CN212847740U

CN212847740U - Fluoroplastic insulation flexible cable

Info

Publication number: CN212847740U
Application number: CN202022139517.2U
Authority: CN
Inventors: 姚秋平; 何健
Original assignee: Suzhou Jianjincheng Electrical Accessories Co ltd
Current assignee: Suzhou Jianjincheng Electrical Accessories Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-03-30
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to the field of flexible cables, in particular to a fluoroplastic insulated flexible cable, which comprises an insulating cavity capable of charging and discharging insulating media, wherein the insulating cavity is arranged between an external nylon layer and a wire core, the insulating cavity is internally provided with a rubber blocking ring capable of elastically deforming, a plurality of groups of the rubber blocking ring are distributed at equal intervals, the surface of the rubber blocking ring is provided with an air hole communicated with the adjacent insulating cavity, the surfaces of the two sides of the rubber blocking ring are respectively provided with a horn hole communicated with the two ends of the air hole, the insulating cavity is filled with the insulating media, the insulating media can use vacuum and the like, and simultaneously has the effect of insulating temperature, so that the inner and outer temperature insulation properties are good, the insulating property is good, the whole cable has larger avoidance property of elastic compression due to the insulating cavity, the damage and the electric leakage phenomenon caused by compression of the cable are reduced, the middle, can be when the cable is compressed, the whole certain degree of compressed deformation of copper wire and elastic column, and reduce the damage to the cable.

Description

Fluoroplastic insulation flexible cable

Technical Field

The utility model relates to a flexible cable field specifically is a fluoroplastics insulation flexible cable.

Background

The flexible cable is the first choice cable of power transmission material, signal transmission carrier in the drag chain motion system, the another name: tow chain cables, tow cables, travelling cables, robot cables, etc.

The flexible cable is easy to cause serious damage due to extrusion in the using process, good insulation effect cannot be realized, the internal and external heat insulation performance of the flexible cable is poor, and the service life of the flexible cable can be reduced when the flexible cable is used in high-temperature weather.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fluoroplastics insulated flexible cable 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: a fluoroplastic insulated flexible electrical cable comprising:

can fill insulating chamber of filling and discharging insulating medium, insulating chamber sets up between outside nylon layer and sinle silk, but be equipped with elastic deformation's rubber separation ring in the insulating chamber, the equidistance of rubber separation ring distributes and is provided with the multiunit, and the surface of rubber separation ring is equipped with the gas pocket that feeds through its adjacent insulating chamber, the both sides surface of rubber separation ring all is provided with the horn hole of intercommunication respectively at the gas pocket both ends.

Optionally, an outer insulating layer is fixedly arranged at the inner ring of the external nylon layer, an inner insulating layer is wrapped at the outer ring of the wire core, and an inner flame-retardant layer is fixedly arranged at the outer ring of the inner insulating layer.

Optionally, an insulating protective sleeve is arranged at the inner ring of the inner insulating layer, and the wire core is limited between the inner insulating layer and the insulating protective sleeve.

Optionally, an elastic column is arranged at the inner ring of the insulating protective sleeve, and a spirally wound copper wire is wrapped outside the elastic column.

Optionally, the sinle silk is provided with the multiunit, and the multiunit sinle silk is the circular array form and surrounds the outer lane distribution of insulating protective sheath.

Optionally, the rubber blocking ring is of a circular ring structure, the inner ring of the rubber blocking ring and the inner flame-retardant layer are fixed in a thermoplastic mode, and the outer ring of the rubber blocking ring and the outer insulating layer are fixed in a thermoplastic mode.

