CN214312697U

CN214312697U - Halogen-free control flexible cable

Info

Publication number: CN214312697U
Application number: CN202120791268.7U
Authority: CN
Inventors: 于校伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-09-28
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to the technical field of cables, and discloses a halogen-free control flexible cable, which solves the problem that the service life of a flexible cable body is shortened because the conductive wire cores are easy to rub each other when the medium flexible cable is twisted for a long time; through the design of antitorque revolving rack, cassette and spacing ball, can realize spacing and independent installation to conductive core, avoid the flexible cable body to appear the mutual friction and the extrusion of conductive core when the distortion, and then can realize the protection to conductive core, the effectual life who prolongs the flexible cable body.

Description

Halogen-free control flexible cable

Technical Field

The utility model belongs to the technical field of the cable, specifically a there is not steamed control flexible cable.

Background

Cables are generally rope-like cables made by twisting several or groups of conductors (at least two per group), each group of conductors being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering; the cable has the characteristics of internal electrification and external insulation, and generally in the crystallizer widening, the cable is required to be used for communication connection.

However, a plurality of conductive wire cores inside the cable in the current market adopt the installation mode of direct contact, and the cable can cause the bending of conductive wire core when twisting, and then increased conductive wire core's friction number of times, cause conductive wire core's damage, and then shorten flexible cable's life.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a there is not steamed control flexible cable, the effectual flexible cable that has solved among the above-mentioned background art makes conductive core looks mutual friction and shortens flexible cable body life's problem when twisting round for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a there is not steamed control flexible cable, including the flexible cable body, the outside equidistance of flexible cable body is equipped with the go-between, the thread groove has been seted up to the equal symmetry in both sides of go-between, connect through wire rope between two adjacent go-between, and wire rope's both ends all are equipped with the thread connection end of being connected with the thread groove, the flexible cable body includes outer lag and interior lag, the inside of interior lag is equipped with around the band, be equipped with antitorque revolving rack around the inside of band, the symmetry is equipped with the cassette on the antitorque revolving rack, one side of cassette all is equipped with the insulating layer, the inside of insulating layer is equipped with electrically conductive sinle silk, and be equipped with fire-retardant filler between antitorque revolving rack and the insulating layer, one side that interior lag kept away from around the band is equipped with the enhancement layer, one side that the enhancement layer is close to outer lag is equipped with weaves the shielding layer.

Preferably, the inner wall of the wrapping tape is provided with a limiting ball connected with the insulating layer.

Preferably, the reinforcing layer comprises a first connecting layer, a second connecting layer, a first protrusion and a second protrusion, the first connecting layer is connected with the inner wall of the braided shielding layer, the second connecting layer is connected with the outer wall of the inner protective sleeve, the first protrusions are arranged on the inner wall of the first connecting layer at equal intervals, the second protrusions are arranged on the outer portion of the second connecting layer at equal intervals, and the first protrusions are clamped with the second protrusions.

Preferably, the outer protective sleeve, the inner protective sleeve and the insulating layer are made of halogen-free low-smoke flame-retardant polyolefin materials.

Preferably, the braided shielding layer is formed by braiding tinned soft copper wires, and the wrapping tape is a low-smoke halogen-free flame-retardant flexible glass cloth tape.

Preferably, the flame-retardant filler is a low-smoke halogen-free flame-retardant torsion-resistant tear-resistant organic mineral filling rope.

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

in the work, the flexible cable body, the connecting rings, the thread groove, the steel wire rope and the thread connecting end are arranged, when the steel wire rope is connected with the connecting rings, the flexible cable body is in a straightening state between the two connecting rings, the flexible cable body can be prevented from being bent, the service performance of the flexible cable body is improved, and the protection of the conductive wire core is further realized; through the design of antitorque revolving rack, cassette and spacing ball, can realize spacing and independent installation to conductive core, avoid the flexible cable body to appear the mutual friction and the extrusion of conductive core when the distortion, and then can realize the protection to conductive core, the effectual life who prolongs the flexible cable body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

fig. 2 is a schematic view of the inside of the flexible cable body of the present invention;

