CN218181862U

CN218181862U - Flexible cable

Info

Publication number: CN218181862U
Application number: CN202222783506.7U
Authority: CN
Inventors: 蓝桢英; 李晶晶; 陈跃辉
Original assignee: Guangzhou Yuedao Intelligent Technology Development Co ltd
Current assignee: Guangzhou Yuedao Intelligent Technology Development Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2022-12-30
Anticipated expiration: 2032-10-21

Abstract

The utility model belongs to the technical field of the cable, especially, be a flexible cable, including outer protective sheath, four cable cores and support column, the inboard fixedly connected with waterproof layer of outer protective sheath, the fire-retardant layer of inboard fixedly connected with of waterproof layer, the inboard fixedly connected with buffering elastic layer on fire-retardant layer, protective sheath in the inboard fixedly connected with of buffering elastic layer, the equal fixedly connected with elastic column all around of support column. The beneficial effects of the utility model reside in that: through the setting of elasticity strip, buffering elastic layer, spring, rubber column, elasticity post and rubber pad for the buffer property of cable is better, and then has improved the performance of cable resistance to compression, and after pressure disappears, the cable can be quick resume, and then can carry out resistance to compression protection to fine cable core, and through outer protective sheath and interior protective sheath, has strengthened the intensity of cable, the performance of wear-resisting and resistance to compression, and then makes more durable of cable.

Description

Flexible cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a flexible cable.

Background

With the development of social economy, the demands of power application terminals and data application terminals are continuously increased, and a large number of complicated lines are required to be used for power energy and signal transmission in various fields such as residential buildings, rail transit, industrial and mining enterprises and the like. How to reduce the line construction cost and improve the safe and reliable performance of electric power energy and signal transmission has important significance. Particularly, the capability of keeping normal transmission of electric power energy and signals in a high-temperature fire environment is improved, and the method is of great importance for guaranteeing the life and property safety of people.

After retrieval: the flexible cable with the authorized publication number of CN207704892U can effectively resist stretching and bending deformation, has high resilience, is suitable for severe environment work, avoids accidents, ensures normal operation of equipment, is high in safety and long in service life.

However, the flexible cable has the defects that the buffering protection effect is poor, the pressure resistance of the cable is weak, the cable core is easily damaged by extrusion, the service life of the cable core is shortened, and the recovery function after extrusion is poor.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a flexible cable which solves the above mentioned drawbacks.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a flexible cable, includes outer protective sheath, four cable cores and support column, the inboard fixedly connected with waterproof layer of outer protective sheath, the fire-retardant layer of inboard fixedly connected with of waterproof layer, the inboard fixedly connected with buffering elastic layer on fire-retardant layer, protective sheath in the inboard fixedly connected with of buffering elastic layer, the equal fixedly connected with elasticity post all around of support column, the equal fixedly connected with rubber pad in outer end of four elasticity posts, the inboard of protective sheath including the equal fixed connection of four rubber pads, four spouts have been seted up in the outside of support column, fixedly connected with spring in the spout, the outer end fixedly connected with rubber post of spring, the outside of four cable cores is all fixed the cover and is equipped with the inoxidizing coating, and four rubber posts are fixed connection in the outside of the inoxidizing coating that corresponds respectively.

Preferably, the four rubber columns are respectively sleeved in the corresponding sliding grooves in a sliding manner.

Preferably, a plurality of elastic strips are fixedly connected between the flame-retardant layer and the inner protective sleeve.

Preferably, the same anti-cracking grid cloth is fixedly connected between the waterproof layer and the flame-retardant layer.

Preferably, the protective layer comprises an insulating layer fixedly connected to the outer side of the cable core, and a shielding layer is fixedly connected to the outer side of the insulating layer.

Preferably, the insulating layer is made of mica tape material, and the flame-retardant layer is made of asbestos material.

Preferably, kenaf yarn filler is filled in gaps among the inner protective sleeve, the supporting columns, the shielding layer, the elastic columns and the rubber pad.

Preferably, the inner protective sleeve is made of the same material as the outer protective sleeve and is made of a plastic-coated metal hose.

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

(1) The utility model discloses a flexible cable, through the elasticity strip, the buffering elastic layer, a spring, the rubber post, the setting of elasticity post and rubber pad, make the shock-absorbing capacity of cable better, and then the performance of cable resistance to compression has been improved, and after pressure disappears, the cable can be quick resumes, and then can carry out the resistance to compression protection to the cable core fine, and through outer protective sheath and interior protective sheath, the intensity of cable has been strengthened, the performance of wear-resisting and resistance to compression, and then make more durable of cable, through crack control net cloth, prevent that the condition of cable emergence fracture.