Compared with the prior art, the utility model provides a fluoroplastic insulation flexible cable possesses following beneficial effect:

1. the utility model discloses a fluoroplastic insulated flexible cable, including the insulating chamber that can fill and discharge insulating medium, insulating chamber sets up between outside nylon layer and sinle silk, but be equipped with elastic deformation's rubber separation ring in the insulating chamber, rubber separation ring equidistance distributes and is provided with the multiunit, the surface of rubber separation ring is equipped with the gas pocket that communicates its adjacent insulating chamber, the both sides surface of rubber separation ring all is provided with the horn hole that communicates respectively at the gas pocket both ends, be filled with insulating medium in the insulating chamber, insulating medium can use vacuum etc. also have the effect of insulating temperature simultaneously, make inside and outside insulating temperature nature good, good insulating nature, and insulating chamber makes whole cable have great dodging nature by elastic compression, reduce damage and the electric leakage phenomenon that the cable caused because of oppression;

2. the utility model discloses an insulating flexible cable of fluoroplastics, the inner circle department of insulating protective sheath is provided with the elasticity post, and the outside cladding of elasticity post has spiral winding's copper wire, but the copper wire middle part has elastic deformation's elasticity post to support, can be when the cable is compressed, the whole certain degree of copper wire and elasticity post by compression deformation, and reduce the damage to the cable.

Drawings

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

fig. 2 is a sectional view of the present invention;

fig. 3 is an enlarged schematic view of a structure in fig. 2.

In the figure: 1. an outer nylon layer; 2. an insulating cavity; 3. a rubber barrier ring; 4. air holes; 5. a horn hole; 6. an outer insulating layer; 7. an inner flame retardant layer; 8. an inner insulating layer; 9. a wire core; 10. an insulating protective sleeve; 11. a copper wire; 12. an elastic column.

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.

Example (b): referring to fig. 1-3, the present application provides a fluoroplastic insulated flexible cable, including:

can fill insulating chamber 2 of filling insulating medium, insulating chamber 2 sets up between outside nylon layer 1 and sinle silk 9, but is equipped with elastic deformation's rubber separation ring 3 in

insulating chamber

2, and 3 equidistance distributions of rubber separation ring are provided with the multiunit, and the surface of rubber separation ring 3 is equipped with the gas pocket 4 of its adjacent insulating chamber 2 of intercommunication, and the both sides surface of rubber separation ring 3 all is provided with the horn hole 5 that communicates respectively at gas pocket 4 both ends.

In this embodiment, one end of the insulating cavity 2 may be filled with an insulating medium, such as vacuum, and when the vacuum is filled, the vacuum presses the rubber blocking ring 3 at the position of the horn hole 5, so that the air hole 4 is opened, and the air in the insulating cavity is discharged from the air hole 4 at the other end, so as to fill the vacuum;

after the vacuum filling is finished, the rubber blocking ring 3 in the insulating cavity 2 is restored due to elastic deformation, the air holes 4 are blocked under the pressure effect of the vacuum not being filled, the rubber blocking ring 3 separates the insulating cavity 2 into a plurality of groups of vacuum and heat insulation cavities which are adjacently arranged, and good insulation and heat insulation protection can be realized.

It should be noted that, the fixed outer insulating layer 6 that is equipped with in inner circle department of outside nylon layer 1, the cladding of outer lane department of sinle silk 9 has inner insulating layer 8, fixed interior fire-retardant layer 7 that is provided with in outer lane department of inner insulating layer 8, interior fire-retardant layer 7 can use some flame retardant material, mainly play the fire prevention effect, outer insulating layer 6 and inner insulating layer 8 use insulating material, have insulation protection's effect to the inside sinle silk 9 of cable, outside nylon layer 1 uses the nylon materials to make, and is wear-resisting, increase cable life's effect.

Further, inner insulation layer 8's inner circle department is provided with insulating protective sheath 10, and sinle silk 9 restriction is between inner insulation layer 8 and insulating protective sheath 10, and insulating protective sheath 10 has the effect of insulating copper wire 11 and sinle silk 9 of separating, avoids both mutual interference.

Be provided with elasticity post 12 in insulating protective sheath 10's inner circle department, the outside cladding of elasticity post 12 has spiral winding copper wire 11, and when the cable was compressed, the whole certain degree of compressed deformation by copper wire 11 and elasticity post 12, and the reduction is to the damage of cable.

