CN212111901U - 8-shaped cable with protection device - Google Patents
8-shaped cable with protection device Download PDFInfo
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- CN212111901U CN212111901U CN202020446555.XU CN202020446555U CN212111901U CN 212111901 U CN212111901 U CN 212111901U CN 202020446555 U CN202020446555 U CN 202020446555U CN 212111901 U CN212111901 U CN 212111901U
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- cable
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- protection device
- suspension wire
- optical cable
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Abstract
The utility model discloses a 8 word cables with protection device, including optical cable unit and self-supporting unit, optical cable unit and self-supporting unit pass through the suspension wire and connect, the both sides of suspension wire all are provided with V type groove, the both sides in V type groove be provided with the packing that V type groove matches, one side of packing extends to self-supporting unit, the other side of packing extends to optical cable unit, it has oily non-setting adhesive glue layer all to coat between inboard and self-supporting unit, suspension wire, the optical cable unit of packing, the packing pastes the outside at self-supporting unit, suspension wire, optical cable unit. The utility model provides an 8 word cables with protection device is provided with the V type groove of being convenient for to peel off on the basis of current 8 word cables, and the V type groove outside is provided with the filling member that is used for protecting V type groove, the filling member is filled and is set up in V type groove department, prevents that V type groove department from causing the distortion or being destroyed owing to the construction.
Description
Technical Field
The utility model relates to an optical cable structure field, concretely relates to 8 words cable with protection device
Background
With the development of communication technology, people have ubiquitous and untimely information demands, so that optical fiber communication networks are forced to develop rapidly, and various optical cables meeting network demands are produced.
In the prior art, the 8-shaped optical cable can be directly used for small-span self-supporting overhead due to the force bearing of the reinforcing element of the hanging part, and is convenient for leading in a cell and a building, so the 8-shaped optical cable is very popular in an optical cable from fiber to the home, the existing 8-shaped cable in the current market is mainly improved aiming at the convenience in use, for example, the 8-shaped self-supporting cable provided by the Chinese patent CN203966589U has the advantage of being convenient for tearing the joint, but the 8-shaped cable has certain defects due to the arrangement of the V-shaped groove:
1. in the process of wiring, a twisting phenomenon often occurs at the V-shaped groove or the butterfly-shaped leading-in optical cable is accidentally torn from the V-shaped groove due to overlarge stress during wiring, so that the butterfly-shaped leading-in optical cable is damaged.
2. The suspension wire part only has a layer of very thin sheath material, the addiction resistance is not strong, the optical cable is easy to be damaged after being laid in the places where rats and termites are rampant, and the communication safety of the access network is difficult to ensure.
3. In areas with severe environments, water accumulation and icing are easy to happen at the suspension wire, and the wire falling part is broken, so that the optical cable is separated from the self-supporting part.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an 8 word cable with protection device is provided with the V type groove of being convenient for to peel off on the basis of current 8 word cable, and the V type groove outside is provided with the filling member that is used for protecting V type groove, the filling member is filled and is set up in V type groove department, prevents V type groove department because the construction causes the distortion or is destroyed.
In order to solve the technical problem, the utility model provides an 8 word cable with protection device, including optical cable unit and self-supporting unit, optical cable unit and self-supporting unit pass through the suspension wire and connect, the both sides of suspension wire all are provided with V type groove, the both sides in V type groove be provided with the filler that V type groove matches, one side of filler extends to self-supporting unit, the other side of filler extends to optical cable unit, it has oily non-setting adhesive glue layer all to coat between inboard and self-supporting unit, suspension wire, the optical cable unit of filler, the filler pastes the outside of applying at self-supporting unit, suspension wire, optical cable unit.
The utility model discloses a preferred embodiment, further include the optical cable unit includes the cable core and the optical cable sheath of cladding outside the cable core, and the self-supporting unit includes steel strand wires and the messenger sheath of cladding outside the steel strand wires.
The utility model discloses a preferred embodiment, further include the cable core includes central reinforcement, many pine sleeve pipes, stranded yarn that blocks water, many the pine sleeve pipe uses central reinforcement to strand at its outside as the central axis spiral, it is provided with a plurality of scattered form optic fibre, a plurality of to loose intraductal packing has fine oleamen, stranded between the optic fibre the yarn that blocks water is filled in the gap between many pine sleeve pipes.
