CN219958570U

CN219958570U - Flattened composite multi-core cable

Info

Publication number: CN219958570U
Application number: CN202321330765.2U
Authority: CN
Inventors: 黄初林; 陈然兵
Original assignee: King Kong Cable Industry Co ltd
Current assignee: King Kong Cable Industry Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-11-03
Anticipated expiration: 2033-05-29

Abstract

The utility model discloses a flattened composite multi-core cable, which comprises a cable body, wherein the cable body is of a flat ribbon-shaped structure, the cable body comprises a cable core layer, a first wrapping layer is wrapped outside the cable core layer, a compression-resistant layer is arranged outside the wrapping layer, a second wrapping layer is arranged outside the compression-resistant layer, and an outer sheath layer is arranged outside the second wrapping layer; the cable core layer comprises a plurality of core wires which are transversely arranged in parallel and an insulating layer which is coated outside the core wires which are transversely arranged, the outer sheath layer comprises a high-density polyethylene inner layer and a high-density polyethylene outer layer, and a high-silica glass fiber layer and a halogen-free low-smoke polyolefin layer are compounded between the high-density polyethylene inner layer and the high-density polyethylene outer layer.

Description

Flattened composite multi-core cable

Technical Field

The utility model relates to the technical field of cables, in particular to a flattened composite multi-core cable.

Background

The structure of the conventional cable comprises an outer skin, a shielding layer, an insulating layer and a conductor which are coaxially coated from outside to inside in sequence; in use, high frequency signals are transmitted through the conductors of the coaxial cable, with signal currents flowing centrally on the conductor surfaces. The properties of the conductor surface material thus directly determine the transmission properties of the cable. In the prior art, round cables are mostly adopted, but the round cables have smaller bending amplitude, larger occupied space and higher cost, so that a flattened cable is needed to solve the problems.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to provide a flattened composite multi-core cable, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the flat composite multi-core cable comprises a cable body, wherein the cable body is of a flat ribbon-shaped structure, the cable body comprises a cable core layer, a first wrapping belt layer is wrapped outside the cable core layer, a compression-resistant layer is arranged outside the wrapping belt layer, a second wrapping belt layer is arranged outside the compression-resistant layer, and an outer sheath layer is arranged outside the second wrapping belt layer; the cable core layer comprises a plurality of core wires which are transversely arranged in parallel and an insulating layer which is coated outside the core wires which are transversely arranged.

Preferably, the flat composite multi-core cable provided by the utility model is characterized in that the compression-resistant layer comprises a soft steel wire bearing layer, and the outer side of the soft steel wire bearing layer is coated with a conductor braiding layer.

Preferably, the first tape layer and the second tape layer are both polytetrafluoroethylene tape layers.

Preferably, the flat composite multi-core cable provided by the utility model is characterized in that the outer sheath layer comprises a high-density polyethylene inner layer and a high-density polyethylene outer layer, and a high-silica glass fiber layer and a halogen-free low-smoke polyolefin layer are composited between the high-density polyethylene inner layer and the high-density polyethylene outer layer.

Preferably, the utility model provides a flattened composite multi-core cable, wherein 2-5 core wires are arranged.

Preferably, the flat composite multi-core cable provided by the utility model is characterized in that the insulating layer is made of ethylene propylene rubber.

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

(1) The utility model has novel structural design, has excellent insulation, impact resistance and compression resistance, is suitable for the field of multi-bending, is not easy to break and has long service life.

(2) The compression-resistant layer adopted by the utility model improves the flexibility and the current-carrying capacity of the cable, and increases the safety of the cable in torsion and bending use.

(3) The outer sheath layer adopted by the utility model has excellent fireproof, flame-retardant, insulating, ageing-resistant and high-temperature-resistant properties, and effectively protects the whole cable.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a compressive layer of the present utility model;

FIG. 3 is a cross-sectional view of an outer jacket layer of the present utility model;

in the figure: the cable comprises a cable body 1, a cable core layer 2, a first wrapping layer 3, a compression resistant layer 4, a second wrapping layer 5, an outer sheath layer 6, a core wire 7, an insulating layer 8, a soft steel wire bearing layer 9, a conductor braiding layer 10, a high-density polyethylene inner layer 12, a high-density polyethylene outer layer 13, a high silica glass fiber layer 14 and a halogen-free low-smoke polyolefin layer 15.

