CN211014738U - Reducing indoor optical cable for comprehensive wiring - Google Patents

Abstract

The utility model discloses a reducing indoor optical cable for comprehensive wiring, which belongs to the technical field of optical cables and comprises an outer sleeve, wherein the left end and the right end of the circumferential outer wall of the outer sleeve are respectively provided with an annular connecting block, the inner cavity of the outer sleeve is slidably connected with a left group of joints and a right group of joints, one side of each of the two groups of joints opposite to each other is connected with an optical cable, after the joints are inserted into the inner cavity of the outer sleeve, screws can be screwed in to fix the annular connecting rings on the annular connecting blocks, the tensile resistance of the two groups of joints is improved, a slide bar is fixedly arranged on the circumferential outer wall of the joints, the slide bar and a chute play a limiting role, the screws are screwed in at the later stage to fix the annular connecting blocks and the annular connecting rings, the anti-torsion performance of the two groups of joints is improved, the joint of the circumferential outer wall and the joints, the protection effect of the outer sleeve is improved.

Description

Reducing indoor optical cable for comprehensive wiring

Technical Field

The utility model relates to an optical cable technical field specifically is an indoor optical cable of reducing for comprehensive wiring.

Background

The reducing optical cable is formed by connecting two groups of optical cables with different diameters through a joint, but after the common cable joint is connected, the tensile property and the torsion resistance are poor, and the cable joint is easily influenced by the corrosion of the external environment and a magnetic field, so that the reducing indoor optical cable for comprehensive wiring is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an indoor optical cable of reducing for integrated wiring to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a reducing indoor optical cable for comprehensive wiring comprises an outer sleeve, wherein the left end and the right end of the circumferential outer wall of the outer sleeve are respectively provided with an annular connecting block, the inner cavity of the outer sleeve is slidably connected with a left group of joints and a right group of joints, one side of each of the opposite sides of the two groups of joints is connected with an optical cable, one side of each of the opposite sides of the circumferential outer wall of the two groups of joints is provided with an annular connecting ring, the annular connecting rings and the annular connecting blocks are fixed through screws, the outer wall of the optical cable is sleeved with an outer cladding layer, the left side and the right side of the circumferential inner wall of the outer sleeve are respectively provided with an annular elastic clamping ring, the opposite sides of the circumferential outer walls of the two groups of joints are respectively provided with a chamfer, the circumferential outer wall, the sliding strip is fixedly arranged on the circumferential outer wall of the joint.

Furthermore, the outer sleeve comprises a sleeve fixedly arranged in an inner cavity of the annular connecting block, a shielding layer, a crosslinked polyethylene insulating layer and an inner lining pipe are sequentially arranged on the annular inner wall of the sleeve from outside to inside, and the sliding groove is formed in the annular inner wall of the inner lining pipe.

Furthermore, the sleeve and the lining pipe are both made of fireproof materials, and the outer wall and the inner wall of the sleeve and the lining pipe are both provided with waterproof coatings.

Furthermore, an anti-falling cap is arranged at the joint of the outer circumferential wall of the outer cladding layer and the joint, and the joint is connected with the anti-falling cap in a threaded mode.

Furthermore, the outer sleeve is provided with an anti-slip sleeve towards the outer wall, and the anti-slip sleeve is positioned at the inner side of the two groups of annular connecting blocks.

Compared with the prior art, the beneficial effects of the utility model are that: after inserting the joint in outer sleeve pipe inner chamber, can rotate into the screw and fix cyclic annular go-between on cyclic annular connecting block, improve two sets of joint stretch-proofing properties, the draw runner is fixed to be set up at joint hoop outer wall, the draw runner plays limiting displacement with the spout, the later stage screw in screw of being convenient for is fixed cyclic annular connecting block and cyclic annular go-between, improve the antitorque commentaries on classics performance that two sets of joints, outer cladding hoop outer wall is equipped with the anticreep cap with the junction that connects, improve the tensile property that connects and optical cable are connected, sleeve pipe hoop inner wall is equipped with the shielding layer from outside to inside in proper order, crosslinked polyethylene insulating layer and interior bushing, improve the protective effect.

Drawings

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

fig. 2 is a schematic view of the installation of the outer sleeve and the annular connecting block of the present invention.

