CN212321939U - High-strength optical cable - Google Patents

High-strength optical cable Download PDF

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Publication number
CN212321939U
CN212321939U CN202021777297.XU CN202021777297U CN212321939U CN 212321939 U CN212321939 U CN 212321939U CN 202021777297 U CN202021777297 U CN 202021777297U CN 212321939 U CN212321939 U CN 212321939U
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loose tube
optical cable
compression
main body
framework
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CN202021777297.XU
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戴丽芬
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Changshu Gaotong Intelligent Equipment Co ltd
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Changshu Gaotong Intelligent Equipment Co ltd
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Abstract

The utility model belongs to the cable field, in particular to a high-strength optical cable, which comprises an outer protective layer, a band layer, a plurality of loose tubes and a framework, wherein the band layer is arranged outside the framework, the outer protective layer is arranged on the band layer, the framework is characterized in that the framework is composed of a framework main body, a plurality of loose tube containing cavities are arranged on the framework main body, a pair of arc-shaped compression-resistant components are arranged at two ends of the opening part of each loose tube containing cavity, a groove is formed inside each compression-resistant component, the loose tube is composed of a loose tube main body, a rib and a hanging component, the rib is arranged above the loose tube main body, the hanging component is arranged above the rib, two arc-shaped hanging grooves are formed by two sides of the hanging component and the rib, an optical communication unit containing cavity is formed inside the loose tube main body, at least one optical communication unit is arranged in the optical communication unit containing cavity, the hanging part is hung on the compression-resistant part; the utility model discloses have simple structure, resistance to compression, antidetonation, antitorque commentaries on classics, beneficial effect such as loose sleeve pipe can the independent wiring.

Description

High-strength optical cable
Technical Field
The utility model belongs to the cable field especially relates to a high strength optical cable.
Background
Along with the popularization on a large scale of internal 5G construction, the demand of optical cable is bigger and bigger, like CN207817264U a novel optical cable of high strength resistance to compression among the prior art, cross resistance to compression frame comprises horizontal resistance to compression board and vertical resistance to compression board, the cross resistance to compression frame outside is equipped with the resistance to compression guard circle, form four installation cavities between cross resistance to compression frame and the resistance to compression guard circle, the installation cavity inner chamber is equipped with the cable core, the cable core comprises optical fiber and fiber bundle pipe, the cable core is equipped with the filler all around, be equipped with evenly distributed's cushion on the wall of the resistance to compression guard circle outside, the cushion outside is equipped with the inner sheath layer, the inner sheath layer outside is equipped with fire prevention fire-retardant layer.
The above prior art has the following disadvantages: 1. the lateral pressure resistance between the transverse pressure resistance plate and the longitudinal pressure resistance plate of the cross pressure resistance frame is weak; 2. the structure is more complicated, is unfavorable for production.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a high strength optical cable, which is realized by the following technical solution.
A high-strength optical cable comprises an outer protective layer, a belting layer, a plurality of loose tubes and a framework, wherein the belting layer is positioned outside the framework, the outer protective layer is positioned outside the belting layer, the framework is composed of a framework main body, a plurality of loose tube containing cavities are arranged on the framework main body, a pair of arc-shaped compression-resistant components are arranged at two ends of an opening of each loose tube containing cavity, a groove is formed in each compression-resistant component, each loose tube is composed of a loose tube main body, ribs and a hanging component, the ribs are positioned above the loose tube main body, the hanging component is positioned above the ribs, two arc-shaped hanging grooves are formed by two sides of the hanging component and the ribs, an optical communication unit containing cavity is formed in the loose tube main body, at least one optical communication unit is arranged in the optical communication unit containing cavity, the loose tube main body is positioned in the loose tube containing cavity, the hanging component is hung on the compression-resistant component, and, the rib is located the opening part that loose tube held the chamber, and the width that leans on the part is greater than the open-ended width that loose tube held the chamber, and the width that loose tube main part is greater than the open-ended width that loose tube held the chamber, and loose tube main part does not hold the chamber lateral wall with loose tube and contact, the resistance to compression part has elasticity.