(2) The utility model discloses a flexible cable through kenaf yarn filler for cable toughness is stronger, and has guaranteed the circularity of cable, through fire-retardant layer, makes the fire resistance of cable better, avoids the condition that the cable takes place to burn, through the insulating layer, can insulate the cable core, avoids the electric leakage, through the shielding layer, effectively avoids the mutual interference between the cable core.

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 should be understood that the drawings in the following description are illustrative only, and that the structures, proportions, sizes, and other elements shown in the drawings are not necessarily limited to the exact construction and operation shown and described, but are merely illustrative and not restrictive of the scope of the invention.

Fig. 1 is a schematic structural diagram of a flexible cable according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of a flexible cable according to the present invention;

fig. 3 is the utility model provides a structural schematic of inoxidizing coating and cable core of flexible cable.

In the figure: 1. an outer protective sheath; 2. a waterproof layer; 3. anti-cracking mesh cloth; 4. a flame retardant layer; 5. an elastic strip; 6. a cushioning elastic layer; 7. an inner protective sheath; 8. a support pillar; 9. a chute; 10. a spring; 11. a rubber column; 12. An elastic column; 13. a rubber pad; 14. kenaf yarn filler; 15. a protective layer; 16. a cable core; 17. An insulating layer; 18. and a shielding layer.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defined as "first", "second" may explicitly or implicitly include one or more such features, in the description of the invention "plurality" means two or more unless explicitly and specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-3, a flexible cable comprises an outer protective sleeve 1, four cable cores 16 and a support column 8, wherein the inner side of the outer protective sleeve 1 is fixedly connected with a waterproof layer 2, the inner side of the waterproof layer 2 is fixedly connected with a flame retardant layer 4, the inner side of the flame retardant layer 4 is fixedly connected with a buffering elastic layer 6, the inner side of the buffering elastic layer 6 is fixedly connected with an inner protective sleeve 7, the periphery of the support column 8 is fixedly connected with elastic columns 12, the outer ends of the four elastic columns 12 are fixedly connected with rubber pads 13, the four rubber pads 13 are fixedly connected with the inner side of the inner protective sleeve 7, the outer side of the support column 8 is provided with four sliding grooves 9, the sliding grooves 9 are internally and fixedly connected with springs 10, the outer ends of the springs 10 are fixedly connected with rubber columns 11, and the outer sides of the four cable cores 16 are fixedly sleeved with protective layers 15, four rubber post 11 fixed connection respectively are in the outside of the inoxidizing coating 15 that corresponds, through the setting of buffering elastic layer 6 and elastic strip 5, make the elastic buffer performance of cable better, the performance of cable resistance to compression has been strengthened, make it difficult to be damaged, through the setting of rubber pad 13 and elastic post 12, can cushion external force, make the compressive property of cable better, through the setting of spring 10 and rubber post 11, can cushion the protection to the cable once more, and then a plurality of multistage cushions, make the shock-absorbing capacity better, and then the performance of cable resistance to compression has been improved, and after pressure disappears, the cable can be quick to resume, and then can protect the cable core fine.

The utility model discloses in, four rubber column 11 slip cap respectively establish in corresponding spout 9, can lead to rubber column 11, make its removal more stable smooth and easy.

The utility model discloses in, a plurality of elastic strips of fixedly connected with 5 between fire-retardant layer 4 and the interior protective sheath 7, through a plurality of elastic strips 5 for buffering elastic layer 6's buffering effect is better.

The utility model discloses in, the same crack control net cloth 3 of fixedly connected with between waterproof layer 2 and the fire-retardant layer 4, through crack control net cloth 3, prevent the condition that the cable takes place to ftracture.

The utility model discloses in, inoxidizing coating 15 includes the insulating layer 17 of fixed connection in the 16 outsides of cable core, and the outside fixedly connected with shielding layer 18 of insulating layer 17 through shielding layer 18, effectively avoids the mutual interference between cable core 16, through insulating layer 17, can insulate cable core 16.

The utility model discloses in, insulating layer 17 is made for the mica tape material, and fire-retardant layer 4 is made for the asbestos material, through the insulating layer 17 that the mica tape was made for insulating properties is better, through the fire-retardant layer 4 that the asbestos material was made, makes flame retardant efficiency better.

