CN215577799U

CN215577799U - High-temperature-resistant and bending-resistant electric wire

Info

Publication number: CN215577799U
Application number: CN202121620569.XU
Authority: CN
Inventors: 肖楚平
Original assignee: Guangdong Rizhan High Temperature Wire Co ltd
Current assignee: Guangdong Rizhan High Temperature Wire Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-18
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a high-temperature-resistant bending-resistant electric wire, which belongs to the technical field of electric wires and comprises a fixing sleeve, wherein a galvanized steel wire is arranged in the middle of the fixing sleeve, and copper wires are arranged on the periphery of the fixing sleeve; according to the utility model, the fixing lugs are arranged on the inner wall of the flame-retardant layer and the outer wall of the heat-insulating layer, so that the adhesive force between the flame-retardant layer and the high-temperature-resistant layer and between the high-temperature-resistant layer and the heat-insulating layer is improved, and the falling risk is avoided; the outer surface of the fixing sleeve is wrapped with a layer of woven wire mesh, and the polytetrafluoroethylene filling layer is filled and wrapped with the woven wire mesh and the fixing sleeve, so that a copper wire in the fixing sleeve is firmly fixed and is not easy to loosen, and the structural stability is improved.

Description

High-temperature-resistant and bending-resistant electric wire

Technical Field

The utility model belongs to the technical field of electric wires, and particularly relates to a high-temperature-resistant and bending-resistant electric wire.

Background

The electric wire refers to a wire for transmitting electric energy. The bare wires, the electromagnetic wires and the insulated wires. The bare wires have no insulating layer and comprise copper, aluminum flat wires, overhead stranded wires and various profiles (such as molded lines, buses, copper bars, aluminum bars and the like). It is mainly used for outdoor overhead and indoor bus bars and switch boxes. Magnet wires are insulated wires that, when energized, produce a magnetic field or induce a current in a magnetic field. It is mainly used for motor and transformer coils and other relevant electromagnetic equipment. The conductor is mainly a copper wire, and has a thin insulating layer, good electrical and mechanical properties, heat resistance, moisture resistance, solvent resistance and the like. Different insulating materials are selected to achieve different characteristics.

Chinese patent application No. CN201821308934.1 discloses a high temperature resistant and bending resistant electric wire material, its copper conductor is filled fixedly through polytetrafluoroethylene, the middle steel wire carries out the bending resistance, the copper conductor is poor with the fixed effect of steel wire, the bending resistance effect is poor, and structural stability is poor simultaneously, easily causes the separation that drops, influences life.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a high-temperature-resistant and bending-resistant electric wire which has the characteristics of good bending-resistant effect, stable structure and difficulty in falling off.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high temperature resistant electric wire of buckling, includes fixed cover, the centre of fixed cover is provided with the galvanized steel wire, be provided with the copper conductor around fixed cover, the surperficial recess of fixed cover is defended to look and is provided with the rubber elastic sheet, the outside of fixed cover is provided with the insulating layer, the outside of insulating layer is provided with high temperature resistant layer, the surface on high temperature resistant layer is provided with fire-retardant layer, it has the polytetrafluoroethylene filling layer to fill between insulating layer and the fixed cover.

Preferably, the copper conductors are inserted into the fixing sleeve and distributed in an equilateral triangle.

Preferably, the surface of the fixed sleeve is provided with a fixed clamping seat, and two ends of the rubber elastic sheet are inserted into the fixed clamping seat to be clamped and connected.

Preferably, the rubber elastic sheet is arranged to be of an arc structure sunken to one side of the galvanized steel wire, and the rubber elastic sheet and the fixed sleeve are of the same rubber material structure.

Preferably, the inner wall of the flame-retardant layer and the outer wall of the heat-insulating layer are both provided with fixing lugs, and the surface of the high-temperature-resistant layer is provided with grooves corresponding to the fixing lugs.

Preferably, the outer surface of the fixing sleeve is wrapped with a layer of woven wire mesh.

Compared with the prior art, the utility model has the beneficial effects that:

1. the copper wire is limited and fixed through the fixing sleeve, so that resistance is generated when the wire is bent, the bending resistance effect is improved, the rubber elastic sheet is arranged at the groove of the fixing sleeve, the bending resistance effect is further improved through the arc-shaped rubber elastic sheet, and the bending resistance of the wire is enhanced;

2. according to the utility model, the fixing lugs are arranged on the inner wall of the flame-retardant layer and the outer wall of the heat-insulating layer, so that the adhesive force between the flame-retardant layer and the high-temperature-resistant layer and between the high-temperature-resistant layer and the heat-insulating layer is improved, and the falling risk is avoided; the outer surface of the fixing sleeve is wrapped with a layer of woven wire mesh, and the polytetrafluoroethylene filling layer is filled and wrapped with the woven wire mesh and the fixing sleeve, so that a copper wire in the fixing sleeve is firmly fixed and is not easy to loosen, and the structural stability is improved.

Drawings

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

fig. 2 is a schematic view of the structure of the fixing sleeve of the present invention;

FIG. 3 is a schematic view of a woven wire mesh construction of the present invention;

in the figure: 1. a flame retardant layer; 2. a high temperature resistant layer; 3. a thermal insulation layer; 4. a polytetrafluoroethylene filler layer; 5. a copper wire; 6. fixing a sleeve; 7. fixing the bump; 8. galvanized steel wire; 9. a rubber elastic sheet; 10. fixing the card holder; 11. and (4) weaving the metal wire mesh.

