer (113), cable core wrapping waterproof layers (110) are arranged on the outer surfaces of the insulating cable core bodies (100), and protective insulating layers (111) are wrapped on the outer surfaces of the cable core wrapping waterproof layers (110);

the fireproof coating comprises a ceramic fiber layer (114), wherein the ceramic fiber layer (114) is wrapped on the outer surface of an aluminum sheath layer (113), a first waterproof layer (115) is arranged on the outer surface of the ceramic fiber layer (114), a second waterproof layer (116) is arranged on the outer surface of the first waterproof layer (115), a wrapping layer (117) is wrapped on the outer surface of the second waterproof layer (116), a first dry powder fireproof layer (118) is filled on the outer surface of the wrapping layer (117), a first waterproof film (119) is wrapped on the outer surface of the first dry powder fireproof layer (118), a second dry powder fireproof layer (120) is filled on the outer surface of the first waterproof film (119), a second waterproof film (121) is wrapped on the outer surface of the second dry powder fireproof layer (120), and an outer sheath (122) is sleeved on the outer surface of the second waterproof film (121).

2. The flexible fireproof cable with high-efficiency waterproof function according to claim 1, wherein: the fire-resistant inner jacket layer (112) is made of synthetic mica.

3. The flexible fireproof cable with high-efficiency waterproof function according to claim 1, wherein: the utility model discloses a flexible aluminum sheath layer, including aluminium matter restrictive coating (113), the inside of aluminium matter restrictive coating (113) is provided with flexible enhancement strip (123), the outer fixed surface installation of flexible enhancement strip (123) installs flexible backup pad (124), the quantity of flexible backup pad (124) is four, and the end of flexible backup pad (124) all with aluminium matter restrictive coating (113) inner wall fixed connection.

4. The flexible fireproof cable with high-efficiency waterproof function according to claim 1, wherein: and the filling materials of the second waterproof layer (116) and the first waterproof layer (115) are low-smoke halogen-free waterproof ropes.

5. The flexible fireproof cable with high-efficiency waterproof function according to claim 1, wherein: the thickness of the first dry powder flame-retardant layer (118) is 0.40-0.70mm, and the thickness of the second dry powder flame-retardant layer (120) is 0.60-0.85 mm.