CN214956111U

CN214956111U - Industrial double-layer insulation coaxial cable

Info

Publication number: CN214956111U
Application number: CN202121473583.1U
Authority: CN
Inventors: 余军; 王瑶
Original assignee: Suzhou Fuertai Optoelectronic Technology Co ltd
Current assignee: Suzhou Fuertai Optoelectronic Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-11-30
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to the technical field of cables, in particular to an industrial double-layer insulated coaxial cable, which comprises a first cable core and a pressure-resistant part, wherein the pressure-resistant part comprises two limiting rings and a plurality of protective sleeves positioned between the two limiting rings, the protective sleeves comprise two arc-shaped sheet structures which are symmetrically distributed, two ends of the two arc-shaped sheet structures are respectively rotationally connected with the two limiting rings, the first cable cores are in one-to-one correspondence with the protective sleeves, and a plurality of first cable cores respectively penetrate through the corresponding protective sleeves; the inside of spacing ring is run through and is equipped with the second sinle silk, and the outside cover of anti splenium is equipped with the shielding layer, and the outside cover of shielding layer is equipped with the inner sheath, and the outside cover of inner sheath is equipped with the oversheath. The utility model provides a first sinle silk all alternates in the polylith protective sheath on anti splenium, consequently when the cable receives external force extrusion, can avoid many first sinle silks in the cable to extrude mutually and lead to the sinle silk fracture to help prolonging the life of cable.

Description

Industrial double-layer insulation coaxial cable

Technical Field

The utility model relates to a cable technical field specifically is an industry double-deck insulating coaxial cable.

Background

With the rapid development of national economy, the using amount and the application range of the wire and cable used as the aorta of the national economy are larger and larger, and in recent years, the demand of industries such as power plants, transformer substations, smelting, petrochemical industry and the like on the cable is increasing day by day. The traditional industrial cable is usually single-layer insulation, and an internal conductor core is lack of a protection mechanism, so that the internal conductor core of the cable is easy to break due to rolling of vehicles, and the cable is damaged; in addition, the single-layer insulated cable is also easily worn and broken by the outer protective layer, so that the inner conductor of the cable is polluted. For this reason, we propose an industrial double-layer insulated coaxial cable to solve the above drawbacks well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an industry double-deck insulating coaxial cable protects the sinle silk through set up anti splenium in that the cable is inside, has solved original cable and has leaded to the cracked problem of inside sinle silk because of outside extrusion easily.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an industrial double-layer insulated coaxial cable comprises a first wire core and a pressure-resistant part, wherein the pressure-resistant part comprises two limiting rings and a plurality of protective sleeves positioned between the two limiting rings, each protective sleeve consists of two arc-shaped sheet structures which are symmetrically distributed, two ends of each arc-shaped sheet structure are respectively rotatably connected with the two limiting rings, the first wire cores correspond to the protective sleeves one by one, and a plurality of first wire cores respectively penetrate through the corresponding protective sleeves;

the inside of spacing ring is run through and is equipped with the second sinle silk, the outside cover of anti splenium is equipped with the shielding layer, the outside cover of shielding layer is equipped with the inner sheath, the outside cover of inner sheath is equipped with the oversheath.

Preferably, the first wire core comprises four wire cores and a cross-shaped retainer, the wire cores are distributed at four included angles of the cross-shaped retainer, a glass fiber layer is sleeved on the outer side of the cross-shaped retainer, and an insulating sleeve is sleeved on the outer side of the glass fiber layer.

Preferably, the compression resisting part further comprises an elastic pad arranged on the limiting ring and located between two adjacent protective sleeves.

Preferably, talcum powder is filled between the inner sheath and the outer sheath.

Preferably, the shielding layer is formed by weaving tinned copper wires.

Preferably, the inner sheath and the outer sheath are made of polyvinyl chloride.

Compared with the prior art, the utility model provides a double-deck insulating coaxial cable of industry possesses following beneficial effect:

1. the first wire cores in the utility model are all inserted into the plurality of protective sleeves on the pressure-resistant part, so that when the cable is extruded by external force, the breakage of the wire cores caused by the mutual extrusion of the first wire cores in the cable can be avoided, thereby being beneficial to prolonging the service life of the cable;

2. the utility model discloses in be provided with the two-layer insulation system of inner sheath and oversheath, and it has the talcum powder to fill between inner sheath and the oversheath to help the dismantlement of oversheath, can change after the oversheath wearing and tearing are serious.

Drawings

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

fig. 2 is the structural schematic diagram of the anti-pressing part of the present invention.