The sinle silk 9 is provided with the multiunit, and multiunit sinle silk 9 is the outer lane distribution around insulating protective sheath 10 of circular array form.

Specifically, rubber separation ring 3 is the ring form structure, and rubber separation ring 3's inner circle department and interior fire-retardant layer 7 between heat mould fixed, fixed is moulded to heat between rubber separation ring 3's outer lane department and the outer insulation layer 6, and is fixed convenient, and the practicality is strong.

The working principle is as follows: the insulation cavity 2 comprises an insulation cavity 2 capable of charging and discharging insulation media, the insulation cavity 2 is arranged between an external nylon layer 1 and a wire core 9, the insulation cavity 2 is internally provided with a rubber separation ring 3 capable of elastically deforming, a plurality of groups of the rubber separation ring 3 are distributed at equal intervals, the surface of the rubber separation ring 3 is provided with an air hole 4 communicated with the adjacent insulation cavity 2, the surfaces of two sides of the rubber separation ring 3 are respectively provided with horn holes 5 communicated with two ends of the air hole 4, the insulation cavity 2 is internally filled with the insulation media, the insulation media can use vacuum and the like, the insulation effect is also realized at the same time, so that the internal and external temperature insulation properties are good, the insulation cavity 2 enables the whole cable to have larger avoidance performance of elastic compression, and the damage and the leakage phenomenon of the cable caused by compression are reduced; inner circle department of insulating protective sheath 10 is provided with elasticity post 12, and the outside cladding of elasticity post 12 has spiral winding copper wire 11, but 11 middle parts of copper wire have elastic deformation's elasticity post 12 to support, can be when the cable is compressed, the whole certain degree of copper wire 11 and elasticity post 12 by compression deformation, and reduce the damage to the cable.

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. A fluoroplastic insulated flexible electrical cable, comprising:

can fill insulating chamber (2) of filling and discharging insulating medium, insulating chamber (2) set up between outside nylon layer (1) and sinle silk (9), but be equipped with elastic deformation's rubber separation ring (3) in insulating chamber (2), rubber separation ring (3) equidistance distribution is provided with the multiunit, and the surface of rubber separation ring (3) is equipped with air hole (4) of its adjacent insulating chamber (2) of intercommunication, the both sides surface of rubber separation ring (3) all is provided with communicates horn hole (5) at air hole (4) both ends respectively.

2. A fluoroplastic insulated flexible cable according to claim 1 wherein: the inner ring of outside nylon layer (1) department is fixed and is equipped with outer insulating layer (6), the outer lane department cladding of sinle silk (9) has interior insulating layer (8), the outer lane department of interior insulating layer (8) is fixed and is provided with interior fire-retardant layer (7).

3. A fluoroplastic insulated flexible cable according to claim 2 wherein: an insulating protective sleeve (10) is arranged at the inner ring of the inner insulating layer (8), and the wire core (9) is limited between the inner insulating layer (8) and the insulating protective sleeve (10).

4. A fluoroplastic insulated flexible cable according to claim 3 wherein: an elastic column (12) is arranged at the inner ring of the insulating protective sleeve (10), and a spirally wound copper wire (11) is wrapped outside the elastic column (12).

5. A fluoroplastic insulated flexible cable according to claim 3 wherein: the cable cores (9) are provided with a plurality of groups, and the plurality of groups of cable cores (9) are distributed around the outer ring of the insulating protective sleeve (10) in a circular array shape.

6. A fluoroplastic insulated flexible cable according to claim 1 wherein: the rubber blocking ring (3) is of a circular ring-shaped structure, the inner ring of the rubber blocking ring (3) and the inner flame-retardant layer (7) are fixed in a thermoplastic mode, and the outer ring of the rubber blocking ring (3) and the outer insulating layer (6) are fixed in a thermoplastic mode.