CN209928080U - Optical cable structure - Google Patents
Optical cable structure Download PDFInfo
- Publication number
- CN209928080U CN209928080U CN201920538151.0U CN201920538151U CN209928080U CN 209928080 U CN209928080 U CN 209928080U CN 201920538151 U CN201920538151 U CN 201920538151U CN 209928080 U CN209928080 U CN 209928080U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- fiber unit
- polyethylene
- loose tube
- sheath
- 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
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 23
- 239000013307 optical fiber Substances 0.000 claims abstract description 62
- 239000004698 Polyethylene Substances 0.000 claims abstract description 46
- -1 polyethylene Polymers 0.000 claims abstract description 46
- 229920000573 polyethylene Polymers 0.000 claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011247 coating layer Substances 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 210000002615 epidermis Anatomy 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model relates to an optical cable structure, which comprises a polyethylene inner sheath, a polyethylene outer sheath sleeved outside the polyethylene inner sheath, two aluminum strip coating layers arranged between the polyethylene inner sheath and the polyethylene outer sheath, a central reinforcing core arranged inside the polyethylene inner sheath, an optical fiber unit arrangement sheath arranged between the central reinforcing core and the polyethylene inner sheath, a plurality of optical fiber unit arrangement channels arranged on the optical fiber unit arrangement sheath, and optical fiber units arranged in the optical fiber unit arrangement channels; the optical fiber unit comprises a loose tube, a plurality of optical fibers are placed in the loose tube, a plurality of fixing protrusions are annularly arranged on the outer wall of the loose tube, a plurality of clamping protrusions are arranged on the inner wall of the optical fiber unit installation channel, clamping grooves are formed between adjacent clamping protrusions, and the fixing protrusions and the clamping grooves are clamped on the outer wall of the loose tube. The loose tube of the optical fiber unit is stably installed in the optical fiber unit installation channel, the loose tube cannot rotate, the compact and stable structure of the optical cable is guaranteed, and the transmission quality of the optical fiber is improved.
Description
Technical Field
The utility model belongs to the technical field of communication and specifically relates to an optical cable structure.
Background
The optical fiber is a shorthand of an optical fiber, is a fiber made of glass or plastic, and can be used as a light conduction tool, when the optical fiber is used, a protective layer is required to be coated on the outer side of the optical fiber, a plurality of optical fiber units and the protective layer form the optical cable, the existing optical cable structure comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and in addition, a waterproof layer, a buffer layer, an insulated metal wire and other components are also arranged according to requirements.
Disclosure of Invention
The utility model aims at providing an optical cable structure in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an optical cable structure comprises a polyethylene inner sheath, a polyethylene outer sheath sleeved outside the polyethylene inner sheath, two aluminum tape coating layers arranged between the polyethylene inner sheath and the polyethylene outer sheath, wherein the two aluminum tape coating layers are an inner aluminum tape coating layer and an outer aluminum tape coating layer respectively;
the optical fiber unit comprises a loose tube, a plurality of optical fibers are placed in the loose tube, a plurality of fixing protrusions are annularly arranged on the outer wall of the loose tube, a plurality of clamping protrusions are arranged on the inner wall of the optical fiber unit placing channel, clamping grooves are formed between adjacent clamping protrusions, the loose tube is located in the optical fiber unit placing channel, and the fixing protrusions and the clamping grooves on the outer wall of the loose tube are clamped.
According to the optical cable structure, the steel wire armor layer is arranged between the outer aluminum strip coating layer and the inner aluminum strip coating layer and between the inner aluminum strip coating layer and the polyethylene inner sheath.
In the optical cable structure, the outer aluminum tape coating layer is located on the inner side of the polyethylene outer sheath and is in contact with the inner wall of the polyethylene outer sheath.
In the optical cable structure, the loose tube is filled with the loose tube filler.
In the optical cable structure, the fixing protrusion and the loose tube are integrally formed.
