CN213339777U

CN213339777U - Wear-resistant insulated wire

Info

Publication number: CN213339777U
Application number: CN202022852647.0U
Authority: CN
Inventors: 姚志刚
Original assignee: Shenzhen Yonglongxin Technology Co ltd
Current assignee: Shenzhen Yonglongxin Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-06-01
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a wear-resistant insulated wire, which relates to the technical field of electric wires and comprises an inner tube, wherein a support frame is arranged inside the inner tube, a first insulating layer is bonded on the inner wall of the inner tube, beam frames are all arranged at four corners of the support frame, wire cores are all clamped inside the four beam frames, a Teflon adhesive tape layer is sleeved outside the inner tube, a rubber wear-resistant layer is bonded on the outer wall of the Teflon adhesive tape layer, a spiral spring tube is arranged between the rubber wear-resistant layer and the Teflon adhesive tape layer, buffer springs are all connected around the support frame, the utility model can realize the buffer of the internal structure of the insulated wire by arranging the buffer springs, prevent the internal mechanism of the insulated wire from being damaged by extrusion, thereby realizing the protection of the internal structure of the insulated wire and ensuring the normal use of the insulated wire, the service life of the insulated wire is prolonged, and the use cost of the insulated wire is reduced.

Description

Wear-resistant insulated wire

Technical Field

The utility model belongs to the technical field of the electric wire, concretely relates to stand wear and tear insulated wire.

Background

The electric wire refers to a wire for transmitting electric energy. It is mainly used for outdoor overhead and indoor bus bars and switch boxes. The insulated wire is one of electric wires, and is an electric wire coated with an insulating layer, and mainly comprises an electromagnetic wire and a general insulated wire.

But the stand wear and tear insulated wire on the existing market has certain defect in the use, for example, can not cushion the inner structure of insulated wire, the protection of its inner structure of being not convenient for leads to the insulated wire inner structure to receive the extrusion and damage easily, causes the insulated wire to damage, influences the life of insulated wire, in addition, can not realize the protection to insulated wire inner structure, leads to its inner structure fire behavior poor, influences the normal use of insulated wire.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stand wear and tear insulated wire to the inner structure that can not cushion the insulated wire that proposes in solving above-mentioned background art, the protection of its inner structure of being not convenient for leads to the insulated wire inner structure easily to receive the extrusion and damage, can not realize the protection to the insulated wire inner structure in addition, leads to the poor problem of its inner structure fire behavior.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stand wear and tear insulated wire, includes the inner tube, the inside of inner tube is provided with the support frame, and the inner wall of inner tube bonds and has the first insulation layer, the bunch frame is all installed to four corners of support frame, and the equal joint in inside of four bunch frames has the sinle silk, the outside cover of inner tube is equipped with special fluorine dragon adhesive tape layer, and the outer wall on special fluorine dragon adhesive tape layer bonds and has the rubber wearing layer, be provided with the helical spring pipe between rubber wearing layer and the special fluorine dragon adhesive tape layer, all be connected with buffer spring around the support frame, and four buffer spring and four bunch frame interval distributions, four buffer spring all is connected with the inner wall on first insulation layer for the one end of support frame.

Preferably, a protective layer is further arranged between the inner barrel and the Teflon adhesive tape layer and comprises an outer waterproof layer, an outer fireproof layer, a vacuum layer, an inner waterproof layer and an inner fireproof layer, wherein the outer fireproof layer and the inner waterproof layer are respectively arranged on the inner side and the outer side of the vacuum layer, the outer waterproof layer is arranged on the outer wall of the outer fireproof layer, and the inner waterproof layer is fixed on the inner wall of the inner fireproof layer.

Preferably, the outer circumference of the inner cylinder extends outwards to form six limiting convex rods distributed in an annular array, the inner wall of the Teflon adhesive tape layer is inwards recessed to form six limiting grooves, and the six limiting grooves correspond to the six limiting convex rods one to one.

Preferably, a second insulating layer is bonded to the inner wall of the wire bundling frame, and the cross-sectional shape of the second insulating layer is matched with the cross-sectional shape of the wire bundling frame.

Preferably, the opposite angles of one end of the limiting convex rod far away from the inner cylinder are in arc chamfer transition to form an arc end with a smooth surface wall.

Preferably, four telescopic linkage rods are further connected between the support frame and the first insulating layer, the four linkage rods are distributed in an annular array, and the four buffer springs are respectively sleeved outside the linkage rods.

