CN201569769U - Interspace type filler yarn and optical cable adopting same - Google Patents
Interspace type filler yarn and optical cable adopting same Download PDFInfo
- Publication number
- CN201569769U CN201569769U CN2009202692529U CN200920269252U CN201569769U CN 201569769 U CN201569769 U CN 201569769U CN 2009202692529 U CN2009202692529 U CN 2009202692529U CN 200920269252 U CN200920269252 U CN 200920269252U CN 201569769 U CN201569769 U CN 201569769U
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- gasket
- optical cable
- packing
- steel band
- yarn
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Abstract
The utility model relates to the optical cable technical field, particularly relates to an interspace type filler yarn and an optical cable adopting the same. The interspace type filler yarn is characterized in that a yarn body (11), a hollow body (13) inside the yarn body (11), and a partition body (12) separating the hollow body (13) are included; the hollow body (13) and the partition body (12) are alternatively distributed inside the yarn body (11); and the yarn body (11), the partition body (12), and the hollow body (13) are integrated as a whole. The utility model also relates to the optical cable adopting the filler yarn. The utility model solves the problems of the conventional stranded optical cable, including high filler consumption and high cable cost, and has the advantages of simple production of filler yarn, light weight, and low consumption. The optical cable adopting the filler yarn has light weight, low price, infiltration property and favorable performance on anti-lateral pressure, shock and stretching prevention.
Description
Technical field
The utility model relates to clearance-type gasket for packing that adopts in the optical cable technology field, particularly optical cable and the optical cable that adopts this gasket for packing.
Background technology
Along with the continuous development of the communications industry, optical cable is widely used in relating to all trades and professions of communication, as wired television network, GMS network, cdma network etc.The outdoor optical cable that adopts mainly contains central beam tube type, skeleton, layer-twisted type at present; Though the central beam tube type optical cable is simple in structure,, therefore, place fiber capacity therebetween limited because the external diameter of beam tube is limited; In addition, slotted core cable is owing to its process equipment complexity, costliness, and therefore, domestic seldom have manufacturer to produce; Layer-stranding cable is owing to adopt the many stranded formation optical cables of loose sleeve pipe, therefore the fine amount of the appearance of optical cable is quite big, and process easy, certainly, when the number of fibers that needs in the same optical cable when not being very big, complete for cable configuration needs to adopt many gasket for packings replace loose sleeve pipe usually, gasket for packing adopts plastics to extrude usually and forms, plastics be synthesize or from oil, refine after process; And along with industrialized continuous development, oil is more and more in short supply as non-renewable resources; Therefore, cause the price of the relevant product of oil constantly soaring; Therefore the price of layer-stranding cable also constantly increases; Increase cost, increased the expense of operator.
The utility model content
The purpose of this utility model is to address the above problem, a kind of clearance-type gasket for packing is provided and adopts the optical cable of this gasket for packing, it can guarantee product quality premise be issued to the utilization of resources still less, purpose that product is more cheap, it is realized by the following technical solutions:
The clearance-type gasket for packing is characterized in that: it be by the ducted body 13 of rope body 11, rope body 11 inside, and the partition body 12 that cuts off ducted body 13 constitute; Described ducted body 13 and partition body 12 are interspersed in rope body 11 inside; Rope body 11, partition body 12, ducted body 13 are integral structure.
Above-mentioned described gasket for packing is characterized in that: the length of the width G of described partition body 12 satisfies: 0.01 meter≤G≤2.99 meters.
Above-mentioned described gasket for packing is characterized in that: the length of the width L of described ducted body 13 satisfies: 0.01 meter≤L≤2.99 meters.
Above-mentioned described gasket for packing is characterized in that: the width of described adjacent partition body 12 arbitrarily and the width of ducted body 13 also satisfy simultaneously: 0.02 meter≤G+L≤3.00 meters.
Above-mentioned described gasket for packing is characterized in that: the outer diameter D of the thickness T of described rope body 11 and whole gasket for packing 1 satisfies: 0.05≤T/D≤0.2.
Further, above-mentioned described gasket for packing is characterized in that: the outer diameter D of the thickness T of described rope body 11 and whole gasket for packing 1 satisfies: T/D=0.1.
Above-mentioned described gasket for packing is characterized in that: described partition body 12 is identical or different plastic material with rope body 11.
Further, above-mentioned described gasket for packing is characterized in that: the material of described partition body 12 and rope body 11 is that polypropylene or linear low density polyethylene or polypropylene and linear low density polyethylene mass ratio are 1: 9-5: 5 potpourri.
