CN209947514U

CN209947514U - Rat-proof high-temperature-resistant flame-retardant power cable

Info

Publication number: CN209947514U
Application number: CN201921187141.3U
Authority: CN
Inventors: 马列; 马顺利; 熊林娜; 马雅婷
Original assignee: Guiyang Hengxin Cable Co Ltd
Current assignee: Guiyang Hengxin Cable Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-01-14
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a protection against rodents is high temperature resistant fire-retardant power cable, including oversheath and silk screen, the silk screen sets up in this oversheath inboard, just the silk screen inboard is provided with the tubulose insulating layer, the inside many wires that are provided with of insulating layer, and the equal cladding in many wire outsides has an internal insulation layer, the internal insulation layer with be provided with the filling layer between the insulating layer. Has the advantages that: the utility model discloses an add the protection against rodents layer that contains the raticide in cable oversheath position, will bite the mouse that eats cable sheath through the raticide and kill to solve the mouse harm problem of cable, protective effect is good, and sets up the protruding arris column structure of multiunit in the cable oversheath outside, improves cable fixed stability, and the practicality is strong.

Description

Rat-proof high-temperature-resistant flame-retardant power cable

Technical Field

The utility model relates to a power cable equipment field, concretely relates to protection against rodents high temperature resistant fire-retardant power cable.

Background

The power cable is an insulated conductor formed by arranging one or more mutually insulated conductive cores in a sealed sheath. A protective covering layer is additionally arranged outside the electric heating element for transmitting, distributing electric energy or transmitting electric signals. With the rapid development of the communication industry in the last twenty years, the cable products have a remarkable development speed, and the cable products are developed from the past simple telephone and telegraph cables to different types of telephone cables, coaxial cables, optical cables, data cables, even combined communication cables and the like.

The applicant finds that at least the following technical problems exist in the prior art: because the cable is easy to be bitten by rats in the building, the cable structure is damaged and even the power communication is interrupted, most of the rat-proof methods used at present are methods for increasing the hardness of a cable sheath, adding rat-repelling facilities and the like, and the method has poor rat-proof effect, cannot effectively protect the cable and has poor practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a protection against rodents high temperature resistant fire-retardant power cable just lies in providing for solving above-mentioned problem, adds the protective structure who contains the raticide in cable oversheath position, will bite the mouse of biting and eating the cable sheath through the raticide and kill to solve the rat damage problem of cable, the protecting effect is good, and the practicality is strong, sees the explanation below in detail.

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

the utility model provides a protection against rodents high temperature resistant fire-retardant power cable, including oversheath and silk screen, the silk screen sets up in this oversheath inboard, and the silk screen inboard is provided with the tubulose insulating layer, be provided with many wires inside the insulating layer, and all cladding has the internal insulation layer outside many wires, be provided with the filling layer between internal insulation layer and the insulating layer;

the oversheath inboard is provided with a plurality of cyclic annular holding tanks, and is this a plurality of cyclic annular holding tank is along this oversheath length direction evenly distributed, all be provided with ring form protection against rodents layer in the cyclic annular holding tank, just the oversheath outside evenly is provided with a plurality of cyclic annular location arris, and is a plurality of location arris and a plurality of the holding tank is crisscross to be distributed.

By adopting the rat-proof high-temperature-resistant flame-retardant power cable, when rats appear at the cable erection position and bite the cable, the outer sheath is damaged, so that the accommodating groove in the outer sheath is exposed in the external environment, the rats touch the rat-proof layer and bite the rat-proof layer in the bite process, and the rats are killed by raticide in the rat-proof layer, so that the rat-proof process of the cable is realized.

Preferably, the thickness of the rat-proof layer is smaller than the depth of the accommodating groove, and the rat-proof layer is bonded with the outer sheath through viscose.

Preferably, the ratproof layer is prepared by soaking annular silk floss material in raticide solution and drying.

Preferably, the positioning rib and the outer sheath are integrally formed, and the positioning rib is of a rib-shaped protruding structure.

Preferably, the wire mesh and the heat insulation layer are bonded and connected through phenolic resin, and the wire mesh is of a nickel diamond mesh structure.

Preferably, the outer sheath is made of hard rubber, and a fire-resistant diaphragm is arranged at the joint of the outer sheath and the wire mesh.

Has the advantages that: the utility model discloses an add the protection against rodents layer that contains the raticide in cable oversheath position, will bite the mouse that eats cable sheath through the raticide and kill to solve the mouse harm problem of cable, protective effect is good, and sets up the protruding arris column structure of multiunit in the cable oversheath outside, improves cable fixed stability, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 front view structural diagram of the present invention;

fig. 2 is a schematic view of the inner structure of the outer sheath of the present invention;

fig. 3 is a cross-sectional structural view of the outer sheath of the present invention.

The reference numerals are explained below:

1. an outer sheath; 101. accommodating grooves; 102. a rat-proof layer; 103. positioning the edge; 2. a wire mesh; 3. a thermal insulation layer; 4. a filling layer; 5. a wire; 6. an inner insulating layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a protection against rodents is high temperature resistant fire-retardant power cable, including oversheath 1 and silk screen 2, silk screen 2 sets up in this oversheath 1 inboard, and 2 inboards of silk screen are provided with

tubulose insulating layer

3, and 3 inside wires 5 that are provided with in insulating layer, and the equal cladding in the 5 outsides of many wires has an internal insulation layer 6, is provided with filling layer 4 between internal insulation layer 6 and the insulating layer 3, and this filling layer 4 is the foaming silica gel material.

