CN212230108U

CN212230108U - Efficient cold-resistant bending-resistant flexible cable

Info

Publication number: CN212230108U
Application number: CN202021314687.3U
Authority: CN
Inventors: 茆晋熔; 孙如云
Original assignee: Jiangsu Val Technology Co ltd
Current assignee: Jiangsu Val Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-12-25
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a high-efficient cold-resistant crooked flexible cable, including the cable inner support, be four cable groups that the loop configuration evenly arranged on the cable inner support, each cable group all includes the fire-retardant layer of the outside mica tape of the insulating layer of the outside insulating layer of inlayer sinle silk, has the filling rope outside the cable inner support, has the metallic shield layer outside the filling rope, has the cable crust outside the metallic shield layer, and the cable crust has the sheath outside the cable crust. The utility model discloses an use cold-resistant crooked material to make the cable not become hard under low temperature environment, the sheath can not take place fracture, become fragile because of being in low temperature environment, the cable does not receive the low temperature environment to influence the sclerosis and not easy bending, the cable can not be because many times of bending breaks, the intensity and the pull resistance of cable have been strengthened to the cable inner support, greatly reduced the installation of cable under low temperature environment and the use degree of difficulty, reduced the maintenance cost of cable.

Description

Efficient cold-resistant bending-resistant flexible cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to high-efficient cold-resistant crooked flexible cable.

Background

The cable is generally a rope-like cable formed by twisting several or several groups of wires, each group of wires is insulated from each other and usually twisted around a center, and the whole cable is covered with a highly insulating coating layer which is mainly used for connecting circuits and electric appliances.

The traditional cable is lack of cold-resistant materials in sudden low-temperature weather, so that the outer skin and the sheath can be hardened, cracked, brittle and not resistant to bending, the cable is damaged, the service life is short, and inconvenience is brought to installation and laying of the cable.

Therefore, in view of the above technical problems, it is necessary to provide a flexible cable with high efficiency, cold resistance and bending resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient cold-resistant crooked flexible cable to solve above-mentioned traditional cable under proruption low temperature weather, not resistant crooked, damage easily, the short-lived problem.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a high-efficient cold-resistant crooked flexible cable, is four cable groups that the loop configuration was evenly arranged on cable inner support and the cable inner support, each cable group all includes the fire-retardant layer of innermost sinle silk, the outside insulating layer of sinle silk and the outside mica tape of insulating layer, there is the packing rope in the cable inner support outward, there is the metallic shield layer outside the packing rope, there is the cable crust metallic shield layer outward, there is the sheath outside the cable crust, multilayer structure prevents the damage.

In one embodiment, the core comprises a plurality of stranded conductors twisted with one another to increase flexibility and reduce bending stress.

In one embodiment, the inner support and the sheath of the cable are both made of TPEE material, and have the advantages of high strength, abrasion resistance, bending resistance, impact resistance, low-temperature flexibility and long service life.

In one embodiment, the insulating layer and the cable sheath are made of cold-resistant TPU materials, so that the insulating property is good, and the elasticity and flexibility can be kept at low temperature.

In one embodiment, the filling rope is made of polypropylene material, has good electrical insulation and flexibility, and can not be rotten after being filled in the cable for a long time.

In one embodiment, cylindrical grooves which are uniformly arranged in a ring shape are formed in the sheath in a chiseled mode, so that external force is buffered, and internal cables are protected.

In one embodiment, the shielding layer is made of a tin-plated copper mesh, shields electromagnetic interference, and has a certain grounding protection effect.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses an use TPEE, cold-resistant TPU material, increase the cold-resistant flexible nature of cable, can adapt to different service environment, it is little influenced by low temperature environment, crust and sheath can not be because of low temperature fracture, become fragile, hard, still have good flexibility, elasticity, impact resistance under low temperature environment, have flexure resistance fatigue nature, resistant crooked, cable sheathing chisels has the cylindrical groove that is annular align to grid, can alleviate cable weight, increase impact resistance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a cross-sectional view of an efficient cold-resistant bending-resistant flexible cable according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a position a in fig. 1 according to an embodiment of the present invention.

