CN210985141U - Power line with long service life - Google Patents

Abstract

The utility model provides a long service life's power cord. Long service life's power cord includes public head, female head, the power cord includes fire-retardant layer, the sleeve pipe, the sinle silk, the buffering cotton, first back up coat, the interlayer, second back up coat and parcel layer, the sleeve pipe wraps up on the sinle silk, fire-retardant layer wraps up on a plurality of sleeve pipes, and the buffering cotton is filled in the gap between fire-retardant layer and a plurality of sleeve pipes, first back up coat, the interlayer, second back up coat and parcel layer are in proper order from inside to outside the parcel setting, and first back up coat is located outside the fire-retardant layer, fire-retardant layer is fire-retardant pipe, fire-retardant pipe adopts polyolefin fire-retardant material to make, first back up coat is formed by nylon rope weaving, the interlayer is made by polyethylene, the second back up coat is formed by wire rope weaving, the parcel layer is the PET membrane of making by coating PVDC. The utility model provides a long service life's power cord has the safety of having protected the power cord sinle silk, has improved the life of power cord, advantage that the security performance is high.

Description

Power line with long service life

Technical Field

The utility model relates to the technical field of, especially, relate to a long service life's power cord.

Background

The power line is a wire that transmits current. The usual way of current transfer is point-to-point transfer. The power line can be divided into an AC power line and a DC power line according to the purpose, generally, the AC power line is a wire rod passing through AC with higher voltage, and the wire rod needs to be unified standard due to higher voltage so as to obtain a safety certification party and can be formally produced. The two electrical equipment are connected and electrified through the power cord and the male head and the female head which are arranged on the power cord.

When the power line is powered on, the possibility of electric shock is caused when the power line is damaged, and the safety performance is low.

Therefore, it is necessary to provide a new power cord with long service life to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an embodiment of the utility model provides a protect the safety of power cord sinle silk, improved the life of power cord, power cord that the security performance is high.

The utility model provides a long service life's power cord includes: the power cord is connected with the male head and the female head through the power cord; the power cord, the power cord includes fire-retardant layer, sleeve pipe, sinle silk, buffering cotton, first back up coat, interlayer, second back up coat and parcel layer, the sleeve pipe wraps up on the sinle silk, fire-retardant layer parcel is on a plurality of sleeve pipes, and the buffering cotton is filled in the gap between fire-retardant layer and a plurality of sleeve pipes, first back up coat, interlayer, second back up coat and parcel layer are in proper order from inside to outside the parcel setting, and first back up coat is located outside the fire-retardant layer.

Preferably, the flame-retardant layer is a flame-retardant pipe, and the flame-retardant pipe is made of polyolefin flame-retardant materials.

Preferably, the first reinforcing layer is formed by weaving nylon ropes.

Preferably, the barrier layer is made of polyethylene plastic.

Preferably, the second reinforcing layer is woven by steel wire ropes.

Preferably, the wrapping layer is a PET film made of PVDC coated.

Compared with the prior art, the utility model provides a long service life's power cord has following beneficial effect:

the sinle silk is protected through the sleeve pipe, it is isolated to a plurality of sinle silks, it is isolated to outside through fire-retardant layer, prevent that outside fire from arousing that the inside sinle silk of power cord burns out, make the power cord have the fire prevention function, it is isolated to first back up coat and second back up coat through the interlayer, the ability of pulling is prevented that the power cord has been improved through first back up coat and second back up coat simultaneously, still prevent outside sharp weapon cutting and make the sinle silk cause the damage through first back up coat and second back up coat, the parcel level is outmost in the power cord, parts wherein, the sinle silk etc. protect, the life of power cord is prolonged, high safety performance.

Drawings

Fig. 1 is a schematic structural diagram of a power cord with a long service life according to a preferred embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of the power line shown in fig. 1.

Reference numbers in the figures: 1. male connector, 2 female connector, 3, power cord, 31, fire-retardant layer, 32, sleeve pipe, 33, sinle silk, 34, buffering cotton, 35, first reinforcing layer, 36, interlayer, 37, second reinforcing layer, 38, parcel layer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a power line with a long service life according to a preferred embodiment of the present invention; fig. 2 is a schematic cross-sectional view of the power line shown in fig. 1. The power cord with long service life comprises: male head 1, female head 2, power cord 3.