In the figure: 1. a first wire core; 101. a wire core; 102. a cross-shaped retainer; 103. a glass fiber layer; 104. an insulating sleeve; 2. a compression resistant portion; 201. a limiting ring; 202. a protective sleeve; 203. an elastic pad; 3. a second wire core; 4. a shielding layer; 5. an inner sheath; 6. an outer sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1 and 2, an industrial double-layer insulated coaxial cable includes four first wire cores 1 and four pressure-resistant portions 2, where the first wire cores 1 are provided with a plurality of pressure-resistant portions 2, and the pressure-resistant portions 2 are uniformly arranged along the length direction of the first wire core 1, each pressure-resistant portion 2 includes two limiting rings 201 and a plurality of protective sleeves 202 located between the two limiting rings 201, each protective sleeve 202 is composed of two symmetrically distributed arc-shaped sheet structures, and two ends of each arc-shaped sheet structure are rotatably connected with the two limiting rings 201, so that an included angle between the two arc-shaped sheet structures of the protective sleeve 202 is adjustable, and the first wire cores 1 are conveniently mounted and dismounted, the first wire cores 1 are in one-to-one correspondence with the protective sleeves 202, and the four first wire cores 1 are respectively penetrated through the corresponding protective sleeves 202; the pressure-resistant portion 2 is still including setting up the cushion 203 on the spacing ring 201 and being located between two adjacent protective sheaths 202, and the cushion 203 is made for having elastic rubber material, and its effect is when pressure-resistant portion 2 does not receive the exogenic action, maintains the angle of protective sheath 202, avoids first sinle silk 1 to drop in from protective sheath 202.

The first wire core 1 comprises four wire cores 101 and a cross-shaped retainer 102, the wire cores 101 are distributed at four included angles of the cross-shaped retainer 102, the cross-shaped retainer 102 is made of sponge materials, a glass fiber layer 103 is sleeved on the outer side of the cross-shaped retainer 102, an insulating sleeve 104 is sleeved on the outer side of the glass fiber layer 103, and the insulating sleeve 104 is made of polyvinyl chloride.

The inside of spacing ring 201 runs through and is equipped with second wire core 3, the outside cover of anti splenium 2 is equipped with shielding layer 4, shielding layer 4 adopts the tinned copper wire to weave and forms, the outside cover of shielding layer 4 is equipped with inner sheath 5, the outside cover of inner sheath 5 is equipped with oversheath 6, and the material of inner sheath 5 and oversheath 6 is polyvinyl chloride, it has the talcum powder to fill between inner sheath 5 and the oversheath 6, the talcum powder plays the lubrication action, consequently, when oversheath 6 appears serious wear, the user can pull down oversheath 6 and change.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. An industrial double-layer insulation coaxial cable is characterized in that: the anti-compression type cable core comprises a first cable core (1) and a compression-resistant part (2), wherein the compression-resistant part (2) comprises two limiting rings (201) and a plurality of protective sleeves (202) positioned between the two limiting rings (201), each protective sleeve (202) is composed of two arc-shaped sheet structures which are symmetrically distributed, two ends of each arc-shaped sheet structure are respectively rotatably connected with the two limiting rings (201), the first cable cores (1) are in one-to-one correspondence with the protective sleeves (202), and the plurality of first cable cores (1) respectively penetrate through the corresponding protective sleeves (202);

the inside of spacing ring (201) is run through and is equipped with second sinle silk (3), the outside cover of anti splenium (2) is equipped with shielding layer (4), the outside cover of shielding layer (4) is equipped with inner sheath (5), the outside cover of inner sheath (5) is equipped with oversheath (6).

2. The industrial double-layer insulated coaxial cable of claim 1, wherein: the first wire core (1) comprises four wire cores (101) and a cross-shaped retainer (102), the wire cores (101) are distributed at four included angles of the cross-shaped retainer (102), a glass fiber layer (103) is sleeved on the outer side of the cross-shaped retainer (102), and an insulating sleeve (104) is sleeved on the outer side of the glass fiber layer (103).

3. The industrial double-layer insulated coaxial cable of claim 1, wherein: the pressure resisting part (2) further comprises an elastic pad (203) which is arranged on the limiting ring (201) and is positioned between two adjacent protective sleeves (202).

4. The industrial double-layer insulated coaxial cable of claim 1, wherein: talcum powder is filled between the inner sheath (5) and the outer sheath (6).

5. The industrial double-layer insulated coaxial cable of claim 1, wherein: the shielding layer (4) is formed by weaving tinned copper wires.

6. The industrial double-layer insulated coaxial cable of claim 1, wherein: the inner sheath (5) and the outer sheath (6) are made of polyvinyl chloride.