CN210467394U

CN210467394U - Wear-resisting type electric wire

Info

Publication number: CN210467394U
Application number: CN201921882255.XU
Authority: CN
Inventors: 孙孝林; 孙五州; 马晓博; 孙林娜
Original assignee: Henan Hengsheng Tongda Wire And Cable Co Ltd
Current assignee: Henan Hengsheng Tongda Wire And Cable Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-05-05
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a wear-resistant electric wire, which comprises an electric core, wherein an insulating layer is wrapped outside the electric core, an isolating layer is wrapped outside the insulating layer, and a wear-resistant sleeve is arranged outside the isolating layer; the outer surface of the isolation layer is uniformly provided with a plurality of raised ribs, and at least one side surface of each raised rib is provided with an inward concave groove constructed along the rib; the wear-resistant sleeve is an insulating sleeve, a plurality of fixing tooth strips with F-shaped cross sections are uniformly distributed on the inner side surface of the sleeve, and the protruding tooth parts of the fixing tooth strips are correspondingly inserted into the invagination grooves; the wear-resistant electric wire provided by the utility model avoids the abrasion of the insulating layer in the long-time use process through the double protection of the isolating layer and the wear-resistant layer, thereby protecting the electric core and improving the use safety of the electric wire; through protruding rib and the fixed tooth strip on isolation layer and the wearing layer, play the cushioning effect when the electric wire is buckled, strengthen holistic stretching resistance, anti bending capability and elasticity, prevent that the electric wire from warping, the life of extension electric wire.

Description

Wear-resisting type electric wire

Technical Field

The utility model relates to the technical field of cables, particularly, for a wear-resisting type electric wire.

Background

The electric wire and the cable are both wires for transmitting electric energy. The electric wire consists of one or more soft conducting wires, and a light and soft protective layer is wrapped outside the electric wire; the cable is composed of one or more insulated wires and is covered by a tough outer layer made of metal or rubber.

Current electric wire adopts simple insulating material parcel copper conductor, and the protection nature is relatively poor, is worn and torn easily, the fish tail, and the radiating effect is poor simultaneously, influences copper conductor's electric conductive property, in daily operation, often can take place like electric current overload, mechanical collision etc. lead to the conflagration to take place, lead to the electric wire to damage, reduced life, increased the loss, bring inconvenience for the power consumption, the electric wire that exposes for a long time also can lead to internal damage by the oxidation easily, influence the use.

In view of this, the utility model discloses.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a wear-resisting type electric wire to improve the safety in utilization of cable, increase of service life.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a wear-resistant electric wire comprises an electric core, wherein an insulating layer is wrapped outside the electric core, an isolating layer is wrapped outside the insulating layer, and a wear-resistant sleeve is arranged outside the isolating layer; the outer surface of the isolation layer is uniformly provided with a plurality of raised ribs, and at least one side surface of each raised rib is provided with an inward concave groove constructed along the rib; the wear-resisting sleeve is an insulating sleeve, a plurality of fixed tooth strips with F-shaped cross sections are evenly distributed on the inner side surface of the sleeve, and the protruding tooth parts of the fixed tooth strips are correspondingly inserted into the invagination grooves.

Furthermore, in the wear-resistant electric wire, the cross section of the wear-resistant sleeve is an "F" -shaped fixed tooth strip, and the wear-resistant electric wire is formed by arranging two parallel tooth parts with different lengths on one reinforcing rib; the wear-resistant sleeve and the fixed tooth bar are integrally formed.

Furthermore, in the wear-resistant electric wire, the cross sections of the raised ribs uniformly distributed on the outer surface of the isolating layer are rectangular; and two sunken grooves constructed along the raised ribs are formed in one side surface of each raised rib, and two parallel tooth parts of the wear-resistant sleeve are clamped in the two sunken grooves respectively.

Further, in the wear-resistant electric wire, the protruding ribs and the fixed teeth are arranged between the isolation layer and the wear-resistant sleeve in a staggered mode.