In a specific implementation process, as shown in fig. 1 and fig. 2, the male head 1 and the female head 2 are connected through a power line 3, and are connected with other electrical equipment through the male head 1 and the female head 2;

the power line 3 comprises a flame-retardant layer 31, a sleeve 32, a wire core 33, buffer cotton 34, a first reinforcing layer 35, an interlayer 36, a second reinforcing layer 37 and a wrapping layer 38, the sleeve 32 wraps the wire core 33, the flame-retardant layer 31 wraps the plurality of sleeves 32, the buffer cotton 34 is filled in gaps between the flame-retardant layer 31 and the plurality of sleeves 32, the first reinforcing layer 35, the interlayer 36, the second reinforcing layer 37 and the wrapping layer 38 are sequentially wrapped from inside to outside, the first reinforcing layer 35 is positioned outside the flame-retardant layer 31, the wire core 33 is protected by the sleeve 32, the plurality of wire cores 33 are isolated, the flame-retardant layer 31 isolates the outside to prevent the wire core 33 inside the power line 3 from being burnt due to external fire, the power line 3 has a fireproof function, the interlayer 36 isolates the first reinforcing layer 35 from the second reinforcing layer 37, and simultaneously improves the pulling-resistant capability of the power line 3 through the first reinforcing layer 35 and the second reinforcing layer 37, still prevent through first back up coat 35 and second back up coat 37 that outside sharp weapon cuts and make sinle silk 33 cause the damage, the parcel layer 38 is located power cord 3 outwardly, protects parts, sinle silk 33 etc. wherein, has improved power cord 3's life, and the security performance is high.

Wherein, fire-retardant layer 31 is fire-retardant pipe, and fire-retardant pipe adopts polyolefin fire-retardant material to make, and fire-retardant layer 31 is by the fire-retardant pipe that polyolefin fire-retardant material made, prevents that outside naked light from making power cord 3 burn out and making sinle silk 33 damage, makes power cord 3 have fire-retardant function, has protected sinle silk 33's safety, has improved power cord 3's life.

Wherein, first back up coat 35 is formed by nylon rope weaving, and the first back up coat 35 that nylon rope weaving was made has improved power cord 3's tensile ability of dragging, prevents that power cord external force from violently dragging and damaging, has protected sinle silk 33's safety, has improved power cord 3's life.

The interlayer 36 is made of polyethylene plastic, the first reinforcing layer 35 and the second reinforcing layer 37 are isolated by the interlayer 36, the corrosion resistance and the electrical insulation (particularly high-frequency insulation) are excellent, chlorination and irradiation modification can be realized, the glass fiber can be used for reinforcement, the melting point, the rigidity, the hardness and the strength of the low-pressure polyethylene are high, the water absorption is small, and the electrical property and the radiation resistance are good.

Wherein, second reinforced layer 37 is woven by wire rope, and second reinforced layer 37 is woven to wire rope, makes power cord 3 have fine tensile and prevents the cutting ability, and when power cord 3 received the cutting of outside sharp weapon, wire rope can make power cord 3 be difficult to the cut off, has protected sinle silk 33's safety to the life of power cord 3 has been improved.

Wherein, the wrapping layer 38 is a PET film made of coating PVDC, so that it has waterproof property, preventing external water vapor from entering the power line 3 to corrode and damage the inside thereof, and prolonging the service life of the power line 3.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims (6)

1. A long life power cord comprising:

the male head (1) and the female head (2) are connected through the power line (3);

power cord (3), power cord (3) are including fire-retardant layer (31), sleeve pipe (32), sinle silk (33), buffering cotton (34), first back up coat (35), interlayer (36), second back up coat (37) and parcel layer (38), sleeve pipe (32) parcel is on sinle silk (33), fire-retardant layer (31) parcel is on a plurality of sleeve pipes (32), and buffering cotton (34) are filled in the gap between fire-retardant layer (31) and a plurality of sleeve pipes (32), first back up coat (35), interlayer (36), second back up coat (37) and parcel layer (38) are in proper order from inside to outside the parcel setting, and first back up coat (35) are located outside fire-retardant layer (31).

2. The power cord with long service life as claimed in claim 1, wherein the flame retardant layer (31) is a flame retardant tube made of polyolefin flame retardant material.

3. Power cord with a long service life, according to claim 1, characterized in that said first reinforcement layer (35) is made of nylon cord.

4. The long-life power cord as claimed in claim 1, characterized in that said spacer (36) is made of polyethylene plastic.

5. Power cord with a long service life, according to claim 1, characterized in that said second reinforcement layer (37) is braided from steel cords.

6. Power supply line with a long service life, according to claim 1, characterized in that the wrapping (38) is a PET film made of PVDC coated.

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