CN212303120U

CN212303120U - Cable with high flexibility

Info

Publication number: CN212303120U
Application number: CN202020671823.8U
Authority: CN
Inventors: 翟浩骅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-05
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a cable that pliability is high, including the cable body, the cable body forms through wearing layer, pliable and tough layer, parcel layer, cable core and the combination of fire-retardant filler, be provided with the pliable and tough layer rather than the looks adaptation on the inner wall of wearing layer, the inner circle of pliable and tough layer is provided with the parcel layer rather than the looks adaptation, the inside on parcel layer is provided with the cable core that the equidistance was arranged, the outside of cable core and the inside packing on parcel layer have fire-retardant filler. The utility model discloses a mutually supporting between wearing layer, pliability layer, parcel layer, cable core and the fire-retardant filler has realized the cable that a pliability is high, has not only increased cable flexibility performance, avoids breaking that the cable is reciprocal to buckle and is caused, has increased the insulating of cable moreover, wear-resisting fire-retardant performance, consequently greatly increased the adaptability of cable, and then improved the life of cable.

Description

Cable with high flexibility

Technical Field

The utility model relates to a power grid technical field specifically is a cable that pliability is high.

Background

The power grid is a high-efficiency and fast energy transmission channel and an optimized configuration platform, is a key link of sustainable development of energy and power, plays an important role in a modern energy supply system, is related to national energy safety, is usually used in national power grid construction, and is usually a cable similar to a rope and formed by twisting a plurality of or a plurality of groups of leads (at least two leads in each group), wherein the leads in each group are mutually insulated and are usually twisted around a center, and the whole outer surface is wrapped by a highly-insulated covering layer. The cable has the characteristics of internal electrification and external insulation, and the cable can be a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They all consist of single-strand or multi-strand wires and insulating layers and are used for connecting circuits, electric appliances and the like, but the common cables are poor in flexibility, and the cables need to be pulled and bent back and forth in the using process, so that the cables are easy to break, and the service life of the cables is further shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem the utility model provides a high-flexibility cable.

In order to achieve the above object, the utility model provides a following technical scheme: a cable with high flexibility comprises a cable body, wherein the cable body is formed by combining a wear-resistant layer, a flexible layer, a wrapping layer, cable cores and a flame-retardant filler, the flexible layer matched with the wear-resistant layer is arranged on the inner wall of the wear-resistant layer, the wrapping layer matched with the flexible layer is arranged on the inner ring of the flexible layer, the cable cores which are arranged at equal intervals are arranged inside the wrapping layer, and the flame-retardant filler is filled in the outer part of each cable core and the inner part of the wrapping layer;

the cable guide core, the insulating layer and the fire-resistant layer are wrapped by the cable core, the insulating layer is wrapped on the surface of the cable guide core, and the fire-resistant layer matched with the insulating layer is sleeved on the surface of the insulating layer.

Preferably, the wear-resistant layer is made of a polyvinyl chloride sheath.

Preferably, the flexible layer is made of a cotton-flax material.

Preferably, the wrapping layer is made of non-woven synthetic fibers.

Preferably, the flame-retardant filler is made of a magnesium oxide powder synthetic material.

Preferably, the cable guide core is formed by twisting a plurality of copper wires with small diameters.

Preferably, the insulating layer is made of a polyolefin synthetic material.

Preferably, the refractory layer is wound from mica tape.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a mutually supporting between wearing layer, pliability layer, parcel layer, cable core and the fire-retardant filler has realized the cable that a pliability is high, has not only increased cable flexibility performance, avoids breaking that the cable is reciprocal to buckle and is caused, has increased the insulating of cable moreover, wear-resisting fire-retardant performance, consequently greatly increased the adaptability of cable, and then improved the life of cable.

2. The utility model discloses because polyvinyl chloride has wear-resisting, fire-retardant, chemical resistance is high (resistant concentrated hydrochloric acid, concentrated sulfuric acid, concentrated nitric acid and sodium hydroxide), mechanical strength and electrical insulation are good advantages such as, consequently, can improve holistic mechanical properties of cable and corrosion resisting property greatly, because cotton-flax has intensity height, the crease resistance is good and heat resistance characteristics such as better, and then can increase the pliability performance of cable, because the non-woven fabrics have dampproofing, ventilative, pliability, light in weight, do not support combustion, easy decomposition, nontoxic nonirritant, the color is abundant, low price, characteristics such as circulated reuse, not only reduced the manufacturing cost of cable, and guaranteed cable flexibility, because magnesium oxide has high fire-resistant insulating properties, and when the conflagration breaks out, because thermal decomposition and burning, can produce a large amount of smog, thereby reach fire-retardant effect, the flexibility of the cable that the cable guide core that forms through the transposition of several copper wires that the diameter is tiny can be great increases the cable, because the cable core of equal cross-section, the cross-section of single copper wire has been reduced, and then the flexibility of cable core that can greatly increased, because the polyolefin has low price, the transparency is high, insulating nature, good and other good characteristics of corrosion resistance, consequently when having increased cable insulating properties, the cost is reduced, because the mica tape is a fire-resistant insulating material, and has good high temperature resistance and combustion resistance, consequently greatly increased the fire resistance of cable.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

FIG. 2 is a cross-sectional view of the cable body of the present invention;

figure 3 is the utility model discloses cable core cross-sectional profile.

