CN210349415U

CN210349415U - Composite cable for strengthening protection

Info

Publication number: CN210349415U
Application number: CN201921321431.2U
Authority: CN
Inventors: 王世友
Original assignee: Shenyang Rende Technology Co Ltd
Current assignee: Shenyang Rende Technology Co Ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-04-17
Anticipated expiration: 2029-08-15

Abstract

A composite cable for strengthening protection belongs to the technical field of optical cable lines. The composite cable for reinforcing protection comprises an outer protective layer, the outer wall of the outer protective layer is sleeved with a protective outer sleeve, the inner side wall of the outer protective layer is fixedly connected with a reinforcing layer, a steel wire mesh grid is filled between the reinforcing layer and the outer protective layer, the inner side wall of the reinforcing layer is fixedly connected with the elastic layer, the inner wall of the elastic layer is fixedly connected with the elastic filling core, the optical fiber cable core and the power cable core are simultaneously arranged in the protective outer sleeve, and the outer walls of the optical fiber wire core and the electric power wire core are provided with a reinforcing layer, a steel wire mesh grid and an anti-torsion connecting strip, so that the protection of the two wire cores is enhanced, meanwhile, the anti-torsion connecting strips and the reinforcing ribs are arranged in the elastic filling core to reduce the easily caused breakage of the wire core and the interruption of communication, the wire cores are protected through various direct and indirect strengthening modes, the service life is prolonged, and meanwhile, the transmission efficiency is improved.

Description

Composite cable for strengthening protection

Technical Field

The utility model relates to an optical cable art field, in particular to strengthen composite cable for protection.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic sheath, and has no metal such as gold, silver, copper and aluminum, and generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers according to a certain mode to form a cable core, is coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. With the continuous development of modern networks, basic living consumers and entertainment can be paid for and obtained through the networks, so that network construction is also in the wake, and optical cable tapping points are more and more increased along with the increase of the distribution density in the construction of the networks. The common users respectively introduce the optical cable and the cable into the user terminal, so that limited pipeline resources are occupied, and meanwhile, when the pipeline is laid, the pipeline is long, the generated friction force is large, the installation is time-consuming and labor-consuming, the common photoelectric mixed cable is connected together through a connecting belt and is easy to fall off, and the core of the optical cable and the core of the cable are hard and brittle, the bending strength is low, and the optical cable and the core of the cable are easy to break to cause communication interruption; the protection measures for the cable core are usually only simple steel pipe protection, but the part of the house-entry optical fiber without the steel pipe is easy to break.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a composite cable for strengthening protection, which comprises an outer protective layer, a protective outer sleeve is sleeved on the outer wall of the outer protective layer, the inner side wall of the outer protective layer is fixedly connected with a reinforcing layer, a steel wire mesh grid is filled between the reinforcing layer and the outer protective layer, the inner side wall of the reinforcing layer is fixedly connected with an elastic layer, the inner wall of the elastic layer is fixedly connected with an elastic filling core, the center of the elastic filling core is provided with a groove, the center of the groove is provided with a first through hole, the center of the first through hole is spliced with an optical fiber core, the periphery of the groove is provided with second through holes, the center of each second through hole is spliced with an electric power core, an anti-torsion connecting strip is fixedly installed between the side wall of the groove and the elastic layer, at least one reinforcing rib is fixedly connected on the inner wall of the, and each reinforcing rib is positioned at both sides of the torsion resistant connecting bar.

As a further improvement of the utility model, the outer wall of the protective outer sleeve is fixedly connected with a concave pad.

As a further improvement of the utility model, the enhancement layer includes first strengthening rib and second strengthening rib, and first strengthening rib and second strengthening rib central symmetry intercrossing connection.

As a further improvement, the outer wall of the optical fiber core is sleeved with a shielding layer, and the outer wall of the shielding layer is sleeved with a first waterproof layer.

As a further improvement, the outer wall of the power line core is sleeved with an electromagnetic shielding layer, and the outer wall of the electromagnetic shielding layer is sleeved with a second waterproof layer.

As a further improvement of the utility model, the electromagnetic shielding layer is specifically an aluminum foil shielding layer.

As a further improvement of the utility model, the reinforcing rib is an arc-shaped reinforcing rib.

As a further improvement of the utility model, the outer wall of the first waterproof layer is coated with a polyethylene coating.

As a further improvement of the utility model, water-blocking ointment is coated between the elastic layer and the elastic filling core.

Has the advantages that: the utility model discloses an install optic fibre sinle silk and electric power sinle silk simultaneously in the inside of protective sheath to at optic fibre sinle silk and electric power sinle silk's outer wall installation enhancement layer, steel wire mesh grid and antitorque connecting strip, strengthened the protection to two kinds of sinle silks, reduce the sinle silk fracture that causes easily through installing antitorque connecting strip and stiffening rib in elasticity filling core simultaneously, cause the interrupt of communication, protect the sinle silk through multiple direct and indirect enhancement mode, and increase of service life improves transmission efficiency simultaneously.

Drawings

Fig. 1 is a schematic structural view of a fixing and protecting device for an optical cable according to the present invention;

fig. 2 is an enlarged schematic view of a position a of the fixing and protecting device for an optical cable according to the present invention.

