CN210376806U - Loose tube layer-stranded photoelectric mixed optical cable - Google Patents
Loose tube layer-stranded photoelectric mixed optical cable Download PDFInfo
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- CN210376806U CN210376806U CN201921575986.XU CN201921575986U CN210376806U CN 210376806 U CN210376806 U CN 210376806U CN 201921575986 U CN201921575986 U CN 201921575986U CN 210376806 U CN210376806 U CN 210376806U
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- outer sheath
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- buffer tube
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Abstract
The utility model discloses a loose tube layer stranded photoelectric mixed optical cable, which comprises an outer sheath layer, a hollow buffer tube, an optical fiber unit, a plastic reinforcement and a metal mesh sheet; the hollow buffer tube is arranged in the inner cavity of the outer sheath layer, and an annular mounting space is formed between the hollow buffer tube and the outer sheath layer; the optical fiber units are arranged between the outer sheath layer and the hollow buffer tube, and a plurality of optical fiber units are arranged along the annular installation space; the plastic reinforcing parts are provided in plurality and are respectively arranged between every two optical fiber units; the metal mesh is embedded in the side wall of the outer sheath layer and a plurality of metal meshes are arranged at intervals. The utility model discloses a hollow buffer tube can play good support to peripheral optical fiber unit, and when the optical cable received external pressure, hollow buffer tube can buffer pressure, avoids pressure direct action on optical fiber unit, still is convenient for place the signal line in the hollow buffer tube to and the electric power transmission line, improve the suitability of optical cable.
Description
Technical Field
The utility model relates to an optical fiber cable field especially relates to a loose tube layer stranded photoelectric mixed type optical cable.
Background
Outdoor communication optical cables can be generally classified into a layer stranding type, a central tube type and a skeleton type. At present, the existing loose tube layer stranded optical cable has the defect of poor pressure resistance when being applied to the outdoor environment, and is easily impacted by various pressures in the outdoor environment, but the existing loose tube layer stranded optical cable does not have passive buffer performance, when external impact is received, the pressure directly acts on a cable core, the cable core is easily damaged, and the structure of the cable core can not avoid animals from biting and damaging the inner cable core.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a loose tube layer strand formula photoelectric mixed type optical cable that crushing resistance is good, the maintenance of being convenient for is maintained.
Realize the utility model discloses the technical scheme of purpose is: a loose tube layer stranded photoelectric mixed optical cable comprises an outer sheath layer, a hollow buffer tube, an optical fiber unit, a plastic reinforcement and a metal mesh; the hollow buffer tube is arranged in the inner cavity of the outer sheath layer, and an annular mounting space is formed between the hollow buffer tube and the outer sheath layer; the optical fiber units are arranged between the outer sheath layer and the hollow buffer tube, and a plurality of optical fiber units are arranged along the annular installation space; the plastic reinforcing parts are provided in plurality and are respectively arranged between every two optical fiber units; the metal mesh is embedded in the side wall of the outer sheath layer and a plurality of metal meshes are arranged at intervals.
The hollow buffer tube comprises a supporting hose and a metal mesh layer arranged on the inner wall of the supporting hose; and a signal wire and/or a power transmission wire are/is arranged in the inner cavity of the supporting hose.
The optical fiber unit comprises a loose tube and an optical fiber arranged in the loose tube.
The cross section of the metal mesh sheet is arc-shaped.
The cross section of the plastic reinforcing piece is of a circular ring shape, and the outer diameter of the plastic reinforcing piece is the same as the distance between the hollow buffer tube and the outer sheath layer.
And water-blocking yarns are filled between the hollow buffer tube and the outer sheath layer.
By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses a hollow buffer tube can play good support to peripheral optical fiber unit, when the optical cable receives external pressure, hollow buffer tube can buffer pressure, avoid pressure direct action on optical fiber unit, still be convenient for place the signal line in the hollow buffer tube, and the power transmission line, improve the suitability of optical cable, the oversheath in situ is inlayed and is had metal mesh, avoid stinging the inside optical fiber unit of destruction by the animal, the metal mesh multi-disc spaced type sets up and does not influence the maintenance, through plastics reinforcement interval between per two adjacent optical fiber units, to needs when maintaining the construction maintain single optical fiber unit maintain can, do not influence all the other optical fiber unit normal work, destroy the optical cable structure in a large number when avoiding maintaining.
(2) The utility model discloses a hollow buffer tube is including supporting the hose to and set up the metal mesh layer on supporting the hose inner wall, the supporting hose that the metal mesh layer made has good pliability, and the cushioning effect is better when supporting the optical fiber unit that can be better.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers are: the cable comprises an outer sheath layer 1, a hollow buffer tube 2, a supporting hose 2-1, a metal mesh layer 2-2, an optical fiber unit 3, a loose tube 3-1, a cable core 3-2, a plastic reinforcement 4, a metal mesh 5 and a water blocking yarn 6.
Detailed Description
Example one
Referring to fig. 1, the loose tube layer stranded photoelectric hybrid optical cable of the present embodiment includes an outer sheath layer 1, a hollow buffer tube 2, an optical fiber unit 3, a plastic reinforcement 4, and a metal mesh 5.
