CN202735562U - Clearance-type filling rope and optical cable adopting the same - Google Patents
Clearance-type filling rope and optical cable adopting the same Download PDFInfo
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- CN202735562U CN202735562U CN 201220291149 CN201220291149U CN202735562U CN 202735562 U CN202735562 U CN 202735562U CN 201220291149 CN201220291149 CN 201220291149 CN 201220291149 U CN201220291149 U CN 201220291149U CN 202735562 U CN202735562 U CN 202735562U
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- packing
- clearance
- gasket
- optical cable
- small bore
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Abstract
The utility model belongs to the optical cable technology field and relates to a clearance-type filling rope and an optical cable adopting the same. The clearance-type filling rope consists of a filling rope body and is characterized in that the filling rope body consists of a small cross-section portion and a large cross-section portion distributed in a spacing manner; on a projection in a plane vertical to an axis of the large cross-section portion, boundary of the small cross-section portion is mounted in boundary of the large cross-section portion and area ratio of the small cross-section portion and the large cross-section portion is greater than or equal to 40% and less than or equal to 85%; length of the large cross-section portion L1 is greater than or equal to 3000 mm and a scope of length of the small cross-section portion L2 is between 10 mm and 1000 mm; and the filling rope body is made of a composite material. The utility model also discloses the optical cable adopting the filling rope. Compare with original filling ropes, the clearance-type filling rope provided by the utility model is smaller in the used material and better in toughness. Compare with the optical cable in the prior art, the optical cable provided by the utility model has equal performance and is lower in cost.
Description
Technical field
The utility model belongs to the optical cable technology field, especially relates to layer-stranding cable with the clearance-type gasket for packing and adopts the optical cable of this gasket for packing.
Background technology
Layer stranded type communication cable at home and abroad is widely applied, in the domestic network that mainly is used in the operators such as telecommunications, UNICOM, movement, broadcasting and TV.Layer-stranding cable normally is made of cable core, sheath and presumable protective seam, and cable core is positioned at optical cable central authorities, comprises loose sleeve pipe in the cable core, comprises optical fiber or fibre ribbon in the loose sleeve pipe; May comprise gasket for packing in the cable core, when gasket for packing was arranged, gasket for packing was stranded with loose sleeve pipe, filled greasy for preventing water in the stranded cable core gap.Along with the continuous increase of portfolio and the variation of purposes, do not use the demand of the layer-stranding cable of greasy for preventing water constantly to rise in the cable core gap.In the layer-stranding cable, in the less optical cable of core number, the effect of gasket for packing is to make the relative rounding of optical cable core, thereby guarantees the stable of cable configuration, therefore, in the prior art, gasket for packing all adopts columniform plastics to make, and uses optical cable more or that the gasket for packing diameter is thicker for gasket for packing, and the consumption of gasket for packing is quite large, therefore, very uneconomical.The patent No. is in the utility model patent of ZL200910220927.5, adopts the gasket for packing of local hollow to realize reducing the purpose of gasket for packing consumption, but the applicant thinks that processing is difficult for.
Summary of the invention
For addressing the above problem, one of the purpose of this utility model is to disclose another kind of clearance-type gasket for packing, and it is realized by the following technical solutions.
The clearance-type gasket for packing, it is made of gasket for packing body 1, it is characterized in that the gasket for packing body is to be made of small bore part 11 and heavy in section part 12 that the space distributes, and small bore part and heavy in section part are integrally formed; With the perpendicular plane of heavy in section segment axis in projection on, the small bore portion boundary is positioned within the portion boundary of heavy in section and the ratio of the area of small bore part and the area of heavy in section part is [40%, 85%]; Length L 1 〉=the 3000mm of heavy in section part, the scope of the length L 2 of small bore part is [10mm, 1000mm]; Described gasket for packing body is to adopt the raw material that includes following component and percentage by weight to make: polypropylene 40%～70%, optical cable medium density polyethylene 18%～35%, Tissuemat E 2%～6%, linear low density polyethylene 10%～20%.
