CN212411608U

CN212411608U - Elastic bendable cable

Info

Publication number: CN212411608U
Application number: CN202021147318.XU
Authority: CN
Inventors: 吉保良
Original assignee: Shuangdeng Cable Co Ltd
Current assignee: Shuangdeng Cable Co Ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-01-26
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses an elasticity flexible cable relates to cable technical field, including the cable body, the inside of cable body is equipped with the rubber tube, the cavity has been seted up to the inside of rubber tube, the inside of cavity is equipped with the elastic spring, the outer wall of rubber tube is equipped with the elastic layer, be equipped with cable conductor and elastic support device between elastic layer and the rubber tube, the outer wall fixedly connected with inner insulating layer of cable conductor, inner insulating layer is equipped with the elasticity filling layer with elastic support device's outside, the outer wall of elastic layer is equipped with the outer insulation layer, the outer wall of outer insulation layer is equipped with fire-retardant insulating layer, the outer wall of fire-retardant insulating layer is equipped with the wearing layer. This elasticity flexible cable through setting up elastic layer, elastic support device and elasticity filling layer, the anti extrusion effect of the cable that has strengthened prevents at cable installation or when transporting in-process, because of the extrusion impaired, not only practices thrift the maintenance cost, has alleviateed staff's work burden moreover.

Description

Elastic bendable cable

Technical Field

The utility model relates to the technical field of cables, specifically be an elasticity flexible cable.

Background

The cable usually comprises several or several groups of wires, the cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable and aluminium alloy cable, etc., they all comprise single-strand or multi-strand wire and insulating layer, used for connecting circuit and electric appliance, etc., most of the cables generally used in the market at present are simple in structure, in the process of cable installation or transportation, it is easy to be extruded and damaged, not only increasing the maintenance cost, but also can influence the safety of transportation, increasing the work burden of the staff, therefore, an elastic bendable cable is needed.

In chinese utility model patent application no: CN201921882292.0 discloses a high-elasticity cable, which includes a battery cell and an insulating layer, wherein the insulating layer is coated outside the battery cell; the insulating layer is coated with an elastic protective layer, and a wear-resistant layer is arranged outside the elastic protective layer; the elastic protective layer comprises an inner elastic layer and an outer elastic layer, a plurality of elastic ribs with hemispherical cross sections are uniformly distributed on the outer surface of the inner elastic layer and the inner surface of the outer elastic layer, and the elastic ribs on the outer surface of the inner elastic layer and the inner surface of the outer elastic layer are arranged in a staggered mode; a plurality of elastic connecting rings are arranged between the inner elastic layer and the outer elastic layer at fixed intervals, and the outer surface of the inner elastic layer is connected with the inner surface of the outer elastic layer through the elastic connecting rings. The high-elasticity cable is not provided with a connecting device, so that the cable is inconvenient to butt joint, and cannot be used in high-temperature areas because a heat-insulating flame-retardant layer is not arranged.

Therefore, there is a need for an elastically bendable cable that solves the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide an elasticity flexible cable to solve the current high elasticity cable that proposes in the above-mentioned background art, not set up connecting device, it is inconvenient to lead to the cable butt joint, and do not set up thermal-insulated fire-retardant layer, the problem that can't use in high temperature area.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an elastic bendable cable comprises a cable body, wherein a rubber tube is arranged inside the cable body, a cavity is formed inside the rubber tube, an elastic spring is arranged inside the cavity, an elastic layer is arranged on the outer wall of the rubber tube, a cable and an elastic supporting device are arranged between the elastic layer and the rubber tube, the elastic supporting device comprises a fixing sleeve, a sliding groove is formed inside the fixing sleeve, a clamping block is arranged at the top of the sliding groove, a connecting spring is arranged at the bottom of the clamping block, a supporting rod is fixedly connected to the middle of the top end of the clamping block, one end of the supporting rod extends out of the sliding groove and is in sliding connection with the fixing sleeve, an inner insulating layer is fixedly connected to the outer wall of the cable, an elastic filling layer is arranged outside the inner insulating layer and the elastic supporting device, an outer insulating layer is arranged on the outer wall of the elastic layer, and, the outer wall of the flame-retardant heat-insulating layer is provided with a wear-resistant layer, the two ends of the cable body are fixedly connected with butt-joint rings, and one end of each butt-joint ring is provided with a threaded hole.

