CN218214697U

CN218214697U - Environment-friendly electric wire convenient to maintain

Info

Publication number: CN218214697U
Application number: CN202222548210.7U
Authority: CN
Inventors: 黄海; 叶茂哲; 王月龙; 郑皓觊; 张幸
Original assignee: Zhejiang Renmin Cable Manufacturing Co ltd
Current assignee: Zhejiang Renmin Cable Manufacturing Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-03
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses an environmental protection electric wire convenient to maintain, including the electric wire main part, the outer wall of electric wire main part is provided with protection device, protection device includes annular sheath, fixed plate and screw, the inside and the electric wire main part sliding connection of annular sheath, the outer wall and the looks rigid coupling of two fixed plates of annular sheath, the outer wall and the screw thread connection of fixed plate. This environmental protection electric wire convenient to maintain, cooperation between through annular sheath and screw, when maintaining the electric wire, the part that will damage is cut off, it is good with new electric wire butt joint afterwards, and through the insulating tape winding, remove two annular sheaths to the butt joint position simultaneously, twist the screw afterwards, the screw passes through the fixed plate and fixes two annular sheaths together, it needs to cut the part that damages when maintaining to have solved current environmental protection electric wire, and the part of more renewing, twine through insulating tape between new electric wire and the electric wire of a specified duration, the problem that the protecting effect is not good.

Description

Environment-friendly electric wire convenient to maintain

Technical Field

The utility model relates to an electric wire technical field specifically is an environmental protection electric wire convenient to maintain.

Background

With the development of the power industry, the data communication industry, the urban rail transit industry and the like, the requirements of various industries on electric wires are higher and higher, the electric wires refer to electric energy transmission wires and are divided into bare wires, electromagnetic wires and insulating wires, the environment-friendly electric wires refer to the environment protection of insulating materials, mainly refer to the environment protection instructions of the European Union and do not contain 6P (6P) required by the European Union in terms of environment protection regulations and regulations on the aspect of children toys, namely do not contain phthalate, and most environment-friendly is low smoke, zero halogen and completely do not contain halogen elements.

However, the damaged part of the existing environmental protection electric wire needs to be cut when being maintained, and the new part is replaced, and between the new electric wire and the electric wire of a long time, most of the electric wire is wound through an insulating adhesive tape, so as to protect the gap left after cutting, but the insulating adhesive tape is too late in a long time, the viscosity of the adhesive tape is reduced due to dust, thereby the gap left after cutting can be leaked, so that the maintenance is required for many times, the maintenance process is complicated, the environmental protection electric wire is inconvenient to maintain, and the copper core of the environmental protection electric wire can generate a large amount of heat during overload work, the existing environmental protection electric wire can not isolate the heat generated inside, the inner liner of the environmental protection electric wire is made of a combustible material mostly, when the internal temperature of the environmental protection electric wire is too high, the inner liner can be ignited, the thermal insulation protection can not be performed on the inner liner, and the damage of the environmental protection electric wire is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environmental protection electric wire convenient to maintain to current environmental protection electric wire that proposes in solving above-mentioned background art only adopts insulating tape to twine, and this kind of mode can lead to the protection to maintain because of the dust and descends, need carry out a lot of and maintain, causes the problem of being not convenient for to maintain the environmental protection electric wire, and the environmental protection electric wire carries out thermal-insulated protection to the inner liner, thereby causes the damage of environmental protection electric wire.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly electric wire convenient to maintain comprises an electric wire main body, wherein a protection device is arranged on the outer wall of the electric wire main body;

the protection device comprises an annular sheath, a fixing plate and a screw;

the inner part of the annular sheath is connected with the electric wire main body in a sliding mode, the outer wall of the annular sheath is fixedly connected with the two fixing plates, and the outer walls of the fixing plates are connected with the screws in a threaded mode.

Preferably, the inner wall of the wire main body is attached with a double steel tape armor.

Preferably, the inner wall of the double-steel-tape armor is attached with a lining layer.

Preferably, the inner wall of the lining layer is provided with a flame retardant device;

the flame-retardant device comprises a heat-insulating layer and a flame-retardant filling layer;

the outer wall of insulating layer and inner liner are laminated mutually, the inner wall packing of insulating layer has fire-retardant filling layer.

Preferably, the inner wall of the flame-retardant filling layer is tightly attached to the insulating layer, and the inner wall of the insulating layer is wrapped with the conductive copper core.