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

(1) the utility model discloses a buffer spring's setting can realize the buffering to insulated wire inner structure, prevents that insulated wire inner structure from receiving the extrusion and damaging to the normal use that can ensure the insulated wire to the protection to insulated wire inner structure is realized, helps prolonging the life of insulated wire, reduces the use cost of insulated wire.

(2) The utility model discloses a setting of the inoxidizing coating of constituteing by outer waterproof layer, outer flame retardant coating, vacuum layer, interior waterproof layer and interior flame retardant coating can improve the fire prevention waterproof performance of insulated wire to effectual barrier propterty who improves the insulated wire, the effectual life who prolongs the insulated wire, so that the normal use of insulated wire.

(3) The utility model discloses a spacing protruding pole and spacing recess's setting can realize spacing between inner tube and the special fluorine dragon sticky tape layer to effectual insulating inner structure's that has increased stability, so that the stable use of insulated wire, great improvement the practicality of insulated wire.

Drawings

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

fig. 2 is a cross-sectional view of the protective layer of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

in the figure: 1-a rubber wear layer; 2-a teflon tape layer; 3-a protective layer; 31-an outer waterproof layer; 32-outer fire barrier layer; 33-vacuum layer; 34-inner waterproof layer; 35-inner fire barrier; 4-limiting convex rods; 5-inner cylinder; 6-a first insulating layer; 7-a support frame; 8-a buffer spring; 9-a beam frame; 10-a second insulating layer; 11-a helical spring tube; 12-a limit groove; 13-arc end; 14-the core.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a stand wear and tear insulated wire, including inner tube 5, the inside of inner tube 5 is provided with support frame 7, and the inner wall of inner tube 5 bonds and has first insulation layer 6, restraint line frame 9 is all installed to four corners of support frame 7, and the equal joint in inside of four restraint line frames 9 has sinle silk 14, the outside cover of inner tube 5 is equipped with teflon adhesive tape layer 2, and the outer wall of teflon adhesive tape layer 2 bonds and has rubber wearing layer 1, be provided with helical spring pipe 11 between rubber wearing layer 1 and the teflon adhesive tape layer 2, support frame 7 all is connected with buffer spring 8 all around, and four buffer spring 8 and four restraint line frame 9 interval distributions, four buffer spring 8 all are connected with the inner wall on first insulation layer 6 for the one end of support frame 7.

When the special-shaped insulated wire is used, the wire core 14 is limited and fixed through the wire harness frame 9 in the support frame 7 so as to prevent the short circuit caused by the contact of the wire core 14, the rubber wear-resistant layer 1 can play a role in protecting the insulated wire, so that the insulated wire is more wear-resistant so as to extend the service life of the insulated wire, and meanwhile, the strength of the insulated wire can be increased through the Teflon adhesive tape layer 2 and the spiral spring tube 11 so that the insulated wire is more durable;

in addition, in the use process of the insulated wire, when the insulated wire is extruded, the buffer spring 8 is stressed to contract and generates reverse acting force, so that the insulated wire is restored to the original state, the buffer of the internal structure of the insulated wire can be realized under the action of the elastic performance of the buffer spring 8, and the internal mechanism of the insulated wire is prevented from being damaged due to extrusion, so that the internal structure of the insulated wire is protected, and the normal use of the insulated wire can be ensured.

In this embodiment, preferably, a protective layer 3 is further disposed between the inner barrel 5 and the teflon adhesive tape layer 2, and the protective layer 3 includes an outer waterproof layer 31, an outer fireproof layer 32, a vacuum layer 33, an inner waterproof layer 34 and an inner fireproof layer 35, where the outer fireproof layer 32 and the inner waterproof layer 34 are respectively disposed on the inner side and the outer side of the vacuum layer 33, the outer waterproof layer 31 is mounted on the outer wall of the outer fireproof layer 32, and the inner waterproof layer 34 is fixed on the inner wall of the inner fireproof layer 35.

Specifically, in the insulated wire use, can play waterproof effect to 5 inside sinle silks 14 of inner tube through 3 inside outer waterproof layers 31 of inoxidizing coating and interior waterproof layer 34, the waterproof performance of effectual improvement insulated wire, and simultaneously, through 3 inside outer flame retardant coating 32 of inoxidizing coating, vacuum layer 33 and interior flame retardant coating 35, can realize playing the effect of fire prevention to 5 inside sinle silks 14 of inner tube, the effectual fire behavior that improves the insulated wire, thereby can improve the barrier propterty of insulated wire, the effectual life who prolongs the insulated wire, can ensure the normal use of insulated wire, be favorable to reducing insulating nature use cost.

