CN216053999U - Multi-core wire cable - Google Patents

Abstract

The utility model belongs to the technical field of power cable equipment, and particularly relates to a multi-core wire cable which comprises a cable main body, wherein a conductor is arranged in the center of the interior of the cable main body, an insulating sleeve is arranged on the outer surface of the conductor, a heat insulating layer is arranged on the inner wall of the insulating sleeve, a shielding layer is arranged on the outer wall of the insulating sleeve, a protective sleeve is arranged on the outer side of the insulating sleeve, a pressure-resistant layer is arranged on the outer side of the protective sleeve, a hollow groove is formed in the inner wall of the pressure-resistant layer, an elastic strip is arranged in the hollow groove, an anti-corrosion layer is arranged on the outer surface of the pressure-resistant layer, and an arc-shaped bulge is arranged on the inner wall of the heat insulating layer. According to the utility model, by arranging the insulating sleeve, the arc-shaped bulge of the heat insulation layer and the heat dissipation channel, the influence of the working heat dissipation of the conductor on the insulating sleeve can be reduced, the aging of the insulating sleeve is slowed down, and the service life of the insulating sleeve is prolonged; through setting up crushing layer, dead slot, bullet strip and anticorrosive coating, can reach crushing resistance, the elasticity of reinforcing cable main part, protect the protective sheath on the basis of traditional cable, avoid the protective sheath to receive the weathering emergence fracture of natural environment erosion.

Description

Multi-core wire cable

Technical Field

The utility model relates to the technical field of power cable equipment, in particular to a multi-core wire cable.

Background

Wire and cable refers to a wire product for transmitting electromagnetic energy, information and performing electromagnetic energy conversion, and the wire and cable usually consists of one or more insulated cores, and a coating layer, a total protective layer and an outer protective layer which may be provided for each of them, and the cable may also have an additional conductor without insulation.

The prior art has the following problems:

1. when the temperature of the conductor exceeds the allowable working temperature of an insulating material, the aging of the insulating sleeve is accelerated, even the insulating sleeve is firstly softened and deformed at the bent part of the cable, so that the service life of the cable is shortened or the cable is broken down in a short period at the bent part of the cable, and the requirement of the cable for long-term use cannot be met;

2. when the existing multi-core wire and cable is used outdoors, the outmost protective layer is corroded by natural environment, the service life is limited, the cable is stamped by external force or is curled by the cable, the cracking of the outer skin is easy to occur, and the service life of the whole wire and cable is shortened.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a multi-core wire and cable, which solves the problems that the service life of the existing insulating layer is short due to the influence of conductor heat, the outermost protective layer of the cable is corroded and weathered by the natural environment, and the service life of the whole wire and cable is shortened due to the fact that the outermost protective layer of the cable is easily corroded and cracked.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multicore wire and cable, includes the cable main part, the inside center of cable main part is provided with the conductor, the conductor surface is provided with insulating cover, insulating cover inner wall is provided with the insulating layer, insulating cover outward appearance wall is provided with the shielding layer, the insulating cover outside is provided with the protective sheath, the protective sheath outside is provided with the resistance to compression layer, resistance to compression layer inner wall is provided with the dead slot, the inside bullet strip that is provided with of dead slot, resistance to compression layer outer surface is provided with the anticorrosive coating, the insulating layer inner wall is provided with the arc arch.

As a preferred technical scheme of the utility model, the heat insulation layer is made of heat insulation coating, the heat insulation layer covers the inner wall of the insulation sleeve, the inner wall of the heat insulation layer is in contact with the conductor, the shielding layer is fixed on the outer surface of the insulation layer, and the heat insulation layer, the insulation sleeve and the shielding layer form a three-layer composite sleeve.

As a preferred technical scheme of the utility model, the arc-shaped bulges are semicircular, the number of the arc-shaped bulges is six, the arc-shaped bulges are circumferentially arranged at equal intervals, and a heat dissipation channel is formed between the arc-shaped bulges and the conductor.

As a preferred technical scheme of the utility model, the compression-resistant layer is fixed on the outer surface of the protective sleeve, the empty grooves are semicircular and are positioned on the inner wall of the compression-resistant layer, and the number of the empty grooves is a plurality of groups and are arranged in a circumferential equidistant manner.

As a preferred technical scheme of the utility model, the elastic strip is in a strip shape with an oval cross section, the elastic strip is made of elastic rubber, and the elastic strip is fixed on the inner wall of the hollow groove.

