CN2526864Y - Optical cable protective sleeve - Google Patents
Optical cable protective sleeve Download PDFInfo
- Publication number
- CN2526864Y CN2526864Y CN 02233170 CN02233170U CN2526864Y CN 2526864 Y CN2526864 Y CN 2526864Y CN 02233170 CN02233170 CN 02233170 CN 02233170 U CN02233170 U CN 02233170U CN 2526864 Y CN2526864 Y CN 2526864Y
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- CN
- China
- Prior art keywords
- reduced
- optical cable
- protective sleeve
- ribs
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an optical cable protective sleeve which comprises an outer layer circular tube made of the high-density polyethylene and a sandwich layer circular tube made of the silicone plastics. The inner surface of the sandwich layer circular tube of the protective sleeve is provided with ribs which are uniformly distributed and are mutually paralleled along the circumference, wherein the cross-section of each of the rib is in a crest shape, and the top of each of the ribs is in a small circular arc shape. The utility model has the advantages that the inner surface of the tube is provided with the ribs of which the cross-section are respectively in a crest shape according to the proper protectiveness of the crest from living things and the abrasion resistance of environmental medium in bioengineering technique, so that the contact area of the optical fiber cable and the inner layer of the tube can be reduced, and accordingly, the friction is reduced and the laying efficiency is enhanced. Because every tray of threading protective sleeve is lengthened to 3 kilometers long, the work distance is naturally lengthened, and the adaptors of the optical fiber cable is reduced, so that the attenuation of optical signals is decreased, and the cost of the laying engineering is also reduced.
Description
Technical field
The utility model relates to a kind of tubing that lays cable, particularly imbeds the pipeline material of method length apart from laying optical cable with gases at high pressure.
Background technology
At present, the protecting pipe skin of laying optical cable is gone out by the silastomer composite co-extruding by high density polyethylene (HDPE) material, internal layer and the tubing made, is used for the threading of optical cable, plays and buries the ground protective effect.Owing to the dry lubrication of silastomer, can reduce the friction force of threading operation.General every dish threading jacket ducts 1.5-2 kilometer is long, with gases at high pressure optical cable is embedded pipeline during operation, carries out high speed and lays.Because pipeline contact with the optical cable arc surface and form to rub, influence laying speed and apart from being restricted.In addition,, increased the joint of optical cable, caused attenuated optical signal because jacket ducts length is limit.
Summary of the invention
In order to address the above problem, the purpose of this utility model provides the jacket ducts of a kind of minimizing and optical cable contact area, and the length that prolongs every jacket ducts simultaneously reduces the pipe production cost.
In order to achieve the above object, technical solution of the present utility model provides a kind of optical cable protecting casing, comprise the outer pipe of making by high density polyethylene 1, it is characterized in that on the inside surface of described protecting pipe sandwich layer pipe 2, be provided with along the equally distributed rib that is parallel to each other 3 of circumference.
The xsect of described every rib 3 is the spinous process shape, and it is little circular-arc that its top is.
Good effect of the present utility model be owing to inner surface of pipeline be provided with spinous process in the bionical thing engineering to biological protectiveness and surrounding medium wearing quality itself design-section is spinous process shape rib, can reduce the contact area of optical cable and inner tube layer, thereby reduced friction, improved and laid efficient; Because every dish threading protecting pipe has extended to 3 kilometers long, has just prolonged the operation distance naturally, has reduced the joint of optical cable, and attenuated optical signal is diminished, and has also reduced the cost of laying work.
Description of drawings
Fig. 1 is a prior art optical cable protecting casing cross sectional representation.
Fig. 2 is the utility model optical cable protecting casing cross sectional representation.
Fig. 3 is that the A of Fig. 2 is to enlarged diagram.
Embodiment
Reaching embodiment in conjunction with the accompanying drawings is elaborated to the utility model.
As shown in Figure 1, 2, 3, optical cable protecting casing comprises outer pipe of being made by high density polyethylene 1 and the sandwich layer pipe of being made by silastomer 2, on the inside surface of described protecting pipe sandwich layer pipe 2, is provided with along the equally distributed rib that is parallel to each other 3 of circumference.The xsect of every rib 3 is the spinous process shape, and it is little circular-arc that its top is.
Optical cable protecting casing of the present utility model is to realize like this, the protecting pipe skin is gone out by the silastomer composite co-extruding by high density polyethylene (HDPE) material, internal layer and the tubing made, when design extruder mould, adopted bionical thing engineering, make the inner tube structure of silastomer be provided with section (xsect) and be spinous process shape rib, attenuate the silastomer underlayer thickness be used for the spinous process muscle.Owing to changed the structure of silastomer internal layer, reduced the contact area of optical cable and inner tube layer, reduced friction force.Even in use the little circular arc in spinous process top is worn and torn to some extent, still have the second rank circular arc support.Produce the tubing of this structure, reduced the tubing cost.Simultaneously, the operation distance that makes every dish threading protecting pipe extend to 3 kilometers, thereby the joint of minimizing optical cable diminish attenuated optical signal, have also reduced the cost of laying work.
Claims (2)
1, a kind of optical cable protecting casing comprises the outer pipe of being made by high density polyethylene (1), it is characterized in that being provided with along the equally distributed rib that is parallel to each other of circumference (3) on the inside surface of the sandwich layer pipe (2) of described protecting pipe.
2, optical cable protecting casing according to claim 1, the xsect that it is characterized in that described every rib (3) is the spinous process shape, it is little circular-arc that its top is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233170 CN2526864Y (en) | 2002-04-26 | 2002-04-26 | Optical cable protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233170 CN2526864Y (en) | 2002-04-26 | 2002-04-26 | Optical cable protective sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2526864Y true CN2526864Y (en) | 2002-12-18 |
Family
ID=33708374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02233170 Expired - Fee Related CN2526864Y (en) | 2002-04-26 | 2002-04-26 | Optical cable protective sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2526864Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2548710A1 (en) * | 2011-07-18 | 2013-01-23 | Wavin B.V. | Method for manufacturing a microtube |
| CN105276335A (en) * | 2014-06-24 | 2016-01-27 | 上海亚大汽车塑料制品有限公司 | Vehicle pipeline device preventing vehicle pipeline interference |
| CN108020894A (en) * | 2018-01-24 | 2018-05-11 | 苏州专创光电科技有限公司 | A kind of stress optical cable with infiltration monitoring function |
-
2002
- 2002-04-26 CN CN 02233170 patent/CN2526864Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2548710A1 (en) * | 2011-07-18 | 2013-01-23 | Wavin B.V. | Method for manufacturing a microtube |
| FR2978081A1 (en) * | 2011-07-18 | 2013-01-25 | Wavin Bv | METHOD FOR MANUFACTURING A MICRO TUBE |
| CN105276335A (en) * | 2014-06-24 | 2016-01-27 | 上海亚大汽车塑料制品有限公司 | Vehicle pipeline device preventing vehicle pipeline interference |
| CN108020894A (en) * | 2018-01-24 | 2018-05-11 | 苏州专创光电科技有限公司 | A kind of stress optical cable with infiltration monitoring function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021218 |