In the figure: 1. the cable comprises an inner cable support, 2 parts of a filling rope, 201 parts of a wire core, 202 parts of an insulating layer, 203 parts of a mica tape flame-retardant layer, 3 parts of a shielding layer, 4 parts of a cable sheath and 5 parts of a sheath.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

The utility model discloses a high-efficient cold-resistant crooked flexible cable, it is shown with reference to figure 1, be four cable groups that the loop configuration evenly arranged on cable inner support 1 and cable inner support 1, each cable group all includes innermost sinle silk 201, the outside insulating layer 202 of sinle silk 201 and the fire-retardant layer 203 of mica tape of insulating layer 202 outside, and sinle silk 201 includes the wire that the stranded was twisted each other, increases the compliance, reduces bending stress.

Referring to fig. 1-2, a filling rope 2 is arranged outside an inner cable support 1, the filling rope 2 is made of polypropylene materials, in order to ensure that no gap exists between a cable set and a cable sheath, the filling rope has good electrical insulation and flexibility, the filling rope is not rotten in a cable after being filled for a long time, a shielding layer 3 is arranged outside the filling rope 2, a cable sheath 4 is arranged outside the shielding layer 3, a sheath 5 is arranged outside the cable sheath 4, the multilayer structure prevents damage, the insulating layer 202 and the cable sheath 4 are made of cold-resistant TPU materials, the insulation performance is good, and good elasticity and flexibility can be kept at low temperature.

Wherein, the material of shielding layer 3 is tin-plated copper net, and shielding layer proportion is 1 to 0.9, and the diameter is greater than 0.1mm, shields electromagnetic interference, has certain ground protection effect.

Referring to fig. 1, cylindrical grooves are uniformly arranged in a ring shape and are chiseled in the sheath 5 to buffer external force and protect internal cables.

Specifically, the inner cable support 1 and the sheath 5 are both made of TPEE material, and have high strength, abrasion resistance, bending resistance, impact resistance, low-temperature flexibility and long service life.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

the utility model discloses an use TPEE, cold-resistant TPU material, increase the cold-resistant flexible nature of cable, can adapt to different service environment, cold-resistant TPU receives low temperature environment to influence for a short time, crust and sheath can not be because of the low temperature fracture, become fragile, it is hard, the TPEE material still has good flexibility under low temperature environment, elasticity, impact resistance, corrosion resistance, flexure resistance fatigue nature is good, it is crooked resistant, long service life, cable sheathing chisels and has the cylindrical groove that is annular align to grid, can alleviate cable weight, increase impact resistance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high-efficient cold-resistant crooked flexible cable, is four cable groups that the loop configuration was evenly arranged on cable inner support (1) and cable inner support (1), its characterized in that, each cable group all includes sinle silk (201), the outside insulating layer (202) of sinle silk (201) and the outside mica tape flame retardant coating (203) of insulating layer (202) of inlayer, there is shielding layer (3) cable inner support (1) outward, there is filling rope (2) in the middle of cable inner support (1) and shielding layer (3), there is cable crust (4) shielding layer (3) outward, there is sheath (5) cable crust (4) outward.

2. The high efficiency cold-resistant bend-resistant flexible cable as claimed in claim 1, wherein said wire core (201) comprises a plurality of strands of wire twisted with each other.

3. The efficient cold-resistant bending-resistant flexible cable as claimed in claim 1, wherein the material of the cable inner support (1) and the material of the sheath (5) are both TPEE material.

4. The high-efficiency cold-resistant bending-resistant flexible cable as claimed in claim 1, wherein the insulating layer (202) and the cable sheath (4) are made of cold-resistant TPU material.

5. The high-efficiency cold-resistant bending-resistant flexible cable as claimed in claim 1, wherein the filling rope (2) is made of polypropylene material.

6. The high-efficiency cold-resistant bending-resistant flexible cable as claimed in claim 1, wherein cylindrical grooves are uniformly arranged in a ring shape and are cut in the sheath (5).

7. The high-efficiency cold-resistant bending-resistant flexible cable as claimed in claim 1, wherein the shielding layer (3) is made of tin-plated copper mesh.