CN219476344U

CN219476344U - Novel shielded wire

Info

Publication number: CN219476344U
Application number: CN202320104585.6U
Authority: CN
Inventors: 冼福斌
Original assignee: Shanghai Pangshang Power Equipment Engineering Co ltd
Current assignee: Shanghai Pangshang Power Equipment Engineering Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-08-04
Anticipated expiration: 2033-02-02

Abstract

The utility model relates to a novel shielded wire, which comprises an insulating sleeve, wherein a compression-resistant shielding structure is arranged on the insulating sleeve and comprises a first flame-retardant layer fixedly arranged on the outer surface of the insulating sleeve, a first shielding layer is fixedly arranged on the outer surface of the first flame-retardant layer, a buffer layer is fixedly arranged on the outer surface of the first shielding layer, a second shielding layer is fixedly arranged on the outer surface of the buffer layer, a compression-resistant layer is fixedly arranged on the outer surface of the second shielding layer, and a second flame-retardant layer is fixedly arranged on the outer surface of the compression-resistant layer. This novel shielded wire is equipped with buffer layer and compressive layer through being equipped with the high-elastic mixture in the compressive layer on insulating sleeve, and fixed mounting has a plurality of compressive ribs for a plurality of in the high-elastic mixture, can improve the compressive property of electric wire greatly, improves the protection to the inside shielding layer of electric wire, is equipped with first fire-retardant layer and the fire-retardant layer of second on insulating sleeve simultaneously, can improve the fire behavior of electric wire.

Description

Novel shielded wire

Technical Field

The utility model relates to the technical field of wires, in particular to a novel shielding wire.

Background

The shielded wire is a cable with a shielding layer, and is mainly used for occasions needing to prevent strong current and magnetic field interference and oxidation corrosion, and polyethylene insulation and polyvinyl chloride insulation shielded cable wires are commonly used.

But the existing shielded wire has poor compression resistance in the actual use process, and the shielding layer inside the wire is easily damaged under the extrusion of external pressure, so that the normal use of the shielded wire is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a novel shielding wire which has the advantage of good compression resistance, and solves the problems that the compression resistance of the existing shielding wire is poor in the actual use process, and the shielding layer inside the wire is easily damaged under the extrusion of external pressure, so that the normal use of the shielding wire is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel shielded wire comprises an insulating sleeve, wherein a compression-resistant shielding structure is arranged on the insulating sleeve;

the anti-compression shielding structure comprises a first flame-retardant layer fixedly mounted on the outer surface of an insulating sleeve, a first shielding layer is fixedly mounted on the outer surface of the first flame-retardant layer, a buffer layer is fixedly mounted on the outer surface of the first shielding layer, a second shielding layer is fixedly mounted on the outer surface of the buffer layer, an anti-compression layer is fixedly mounted on the outer surface of the second shielding layer, a second flame-retardant layer is fixedly mounted on the outer surface of the anti-compression layer, a wear-resistant layer is fixedly mounted on the outer surface of the second flame-retardant layer, insulating filler is filled in the insulating sleeve, and a wire is fixedly mounted in the insulating filler.

Further, the compression-resistant layer is internally filled with a high-elasticity mixture, compression-resistant ribs are fixedly arranged in the high-elasticity mixture, the number of the compression-resistant ribs is not less than sixteen, the intervals between every two adjacent compression-resistant ribs are equal, and the diameter of each compression-resistant rib is not less than four centimeters of zero and not more than five centimeters of zero.

Further, the thickness of each of the first flame retardant layer and the second flame retardant layer is not less than three centimeters and not more than five centimeters.

Further, the thicknesses of the first shielding layer and the second shielding layer are not lower than two centimeters of zero point and not more than three centimeters of zero point.

Further, the thickness of the buffer layer is not less than five centimeters below zero and not more than six centimeters below zero.

Further, the thickness of the wear-resistant layer is not less than one five centimeters at zero and not more than two centimeters at zero.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this novel shielded wire is equipped with buffer layer and compressive layer through being equipped with the high-elastic mixture in the compressive layer on insulating sleeve, and fixed mounting has a plurality of compressive ribs for a plurality of in the high-elastic mixture, can improve the compressive property of electric wire greatly, improves the protection to the inside shielding layer of electric wire, is equipped with first fire-retardant layer and the fire-retardant layer of second on insulating sleeve simultaneously, can improve the fire behavior of electric wire.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present utility model.

In the figure: 1. an insulating sleeve; 2. a first flame retardant layer; 3. a first shielding layer; 4. a buffer layer; 5. a second shielding layer; 6. a compression-resistant layer; 7. a second flame retardant layer; 8. a wear-resistant layer; 9. an insulating filler; 10. a wire; 11. a high-elastic mixture; 12. compression-resistant ribs.