The high-strength optical cable is characterized in that an electric unit is further arranged between two non-paired compression-resistant components, and the outer diameter of the electric unit is smaller than the height of the compression-resistant components.
The high-strength optical cable is characterized in that the electric unit is composed of an electric conductor and an insulating layer extruded outside the electric conductor.
The high-strength optical cable is characterized in that the insulating layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
According to the high-strength optical cable, the electric unit is added between two adjacent non-paired compression-resistant components, so that the optical cable has the capability of transmitting electric energy, and the gap between the belting layer and the framework is filled, so that the optical cable is more round.
The high-strength optical cable is characterized in that a cushion is further arranged between two adjacent non-pair compression-resistant components, the cushion is composed of two cushion main bodies and a connecting piece for connecting the two cushion main bodies, the cushion main bodies are located in the grooves, the connecting piece is arc-shaped, and the cushion main bodies have elasticity.
According to the high-strength optical cable, the soft cushion can prevent the compression-resistant component from yielding or breaking due to the fact that external pressure exceeds the elastic limit, and the compression resistance of the optical cable is enhanced.
The high-strength optical cable is characterized in that the material of the wrapping tape is a steel tape or an aluminum tape or a water-blocking tape or a non-woven fabric tape.
The high-strength optical cable is characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The high-strength optical cable is characterized in that the main body material of the loose tube is polybutylene terephthalate or modified polypropylene.
The high-strength optical cable is characterized in that the optical communication unit is an optical fiber or an optical fiber ribbon formed by combining at least two optical fibers or an optical fiber ribbon body formed by stacking at least two optical fiber ribbons.
The high-strength optical cable is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
In the utility model, the elastic property of the independent compression-resistant component is matched with the hanging component of each loose tube, when the optical cable is extruded, the compression-resistant component moves inwards, the loose tube main body moves in the optical communication unit cavity, so that the loose tube main body is not extruded, and meanwhile, the pressure can not influence the loose tubes; when receiving vibration, the loose tube main body can not collide with the side wall of the optical communication unit cavity, so that the optical cable has a good vibration-resistant effect; when the optical cable receives torsion, the movement of the pressure-resistant part can play a role in resisting torsion; meanwhile, the elasticity of the compression-resistant component can enable the optical cable to have the shock resistance; the utility model discloses a loose tube can also regard as self-supporting center tube optical cable to lay wire alone.
Therefore, the utility model has the advantages of simple structure, resistance to compression, antidetonation, antitorque commentaries on classics, but loose sleeve pipe independent wiring.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a front view of embodiment 1 of the present invention.
Fig. 3 is a schematic view of the framework structure of the present invention.
Fig. 4 is a schematic view of the loose tube structure of the present invention.
Fig. 5 is a schematic perspective view of embodiment 2 of the present invention.
Fig. 6 is a front view of embodiment 2 of the present invention.
Fig. 7 is a schematic perspective view of embodiment 3 of the present invention.
Fig. 8 is a front view of embodiment 3 of the present invention.
Fig. 9 is a schematic perspective view of the cushion 7 according to embodiment 3 of the present invention.
In the figure: 1. the outer protective layer, 2, the belting layer, 3, the loose tube, 31, the hanging part, 32, the hanging groove, 33, the rib, 34, the loose tube main body, 35, the optical communication unit cavity, 4, the optical communication unit, 5, the framework, 51, the framework main body, 52, the loose tube cavity, 53, the compression-resistant part, 54, the groove, 6, the electric unit, 7, the cushion, 71, the cushion main body and 72, the connecting piece.
