CN219800507U

CN219800507U - Tensile wire

Info

Publication number: CN219800507U
Application number: CN202320509638.2U
Authority: CN
Inventors: 李鸿斌; 李鸿强; 林慧珠
Original assignee: Kunming Shuxing Wire And Cable Co ltd
Current assignee: Kunming Shuxing Wire And Cable Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-10-03
Anticipated expiration: 2033-03-16

Abstract

The utility model provides a tensile wire, and relates to the field of wires. Including the outer protective layer, the inside of outer protective layer is provided with the tensile layer, the inside of tensile layer is provided with the waterproof layer, the inner wall fixedly connected with flame retardant coating of waterproof layer, the inner wall fixedly connected with inner protective layer of flame retardant coating, the inner wall fixedly connected with outer insulating layer of inner protective layer, the inside of outer insulating layer is provided with a plurality of sinle silk, a plurality of the equal fixedly connected with insulating skin in surface of sinle silk. According to the utility model, the tensile property of the whole electric wire is improved by arranging the plurality of steel strips, and the supporting steel rings are jointly fixed among the plurality of steel strips, so that the supporting force on the whole electric wire is improved, and the whole electric wire is prevented from being damaged due to the extrusion of the whole electric wire.

Description

Tensile wire

Technical Field

The utility model relates to the field of wires, in particular to a tensile wire.

Background

The wire is a wire for transmitting electric energy, and is divided into a bare wire, an electromagnetic wire and an insulated wire, wherein the bare wire is not provided with an insulating layer, comprises copper, aluminum flat wires, overhead stranded wires and various sectional materials (such as molded lines, buses, copper bars, aluminum bars and the like), is mainly used for outdoor overhead buses, indoor buses and switch boxes, the electromagnetic wire is an insulated wire for generating a magnetic field or inducing current in the magnetic field after being electrified, and is mainly used for a motor, a transformer winding and other related electromagnetic equipment, the conductor is mainly copper wires, the thin insulating layer and good electrical and mechanical properties are required, and the properties such as heat resistance, moisture resistance, solvent resistance and the like are realized by selecting different insulating materials.

The electric wire is a cable similar to a rope and formed by twisting several or several groups of wires, each group of wires are mutually insulated and often twisted around a center, and the whole outer surface is covered with a highly insulating coating layer.

The existing electric wire mostly comprises four parts of a wire core, an insulating layer, a shielding layer and a protective layer, so that when the electric wire is used, the tensile strength is weaker when the electric wire is stretched, and when the electric wire is used, the compression resistance of the electric wire is lower, the electric wire is easy to damage after being compressed for a long time, and the use of the electric wire is affected.

Disclosure of Invention

The utility model aims to provide a tensile wire, which solves the problems that the prior wire proposed in the prior art is mainly composed of four parts of a wire core, an insulating layer, a shielding layer and a protective layer, so that when the wire is used, the tensile strength is weaker when the wire is stretched, the compressive capacity of the wire is lower when the wire is used, the wire is easy to damage after being pressed for a long time, and the use of the wire is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pull resistance electric wire, includes the outer protective layer, the inside of outer protective layer is provided with the tensile layer, the inside of tensile layer is provided with the waterproof layer, the inner wall fixedly connected with flame retardant coating of waterproof layer, the inner wall fixedly connected with inner protective layer of flame retardant coating, the inner wall fixedly connected with outer insulating layer of inner protective layer, the inside of outer insulating layer is provided with a plurality of sinle silk, a plurality of the equal fixedly connected with insulating skin in surface of sinle silk.

Preferably, the tensile layer comprises a plurality of steel strips, a plurality of round openings are formed in the surfaces of the opposite sides of the steel strips, and supporting steel rings are fixedly connected to the inner walls of the round openings in a common mode.

Preferably, the inner wall of the insulating sheath is fixedly connected with an insulating parting bead, the surfaces of the opposite sides of the insulating parting beads are fixedly connected with an inner insulating layer, and the inner wall of the inner insulating layer is fixedly connected with a steel bar core.

Preferably, the inner part of the outer insulating layer is provided with a filler.

Preferably, the outer protective layer and the inner protective layer are made of rubber, and the waterproof layer is made of water-blocking tape.

Preferably, the fireproof layer is made of phenolic resin composite material, and the outer insulating layer, the insulating skin, the insulating parting bead and the inner insulating layer are all made of polyvinyl chloride.

The utility model has the technical effects and advantages that:

1. the utility model increases the whole tensile property of the electric wire by arranging the plurality of steel wires, and the supporting steel rings are jointly fixed among the plurality of steel wires, thereby increasing the whole supporting force of the electric wire and avoiding the whole extrusion of the electric wire to cause the whole damage of the electric wire.

2. Through setting up tensile layer, steel strand silk, support steel loop, under the effect of support steel loop, increase the support of device to avoid the device to be crushed, and under the effect of steel strand silk, increase the tensile properties of device.

3. Through setting up insulating parting bead, inner insulating layer, billet core, insulating skin, under the effect of billet core, increase the central pull resistance of device, under the effect of insulating parting bead simultaneously, conveniently separate all sinle silk to avoid signal interference.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model.

FIG. 2 is a schematic view of the right side structure of the steel strip of the present utility model.

Fig. 3 is a schematic perspective view of the steel wire rod of the present utility model.

Fig. 4 is a schematic perspective view of an external insulation layer according to the present utility model.