As a preferred technical scheme of the utility model, the anticorrosive coating is made of an anticorrosive coating, and the anticorrosive coating is uniformly coated and then solidified on the outer surface of the compression-resistant layer.

Compared with the prior art, the utility model provides a multi-core wire cable which has the following beneficial effects:

1. this multicore electric wire and cable, through setting up insulating cover, protruding and heat dissipation channel of insulating layer arc, through set up the insulating layer at insulating cover inner wall, utilize insulating layer isolated conductor and insulating cover direct contact, reduce conductor work heat dissipation and lead to the fact the influence to insulating cover, form heat dissipation channel simultaneously between the arc arch of insulating layer inner wall and the conductor, provide discharge space for the heat between conductor and the insulating layer, avoid the conductor during operation heat to pile up, it is ageing to slow down insulating cover, the life of extension insulating cover.

2. This multicore wire and cable, through setting up the compressive layer, the dead slot, bullet strip and anticorrosive coating, through set up the compressive layer at the protective sheath surface, utilize the shock resistance and the crushing resistance of compressive layer reinforcing cable main part, simultaneously at the dead slot internal fixation bullet strip, utilize the elasticity of bullet strip, strengthen the elasticity of protective sheath, can effectively avoid the crooked protective sheath that leads to of cable main part to warp, the condition of fracture, and set up the anticorrosive coating in the compressive layer outside, protect the protective sheath on the basis of traditional cable, avoid the protective sheath to receive the weathering of natural environment erosion.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic view of the connection structure of the insulating sleeve and the conductor of the present invention.

In the figure: 1. a cable body; 2. a conductor; 3. an insulating sleeve; 4. a thermal insulation layer; 5. a shielding layer; 6. a protective sleeve; 7. a pressure resistant layer; 8. an empty groove; 9. a spring bar; 10. an anticorrosive layer; 11. an arc-shaped bulge; 12. and a heat dissipation channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in this embodiment: a multi-core wire cable comprises a cable main body 1, a conductor 2 is arranged at the center inside the cable main body 1, an insulating sleeve 3 is arranged on the outer surface of the conductor 2, used for insulating the outer side of the conductor 2, the inner wall of the insulating sleeve 3 is provided with a heat insulating layer 4, the heat insulating layer 4 is used for isolating the conductor 2 from being in direct contact with the insulating sleeve 3, the influence of the work heat dissipation of the conductor 2 on the insulating sleeve 3 is reduced, the outer surface wall of the insulating sleeve 3 is provided with a shielding layer 5, used for shielding the electromagnetic interference generated by the electrifying of the conductor 2, a protective sleeve 6 is arranged outside the insulating sleeve 3, a pressure resistant layer 7 is arranged outside the protective sleeve 6, used for enhancing the impact resistance of the cable body 1, the inner wall of the compression-resistant layer 7 is provided with a hollow groove 8, an elastic strip 9 is arranged inside the hollow groove 8, the cable is used for enhancing the elasticity of the cable body 1, the outer surface of the compression-resistant layer 7 is provided with an anticorrosive layer 10 for preventing the outer surface of the compression-resistant layer 7 from being corroded, and the inner wall of the heat-insulating layer 4 is provided with an arc-shaped bulge 11.

In the embodiment, the heat insulation layer 4 is made of heat insulation paint, the heat insulation layer 4 covers the inner wall of the insulation sleeve 3, the inner wall of the heat insulation layer 4 is in contact with the conductor 2, the shielding layer 5 is fixed on the outer surface of the insulation layer, and the heat insulation layer 4, the insulation sleeve 3 and the shielding layer 5 form a three-layer composite sleeve, so that the influence of the working heat dissipation of the conductor 2 on the insulation sleeve 3 is reduced, the aging of the insulation sleeve 3 is slowed down, and the service life of the insulation sleeve 3 is prolonged; the arc-shaped bulges 11 are semicircular, the number of the arc-shaped bulges 11 is six, the arc-shaped bulges 11 are arranged in a circumferential equidistant manner, and a heat dissipation channel 12 is formed between the arc-shaped bulges 11 and the conductor 2, so that a discharge space is provided for heat between the conductor 2 and the heat insulation layer 4, and heat accumulation of the conductor 2 during working is avoided; the pressure-resistant layer 7 is fixed on the outer surface of the protective sleeve 6, the empty slots 8 are semicircular, the empty slots 8 are positioned on the inner wall of the pressure-resistant layer 7, the number of the empty slots 8 is a plurality of groups and are arranged in a circumferential equidistant manner, the impact resistance and the pressure resistance of the cable body 1 are enhanced by utilizing the pressure-resistant layer 7, and the empty slots 8 provide resilience space for the pressure-resistant layer 7; the elastic strip 9 is in a strip shape with an oval cross section, the elastic strip 9 is made of elastic rubber, the elastic strip 9 is fixed on the inner wall of the hollow groove 8, the elasticity of the protective sleeve 6 is enhanced by the elasticity of the elastic strip 9, and the situation that the protective sleeve 6 deforms and cracks due to bending of the cable main body 1 can be effectively avoided; anticorrosive coating 10 adopts anticorrosive coating to make, and anticorrosive coating 10 solidifies after evenly paining and covers in the surface of compressive layer 7, protects protective sheath 6 on traditional cable's basis, avoids protective sheath 6 to receive the erosion and corrosion of natural environment morals and manners.

