CN219267362U

CN219267362U - Fireproof cable

Info

Publication number: CN219267362U
Application number: CN202320202988.4U
Authority: CN
Inventors: 杜文斌
Original assignee: Huai'an Shengtong Special Cable Co ltd
Current assignee: Huai'an Shengtong Special Cable Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-27
Anticipated expiration: 2033-02-13

Abstract

The utility model relates to the technical field of cables, in particular to a fireproof cable, which comprises: the protective sleeve is characterized by comprising a protective sleeve, a positioning frame and a color separation insulating layer, wherein a buffer layer is arranged on the inner wall of the protective sleeve, the inner wall of the buffer layer is connected with the positioning layer, a weight-reducing pipe and a supporting plate are arranged in the positioning frame, the color separation insulating layer is connected with a sealing layer, a mica layer is arranged on the inner wall of the sealing layer, and a conductor wire is arranged in the mica layer; the beneficial effects are as follows: the outside of a plurality of conductor line cup joints mica layer, sealing layer and colour separation insulating layer in proper order, places it between the backup pad afterwards, then is connected with the spacing groove of locating layer inboard through the spacing in locating frame outside, then fills the inside of locating frame and locating layer, later cup joints the buffer layer on the outer wall of locating layer, cup joints the lag on the outer wall of buffer layer at last to this is convenient for realize carrying out fixed spacing to the cable, and carries out further protection through each protective layer.

Description

Fireproof cable

Technical Field

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

Background

With the rapid growth of national economy in China, particularly the acceleration of the construction and transformation steps of rural and urban power grids and the vigorous development of the house and land industries in various places, the electric power industry in China is rapidly developed, so that the development of the electrician industry matched with the electric power industry, particularly the development of the wire and cable industry, is promoted, and the variety development of the wire and cable presents a diversified trend.

In the prior art, the cable on the market mainly comprises a whole cable wrapped in a protective sleeve, and the cable has a simple structure and is simple and convenient in manufacturing procedure.

However, the cable has poor fireproof performance, and the conductor core in the existing cable is difficult to fix and limit due to long length, and can be in a scattered state, so that in the installation, a plurality of people are required to operate, and the installation difficulty is high.

Disclosure of Invention

The present utility model is directed to a fireproof cable, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fire-resistant cable, the fire-resistant cable comprising:

the protective sleeve is provided with a buffer layer on the inner side wall, and the inner wall of the buffer layer is connected with a positioning layer;

the positioning frame is positioned in the positioning layer and is hexagonal, and a weight reducing pipe and a supporting plate are arranged in the positioning frame; a kind of electronic device with high-pressure air-conditioning system

The color separation insulating layer is located the inside of locating frame, the inner wall of color separation insulating layer is connected with the sealing layer, be equipped with the mica layer on the inner wall of sealing layer, the inside of mica layer is equipped with a plurality of evenly distributed's conductor line.

Preferably, a plurality of elastic rubber strips which are uniformly distributed are arranged in the buffer layer.

Preferably, the inner wall of the positioning layer is provided with limit grooves, and six limit grooves are formed.

Preferably, the outer wall hexagonal of the positioning frame is fixedly connected with limit bars, and six limit bars are connected with six limit grooves respectively.

Preferably, the six support plates are fixedly connected with the inner wall hexagonal parts of the positioning frame respectively, and one ends, close to each other, of the six support plates are fixedly connected with the outer wall of the weight-reducing pipe.

Preferably, a filling layer is arranged between the color separation insulating layer and the supporting plate and between the positioning frame and the inner wall of the positioning layer.

Preferably, the number of the color separation insulating layers is six, and the six color separation insulating layers are respectively positioned between every two adjacent side walls of the six support plates.

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

the outside of a plurality of conductor line cup joints mica layer, sealing layer and colour separation insulating layer in proper order, places it between the backup pad afterwards, then is connected with the spacing groove of locating layer inboard through the spacing in locating frame outside, then fills the inside of locating frame and locating layer, later cup joints the buffer layer on the outer wall of locating layer, cup joints the lag on the outer wall of buffer layer at last to this is convenient for realize carrying out fixed spacing to the cable, and carries out further protection through each protective layer.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the area A of FIG. 1 in accordance with the present utility model;

fig. 3 is an enlarged view of the structure of the region B in fig. 1 according to the present utility model.

In the figure: 1. a protective sleeve; 2. a buffer layer; 3. an elastic rubber strip; 4. a positioning layer; 5. a weight-reducing tube; 6. a positioning frame; 7. a filling layer; 8. a support plate; 9. a limit groove; 10. a limit bar; 11. a color separation insulating layer; 12. a sealing layer; 13. a mica layer; 14. a conductor wire.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Embodiment one:

referring to fig. 1-3, the present utility model provides a technical solution: a fire-resistant cable, the fire-resistant cable comprising: the protective sleeve 1 is provided with a buffer layer 2 on the inner side wall of the protective sleeve 1, and the inner wall of the buffer layer 2 is connected with a positioning layer 4; the positioning frame 6 is positioned in the positioning layer 4, the positioning frame 6 is hexagonal, and a weight reducing pipe 5 and a supporting plate 8 are arranged in the positioning frame 6; the color separation insulating layer 11 is located the inside of locating frame 6, and the inner wall of color separation insulating layer 11 is connected with sealing layer 12, is equipped with mica layer 13 on the inner wall of sealing layer 12, and the inside of mica layer 13 is equipped with a plurality of evenly distributed's conductor line 14.