Two of the purpose of this utility model is to disclose a kind of layer-stranding cable that adopts above-mentioned gasket for packing, and it is realized by the following technical solutions.
A kind of layer-stranding cable with clearance-type gasket for packing is characterized in that it is by the central reinforce member 4 that is positioned at central authorities, consists of with the stranded at least one loose sleeve pipe 2 of the mode of SZ and at least one interradicular space formula gasket for packing, the restrictive coating 6 that is coated on loose sleeve pipe and the clearance-type gasket for packing around central reinforce member; Reach central reinforce member in the gap that pine sleeve pipe, clearance-type gasket for packing and restrictive coating form and have the member of blocking water 5 outward, have at least one light transmitting fiber 3 in the loose sleeve pipe; On arbitrary xsect of optical cable, has at least a small bore part.
Layer-stranding cable with clearance-type gasket for packing described above is characterized in that when arbitrary xsect of optical cable has a plurality of small bore part, and any two small bores part is not adjacent distributions.
Layer-stranding cable with clearance-type gasket for packing described above is characterized in that described light transmitting fiber is G652 type single-mode fiber or G655 type single-mode fiber or G657 type single-mode fiber or multimode optical fiber.
Layer-stranding cable with clearance-type gasket for packing described above, the material that it is characterized in that the described member that blocks water is water blocking yarn or waterproofing rope.
Layer-stranding cable with clearance-type gasket for packing described above, the material that it is characterized in that described central reinforce member are that steel wire or glass fibre increase plastic bar.
Layer-stranding cable with clearance-type gasket for packing described above, the material that it is characterized in that described restrictive coating are Low Density Polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon.
Clearance-type gasket for packing in the utility model is compared with original gasket for packing, and the material of use still less, toughness is better; Optical cable of the present utility model is compared with the optical cable of prior art, and performance is suitable, cost is lower.
Description of drawings
Fig. 1 is one section perspective view of the utility model clearance-type gasket for packing.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the front view of cross-section of the embodiment 1 of the utility model optical cable.
Fig. 4 is the front view of cross-section of the embodiment 2 of the utility model optical cable.
Fig. 5 is the front view of cross-section of the embodiment 3 of the utility model optical cable.
Fig. 6 is the front view of cross-section of the embodiment 4 of the utility model optical cable.
Fig. 7 is the front view of cross-section of the embodiment 5 of the utility model optical cable.
Fig. 8 is the front view of cross-section of the embodiment 6 of the utility model optical cable.
Fig. 9 is the front view of cross-section of the embodiment 7 of the utility model optical cable.
Embodiment
Ask for an interview Fig. 1 and Fig. 2, the clearance-type gasket for packing, it is made of gasket for packing body 1, it is characterized in that the gasket for packing body is to be made of small bore part 11 and heavy in section part 12 that the space distributes, and small bore part and heavy in section part are integrally formed; With the perpendicular plane of heavy in section segment axis in projection on, the small bore portion boundary is positioned within the portion boundary of heavy in section and the ratio of the area of small bore part and the area of heavy in section part is 40%; The length L 1=8000mm of heavy in section part, the length L 2=1000mm of small bore part; Described gasket for packing body is to adopt the raw material that includes following component and percentage by weight to make: polypropylene 50%, optical cable medium density polyethylene 24%, Tissuemat E 6%, linear low density polyethylene 20%.
Ask for an interview Fig. 1 and Fig. 2, the clearance-type gasket for packing, it is made of gasket for packing body 1, it is characterized in that the gasket for packing body is to be made of small bore part 11 and heavy in section part 12 that the space distributes, and small bore part and heavy in section part are integrally formed; With the perpendicular plane of heavy in section segment axis in projection on, the small bore portion boundary is positioned within the portion boundary of heavy in section and the ratio of the area of small bore part and the area of heavy in section part is 85%; The length L 1=3000mm of heavy in section part, the length L 2=800mm of small bore part; Described gasket for packing body is to adopt the raw material that includes following component and percentage by weight to make: polypropylene 60%, optical cable medium density polyethylene 25%, Tissuemat E 5%, linear low density polyethylene 10%.