Adopt the optical cable of above-mentioned gasket for packing, it is characterized in that: it includes loose sleeve pipe 3, at least one gasket for packing 1; Comprise at least one light transmitting fiber 2 in the pine sleeve pipe 3; Pine sleeve pipe 3 centers on central reinforce member 6 with left and right sides interlaced helical or single sinistral coiling or the stranded formation intertwist body of single dextrad spiral with gasket for packing 1; Intertwist body coats protective seam 4 outward, the protective seam 4 outer external sheath layers 5 that coat.
Above-mentioned described optical cable is characterized in that: described light transmitting fiber 2 is positioned at fibre ribbon.
Above-mentioned described optical cable is characterized in that: described light transmitting fiber 2 is single-mode fiber or multimode optical fiber or plastic optical fiber.
Above-mentioned described optical cable is characterized in that: described protective seam 4 is the waterstop of single variety or water blocking yarn or nonwoven fabrics or compound aluminium strip or composite steel band or glass fiber tape or mica tape.
Above-mentioned described optical cable is characterized in that: described protective seam 4 is composite bed, and this composite bed is followed successively by one of the following from the inside to the outside:
A, waterstop, compound aluminium strip;
B, waterstop, composite steel band;
C, water blocking yarn, compound aluminium strip;
D, water blocking yarn, composite steel band;
E, nonwoven fabrics, compound aluminium strip;
F, nonwoven fabrics, composite steel band;
G, be sheath, the composite steel band of base material with the tygon;
H, waterstop, be sheath, the composite steel band of base material with the tygon;
I, water blocking yarn, be sheath, the composite steel band of base material with the tygon.
Above-mentioned described optical cable is characterized in that: the material of described external sheath layer 5 is low density polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon or low-smoke low-halogen tygon or or smokeless halogen-free polyvinyl or nylon.
Above-mentioned described optical cable is characterized in that: the material of described central reinforce member 6 is metal or nonmetallic.
Above-mentioned described optical cable is characterized in that: in the described spiral intertwist body, the pitch range of spiral is 45 millimeters to 500 millimeters.
Owing to all stipulated layer-stranding cable among industry standard YD/T901-2001 of the Ministry of Posts and Telecommunications and the YD/T981-2009 etc., stipulated the specific requirement of optical cable infiltration, promptly getting arbitrarily, 3 meters continuous length optical cables are placed under 1 meter high water column, the other end does not allow current and oozes out in 24 hours, therefore, adopt the optical cable of this gasket for packing can reach the requirement of permeability performance fully; In addition, because the rope body has certain thickness, therefore, the anti-side pressure of optical cable, protecting against shock and stretch-proof performance are can satisfy standard-required fully.
The utlity model has following advantage: gasket for packing production is easy, in light weight, consumptive material is few; Adopt the optical cable of this gasket for packing in light weight, low price, permeability performance is good.
Description of drawings
Fig. 1 is one section a perspective view of the utility model embodiment one gasket for packing;
The front view that Fig. 2 amplifies for Fig. 1;
Fig. 3 is the diagrammatic cross-section of Fig. 2 along the A-A direction;
Fig. 4 is the fragmentary, perspective view of a kind of typical fiber optic cable of the utility model embodiment two;
Fig. 5 is the front view of Fig. 4;
Fig. 6 is a kind of cross sectional representation of the optical cable of Fig. 4;
Fig. 7 is the another kind of cross sectional representation of the optical cable of Fig. 4.
Embodiment
Embodiment one
See also Fig. 1, Fig. 2 and Fig. 3, the clearance-type gasket for packing is characterized in that: it be by the ducted body 13 of rope body 11, rope body 11 inside, and the partition body 12 that cuts off ducted body 13 constitute; Described ducted body 13 and partition body 12 are interspersed in rope body 11 inside; Rope body 11, partition body 12, ducted body 13 are integral structure; The length of cutting off the width G of body 12 is 0.1 meter; The length of the width L of ducted body 13 is 2.8 meters; G+L=2.9; The thickness T of rope body 11 is 0.35 millimeter, and the outer diameter D of gasket for packing 1 is 2.5 millimeters, T/D=0.14; Cutting off body 12 is identical plastics with the body 11 of restricting, and these plastics are potpourri, is 3: 7 potpourri for polypropylene and linear low density polyethylene mass ratio.
Certainly, above-mentioned described gasket for packing, the length of the width G of described partition body 12 is as long as satisfy: 0.01 meter≤G≤2.99 meters.
Certainly, above-mentioned described gasket for packing, the length of the width L of described ducted body 13 is as long as satisfy: 0.01 meter≤L≤2.99 meters.
