CN219800528U - High-low temperature resistant signal cable - Google Patents

Abstract

The utility model discloses a high-low temperature resistant signal cable, which comprises a wear-resistant layer, wherein a flame-retardant layer is arranged on the inner side of the wear-resistant layer, a heat insulation layer is arranged on the inner side of the flame-retardant layer, a first elastic gauze layer is arranged on the inner side of the heat insulation layer, a plurality of first hollow wires are uniformly arranged on the inner side of the first elastic gauze layer, a second elastic gauze layer is arranged on the inner side of the first hollow wires, a plurality of conductors are arranged in the second elastic gauze layer, an insulating layer is arranged on the outer side of each conductor, and the buffer effect is achieved when the cable is subjected to thermal expansion and contraction through the two layers of the elastic gauze layers and the uniformly distributed first hollow wires, so that the cable structure layer is prevented from being broken or damaged.

Description

High-low temperature resistant signal cable

Technical Field

The utility model relates to the technical field of cables, in particular to a high-low temperature resistant signal cable.

Background

A cable is a conductor coated with an insulating layer, a protective layer, a shielding layer, and the like for transmitting power, signal current, and signal voltage.

The existing cable is poor in high and low temperature resistance, and under the environment of high temperature, the inner structure of the cable is easy to soften, deform and expand, and the cable is likely to be damaged due to mutual extrusion among the multi-layer structures, so that the normal use of the cable is affected;

in the same way, under the environment with lower temperature, the situation that the plurality of structural layers are contracted due to expansion caused by heat and contraction caused by cold can be caused, but the inner space of the cable is limited, and when the structural layers cannot be contracted, the structural layers are easy to break.

For this purpose, a high and low temperature resistant signal cable is proposed.

Disclosure of Invention

The utility model aims to provide a high-low temperature resistant signal cable so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high low temperature resistant signal cable, includes the wearing layer, the inboard of wearing layer is equipped with fire-retardant layer, the inboard of fire-retardant layer is equipped with the thermal insulation layer, the inboard of thermal insulation layer is equipped with first elasticity netted yarn layer, the inside wall on first elasticity netted yarn layer is even to be equipped with a plurality of first hollow threads, the inboard of first hollow thread is equipped with the second elasticity netted yarn layer, the inside on second elasticity netted yarn layer is equipped with a plurality of conductors, the conductor outside is equipped with the insulating layer.

Preferably: a filler layer is disposed between the conductor and the second elastic gauze layer.

Preferably: and a plurality of second hollow wires are uniformly arranged in the filling layer.

Preferably: the second hollow wires and the conductors are staggered.

Preferably: and a reinforcing core is arranged at the inner center of the filling layer.

Preferably: the first elastic gauze layer and the second elastic gauze layer are made of terylene.

Preferably: the first hollow wire and the second hollow wire are made of rubber.

Preferably: the wear-resistant layer is made of polyurethane, and the flame-retardant layer is made of flame-retardant polyolefin.

Preferably: the heat insulation layer is made of heat insulation cotton.

Compared with the prior art, the utility model has the beneficial effects that: through the elastic gauze layer of two layers and the first hollow wires which are uniformly distributed, the buffer effect can be achieved when the cable is subjected to thermal expansion and cold contraction, and the situation that the cable structure layer is broken or damaged is avoided.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. a wear-resistant layer; 2. a flame retardant layer; 3. a thermal insulation layer; 4. a first elastic scrim layer; 5. a first hollow wire; 6. a second elastic scrim layer; 7. a filling layer; 8. a conductor; 9. a reinforcing core; 10. and a second hollow wire.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Examples

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a high low temperature resistant signal cable, includes wearing layer 1, and the inboard of wearing layer 1 is equipped with fire-retardant layer 2, and fire-retardant layer 2's inboard is equipped with thermal insulation layer 3, and thermal insulation layer 3's inboard is equipped with first elasticity netted yarn layer 4, and the inside wall on first elasticity netted yarn layer 4 is even to be equipped with a plurality of first hollow threads 5, and the inboard of first hollow threads 5 is equipped with second elasticity netted yarn layer 6, and the inside on second elasticity netted yarn layer 6 is equipped with a plurality of conductors 8, and the conductor 8 outside is equipped with the insulating layer.

