CN213241980U - Tensile movable flexible wire - Google Patents

Abstract

The utility model discloses a flexible line is removed in tensile, including four conductors, four conductors are stranded each other, the outer wall of four conductors all is equipped with the inner protective layer, the outer wall of four inner protective layers is equipped with the insulating layer, the insulating layer is irradiation crosslinked polyethylene material, it has the glass fiber filler to fill between insulating layer and four inner protective layers, the outer wall of insulating layer is equipped with the back-fire relief layer, the back-fire relief layer is back-fire relief mud material, the outer wall on back-fire relief layer is equipped with the enhancement layer, the enhancement layer is made for fishing net and rubber mixture, the fishing net is the rhombus and weaves and form, the outer wall of enhancement layer is equipped with the outer protective layer. The utility model discloses utilize the setting of outer protective layer and enhancement layer, add the enhancement layer that thoughtlessly has the fishing net on the basis of outer protective layer, utilize the difficult fracture of fishing net and the stronger characteristic of toughness, improved the tensile strength of electric wire, prevent that the cable from receiving the phenomenon of dragging the power damage, improved the life of electric wire.

Description

Tensile movable flexible wire

Technical Field

The utility model relates to the technical field of electric wires, in particular to tensile removal flexible electric wire.

Background

The electric wire refers to a wire for transmitting electric energy. The wire is generally composed of one or more soft wires covered by a light and soft sheath, and the cable is composed of one or more insulated covered wires covered by a tough outer layer made of metal or rubber. Cables and wires are generally composed of a core, an insulating sheath and a protective sheath. A wire with small diameter; the cable with large diameter is a simple electric wire; the cable is called as a cable with a complex structure, but with the expansion of the application range, a plurality of varieties are cables in the cable and cables in the cable. Therefore, strict distinction is not needed, and in daily habits, people call household wiring lines as electric wires, and power cables as cables for short.

The electric wire is comparatively common connecting wire in daily life, and the electric wire is at daily use in-process, often can receive the power of dragging because of external factors, so in the long-time use of electric wire, the phenomenon that the electric wire received the power and damaged because of dragging the too big and appearing inner conductor of power often can appear to the electric wire to the life of electric wire has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tensile removes flexible line to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: tensile removal flexible line, including four conductors, four the conductor transposition each other, four the outer wall of conductor all is equipped with inner protective layer, four the outer wall of inner protective layer is equipped with the insulating layer, it has the glass fiber filler to fill between insulating layer and four inner protective layers, the outer wall of insulating layer is equipped with the back-fire relief layer, the outer wall on back-fire relief layer is equipped with the enhancement layer, the outer wall of enhancement layer is equipped with the outer protective layer, the ageing resistance coating that is equipped with evenly distributed is scribbled to the outer wall of outer protective layer.

Preferably, the insulating layer is an irradiation cross-linked polyethylene material, and the fire retardant layer is a fire retardant mud material.

Preferably, the reinforcing layer is made of fishing net and rubber in a mixing mode, and the fishing net is in a rhombic grid shape.

Preferably, the outer protective layer is made of thermoplastic elastomer materials, and the anti-aging coating is an epoxy resin layer.

Preferably, the thickness ratio of the outer protective layer to the reinforcing layer is 3: 2.

Preferably, the reinforcing layer and the fire barrier layer are the same in thickness, and the thickness walls of the fire barrier layer and the insulating layer are 2: 1.

The utility model discloses a technological effect and advantage:

(1) the utility model utilizes the arrangement of the outer protective layer and the reinforced layer, the reinforced layer mixed with the fishing net is added on the basis of the outer protective layer, and the tensile strength of the electric wire is improved by utilizing the characteristics that the fishing net is not easy to break and has stronger toughness, thereby preventing the electric wire from being damaged by the pulling force and prolonging the service life of the electric wire;

(2) the utility model discloses utilize insulating layer, back-fire relief layer and ageing resistance coating's setting, play the effect of insulation, fire prevention and ageing resistance to the electric wire through insulating layer, back-fire relief layer and ageing resistance coating, improved the characteristic of electric wire, further improved the life of electric wire.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is the sectional structure diagram of the plane of bowing of the utility model.

Fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: 1. a conductor; 2. an inner protective layer; 3. an insulating layer; 4. a glass fiber filler; 5. a fire barrier layer; 6. a reinforcing layer; 7. an outer protective layer; 8. and (5) an anti-aging coating.

