CN210467366U

CN210467366U - Copper core polyvinyl chloride composite insulation flexible cable

Info

Publication number: CN210467366U
Application number: CN201921810454.XU
Authority: CN
Inventors: 马泽
Original assignee: Langfang Xinchaolong Cable Technology Co Ltd
Current assignee: Langfang Xinchaolong Cable Technology Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-05-05
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a copper core polyvinyl chloride composite insulation flexible cable, including the inner sheath, be provided with first insulating cover in the inner sheath, the parcel has first sinle silk in the first insulating cover, still be provided with the second insulating cover in the inner sheath, the parcel has the second sinle silk in the second insulating cover, support the linking through the support bar between first insulating cover and the second insulating cover, the inner sheath intussuseption is filled with first fire-retardant layer, the second insulating cover intussuseption is filled with the fire-retardant layer of second, the outer wall parcel of inner sheath has the mica layer, the outer wall parcel of mica layer has the armor, the parcel has the waterproof layer on the armor, the outer wall parcel of waterproof layer has the oversheath. This copper core polyvinyl chloride composite insulation flexible cable can improve the inside flame retardant efficiency of cable greatly through two fire-retardant layers, cooperates the mica layer again and can reach inside and outside dual fire prevention high temperature resistant effect, and simultaneously, the waterproof layer that cooperation polyethylene material was made can prevent that water from permeating inside the cable when the contact water.

Description

Copper core polyvinyl chloride composite insulation flexible cable

Technical Field

The utility model relates to an insulating flexible cable technical field specifically is a copper core polyvinyl chloride composite insulation flexible cable.

Background

The flexible cable is generally suitable for household appliances, electric tools and various mobile electric appliances with the AC rated voltage of 450/750V or below, and is also suitable for household appliances, electric tools and various mobile electric appliances with the AC rated voltage of 1KV or below.

Although the existing flexible cable is relatively perfect in an insulating part, the existing flexible cable is still lack in fire prevention and high temperature resistance, and meanwhile, when the existing flexible cable is in contact with water, the water seepage situation is easy to occur due to soaking of the existing flexible cable, so that the practicability and the safety of the cable are greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a copper core polyvinyl chloride composite insulation flexible cable to solve the relatively poor problem of current flexible cable in the aspect of the high temperature resistant and waterproof performance of preventing fires.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a copper core polyvinyl chloride composite insulation flexible cable, includes the inner sheath, be provided with first insulating cover in the inner sheath, the parcel has first sinle silk in the first insulating cover, still be provided with the second insulating cover in the inner sheath, the parcel has the second sinle silk in the second insulating cover, support the linking through the support bar between first insulating cover and the second insulating cover, the inner sheath intussuseption is filled with first fire-retardant layer, the second insulating intussuseption is filled with the fire-retardant layer of second, the outer wall parcel of inner sheath has the mica layer, the outer wall parcel of mica layer has the armor, the parcel has the waterproof layer on the armor, the outer wall parcel of waterproof layer has the oversheath.

Preferably, the inner sheath and the outer sheath are both made of rubber materials, and the thickness of the inner sheath and the thickness of the outer sheath are not more than five millimeters.

Preferably, the first wire core and the second wire core are both made of annealed copper cores and plated with silver materials on the surfaces.

Preferably, the first flame-retardant layer and the second flame-retardant layer are filled with flame retardant particles.

Preferably, the waterproof layer is made of polyethylene material and has a thickness of not more than three millimeters.

Compared with the prior art, the beneficial effects of the utility model are that: this copper core polyvinyl chloride composite insulation flexible cable can improve the inside flame retardant efficiency of cable greatly through two fire-retardant layers, cooperates the mica layer again and can reach inside and outside dual fire prevention high temperature resistant effect, and simultaneously, the waterproof layer that cooperation polyethylene material was made can prevent that water from permeating inside the cable when the contact water.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. an inner sheath; 11. a first insulating sleeve; 12. a first wire core; 13. a second insulating sleeve; 14. a second wire core; 15. a supporting strip; 16. a first flame retardant layer; 17. a second flame retardant layer; 18. an outer sheath; 19. a mica layer; 110. armoring; 111. water-proof layer