The hollow buffer tube 2 is arranged in the inner cavity of the outer sheath layer 1, and an annular installation space is arranged between the hollow buffer tube 2 and the outer sheath layer 1. The optical fiber unit 3 is provided between the outer jacket layer 1 and the hollow buffer tube 2, and a plurality of optical fiber units are provided along the annular installation space. The plastic reinforcing member 4 is provided in plural and is provided between each two optical fiber units 3. The metal mesh 5 is embedded in the side wall of the outer sheath layer 1 and a plurality of metal meshes are arranged at intervals. Hollow buffer tube 2 can play good support to peripheral optical fiber unit 3, when the optical cable received external pressure, hollow buffer tube 2 can buffer pressure, avoid pressure direct action on optical fiber unit 3, hollow buffer tube 2 is still convenient for place the signal line, and the power transmission line, improve the suitability of optical cable, oversheath layer 1 is embedded to have metal mesh piece 5, avoid stinging to destroy inside optical fiber unit 3 by the animal, the maintenance is not influenced in the setting of metal mesh multi-disc interval, through 4 intervals of plastics reinforcement between per two adjacent optical fiber unit 3, to need maintain single optical fiber unit 3 when maintaining the construction can, do not influence all the other optical fiber unit 3 normal work, destroy the optical cable structure in a large number when avoiding maintaining.
In this embodiment, the hollow buffer tube 2 comprises a support hose 2-1 and a metallic mesh layer 2-2 arranged on the inner wall of the support hose 2-1. The metal mesh layer 2-2 enables the supporting hose 2-1 to have excellent flexibility, and the supporting hose can better support the optical fiber unit 3 and has better buffering effect. A signal wire and/or a power transmission wire are/is arranged in the inner cavity of the supporting hose 2-1.
In the present embodiment, the optical fiber unit 3 includes a loose tube 3-1, and an optical fiber 3-2 provided in the loose tube 3-1. The cross section of the metal mesh 5 is arc-shaped. The cross-section of the plastic strength member 4 is circular and the outer diameter of the plastic strength member 4 is the same as the distance between the hollow buffer tube 2 and the outer jacket layer 1. And a water blocking yarn 6 is filled between the hollow buffer tube 2 and the outer sheath layer 1. The inner wall of the outer sheath layer 1 is provided with a glass yarn layer.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a pine sleeve pipe layer-stranding formula photoelectricity mixed type optical cable which characterized in that: comprises an outer sheath layer (1), a hollow buffer tube (2), an optical fiber unit (3), a plastic reinforcing piece (4) and a metal mesh (5); the hollow buffer tube (2) is arranged in the inner cavity of the outer sheath layer (1), and an annular installation space is formed between the hollow buffer tube (2) and the outer sheath layer (1); the optical fiber units (3) are arranged between the outer sheath layer (1) and the hollow buffer tube (2), and a plurality of optical fiber units are arranged along the annular installation space; the plastic reinforcing parts (4) are provided in plurality and are respectively arranged between every two optical fiber units (3); the metal mesh (5) is embedded in the side wall of the outer sheath layer (1) and a plurality of metal meshes are arranged at intervals.
2. The loose tube layer-stranded photoelectric hybrid optical cable of claim 1, wherein: the hollow buffer tube (2) comprises a supporting hose (2-1) and a metal mesh layer (2-2) arranged on the inner wall of the supporting hose (2-1); a signal wire and/or a power transmission wire are/is arranged in the inner cavity of the supporting hose (2-1).
3. The loose tube layer-stranded photoelectric hybrid optical cable of claim 1, wherein: the optical fiber unit (3) comprises a loose tube (3-1) and an optical fiber (3-2) arranged in the loose tube (3-1).
4. The loose tube layer-stranded photoelectric hybrid optical cable of claim 1, wherein: the cross section of the metal mesh (5) is arc-shaped.
5. The loose tube layer-stranded photoelectric hybrid optical cable of claim 1, wherein: the cross section of the plastic reinforcing piece (4) is of a circular ring shape, and the outer diameter of the plastic reinforcing piece (4) is the same as the distance between the hollow buffer tube (2) and the outer sheath layer (1).
6. The loose tube layer-stranded photoelectric hybrid optical cable of claim 1, wherein: and a water blocking yarn (6) is filled between the hollow buffer tube (2) and the outer sheath layer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921575986.XU CN210376806U (en) | 2019-09-22 | 2019-09-22 | Loose tube layer-stranded photoelectric mixed optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921575986.XU CN210376806U (en) | 2019-09-22 | 2019-09-22 | Loose tube layer-stranded photoelectric mixed optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210376806U true CN210376806U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921575986.XU Active CN210376806U (en) | 2019-09-22 | 2019-09-22 | Loose tube layer-stranded photoelectric mixed optical cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN210376806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703106A (en) * | 2021-07-27 | 2021-11-26 | 杭州富通通信技术股份有限公司 | Optical cable |
-
2019
- 2019-09-22 CN CN201921575986.XU patent/CN210376806U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703106A (en) * | 2021-07-27 | 2021-11-26 | 杭州富通通信技术股份有限公司 | Optical cable |
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