The utility model discloses an oversheath 1 inboard is provided with a plurality of cyclic annular holding tanks 101, and this a plurality of cyclic annular holding tanks 101 all are provided with annular protection against rodents layer 102 along this oversheath 1 length direction evenly distributed in cyclic annular holding tank 101, and the oversheath 1 outside evenly is provided with a plurality of cyclic annular location arris 103, and a plurality of location arris 103 and a plurality of holding tank 101 staggered distribution.

As an optional implementation manner, the thickness of the rat-proof layer 102 is smaller than the depth of the holding tank 101, the rat-proof layer 102 is bonded with the outer sheath 1 through an adhesive, the rat-proof layer 102 is made by soaking an annular silk floss material in a rat medicine solution and drying, the positioning rib 103 is integrally formed with the outer sheath 1, the positioning rib 103 is of an annular rib-shaped protruding structure, the annular positioning rib 103 is arranged on the outer side of the outer sheath 1, the position of the positioning rib 103 is distributed in a staggered manner with the holding tank 101, so that the position of the holding tank 101 is identified through the positioning rib 103, the rat-proof layer 102 in the holding tank 101 is prevented from being cut by mistake when a cable is cut, the rat medicine in the outer sheath 1 is prevented from leaking, the position of the rat-proof layer 102 is identified, a reminding positioning and identifying effect is achieved for a user, meanwhile, the friction force on the outer side of the outer sheath 1 is improved through the positioning rib 103, and the, through phenolic resin bonding connection between silk screen 2 and the insulating layer 3, and this silk screen 2 is the rhombus network structure of nickel material, through setting up the electromagnetic shield effect of silk screen 2 in order to improve the cable, improves the pull resistance of cable simultaneously, oversheath 1 is the ebonite material, and oversheath 1 is provided with fire-resistant diaphragm with the department that meets of silk screen 2, and this fire-resistant diaphragm is fire-resistant mica tape material, improves the fire resistance of cable through fire-resistant diaphragm, prevents that the cable from catching fire and damaging.

By adopting the structure, when a mouse appears at the cable erection position and bites the cable, the outer sheath 1 is damaged, the accommodating groove 101 in the outer sheath 1 is exposed in the external environment, the mouse contacts the rat-proof layer 102 and bites the rat-proof layer 102 in the biting process, and the mouse is killed by the raticide in the rat-proof layer 102, so that the rat-proof process of the cable is realized;

through adding rat protection layer 102 that contains the raticide in cable oversheath 1 position, will bite the mouse of biting and gnawing the cable sheath through the raticide and kill to solve the rat damage problem of cable, the protecting effect is good, and sets up the protruding arris column structure of multiunit in the cable oversheath 1 outside, improves cable fixed stability, and the practicality is strong.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a fire-retardant power cable of protection against rodents high temperature resistant which characterized in that: the wire mesh type heat insulation protective sleeve comprises an outer sheath (1) and a wire mesh (2), wherein the wire mesh (2) is arranged on the inner side of the outer sheath (1), a tubular heat insulation layer (3) is arranged on the inner side of the wire mesh (2), a plurality of wires (5) are arranged inside the heat insulation layer (3), inner insulation layers (6) are coated on the outer sides of the wires (5), and a filling layer (4) is arranged between each inner insulation layer (6) and the heat insulation layer (3);

oversheath (1) inboard is provided with a plurality of cyclic annular holding tanks (101), and is these a plurality of cyclic annular holding tank (101) are along this oversheath (1) length direction evenly distributed, all be provided with annular protection against rodents layer (102) in cyclic annular holding tank (101), just oversheath (1) outside evenly is provided with a plurality of cyclic annular location arriss (103), and is a plurality of location arriss (103) and a plurality of holding tank (101) crisscross distribution.

2. The ratproof high-temperature-resistant flame-retardant power cable according to claim 1, characterized in that: the thickness of the rat-proof layer (102) is smaller than the depth of the accommodating groove (101), and the rat-proof layer (102) is bonded with the outer sheath (1) through viscose.

3. The ratproof high-temperature-resistant flame-retardant power cable according to claim 2, characterized in that: the ratproof layer (102) is prepared by soaking annular silk floss material in raticide solution and drying.

4. The ratproof high-temperature-resistant flame-retardant power cable according to claim 1, characterized in that: the positioning rib (103) and the outer sheath (1) are integrally formed, and the positioning rib (103) is of a rib-shaped protruding structure.

5. The ratproof high-temperature-resistant flame-retardant power cable according to claim 1, characterized in that: the silk screen (2) is bonded with the heat insulation layer (3) through phenolic resin, and the silk screen (2) is of a nickel diamond mesh structure.

6. The ratproof high-temperature-resistant flame-retardant power cable according to claim 1, characterized in that: the outer sheath (1) is made of hard rubber, and a fire-resistant diaphragm is arranged at the joint of the outer sheath (1) and the silk screen (2).