FIG. 3 is a schematic view of the structure of the reinforcing layer of the present invention;

in the figure: 1. a flexible cable body; 2. a connecting ring; 3. a thread groove; 4. a wire rope; 5. a threaded connection end; 6. an outer protective sleeve; 7. an inner protective sleeve; 8. wrapping a tape; 9. an anti-torsion rotating frame; 10. an insulating layer; 11. a conductive wire core; 12. a card holder; 13. a limiting ball; 14. a flame retardant filler; 15. a reinforcing layer; 16. weaving a shielding layer; 17. a first connecting layer; 18. a second connecting layer; 19. a first bulge; 20. and a second bulge.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1 to 3, the present invention includes a flexible cable body 1, connecting rings 2 are equidistantly disposed outside the flexible cable body 1, threaded grooves 3 are symmetrically disposed on both sides of the connecting rings 2, two adjacent connecting rings 2 are connected by a steel wire rope 4, and threaded connection ends 5 connected to the threaded grooves 3 are disposed at both ends of the steel wire rope 4, when the flexible cable body 1 is connected to the steel wire rope 4 by the connecting rings 2, the flexible cable body 1 can be prevented from bending, thereby protecting the flexible cable body 1, the flexible cable body 1 includes an outer protection cover 6 and an inner protection cover 7, a wrapping tape 8 is disposed inside the inner protection cover 7, an anti-torsion frame 9 is disposed inside the wrapping tape 8, by the design of the anti-torsion frame 9, the independent installation of a conductive core 11 can be achieved, the protection of the conductive core 11 and an insulating layer 10 can be achieved when the flexible cable body 1 is twisted, and then can avoid antitorque revolving rack 9 to extrude each other, the symmetry is equipped with cassette 12 on antitorque revolving rack 9, design through cassette 12, can improve the installation stability of insulating layer 10, one side of cassette 12 all is equipped with insulating layer 10, outer lag 6, inner lag 7 and insulating layer 10 are halogen-free low smoke flame retardant polyolefin material, thereby make outer lag 6, inner lag 7 and insulating layer 10 have low temperature antitorque commentaries on classics, ultraviolet resistance performance, wear-resisting and resistant oil performance, the inside of resistant insulating layer 10 is equipped with electrically conductive sinle silk 11, and be equipped with fire-retardant filler 14 between antitorque revolving rack 9 and the insulating layer 10, one side that inner lag 7 kept away from around band 8 is equipped with enhancement layer 15, one side that enhancement layer 15 is close to outer lag 6 is equipped with and weaves shielding layer 16.

Embodiment two, on the basis of embodiment one, given by fig. 2, be equipped with the spacing ball 13 of being connected with insulating layer 10 around the inner wall of band 8, through spacing ball 13's design, can realize spacing to insulating layer 10, and then improved conductive core 11's installation stability, make flexible cable body 1 avoid insulating layer 10 to appear the aversion phenomenon when the distortion, and then realize the protection to conductive core 11.

Third embodiment, on the basis of the first embodiment, as shown in fig. 3, the reinforcing layer 15 includes a first connecting layer 17, a second connecting layer 18, a first protrusion 19 and a second protrusion 20, the first connecting layer 17 is connected to the inner wall of the braided shielding layer 16, the second connecting layer 18 is connected to the outer wall of the inner protective sleeve 7, the first protrusions 19 are equidistantly arranged on the inner wall of the first connecting layer 17, the second protrusions 20 are equidistantly arranged on the outer portion of the second connecting layer 18, and the first protrusions 19 are clamped with the second protrusions 20, so that the connection stability of the first connecting layer 17 and the second connecting layer 18 can be improved by clamping the first protrusions 19 with the second protrusions 20, the first connecting layer 17 and the second connecting layer 18 are prevented from being dislocated, the torsion resistance of the flexible cable body 1 is improved, and the service life of the flexible cable body 1 is prolonged.

In the fourth embodiment, based on the first embodiment, as shown in fig. 2, the braided shielding layer 16 is formed by braiding tin-plated soft copper wires, the wrapping tape 8 is a low-smoke halogen-free flame-retardant flexible glass cloth tape, and the low-smoke halogen-free flame-retardant flexible glass cloth tape is manufactured by dip-coating a mixed solution which does not contain any halogen, is provided with a high-efficiency inorganic flame retardant, is added with a metal hydrate and the like on reinforced glass fibers, and performing gum dipping, thermalization and other advanced process flows.