Compared with the prior art, the beneficial effects of the utility model are that: this environmental protection electric wire convenient to maintain, through annular sheath, cooperation between fixed plate and the screw, when maintaining the electric wire, the part that will damage is cut off, will be new electric wire butt joint afterwards, and wind through the insulating tape, remove two annular sheaths to the butt joint position simultaneously, twist the screw afterwards, the screw is together fixed with two annular sheaths through the fixed plate, later pass through the sticky tape winding in the both sides of annular sheath and the junction of electric wire main part, fix annular sheath, twine the junction through the sticky tape, it is dustproof to the sticky tape through annular sheath, make the maintenance better, do not carry out multiple maintenance in needs, thereby be convenient for maintain the environmental protection electric wire.

Through the cooperation between insulating layer and the fire-retardant filling layer, when the electric wire overload during operation, electrically conductive copper core can produce a large amount of heats, there is the danger of conflagration breaing out, and the fire-retardant filling layer of making by the glass fiber rope material can effectually prevent the electric wire burning, thereby the protection electric wire, the insulating layer of making by the thermal-insulated coiled material of Dike aluminium foil simultaneously can prevent that inside temperature from penetrating through to the outside, thereby carry out thermal-insulated protection to the lining, the effectual burning that has stopped the electric wire, the damage of environmental protection electric wire has been avoided.

Drawings

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

FIG. 2 is a schematic view of the connection structure at A in FIG. 1;

FIG. 3 is a schematic view of the connection structure at B in FIG. 1;

fig. 4 is a schematic view of the connection structure at C in fig. 1.

In the figure: 1. the electric wire comprises an electric wire main body, 2 double steel tape armoring, 3 a protection device, 301 an annular sheath, 302 a fixing plate, 303 a screw, 4 a flame-retardant device, 401 a heat-insulating layer, 402 a flame-retardant filling layer, 5 an inner liner layer, 6 an insulating layer, 7 and a conductive copper 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an environment-friendly electric wire convenient to maintain comprises an electric wire main body 1, wherein the electric wire main body 1 is made of chlorinated rubber materials, the chlorinated rubber is a product of natural rubber through chlorination and has the characteristic of environmental protection, a protection device 3 is arranged on the outer wall of the electric wire main body 1, the protection device 3 comprises an annular sheath 301, fixing plates 302 and screws 303, the inner part of the annular sheath 301 is in sliding connection with the electric wire main body 1, the annular sheath 301 is also made of the chlorinated rubber materials, the annular sheath 301 can move to the position where the electric wire is in butt joint to carry out secondary protection, the outer wall of the annular sheath 301 is fixedly connected with the two fixing plates 302, the outer wall of the fixing plates 302 is in threaded connection with the screws 303, the two annular sheaths 301 are fixed together through the screws 303, a double steel strip armor 2 is attached to the inner wall of the electric wire main body 1, the double steel strip armor 2 is formed by installing two layers of steel strips inside the electric wire main body 1 to support the electric wire, an inner wall of the double steel strip armor 2 is attached to form an inner lining layer 5, the inner wall of the double steel strip armor 2 is made of polyvinyl chloride plastic material, and the polyvinyl chloride plastic material can bring excellent performance and corrosion resistance;

when maintaining the electric wire, the part that will damage is cut off, later with new electric wire butt joint, and twine through insulating tape, remove two annular sheath 301 simultaneously to the butt joint position, screw 303 is twisted afterwards, screw 303 is together fixed with two annular sheath 301 through fixed plate 302, later pass through the sticky tape winding in the junction of the both sides of annular sheath 301 and electric wire main part 1, fix annular sheath 301, make butt joint part obtain secondary protection, it needs to cut the part that damages when maintaining to have solved current environmental protection electric wire, and the part that more renews, twine through insulating tape between new electric wire and the electric wire of a specified duration, the not good problem of protective effect.

