CN219916782U

CN219916782U - Flexible cable

Info

Publication number: CN219916782U
Application number: CN202321128672.1U
Authority: CN
Inventors: 吴亚利; 储贤民; 黄小芳; 苏聪聪; 简永平; 刘永光; 胡伟健
Original assignee: Jiangsu Yuancheng Cable Co ltd
Current assignee: Jiangsu Yuancheng Cable Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-10-27
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a flexible cable, which comprises a protective sleeve, wherein a fireproof layer is fixedly connected to the inner wall of the protective sleeve, a flexible folding layer is fixedly connected to the inner wall of the fireproof layer, an electromagnetic shielding layer is fixedly connected to the inner wall of the flexible folding layer, a first insulating layer is fixedly connected to the inner wall of the electromagnetic shielding layer, a fireproof filling layer is fixedly connected to the inner wall of the first insulating layer, waterproof insulating layers penetrate through and are fixedly connected to the four corners of the top of the fireproof filling layer, an aluminum protective sleeve is fixedly connected to the inner wall of the waterproof insulating layer, and a limiting ring is arranged on the outer wall of the protective sleeve. According to the utility model, firstly, when the cable is pulled, the limiting rings can be adsorbed through the magnetic strips arranged at the four corners of the protecting sleeve, and the cable is more convenient to pull through the balls on the limiting rings, so that the friction between the cable protecting sleeve and the ground can be prevented through the springs between the limiting rings.

Description

Flexible cable

Technical Field

The utility model relates to the field of flexible cables, in particular to a flexible cable.

Background

With the development of social economy, demands of an electric power application end and a data application end are continuously increased, and various fields such as residential buildings, rail transit, industrial and mining enterprises and the like need to use a large number of complicated circuits for electric power and signal transmission. How to reduce the line construction cost, improve the safe and reliable performance of electric power energy and signal transmission, has important significance, and the flexible cable is also applied in the process of using direct current ultra-high voltage.

At present, the cable is inconvenient to apply in the construction to bring very big trouble for constructor, simultaneously the cable is difficult to remove, also produces the fracture easily, thereby produces very big hidden danger, and secondly, most cable heat resistance is relatively poor, and fire behavior is not good, in the high temperature conflagration that faces unexpected arouses, can not fine keep apart high temperature, also can not resist the erosion of flame, often just is ignited in the short time, so need to improve flexible direct current superhigh pressure cable.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a flexible cable.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a flexible cable, includes the protective sheath, fixedly connected with flame retardant coating on the inner wall position of protective sheath, fixedly connected with flexible folding layer on the inner wall position of flame retardant coating, fixedly connected with electromagnetic shield layer on the inner wall position of flexible folding layer, fixedly connected with first insulating layer on the inner wall position of electromagnetic shield layer, fixedly connected with fire prevention filling layer on the inner wall position of first insulating layer, all run through and fixedly connected with water proof insulating layer on the top four corners position of fire prevention filling layer, fixedly connected with aluminium sheath on the inner wall position of water proof insulating layer, be provided with the spacing ring on the outer wall position of protective sheath.

As a further description of the above technical solution:

the magnetic strips which are uniformly distributed penetrate through and are fixedly connected to the four corners of the top of the protective sleeve.

As a further description of the above technical solution:

nylon reinforced cores uniformly distributed are penetrated and arranged at the periphery of the top of the protective sleeve.

As a further description of the above technical solution:

the middle four corners of the top of the fireproof filling layer are penetrated and provided with hollow structures.

As a further description of the above technical solution:

and a second insulating layer is fixedly connected to the inner wall of the aluminum sheath.

As a further description of the above technical solution:

and copper cores which are uniformly distributed are arranged on the inner wall of the second insulating layer.

As a further description of the above technical solution:

and springs which are uniformly distributed are fixedly connected between the two limiting rings.

As a further description of the above technical solution:

balls which are uniformly distributed are penetrated and rotationally connected between the outer walls of the limiting rings.

The utility model has the following beneficial effects:

1. according to the utility model, firstly, when the cable is pulled, the limiting rings can be adsorbed through the magnetic strips arranged at the four corners of the protecting sleeve, and the cable is more convenient to pull through the balls on the limiting rings, so that the friction between the cable protecting sleeve and the ground can be prevented through the springs between the limiting rings.

2. According to the utility model, when high-temperature fire occurs outside, the inside of the cable is protected when a fire disaster occurs through the fireproof layer, the outside of the cable is protected when the cable burns through the fireproof filling layer, and the heat insulation and fireproof time is prolonged.

Drawings

FIG. 1 is a perspective view of a flexible cable according to the present utility model;

FIG. 2 is a top view of a flexible cable according to the present utility model;

FIG. 3 is a schematic view of a copper core of a flex cable according to the present utility model;

fig. 4 is a schematic view of a stop collar of a flexible cable according to the present utility model.