Preferably, the number of the inner insulating layers and the number of the elastic supporting devices are multiple, and the inner insulating layers and the elastic supporting devices are distributed in a staggered mode.

Preferably, the top of the connecting spring is fixedly connected with the bottom of the clamping block, the bottom of the connecting spring is fixedly connected with the bottom of the sliding groove, the bottom of the fixing sleeve is fixedly connected with the inner wall of the elastic layer, and the top of the supporting rod is fixedly connected with the outer wall of the rubber tube.

Preferably, the outer insulation layer and the inner insulation layer are both made of insulating rubber.

Preferably, the flame-retardant heat-insulation layer is made of a teflon material.

Preferably, the wear-resistant layer is made of a wear-resistant rubber material.

Preferably, the threaded holes are distributed in an annular and uniform manner.

(III) advantageous effects

Compared with the prior art, the utility model provides an elasticity flexible cable possesses following beneficial effect:

1. this elasticity flexible cable through setting up the wearing layer, can improve the wearability of cable, is favorable to improving the life and the security of cable.

2. This elasticity flexible cable through setting up elastic layer, elastic support device and elasticity filling layer, the anti extrusion effect of the cable that has strengthened prevents at cable installation or when transporting in-process, because of the extrusion impaired, not only practices thrift the maintenance cost, has improved the security of carrying the electricity, has alleviateed staff's work burden.

3. This elasticity flexible cable through setting up rubber tube and elastic spring, can increase the anti crooked effect of cable, is favorable to improving the life and the fail safe nature of cable.

Drawings

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

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is a schematic top sectional view of the structure of the present invention;

fig. 4 is a schematic front sectional view of the elastic support device of the present invention.

In the figure: 1. a cable body; 2. a cavity; 3. an elastic spring; 4. a rubber tube; 5. a wear layer; 6. a flame-retardant heat-insulating layer; 7. an outer insulating layer; 8. an elastic layer; 9. an elastic support device; 10. an elastic filling layer; 11. a cable wire; 12. an inner insulating layer; 13. a docking ring; 14. a threaded hole; 15. fixing the sleeve; 16. a chute; 17. a connecting spring; 18. a clamping block; 19. a support rod.

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.

Referring to fig. 1-4, an elastic bendable cable includes a cable body 1, a rubber tube 4 is disposed inside the cable body 1, a cavity 2 is disposed inside the rubber tube 4, an elastic spring 3 is disposed inside the cavity 2, the rubber tube 4 and the elastic spring 3 are disposed to increase the bending resistance of the cable, thereby improving the service life and safety and reliability of the cable, an elastic layer 8 is disposed on the outer wall of the rubber tube 4, a cable 11 and an elastic supporting device 9 are disposed between the elastic layer 8 and the rubber tube 4, the elastic supporting device 9 includes a fixing sleeve 15, a sliding groove 16 is disposed inside the fixing sleeve 15, a clamping block 18 is disposed on the top of the sliding groove 16, a connecting spring 17 is disposed on the bottom of the clamping block 18, the top of the connecting spring 17 is fixedly connected to the bottom of the clamping block 18, the bottom of the connecting spring 17 is fixedly connected to the bottom of the sliding groove 16, the bottom of the fixing sleeve 15 is fixedly connected to the inner wall, the top of the supporting rod 19 is fixedly connected with the outer wall of the rubber tube 4, the middle part of the top end of the clamping block 18 is fixedly connected with the supporting rod 19, one end of the supporting rod 19 extends out of the chute 16 and is in sliding connection with the fixed sleeve 15, the outer wall of the cable 11 is fixedly connected with the inner insulating layer 12, the inner insulating layer 12 and the elastic supporting device 9 are respectively provided with a plurality of inner insulating layers 12, the inner insulating layers 12 and the elastic supporting device 9 are distributed in a staggered mode, the elastic filling layer 10 is arranged outside the inner insulating layer 12 and the elastic supporting device 9, the elastic layer 8, the elastic supporting device 9 and the elastic filling layer 10 are arranged, the anti-extrusion effect of the cable is enhanced, the cable is prevented from being damaged due to extrusion in the process of cable installation or transportation, the maintenance cost is saved, the safety of electricity transmission is improved, the work burden of workers is lightened, the outer insulating layer 7 is arranged on the outer, outer insulating layer 7's outer wall is equipped with fire-retardant insulating layer 6, fire-retardant insulating layer 6 is made by the special fluorine dragon material, fire-retardant insulating layer 6's outer wall is equipped with wearing layer 5, wearing layer 5 is made by wear-resisting rubber material, through setting up wearing layer 5, can improve the wearability of cable, be favorable to improving the life and the security of cable, the equal fixedly connected with in both ends of cable body 1 connects ring 13, connect ring 13's one end and seted up threaded hole 14, threaded hole 14 has a plurality ofly, a plurality of threaded holes 14 are annular evenly distributed.

