CN212694893U

CN212694893U - Anti-bending photoelectric composite cable

Info

Publication number: CN212694893U
Application number: CN202021941538.XU
Authority: CN
Inventors: 熊玮平; 郑更华; 廉进军
Original assignee: Shandong Xinke Kaibang Communication Equipment Co ltd
Current assignee: Shandong Xinke Kaibang Communication Equipment Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-03-12
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses an anti photoelectric composite cable of bending, including the cable core, cable core quantity sets up to a plurality of, and is a plurality of the cable core is annular permutation and distributes, the cable core outside is equipped with the insulating layer, insulating layer and cable core fixed connection, it is a plurality of be equipped with the optical cable cover between the cable core, it has the isolation layer to fill between optical cable cover and the insulating layer, the inside sleeve pipe that is equipped with of optical cable cover, be equipped with flexible connecting strip between sleeve pipe and the optical cable cover, flexible connecting strip both sides respectively with optical cable cover and sleeve pipe fixed connection, the outside cover of isolation layer is equipped with the inside lining inoxidizing coating. The utility model discloses a set up to a plurality of flexible connecting strips between optical cable cover and sleeve pipe, flexible connecting strip takes place to warp when sleeve pipe and optical cable cover are buckled, makes sleeve pipe buckle angle be less than the angle of buckling of optical cable cover to effectual protective sheath intraduct optic fibre sinle silk avoids optic fibre sinle silk to damage.

Description

Anti-bending photoelectric composite cable

Technical Field

The utility model relates to a photoelectric composite cable field, concretely relates to compound cable of anti crooked photoelectricity.

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, can solve the problems of broadband access, equipment power utilization and signal transmission, is suitable for being used in outdoor lines, electric instruments, telecommunication broadcasting, electronic equipment, automation and other lines, has excellent pressure resistance, is suitable for outdoor wiring projects such as overhead and pipeline laying and is suitable for being used in the lines such as the outdoor lines, the electric instruments, the telecommunication broadcasting, the electronic equipment, automation and the like, and is suitable for being used in various places such as cities and rural areas, such as markets, hotels and natural environment barriers, such as tourist attractions, expressways, farms and the like, and is suitable for being used for wiring by using the photoelectric composite cable.

At present, the composite cable needs to be bent according to a laid line in the laying process, the optical fibers in the composite cable are bent along with the composite cable, and when the bending angle is too large, the optical fibers in the composite cable are excessively bent to influence the signal transmission quality of the optical fibers.

Therefore, it is necessary to invent a bending-resistant optical/electrical composite cable to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anti photoelectric composite cable of bending through set up to a plurality of flexible connecting strip between optical cable cover and sleeve pipe, flexible connecting strip takes place to warp when sleeve pipe and optical cable cover buckle, makes sleeve pipe angle of buckling be less than the angle of buckling of optical cable cover to effectual protective sheath intraduct optic fibre sinle silk avoids optic fibre sinle silk to damage, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: a bending-resistant photoelectric composite cable comprises cable cores, wherein the number of the cable cores is multiple, the cable cores are distributed in an annular array, insulating layers are arranged outside the cable cores and fixedly connected with the cable cores, optical cable sleeves are arranged among the cable cores, isolating layers are filled between the optical cable sleeves and the insulating layers, sleeves are arranged inside the optical cable sleeves, flexible connecting strips are arranged between the sleeves and the optical cable sleeves, two sides of each flexible connecting strip are respectively and fixedly connected with the optical cable sleeves and the sleeves, lining protective layers are sleeved outside the isolating layers and fixedly connected with the isolating layers, waterproof layers are sleeved outside the lining protective layers and fixedly connected with the lining protective layers, metal reinforcing layers are sleeved outside the waterproof layers and fixedly connected with the waterproof layers, the metal reinforcing layer is sleeved with a sheath, and the sheath is fixedly connected with the metal reinforcing layer.

Preferably, the number of the flexible connecting strips is set to be a plurality, the flexible connecting strips are distributed in an annular array, and the flexible connecting strips are made of rubber materials.

Preferably, the sleeve is internally provided with a plurality of strands of optical fiber cores, and a fiber paste is filled between the sleeve and the optical fiber.

Preferably, the insulating layer and the optical fiber sleeve are both made of a PVC material, and the sleeve is made of a polyethylene material.

