CN216118108U

CN216118108U - Compression-resistant water-blocking type aluminum-plastic composite optical cable

Info

Publication number: CN216118108U
Application number: CN202121005082.0U
Authority: CN
Inventors: 贾文章
Original assignee: Jiangsu Xibei Electronic Network Co ltd
Current assignee: Jiangsu Xibei Electronic Network Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-03-22
Anticipated expiration: 2031-05-11

Abstract

The utility model provides a compression-resistant water-blocking type aluminum-plastic composite optical cable which comprises a cable body, wherein the cable body sequentially comprises an aluminum-plastic composite layer, a compression-resistant layer, an anti-interference layer, a flame-retardant layer and a tensile layer from inside to outside, a central reinforcing rib is arranged at the middle position inside the cable body, the central reinforcing rib is a super-poly-pulling rope, six optical cable tubes are annularly arranged outside the central reinforcing rib, and a plurality of compression-resistant sheets are annularly connected outside the cable body at intervals. According to the utility model, the mode that rubber deformation in the compression-resistant layer fills the intermittent hollow ring and the elastic deformation acting force of the compression-resistant sheet per se are adopted, so that the external pressure applied to the device in the use process is absorbed and eliminated, the electricity leakage or water inflow of the device in the use process is avoided through the waterproof and insulating characteristics of the aluminum-plastic composite layer, and the tensile resistance and the folding resistance of the optical cable are effectively improved through the fact that the tensile layer is the tough copper wire braided layer and the central reinforcing rib is the Tedola nylon wire rope.

Description

Compression-resistant water-blocking type aluminum-plastic composite optical cable

Technical Field

The utility model mainly relates to the technical field of composite optical cables, in particular to a compression-resistant water-blocking type aluminum-plastic composite optical cable.

Background

The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission.

According to the aluminum-plastic composite multilayer armored optical cable provided by the patent document (publication No. CN210572936U), the cable comprises a cable body, the cable body comprises an aluminum-plastic sheath, an armor layer and a cable core, the cable core is wrapped with an inner protection layer and an outer protection layer, the outer protection layer is wrapped with the outer protection layer, the armor layer is wrapped with the outer wall of the outer protection layer, the aluminum-plastic sheath is wrapped with the outer portion of the armor layer, the cable core comprises an insulating sleeve, a cable core filler, a central reinforced core and optical fibers, the optical fibers are provided with a plurality of groups, the optical fibers are wound on the periphery of the central reinforced core, the optical fibers are arranged in the insulating sleeve, the central reinforced core is arranged in the cable body, the strength of the optical cable is improved by the central reinforced core, and meanwhile, as the core body and silica gel are arranged in the central reinforced core, the silica gel is wrapped on the outer portion of the core body, the outer portion of the central reinforced core has plasticity, the optical fibers may form matching grooves in the outer wall of the central strength member to provide a tighter connection between the central strength member and the optical fibers.

The existing composite optical cable is easy to be subjected to extrusion bending in the using process, the protective layer is easy to break, the waterproof sealing performance is poor, and certain hidden dangers exist.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a compression-resistant water-blocking type aluminum-plastic composite optical cable which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a resistance to compression formula plastic-aluminum composite optical cable that blocks water, includes the cable body, the cable body is by interior plastic-aluminum composite bed, anti-pressure layer, jam-proof layer, fire-retardant layer and tensile layer outside to in proper order, the internal intermediate position of cable is provided with central strengthening rib, central strengthening rib is the special many dragline ropes, the outside ring arrangement of central strengthening rib has six optical cable pipes, the outside of the cable body is the interval ring and is connected with a plurality of resistance to compression thin slices.

Preferably, the compression-resistant sheet is a semicircular plastic sheet to absorb pressure when the optical cable is subjected to external pressure.

Preferably, the anti-pressure layer is the rubber layer, and inside is provided with the hollow ring of discontinuous to when the optical cable received great external pressure, rubber takes place to deform and fills up hollow ring, avoids pressure conduction to the optical cable inside.

Preferably, the anti-interference layer is an aluminum foil layer, and the anti-interference layer is the aluminum foil layer, so that interference during signal transmission is avoided.

Preferably, the flame retardant layer is a nano clay layer, so that the flame retardance and the heat resistance of the optical cable are improved.

Preferably, the tensile layer is a tough copper wire braided layer, so that the tensile property of the optical cable is improved, and the optical fiber and the conductive copper body are prevented from being broken.

Preferably, the optical cable tube comprises a loose tube, the loose tube is filled with fiber paste, and four optical fibers are annularly connected to the interior of the loose tube, so that the service life of the optical cable is prolonged.