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. 1-3, the present utility model provides a technical solution: the flat composite multi-core cable comprises a cable body 1, wherein the cable body 1 is of a flat ribbon-shaped structure, the cable body 1 comprises a cable core layer 2, a first wrapping layer 3 is wrapped on the outer side of the cable core layer 2, a compression-resistant layer 4 is arranged on the outer side of the first wrapping layer 3, a second wrapping layer 5 is arranged on the outer side of the compression-resistant layer 4, and an outer sheath layer 6 is arranged on the outer side of the second wrapping layer 5; the cable core layer 2 comprises a plurality of core wires 7 which are transversely arranged in parallel and an insulating layer 8 which is coated outside the core wires 7 which are transversely arranged, wherein 2-5 core wires 7 are arranged, and the insulating layer 8 is made of ethylene propylene rubber materials.

In the utility model, the compression-resistant layer 4 comprises a soft steel wire bearing layer 9, and a conductor woven layer 10 is coated on the outer side of the soft steel wire bearing layer 9. The compression-resistant layer adopted by the utility model improves the flexibility and the current-carrying capacity of the cable, and increases the safety of the cable in torsion and bending use.

In the utility model, the first belt layer 3 and the second belt layer 5 are both polytetrafluoroethylene belt layers. The two wrapping tape layers are arranged, so that the toughness of the cable can be further improved.

In addition, in the present utility model, the outer sheath layer 6 comprises a high-density polyethylene inner layer 12 and a high-density polyethylene outer layer 13, and a high-silica glass fiber layer 14 and a halogen-free low-smoke polyolefin layer 15 are compounded between the high-density polyethylene inner layer 12 and the high-density polyethylene outer layer 13. The outer sheath layer adopted by the utility model has excellent fireproof, flame-retardant, insulating, ageing-resistant and high-temperature-resistant properties, and effectively protects the whole cable.

In conclusion, the novel insulating cable has novel structural design, has excellent insulating, impact-resistant and compression-resistant performances, is suitable for the field of multi-bending, is not easy to break, and has long service life.

The circuit, the electronic components and the modules are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a compound multicore cable of flattening, includes cable body (1), its characterized in that: the cable body (1) is of a flat ribbon-shaped structure, the cable body (1) comprises a cable core layer (2), a first wrapping layer (3) is wrapped on the outer side of the cable core layer (2), a compression-resistant layer (4) is arranged on the outer side of the first wrapping layer (3), a second wrapping layer (5) is arranged on the outer side of the compression-resistant layer (4), and an outer sheath layer (6) is arranged on the outer side of the second wrapping layer (5); the cable core layer (2) comprises a plurality of core wires (7) which are transversely arranged in parallel and an insulating layer (8) which is coated outside the core wires (7) which are transversely arranged.

2. A flattened composite multi-core cable as recited in claim 1 wherein: the compression-resistant layer (4) comprises a soft steel wire bearing layer (9), and a conductor braiding layer (10) is coated on the outer side of the soft steel wire bearing layer (9).

3. A flattened composite multi-core cable as recited in claim 1 wherein: the first strap layer (3) and the second strap layer (5) are made of polytetrafluoroethylene strap layers.

4. A flattened composite multi-core cable as recited in claim 1 wherein: the outer sheath layer (6) comprises a high-density polyethylene inner layer (12) and a high-density polyethylene outer layer (13), and a high-silica glass fiber layer (14) and a halogen-free low-smoke polyolefin layer are compounded between the high-density polyethylene inner layer (12) and the high-density polyethylene outer layer (13).

5. A flattened composite multi-core cable as recited in claim 1 wherein: 2-5 core wires (7) are arranged.

6. A flattened composite multi-core cable as recited in claim 1 wherein: the insulating layer (8) is made of ethylene propylene rubber material.