CN218335294U

CN218335294U - Silicone rubber cable intermediate joint with flame retardant function

Info

Publication number: CN218335294U
Application number: CN202220963039.3U
Authority: CN
Inventors: 刘青阳
Original assignee: Guangzhou Ball Communication Technology Co ltd
Current assignee: Guangzhou Ball Communication Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2023-01-17
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a cable joint technical field specifically is a take fire-retardant function's silicon rubber cable intermediate head, including last casing and lower casing, four through-holes, four have all been seted up to one side of going up casing and lower casing the internal surface of through-hole is all pegged graft and is had a fixing bolt, four the equal threaded connection of surface of fixing bolt has a nut, connecting plate of the equal fixedly connected with in both sides of casing down. The utility model has the advantages that: can prevent the emergence of electric leakage accident through being provided with the insulating layer, be provided with first insulating layer, second insulating layer and fire-retardant layer can prevent the device burning, be provided with the flame retardant coating and scribble fire retardant coating at the surface of last casing and casing down and can follow external protection the device, can make to go up the casing and be connected between the casing down more stable through being provided with fixing bolt and nut, the fixed plate can play the effect of support to first cable and second cable.

Description

Silicone rubber cable intermediate joint with flame retardant function

Technical Field

The utility model relates to a cable joint technical field, especially a take fire-retardant function's silicon rubber cable intermediate head.

Background

The cable is an electric energy or signal transmission device, usually it is made up of several or several groups of wire, the wire to transmit electric power or information from one place to another place, usually it is a cable similar to rope twisted by several or several groups of wire (at least two of each group), each group of wire is insulated each other, and often twisted around a center, the whole outside is wrapped with the high insulating coating, the cable has the characteristic of internal electrification, external insulation, the cable has power cable, control cable, compensating cable, shielding cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable, etc., they are made up of single strand or multi strand wire and insulating layer, used for connecting circuit, electrical apparatus, etc., with the continuous development of the country, the area of the city is expanded, the living standard of people is improved, the application of the cable is more and more extensive, because the cable not only can transmit electric energy, the signal and realize the magnetic conversion, but also the insulativity is good, difficult to get hot, have improved the security that the electric wire network lays to a certain extent.

In the electrical installation engineering, the cable length that the in-service use needs can far exceed the maximum length of making of cable sometimes, at this moment, just need to get up the cable in the intermediate junction, the cable intermediate head is the weak link in the circuit, has taken place in recent years many times because the tunnel fire accident that the intermediate head trouble causes, the cable intermediate head on the existing market can not play fine flame retardant efficiency to the conflagration takes place, causes the explosion even, has very big potential safety hazard.

Therefore, the silicone rubber cable intermediate joint with the flame retardant function is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a take fire-retardant function's silicon rubber cable intermediate head.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a take fire-retardant function's silicon rubber cable intermediate head, includes casing and lower casing, four through-holes have all been seted up to one side of going up casing and lower casing, four the internal surface of through-hole all is pegged graft and has a fixing bolt, four the equal threaded connection of the surface of fixing bolt has a nut, the equal fixedly connected with connecting plate in both sides of casing down, two the equal fixedly connected with fixed plate in upper surface of connecting plate, two a mounting hole has all been seted up to one side of fixed plate, two the internal surface difference fixedly connected with a first cable and a second cable of mounting hole.

Optionally, the outer surfaces of the first cable and the second cable are both fixedly connected with an insulating layer, and one side of the insulating layer is fixedly connected with a first heat insulation layer.

Optionally, the insulating layer is made of rubber.

Optionally, the upper housing and the lower housing are the same in shape and size.

Optionally, the inner surfaces of the upper shell and the lower shell are fixedly connected with a flame-retardant layer, and one side of the flame-retardant layer is fixedly connected with a second heat insulation layer.

Optionally, one side of each of the two fixing plates is fixedly connected with a fireproof layer.

Optionally, the upper shell and the lower shell are fixedly connected through four fixing bolts and four nuts.

Optionally, the outer surfaces of the upper shell and the lower shell are coated with fireproof paint.

Optionally, one side of each of the two fire-proof layers is lapped on one side of the upper shell and one side of the lower shell.

The utility model has the advantages of it is following:

1. the utility model discloses the device can prevent the emergence of electric leakage accident through being provided with the insulating layer, is provided with first insulating layer, second insulating layer and fire-retardant layer and can prevents the device burning, is provided with the flame retardant coating and scribbles fire retardant coating and can follow external protection the device at the surface of last casing and lower casing.

2. The utility model discloses the device can be so that go up the casing and be connected between the casing more stable down through being provided with set bolt and nut, and the fixed plate can play the effect of support to first cable and second cable.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic front view structure diagram of the present invention;

fig. 3 is a schematic top view structure of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the present invention;

fig. 5 is a schematic view of a part of the structure of the present invention.