Preferably, the isolation layer is a PP rope, and the lining protective layer is formed by winding a mica tape.

Preferably, the waterproof layer is a water-blocking gauze belt coated outside the lining protective layer.

Preferably, the metal reinforcing layer is arranged as a steel wire mesh, and the sheath is made of a nitrile rubber material.

Preferably, the cable core is provided with a plurality of strands of copper wires.

In the technical scheme, the utility model provides a technological effect and advantage:

through set up to a plurality of flexible connection strip between optical cable cover and sleeve pipe, flexible connection strip takes place to warp when sleeve pipe and optical cable cover are buckled, makes sleeve pipe buckle angle be less than the buckle angle of optical cable cover to effectual protective sheath intraduct optic fibre sinle silk avoids optic fibre sinle silk to damage.

Drawings

For a clearer explanation of the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the structure of the part B of fig. 2 according to the present invention.

Description of reference numerals:

1 cable core, 2 insulating layers, 3 optical cable cover, 4 isolation layers, 5 sleeve pipes, 6 flexible connecting strips, 7 lining protective layers, 8 waterproof layers, 9 metal reinforcing layers, 10 sheaths and 11 optical fiber cores.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a bending-resistant photoelectric composite cable as shown in figures 1-4, which comprises a plurality of cable cores 1, wherein the number of the cable cores 1 is arranged into a plurality, a plurality of the cable cores 1 are distributed in an annular array, an insulating layer 2 is arranged outside the cable cores 1, the insulating layer 2 is fixedly connected with the cable cores 1, an optical cable sleeve 3 is arranged between a plurality of the cable cores 1, an isolating layer 4 is filled between the optical cable sleeve 3 and the insulating layer 2, a sleeve 5 is arranged inside the optical cable sleeve 3, a flexible connecting strip 6 is arranged between the sleeve 5 and the optical cable sleeve 3, two sides of the flexible connecting strip 6 are respectively fixedly connected with the optical cable sleeve 3 and the sleeve 5, an inner lining protective layer 7 is sleeved outside the isolating layer 4, the inner lining protective layer 7 is fixedly connected with the isolating layer 4, a waterproof layer 8 is sleeved outside the inner lining protective layer 7, waterproof layer 8 and inside lining inoxidizing coating 7 fixed connection, 8 outside covers of waterproof layer are equipped with metal back up coat 9, metal back up coat 9 and waterproof layer 8 fixed connection, 9 outside covers of metal back up coat are equipped with sheath 10, sheath 10 and metal back up coat 9 fixed connection.

Further, in the above technical solution, the number of the flexible connecting strips 6 is set to be a plurality, the plurality of flexible connecting strips 6 are distributed in an annular array, and the flexible connecting strips 6 are made of a rubber material.

Further, in the above technical solution, a plurality of optical fiber cores 11 are arranged inside the sleeve 5, and a fiber paste is filled between the sleeve 5 and the optical fiber.

Further, in the above technical solution, the insulating layer 2 and the optical fiber sheath are both made of PVC material, and the sleeve 5 is made of polyethylene material.

Further, in the above technical solution, the isolation layer 4 is a PP rope, and the lining protection layer 7 is formed by winding a mica tape.

Further, in the above technical solution, the waterproof layer 8 is a water-blocking yarn tape wrapped outside the lining protective layer 7.

Further, in the above technical solution, the metal reinforcing layer 9 is provided as a steel wire mesh, and the sheath 10 is made of a nitrile rubber material.

Further, in the above technical solution, the cable core 1 is provided with a plurality of strands of copper wires.