Certainly, above-mentioned described gasket for packing, the described width of adjacent partition body 12 arbitrarily and the width of ducted body 13 also should satisfy simultaneously: 0.02 meter≤G+L≤3.00 meters.
Certainly, above-mentioned described gasket for packing, the outer diameter D of the thickness T of described rope body 11 and whole gasket for packing 1 should satisfy: 0.05≤T/D≤0.2.
Further, above-mentioned described gasket for packing is characterized in that: the also preferred T/D=0.1 of the outer diameter D of the thickness T of described rope body 11 and whole gasket for packing 1.
Above-mentioned described gasket for packing is characterized in that: described partition body 12 is identical or different plastic material with rope body 11.
Further, above-mentioned described gasket for packing is characterized in that: the material of described partition body 12 and rope body 11 is that polypropylene or linear low density polyethylene or polypropylene and linear low density polyethylene mass ratio are 1: 9-5: 5 potpourri.
Embodiment two
See also Fig. 4 to Fig. 7, among Fig. 4, Fig. 5, a kind of optical cable that adopts gasket for packing described in the embodiment one is characterized in that: it includes loose sleeve pipe 3, four gasket for packings 1; Comprise four light transmitting fibers 2 in the pine sleeve pipe 3; Pine sleeve pipe 3 centers on central reinforce member 6 with the stranded formation intertwist body of left and right sides interlaced helical with gasket for packing 1; The pitch of intertwist body spiral is 65 millimeters; Intertwist body coats protective seam 4 outward, the protective seam 4 outer external sheath layers 5 that coat; Light transmitting fiber 2 is a single-mode fiber; Protective seam 4 is the compound aluminium strip of single variety; The material of external sheath layer 5 is a medium density polyethylene; The material of central reinforce member 6 is the steel wire of metal.
Among Fig. 6, because existence and its length of the partition body 12 of gasket for packing can be even or inhomogeneous; Existence and its length of ducted body 13 can be even or inhomogeneous simultaneously; Therefore, at certain xsect, the feature that the ducted body 13 of the gasket for packing shown in Fig. 6 all manifests has appearred.
Among Fig. 7, because existence and its length of the partition body 12 of gasket for packing can be even or inhomogeneous; Existence and its length of ducted body 13 can be even or inhomogeneous simultaneously; Therefore, at certain xsect, the feature that the partition body 12 of the gasket for packing shown in Fig. 7 all manifests has appearred.
Owing to all stipulated layer-stranding cable among industry standard YD/T901-2001 of the Ministry of Posts and Telecommunications and the YD/T981-2009 etc., stipulated the specific requirement of optical cable infiltration, promptly getting arbitrarily, 3 meters continuous length optical cables are placed under 1 meter high water column, the other end does not allow current and oozes out in 24 hours, therefore, adopt the optical cable of this gasket for packing can reach the requirement of permeability performance fully; In addition, because the rope body has certain thickness, therefore, the anti-side pressure of optical cable, protecting against shock and stretch-proof performance are can satisfy standard-required fully.
Certainly, the optical cable described in the above-mentioned embodiment two, described light transmitting fiber 2 can also be positioned at fibre ribbon.
Certainly, the optical cable described in the above-mentioned embodiment two, described light transmitting fiber 2 can be single-mode fiber or multimode optical fiber or plastic optical fiber.
Certainly, the optical cable described in the above-mentioned embodiment two, described protective seam 4 can be waterstop or water blocking yarn or nonwoven fabrics or compound aluminium strip or composite steel band or the glass fiber tape or the mica tape of single variety.
Certainly, the optical cable described in the above-mentioned embodiment two, described protective seam 4 also can be composite bed, and this composite bed also can be one of the following from the inside to the outside successively:
A, waterstop, compound aluminium strip;
B, waterstop, composite steel band;
C, water blocking yarn, compound aluminium strip;
D, water blocking yarn, composite steel band;
E, nonwoven fabrics, compound aluminium strip;
F, nonwoven fabrics, composite steel band;
G, be sheath, the composite steel band of base material with the tygon;
H, waterstop, be sheath, the composite steel band of base material with the tygon;
I, water blocking yarn, be sheath, the composite steel band of base material with the tygon.
Certainly, the optical cable described in the above-mentioned embodiment two, the material of described external sheath layer 5 can be low density polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon or low-smoke low-halogen tygon or or smokeless halogen-free polyvinyl or nylon.
Certainly, the optical cable described in the above-mentioned embodiment two, the material of described central reinforce member 6 can be for metal or nonmetallic; The preferred steel wire or the steel strand wires of metal; Nonmetallic preferred glass fibers rod.