The working principle is as follows: when the cable is used, a plurality of cable bodies 1 are butted through the butting rings 13, two butting rings 13 are fixedly connected through the threaded holes 14 by bolts, the wear-resistant layer 5 is made of wear-resistant rubber materials, the wear resistance of the cable can be improved, the service life of the cable is prolonged, the flame-retardant heat-insulating layer 6 is made of Teflon materials, and the cable has good heat-insulating flame-retardant effect and pit corrosion capability, so that the cable can be suitable for various different environments, and the safety and reliability of the cable are improved, the elastic layer 8, the elastic supporting device 9 and the elastic filling layer 10 can improve the extrusion resistance of the cable, prevent the cable 11 from being damaged due to mutual extrusion when the cable 11 is extruded from the outside, influence the service effect of the cable, and prolong the service life of the cable, when the cable bodies 1 are extruded, the supporting rod 19 drives the clamping block 18 to slide along the sliding groove 16 and extrude the, convert the pressure that cable body 1 received into coupling spring 17's elasticity, prevent that cable conductor 11 from leading to inner insulating layer 12 to be destroyed because of receiving the extrusion, outer insulating layer 7 and inner insulating layer 12 can prevent that cable conductor 11 from taking place the short circuit because of the electric leakage, the effectual safety of protecting the cable, and rubber tube 4 and elastic spring 3 have good anti crooked effect.

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. An elastically bendable cable, comprising a cable body (1), characterized in that: the cable comprises a cable body (1), and is characterized in that a rubber tube (4) is arranged in the cable body (1), a cavity (2) is formed in the rubber tube (4), an elastic spring (3) is arranged in the cavity (2), an elastic layer (8) is arranged on the outer wall of the rubber tube (4), a cable wire (11) and an elastic supporting device (9) are arranged between the elastic layer (8) and the rubber tube (4), the elastic supporting device (9) comprises a fixed sleeve (15), a sliding groove (16) is formed in the fixed sleeve (15), a clamping block (18) is arranged at the top of the sliding groove (16), a connecting spring (17) is arranged at the bottom of the clamping block (18), a supporting rod (19) is fixedly connected to the middle of the top end of the clamping block (18), one end of the supporting rod (19) extends out of the sliding groove (16) and is slidably connected with the fixed sleeve (15), an inner insulating layer (12) is fixedly, the utility model discloses a cable insulation layer, including inner insulating layer (12) and elastic support device (9), the outside of inner insulating layer (12) and elastic support device (9) is equipped with elastic filling layer (10), the outer wall of elastic layer (8) is equipped with outer insulating layer (7), the outer wall of outer insulating layer (7) is equipped with fire-retardant insulating layer (6), the outer wall of fire-retardant insulating layer (6) is equipped with wearing layer (5), the equal fixedly connected with in both ends of cable body (1) connects ring (13), screw hole (14) are seted up to the one end of connecting ring (13).

2. An elastically bendable cable according to claim 1, wherein: the inner insulating layers (12) and the elastic supporting devices (9) are multiple, and the inner insulating layers (12) and the elastic supporting devices (9) are distributed in a staggered mode.

3. An elastically bendable cable according to claim 1, wherein: the top of connecting spring (17) and the bottom fixed connection of fixture block (18), the bottom of connecting spring (17) and the bottom fixed connection of spout (16), the bottom of fixed sleeve (15) and the inner wall fixed connection of elastic layer (8), the top of bracing piece (19) and the outer wall fixed connection of rubber tube (4).

4. An elastically bendable cable according to claim 1, wherein: the outer insulating layer (7) and the inner insulating layer (12) are both made of insulating rubber.

5. An elastically bendable cable according to claim 1, wherein: the flame-retardant heat-insulating layer (6) is made of Teflon material.

6. An elastically bendable cable according to claim 1, wherein: the wear-resistant layer (5) is made of a wear-resistant rubber material.

7. An elastically bendable cable according to claim 1, wherein: the threaded holes (14) are distributed in a plurality, and the threaded holes (14) are uniformly distributed in an annular shape.