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, the present invention provides the following technical solutions: the utility model provides a high temperature resistant electric wire of buckling, includes fixed cover 6, and the centre of fixed cover 6 is provided with galvanized steel wire 8, and fixed cover 6 is provided with copper conductor 5 all around, and the surperficial recess of fixed cover 6 is defended to look and is provided with rubber elastic sheet 9, and the outside of fixed cover 6 is provided with insulating layer 3, and the outside of insulating layer 3 is provided with high temperature resistant layer 2, and the surface of high temperature resistant layer 2 is provided with fire-retardant layer 1, and it has polytetrafluoroethylene filling layer 4 to fill between insulating layer 3 and the fixed cover 6.

Specifically, the copper wires 5 are inserted into the fixing sleeve 6 and distributed in an equilateral triangle,

by adopting the technical scheme, mutual interference is avoided.

Specifically, the surface of the fixed sleeve 6 is provided with a fixed clamping seat 10, two ends of the rubber elastic sheet 9 are inserted into the fixed clamping seat 10 to be clamped and connected,

through adopting above-mentioned technical scheme, make things convenient for rubber shrapnel 9 to fix in the groove of fixed cover 6 department.

Specifically, the rubber elastic sheet 9 is arranged into an arc structure which is concave towards one side of the galvanized steel wire 8, the rubber elastic sheet 9 and the fixed sleeve 6 adopt the same rubber material structure,

through adopting above-mentioned technical scheme, improve anti effect of rolling over, guarantee that the material structure is unified.

Specifically, the inner wall of the flame retardant layer 1 and the outer wall of the heat insulation layer 3 are both provided with fixed lugs 7, the surface of the high temperature resistant layer 2 is provided with grooves corresponding to the fixed lugs 7,

by adopting the technical scheme, the adhesive force is improved, and the falling risk is avoided.

Specifically, the outer surface of the fixed sleeve 6 is wrapped with a layer of woven wire mesh 11,

by adopting the technical scheme, the copper conductor 5 in the fixing sleeve 6 is firmly fixed and is not easy to loosen, and the structural stability is improved.

The structures of the flame-retardant layer 1, the high-temperature-resistant layer 2, the heat-insulating layer 3, the polytetrafluoroethylene filling layer 4 and the copper conductor 5 are disclosed in a high-temperature-resistant and bending-resistant electric wire material disclosed in Chinese patent application No. CN 201821308934.1.

The working principle and the using process of the utility model are as follows: according to the utility model, the copper wire 5 is limited and fixed through the fixing sleeve 6, so that resistance is generated when the electric wire is bent, the anti-bending effect is improved, the rubber elastic sheet 9 is arranged at the groove of the fixing sleeve 6, the bending resistance effect is further improved through the arc-shaped rubber elastic sheet 9, the electric wire is resistant to bending, the adhesive force between the flame-retardant layer 1 and the high-temperature-resistant layer 2 and between the high-temperature-resistant layer 2 and the heat-insulating layer 3 is improved through the fixing convex blocks 7 arranged on the inner wall of the flame-retardant layer 1 and the outer wall of the heat-insulating layer 3, the falling risk is avoided, the outer surface of the fixing sleeve 6 is wrapped with the woven wire mesh 11, and the polytetrafluoroethylene filling layer 4 is filled and wrapped with the woven wire mesh 11 and the fixing sleeve 6, so that the copper wire 5 in the fixing sleeve 6 is firmly fixed and is not easy to loosen, and the structural stability is improved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high temperature resistant electric wire of buckling, includes fixed cover (6), its characterized in that: the middle of fixed cover (6) is provided with galvanized steel wire (8), be provided with copper conductor (5) around fixed cover (6), the surperficial recess of fixed cover (6) is defended to look and is provided with rubber shell fragment (9), the outside of fixed cover (6) is provided with insulating layer (3), the outside of insulating layer (3) is provided with high temperature resistant layer (2), the surface on high temperature resistant layer (2) is provided with fire-retardant layer (1), it has polytetrafluoroethylene filling layer (4) to fill between insulating layer (3) and fixed cover (6).

2. The high temperature and bending resistant electric wire according to claim 1, wherein: the copper conductors (5) are inserted into the fixing sleeve (6) and distributed in an equilateral triangle shape.

3. The high temperature and bending resistant electric wire according to claim 1, wherein: the surface of the fixed sleeve (6) is provided with a fixed clamping seat (10), and the two ends of the rubber elastic sheet (9) are inserted into the fixed clamping seat (10) to be clamped and connected.

4. The high temperature and bending resistant electric wire according to claim 1, wherein: the rubber elastic sheet (9) is arranged to be of an arc-shaped structure sunken to one side of the galvanized steel wire (8), and the rubber elastic sheet (9) and the fixed sleeve (6) are of the same rubber material structure.

5. The high temperature and bending resistant electric wire according to claim 1, wherein: the inner wall of the flame-retardant layer (1) and the outer wall of the heat insulation layer (3) are both provided with fixed lugs (7), and the surface of the high-temperature-resistant layer (2) is provided with grooves corresponding to the fixed lugs (7).

6. The high temperature and bending resistant electric wire according to claim 1, wherein: the outer surface of the fixed sleeve (6) is wrapped with a layer of woven wire mesh (11).