The implementation mode is specifically as follows: when the utility model is used, when the laid composite cable is bent, the optical cable sleeve 3 inside the composite cable is bent, the sleeve 5 inside the optical cable sleeve 3 and the optical fiber cores 11 inside the sleeve 5 are bent, the flexible connecting strips 6 are arranged between the optical cable sleeve 3 and the sleeve 5, when the sleeve 5 and the optical cable sleeve 3 are bent, the flexible connecting strips 6 deform to make the bending angle of the sleeve 5 smaller than that of the optical cable sleeve 3, so that the optical fiber cores 11 inside the protective sleeve 10 and the sleeve 5 are effectively protected, the optical fiber cores 11 are prevented from being damaged, the adjacent cable cores 1 can be isolated by arranging the insulating layer 2 and the filling layer, the mica tape inner liner layer can effectively resist flame and fire, the fireproof effect of the composite cable is improved, the water-blocking and waterproof effects can be realized by arranging the water-blocking yarn tape waterproof layer 8, the waterproof effect of the composite cable is improved, and by arranging the steel wire mesh metal reinforcing layer 9, the strength of the composite cable is improved, the water blocking yarn belt is protected, the water blocking yarn belt is prevented from being damaged, the problem that the signal transmission quality of optical fibers is affected due to the fact that the optical fibers inside the composite cable are excessively bent when the bending angle is too large due to the fact that the optical fibers are also bent in the bending process of the composite cable in the prior art is solved.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, by setting up a plurality of flexible connecting strips 6 between the optical cable sleeve 3 and the sleeve 5, the flexible connecting strips 6 deform when the sleeve 5 and the optical cable sleeve 3 are bent, so that the bending angle of the sleeve 5 is smaller than that of the optical cable sleeve 3, thereby effectively protecting the optical fiber core 11 inside the sleeve 10 pipe 5, and avoiding the damage of the optical fiber core 11, by setting up a mica tape inner liner, the composite cable can be effectively flame-retardant and fireproof, thereby improving the fireproof effect of the composite cable, by setting up a water-blocking tape waterproof layer 8, water blocking and waterproofing can be realized, the waterproof effect of the composite cable is improved, by setting up a steel wire mesh metal reinforced layer 9, the strength of the composite cable is improved, meanwhile, the water-blocking.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a compound cable of anti crooked photoelectricity, includes cable core (1), its characterized in that: the cable core (1) is arranged in a plurality of numbers, the cable cores (1) are distributed in an annular array, the insulating layer (2) is arranged outside the cable core (1), the insulating layer (2) is fixedly connected with the cable cores (1), an optical cable sleeve (3) is arranged between the cable cores (1), an isolating layer (4) is filled between the optical cable sleeve (3) and the insulating layer (2), a sleeve (5) is arranged inside the optical cable sleeve (3), a flexible connecting strip (6) is arranged between the sleeve (5) and the optical cable sleeve (3), two sides of the flexible connecting strip (6) are respectively fixedly connected with the optical cable sleeve (3) and the sleeve (5), a lining protective layer (7) is sleeved outside the isolating layer (4), the lining protective layer (7) is fixedly connected with the isolating layer (4), and a lining waterproof layer (7) is sleeved outside the lining protective layer (8), waterproof layer (8) and inside lining inoxidizing coating (7) fixed connection, the outside cover of waterproof layer (8) is equipped with metal back up coat (9), metal back up coat (9) and waterproof layer (8) fixed connection, the outside cover of metal back up coat (9) is equipped with sheath (10), sheath (10) and metal back up coat (9) fixed connection.

2. The bend-resistant optical-electrical composite cable of claim 1, wherein: the number of the flexible connecting strips (6) is set to be a plurality of, a plurality of the flexible connecting strips (6) are distributed in an annular array, and the flexible connecting strips (6) are made of rubber materials.

3. The bend-resistant optical-electrical composite cable of claim 1, wherein: the optical fiber cable is characterized in that a plurality of strands of optical fiber cable cores (11) are arranged inside the sleeve (5), and fiber paste is filled between the sleeve (5) and the optical fiber cable.

4. The bend-resistant optical-electrical composite cable of claim 1, wherein: the insulating layer (2) and the optical fiber sleeve are both made of PVC materials, and the sleeve (5) is made of polyethylene materials.

5. The bend-resistant optical-electrical composite cable of claim 1, wherein: the isolation layer (4) is a PP rope, and the lining protective layer (7) is formed by winding a mica tape.

6. The bend-resistant optical-electrical composite cable of claim 1, wherein: the waterproof layer (8) is a water-blocking gauze belt coated outside the lining protective layer (7).

7. The bend-resistant optical-electrical composite cable of claim 1, wherein: the metal reinforcing layer (9) is arranged as a steel wire mesh, and the sheath (10) is made of a nitrile rubber material.

8. The bend-resistant optical-electrical composite cable of claim 1, wherein: the cable core (1) is provided with a plurality of strands of copper wires.