In the figure: 1. an outer protective layer; 2. a tensile layer; 3. a waterproof layer; 4. a fire-blocking layer; 5. an inner protective layer; 6. an outer insulating layer; 7. a wire core; 8. an insulating skin; 9. a steel strand; 10. supporting a steel ring; 11. insulating parting strips; 12. an inner insulating layer; 13. a filler; 14. and a steel bar core.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a tensile wire as shown in figures 1-4, which comprises an outer protective layer 1, wherein a tensile layer 2 is arranged in the outer protective layer 1, a waterproof layer 3 is arranged in the tensile layer 2, the inner wall of the waterproof layer 3 is fixedly connected with a fireproof layer 4, the inner wall of the fireproof layer 4 is fixedly connected with an inner protective layer 5, the inner wall of the inner protective layer 5 is fixedly connected with an outer insulating layer 6, a plurality of wire cores 7 are arranged in the outer insulating layer 6, the surfaces of the wire cores 7 are fixedly connected with insulating covers 8, and the tensile property of the whole wire is improved by arranging a plurality of steel strips 9, and supporting steel rings 10 are jointly fixed among the steel strips 9, so that the supporting strength of the whole wire is improved, and the whole wire is prevented from being damaged due to whole extrusion.

As shown in fig. 1-3, the tensile layer 2 comprises a plurality of steel wires 9, a plurality of round openings are formed in the surfaces of the opposite sides of the steel wires 9, supporting steel rings 10 are fixedly connected to the inner walls of the corresponding round openings, the supporting of the device is increased under the action of the supporting steel rings 10, the device is prevented from being crushed, and the tensile performance of the device is increased under the action of the steel wires 9.

As shown in fig. 1 and 4, the inner wall of the insulating sheath 8 is fixedly connected with insulating parting strips 11, the surfaces of opposite sides of the insulating parting strips 11 are fixedly connected with an inner insulating layer 12, the inner wall of the inner insulating layer 12 is fixedly connected with a steel bar core 14, the central tensile strength of the device is increased under the action of the steel bar core 14, and meanwhile, under the action of the insulating parting strips 11, all the wire cores 7 are conveniently separated, so that signal interference is avoided, a filler 13 is arranged in the outer insulating layer 6, gaps in the insulating parting strips 11 are filled under the action of the filler 13, and the insulating performance is increased.

As shown in fig. 1 and fig. 4, the outer protective layer 1 and the inner protective layer 5 are made of rubber, the waterproof layer 3 is made of water-blocking tape, the rubber has elasticity, wear resistance, cold resistance and difficult air leakage, the water-blocking tape is made of polyester non-woven fabric, adhesive, high-speed expansion high polymer water-absorbing resin and other materials, the fireproof layer 4 is made of phenolic resin composite material, the outer insulating layer 6, the insulating skin 8, the insulating parting bead 11 and the inner insulating layer 12 are made of polyvinyl chloride, the phenolic resin composite material is made of phenolic resin as a base material, and the water-blocking tape is usually made of reinforced fiber: glass fiber, carbon fiber, silicon fiber and quartz fiber form a composite material, which has high temperature resistance, good mechanical strength and excellent manufacturing elasticity, and polyvinyl chloride is a dielectric medium with larger polarity and has better electrical insulation property.

The working principle of the utility model is as follows: when the device is used, the plurality of steel strips 9 and the steel strip cores 14 in the device increase the tensile strength of the device to avoid the breakage of the device, and simultaneously support the device under the action of the plurality of supporting steel rings 10 to avoid the crushing of the device;

simultaneously under the effect of waterproof layer 3 for the device has waterproof effect, makes the device have the effect of fire prevention under the effect of flame retardant coating 4, connects between the pencil through a plurality of sinle silk 7 to under the effect of insulating parting bead 11, separate all sinle silk 7, under the effect of packing 13, outer insulating layer 6 and inner insulating layer 12, increase insulating effect simultaneously, protect the device under the effect of outer protective layer 1 and inner protective layer 5.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A tensile wire comprising an outer protective layer (1), characterized in that: the inside of outer protective layer (1) is provided with tensile layer (2), the inside of tensile layer (2) is provided with waterproof layer (3), the inner wall fixedly connected with flame retardant coating (4) of waterproof layer (3), the inner wall fixedly connected with inner protective layer (5) of flame retardant coating (4), the inner wall fixedly connected with outer insulating layer (6) of inner protective layer (5), the inside of outer insulating layer (6) is provided with a plurality of sinle silk (7), a plurality of the equal fixedly connected with insulating skin (8) of surface of sinle silk (7), tensile layer (2) are including a plurality of steel strand silk (9), a plurality of circles have all been seted up on the relative one side surface of steel strand silk (9), a plurality of corresponding the inner wall of circle mouthful is fixedly connected with support steel ring (10) jointly.

2. The tensile wire of claim 1, wherein: the inner wall fixedly connected with insulating parting bead (11) of insulating skin (8), a plurality of insulating parting beads (11) are on the opposite side surface fixedly connected with inner insulating layer (12) jointly, the inner wall fixedly connected with billet core (14) of inner insulating layer (12).

3. The tensile wire of claim 1, wherein: and a filling material (13) is arranged in the outer insulating layer (6).

4. The tensile wire of claim 1, wherein: the outer protective layer (1) and the inner protective layer (5) are made of rubber, and the waterproof layer (3) is made of water-blocking tape.

5. A tensile wire according to claim 3, wherein: the fireproof layer (4) is made of phenolic resin composite materials, and the outer insulating layer (6), the insulating skin (8), the insulating parting bead (11) and the inner insulating layer (12) are made of polyvinyl chloride.