The working principle and the using process of the utility model are as follows: the user firstly uses the cable body 1 for electrical connection, the conductor 2 can generate heat under the power-on state, the heat insulation layer 4 is used for isolating the conductor 2 from being directly contacted with the insulation sleeve 3, the influence of the work heat dissipation of the conductor 2 on the insulation sleeve 3 is reduced, meanwhile, a heat dissipation channel 12 is formed between the arc-shaped bulge 11 on the inner wall of the heat insulation layer 4 and the conductor 2, the heat dissipated by the conductor 2 is discharged from the heat dissipation channel 12, the heat accumulation of the conductor 2 during working is avoided, the impact resistance and the pressure resistance of the cable body 1 are enhanced by the pressure resistant layer 7 on the outer surface of the protective sheath 6, meanwhile, the elastic strip 9 is fixed in the empty groove 8, the elasticity of the protective sleeve 6 is enhanced by utilizing the elasticity of the elastic strip 9, the condition that the bending of the cable body 1 leads to the deformation and the cracking of the protective sleeve 6 can be effectively avoided, the anticorrosive coating 10 on the outer side of the pressure-resistant layer 7 can protect the protective sleeve 6, and the protective sleeve 6 is prevented from being corroded and weathered by the natural environment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A multicore electric wire cable, includes cable main body (1), its characterized in that: the cable comprises a cable body (1), wherein a conductor (2) is arranged at the inner center of the cable body (1), an insulating sleeve (3) is arranged on the outer surface of the conductor (2), a heat insulation layer (4) is arranged on the inner wall of the insulating sleeve (3), a shielding layer (5) is arranged on the outer surface wall of the insulating sleeve (3), a protective sleeve (6) is arranged on the outer side of the insulating sleeve (3), a pressure resistant layer (7) is arranged on the outer side of the protective sleeve (6), an empty groove (8) is formed in the inner wall of the pressure resistant layer (7), an elastic strip (9) is arranged inside the empty groove (8), an anti-corrosion layer (10) is arranged on the outer surface of the pressure resistant layer (7), and an arc-shaped bulge (11) is arranged on the inner wall of the heat insulation layer (4).

2. The multi-core wire cable of claim 1, wherein: the heat insulation layer (4) is made of heat insulation paint, the inner wall of the insulation sleeve (3) is covered by the heat insulation layer (4), the inner wall of the heat insulation layer (4) is in contact with the conductor (2), the shielding layer (5) is fixed on the outer surface of the insulation layer, and the heat insulation layer (4), the insulation sleeve (3) and the shielding layer (5) form a three-layer composite sleeve.

3. The multi-core wire cable of claim 1, wherein: arc arch (11) semicircular in shape, arc arch (11) quantity is six groups, is the circumference equidistance and arranges, form heat dissipation channel (12) between arc arch (11) and conductor (2).

4. The multi-core wire cable of claim 1, wherein: the pressure-resistant layer (7) is fixed in protective sheath (6) surface, dead slot (8) semicircular in shape, dead slot (8) are in pressure-resistant layer (7) inner wall, dead slot (8) quantity is a plurality of groups, is the circumference equidistance and arranges.

5. The multi-core wire cable of claim 1, wherein: the elastic strip (9) is in the shape of a strip with an oval cross section, the elastic strip (9) is made of elastic rubber, and the elastic strip (9) is fixed on the inner wall of the empty groove (8).

6. The multi-core wire cable of claim 1, wherein: the anti-corrosion layer (10) is made of an anti-corrosion coating, and the anti-corrosion layer (10) is coated on the outer surface of the anti-pressure layer (7) in a solidifying mode after being uniformly coated.

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