The outside of a plurality of conductor wires 14 is sleeved with a mica layer 13, a sealing layer 12 and a color separation insulating layer 11 in sequence, then the mica layer, the sealing layer 12 and the color separation insulating layer 11 are placed between the supporting plates 8, then the mica layer is connected with a limiting groove 9 on the inner side of a positioning layer 4 through a limiting strip 10 on the outer side of a positioning frame 6, then the inside of the positioning frame 6 and the inside of the positioning layer 4 are filled, then a buffer layer 2 is sleeved on the outer wall of the positioning layer 4, and finally a protective sleeve 1 is sleeved on the outer wall of the buffer layer 2, so that the cable is fixed and limited, and further protected through various protective layers.

Embodiment two:

on the basis of the first embodiment, in order to better realize the protection of the conductor wire 14, a plurality of elastic rubber strips 3 which are uniformly distributed are arranged in the buffer layer 2; the color separation insulating layers 11 are six, and the six color separation insulating layers 11 are respectively positioned between every two adjacent side walls of the six support plates 8; the color separation insulating layers 11 are arranged in six, and the six color separation insulating layers 11 are respectively arranged between every two adjacent side walls of the six support plates 8.

The outside of a plurality of conductor wires 14 is sleeved with a mica layer 13, a sealing layer 12 and a color separation insulating layer 11 in sequence, then the mica layer, the sealing layer 12 and the color separation insulating layer 11 are placed between the supporting plates 8, then the inside of the positioning frame 6 and the inside of the positioning layer 4 are filled, then the outer wall of the positioning layer 4 is sleeved with the buffer layer 2, and finally the protective sleeve 1 is sleeved on the outer wall of the buffer layer 2, so that the cable is further protected through each protective layer.

Embodiment III:

on the basis of the first embodiment, in order to realize the limiting and fixing of the cable, limiting grooves 9 are formed in the inner wall of the positioning layer 4, and six limiting grooves 9 are formed; the six limit strips 10 are fixedly connected at the outer wall hexagonal positions of the positioning frame 6, and the six limit strips 10 are respectively connected with the six limit grooves 9; the support plates 8 are six, the six support plates 8 are fixedly connected with the inner wall hexagonal parts of the positioning frame 6 respectively, and one ends of the six support plates 8, which are close to each other, are fixedly connected with the outer wall of the weight-reducing pipe 5.

The limiting strips 10 at the outer hexagon of the positioning frame 6 are respectively connected with the limiting grooves 9 at the inner side of the positioning layer 4, so that the position of the positioning frame 6 is limited, and meanwhile, the positioning frame 6 is further supported through the action of the supporting plate 8, so that the phenomenon that the positioning frame 6 is sunken is avoided.

During practical use, the outside of a plurality of conductor wires 14 is sleeved with the mica layer 13, the sealing layer 12 and the color separation insulating layer 11 in sequence, then the conductor wires are placed between the support plates 8, then the spacing strips 10 on the outer side of the positioning frame 6 are connected with the spacing grooves 9 on the inner side of the positioning layer 4, then the inside of the positioning frame 6 and the inside of the positioning layer 4 are filled, then the outer wall of the positioning layer 4 is sleeved with the buffer layer 2, and finally the protective sleeve 1 is sleeved on the outer wall of the buffer layer 2, so that the cable is fixed and limited, and further protected by each protective layer.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fire-resistant cable, characterized in that: the fireproof cable includes:

the protective sleeve (1), wherein a buffer layer (2) is arranged on the inner side wall of the protective sleeve (1), and the inner wall of the buffer layer (2) is connected with a positioning layer (4);

the positioning frame (6) is positioned in the positioning layer (4), the positioning frame (6) is hexagonal, and a weight reducing pipe (5) and a supporting plate (8) are arranged in the positioning frame (6); a kind of electronic device with high-pressure air-conditioning system

The color separation insulating layer (11) is located the inside of locating frame (6), the inner wall of color separation insulating layer (11) is connected with sealing layer (12), be equipped with mica layer (13) on the inner wall of sealing layer (12), the inside of mica layer (13) is equipped with a plurality of evenly distributed's conductor line (14).

2. A fire resistant cable according to claim 1, characterized in that: the inside of buffer layer (2) is equipped with a plurality of evenly distributed's elasticity rubber strip (3).

3. A fire resistant cable according to claim 1, characterized in that: the inner wall of the positioning layer (4) is provided with limit grooves (9), and the limit grooves (9) are six.

4. A fire resistant cable according to claim 3, characterized in that: the six limiting strips (10) are respectively connected with the six limiting grooves (9) at the outer wall hexagonal positions of the positioning frame (6).

5. A fire resistant cable according to claim 4 wherein: the support plates (8) are six, six support plates (8) are fixedly connected with the inner wall hexagonal positions of the positioning frame (6) respectively, and one ends, close to each other, of the six support plates (8) are fixedly connected with the outer wall of the weight reducing pipe (5).

6. A fire resistant cable according to claim 1, characterized in that: and a filling layer (7) is arranged between the color separation insulating layer (11) and the supporting plate (8) and between the positioning frame (6) and the inner wall of the positioning layer (4).

7. A fire resistant cable according to claim 5, wherein: the color separation insulating layers (11) are arranged in six, and the six color separation insulating layers (11) are respectively arranged between every two adjacent side walls of the six support plates (8).