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, the present invention provides a technical solution: a copper core polyvinyl chloride composite insulation flexible cable comprises an inner sheath 1, a first insulation sleeve 11 is arranged in the inner sheath 1, a first wire core 12 is wrapped in the first insulation sleeve 11, the first wire core 12 is a main circuit and is subjected to insulation protection through the first insulation sleeve 11, a second insulation sleeve 13 is further arranged in the inner sheath 1, the first insulation sleeve 11 and the second insulation sleeve 13 are both made of polyvinyl chloride materials, a second wire core 14 is wrapped in the second insulation sleeve 13, the second wire core 14 is a secondary circuit and is subjected to insulation protection through the second insulation sleeve 13, the first insulation sleeve 11 and the second insulation sleeve 13 are supported through a supporting strip 15, the supporting strip 15 can play a supporting effect, the supporting strip 15 is made of flame-retardant silica gel materials, flexibility is achieved, when softness is achieved, fire spread can be prevented, a first flame-retardant layer 16 is filled in the inner sheath 1, a second flame-retardant layer 17 is filled in the second insulation sleeve 13, the outer wall parcel of inner sheath 1 has mica layer 19, can follow the outside and carry out fire protection to cable inside, and the outer wall parcel of mica layer 19 has armor 110, improves the intensity of dragging of cable, and the parcel has waterproof layer 111 on the armor 110, and the outer wall parcel of waterproof layer 111 has oversheath 18.

Referring to fig. 1, the inner sheath 1 and the outer sheath 18 are both made of rubber material, and the thickness of both is not more than five millimeters, so that an insulation protection effect can be provided for the cable from inside and outside.

Referring to fig. 1, the first wire core 12 and the second wire core 14 are made of annealed copper cores and silver materials plated on the surfaces of the annealed copper cores, so that the electric signal transmission effect of the inner cores can be improved.

Referring to fig. 1, the first flame retardant layer 16 and the second flame retardant layer 17 are filled with flame retardant particles, and can achieve a fire-proof and flame-retardant effect from the inside.

Referring to fig. 1, the waterproof layer 111 is made of polyethylene material, and has a thickness not more than three millimeters, and has good water-blocking and water-stopping effects.

The utility model discloses when concrete implementation: the inner sheath 1 and the outer sheath 18 are respectively used as an inner layer insulator and an outer layer insulator, so that an inner-outer dual insulation effect is achieved, the first wire core 12 is insulated through the first insulating sleeve 11, the second wire core 14 is insulated through the second insulating sleeve 13, the two insulating sleeves are made of polyvinyl chloride materials and are matched with butyronitrile to form composite insulation, the flame-retardant elastomer material has good flexibility, cold resistance and bending flexibility, and has excellent elongation, oil resistance and flame retardance, excellent ozone resistance, weather resistance and abrasion resistance and tear strength, the first flame-retardant layer 16 and the second flame-retardant layer 17 are filled with flame retardant particles, the effect of inhibiting a fire source can be achieved from the inside, the cable is prevented from spontaneous combustion from the inside, when a fire disaster occurs outside, the mica layer 19 can perform fire protection on the inside of the cable, and the wire cores are prevented from being subjected to fire loss, the armor 110 can improve the overall compression-resistant pulling strength of the cable, and the waterproof layer 111 can prevent the water seepage caused by the soaking of water outside.

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. The utility model provides a copper core polyvinyl chloride composite insulation flexible cable, includes inner sheath (1), its characterized in that: be provided with first insulating boot (11) in inner sheath (1), the parcel has first sinle silk (12) in first insulating boot (11), still be provided with second insulating boot (13) in inner sheath (1), the parcel has second sinle silk (14) in second insulating boot (13), support the linking through support bar (15) between first insulating boot (11) and second insulating boot (13), inner sheath (1) intussuseption is filled with first flame retardant layer (16), second insulating boot (13) intussuseption is filled with second flame retardant layer (17), the outer wall parcel of inner sheath (1) has mica layer (19), the outer wall parcel of mica layer (19) has armor (110), the parcel has waterproof layer (111) on armor (110), the outer wall parcel of waterproof layer (111) has oversheath (18).

2. The copper-core polyvinyl chloride composite insulating flexible cable according to claim 1, characterized in that: the inner sheath (1) and the outer sheath (18) are both made of rubber materials, and the thicknesses of the inner sheath and the outer sheath are not more than five millimeters.

3. The copper-core polyvinyl chloride composite insulating flexible cable according to claim 1, characterized in that: the first wire core (12) and the second wire core (14) are both made of annealed copper cores and silver materials plated on the surfaces of the annealed copper cores.

4. The copper-core polyvinyl chloride composite insulating flexible cable according to claim 1, characterized in that: the first flame-retardant layer (16) and the second flame-retardant layer (17) are filled with flame retardant particles.

5. The copper-core polyvinyl chloride composite insulating flexible cable according to claim 1, characterized in that: the waterproof layer (111) is made of polyethylene materials, and the thickness of the waterproof layer is not more than three millimeters.