Certainly, the optical cable described in the above-mentioned embodiment two is characterized in that: in the described spiral intertwist body, the pitch range of spiral can be 45 millimeters to 500 millimeters.
Certainly, the optical cable described in the above-mentioned embodiment two is characterized in that at least one gasket for packing 1; Comprise at least one light transmitting fiber 2 in the pine sleeve pipe 3.
This paper understands exemplary embodiment of the utility model and present preferred implementation specifically, should be appreciated that the utility model design can be by other various forms enforcement utilizations, and they drop in the protection domain of the present utility model equally.
Claims (10)
1. clearance-type gasket for packing is characterized in that: it be by the inner ducted body (13) of rope body (11), rope body (11), and the partition body (12) that cuts off ducted body (13) constitute; Described ducted body (13) and partition body (12) are interspersed in rope body (11) inside; Rope body (11), partition body (12), ducted body (13) are integral structure.
2. gasket for packing according to claim 1 is characterized in that: the length of the width G of described partition body (12) satisfies: 0.01 meter≤G≤2.99 meters; The length of the width L of described ducted body (13) satisfies: 0.01 meter≤L≤2.99 meters; The width of described adjacent partition body (12) arbitrarily and the width of ducted body (13) also satisfy simultaneously: 0.02 meter≤G+L≤3.00 meters.
3. gasket for packing according to claim 1 is characterized in that: the thickness T of rope body (11) and the outer diameter D of whole gasket for packing (1) satisfy: 0.05≤T/D≤0.2.
4. gasket for packing according to claim 1 is characterized in that: described partition body (12) is identical or different plastic material with rope body (11).
5. gasket for packing according to claim 4 is characterized in that: the material of described partition body (12) and rope body (11) is that polypropylene or linear low density polyethylene or polypropylene and linear low density polyethylene mass ratio are 1: 9-5: 5 potpourri.
6. optical cable that adopts claim 1 described gasket for packing of arbitrary claim to the claim 5, it is characterized in that: it includes loose sleeve pipe (3), at least one gasket for packing (1); Comprise at least one light transmitting fiber (2) in the pine sleeve pipe (3); Pine sleeve pipe (3) centers on central reinforce member (6) with left and right sides interlaced helical or single sinistral coiling or the stranded formation intertwist body of single dextrad spiral with gasket for packing (1); Intertwist body coats protective seam (4) outward, the outer external sheath layer (5) that coats of protective seam (4).
7. optical cable according to claim 6 is characterized in that: described light transmitting fiber (2) is positioned at fibre ribbon; Described light transmitting fiber (2) is single-mode fiber or multimode optical fiber or plastic optical fiber.
8. optical cable according to claim 6 is characterized in that: described protective seam (4) is the waterstop of single variety or water blocking yarn or nonwoven fabrics or compound aluminium strip or composite steel band or glass fiber tape or mica tape.
9. optical cable according to claim 6 is characterized in that: described protective seam (4) is a composite bed, and this composite bed is followed successively by one of the following from the inside to the outside:
A, waterstop, compound aluminium strip;
B, waterstop, composite steel band;
C, water blocking yarn, compound aluminium strip;
D, water blocking yarn, composite steel band;
E, nonwoven fabrics, compound aluminium strip;
F, nonwoven fabrics, composite steel band;
G, be sheath, the composite steel band of base material with the tygon;
H, waterstop, be sheath, the composite steel band of base material with the tygon;
I, water blocking yarn, be sheath, the composite steel band of base material with the tygon.
10. optical cable according to claim 6 is characterized in that: the material of described external sheath layer (5) be low density polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon or low-smoke low-halogen tygon or or smokeless halogen-free polyvinyl or nylon; The material of described central reinforce member (6) is metal or nonmetallic; In the described spiral intertwist body, the pitch range of spiral is 45 millimeters to 500 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202692529U CN201569769U (en) | 2009-11-11 | 2009-11-11 | Interspace type filler yarn and optical cable adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202692529U CN201569769U (en) | 2009-11-11 | 2009-11-11 | Interspace type filler yarn and optical cable adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201569769U true CN201569769U (en) | 2010-09-01 |
Family
ID=42662063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202692529U Expired - Fee Related CN201569769U (en) | 2009-11-11 | 2009-11-11 | Interspace type filler yarn and optical cable adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201569769U (en) |
-
2009
- 2009-11-11 CN CN2009202692529U patent/CN201569769U/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: 20100901 Termination date: 20101111 |