The utility model has the advantages that: an optical fiber unit installation sleeve is arranged between a central reinforced core of the optical cable and a polyethylene inner sheath, the optical fiber unit installation sleeve is provided with a plurality of optical fiber unit installation channels, and optical fiber units are installed in the optical fiber unit installation channels; the optical fiber unit comprises a loose tube, a plurality of optical fibers are placed in the loose tube, a plurality of fixing bulges are annularly arranged on the outer wall of the loose tube, a plurality of clamping bulges are arranged on the inner wall of the optical fiber unit installation channel, clamping grooves are formed between adjacent clamping bulges, the loose tube is positioned in the optical fiber unit installation channel, the fixing bulges on the outer wall of the loose tube are clamped with the clamping grooves, the loose tube of the optical fiber unit is stably installed in the optical fiber unit installation channel, the loose tube cannot rotate, the compact and stable structure of the optical cable is ensured, and the transmission quality of the optical fibers is improved;
in addition, be equipped with two-layer aluminium strip coating between polyethylene inner sheath and the polyethylene oversheath, two-layer aluminium strip coating is inboard aluminium strip coating and outside aluminium strip coating respectively, between outside aluminium strip coating and the inboard aluminium strip coating, be equipped with the steel wire armor between inboard aluminium strip coating and the polyethylene inner sheath, the polyethylene inner sheath plays the effect of inside buffering, the polyethylene oversheath plays the effect of epidermis cladding protection, double-deck steel wire armor has played the effect of dual enhancement protection, the intensity of optical cable has further been improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the fiber unit housing according to the present invention;
FIG. 3 is a schematic cross-sectional view of the fiber unit installation passage according to the present invention;
fig. 4 is a schematic cross-sectional view of the optical fiber unit of the present invention.
Detailed Description
As shown in fig. 1 to 4, an optical cable structure includes a polyethylene inner sheath 1, a polyethylene outer sheath 2 sleeved outside the polyethylene inner sheath 1, two aluminum tape coating layers arranged between the polyethylene inner sheath 1 and the polyethylene outer sheath 2, the two aluminum tape coating layers being an inner aluminum tape coating layer 3 and an outer aluminum tape coating layer 4, respectively, a central reinforcing core 5 arranged inside the polyethylene inner sheath 1, an optical fiber unit accommodating sheath 6 arranged between the central reinforcing core 5 and the polyethylene inner sheath 1, the optical fiber unit accommodating sheath 6 having a plurality of optical fiber unit accommodating channels 7, and an optical fiber unit 8 arranged in the optical fiber unit accommodating channel 7;
optical fiber unit 8 includes loose sleeve pipe 9, place many optic fibre 10 in the loose sleeve pipe 9, loose sleeve pipe filler is filled in the loose sleeve pipe 9, loose sleeve pipe filler can be for hindering the water material, a plurality of fixed archs 11 of annular arrangement on loose sleeve pipe 9's the outer wall, fixed archs 11 and loose sleeve pipe 9 integrated into one piece, be equipped with a plurality of block arch 12 on optical fiber unit settles the inner wall of passageway 7, form block groove 13 between the adjacent block arch 12, loose sleeve pipe 9 is located optical fiber unit and settles passageway 7, fixed arch 11 and block groove 13 block on the loose sleeve pipe 9 outer wall.
Further, a steel wire armor layer 14 is arranged between the outer aluminum strip coating layer 4 and the inner aluminum strip coating layer 3, and between the inner aluminum strip coating layer 3 and the polyethylene inner sheath 1. The outer aluminum strip coating layer 4 is positioned on the inner side of the polyethylene outer sheath 2 and is in contact with the inner wall of the polyethylene outer sheath 2.