Legend description:

1. a protective sleeve; 2. a magnetic stripe; 3. nylon reinforced core; 4. a fire-blocking layer; 5. a flexible folded layer; 6. an electromagnetic shielding layer; 7. a first insulating layer; 8. a hollow structure; 9. a fire-resistant filler layer; 10. a water-insulating layer; 11. an aluminum sheath; 12. a second insulating layer; 13. a copper core; 14. a limiting ring; 15. a spring; 16. and (3) rolling balls.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a flexible cable, including protective sheath 1, fixedly connected with flame retardant coating 4 on the inner wall position of protective sheath 1, fixedly connected with flexible folding layer 5 on the inner wall position of flame retardant coating 4, fixedly connected with electromagnetic shield layer 6 on the inner wall position of flexible folding layer 5, fixedly connected with first insulating layer 7 on the inner wall position of electromagnetic shield layer 6, fixedly connected with fire prevention filling layer 9 on the inner wall position of first insulating layer 7, can cut off the propagation path of electromagnetic wave through electromagnetic shield layer 6, thereby eliminate the interference, can make the conductor in the cable and surrounding environment or adjacent conductor mutual insulation through first insulating layer 7, insulating layer 10 and second insulating layer 12, make cable waterproof and zero sequence short circuit electric current heat stable through aluminium sheath 11, the condition of high temperature fire when the outside appears, protect the inside of cable when the conflagration takes place through flame retardant coating 4, protect the cable external world through the fire prevention filling layer 9 when the cable takes place to burn, the time of extension thermal-insulated fire prevention can strengthen filling layer 1, protective sheath can protect the cable be difficult to receive the oil stain in the external environment, physical impact, wear and tear, insulating layer 10 and the like on the inner wall position of protective sheath 10 is fixed with insulating layer 10, the top is connected with insulating layer 10 on the insulating layer 1, the top is fixed connection has the insulating layer on the insulating layer 10.

The magnetic stripe 2 evenly distributed is penetrated and fixedly connected with on the top four corners position of protective sheath 1, the nylon that evenly distributed strengthens the core 3 to run through and be provided with on the top four corners position of protective sheath 1, run through and be provided with hollow structure 8 on the top middle four corners position of fire prevention filling layer 7, fixedly connected with second insulating layer 12 on the inner wall position of aluminium sheath 11, be provided with evenly distributed copper core 13 on the inner wall position of second insulating layer 12, fixedly connected with evenly distributed spring 15 on the position between two spacing rings 14, can prevent cable protective sheath 1 and ground friction through the spring 15 between the spacing rings 14, run through on the outer wall position between the spacing rings 14 and be connected with evenly distributed ball 16, when the cable pulls, can adsorb spacing ring 14 through the magnetic stripe 2 that sets up on the protective sheath 1 four corners, the ball 16 on the spacing ring 14 makes the cable more convenient when pulling.

Working principle: when the cable pulls, can adsorb spacing ring 14 through the magnetic stripe 2 that sets up on the protective sheath 1 four corners, pass through ball 16 on the spacing ring 14, it is more convenient when making the cable pull, can prevent cable protective sheath 1 and ground friction through the spring 15 between the spacing ring 14, when the condition of high temperature fire appears in the outside, protect the inside of cable when the conflagration takes place through flame retardant coating 4, protect the cable external world when the cable takes place to burn through fire proof filling layer 9, lengthen the time of thermal-insulated fire prevention, can strengthen the intensity of protective sheath 1 through nylon strengthening core 3, protective sheath 1 can protect the cable be difficult for receiving the influence such as oil stain in the external environment, wearing and tearing, physical impact, protect the cable, can cut off electromagnetic wave's propagation route through electromagnetic shield layer 6, thereby eliminate the interference, through first insulating layer 7, insulating layer 10 and second insulating layer 12 can make cable waterproof and short-circuit electric current heat stable with surrounding environment or adjacent conductor between the mutual insulation through aluminium sheath 11.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A flexible cable comprising a protective sheath (1), characterized in that: the novel waterproof protective sleeve is characterized in that a fireproof layer (4) is fixedly connected to the inner wall of the protective sleeve (1), a flexible folding layer (5) is fixedly connected to the inner wall of the fireproof layer (4), an electromagnetic shielding layer (6) is fixedly connected to the inner wall of the flexible folding layer (5), a first insulating layer (7) is fixedly connected to the inner wall of the electromagnetic shielding layer (6), a fireproof filling layer (9) is fixedly connected to the inner wall of the first insulating layer (7), a waterproof insulating layer (10) is fixedly connected to the four corners of the top of the fireproof filling layer (9), an aluminum sheath (11) is fixedly connected to the inner wall of the waterproof insulating layer (10), and a limiting ring (14) is arranged on the outer wall of the protective sleeve (1).

2. A flexible cable according to claim 1, wherein: the magnetic strips (2) uniformly distributed are penetrated and fixedly connected at four corners of the top of the protective sleeve (1).

3. A flexible cable according to claim 1, wherein: nylon reinforced cores (3) uniformly distributed are penetrated and arranged at the periphery of the top of the protective sleeve (1).

4. A flexible cable according to claim 1, wherein: the middle four corners of the top of the fireproof filling layer (9) are penetrated and provided with hollow structures (8).

5. A flexible cable according to claim 1, wherein: the inner wall of the aluminum sheath (11) is fixedly connected with a second insulating layer (12).

6. A flexible cable according to claim 5, wherein: the copper cores (13) which are uniformly distributed are arranged on the inner wall of the second insulating layer (12).

7. A flexible cable according to claim 1, wherein: and springs (15) which are uniformly distributed are fixedly connected between the two limiting rings (14).

8. A flexible cable according to claim 1, wherein: balls (16) which are uniformly distributed are penetrated and rotatably connected between the outer walls of the limiting rings (14).