CN213123921U - Optical fiber communication cable - Google Patents

Abstract

The utility model discloses an optical fiber communication cable, include by interior and wrap up in the protective insulation layer in the optical fiber cable and the power cable outside in proper order down, fire-retardant layer, nylon sheath and armor are outer, and many power cable encircle in the optical fiber cable outside, armor outside cover is equipped with the resistance cover, and resistance cover outer wall integration is provided with a plurality of resistance pieces, optical fiber cable outside cover is equipped with the layering, the resistance cover includes a pair of resistance piece, and rotate between a pair of resistance piece one side and connect, the tip that the rotation end was kept away from to a pair of resistance piece has all welded the fixed block, and be connected with fastening bolt between a pair of fixed block. The utility model discloses a resistance cover is established to the cover in the outer outside of armor, and sets up a plurality of resistance pieces at resistance cover outer wall integration, after concrete layer is pour on resistance cover surface, and the design of densely covered resistance piece in resistance cover outer wall can prevent effectively that concrete layer from droing, has strengthened concrete layer's adhesive force.

Description

Optical fiber communication cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to an optical fiber communication cable.

Background

The cable is generally a rope-like cable made up of several or several groups of conductors twisted together, each group of conductors being insulated from each other and usually twisted around a center, the whole being covered with a highly insulating covering, which is installed in the air or under the ground or under the water for telecommunication or power transmission, and the optical fiber is a shorthand of optical fiber, which is a fiber made of glass or plastic and can be used as a light-conducting tool.

Because the optical fiber communication cable needs to be protected during installation and use, the surface of the cable is wrapped by a plurality of protective layers, for example, the chinese patent No. CN208422506U discloses an improved optical fiber communication cable, which comprises a cable shell, a power cable and an optical fiber cable, wherein the power cable and the optical fiber cable are arranged in the cable shell, and the cable shell comprises an insulating layer, a flame retardant layer, a nylon sheath and a painted steel tape armored outer layer from inside to outside; the power cable comprises a conductor cable core, a conductor cable core sheath, an insulating layer, a fireproof layer and a high-strength protective layer from inside to outside in sequence; the optical fiber communication cable is sequentially provided with an optical fiber, optical fiber paste, a loose tube, a shielding net, an insulating layer, a flame-retardant layer, a nylon sheath and a polyvinyl chloride outer sheath from inside to outside, and has the advantages that the insulating layer and the shielding net arranged on the optical fiber communication cable are not interfered by the outside, and the shielding performance is excellent; the power cable is provided with the conductor cable core sheath, the insulating layer, the fireproof layer, the damp-proof layer and the high-strength protective layer outside the conductor cable core, so that insulation, fire prevention and damp prevention are realized, and the power cable is safe and reliable to use.

However, the cables including the cables in the prior art are generally flexible for convenient installation, and in the actual installation process, the cables are often damaged by severe installation environments, such as installation environments which are easy to be squeezed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a shortcoming in order to solve existing among the prior art, and the optical fiber communication cable that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an optical fiber communication cable, includes by interior and wrap up in proper order in the protective insulation layer, fire-retardant layer, nylon sheath and the armor in the optical fiber cable and the power cable outside down, and many power cable encircle in the optical fiber cable outside, the outer outside cover of armor is equipped with the resistance cover, and the integration of resistance cover outer wall is provided with a plurality of resistance pieces.

Preferably, the optical fiber cable outside cover is equipped with the branching layer, and be provided with on the branching layer with optical fiber cable assorted optical fiber hole, and the branching layer outside be provided with power cable assorted main fixed slot.

Preferably, a reinforcing layer is arranged between the wiring layer and the protective insulating layer, and an auxiliary fixing clamping groove matched with the power cable is arranged on the reinforcing layer.

Preferably, the wiring layer is an elastic insulating layer, and the width of the notch of the main fixing clamping groove is smaller than the diameter of the power cable.

Preferably, the resistance cover includes a pair of resistance piece, and rotates between a pair of resistance piece one side end and connect, and the tip that the rotation end was kept away from to a pair of resistance piece all welds the fixed block, and is connected with fastening bolt between a pair of fixed block.

Preferably, the resistance block is arranged in a circular truncated cone shape, and the diameter of the end part of the resistance block close to the resistance sheet is smaller than the diameter of the end part of the resistance block far away from the resistance sheet.

Compared with the prior art, the utility model provides an optical fiber communication cable possesses following beneficial effect:

1. the resistance sleeve is sleeved outside the armor layer, the resistance blocks are integrally arranged on the outer wall of the resistance sleeve, a concrete layer is poured outside the resistance sleeve sleeved outside the cable easily in an extruded installation environment in the actual installation process, and after the concrete layer is poured on the surface of the resistance sleeve, the concrete layer can be effectively prevented from falling off due to the design of the resistance blocks densely distributed on the outer wall of the resistance sleeve, so that the adhesive force of the concrete layer is enhanced.

2. The distribution layer is sleeved outside the optical fiber cable, the optical fiber holes matched with the optical fiber cable are formed in the distribution layer, the main fixing clamping groove matched with the power cable is formed in the outer side of the distribution layer, and the optical fiber cable and the power cable can be fixed relatively.

3. Through setting up the resistance piece into the round platform type, and the tip diameter that the resistance piece is close to the resistance piece is less than the tip diameter that the resistance piece was kept away from to the resistance piece, after concrete layer was pour on resistance cover surface, the design of the resistance piece of round platform type can prevent effectively that concrete layer from droing, further strengthens concrete layer's adhesive force.