Detailed Description
Example 1
Referring to fig. 1, 2, 3 and 4, a high strength optical cable includes an outer sheath 1, a belting layer 2, a plurality of loose tubes 3 and a framework 5, the belting layer 2 is located outside the framework 5, the outer sheath 1 is located outside the belting layer 2, the high strength optical cable is characterized in that the framework 5 is composed of a framework main body 51, the framework main body 51 is provided with a plurality of loose tube cavities 52, two ends of an opening of each loose tube cavity 52 are provided with a pair of arc-shaped compression members 53, a groove 54 is formed inside each compression member 53, the loose tube 3 is composed of a loose tube main body 34, a rib 33 and a hanging part 31, the rib 33 is located above the loose tube main body 34, the hanging part 31 is located above the rib 33, two sides of the hanging part 31 and the rib 33 form two arc-shaped hanging grooves 32, an optical communication unit cavity 35 is formed inside the loose tube main body 34, at least one optical communication unit 4 is arranged in the optical communication unit cavity 35, the loose tube main body 34 is located in the loose tube containing cavity 52, the hanging part 31 is hung on the compression resisting part 53, the inner wall of the hanging groove 32 is attached to the outer wall of the compression resisting part 53, the rib 33 is located at the opening of the loose tube containing cavity 52, the width of the hanging part 31 is larger than that of the opening of the loose tube containing cavity 52, the width of the loose tube main body 34 is larger than that of the opening of the loose tube containing cavity 52, the loose tube main body 34 is not in contact with the side wall of the loose tube containing cavity 52, and the compression resisting part 53 has elasticity.
Example 2
Referring to fig. 3, 4, 5 and 6, a high strength optical cable comprises an outer sheath 1, a belting layer 2, a plurality of loose tubes 3 and a framework 5, the belting layer 2 is located outside the framework 5, the outer sheath 1 is located outside the belting layer 2, the high strength optical cable is characterized in that the framework 5 is composed of a framework main body 51, the framework main body 51 is provided with a plurality of loose tube cavities 52, two ends of an opening of each loose tube cavity 52 are provided with a pair of arc-shaped compression members 53, a groove 54 is formed inside each compression member 53, the loose tube 3 is composed of a loose tube main body 34, a rib 33 and a hanging part 31, the rib 33 is located above the loose tube main body 34, the hanging part 31 is located above the rib 33, two sides of the hanging part 31 and the rib 33 form two arc-shaped hanging grooves 32, an optical communication unit cavity 35 is formed inside the loose tube main body 34, at least one optical communication unit 4 is arranged in the optical communication unit cavity 35, the loose tube main body 34 is located in the loose tube containing cavity 52, the hanging part 31 is hung on the compression-resistant part 53, the inner wall of the hanging groove 32 is attached to the outer wall of the compression-resistant part 53, the rib 33 is located at the opening of the loose tube containing cavity 52, the width of the hanging part 31 is larger than that of the opening of the loose tube containing cavity 52, the width of the loose tube main body 34 is larger than that of the opening of the loose tube containing cavity 52, the loose tube main body 34 is not in contact with the side wall of the loose tube containing cavity 52, and the compression-resistant part 53 has elasticity; an electric unit 6 is also arranged between two adjacent non-pair of pressure-resistant parts 53, the electric unit 6 is composed of an electric conductor and an insulating layer extruded outside the electric conductor, and the outer diameter of the electric unit 6 is smaller than the height of the pressure-resistant parts 53.
The high-strength optical cable is characterized in that the insulating layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
In this embodiment, the electrical unit 6 is added between two non-paired adjacent compression-resistant components 53, so that the optical cable has the capability of transmitting electric energy, and the gap between the belting layer 2 and the framework 5 is filled, so that the optical cable is more round.
