CN214336380U

CN214336380U - Non-insulation extrusion multi-core floating cable

Info

Publication number: CN214336380U
Application number: CN202120356410.5U
Authority: CN
Inventors: 袁雨佳
Original assignee: Suzhou Dianhang Electronic Technology Co ltd
Current assignee: Suzhou Dianhang Electronic Technology Co ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-10-01
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses an insulating multicore floating cable of extruding comprises conductor and linear low density polyethylene sheath, linear low density polyethylene sheath cross-section includes annular portion and many chamber portions, many chamber portions that separate include the cavity that a plurality of mutual partitions and constitute the skeleton of cavity, the skeleton with annular portion integrated into one piece, the conductor is followed the circumference interval of annular portion imbed in annular portion, the cavity is followed the axial extension that the insulating multicore floating cable of extruding constitutes a plurality of passageways. The utility model discloses cable structure is simple, and is small to can provide liquid transfer passage and guarantee the showy performance.

Description

Non-insulation extrusion multi-core floating cable

Technical Field

The utility model relates to a floating cable especially relates to a multicore floating cable is extruded to nothing insulation.

Background

Most of existing floating cables are of multi-core insulation, cabling and sheath structures, and in order to enable the cables to work normally in water and guarantee floating force, a thick floating layer is added in the cables, so that the cables are large in size. Although the cables with the structure are common and mature in production, the cables with the structure have long production period, large loss and heavy wires. Especially when the cable is also used for providing other liquid conveying functions such as cleaning agent and lubricating liquid, a liquid circulation channel needs to be additionally reserved inside the cable, and the size of the cable is further increased.

SUMMERY OF THE UTILITY MODEL

To the defect of above-mentioned prior art, the utility model provides a multicore floating cable is extruded to no insulation reduces floating cable volume and satisfies the liquid transport demand.

The utility model discloses technical scheme as follows: the utility model provides an insulating multicore floating cable of extruding, comprises conductor and linear low density polyethylene sheath, linear low density polyethylene sheath cross-section includes annular portion and many compartment portion, many compartment portion include a plurality of cavities that separate each other and constitute the skeleton of cavity, the skeleton with annular portion integrated into one piece, the conductor is followed the circumference interval embedding of annular portion in annular portion, the cavity is followed the axial extension that the insulating multicore floating cable of extruding constitutes a plurality of passageways.

Preferably, the conductors are located at circumferentially equally spaced positions of the annular portion.

Preferably, the number of cavities is not less than three.

Preferably, the cavities are arranged in a sector shape.

Preferably, the skeleton is radially arranged in the radial direction of the multiple cavity parts, and the areas of the cavities are equal.

The utility model provides a technical scheme's advantage lies in:

the low-density cable directly adopts the low-density insulating sheath outside the conductor, removes an insulating layer, a cabling layer and a floating layer, has relatively small volume, can be formed in one step, has short production period, and simultaneously has simple production procedures, only needs to axially lead in the conductor when the sheath is extruded and formed, and reduces the loss during production. The multiple cavity parts in the cable are arranged partially, on one hand, the framework structure is utilized to form support for the annular part, extrusion deformation of the cable is reduced, on the other hand, multiple hollow channels are formed, the cable can be used for conveying cleaning agents, lubricating liquid and the like along with the cable, and the floating performance of the cable is guaranteed.

Drawings

Fig. 1 is a schematic cross-sectional view of an uninsulated extruded multi-core buoyant cable according to an embodiment.

Detailed Description

The present invention is further described in connection with the following examples, which are intended to illustrate the invention and not to limit the scope of the invention, which, after reading the present invention, are intended to cover modifications of the invention in its various equivalent forms by those skilled in the art, which fall within the scope of the appended claims.

Referring to fig. 1, the non-insulated extruded multi-core floating cable according to the present embodiment includes a conductor 2 and a linear low density polyethylene sheath 1, which does not include a separate insulating layer and a separate sheath layer, and the linear low density polyethylene sheath 1 serves as both an insulating layer and a sheath. The linear low density polyethylene sheath 1 is circular in cross section and includes an annular portion 11 and a multi-lumen portion 12. The multi-cavity part 12 is located in the center of the annular part 11, the multi-cavity part 12 comprises a plurality of mutually partitioned cavities 12a and skeletons 12b forming the cavities 12a, and the skeletons 12b and the annular part 11 are extruded and integrally molded at the same time. The skeleton 12b is radially disposed in the radial direction of the multiple-chamber portion 12, and forms at least two cavities 12 a. The cavities 12a are arranged in a fan shape, and the areas of the cavities 12a are equal. In this way, these cavities 12a form channels in the axial extension of the uninsulated extruded multi-core buoyant cable. The channels are used for conveying cleaning agent and lubricating liquid along with the cable, and at least two cavities 12a can ensure that at least one channel is provided for conveying the liquid, and the other channel is kept in an air-permeable state, so that the whole cable is ensured to be less dense than water and float. When the linear low-density polyethylene sheath 1 is extruded, the conductors 2 with different specifications are uniformly and linearly dragged into the linear low-density polyethylene sheath 1, are positioned in the annular part 11 and are uniformly arranged at intervals at equal intervals in the circumferential direction of the annular part 11. Utilize linear low density polyethylene sheath 1 to realize insulating effect, owing to do not need independent insulating layer and restrictive coating, consequently linear low density polyethylene sheath 1's 11 thickness of annular portion can be greater than the insulation thickness of traditional cable in order to guarantee cable compressive strength, cooperates radial skeleton 12b structure simultaneously, can guarantee certain mechanical strength when constituting hollow structure, guarantees the cable performance.

Claims

1. The utility model provides an uninsulation extrudes multicore floating cable which characterized in that comprises conductor and linear low density polyethylene sheath, linear low density polyethylene sheath cross-section includes annular portion and many compartment portion, many compartment portion include a plurality of mutual separated cavity and constitute the skeleton of cavity, the skeleton with annular portion integrated into one piece, the conductor is followed the circumference interval embedding of annular portion in annular portion, the cavity is followed the axial extension that uninsulation extruded multicore floating cable constitutes a plurality of passageways.

2. The uninsulated extruded multicore buoyant cable of claim 1, wherein the conductors are located at circumferentially equidistant positions of the annular section.

3. The uninsulated extruded multicore buoyant cable of claim 1, wherein the cavities are not less than three.

4. The uninsulated extruded multicore buoyant cable of claim 3, wherein the cavities are arranged in a fan shape.

5. The uninsulated extruded multicore buoyant cable of claim 3, wherein the skeletal frame is radially disposed about the plurality of cavities, each of the cavities having an equal area.