CN216927187U

CN216927187U - Multi-core moisture-proof indoor optical cable

Info

Publication number: CN216927187U
Application number: CN202122795211.7U
Authority: CN
Inventors: 陆兵; 胡东华; 张彪
Original assignee: Nantong Tongneng Communication Technology Co ltd
Current assignee: Nantong Tongneng Communication Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-07-08
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a multi-core moisture-proof indoor optical cable which comprises a tensile core, a strengthening unit and a protection unit; the outer side of the tensile core is wrapped with a protection unit; the strengthening unit includes square fixed block, arc wall, pencil, anti-corrosion coating, wearing layer and arc reinforcement piece, the periphery of tensile core has square fixed block along tensile core linear array, the arc wall has been seted up respectively to the four sides of square fixed block, the inner wall joint of arc wall has the pencil, the peripheral parcel of pencil has anti-corrosion coating, the peripheral parcel of anti-corrosion coating has the wearing layer, the protruding end of square fixed block is located the both ends that the arc reinforced block was connected respectively to the both sides of arc wall, and the inner wall laminating of arc reinforcement piece in the surface of wearing layer. Its structural design is better to the protectiveness of the internal line body, is difficult for in use to produce and damages the optical cable when dragging, and whole tensile strength is higher, and the holistic fire prevention waterproof performance of optical cable is good, has reduced the potential safety hazard when using.

Description

Multi-core moisture-proof indoor optical cable

Technical Field

The utility model relates to the technical field of circuit facilities, in particular to a multi-core moisture-proof indoor optical cable.

Background

Optical fiber cables are manufactured to meet optical, mechanical or environmental performance specifications by utilizing one or more optical fibers disposed in a surrounding jacket as the transmission medium and can be used individually or in groups as telecommunication cable assemblies, the optical fiber cable being composed primarily of optical fibers and plastic protective sleeves and plastic sheaths.

A multi-core indoor optical cable disclosed in the prior art with publication number CN 211905807U includes a protective sheath, a central reinforcing element disposed in the protective sheath, and a plurality of optical fibers disposed circumferentially along the central reinforcing element, wherein gaps between the central reinforcing element and the plurality of optical fibers are filled with cable core fillers; the outer surface of the protective sleeve is sleeved with a mark ring, the outer surface of the mark ring is provided with a plurality of transparent raised lines along the circumferential uniform distribution, and an information label is embedded between the mark ring and the transparent raised lines.

Its structural design is not enough to the protectiveness of the interior line body, and easy in use produces and damages the optical cable when dragging, and whole tensile strength is not high, and the holistic fire prevention waterproof performance of optical cable is lower, has increased the potential safety hazard when using, for this reason, we propose the dampproofing indoor optical cable of multicore.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provide the multi-core moisture-proof indoor optical cable, the structural design of the multi-core moisture-proof indoor optical cable has better protection performance on an internal wire body, the optical cable is not easy to damage when being pulled in use, the integral tensile strength is higher, the integral fireproof and waterproof performance of the optical cable is good, the potential safety hazard in use is reduced, and the problems in the background technology can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the multi-core moisture-proof indoor optical cable comprises a tensile core, a strengthening unit and a protection unit;

and (3) tensile core: the outer side of the protective cover is wrapped with a protective unit;

a strengthening unit: include square fixed block, arc wall, pencil, anti-corrosion coating, wearing layer and arc reinforcement piece, the periphery of tensile core has square fixed block along tensile core linear array, the arc wall has been seted up respectively to the four sides of square fixed block, the inner wall joint of arc wall has the pencil, the peripheral parcel of pencil has anti-corrosion coating, anti-corrosion coating's peripheral parcel has the wearing layer, the both ends of arc reinforcement piece are connected respectively to the protruding end that is located the both sides of arc wall of square fixed block, and the inner wall of arc reinforcement piece is laminated on the surface of wearing layer.