Example 3
Referring to fig. 3, 4, 7 and 8, a high strength optical cable comprises an outer sheath 1, a belting layer 2, a plurality of loose tubes 3 and a framework 5, the belting layer 2 is located outside the framework 5, the outer sheath 1 is located outside the belting layer 2, the high strength optical cable is characterized in that the framework 5 is composed of a framework main body 51, the framework main body 51 is provided with a plurality of loose tube cavities 52, two ends of an opening of each loose tube cavity 52 are provided with a pair of arc-shaped compression members 53, a groove 54 is formed inside each compression member 53, the loose tube 3 is composed of a loose tube main body 34, a rib 33 and a hanging part 31, the rib 33 is located above the loose tube main body 34, the hanging part 31 is located above the rib 33, two sides of the hanging part 31 and the rib 33 form two arc-shaped hanging grooves 32, an optical communication unit cavity 35 is formed inside the loose tube main body 34, at least one optical communication unit 4 is arranged in the optical communication unit cavity 35, the loose tube main body 34 is located in the loose tube containing cavity 52, the hanging part 31 is hung on the compression-resistant part 53, the inner wall of the hanging groove 32 is attached to the outer wall of the compression-resistant part 53, the rib 33 is located at the opening of the loose tube containing cavity 52, the width of the hanging part 31 is larger than that of the opening of the loose tube containing cavity 52, the width of the loose tube main body 34 is larger than that of the opening of the loose tube containing cavity 52, the loose tube main body 34 is not in contact with the side wall of the loose tube containing cavity 52, and the compression-resistant part 53 has elasticity; a cushion 7 is further arranged between two non-adjacent pairs of the compression-resistant parts 53, the cushion 7 is composed of two cushion bodies 71 and a connecting piece 72 for connecting the two cushion bodies 71, the cushion bodies 71 are positioned in the grooves 54, the connecting piece 72 is arc-shaped, and the cushion bodies 71 have elasticity.
In the above embodiment, the cushion 7 can prevent the pressure-resistant member 53 from yielding or breaking due to an excessive external pressure exceeding the elastic limit, thereby enhancing the pressure-resistant performance of the optical cable.
The high-strength optical cable according to any embodiment is characterized in that the material of the wrapping layer 2 is a steel strip or an aluminum strip or a water-blocking tape or a non-woven tape.
The high-strength optical cable according to any of the embodiments is characterized in that the outer sheath 1 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The high-strength optical cable according to any of the above embodiments is characterized in that the material of the loose tube main body 34 is polybutylene terephthalate or modified polypropylene.
The optical cable of any of the above embodiments is characterized in that the optical communication unit 4 is an optical fiber, an optical fiber ribbon formed by combining at least two optical fibers, or an optical fiber ribbon body formed by stacking at least two optical fiber ribbons, and the optical fiber type is g.652 type, g.653 type, g.654 type, g.655 type, g.656 type, g.657 type, A1a type, A1b type, or A1c type.
In the utility model, the elastic property of the independent compression-resistant part 53 is matched with the hanging part 31 of each loose tube, when the optical cable is extruded, the compression-resistant part 53 moves inwards, the loose tube main body 34 moves in the optical communication unit accommodating cavity 35, so that the loose tube main body 34 is not extruded, and meanwhile, the pressure can not influence the loose tubes 2; when receiving vibration, the loose tube main body 34 can not collide with the side wall of the optical communication unit accommodating cavity 35, so that the optical cable has a good vibration-resistant effect; when the optical cable receives torsion, the movement of the pressure-resistant part 53 can play a role in resisting torsion; meanwhile, the elasticity of the compression-resistant part 53 can enable the optical cable to have the shock resistance; the utility model discloses a loose tube 3 can also regard as self-supporting center tube optical cable to lay wire alone.
The utility model provides an among the prior art cross resistance to compression frame between horizontal resistance to compression board and the vertical resistance to compression board anti side pressure performance weak, the structure is complicated, is unfavorable for the problem of production.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (10)

1. A high-strength optical cable is provided with an outer protective layer (1), a belting layer (2), a plurality of loose tubes (3) and a framework (5), wherein the belting layer (2) is positioned outside the framework (5), the outer protective layer (1) is positioned outside the belting layer (2), the high-strength optical cable is characterized in that the framework (5) is composed of a framework main body (51), a plurality of loose tube accommodating cavities (52) are arranged on the framework main body (51), a pair of arc-shaped compression-resistant components (53) are arranged at two ends of an opening of each loose tube accommodating cavity (52), a groove (54) is formed inside each compression-resistant component (53), each loose tube (3) is composed of a loose tube main body (34), a rib (33) and a hanging part (31), the rib (33) is positioned above the loose tube main body (34), the hanging part (31) is positioned above the rib (33), two arc-shaped hanging grooves (32) are formed by two sides of the hanging part (31) and the, the optical communication unit that the inside of pine sleeve pipe main part (34) forms one and holds chamber (35), optical communication unit holds and is equipped with an optical communication unit (4) at least in the chamber (35), pine sleeve pipe main part (34) are located pine sleeve pipe and hold chamber (52), and it hangs on compression-resistant part (53) to hang to lean on part (31), hangs the outer wall of laminating compression-resistant part (53) in groove (32), and muscle (33) are located the opening part that the pine sleeve pipe held chamber (52), and the width that hangs and lean on part (31) is greater than the open-ended width that the pine sleeve pipe held chamber (52), and the width of pine sleeve pipe main part (34) is greater than the open-ended width that the pine sleeve pipe held chamber (52), and pine sleeve pipe main part (34) do not hold chamber (52) lateral wall contact with the pine sleeve pipe, compression-resistant part.