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

in the use, through the mode that rubber deformation filled the hollow ring of discontinuous in the compressive layer, and the elastic deformation effort of resistance to compression thin slice self, make the external pressure that the device received in the use absorbed and dispelled, through the waterproof insulating property of plastic-aluminum composite bed self, the condition of avoiding the device to leak electricity or intake in the use takes place, be many dragline ropes for specially through the tensile layer for tough copper silk weaving layer and central strengthening rib, effectively promote the tensile resistance of optical cable, avoided optic fibre and conductive copper integument to break.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the cable body of the present invention;

FIG. 3 is a schematic front sectional view of the present invention;

fig. 4 is an enlarged view of region a in fig. 1.

In the figure: 1. a cable body; 11. an aluminum-plastic composite layer; 12. a pressure resistant layer; 13. an interference prevention layer; 14. a flame retardant layer; 15. a tensile layer; 2. a fiber optic cable tube; 21. an optical fiber; 22. fiber paste; 23. loosening the sleeve; 3. a central reinforcing rib; 4. a compression resistant sheet.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 heavily, a compression-resistant water-blocking type aluminum-plastic composite optical cable comprises a cable body 1, wherein the cable body 1 sequentially comprises an aluminum-plastic composite layer 11, a compression-resistant layer 12, an anti-interference layer 13, a flame-retardant layer 14 and a tensile layer 15 from inside to outside, the compression-resistant layer 12 is a rubber layer and is internally provided with an interrupted hollow ring, so that when the optical cable is subjected to a large external pressure, rubber is deformed to fill the hollow ring and prevent the pressure from being transmitted into the optical cable, the anti-interference layer 13 is an aluminum foil layer, so that interference during signal transmission is avoided, the flame-retardant layer 14 is a nano clay layer, so that flame retardance and heat resistance of the optical cable are improved, the tensile layer 15 is a tough copper wire braided layer, so that tensile property of the optical cable is improved, an optical fiber 21 and a conductive copper body are prevented from being broken, a central reinforcing rib 3 is arranged at a middle position inside the cable body 1, the utility model discloses a cable body, including central strengthening rib 3, six optical cable pipes 2 are arranged to the outside annular of central strengthening rib 3, optical cable pipe 2 includes loose sleeve 23, the inside packing of loose sleeve 23 has fine cream 22, the inside annular of loose sleeve 23 is connected with four optic fibre 21 to promote the life of optical cable, the outside of the cable body 1 is a spaced ring junction and has a plurality of resistance to compression thin slice 4, resistance to compression thin slice 4 is semi-circular plastic thin slice, thereby absorbs pressure when the optical cable receives external pressure and eliminates.

The specific operation mode of the utility model is as follows:

in the use, through the mode that rubber deformation filled the hollow ring of discontinuous in anti-pressure layer 12, and the elastic deformation effort of resistance to compression thin slice 4 self, make the external pressure that the device received in the use absorbed and disappear, through the waterproof insulation characteristic of 11 self of aluminum-plastic composite layer, the condition of avoiding the device to leak electricity or intake in the use takes place, be the aluminium foil layer through anti-interference layer 13, receive the interference when having avoided transmission signal, be the nanometer clay layer through fire-retardant layer 14, the fire resistance and the heat resistance of optical cable have been promoted, be tough copper silk weaving layer and central strengthening rib 3 for specially many stay cords through tensile layer 15, effectively promote the tensile resistance folding resistance of optical cable, optical fiber 21 and conductive copper integument have been avoided being pulled apart.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a resistance to compression formula plastic-aluminum composite optical cable that blocks water, includes the cable body (1), its characterized in that, the cable body (1) is by interior to outer plastic-aluminum composite bed (11), resistance to compression layer (12), jam-proof layer (13), fire-retardant layer (14) and tensile layer (15) in proper order, the intermediate position of the inside of the cable body (1) is provided with central strengthening rib (3), central strengthening rib (3) are the special many draglines of silk, the outside ring arrangement of central strengthening rib (3) has six optical cable pipes (2), the outside of the cable body (1) is the interval formula annular and is connected with a plurality of resistance to compression thin slices (4).

2. The compression-resistant water-blocking type aluminum-plastic composite optical cable as claimed in claim 1, wherein the compression-resistant sheet (4) is a semicircular plastic sheet.

3. The compression-resistant water-blocking type aluminum-plastic composite optical cable as claimed in claim 1, wherein the compression-resistant layer (12) is a rubber layer and is internally provided with an intermittent hollow ring.

4. The compression-resistant water-blocking type aluminum-plastic composite optical cable as claimed in claim 1, wherein the interference-proof layer (13) is an aluminum foil layer.

5. The compression-resistant water-blocking type aluminum-plastic composite optical cable as claimed in claim 1, wherein the flame-retardant layer (14) is a nano clay layer.

6. The compression-resistant water-blocking type aluminum-plastic composite optical cable as claimed in claim 1, wherein the tensile layer (15) is a tough copper wire braided layer.

7. The compression-resistant water-blocking type aluminum-plastic composite optical cable according to claim 1, wherein the optical cable tube (2) comprises a loose tube (23), the interior of the loose tube (23) is filled with fiber paste (22), and four optical fibers (21) are annularly connected to the interior of the loose tube (23).