Tensile strength of tensile core hoisting optical cable is holistic, fixes the position of pencil through the arc wall on the fixed block, prevents that the pencil from influencing life in the inside activity in the use, and the anti-corrosion coating prevents that the pencil from being corroded by outside element, and when the anti-corrosion coating was protected to the wearing layer, prevent inner structure friction pencil, the position of the further fixed pencil of arc reinforcement piece promotes the job stabilization nature of structure.

Furthermore, the reinforcing unit further comprises a filler and a first wear-resistant layer, the first wear-resistant layer wraps the periphery of the arc-shaped reinforcing block, and the filler is arranged in gaps among the first wear-resistant layer, the arc-shaped reinforcing block and the square fixing block. The filler reduces the relative activity of inner structure to reduce the emergence of incident, wearing layer one is closely wrapped up each structure of inside, increases overall stability.

Furthermore, the protection unit comprises a metal reinforcing net, a second wear-resistant layer, an asbestos fireproof layer and a fastening layer, wherein the metal reinforcing net is wrapped on the periphery of the first wear-resistant layer, the second wear-resistant layer is wrapped on the periphery of the metal reinforcing net, the asbestos fireproof layer is wrapped on the periphery of the second wear-resistant layer, and the fastening layer is wrapped on the periphery of the asbestos fireproof layer. The metal reinforcing net increases the overall structural strength, the wear-resistant layer II prevents the metal reinforcing net from wearing an external structure due to long-term use, the asbestos fire-proof layer improves the fire resistance of the optical cable, the potential safety hazard is reduced to the minimum, the confining layer prevents the asbestos fire-proof layer from falling off, and the overall structural stability is improved.

Further, the metal reinforcing net comprises asbestos threads, wherein the asbestos threads are filled in gaps among the metal reinforcing nets and are inserted among the metal reinforcing nets. The asbestos wool improves the connection tightness of the metal reinforcing net, and further improves the fireproof performance.

Furthermore, the waterproof layer is wrapped on the periphery of the confining layer, and the inner wall of the waterproof layer is a frosted surface. The waterproof layer prevents that steam from getting into inside the optical cable, and frosted surface prevents that the waterproof layer from sliding in the confinement layer surface, promotes connection stability.

Further, the waterproof layer comprises an outer sheath, the outer sheath wraps the periphery of the waterproof layer, and raised ripples are arranged on the surface of the outer sheath. The oversheath prevents that inner structure from being damaged by external force in the use, further increase overall structure intensity, promotes the moisture resistance fire behavior of structure.

Compared with the prior art, the utility model has the beneficial effects that: this dampproofing indoor optical cable of multicore has following benefit:

1. the multi-core moisture-proof indoor optical cable is provided with the stretch-resistant structure, so that the integral deformation resistance can be increased in the use process of the optical cable, the position of an internal structure can be fixed, and the service life is prevented from being influenced by internal friction;

2. according to the multi-core moisture-proof indoor optical cable, the structural strength of the optical cable is improved through various protection mechanisms, the overall moisture resistance and fire resistance are improved, and the use stability of the optical cable is improved;

3. this dampproofing indoor optical cable of multicore, its structural design is better to the protectiveness of the internal line body, and difficult in use produces and damages the optical cable when dragging, and whole tensile strength is higher, and the holistic fire prevention waterproof performance of optical cable is good, has reduced the potential safety hazard when using.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention.

In the figure: 1 tensile core, 2 strengthening units, 21 square fixing blocks, 22 arc-shaped grooves, 23 wire harnesses, 24 anti-corrosion layers, 25 wear-resistant layers, 26 arc-shaped strengthening blocks, 27 fillers, 28 wear-resistant layers I, 3 protection units, 31 metal strengthening nets, 32 wear-resistant layers II, 33 asbestos fire-proof layers, 34 confining layers, 4 asbestos wool, 5 waterproof layers and 6 outer sheaths.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: the multi-core moisture-proof indoor optical cable comprises a tensile core 1, a strengthening unit 2 and a protection unit 3;

tensile core 1: the outer side of the protective unit is wrapped with a protective unit 3;