1. Outer inoxidizing coating, 2, protective coat, 3, concave pad, 4, elastic layer, 5, enhancement layer, 501, first strengthening rib, 502, second strengthening rib, 6, steel wire mesh grid, 7, recess, 8, elasticity filling core, 9, antitorque connecting strip, 10, stiffening rib, 11, first waterproof layer, 12, shielding layer, 13, optical fiber core, 14, second waterproof layer, 15, electromagnetic shield, 16, the electric power sinle silk.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

The composite cable for reinforcing protection comprises an outer protection layer 1, a protection jacket 2 is sleeved on the outer wall of the outer protection layer 1, for better increasing friction force, a concave pad 3 is fixedly connected to the outer wall of the protection jacket 2, a reinforcing layer 5 is fixedly connected to the inner side wall of the outer protection layer 1, the reinforcing layer 5 comprises a first reinforcing rib 501 and a second reinforcing rib 502, the first reinforcing rib 501 and the second reinforcing rib 502 are in central symmetry and are in cross connection, a steel wire mesh grid 6 is filled between the reinforcing layer 5 and the outer protection layer 1, the steel wire mesh grid 6 is firm and durable in structure, an elastic layer 4 is fixedly connected to the inner side wall of the reinforcing layer 5, an elastic filling core 8 is fixedly connected to the inner wall of the elastic layer 4, water blocking ointment is coated between the elastic filling core 4 and the elastic filling core 8, and a groove 7 is formed in the center of the elastic filling, the center of the groove 7 is provided with a first through hole, the center of the first through hole is inserted with an optical fiber core 13, the outer wall of the optical fiber core 13 is sleeved with a shielding layer 12, the outer wall of the shielding layer 12 is sleeved with a first waterproof layer 11, the periphery of the groove 7 is provided with second through holes, the center of each second through hole is inserted with a power core 16, the outer wall of the power core 16 is sleeved with an electromagnetic shielding layer 15, the electromagnetic shielding layer 15 is specifically an aluminum foil shielding layer, the outer wall of the electromagnetic shielding layer 15 is sleeved with a second waterproof layer 14, the outer wall of the first waterproof layer 11 is coated with a polyethylene coating, an anti-torsion connecting strip 9 is fixedly arranged between the side wall of the groove 7 and the elastic layer 4, when the utility model is extruded by external force, the anti-torsion connecting strip 9 can be twisted and deformed to relieve and buffer the pressure brought by the external force, at least 6 reinforcing ribs 10 are fixedly connected to the inner wall of the elastic filling core 8, each reinforcing rib 10 is located on each side of the anti-torsion connecting bar 9, each reinforcing rib 10 is an arc-shaped reinforcing rib, the contact area of the arc-shaped reinforcing ribs can be better increased, and external extrusion force is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a strengthen composite cable for protection, strengthen composite cable for protection includes outer inoxidizing coating (1), its characterized in that: the outer wall of the outer protective layer (1) is sleeved with a protective outer sleeve (2), the inner side wall of the outer protective layer (1) is fixedly connected with a reinforcing layer (5), a steel wire woven mesh (6) is filled between the reinforcing layer (5) and the outer protective layer (1), the inner side wall of the reinforcing layer (5) is fixedly connected with an elastic layer (4), the inner wall of the elastic layer (4) is fixedly connected with an elastic filling core (8), a groove (7) is formed in the center of the elastic filling core (8), a first through hole is formed in the center of the groove (7), an optical fiber core (13) is spliced in the center of the first through hole, second through holes are formed in the periphery of the groove (7), an electric power core (16) is spliced in the center of each second through hole, and an anti-torsion connecting strip (9) is fixedly installed between the side wall of the groove (7) and the elastic layer (, the inner wall of the elastic filling core (8) is fixedly connected with at least 6 reinforcing ribs (10), and each reinforcing rib (10) is positioned on two sides of the anti-torsion connecting bar (9).

2. The composite cable for reinforcing protection as claimed in claim 1, wherein a concave pad (3) is fixedly connected to a concave portion of the outer wall of the protective outer sheath (2).

3. The composite cable for reinforcing protection according to claim 1, wherein the reinforcing layer (5) comprises a first reinforcing rib (501) and a second reinforcing rib (502), and the first reinforcing rib (501) and the second reinforcing rib (502) are cross-connected to each other with central symmetry.

4. The composite cable for reinforcing protection as claimed in claim 1, wherein the outer wall of the optical fiber core (13) is sleeved with a shielding layer (12), and the outer wall of the shielding layer (12) is sleeved with a first waterproof layer (11).

5. The composite cable for reinforcing protection as claimed in claim 1, wherein the outer wall of the power wire core (16) is sleeved with an electromagnetic shielding layer (15), and the outer wall of the electromagnetic shielding layer (15) is sleeved with a second waterproof layer (14).

6. The composite cable for reinforcing protection as claimed in claim 5, wherein said electromagnetic shielding layer (15) is in particular an aluminum foil shielding layer.

7. The composite cable for reinforcing protection according to claim 1, wherein the reinforcing rib (10) is an arc-shaped reinforcing rib.

8. The composite cable for reinforcing protection according to claim 4, wherein the outer wall of the first waterproof layer (11) is coated with a polyethylene coating layer.

9. A composite cable for reinforcing protection according to claim 1, wherein a water-blocking ointment is applied between said elastic layer (4) and said elastic filling core (8).