In a preferred embodiment of the present invention, further comprising a binding yarn spirally wound outside the cable core.
In a preferred embodiment of the present invention, the cable core further comprises a central beam tube, the central beam tube comprises at least one optical fiber ribbon, and the optical fiber ribbon is formed by a plurality of optical fibers.
The utility model discloses a preferred embodiment, further include the cable core outer cladding has the holding water area, the holding water area is indulged the package or is wrapped in the cable core outside around.
The utility model discloses a preferred embodiment, further include the steel strand wires adopt the structural distribution of "1 + 6", set up a center steel wire, other 6 steel wires strand and form the steel strand wires in its periphery.
The utility model discloses a preferred embodiment, further include still be provided with between cable core and the optical cable sheath and tear the rope.
In a preferred embodiment of the present invention, the filling member is made of PCV or PP.
The utility model discloses a preferred embodiment, further include the suspension wire with optical cable sheath and suspension wire sheath integrated into one piece set up, optical cable sheath, suspension wire are low smoke and zero halogen fuel resistance and make.
The utility model has the advantages that:
the utility model discloses be provided with V type groove at the suspension wire department of current 8 word cable, be convenient for separate optical cable unit and self-supporting unit when using through setting up V type groove, be provided with in the both sides of V type groove with the packing that V type groove matches, can not take place distortion phenomenon because of V type groove department has the breach in the in-process of laying wire, or because of the V type groove department accident tears that causes that the construction strength of laying wire is too big, in the process of long-term use, owing to be provided with the packing, the ability reinforcing of addicted to the hobby is difficult for being destroyed by animals such as mouse, termite, the packing has played effective guard action to V type groove; and the utility model discloses a filler one side of filler extends to self-supporting unit, the other side of filler extends to optical cable unit to realized the packing to the gap between self-supporting unit and the optical cable unit, prevented that optical cable unit upper portion ponding from freezing.
And (3) sticking by using oily self-adhesive glue, and when the optical cable is actually used, peeling off the filling piece, and then pulling the optical cable unit and the self-supporting unit from the V-shaped groove.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an 8-shaped cable with a protection device according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the 8-shaped cable with the protection device according to the present invention.
The reference numbers in the figures illustrate: 1. an optical cable unit; 11. a central reinforcement; 12. an optical fiber; 13. loosening the sleeve; 14. water-blocking yarn; 15. a central beam tube; 16. a water blocking tape; 17. an optical cable jacket; 18. tearing the rope; 19. an optical fiber ribbon; 2. hanging wires; 21. a V-shaped groove; 3. a self-supporting unit; 31. a steel wire; 32. a suspension wire sheath; 4. a filling member; 5. oily self-adhesive glue layer.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, an embodiment of the 8-shaped cable with a protection device according to the present invention includes an optical cable unit 1 and a self-supporting unit 3, the optical cable unit 1 is used for communication, the self-supporting unit 3 is used for aerial self-supporting laying, the optical cable unit 1 and the self-supporting unit 3 are connected by a suspension wire 2, V-shaped grooves 21 are disposed on both sides of the suspension wire 2, the optical cable unit 1 is separated from the self-supporting unit 3 by disposing the V-shaped grooves 21, filling members 4 matched with the V-shaped grooves 21 are disposed on both sides of the V-shaped grooves 21, the V-shaped grooves 21 are blocked by the filling members 4, so that the cable cannot be distorted due to the presence of a gap in the V-shaped grooves 21 during wiring or accidentally torn in the V-shaped grooves 21 due to excessive wiring construction force, and the anti-bite capability of the suspension wire 2 is enhanced due to the presence of the filling members 4 during long-term use, the novel optical cable is not easily damaged by rats, termites and other animals, the filling piece 4 plays an effective protection role on the V-shaped groove 21, one side of the filling piece 4 extends to the self-supporting unit 3, the filling piece 4 is matched with the outer circular shape of the self-supporting unit 3, the other side of the filling piece 4 extends to the optical cable unit 1, the filling piece 4 is matched with the outer circular shape of the optical cable unit 1, and an oily non-setting adhesive glue layer 5 is coated between the inner side of the filling piece 4 and the self-supporting unit 3, the hanging wire 2 and the optical cable unit 1.