the protection unit 3 comprises a metal reinforcing net 31, a second wear-resistant layer 32, an asbestos fireproof layer 33 and an occlusion layer 34, wherein the metal reinforcing net 31 wraps the periphery of the first wear-resistant layer 28, the second wear-resistant layer 32 wraps the periphery of the metal reinforcing net 31, the asbestos fireproof layer 33 wraps the periphery of the second wear-resistant layer 32, and the occlusion layer 34 wraps the periphery of the asbestos fireproof layer 33. The metal reinforcing net 31 increases the overall structural strength, the second wear-resistant layer 32 prevents the metal reinforcing net 31 from wearing the external structure due to long-term use, the asbestos fireproof layer 33 improves the fire resistance of the optical cable, the potential safety hazard is reduced to the minimum, the confining layer 34 prevents the asbestos fireproof layer 33 from falling off, and the overall structural stability is improved.

The strengthening unit 2: include square fixed block 21, the arc wall 22, pencil 23, anti-corrosion coating 24, wearing layer 25 and arc reinforcement piece 26, the periphery of tensile core 1 has square fixed block 21 along tensile core 1 linear array, arc wall 22 has been seted up respectively to the four sides of square fixed block 21, the inner wall joint of arc wall 22 has pencil 23, the peripheral parcel of pencil 23 has anti-corrosion coating 24, the peripheral parcel of anti-corrosion coating 24 has wearing layer 25, the both ends of arc reinforcement piece 26 are connected respectively to the protruding end that square fixed block 21 is located the both sides of arc wall 22, and the inner wall laminating of arc reinforcement piece 26 is on the surface of wearing layer 25.

Tensile strength of tensile core 1 hoisting cable is holistic, fixes pencil 23's position through arc groove 22 on the fixed block 21, prevents that pencil 23 from influencing life in the inside activity in the use, and anti-corrosion coating 24 prevents that the pencil from being corroded by external element, and when wearing layer 25 protected anti-corrosion coating 24, prevent inner structure friction pencil, the further fixed pencil 23's of arc reinforcing block 26 position promotes the job stabilization nature of structure.

The reinforcing unit 2 further comprises a filler 27 and a first wear-resistant layer 28, the first wear-resistant layer 28 is wrapped on the periphery of the arc-shaped reinforcing block 26, and the filler 27 is arranged in a gap between the first wear-resistant layer 28, the arc-shaped reinforcing block 26 and the square fixing block 21. The filler 27 reduces relative movement of the internal structures and safety accidents, and the wear-resistant layer I28 tightly wraps the internal structures to increase overall stability.

The metal reinforcing net is characterized by further comprising asbestos wires 4, wherein the asbestos wires 4 are filled in gaps among the metal reinforcing nets 31, and the asbestos wires 4 are inserted among the metal reinforcing nets 31 in a penetrating mode. The asbestos wool 4 improves the connection tightness of the metal reinforcing net 31, and further improves the fireproof performance.

The waterproof layer 5 is wrapped on the periphery of the confining layer 34, and the inner wall of the waterproof layer 5 is a frosted surface. The waterproof layer 5 prevents water vapor from entering the optical cable, and the frosted surface prevents the waterproof layer 5 from sliding on the surface of the confining layer 34, so that the connection stability is improved.

Still include oversheath 6, the periphery parcel of waterproof layer 5 has oversheath 6, and the surface of oversheath 6 is equipped with bellied ripple. The oversheath 6 prevents that inner structure from being damaged by external force in the use, further increase overall structure intensity, promotes the moisture resistance fire behavior of structure.