Furthermore, in the wear-resistant electric wire, the height of the protruding ribs is 2mm-3mm, and the height of the fixed teeth is 1mm-2 mm; the thickness of two tooth parts on the fixed tooth strip is 0.3mm-0.8mm, and the interval between the two tooth parts is 0.3mm-1 mm; the thicknesses of the isolation layer and the wear-resistant sleeve are 0.5mm-2 mm.

Further, in the wear-resistant electric wire, the isolation layer and the wear-resistant sleeve are made of halogen-free flame-retardant polyolefin material layers.

Furthermore, in the wear-resistant electric wire, the electric core is formed by twisting a plurality of strands of galvanized copper wires.

Further, in the wear-resistant electric wire, the insulating layer is a polyvinyl chloride material layer.

Compared with the prior art, the beneficial effects of the utility model are embodied in:

the wear-resistant electric wire provided by the utility model avoids the abrasion of the insulating layer in the long-time use process through the double protection of the isolating layer and the wear-resistant layer, thereby protecting the electric core and improving the use safety of the electric wire; through protruding rib and the fixed tooth strip on isolation layer and the wearing layer, play the cushioning effect when the electric wire is buckled, strengthen holistic stretching resistance, anti bending capability and elasticity, prevent that the electric wire from warping, the life of extension electric wire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic cross-sectional view of an embodiment of a wear-resistant electric wire according to the present invention;

FIG. 2 is a schematic structural view of the wear sleeve shown in FIG. 1;

fig. 3 is a schematic structural view of the isolation layer shown in fig. 1.

In the attached drawings, 1-cell; 2-an insulating layer; 3-an isolating layer; 30-raised ribs; 31-an invagination groove; 32-an invagination groove; 4-wear-resistant casing; 40-fixing the dental strip; 41-the dental sector; 42-tooth part.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1-3, a wear-resistant electric wire includes a battery cell 1, an insulating layer 2 is wrapped outside the battery cell 1, an insulating layer 3 is wrapped outside the insulating layer 2, and a wear-resistant sleeve 4 is disposed outside the insulating layer 3; wherein, the outer surface of the isolation layer 3 is uniformly distributed with a plurality of raised ribs 30, at least one side surface of each raised rib 30 is provided with an invagination groove (31,32) constructed along the rib; the wear-resistant sleeve 4 is also an insulating sleeve, a plurality of fixing tooth strips 40 with F-shaped cross sections are uniformly distributed on the inner side surface of the sleeve, and protruding tooth parts (41,42) of the fixing tooth strips 40 are correspondingly inserted into the invagination grooves (31, 32).

In the utility model, the battery core 1 is formed by twisting a plurality of strands of galvanized copper wires, and has good electrical conductivity and thermal conductivity and lower cost; the insulating layer 2 is preferably a polyvinyl chloride material layer, and has good flame retardance, low cost and good manufacturability. The insulating layer is tightly bound outside the battery cell, so that the battery cell is prevented from sliding between the insulating layer and the battery cell, and the battery cell is insulated, fixed and protected.

The isolation layer 3 and the wear-resistant sleeve 4 are preferably made of halogen-free flame-retardant polyolefin materials, have good flame retardance and no halogen, and are environment-friendly.

Specifically, the wear-resistant sleeve 4 is uniformly provided with fixed tooth bars 40 with F-shaped cross sections, each fixed tooth bar 40 is formed by arranging two parallel tooth parts (41 and 42) with different lengths on a reinforcing rib 43, and the wear-resistant sleeve 4 and the fixed tooth bars 40 are integrally formed.

The cross section of the raised ribs 30 uniformly distributed on the outer surface of the isolation layer 3 is rectangular, two sunken grooves (31,32) constructed along the raised ribs 30 are formed in one side surface of the raised ribs 30, and the two parallel tooth parts (41,42) of the wear-resistant sleeve 4 are clamped in the two sunken grooves (31,32) respectively.

