CN217788053U

CN217788053U - Power line with good structural strength

Info

Publication number: CN217788053U
Application number: CN202221292844.4U
Authority: CN
Inventors: 叶德波
Original assignee: Dongguan Licheng Electric Wires Co ltd
Current assignee: Dongguan Licheng Electric Wires Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-11-11
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a power line with good structural strength, which comprises a wire, a first plug connector and a second plug connector; the conductor comprises a conductor, an insulating layer, an outer coating, a reinforcing core wire, tensile ropes, elastic strips and a protective layer, wherein the insulating layer and the outer coating are sequentially arranged outside the conductor from inside to outside; so, through the combination design of strengthening heart yearn, stretch-proofing rope and elasticity strip, utilize to strengthen the heart yearn and arrange in the tegillum around conductor periphery interval formula to cooperation elasticity strip, stretch-proofing rope and the mutual transposition of tegillum, in order to improve holistic structural strength of power cord, tensile strength ability and elastic recovery ability, thereby guaranteed the normal use of power cord, structural design is ingenious reasonable, and thickness is little, convenient to use, and usability is good, and application scope is wide.

Description

Power line with good structural strength

Technical Field

The utility model relates to a power cord field technique especially indicates a good power cord of structural strength.

Background

At present, the electric wire and cable refers to a material used for electric power, communication and related purposes, and has many uses, mainly used for controlling installation, connecting equipment, transmitting electric power, transmitting signals and other multiple functions, and is a common and indispensable object in daily life.

The existing power line structure has poor strength, conductors in the power line need to bear larger pulling force and bending side pressure under the action of tensile force and bending force in the process that the power line is frequently moved or wound and stored for a long time in daily use, otherwise, the conductors of the power line are easy to laterally dislocate, or the conductors in the power line are broken and damaged, so that the normal use of the power line is influenced; afterwards, the power cord that intensity is good has appeared on the market, and it is through increasing multilayer rubber circle or thickening rubber layer on the power cord to improve the intensity and the atress effect of power cord, however, its multilayer rubber layer has increased the whole thickness of power cord, and it is inconvenient to use, wraps up closely, and the usability is not good enough, and application scope is little.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a power cord that structural strength is good, and it designs through the combination of strengthening heart yearn, stretch-proofing rope and elasticity strip to improve holistic structural strength of power cord, tensile strength and elastic recovery ability, thereby guaranteed the normal use of power cord, structural design is ingenious reasonable, and thickness is little, convenient to use, and usability is good, and application scope is wide.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a power line with good structural strength comprises a wire, a first plug connector and a second plug connector; wherein: the conductor comprises a conductor, an insulating layer, an outer coating layer, a reinforcing core wire, a tensile rope, an elastic strip and a protective layer, wherein the insulating layer and the outer coating layer are sequentially arranged outside the conductor from inside to outside, the reinforcing core wire is a non-metal reinforcing core wire, the reinforcing core wire is provided with a plurality of pieces and is arranged in the outer coating layer at intervals around the periphery of the conductor, the tensile rope and the elastic strip are respectively arranged on two opposite sides of the outer coating layer, the tensile rope, the elastic strip and the outer coating layer are mutually twisted, and the protective layer is arranged on the outer sides of the tensile rope and the elastic strip; the first plug is arranged at one end of the wire and is connected with the wire in a conduction mode, and the second plug is arranged at the other end of the wire and is connected with the wire in a conduction mode.

Preferably, the reinforcing core wire is formed by stranding KFRP aramid fibers.

Preferably, the tensile rope is a steel-zinc alloy wire rope.

Preferably, the protective layer is a waterproof rubber layer.

Preferably, fire-resistant and heat-insulating materials are filled between the inner side of the protective layer and the outer sides of the tensile ropes and the elastic strips.

Preferably, the refractory and heat-insulating material is asbestos.

As a preferable scheme, the surface of the protective layer is sprayed with a waterproof coating and a wear-resistant coating, and the wear-resistant coating is arranged outside the waterproof coating.

As a preferable scheme, the waterproof coating is a polymer cement-based waterproof coating, and the wear-resistant coating is an epoxy resin coating.

