CN213400625U - Novel cable - Google Patents

Abstract

The utility model provides a novel cable places insulating core in the cable skin, protects insulating core through the cable skin, and is a plurality of insulating core quilt "T" section is separated, has improved the fixed effect of many cables, and can not produce mutual interference between the cable of different grade type, "-" end of "T" section with the outer internal surface contact of cable is connected, gives the outer holding power of cable, avoids the cable skin because of outside extrusion force direct extrusion insulating core to play the guard action to insulating core, the outside from interior to exterior in proper order the cladding of the conductor inner core in the insulating core has foaming layer and insulating layer, can further play the guard action to the conductor inner core.

Description

Novel cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to novel cable.

Background

The cable is similar to a rope in appearance and is generally formed by combining a plurality of groups of conducting wires, the conducting wires of 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 cables are erected in the air or installed underground or underwater and are used for telecommunication or electric power transmission; in order to ensure the normal and stable operation of the cable, the cable needs to have basic safety performance, such as wear resistance, flame retardance, fire resistance, etc., and usually a plurality of cables need to be buried together, and the cables usually interfere with each other, and the fixing effect is not firm enough.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above problems, an object of the present invention is to provide a novel cable, including the insulating core, including outer and a plurality of supports of cable, the insulating core includes the conductor inner core, the outside from interior to exterior of conductor inner core has the cladding in proper order to have foaming layer and insulating layer, the insulating core reaches the support all is located the outer inside of cable, the support is formed with circumference array mode integrated into one piece by a plurality of "T" section pieces, the number of insulating core, a plurality of are no less than to "T" section piece the insulating core quilt "T" section piece is separated, the one end of "T" section piece with the outer internal surface contact of cable is connected.

Further, the "-" end of the "T" shaped piece is connected in contact with the inner surface of the cable outer layer. Contacting the "-" end with the outer layer of the cable increases the contact area and reduces the pressure on the outer layer of the cable.

Furthermore, a shielding layer is arranged on the outer side of the insulating layer. Mutual interference and sound transmission among the wire core units can be better reduced, and the signal effect is better.

Further, the insulating layer is a fluoroplastic insulating layer. The fluoroplastic insulating layer has the advantages of flexibility, large temperature difference resistance and the like, and the service life of the cable is prolonged.

Further, the outer layer of the cable sequentially comprises an inner protection layer, a waterproof layer and an outer protection layer from inside to outside. Being equipped with double-deck protective layer, having improved the protective properties to the cable, lengthened the cable life-span, being equipped with the waterproof layer simultaneously between two protective layers, when can avoiding the outer protective layer damaged, avoid the direct infiltration cable core of steam of outside infiltration, improved waterproof performance, further improved the cable life-span.

Further, the inner side of the inner protection layer is also provided with a flame retardant layer, and the flame retardant layer sequentially comprises a magnesium hydroxide layer and a mica tape layer from inside to outside. The mica tape layer has better fire resistance, and the magnesium hydroxide fire retardant absorbs heat by means of chemical decomposition when being heated and releases water to play a role in fire resistance, so that the mica tape layer is non-toxic and low-smoke, and the magnesium hydroxide layer is arranged on the inner side of the mica tape layer to further enhance the fire resistance of the fire-retardant layer.

Furthermore, the outer side of the inner protective layer is provided with non-sticky glue, and the waterproof layer is made of water-swelling rubber. The waterproof layer that uses water absorption expansion rubber as the material can be with the steam absorption through the damage department entering of outer protective layer, and the waterproof layer volume expansion after absorbing water, the waterproof layer extrusion inner protective layer of inflation, the inner protective layer is compressed tightly, and the material internal clearance reduces, and the outside of inner protective layer is equipped with not being stained with the glue, therefore the difficult continuation inner protective layer infiltration of steam, and waterproof performance is good.

Furthermore, the inner protection layer is a polybutadiene rubber layer, so that the rubber layer is wear-resistant and flame-retardant, and has high strength and good elasticity.

Furthermore, the outer protection layer sequentially comprises an armor layer and a polybutadiene rubber layer from inside to outside, and the armor layer is wear-resistant, flame-retardant, high in strength and good in elasticity.

The utility model discloses the beneficial effect who produces is: the insulation core is placed on the outer layer of the cable, the insulation core is protected through the outer layer of the cable, the insulation core is divided by the T-shaped sheet, the fixing effect of a plurality of cables is improved, mutual interference cannot be generated among cables of different types, one end of the T-shaped sheet is connected with the inner surface of the outer layer of the cable in a contact mode, the outer layer of the cable is provided with supporting force, the insulation core is prevented from being directly extruded by the outer layer of the cable due to external extrusion force, the insulation core is protected, the outer side of the inner core of the conductor in the insulation core is sequentially coated with the foaming layer and the insulation layer from inside to outside, and the inner core of the conductor can be further protected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

wherein, 1, an insulated wire core; 11. a conductor inner core; 12. a foamed layer; 13. an insulating layer; 14. a shielding layer; 2. an outer layer of the cable; 3. a support; 31. a "T" shaped piece; 311. "-" terminal; 21. an inner protective layer; 211. A flame retardant layer; 2111. a magnesium hydroxide layer; 2112. a mica tape layer; 212. the glue is not stained with; 22. a waterproof layer; 23. an outer protective layer; 231. an armor layer; 232. a polybutadiene rubber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1 shows a pair of the utility model provides a novel cable, including insulating core 1, including outer 2 of cable and a plurality of support 3, insulating core 1 includes conductor inner core 11, and the outside from interior to exterior of conductor inner core 11 has cladding in proper order and has foaming layer 12 and insulating layer 13, and insulating core 1 and support 3 all are located the inside of outer 2 of cable, the support is formed with circumference array mode integrated into one piece by a plurality of "T" section 31, "T" section 31 is no less than insulating core 1's number, and a plurality of insulating core 1 are separated by "T" section 31, "T" section 31 "-" end 311 is connected with the internal surface contact of outer 2 of cable.