The working principle of the multi-core moisture-proof indoor optical cable provided by the utility model is as follows: when the optical cable is used, the tensile strength of the whole optical cable is improved by the tensile core 1, the position of the wire harness 23 is fixed through the arc-shaped groove 22 on the fixing block 21, the condition that the service life of the wire harness 23 is influenced by internal movement in the using process is prevented, the corrosion-resistant layer 24 prevents the wire harness from being corroded by external elements, the wear-resistant layer 25 protects the corrosion-resistant layer 24 and prevents the internal structure from rubbing the wire harness, the position of the wire harness 23 is further fixed by the arc-shaped reinforcing block 26, the working stability of the structure is improved, the relative movement of the internal structure is reduced by the filler 27 between the arc-shaped reinforcing block 26 and the square fixing block 21, the occurrence of safety accidents is reduced, the internal structures are tightly wrapped by the wear-resistant layer I28, the overall stability is improved, the structural strength of the whole optical cable is improved by the metal reinforcing net 31, the connection tightness between the metal reinforcing nets 31 is improved by the asbestos threads 4, and the fireproof performance is further improved, wear-resisting layer two 32 prevents that metal reinforcing mesh 31 from wearing and tearing the exterior structure because of long-term use, asbestos flame retardant coating 33 promotes the refractivity of optical cable, reduce the potential safety hazard to minimum, it prevents that asbestos flame retardant coating 33 from droing to install layer 34, inside waterproof layer 5 prevents that steam from getting into the optical cable, and the frosting prevents that waterproof layer 5 from installing layer 34 surface slip in, promote connection stability, oversheath 6 prevents that the interior structure from being damaged by external force in the use, further increase overall structure intensity, promote the moisture resistance fire proofness of structure, the whole optical cable finishes using.

It should be noted that the material of the anti-corrosion layer 24 disclosed in the above embodiments is tin, the material of the first wear-resistant layer 28 and the second wear-resistant layer 32 is polyethylene PE, the material of the metal reinforcing mesh 31 is steel, and the material of the outer sheath 6 is PVC plastic.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. Dampproofing indoor optical cable of multicore, its characterized in that: comprises a tensile core (1), a strengthening unit (2) and a protection unit (3);

the outer side of the tensile core (1) is wrapped with a protection unit (3);

reinforcing unit (2): include square fixed block (21), arc wall (22), pencil (23), anti-corrosion coating (24), wearing layer (25) and arc reinforcement piece (26), the periphery of tensile core (1) has square fixed block (21) along tensile core (1) linear array, arc wall (22) have been seted up respectively to the four sides of square fixed block (21), the inner wall joint of arc wall (22) has pencil (23), the peripheral parcel of pencil (23) has anti-corrosion coating (24), the peripheral parcel of anti-corrosion coating (24) has wearing layer (25), the both ends of arc reinforcement piece (26) are connected respectively to the both sides that the protruding end that is located arc wall (22) of square fixed block (21), and the inner wall laminating of arc reinforcement piece (26) in the surface of wearing layer (25).

2. The multi-core moisture resistant indoor optical cable of claim 1, wherein: the reinforcing unit (2) further comprises a filler (27) and a first wear-resistant layer (28), the first wear-resistant layer (28) wraps the periphery of the arc-shaped reinforcing block (26), and the filler (27) is arranged in a gap between the first wear-resistant layer (28), the arc-shaped reinforcing block (26) and the square fixing block (21).

3. The multi-core moisture resistant indoor optical cable of claim 2, wherein: protection unit (3) include that the metal strengthens net (31), wearing layer two (32), asbestos flame retardant coating (33) and confinement layer (34), the peripheral parcel of wearing layer one (28) has metal to strengthen net (31), the peripheral parcel of metal reinforcement net (31) has wearing layer two (32), the peripheral parcel of wearing layer two (32) has asbestos flame retardant coating (33), the peripheral parcel of asbestos flame retardant coating (33) has confinement layer (34).

4. The multi-core moisture resistant indoor optical cable of claim 3, wherein: the metal reinforcing net is characterized by further comprising asbestos fibers (4), wherein the asbestos fibers (4) are filled in gaps among the metal reinforcing nets (31), and the asbestos fibers (4) are inserted among the metal reinforcing nets (31).

5. The multi-core moisture resistant indoor optical cable of claim 3, wherein: the waterproof layer (5) is wrapped on the periphery of the confining layer (34), and the inner wall of the waterproof layer (5) is a frosted surface.

6. The multi-core moisture-proof indoor optical cable of claim 5, wherein: the waterproof layer is characterized by further comprising an outer sheath (6), the outer periphery of the waterproof layer (5) is wrapped with the outer sheath (6), and raised ripples are arranged on the surface of the outer sheath (6).