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.

The utility model provides a tensile movable flexible electric wire as shown in figures 1-3, which comprises four conductors 1, wherein the four conductors 1 are twisted with each other to form a twisted shape, thereby improving the strength of the inner core of the electric wire, the outer walls of the four conductors 1 are all provided with inner protective layers 2, the inner protective layers 2 play a role in protecting the conductors 1, the outer walls of the four inner protective layers 2 are provided with insulating layers 3, the insulating layers 3 play an insulating role in the electric wire, and prevent the electric wire from electric leakage, the insulating layers 3 are made of irradiation cross-linked polyethylene, glass fiber fillers 4 are filled between the insulating layers 3 and the four inner protective layers 2, the electric wire is protected by utilizing the characteristics of good insulation property, strong heat resistance, good corrosion resistance and high mechanical strength of the glass fiber, the outer wall of the insulating layer 3 is provided with a fire retardant layer 5, the fire retardant layer 5 is used for improving, the fire retardant layer 5 is made of fire retardant mud, the outer wall of the fire retardant layer 5 is provided with a reinforcing layer 6, the reinforcing layer 6 is made by mixing a fishing net and rubber, the fishing net is in a rhombic grid shape, meanwhile, the fishing net is annularly and flatly laid and embedded in the rubber, the tensile wire of the wire is improved by utilizing the characteristics of high strength and strong toughness of the fishing net, the outer wall of the reinforcing layer 6 is provided with an outer protective layer 7, the outer protective layer 7 carries out preliminary protection on the wire, the outer protective layer 7 is made of thermoplastic elastomer material, the outer wall of the outer protective layer 7 is coated with an anti-aging coating 8 which is uniformly distributed, the anti-aging coating 8 is used for delaying the aging speed of the wire, the service life of the wire;

the thickness ratio of the outer protective layer 7 to the reinforcing layer 6 is 3:2, the thickness of the reinforcing layer 6 is the same as that of the fire barrier layer 5, and the thickness of the fire barrier layer 5 is 2:1 with that of the insulating layer 3.

The utility model discloses the theory of operation:

when the electric wire receives external power of dragging, outer protective layer 7 carries out preliminary tensile protection to the electric wire, enhancement layer 6 carries out secondary tensile protection to the electric wire after that, utilize the difficult fracture of fishing net and the stronger characteristic of toughness in the enhancement layer 6, reduce the destruction stress that the electric wire received, the toughness of electric wire has been improved when not hindering electric wire plasticity, when the electric wire needs to use for a long time, ageing resistance coating 8, the ageing resistance of electric wire has been improved to back-fire relief layer 5 and insulating layer 3, fire prevention and insulating characteristic, thereby the life of electric wire has been improved, avoid appearing the electric wire ageing, the phenomenon of bad and electric leakage of pre-ignition loss takes place, the security of the use of electric wire has been improved simultaneously.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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 (5)

1. Tensile removal flexible line, including four conductors (1), its characterized in that, four conductor (1) transposition each other, four the outer wall of conductor (1) all is equipped with inner protective layer (2), four the outer wall of inner protective layer (2) is equipped with insulating layer (3), it has glass fiber filler (4) to fill between insulating layer (3) and four inner protective layer (2), the outer wall of insulating layer (3) is equipped with back-fire relief layer (5), the outer wall of back-fire relief layer (5) is equipped with enhancement layer (6), the outer wall of enhancement layer (6) is equipped with outer protective layer (7), the ageing resistance coating (8) that are equipped with evenly distributed are scribbled to the outer wall of outer protective layer (7).

2. Tensile mobile flexible electric wire according to claim 1, wherein said insulating layer (3) is of radiation cross-linked polyethylene and said fire barrier layer (5) is of fire retardant mud.

3. Tensile mobile cord according to claim 1, wherein said outer protective layer (7) is a thermoplastic elastomer material and said anti-aging coating (8) is an epoxy layer.

4. Tensile mobile cord according to claim 1, characterized in that the ratio of the thickness of the outer protective layer (7) and the reinforcing layer (6) is 3: 2.

5. A tensile movement flexible electric wire as claimed in claim 1, wherein said reinforcing layer (6) and fire barrier layer (5) are of the same thickness, the thickness of said fire barrier layer (5) and insulating layer (3) being 2: 1.

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