Preferably, the conductors include two first conductors and two second conductors, the insulating layer is respectively arranged outside the first conductors and the second conductors, the second conductors are located between the two first conductors, and the reinforcing core wires are arranged at intervals along the peripheries of the first conductors and the second conductors.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, particularly, can know by above-mentioned technical scheme, it is mainly through the combination design of reinforcement heart yearn, stretch-proofing rope and elastic strip, utilize reinforcement heart yearn to arrange in the tegument around conductor periphery interval formula, and cooperate elastic strip, stretch-proofing rope and tegument to strand each other, in order to improve the holistic structural strength of power cord, tensile strength ability and elastic recovery ability, thereby the normal use of power cord has been guaranteed, compare the power cord of traditional multilayer rubber layer, structural design is ingenious reasonable, thickness is little, high durability and convenient use, usability is good, application scope is wide;

secondly, the reinforced core wire is made of aramid fiber, has excellent properties of high strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, insulation, ageing resistance, long life cycle and the like, and improves the service life of the power line;

and the protective layer is a waterproof rubber layer, so that the phenomenon that the power line is wet and enters water is avoided, meanwhile, the waterproof coating and the wear-resistant coating are arranged, so that the power line has better corrosion resistance and waterproof performance, and the fireproof and heat-insulating material is arranged so as to prevent the power line from burning and burning off the wire when the power line is burnt by a fire source, so that the flame retardant performance of the power line is improved.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of a lead wire according to an embodiment of the present invention.

The attached drawings indicate the following:

10. wire 111, first conductor

112. Second conductor 113 and third conductor

12. Insulating layer 13, outer layer

14. Reinforced core wire 15, tensile rope

16. Elastic strip 17, protective layer

171. Waterproof coating 172 and wear-resistant coating

18. Fire-resistant and heat-insulating material 20 and first plug connector

21. First insulating head 22, first plug end

30. Second plug connector 31 and second insulation head

32. A second plug end.

Detailed Description

Fig. 1 to fig. 2 show a specific structure of an embodiment of the present invention.

A power cord with good structural strength comprises a lead 10, a first plug 20 and a second plug 30; wherein:

the lead 10 comprises a conductor, an insulating layer 12, a tegument 13, a reinforcing core wire 14, a tensile rope 15, an elastic strip 16 and a protective layer 17, wherein the insulating layer 12 and the tegument 13 are sequentially arranged outside the conductor from inside to outside, the reinforcing core wire 14 is a nonmetal reinforcing core wire, the reinforcing core wire 14 is provided with a plurality of pieces and is arranged in the tegument 13 at intervals around the periphery of the conductor, the tensile rope 15 and the elastic strip 16 are respectively arranged at two opposite sides of the tegument 13, the tensile rope 15 and the elastic strip 16 are mutually twisted with the tegument 13, the protective layer 17 is arranged at the outer sides of the tensile rope 15 and the elastic strip 16, the conductors comprise a first conductor 111, a second conductor 112 and a third conductor 113, the insulating layer 12 is respectively arranged outside the first conductor 111, the second conductor 112 and the third conductor 113, the second conductor 112 is positioned between the first conductor 111 and the third conductor 113, the reinforcing core wires 14 are arranged along the peripheries of the first conductor 111, the second conductor 112 and the third conductor 113 at intervals, preferably, the first conductor 111 and the third conductor 113 are formed by twisting 105 tinned copper wires of 0.08mm and nylon wires of 500D, and the second conductor 112 is formed by twisting 42 tinned copper wires of 0.08mm and nylon wires of 500D;

the first plug 20 is disposed at one end of the wire 10 and is in conduction connection with the wire 10, and the second plug 30 is disposed at the other end of the wire 10 and is in conduction connection with the wire 10, in this embodiment, the first plug 20 is disposed at the left end of the wire 10, the first plug 20 includes a first insulation head 21 and a first plug end 22, and the first plug end 22 is disposed on the first insulation head 21 in an embedded manner and is in conduction connection with the wire 10; the second plug 30 is arranged at the right end of the wire 10, the second plug 30 comprises a second insulating head 31 and a second plug end 32, and the second plug end 32 is arranged on the second insulating head 31 in an embedded manner and is in conductive connection with the wire 10; so, through the combination design of strengthening heart yearn, stretch-proofing rope and elastic strip, utilize to strengthen the heart yearn and arrange in the tegument around conductor periphery interval formula to cooperation elastic strip, stretch-proofing rope and the mutual transposition of tegument, with improvement power cord holistic structural strength, tensile property and elastic recovery ability, thereby guaranteed the normal use of power cord, compare the power cord on traditional multilayer rubber layer, structural design is ingenious reasonable, and thickness is little, convenient to use, and usability is good, and application scope is wide.