The top surfaces of the protruding ribs 30 and the fixed tooth strips 40 are arc-shaped, so that the inner part of the wire is prevented from being abraded; the raised ribs 30 and the fixed tooth bars 40 are arranged between the isolation sleeve 4 and the isolation layer 3 in a staggered manner, so that the raised ribs 30 and the fixed tooth bars 40 between the isolation layer 3 and the wear-resistant sleeve 4 have no gaps as much as possible and are mutually meshed; isolation sleeve 4 adds 3 dual protections of isolation layer, has avoided the wearing and tearing to insulating layer 2 in the long-time use, and protruding rib 30 and fixed rack 40 can both play the cushioning effect when the electric wire is buckled, strengthens holistic stretching resistance, bending resistance ability and elasticity, prevents that the electric wire from warping, prolongs the life of electric wire.

The utility model provides a wear-resisting type electric wire is particularly useful for this kind of normal motion state that is in of car, and cold and hot change is frequent, and service environment is comparatively abominable, in the use scene that will have sufficient guarantee to automatically controlled reliability in the high-speed motion, as the car electric wire, wear resistance is good, long service life.

Preferably, the height of the protruding ribs 30 is about 2mm-3mm, and the height of the fixing teeth 40 is about 1mm-2 mm; the thickness of two tooth parts (41,42) on the fixed tooth strip 40 is about 0.3mm-0.8mm, and the interval between the two tooth parts (41,42) is about 0.3mm-1 mm; the thicknesses of the isolating layer 3 and the wear-resistant sleeve 4 are about 0.5mm-2 mm. Isolation layer 3, wear-resisting sleeve pipe 4's thickness has been fully considered to this embodiment, because the two thickness is less, consequently protruding rib can not be too high with the height of fixed stripe, avoided protruding rib and fixed stripe to isolation layer, wear-resisting sleeve pipe cause the injury of tearing under the electric wire circumstances such as buckle or pulling extrusion, nevertheless to highly less protruding rib and fixed stripe, through the protruding rib of two tooth portion interlocks, fixed effectual, stability is strong.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A wear-resistant electric wire comprises an electric core and is characterized in that an insulating layer is wrapped outside the electric core, an isolating layer is wrapped outside the insulating layer, and a wear-resistant sleeve is arranged outside the isolating layer; the outer surface of the isolation layer is uniformly provided with a plurality of raised ribs, and at least one side surface of each raised rib is provided with an inward concave groove constructed along the rib; the wear-resisting sleeve is an insulating sleeve, a plurality of fixed tooth strips with F-shaped cross sections are evenly distributed on the inner side surface of the sleeve, and the protruding tooth parts of the fixed tooth strips are correspondingly inserted into the invagination grooves.

2. The abrasion-resistant electric wire according to claim 1, wherein the cross section of the abrasion-resistant sleeve is an "F" -shaped fixed tooth strip, and the fixed tooth strip is formed by arranging two parallel tooth parts with different lengths on one reinforcing rib; the wear-resistant sleeve and the fixed tooth bar are integrally formed.

3. The abrasion-resistant electric wire according to claim 2, wherein the cross section of the raised ribs uniformly distributed on the outer surface of the insulation layer is rectangular; and two sunken grooves constructed along the raised ribs are formed in one side surface of each raised rib, and two parallel tooth parts of the wear-resistant sleeve are clamped in the two sunken grooves respectively.

4. The abrasion resistant electrical wire of claim 3, wherein said raised ribs and said fixed teeth are staggered between said insulation layer and said abrasion resistant sleeve.

5. The abrasion-resistant electric wire according to any one of claims 1 to 4, wherein the height of the projecting rib is 2mm to 3mm, and the height of the fixing teeth is 1mm to 2 mm; the thickness of two tooth parts on the fixed tooth strip is 0.3mm-0.8mm, and the interval between the two tooth parts is 0.3mm-1 mm; the thicknesses of the isolation layer and the wear-resistant sleeve are 0.5mm-2 mm.

6. A wear-resistant electrical wire in accordance with claim 5, wherein the insulation layer and the wear-resistant sleeve are layers of halogen-free flame-retardant polyolefin material.

7. The abrasion-resistant wire according to claim 5, wherein the core is formed by stranding a plurality of strands of galvanized copper wire.

8. The abrasion resistant electrical wire of claim 5, wherein said insulating layer is a layer of polyvinyl chloride material.