The inner wall of the inner liner layer 5 is provided with a flame retardant device 4, the flame retardant device 4 comprises a heat insulating layer 401 and a flame retardant filling layer 402, the outer wall of the heat insulating layer 401 is attached to the inner liner layer 5, the heat insulating layer 401 is made of Dike aluminum foil heat insulating coiled material, the Dike aluminum foil heat insulating coiled material is made of aluminum foil veneering, polyethylene films, warp and weft woven fabrics and metal films through a professional process and a technical hot melt adhesive lamination, the inner wall of the heat insulating layer 401 is filled with the flame retardant filling layer 402, the flame retardant filling layer 402 is made of glass fiber rope materials, the glass fiber rope materials are woven through a special process, the flame retardant filling layer 402 is an elastic glass fiber rope formed by an innovative weaving method, has main performances of temperature resistance, corrosion resistance, high strength and the like, can be used for insulating materials such as motors, instruments, electric appliances and the like, the inner wall of the flame retardant filling layer 402 is tightly attached to the insulating layer 6, the insulating layer 6 is made of a polyurethane rubber material, the polyurethane rubber material is a series of elastomer material containing more carbamate groups on a polymer main chain, and is actually polyurethane rubber, the inner wall of the insulating layer 6 is wrapped with a conductive copper core 7 for enabling electric wires;

at electric wire overload during operation, electrically conductive copper core 7 can produce a large amount of heats, there is the danger of conflagration breaing out, and fire-retardant filling layer 402 made by glass fiber rope material can effectually prevent the electric wire burning, thereby the protection electric wire, insulating layer 401 made by the thermal-insulated coiled material of Dike aluminium foil can prevent that inside temperature from piercing through to the outside simultaneously, thereby make the material burning of outside, the effectual burning that stops the electric wire, it can produce a large amount of heats to have solved current environmental protection electric wire at overload during operation copper core, lead to the environmental protection electric wire to burn, thereby make the problem that the environmental protection electric wire damaged.

The working principle is as follows:

when the environment-friendly electric wire convenient to maintain is used, when the electric wire is maintained, a damaged part is cut off, a new electric wire is connected in an abutting mode and wound through an insulating adhesive tape, two annular sheaths 301 are moved to an abutting position at the same time, then a screw 303 is screwed, the two annular sheaths 301 are fixed together through a fixing plate 302 by the screw 303, then the joints of the two sides of the annular sheaths 301 and the electric wire main body 1 are wound through the adhesive tape to fix the annular sheaths 301, so that the abutting part is protected secondarily, a double-steel-tape armor 2 consisting of two layers of steel sheets can effectively support the electric wire, an inner liner layer 5 made of polyvinyl chloride plastic materials can play a role in corrosion resistance, when the electric wire is in overload work, a conductive copper core 7 can generate a large amount of heat, fire hazards can occur, a flame-retardant filling layer 402 made of glass fiber rope materials can effectively prevent the electric wire from burning, the electric wire is protected, meanwhile, a heat-insulating layer 401 made of Dike aluminum foil heat-insulating coiled material can prevent the internal temperature from penetrating to the outside, the outside materials from burning, the electric wire is effectively prevented, and the electric wire is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. An environmental protection electric wire convenient to maintain, includes electric wire main part (1), its characterized in that: the outer wall of the wire main body (1) is provided with a protection device (3);

the protection device (3) comprises an annular sheath (301), a fixing plate (302) and a screw (303);

the inner part of the annular sheath (301) is connected with the electric wire main body (1) in a sliding mode, the outer wall of the annular sheath (301) is fixedly connected with the two fixing plates (302), and the outer wall of each fixing plate (302) is connected with the screw (303) in a threaded mode.

2. An environmentally friendly electrical wire for easy maintenance according to claim 1, wherein: the inner wall of the electric wire main body (1) is attached with a double-steel-tape armor (2).

3. An environmentally friendly electrical wire for easy maintenance according to claim 2, wherein: and an inner lining layer (5) is attached to the inner wall of the double-steel-belt armor (2).

4. An environmentally friendly electrical wire for facilitating maintenance as claimed in claim 3, wherein: the inner wall of the lining layer (5) is provided with a flame retardant device (4);

the flame-retardant device (4) comprises a heat-insulating layer (401) and a flame-retardant filling layer (402);

the outer wall of the heat insulation layer (401) is attached to the inner liner layer (5), and the inner wall of the heat insulation layer (401) is filled with a flame-retardant filling layer (402).

5. An environmentally friendly electrical wire for easy maintenance according to claim 4, wherein: the inner wall of the flame-retardant filling layer (402) is tightly attached to the insulating layer (6), and the inner wall of the insulating layer (6) is wrapped with the conductive copper core (7).