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.

Referring to fig. 1, a novel shielding wire in this embodiment includes an insulating sleeve 1, a compression-resistant shielding structure is disposed on the insulating sleeve 1, the compression-resistant shielding structure includes a first flame retardant layer 2 fixedly mounted on an outer surface of the insulating sleeve 1, a first shielding layer 3 is fixedly mounted on an outer surface of the first flame retardant layer 2, a buffer layer 4 is fixedly mounted on an outer surface of the first shielding layer 3, a thickness of the buffer layer 4 is not less than five centimeters and not more than six centimeters, a second shielding layer 5 is fixedly mounted on an outer surface of the buffer layer 4, thicknesses of the first shielding layer 3 and the second shielding layer 5 are not less than two centimeters and not more than three centimeters, a compression-resistant layer 6 is fixedly mounted on an outer surface of the second shielding layer 5, and a high-elastic mixture 11 is filled in the compression-resistant layer 6, the compression-resistant ribs 12 are fixedly installed in the high-elastic mixed material 11, the number of the compression-resistant ribs 12 is not less than sixteen, the intervals between every two adjacent compression-resistant ribs 12 are equal, the diameter of each compression-resistant rib 12 is not less than four centimeters of zero and not more than five centimeters of zero, the compression-resistant mixed material is favorable for improving the compression resistance of an electric wire, the second flame-retardant layer 7 is fixedly installed on the outer surface of the compression-resistant layer 6, the thicknesses of the first flame-retardant layer 2 and the second flame-retardant layer 7 are not less than three centimeters of zero and not more than five centimeters of zero, the wear-resistant layer 8 is fixedly installed on the outer surface of the second flame-retardant layer 7, the thickness of the wear-resistant layer 8 is not less than one five centimeters of zero and not more than two centimeters of zero, the insulating sleeve 1 is internally filled with the insulating filler 9, and the lead 10 is fixedly installed in the insulating filler 9.

The working principle of the embodiment is as follows:

the fire-retardant layer 2 of first fire-retardant layer and second fire-retardant layer 7 can improve the fire behavior of electric wire, and first shielding layer 3 and second shielding layer 5 can improve the shielding property of electric wire, and buffer layer 4 and compressive layer 6 can improve the compressive property of electric wire, prevent that the inside shielding layer of electric wire from receiving external pressure when electric wire from receiving the destruction and losing effect, insulating boot 1 and insulating filler 9 can protect wire 10.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel shielded wire, includes insulating boot (1), its characterized in that: a compression-resistant shielding structure is arranged on the insulating sleeve (1);

the anti-compression shielding structure comprises a first flame retardant layer (2) fixedly mounted on the outer surface of an insulating sleeve (1), a first shielding layer (3) is fixedly mounted on the outer surface of the first flame retardant layer (2), a buffer layer (4) is fixedly mounted on the outer surface of the first shielding layer (3), a second shielding layer (5) is fixedly mounted on the outer surface of the buffer layer (4), an anti-compression layer (6) is fixedly mounted on the outer surface of the second shielding layer (5), a second flame retardant layer (7) is fixedly mounted on the outer surface of the anti-compression layer (6), a wear-resistant layer (8) is fixedly mounted on the outer surface of the second flame retardant layer (7), insulating filler (9) is filled in the insulating sleeve (1), and a wire (10) is fixedly mounted in the insulating filler (9).

2. A novel shielded electrical wire according to claim 1, wherein: the compression-resistant layer (6) is internally filled with a high-elastic mixture (11), compression-resistant ribs (12) are fixedly installed in the high-elastic mixture (11), the number of the compression-resistant ribs (12) is not less than sixteen, the distances between every two adjacent compression-resistant ribs (12) are equal, and the diameter of each compression-resistant rib (12) is not less than four centimeters and not more than five centimeters.

3. A novel shielded electrical wire according to claim 1, wherein: the thickness of the first flame-retardant layer (2) and the thickness of the second flame-retardant layer (7) are not lower than three centimeters and not greater than five centimeters.

4. A novel shielded electrical wire according to claim 1, wherein: the thicknesses of the first shielding layer (3) and the second shielding layer (5) are not lower than two centimeters of zero point and not more than three centimeters of zero point.

5. A novel shielded electrical wire according to claim 1, wherein: the thickness of the buffer layer (4) is not lower than five centimeters of zero point and not more than six centimeters of zero point.

6. A novel shielded electrical wire according to claim 1, wherein: the thickness of the wear-resistant layer (8) is not lower than one five centimeters at zero and not more than two centimeters at zero.