Through repetition test, the applicant finds that the gasket for packing that meets following condition all can reach the purpose of this utility model: the clearance-type gasket for packing, it is made of gasket for packing body 1, it is characterized in that the gasket for packing body is to be made of small bore part 11 and heavy in section part 12 that the space distributes, small bore part and heavy in section part are integrally formed; With the perpendicular plane of heavy in section segment axis in projection on, the small bore portion boundary is positioned within the portion boundary of heavy in section and the ratio of the area of small bore part and the area of heavy in section part is [40%, 85%]; Length L 1 〉=the 3000mm of heavy in section part, the scope of the length L 2 of small bore part is [10mm, 1000mm]; Described gasket for packing body is to adopt the raw material that includes following component and percentage by weight to make: polypropylene 40%～70%, optical cable medium density polyethylene 18%～35%, Tissuemat E 2%～6%, linear low density polyethylene 10%～20%.
Ask for an interview Fig. 3, a kind of layer-stranding cable with clearance-type gasket for packing is characterized in that it is by the central reinforce member 4 that is positioned at central authorities, consists of with the stranded loose sleeve pipe 2 of the mode of SZ and four interradicular space formula gasket for packings, the restrictive coating 6 that is coated on loose sleeve pipe and the clearance-type gasket for packing around central reinforce member; Reach central reinforce member in the gap that pine sleeve pipe, clearance-type gasket for packing and restrictive coating form and have the member of blocking water 5 outward, have at least six roots of sensation light transmitting fiber 3 in the loose sleeve pipe; On the xsect of optical cable, has a small bore part 11; Be separated with a clearance-type gasket for packing between between small bore part and the loose sleeve pipe; Have three heavy in section parts 12 on this xsect.
Ask for an interview Fig. 4, a kind of layer-stranding cable with clearance-type gasket for packing, substantially with embodiment 3, difference is on the xsect of optical cable, small bore part 11 is adjacent with loose sleeve pipe and be positioned at loose sleeve pipe right side.
Ask for an interview Fig. 5, a kind of layer-stranding cable with clearance-type gasket for packing, substantially with embodiment 3, difference is on the xsect of optical cable, small bore part 11 is adjacent with loose sleeve pipe and be positioned at loose sleeve pipe left side.
Ask for an interview Fig. 6, a kind of layer-stranding cable with clearance-type gasket for packing, substantially with embodiment 3, difference is on the xsect of optical cable, a small bore part 11 is arranged in the left side of the small bore part of embodiment 3.
Embodiment 7
Ask for an interview Fig. 7, a kind of layer-stranding cable with clearance-type gasket for packing, substantially with embodiment 3, difference is on the xsect of optical cable to have two small bore parts 11, and the middle ware of two small bore parts is separated with an interradicular space formula gasket for packing.
Ask for an interview Fig. 8, a kind of layer-stranding cable with clearance-type gasket for packing, substantially with embodiment 7, difference is that the middle ware of two small bore parts on the xsect of optical cable is separated with a loose sleeve pipe.
Embodiment 9
Ask for an interview Fig. 9, a kind of layer-stranding cable with clearance-type gasket for packing, substantially with embodiment 7, difference is the position of two small bore parts on the xsect of optical cable.
Layer-stranding cable with clearance-type gasket for packing described above is characterized in that it is by the central reinforce member 4 that is positioned at central authorities, consists of with the stranded at least one loose sleeve pipe 2 of the mode of SZ and at least one interradicular space formula gasket for packing, the restrictive coating 6 that is coated on loose sleeve pipe and the clearance-type gasket for packing around central reinforce member; Reach central reinforce member in the gap that pine sleeve pipe, clearance-type gasket for packing and restrictive coating form and have the member of blocking water 5 outward, have at least one light transmitting fiber 3 in the loose sleeve pipe; On arbitrary xsect of optical cable, has at least a small bore part.
Layer-stranding cable with clearance-type gasket for packing described above is characterized in that when arbitrary xsect of optical cable has a plurality of small bore part, and any two small bores part is not adjacent distributions.