In the figure: 1. an outer sleeve; 2. an annular connecting block; 3. a joint; 4. an annular connecting ring; 5. an optical cable; 6. an outer cladding; 7. an anti-drop cap; 8. an annular elastic collar; 9. chamfering; 10. an annular clamping groove; 11. a slide bar; 12. a chute; 13. a sleeve; 14. a shielding layer; 15. a crosslinked polyethylene insulating layer; 16. and (4) lining the pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a reducing indoor optical cable for comprehensive wiring, please refer to fig. 1, which comprises an outer sleeve 1, wherein the outer sleeve 1 mainly plays a role of protecting a joint 3, annular connecting blocks 2 are respectively arranged at the left end and the right end of the annular outer wall of the outer sleeve 1, a left group of joints 3 and a right group of joints 3 are slidably connected in the inner cavity of the outer sleeve 1, optical cables 5 are connected at the opposite sides of the two groups of joints 3, the optical cables 5 are connected on connecting terminals of the joints 3, annular connecting rings 4 are respectively arranged at the opposite sides of the annular outer wall of the two groups of joints 3, the annular connecting rings 4 are fixed with the annular connecting blocks 2 through screws, the annular connecting rings 4 can be fixed on the annular connecting blocks 2 by screwing the screws after the joints 3 are inserted into the inner cavity of the outer sleeve 1, the tensile property of the two groups of joints 3 is improved, an, the two groups of joints 3 are provided with chamfers 9 on opposite sides of the annular outer walls, the joints 3 can be conveniently inserted into the outer sleeve 1, the annular clamping grooves 10 matched with the annular elastic clamping rings 8 are arranged on the annular outer walls of the joints 3, when the two groups of joints 3 are connected, the joints 3 only need to be inserted into the inner cavity of the outer sleeve 1, after the joints 3 are inserted, the annular elastic clamping rings 8 can be clamped into the inner cavities of the annular clamping grooves 10 on the outer walls of the joints 3 to fix the joints, the sliding grooves 12 are formed in the annular arrays on the left side and the right side of the annular inner wall of the outer sleeve 1, the sliding grooves 12 are located on the outer sides of the two groups of annular elastic clamping rings 8, sliding strips 11 are connected in the sliding grooves 12 in a sliding mode, the sliding strips 11 are fixedly arranged on the annular outer walls of the joints;

referring to fig. 2, the outer sleeve 1 includes a sleeve 13 fixedly disposed in an inner cavity of the annular connecting block 2, a shielding layer 14, a crosslinked polyethylene insulating layer 15 and an inner lining pipe 16 are sequentially disposed on an annular inner wall of the sleeve 13 from outside to inside, the chute 12 is disposed on an annular inner wall of the inner lining pipe 16, the crosslinked polyethylene insulating layer 15 is directly wound outside the inner lining pipe 16 by a crosslinked polyethylene tape, and then the crosslinked polyethylene tape is melted by heating, so that the shielding layer 14 has an effect of isolating a magnetic field;

referring to fig. 2, the sleeve 13 and the lining pipe 16 are made of fireproof materials, so as to improve the fireproof performance of the two sets of joints 3, and the outer wall and the inner wall of the sleeve 13 and the lining pipe 16 are both provided with waterproof coatings, so as to improve the waterproof performance of the joint of the two sets of joints 3;

referring to fig. 1, an anti-drop cap 7 is arranged at the joint of the outer circumferential wall of the outer cladding 6 and the joint 3, the anti-drop cap 7 is connected with the outer cladding 6 in a threaded manner, and the joint 3 is connected with the anti-drop cap 7 in a threaded manner, so that the firmness of connection between the optical cable 5 and the joint 3 is improved, and the tensile property of connection between the joint 3 and the optical cable 5 is improved;

referring to fig. 1, the outer sleeve 1 is provided with an anti-slip sleeve on the circumferential outer wall, and the anti-slip sleeve is located inside the two groups of annular connecting blocks 2, so that a worker can conveniently hold the outer sleeve 1 to install and detach the joint 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an indoor optical cable of reducing for integrated wiring, includes outer tube (1), its characterized in that: the optical cable connector is characterized in that the left end and the right end of the annular outer wall of the outer sleeve (1) are respectively provided with an annular connecting block (2), the inner cavity of the outer sleeve (1) is connected with a left group of connectors (3) and a right group of connectors (3) in a sliding manner, one side of each of the opposite sides of the annular outer wall of each of the two groups of connectors (3) is connected with an optical cable (5), the annular connecting rings (4) are respectively arranged on the opposite sides of the annular outer wall of each of the two groups of connectors (3), the annular connecting blocks (2) are fixed through screws, the outer wall of the optical cable (5) is sleeved with an outer wrapping layer (6), the left side and the right side of the annular inner wall of the outer sleeve (1) are respectively provided with an annular elastic clamping ring (8), chamfers (9) are respectively arranged on the opposite sides of the annular, the spout (12) are located two sets of cyclic annular elasticity rand (8) outsides, sliding connection has draw runner (11) in spout (12), draw runner (11) are fixed to be set up and are being connected (3) ring to the outer wall.

2. The reducing indoor optical cable for comprehensive wiring according to claim 1, wherein: the outer sleeve (1) comprises a sleeve (13) fixedly arranged in an inner cavity of the annular connecting block (2), a shielding layer (14), a cross-linked polyethylene insulating layer (15) and an inner lining pipe (16) are sequentially arranged on the annular inner wall of the sleeve (13) from outside to inside, and the sliding groove (12) is formed in the annular inner wall of the inner lining pipe (16).

3. The reducing indoor optical cable for comprehensive wiring according to claim 2, wherein: the sleeve (13) and the lining pipe (16) are both made of fireproof materials, and waterproof coatings are arranged on the outer wall and the inner wall of the sleeve (13) and the lining pipe (16).

4. The reducing indoor optical cable for comprehensive wiring according to claim 1, wherein: an anti-drop cap (7) is arranged at the joint of the circumferential outer wall of the outer cladding (6) and the joint (3), and the joint (3) is connected with the anti-drop cap (7) in a threaded mode.

5. The reducing indoor optical cable for comprehensive wiring according to claim 1, wherein: the outer sleeve (1) is provided with an anti-slip sleeve towards the outer wall, and the anti-slip sleeve is positioned on the inner side of the two groups of annular connecting blocks (2).

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