In the figure: 1 cable body, 101 wear-resistant layer, 102 flexible layer, 103 wrapping layer, 104 cable core, 105 flame-retardant filler, 1041 cable guide core, 1042 insulating layer and 1043 flame-retardant 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. 1-3, a cable with high flexibility comprises a cable body 1, the cable body 1 is formed by combining a wear-resistant layer 101, a flexible layer 102, a wrapping layer 103, a cable core 104 and a flame-retardant filler 105, the wear-resistant layer 101 is made of a polyvinyl chloride sheath, the polyvinyl chloride has the advantages of wear resistance, flame retardance, high chemical resistance, high resistance to concentrated hydrochloric acid, concentrated sulfuric acid, concentrated nitric acid and sodium hydroxide, good mechanical strength and electrical insulation and the like, so that the overall mechanical performance and corrosion resistance of the cable can be greatly improved, the flexible layer 102 matched with the wear-resistant layer 101 is arranged on the inner wall of the wear-resistant layer 101, the flexible layer 102 is made of a cotton-flax material, the cotton-flax has the characteristics of high strength, good wrinkle resistance, good heat resistance and the like, so that the flexibility of the cable can be improved, the inner ring of the flexible layer 102 is provided with the wrapping layer 103 matched, wrapping layer 103 is formed by the preparation of non-woven fabrics synthetic fiber, because non-woven fabrics has dampproofing, it is ventilative, pliability, light in weight, do not support combustion, easily decompose, nontoxic nonirritant, rich in color, low price, characteristics such as circulated reuse, not only the manufacturing cost of cable has been reduced, and cable flexibility has been guaranteed, wrapping layer 103's inside is provided with the cable core 104 that the equidistance was arranged, the outside of cable core 104 and wrapping layer 103's inside are filled with flame retardant filler 105, flame retardant filler 105 is formed through the preparation of magnesium oxide powder synthetic material, because magnesium oxide has highly fire-resistant insulating properties, and when the conflagration breaing out, because pyrolysis and burning, can produce a large amount of smog, thereby reach fire-retardant effect.

Referring to fig. 1-3, the cable core 104 is wrapped by a cable guide core 1041, an insulating layer 1042 and a fire-resistant layer 1043, the cable guide core 1041 is formed by twisting a plurality of copper wires with small diameters, the flexibility of the cable can be greatly increased by twisting the cable guide core 1041 formed by twisting a plurality of copper wires with small diameters, because the cable core with the same cross section reduces the cross section of a single copper wire, the flexibility of the cable core can be greatly increased, the insulating layer 1042 is wrapped on the surface of the cable guide core 1041, the insulating layer 1042 is made of polyolefin synthetic material, because the polyolefin has excellent characteristics of low price, high transparency, good insulativity, good corrosion resistance and the like, the cost is reduced while the insulating performance of the cable is increased, the surface of the insulating layer 1042 is sleeved with the fire-resistant layer 1043 matched with the insulating layer, the fire-resistant layer 1043 is formed by winding mica tape, because the mica tape is a fire, the cable with high flexibility is realized by the mutual matching of the wear-resistant layer 101, the flexible layer 102, the wrapping layer 103, the cable core 104 and the flame-retardant filler 105, the flexibility of the cable is improved, the breakage caused by reciprocating bending of the cable is avoided, the insulation, wear resistance, flame retardance and other performances of the cable are improved, the adaptability of the cable is greatly improved, and the service life of the cable is prolonged.

In summary, the following steps: the cable with high flexibility solves the problems in the background art by arranging the wear-resistant layer 101, the flexible layer 102, the wrapping layer 103, the cable core 104 and the flame-retardant filler 105.

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 cable that flexibility is high, includes cable body (1), its characterized in that: the cable comprises a cable body (1) and is characterized in that the cable body (1) is formed by combining a wear-resistant layer (101), a flexible layer (102), a wrapping layer (103), a cable core (104) and a flame-retardant filler (105), the flexible layer (102) matched with the inner wall of the wear-resistant layer (101) is arranged on the inner wall of the wear-resistant layer, the wrapping layer (103) matched with the inner ring of the flexible layer (102) is arranged on the inner ring of the flexible layer (102), the cable cores (104) which are arranged at equal intervals are arranged inside the wrapping layer (103), and the flame-retardant filler (105) is filled in the outer part of the cable core (104;

the cable comprises a cable core (104) and is characterized in that the cable core (104) wraps a cable guide core (1041), an insulating layer (1042) and a fireproof layer (1043), the insulating layer (1042) wraps the surface of the cable guide core (1041), and the fireproof layer (1043) matched with the insulating layer (1042) is sleeved on the surface of the insulating layer (1042).

2. A highly flexible cable according to claim 1, wherein: the wear-resistant layer (101) is made of a polyvinyl chloride sheath.

3. A highly flexible cable according to claim 1, wherein: the flexible layer (102) is made of a cotton-flax material.

4. A highly flexible cable according to claim 1, wherein: the wrapping layer (103) is made of non-woven synthetic fibers.

5. A highly flexible cable according to claim 1, wherein: the flame-retardant filler (105) is made of a magnesium oxide powder synthetic material.

6. A highly flexible cable according to claim 1, wherein: the cable guide core (1041) is formed by twisting a plurality of copper wires with small diameters.

7. A highly flexible cable according to claim 1, wherein: the insulating layer (1042) is made of polyolefin synthetic material.

8. A highly flexible cable according to claim 1, wherein: the fire-resistant layer (1043) is formed by winding a mica tape.