Layer-stranding cable with clearance-type gasket for packing described above is characterized in that described light transmitting fiber is G652 type single-mode fiber or G655 type single-mode fiber or G657 type single-mode fiber or multimode optical fiber.
Layer-stranding cable with clearance-type gasket for packing described above, the material that it is characterized in that the described member that blocks water is water blocking yarn or waterproofing rope.
Layer-stranding cable with clearance-type gasket for packing described above, the material that it is characterized in that described central reinforce member are that steel wire or glass fibre increase plastic bar.
Layer-stranding cable with clearance-type gasket for packing described above, the material that it is characterized in that described restrictive coating are Low Density Polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon.
Clearance-type gasket for packing in the utility model is compared with original gasket for packing, and the material of use still less, toughness is better; Optical cable of the present utility model is compared with the optical cable of prior art, and performance is suitable, cost is lower.
The utility model is not limited to above-mentioned preferred forms, should be appreciated that design of the present utility model can be by other various forms enforcement utilizations, and they drop in the protection domain of the present utility model equally.
Claims (7)
1. clearance-type gasket for packing, it is made of the gasket for packing body, it is characterized in that the gasket for packing body is to be made of small bore part and heavy in section part that the space distributes, small bore partly and the heavy in section part integrally formed; With the perpendicular plane of heavy in section segment axis in projection on, the small bore portion boundary is positioned within the portion boundary of heavy in section and the ratio of the area of small bore part and the area of heavy in section part is [40%, 85%]; Length L 1 〉=the 3000mm of heavy in section part, the scope of the length L 2 of small bore part is [10mm, 1000mm].
2. layer-stranding cable with clearance-type gasket for packing is characterized in that it is by the central reinforce member that is positioned at central authorities, consists of with the stranded at least one loose sleeve pipe of the mode of SZ and at least one clearance-type gasket for packing claimed in claim 1, the restrictive coating that is coated on loose sleeve pipe and the clearance-type gasket for packing around central reinforce member; Reach central reinforce member in the gap that pine sleeve pipe, clearance-type gasket for packing and restrictive coating form and have the member of blocking water outward, have at least one light transmitting fiber in the loose sleeve pipe; On arbitrary xsect of optical cable, has at least a small bore part.
3. the layer-stranding cable with clearance-type gasket for packing according to claim 2 is characterized in that when arbitrary xsect of optical cable has a plurality of small bore part, and any two small bores part is not adjacent distributions.
According to claim 2 or claimed in claim 3 any one have the layer-stranding cable of clearance-type gasket for packing, it is characterized in that described light transmitting fiber is G652 type single-mode fiber or G655 type single-mode fiber or G657 type single-mode fiber or multimode optical fiber.
According to claim 2 or claimed in claim 3 any one have the layer-stranding cable of clearance-type gasket for packing, the material that it is characterized in that the described member that blocks water is water blocking yarn or waterproofing rope.
According to claim 2 or claimed in claim 3 any one have the layer-stranding cable of clearance-type gasket for packing, the material that it is characterized in that described central reinforce member is that steel wire or glass fibre increase plastic bar.
According to claim 2 or claimed in claim 3 any one have the layer-stranding cable of clearance-type gasket for packing, the material that it is characterized in that described restrictive coating is Low Density Polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220291149 CN202735562U (en) | 2012-06-20 | 2012-06-20 | Clearance-type filling rope and optical cable adopting the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220291149 CN202735562U (en) | 2012-06-20 | 2012-06-20 | Clearance-type filling rope and optical cable adopting the same |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205797740U Division CN202995103U (en) | 2012-06-20 | 2012-06-20 | Clearance type filler rope and optical cable adopting clearance type filled rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735562U true CN202735562U (en) | 2013-02-13 |
Family
ID=47661247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220291149 Expired - Fee Related CN202735562U (en) | 2012-06-20 | 2012-06-20 | Clearance-type filling rope and optical cable adopting the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735562U (en) |
-
2012
- 2012-06-20 CN CN 201220291149 patent/CN202735562U/en not_active Expired - Fee Related
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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: 20130213 Termination date: 20130620 |