In the fifth embodiment, based on the first embodiment, as shown in fig. 2, the flame retardant filler 14 is a low-smoke halogen-free flame retardant, torsion-resistant and tear-resistant organic mineral filler rope, so that the flame retardant filler 14 has low temperature resistance and is not easily combusted, the wrapping tape 8 and the flame retardant filler 14 can absorb a large amount of heat in the combustion process, prevent flame from passing through, and form a carbon shell layer to isolate air, so that the flexible cable body 1 can be resisted from further combustion, and meanwhile, little smoke is released during combustion, so that the pollution to the environment is reduced.

The working principle is as follows: when the flexible cable works, the threaded connection end 5 at one end of the steel wire rope 4 is connected with the threaded groove 3 on the connecting rings 2, so that the flexible cable body 1 is in a straightening state between the two connecting rings 2, the flexible cable body 1 can be prevented from bending, the service performance of the flexible cable body 1 is improved, meanwhile, through the design of the anti-torsion rotating frame 9, the clamping seat 12 and the limiting ball 13, the independent installation of the conductive wire core 11 and the limitation of the conductive wire core 11 can be realized, the mutual extrusion of the conductive wire core 11 during the torsion of the flexible cable body 1 is avoided, the protection of the conductive wire core 11 can be realized, meanwhile, the connection stability of the first connecting layer 17 and the second connecting layer 18 can be improved through the meshing of the first bulge 19 and the second bulge 20, the dislocation phenomenon of the first connecting layer 17 and the second connecting layer 18 is avoided, the stability of the flexible cable body 1 is improved, and meanwhile, the flame-retardant filler 14 and the belt 8 are used for preventing the flexible cable from being twisted, make flexible cable body 1 absorb a large amount of heats in the combustion process to form the isolated air of carbon shell, further restrain flexible cable body 1 burning, owing to release smog is few when the burning, effectual reduction is to the pollution of environment simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 there is not steamed control flexible cable, includes flexible cable body (1), its characterized in that: the flexible cable comprises a flexible cable body (1), connecting rings (2) are arranged on the outer portion of the flexible cable body (1) at equal intervals, thread grooves (3) are symmetrically formed in two sides of each connecting ring (2), two adjacent connecting rings (2) are connected through a steel wire rope (4), threaded connecting ends (5) connected with the thread grooves (3) are arranged at two ends of each steel wire rope (4), the flexible cable body (1) comprises an outer protective sleeve (6) and an inner protective sleeve (7), a wrapping tape (8) is arranged inside each inner protective sleeve (7), an anti-torsion rotating frame (9) is arranged inside each wrapping tape (8), clamping seats (12) are symmetrically arranged on each anti-torsion rotating frame (9), an insulating layer (10) is arranged on one side of each clamping seat (12), a conductive wire core (11) is arranged inside each insulating layer (10), a flame-retardant filler (14) is arranged between each anti-torsion rotating frame (9) and each insulating layer (10), and reinforcing layers (15) are arranged on one sides, far away from the wrapping tapes (8), of the inner protective sleeves (7), one side of the reinforcing layer (15) close to the outer protective sleeve (6) is provided with a braided shielding layer (16).

2. The halogen-free control flexible cable of claim 1, wherein: and a limiting ball (13) connected with the insulating layer (10) is arranged on the inner wall of the wrapping tape (8).

3. The halogen-free control flexible cable of claim 1, wherein: the reinforcing layer (15) comprises a first connecting layer (17), a second connecting layer (18), a first protrusion (19) and a second protrusion (20), the first connecting layer (17) is connected with the inner wall of the woven shielding layer (16), the second connecting layer (18) is connected with the outer wall of the inner protecting sleeve (7), the first protrusion (19) is arranged on the inner wall of the first connecting layer (17) at equal intervals, the second protrusion (20) is arranged on the outer portion of the second connecting layer (18) at equal intervals, and the first protrusion (19) is connected with the second protrusion (20) in a clamping mode.

4. The halogen-free control flexible cable of claim 1, wherein: the outer protective sleeve (6), the inner protective sleeve (7) and the insulating layer (10) are all made of halogen-free low-smoke flame-retardant polyolefin materials.

5. The halogen-free control flexible cable of claim 1, wherein: the braided shielding layer (16) is formed by braiding tinned soft copper wires, and the wrapping tape (8) is a low-smoke halogen-free flame-retardant flexible glass cloth tape.

6. The halogen-free control flexible cable of claim 1, wherein: the flame-retardant filler (14) is a low-smoke halogen-free flame-retardant torsion-resistant tear-resistant organic mineral filling rope.