In this embodiment, the reinforcing core wire 14 is formed by stranding KFRP aramid fibers, the tensile cord 15 is a steel-zinc alloy wire rope, and the steel-zinc alloy wire rope is formed by stranding a plurality of steel-zinc alloy wires with a diameter of 0.11 mm; so, strengthen the heart yearn and be aramid fiber material, it has the intensity of preferred, high-modulus and high temperature resistant, acid and alkali resistant, light in weight, insulating, ageing resistance, life cycle excellence performance such as long, has improved the life of power cord, and simultaneously, the tensile resistance rope is steel zinc alloy wire rope, and it has the tensile ability of preferred, has prevented the snapping of power cord, has improved the service reliability of power cord.

Furthermore, the protective layer 17 is a waterproof rubber layer, a fireproof heat-insulating material 18 is filled between the inner side of the protective layer 17 and the outer sides of the tensile rope 15 and the elastic strip 16, a waterproof coating 171 and a wear-resistant coating 172 are sprayed on the surface of the protective layer 17, the wear-resistant coating 172 is arranged outside the waterproof coating 171, preferably, the fireproof heat-insulating material 18 is asbestos, the waterproof coating 171 is a polymer cement-based waterproof coating, and the wear-resistant coating 172 is an epoxy resin coating; so, the protective layer is waterproof rubber layer, has avoided the power cord the phenomenon that the moisture was intake to appear, simultaneously, waterproof coating and wear-resisting coating's setting for the power cord has the corrosion resisting property and the waterproof performance of preferred, just, fire-resistant and heat-insulating material's setting, burns the wire and blows off when avoiding the power cord to receive the burning of burning source of a fire, has improved the fire behaviour of power cord.

The utility model has the key design points that the reinforced core wire is arranged in the outer quilt layer at intervals around the periphery of the conductor by utilizing the combined design of the reinforced core wire, the tensile rope and the elastic strip, the tensile rope and the outer quilt layer are mutually twisted to improve the integral structural strength, the tensile property and the elastic recovery capability of the power line, thereby ensuring the normal use of the power line;

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A power cord that structural strength is good which characterized in that: comprises a lead, a first plug connector and a second plug connector; wherein: the conductor comprises a conductor, an insulating layer, an outer coating layer, a reinforcing core wire, a tensile rope, an elastic strip and a protective layer, wherein the insulating layer and the outer coating layer are sequentially arranged outside the conductor from inside to outside, the reinforcing core wire is a non-metal reinforcing core wire, the reinforcing core wire is provided with a plurality of pieces and is arranged in the outer coating layer at intervals around the periphery of the conductor, the tensile rope and the elastic strip are respectively arranged on two opposite sides of the outer coating layer, the tensile rope, the elastic strip and the outer coating layer are mutually twisted, and the protective layer is arranged on the outer sides of the tensile rope and the elastic strip; the first plug is arranged at one end of the wire and is connected with the wire in a conduction mode, and the second plug is arranged at the other end of the wire and is connected with the wire in a conduction mode.

2. The structurally sound power cord as claimed in claim 1, wherein: the reinforcing core wire is formed by twisting KFRP aramid fiber in multiple strands.

3. The structurally sound power cord as claimed in claim 1, wherein: the tensile rope is a steel-zinc alloy wire rope.

4. The structurally sound power cord as claimed in claim 1, wherein: the protective layer is a waterproof rubber layer.

5. The structurally sound power cord as claimed in claim 1, wherein: and fire-resistant heat-insulating materials are filled between the inner side of the protective layer and the outer sides of the tensile ropes and the elastic strips.

6. The structurally sound power cord as claimed in claim 5, wherein: the fire-resistant heat-insulating material is asbestos.

7. The structurally sound power cord as claimed in claim 1, wherein: the surface spraying of protective layer has waterproof coating and wear-resisting coating, wear-resisting coating sets up outside waterproof coating.

8. The structurally sound power cord as claimed in claim 7, wherein: the waterproof coating is a polymer cement-based waterproof coating, and the wear-resistant coating is an epoxy resin coating.

9. The structurally sound power cord as claimed in claim 1, wherein: the conductor comprises two first conductors and one second conductor, the insulating layers are arranged outside the first conductors and the second conductors respectively, the second conductors are located between the two first conductors, and the reinforcing core wires are arranged at intervals along the peripheries of the first conductors and the second conductors.