The first elastic gauze layer 4 and the second elastic gauze layer 6 can more conveniently limit the positions of the first hollow wires 5, so that the first hollow wires 5 are uniformly distributed, and when the cable expands due to heat or contracts due to cold at high temperature or low temperature, the first hollow wires 5 can be compressed and stretched.

As shown in fig. 1: a filling layer 7 is arranged between the conductor 8 and the second elastic gauze layer 6; by the arrangement, the filling layer 7 can fill the gap between the conductor 8 and the second elastic gauze layer 6, so that the position of the conductor 8 can be more conveniently limited.

As shown in fig. 1: the inside of the filling layer 7 is uniformly provided with a plurality of second hollow wires 10

As shown in fig. 1: a plurality of second hollow wires 10 and a plurality of conductors 8 are staggered; with the above arrangement, the second hollow wire 10 can allow the filling layer 7 to have an expanded space when the conductor 8 expands with heat and contracts with cold.

As shown in fig. 1: the inner center of the filling layer 7 is provided with a reinforcing core 9; through the arrangement, the overall strength of the cable is improved, and the stretching resistance of the cable is improved.

As shown in fig. 1: the first elastic gauze layer 4 and the second elastic gauze layer 6 are made of terylene; by the above arrangement, the first hollow wire 5 can follow the deformation when it is deformed.

As shown in fig. 1: the first hollow wire 5 and the second hollow wire 10 are made of rubber; through the arrangement, deformation is more convenient.

As shown in fig. 1: the wear-resisting layer 1 is made of polyurethane, the flame-retardant layer 2 is made of flame-retardant polyolefin, and the heat insulation layer 3 is made of heat insulation cotton.

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 (9)

1. High low temperature resistant signal cable, including wearing layer (1), its characterized in that: the inside of wearing layer (1) is equipped with fire-retardant layer (2), the inboard of fire-retardant layer (2) is equipped with insulating layer (3), the inboard of insulating layer (3) is equipped with first elasticity netted yarn layer (4), the inside wall on first elasticity netted yarn layer (4) is even to be equipped with a plurality of first hollow threads (5), the inboard of first hollow threads (5) is equipped with second elasticity netted yarn layer (6), the inside on second elasticity netted yarn layer (6) is equipped with a plurality of conductors (8), the conductor (8) outside is equipped with the insulating layer.

2. The high and low temperature resistant signal cable of claim 1, wherein: a filling layer (7) is arranged between the conductor (8) and the second elastic gauze layer (6).

3. A high and low temperature resistant signal cable according to claim 2, wherein: the inside of the filling layer (7) is uniformly provided with a plurality of second hollow wires (10).

4. A high and low temperature resistant signal cable according to claim 3, wherein: a plurality of second hollow wires (10) and a plurality of conductors (8) are staggered.

5. A high and low temperature resistant signal cable according to claim 2, wherein: the inner center of the filling layer (7) is provided with a reinforcing core (9).

6. The high and low temperature resistant signal cable of claim 1, wherein: the first elastic gauze layer (4) and the second elastic gauze layer (6) are made of terylene.

7. The high and low temperature resistant signal cable of claim 1, wherein: the first hollow wires (5) and the second hollow wires (10) are made of rubber.

8. The high and low temperature resistant signal cable of claim 1, wherein: the wear-resistant layer (1) is made of polyurethane, and the flame-retardant layer (2) is made of flame-retardant polyolefin.

9. The high and low temperature resistant signal cable of claim 1, wherein: the heat insulation layer (3) is made of heat insulation cotton.