The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses a establish the resistance cover at the outer outside cover of armor, and set up a plurality of resistance pieces at the integration of resistance cover outer wall, after resistance cover surface concreting layer, the design of densely covered resistance piece in resistance cover outer wall can prevent effectively that concrete layer from droing, has strengthened concrete layer's adhesive force.

Drawings

Fig. 1 is a schematic partial structural view of an optical fiber communication cable according to the present invention;

fig. 2 is a schematic structural view of the optical fiber communication cable in a state where the resistance sheath, the optical fiber cable and the power cable are removed;

fig. 3 is a schematic structural diagram of a resistance sleeve of an optical fiber communication cable according to the present invention.

In the figure: the cable comprises 1-optical fiber cable, 2-power cable, 3-wiring layer, 4-reinforcing layer, 5-optical fiber hole, 6-main fixed clamping groove, 7-auxiliary fixed clamping groove, 8-protective insulating layer, 9-flame retardant layer, 10-nylon sheath, 11-armored outer layer, 12-resistance sheet, 13-resistance block, 14-fixed block and 15-fastening bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, an optical fiber communication cable comprises a protective insulating layer 8, a flame retardant layer 9, a nylon sheath 10 and an armor outer layer 11 which are sequentially wrapped outside an optical fiber cable 1 and a power cable 2 from inside to outside, wherein a plurality of power cables 2 surround the optical fiber cable 1, a resistance sleeve is sleeved outside the armor outer layer 11, and a plurality of resistance blocks 13 are integrally arranged on the outer wall of the resistance sleeve.

The utility model discloses in, 1 outside cover of optical fiber cable is equipped with branch layer 3, and be provided with on the branch layer 3 with 1 assorted optical fiber hole 5 of optical fiber cable, and the 3 outsides on branch layer be provided with power cable 2 assorted main fixed slot 6, can realize optical fiber cable 1 and power cable 2's relatively fixed.

Wherein, be provided with back up coat 4 between separated time layer 3 and the protective insulation layer 8, and be provided with on the back up coat 4 with power cable 2 assorted supplementary fixed slot 7, further fixed power cable 2.

Wherein, separated time layer 3 is elastic insulation layer, and the notch width of main fixed slot 6 is less than power cable 2's diameter, the preliminary fixed of power cable 2 of being convenient for.

Wherein, the resistance cover includes a pair of resistance piece 12, and rotates between 12 side ends of a pair of resistance piece and connect, and the tip that the rotation end was kept away from to a pair of resistance piece 12 all welds fixed block 14, and is connected with fastening bolt 15 between a pair of fixed block 14.

The working principle is as follows: in the actual installation process, when a severe installation environment is met, for example, in the installation environment which is easy to be extruded, the resistance sleeve can be sleeved outside the cable, the fastening bolt 15 is screwed, the resistance sleeve is stably fixed outside the cable, then the concrete layer is poured outside the resistance sleeve, and after the concrete layer is poured on the surface of the resistance sleeve, the design of the resistance blocks 13 densely distributed on the outer wall of the resistance sleeve can effectively prevent the concrete layer from falling off, so that the adhesive force of the concrete layer is enhanced.

Example 2

Referring to fig. 1 and 3, in the optical fiber communication cable, in this embodiment, compared with embodiment 1, the resistance block 13 is set to be a circular truncated cone shape, and a diameter of an end portion of the resistance block 13 close to the resistance sheet 12 is smaller than a diameter of an end portion of the resistance block 13 far from the resistance sheet 12, after a concrete layer is poured on the surface of the resistance sleeve, the circular truncated cone-shaped resistance block 13 is designed to effectively prevent the concrete layer from falling off, and the adhesive force of the concrete layer is further enhanced.

It should be further noted that the electrical control method used in this document is automatically controlled by a controller and powered by an external power source, and the control circuit of the controller can be implemented by simple programming by those skilled in the art, which belongs to the common knowledge in the art, and this application mainly serves to protect the mechanical device, so the control method and the circuit connection are not explained in detail in this application.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an optical fiber communication cable, includes by interior and wrap up in proper order in protective insulation layer (8), fire-retardant layer (9), nylon sheath (10) and armor outer (11) in the optical fiber cable (1) and power cable (2) outside down, and many power cable (2) surround in the optical fiber cable (1) outside, its characterized in that, armor outer (11) outside cover is equipped with the resistance cover, and the integration of resistance cover outer wall is provided with a plurality of resistance pieces (13).

2. An optical fiber communication cable according to claim 1, wherein a distribution layer (3) is sleeved outside the optical fiber cable (1), an optical fiber hole (5) matched with the optical fiber cable (1) is formed in the distribution layer (3), and a main fixing clamping groove (6) matched with the power cable (2) is formed outside the distribution layer (3).

3. A fiber optic telecommunication cable according to claim 2, characterized in that a reinforcing layer (4) is provided between the wiring layer (3) and the insulating protective layer (8), and an auxiliary fixing groove (7) is provided on the reinforcing layer (4) to match the power cable (2).

4. A fiber optic telecommunication cable according to claim 3 wherein the distribution layer (3) is a resilient insulating layer and the slot width of the primary retention slot (6) is less than the diameter of the power cable (2).

5. An optical fiber communication cable according to any one of claims 1 to 4, wherein the resistance sleeve comprises a pair of resistance plates (12), one side ends of the pair of resistance plates (12) are rotatably connected, fixing blocks (14) are welded on the end parts of the pair of resistance plates (12) far away from the rotating ends, and fastening bolts (15) are connected between the pair of fixing blocks (14).

6. A fiber optic telecommunications cable according to claim 5, wherein the resistance block (13) is configured as a truncated cone, and a diameter of an end of the resistance block (13) adjacent the resistance tab (12) is smaller than a diameter of an end of the resistance block (13) distal from the resistance tab (12).

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