In this embodiment, preferably, six limiting protruding rods 4 distributed in an annular array are formed on the outer circumference of the inner cylinder 5 in an outward extending manner, six limiting grooves 12 are formed on the inner wall of the teflon adhesive tape layer 2 in an inward recessed manner, and the six limiting grooves 12 correspond to the six limiting protruding rods 4 one to one.

Specifically, when teflon sticky tape layer 2 cup jointed in inner tube 5's outside, spacing protruding rod 4 can inject spacing recess 12 to realize spacing between inner tube 5 and the teflon sticky tape layer 2, the effectual stability that increases insulating inner structure, so that the stable use of insulated wire.

In this embodiment, it is preferable that the second insulating layer 10 is bonded to the inner wall of the harness frame 9, and the cross-sectional shape of the second insulating layer 10 matches the cross-sectional shape of the harness frame 9.

Specifically, through second insulating layer 10, can play the insulating effect of pad protection to sinle silk 14 to the normal work of sinle silk 14.

In this embodiment, preferably, opposite corners of one end of the limiting convex rod 4 far away from the inner cylinder 5 are all transited by arc chamfers to form a smooth arc end 13 of the surface wall.

Specifically, through the smooth arc end 13 of the surface wall, the limiting convex rod 14 can be conveniently and rapidly inserted into the limiting groove 12, and rapid insertion of the limiting convex rod 14 is realized.

In this embodiment, preferably, four retractable linkage rods are further connected between the support frame 7 and the first insulating layer 6, the four linkage rods are distributed in an annular array, and the four buffer springs 8 are respectively sleeved outside the linkage rods.

Specifically, at buffer spring 8 flexible in-process, the gangbar is flexible thereupon to effectual stability when having increased buffer spring 8 flexible prevents buffer spring 8 atress too big and take place to buckle, so that buffer spring 8's stability is flexible.

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. A wear-resistant insulated wire, characterized by: comprises an inner cylinder (5), a supporting frame (7) is arranged in the inner cylinder (5), a first insulating layer (6) is bonded on the inner wall of the inner cylinder (5), a beam frame (9) is arranged at each of four corners of the support frame (7), wire cores (14) are clamped inside the four wire bundling frames (9), a Teflon adhesive tape layer (2) is sleeved outside the inner cylinder (5), and the outer wall of the Teflon adhesive tape layer (2) is bonded with a rubber wear-resistant layer (1), a spiral spring pipe (11) is arranged between the rubber wear-resistant layer (1) and the Teflon adhesive tape layer (2), buffer springs (8) are connected around the supporting frame (7), and four buffer springs (8) and four wire bundling frames (9) are distributed at intervals, and one ends of the four buffer springs (8) relative to the supporting frame (7) are connected with the inner wall of the first insulating layer (6).

2. A wear resistant insulated wire according to claim 1, characterized in that: still be provided with inoxidizing coating (3) between inner tube (5) and teflon sticky tape layer (2), just inoxidizing coating (3) are including outer waterproof layer (31), outer flame retardant coating (32), vacuum layer (33), interior waterproof layer (34) and interior flame retardant coating (35), wherein, the inside and outside both sides of vacuum layer (33) are located respectively in outer flame retardant coating (32) and interior waterproof layer (34), outer waterproof layer (31) are installed in the outer wall of outer flame retardant coating (32), interior waterproof layer (34) are fixed in the inner wall of interior flame retardant coating (35).

3. A wear resistant insulated wire according to claim 1, characterized in that: the outer circumference of inner tube (5) is gone up to extend outward and is formed with six spacing protruding poles (4) that are the annular array and distribute, the inner wall of special fluorine dragon sticky tape layer (2) is inwards sunken to be formed with six spacing recesses (12), and six spacing recesses (12) and six spacing protruding poles (4) one-to-one.

4. A wear resistant insulated wire according to claim 1, characterized in that: and a second insulating layer (10) is bonded on the inner wall of the wire harness frame (9), and the cross section of the second insulating layer (10) is matched with that of the wire harness frame (9).

5. A wear resistant insulated wire according to claim 3, characterized in that: the opposite corners of one end, far away from the inner cylinder (5), of the limiting convex rod (4) are in arc chamfer transition to form arc ends (13) with smooth surface walls.

6. A wear resistant insulated wire according to claim 1, characterized in that: four telescopic linkage rods are further connected between the support frame (7) and the first insulating layer (6), the four linkage rods are distributed in an annular array mode, and the four buffer springs (8) are sleeved outside the linkage rods respectively.