An optical fiber unit installing sleeve 6 is arranged between a central reinforced core 5 and a polyethylene inner sheath 1 of the optical cable, the optical fiber unit installing sleeve 6 is provided with a plurality of optical fiber unit installing channels 7, and optical fiber units 8 are arranged in the optical fiber unit installing channels 7; the optical fiber unit 8 comprises a loose tube 9, a plurality of optical fibers 10 are placed in the loose tube 9, loose tube fillers are filled in the loose tube 9, the loose tube fillers can be water-blocking substances, a plurality of fixing protrusions 11 are annularly arranged on the outer wall of the loose tube 9, the fixing protrusions 11 and the loose tube 9 are integrally formed, a plurality of clamping protrusions 12 are arranged on the inner wall of the optical fiber unit placing channel 7, clamping grooves 13 are formed between adjacent clamping protrusions 12, the loose tube 9 is located in the optical fiber unit placing channel 7, the fixing protrusions 11 on the outer wall of the loose tube 9 are clamped with the clamping grooves 13, the loose tube 9 of the optical fiber unit 8 is stably installed in the optical fiber unit placing channel 7, the loose tube 9 cannot rotate, the compact and stable structure of the optical cable is guaranteed, and the transmission quality of the optical fibers is improved;
in addition, be equipped with two-layer aluminium strip coating between polyethylene inner sheath 1 and the polyethylene oversheath 2, two-layer aluminium strip coating is inboard aluminium strip coating 3 and outside aluminium strip coating 4 respectively, between outside aluminium strip coating 4 and the inboard aluminium strip coating 3, be equipped with steel wire armor 14 between inboard aluminium strip coating 3 and the polyethylene inner sheath 1, polyethylene inner sheath 1 plays the effect of inside buffering, polyethylene oversheath 2 plays the effect of epidermis cladding protection, double-deck steel wire armor 14 has played the effect of dual enhancement protection, the intensity of optical cable has further been improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An optical cable structure comprises a polyethylene inner sheath, a polyethylene outer sheath sleeved outside the polyethylene inner sheath, two aluminum strip coating layers arranged between the polyethylene inner sheath and the polyethylene outer sheath, and an optical fiber unit accommodating sleeve arranged between the central reinforcing core and the polyethylene inner sheath, wherein the optical fiber unit accommodating sleeve is provided with a plurality of optical fiber unit accommodating channels, and optical fiber units are arranged in the optical fiber unit accommodating channels;
the optical fiber unit comprises a loose tube, a plurality of optical fibers are placed in the loose tube, a plurality of fixing protrusions are annularly arranged on the outer wall of the loose tube, a plurality of clamping protrusions are arranged on the inner wall of the optical fiber unit placing channel, clamping grooves are formed between adjacent clamping protrusions, the loose tube is located in the optical fiber unit placing channel, and the fixing protrusions and the clamping grooves on the outer wall of the loose tube are clamped.
2. An optical cable construction as claimed in claim 1, wherein a steel wire armour layer is provided between the outer and inner aluminium tape coatings and between the inner aluminium tape coating and the inner polyethylene sheath.
3. A cable construction according to claim 1, wherein the outer aluminium tape coating is located inside the outer polyethylene sheath and in contact with the inner wall of the outer polyethylene sheath.
4. An optical cable structure according to claim 1, wherein the loose tube is filled with a loose tube filler.
5. A cable structure according to claim 1, wherein the fixing projection is formed integrally with the loose tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538151.0U CN209928080U (en) | 2019-04-19 | 2019-04-19 | Optical cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538151.0U CN209928080U (en) | 2019-04-19 | 2019-04-19 | Optical cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209928080U true CN209928080U (en) | 2020-01-10 |
Family
ID=69074394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920538151.0U Expired - Fee Related CN209928080U (en) | 2019-04-19 | 2019-04-19 | Optical cable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209928080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534382A (en) * | 2021-07-28 | 2021-10-22 | 常熟共益信息科技有限公司 | Layer-stranded optical cable with pressure-resistant loose sleeve, ribbon optical cable and manufacturing method thereof |
-
2019
- 2019-04-19 CN CN201920538151.0U patent/CN209928080U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534382A (en) * | 2021-07-28 | 2021-10-22 | 常熟共益信息科技有限公司 | Layer-stranded optical cable with pressure-resistant loose sleeve, ribbon optical cable and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 Termination date: 20210419 |