The utility model discloses in, the space intussuseption between inner protective sheath 7, support column 8, shielding layer 18, elasticity post 12 and the rubber pad 13 is filled with kenaf yarn filler 14, through kenaf yarn filler 14 for cable toughness is stronger, and has guaranteed the circularity of cable.

The utility model discloses in, interior protective sheath 7 is the same with outer protective sheath 1's material, all adopts the package to mould metal collapsible tube and makes, through outer protective sheath 1 and interior protective sheath 7 for the sealed protection of cable is better, and has strengthened the intensity of cable, wear-resisting and resistance to compression's performance.

The utility model discloses the technological progress that prior art obtained relatively is: during operation, through outer protective sheath 1 and inner protective sheath 7, make the sealing protection of cable better, and strengthened the intensity of cable, the performance of wear-resisting and resistance to compression, through waterproof layer 2, the waterproof performance of cable has been improved, make the rainwater can not permeate the cable in and lead to the condition that the cable takes place electric leakage or short circuit, the security of use has been guaranteed, through the setting of buffering elastic layer 6 and elastic strip 5, make the elastic buffer performance of cable better, the performance of cable resistance to compression has been strengthened, make it be difficult for being damaged, through the setting of rubber pad 13 and elastic column 12, can cushion the external force, make the compressive property of cable better, through the setting of spring 10 and rubber column 11, can cushion the protection once more to the cable, and then a plurality of multistage cushions, make the cushioning performance better, and then the performance of cable resistance to compression has been improved, and after the pressure disappears, the cable can resume fast, and then can protect fine cable core, through check cloth 3, prevent the condition that the cable from cracking, through kenaf yarn filler 14, make the toughness stronger, and the flame retardant circularity of cable has been guaranteed, make the condition of cable pass through the better 4, make the cable core of cable can avoid the mutual interference of electric leakage, the condition of mutual shielding, the condition of preventing from taking place through the insulating layer 16, the fire-preventing of cable, the mutual interference of cable, the condition of the fire-preventing of the cable from taking place of the fire-resisting interference of the cable, the fire-preventing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a flexible cable, its characterized in that, includes outer protective sheath (1), four cable cores (16) and support column (8), inboard fixedly connected with waterproof layer (2) of outer protective sheath (1), the fire-retardant layer of inboard fixedly connected with (4) of waterproof layer (2), the inboard fixedly connected with buffering elastic layer (6) of fire-retardant layer (4), the inboard fixedly connected with inner protective sheath (7) of buffering elastic layer (6), equal fixedly connected with elastic column (12) all around of support column (8), the equal fixedly connected with rubber pad (13) in the outer end of four elastic column (12), the inboard of protective sheath (7) including the equal fixed connection of four rubber pad (13), four spout (9) have been seted up in the outside of support column (8), fixedly connected with spring (10) in spout (9), the outer end fixedly connected with rubber column (11) of spring (10), the equal fixedly connected with in the outside of four cable cores (16) is equipped with inoxidizing coating (15), and four rubber column (11) are fixed connection in the outside of inoxidizing coating (15) that corresponds respectively.

2. A flexible cable according to claim 1, wherein four rubber posts (11) are slidably received in the corresponding sliding grooves (9).

3. A flexible cable according to claim 1, characterized in that a plurality of elastic strips (5) are fixedly connected between said flame retardant layer (4) and the inner protective sheath (7).

4. The flexible cable according to claim 1, wherein the same anti-cracking mesh fabric (3) is fixedly connected between the waterproof layer (2) and the flame retardant layer (4).

5. A flexible cable according to claim 1, characterized in that said shielding (15) comprises an insulating layer (17) fixedly attached to the outside of the cable core (16), said insulating layer (17) having a shielding layer (18) fixedly attached to the outside.

6. A flexible cable according to claim 5, characterized in that said insulating layer (17) is made of mica tape and said flame-retardant layer (4) is made of asbestos.

7. A flexible cable according to claim 5, characterized in that the interstices between the inner protective sheath (7), the support column (8), the shielding layer (18), the elastomeric column (12) and the rubber mat (13) are filled with kenaf yarn filler (14).

8. A flexible cable according to claim 1, characterized in that the inner protective sheath (7) and the outer protective sheath (1) are made of the same material and are made of plastic-coated metal hoses.