2. A high strength optical cable according to claim 1, wherein a cushion (7) is further provided between two non-adjacent pairs of the compression-resistant members (53), the cushion (7) is formed by two cushion bodies (71) and a connecting member (72) connecting the two cushion bodies (71), the cushion bodies (71) are located in the grooves (54), the connecting member (72) has an arc shape, and the cushion bodies (71) have elasticity.
3. A high strength optical cable according to claim 1, wherein said wrapping layer (2) is made of steel or aluminum tape or water-blocking tape or non-woven tape.
4. A high strength optical cable according to claim 1, wherein the material of said outer sheath (1) is low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
5. A high strength optical cable according to claim 1, wherein said loose tube main body (34) is made of polybutylene terephthalate or modified polypropylene.
6. A high-strength optical cable according to claim 1, wherein said optical communication unit (4) is an optical fiber or an optical fiber ribbon formed by combining at least two optical fibers or an optical fiber ribbon body formed by stacking at least two optical fiber ribbons.
7. A high-strength optical cable according to claim 6, wherein the type of said optical fiber is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type, or A1c type.
8. A high-strength optical cable according to claim 1, wherein an electric unit (6) is further provided between two non-adjacent pairs of the pressure-resistant members (53), and an outer diameter of the electric unit (6) is smaller than a height of the pressure-resistant members (53).
9. A high-strength optical cable according to claim 8, wherein said electric unit (6) is composed of an electric conductor and an insulating layer extruded outside the electric conductor.
10. A high strength optical cable according to claim 9, wherein said insulating layer material is low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
CN202021777297.XU 2020-08-22 2020-08-22 High-strength optical cable Active CN212321939U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111897069A (en) * 2020-08-22 2020-11-06 常熟高通智能装备有限公司 Special-shaped compression-resistant optical cable
CN113655579A (en) * 2021-08-30 2021-11-16 江苏长飞中利光纤光缆有限公司 Layer stranded optical cable with heart-shaped unit
CN114384656A (en) * 2022-03-01 2022-04-22 长飞光电线缆(苏州)有限公司 Optical fiber ribbon optical cable with elastic wrapping outer protective layer
CN115480352A (en) * 2022-10-18 2022-12-16 江苏中天科技股份有限公司 Self-supporting optical cable

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111897069A (en) * 2020-08-22 2020-11-06 常熟高通智能装备有限公司 Special-shaped compression-resistant optical cable
CN111897069B (en) * 2020-08-22 2024-05-28 河北哈鑫科技有限公司 Special-shaped compression-resistant optical cable
CN113655579A (en) * 2021-08-30 2021-11-16 江苏长飞中利光纤光缆有限公司 Layer stranded optical cable with heart-shaped unit
CN113655579B (en) * 2021-08-30 2023-03-03 长飞光电线缆(苏州)有限公司 Layer stranded optical cable with heart-shaped unit
CN114384656A (en) * 2022-03-01 2022-04-22 长飞光电线缆(苏州)有限公司 Optical fiber ribbon optical cable with elastic wrapping outer protective layer
CN115480352A (en) * 2022-10-18 2022-12-16 江苏中天科技股份有限公司 Self-supporting optical cable
CN115480352B (en) * 2022-10-18 2023-08-11 江苏中天科技股份有限公司 Self-supporting optical cable

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