The outside of the insulating layer 13 is also provided with a shielding layer 14. Mutual interference and sound transmission among the wire core units can be better reduced, and the signal effect is better.

The insulating layer 13 is a fluoroplastic insulating layer 13. The fluoroplastic insulating layer 13 has the advantages of flexibility, large temperature difference resistance and the like, and the service life of the cable is prolonged.

The cable outer layer 2 comprises an inner protective layer 21, a waterproof layer 22 and an outer protective layer 23 from inside to outside in sequence. Being equipped with double-deck protective layer, having improved the protective properties to the cable, lengthened the cable life-span, being equipped with waterproof layer 22 simultaneously between two protective layers, when can avoiding outer protective layer 23 damaged, avoid the direct infiltration cable core of steam of outside infiltration, improved waterproof performance, further improved the cable life-span.

The inner side of the inner protection layer 21 is also provided with a flame retardant layer 211, and the flame retardant layer 211 sequentially comprises a magnesium hydroxide layer 2111 and a mica tape layer 2112 from inside to outside. The mica tape layer 2112 has better fire resistance, and because the magnesium hydroxide fire retardant absorbs heat by chemical decomposition when being heated and releases water to play a role in fire resistance, the mica tape layer 2112 is nontoxic and low-smoke, and the magnesium hydroxide layer 2111 is arranged on the inner side of the mica tape layer 2112, so that the fire resistance of the fire-retardant layer 211 is further enhanced.

The outer side of the inner protective layer 21 is provided with a non-sticking glue 212, and the waterproof layer 22 is made of water-absorbing expansion rubber. Waterproof layer 22 with water absorption expansion rubber as the material can be with the steam absorption through the damage department entering of outer protective layer 23, and waterproof layer 22 volume expansion after absorbing water, the waterproof layer 22 extrusion inner protective layer 21 of inflation, and inner protective layer 21 is compressed tightly, and the material internal clearance dwindles, and the outside of inner protective layer 21 is equipped with not being stained with water and glues 212, therefore the difficult continuation inner protective layer 21 infiltration of steam, and waterproof performance is good.

The inner protective layer 21 is a polybutadiene rubber layer 232, and has wear resistance, flame retardance, high strength and good elasticity.

The outer protective layer 23 sequentially comprises an armor layer 231 and a polybutadiene rubber layer 232 from inside to outside, and the armor layer 231 is wear-resistant, flame-retardant, high in strength and good in elasticity.

The working principle is as follows: the insulation core 1 is placed on the outer layer 2 of the cable, the insulation core 1 is protected through the outer layer 2 of the cable, the insulation core 1 is separated by the T-shaped sheets 31, the fixing effect of a plurality of cables is improved, the cables of different types cannot interfere with each other, the minus end 311 of the T-shaped sheets 31 is in contact connection with the inner surface of the outer layer 2 of the cable to provide supporting force for the outer layer 2 of the cable, the outer layer 2 of the cable is prevented from directly extruding the insulation core 1 due to external extrusion force, the insulation core 1 is protected, the outer side of the conductor inner core 11 in the insulation core 1 is sequentially coated with the foaming layer 12 and the insulation layer 13 from inside to outside, the conductor inner core 11 can be further protected, when the outer protection layer 23 is damaged, the waterproof layer 22 which takes water-swelling rubber as a material can absorb water vapor entering from the damaged part of the outer protection layer 23, the waterproof layer 22 expands in volume after absorbing water, the expanded waterproof layer 22 extrudes the inner protective layer 21, the inner protective layer 21 is compressed, the gap inside the material is reduced, and the outer side of the inner protective layer 21 is provided with the non-stick glue 212, so that water vapor is not easy to continue to permeate through the inner protective layer 21, and the waterproof performance is good.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "left", "right", "front", "rear", and the like as used herein are for illustrative purposes only.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (9)

1. The utility model provides a novel cable, includes the insulation core, its characterized in that, including outer and a plurality of supports of cable, the insulation core includes the conductor inner core, the outside from interior to exterior of conductor inner core has foaming layer and insulating layer in proper order the cladding, the insulation core reaches the support all is located the outer inside of cable, the support is formed with circumference array mode integrated into one piece by a plurality of "T" section, "T" section is no less than the number of insulation core, it is a plurality of insulation core quilt "T" section is separated, the one end of "T" section with the outer internal surface contact of cable is connected.

2. The novel cable of claim 1 wherein the "-" end of said "T" shaped piece is attached in contact with the inner surface of said cable jacket.

3. The novel cable of claim 1, wherein the outside of the insulating layer is further provided with a shielding layer.

4. The novel cable of claim 1 wherein said insulation layer is a fluoroplastic insulation layer.

5. The novel cable according to claim 1, wherein the outer layer of the cable comprises an inner protective layer, a waterproof layer and an outer protective layer in this order from inside to outside.

6. The novel cable according to claim 5, wherein a flame retardant layer is further disposed on the inner side of the inner protective layer, and the flame retardant layer comprises a magnesium hydroxide layer and a mica tape layer in sequence from inside to outside.

7. The novel cable according to claim 5, wherein the outer side of the inner protective layer is provided with a water-repellent glue, and the water-repellent layer is made of water-swellable rubber.

8. The novel cable of claim 5 wherein said inner protective layer is a polybutadiene rubber layer.

9. The novel cable of claim 5, wherein the outer protective layer comprises, in order from the inside to the outside, an armor layer and a polybutadiene rubber layer.

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