In the figure: 1-upper shell, 2-lower shell, 3-first cable, 4-second cable, 11-through hole, 12-fixing bolt, 13-nut, 21-connecting plate, 22-fixing plate, 23-mounting hole, 24-fireproof layer, 31-insulating layer, 32-first heat-insulating layer, 41-flame-retardant layer and 42-second heat-insulating layer.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1 to 5, a silicon rubber cable intermediate head with flame retardant function, it includes casing 1 and casing 2 down, four through-holes 11 have all been seted up to one side of casing 1 and casing 2 down, fixing bolt 12 has all been pegged graft to the internal surface of four through-holes 11, the equal threaded connection of surface of four fixing bolt 12 has a nut 13, the equal fixedly connected with connecting plate 21 in both sides of casing 2 down, be provided with waterproof backing plate between the lower surface of casing 1 and the upper surface of casing 2 down, can prevent the inside intaking of the device, can protect the device to a certain extent, the equal fixedly connected with fixed plate 22 of upper surface of two connecting plates 21, a mounting hole 23 has all been seted up to one side of two fixed plates 22, can make the connection between casing 1 and the casing 2 down more stable through being provided with fixing bolt 12 and nut 13, fixed plate 22 can play the effect of support to first cable and second cable 4, the internal surface difference fixedly connected with a first cable 3 and a second cable 4 of two mounting holes 23.

As an optimal technical solution of the utility model: the outer surfaces of the first cable 3 and the second cable 4 are fixedly connected with an insulating layer 31, the occurrence of electric leakage accidents can be prevented by arranging the insulating layer 31, and one side of the insulating layer 31 is fixedly connected with a first heat insulation layer 32.

As an optimal technical solution of the utility model: the insulating layer 31 is made of rubber.

As an optimal technical solution of the utility model: the upper case 1 and the lower case 2 have the same shape and size, the first cable 3 is connected to one side of the second cable 4, and the connection position is provided inside the insulating layer 31.

As an optimal technical solution of the utility model: the inner surfaces of the upper shell 1 and the lower shell 2 are fixedly connected with a flame-retardant layer 41, one side of the flame-retardant layer 41 is fixedly connected with a second heat-insulating layer 42, and the arrangement of the first heat-insulating layer 32, the second heat-insulating layer 42 and the flame-retardant layer 41 can prevent the device from burning.

As an optimal technical solution of the utility model: one side of each of the two fixing plates 22 is fixedly connected with a fireproof layer 24.

As an optimal technical solution of the utility model: go up casing 1 and casing 2 through four fixing bolt 12 and four nut 13 fixed connection, adopt bolt 12 and nut 13 to couple together last casing 1 and casing 2 down for connection between them is more stable.

As an optimal technical solution of the utility model: the outer surfaces of the upper and

lower cases

1 and 2 are coated with a fireproof paint, and the device can be protected from the outside by being provided with a fireproof layer 24 and being coated with a fireproof paint on the outer surfaces of the upper and

lower cases

1 and 2.

As an optimal technical solution of the utility model: one side of each of the two fireproof layers 24 is lapped on one side of the upper shell 1 and one side of the lower shell 2.

In summary, the following steps: the device can prevent the occurrence of electric leakage accidents by arranging the insulating layer 31, the first heat-insulating layer 32, the second heat-insulating layer 42 and the flame-retardant layer 41 can prevent the device from burning, the flame-retardant layer 24 is arranged, and the outer surfaces of the upper shell 1 and the lower shell 2 are coated with fireproof paint to protect the device from the outside; the utility model discloses the device can be so that go up casing 1 and be connected between the casing 2 more stable through being provided with fixing bolt 12 and nut 13, and fixed plate 22 can play the effect of support to first cable and second cable 4.

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

Claims

1. The utility model provides a take fire-retardant function's silicon rubber cable intermediate head which characterized in that: including last casing (1) and casing (2) down, four through-holes (11) have all been seted up to one side of going up casing (1) and casing (2) down, four fixing bolt (12) have all been pegged graft to the internal surface of through-hole (11), four the equal threaded connection of surface of fixing bolt (12) has a nut (13), the equal fixedly connected with connecting plate (21) in both sides of casing (2) down, two the equal fixedly connected with of upper surface of connecting plate (21) fixed plate (22), two a mounting hole (23), two the internal surface difference fixedly connected with of mounting hole (23) is first cable (3) and a second cable (4).

2. The silicone rubber cable intermediate joint with a flame retardant function of claim 1, characterized in that: the outer surfaces of the first cable (3) and the second cable (4) are fixedly connected with an insulating layer (31), and one side of the insulating layer (31) is fixedly connected with a first heat insulation layer (32).

3. The silicone rubber cable intermediate joint with a flame retardant function of claim 2, characterized in that: the insulating layer (31) is made of rubber.

4. The silicone rubber cable intermediate joint with a flame retardant function of claim 1, wherein: the upper shell (1) and the lower shell (2) are identical in shape and size.

5. The silicone rubber cable intermediate joint with a flame retardant function of claim 1, wherein: the inner surfaces of the upper shell (1) and the lower shell (2) are fixedly connected with a flame-retardant layer (41), and one side of the flame-retardant layer (41) is fixedly connected with a second heat-insulating layer (42).

6. The silicone rubber cable intermediate joint with a flame retardant function of claim 1, wherein: one side of each of the two fixing plates (22) is fixedly connected with a fireproof layer (24).

7. The silicone rubber cable intermediate joint with a flame retardant function of claim 1, wherein: the upper shell (1) and the lower shell (2) are fixedly connected through four fixing bolts (12) and four nuts (13).

8. The silicone rubber cable intermediate joint with a flame retardant function of claim 1, wherein: the outer surfaces of the upper shell (1) and the lower shell (2) are coated with fireproof paint.

9. The silicone rubber cable intermediate joint with a flame retardant function of claim 6, wherein: one sides of the two fireproof layers (24) are lapped on one sides of the upper shell (1) and the lower shell (2).