During transportation and laying, the filling piece 4 is attached to the outer sides of the self-supporting unit 3, the suspension wire 2 and the optical cable unit 1 to protect the suspension wire 2 and the V-shaped groove 21; when the optical cable unit is used in a home, the filling piece 4 is peeled off, and then the optical cable unit 1 and the self-supporting unit 3 are pulled out from the V-shaped groove 21.
Specifically, the optical cable unit 1 comprises a cable core and an optical cable sheath 17 coated outside the cable core, the self-supporting unit 3 comprises a steel strand and a suspension wire sheath 32 coated outside the steel strand, the suspension wire 2 is integrally formed with the optical cable sheath 17 and the suspension wire sheath 32, and the optical cable sheath 17, the suspension wire sheath 32 and the suspension wire 2 are all made of low-smoke zero-halogen fuel, ultraviolet resistance, water resistance, mildew resistance and environmental stress cracking resistance; and no acid gas is released, the equipment in a machine room is not corroded, and the flame-retardant cable is suitable for indoor environments with high flame-retardant grade (such as wiring in a ceiling, open wiring and the like).
Because the filling member 4 in this embodiment needs to be peeled off when in use, the filling member 4 does not need to adopt a low smoke zero halogen fuel inhibitor, and in this embodiment, the filling member 4 is made of PCV or PP material, which not only has a certain bending property and bite resistance, but also can relatively save cost.
In this embodiment, the cable core is of a layer-stranded structure, the cable core includes a central reinforcement 11, a plurality of loose tubes 13, and a plurality of strands of water-blocking yarns 14, the plurality of loose tubes 13 are helically stranded outside the central reinforcement 11, the loose tubes 13 are stranded, so that the loose tubes 13 have a certain excess strand length relative to the optical cable, when a large pulling force is applied, the loose tube 13 can not be directly tightened, thereby improving the tensile mechanical property of the optical cable, be provided with a plurality of bulk optic fibre 12 in the pine sleeve pipe 13, it is a plurality of fill between the optic fibre 12 has fine oleamen, and fine oleamen can play effectual water blocking effect on the one hand, and on the other hand can play the effect of buffer protection optic fibre 12, the stranded the yarn 14 that blocks water is filled in the gap between many pine sleeve pipes 13, the yarn 14 that blocks water absorbs water inflation can play the effect of vertically blocking water in the cable core.
In order to prevent the loose tube 13 and the central strength member 11 in the core from loosening, in this embodiment, a binding yarn is helically wound around the outside of the core.
Referring to fig. 2, in another embodiment, the cable core adopts a central beam tube structure, the cable core includes a central beam tube 15, the central beam tube 15 includes at least one group of optical fiber ribbons 19, the optical fiber ribbons 19 are made of single optical fibers 12 according to a standard optical fiber chromatogram or a pilot optical fiber chromatogram with resin and ribbon, the optical fiber ribbons 19 include 4-core, 6-core, 8-core and 12-core optical fiber ribbons 19, compared with the single optical fibers 12, the optical fiber ribbons 19 have high optical fiber density and are convenient for cluster (fusion) connection, the optical fibers in the ribbons use the color spectrum orderly, which is beneficial for identification during maintenance and connection, the optical fiber ribbons 19 have small volume, can improve the packing density of the optical fibers in the optical cable, can form a larger core number, utilize space to the maximum extent, and are suitable for the currently rapidly developed optical fiber access networks,
in the embodiment, the cable core is coated with the water blocking tape 16, the water blocking tape 16 is longitudinally wrapped or wrapped on the outer side of the cable core, the water blocking tape 16 can play a radial water blocking role on the cable core, and when the water blocking tape 16 is longitudinally wrapped, the lapping edge of the longitudinally wrapped water blocking tape 16 is not less than 5 mm; when the water-blocking tape 16 is wrapped in a wrapping manner, the overlapping rate of the wrapped water-blocking tape 16 is 25% -45%.
In the two embodiments, the steel strand adopts a structure distribution of 1+6, the central steel wire 31 is arranged, and the other 6 steel wires 31 are twisted on the periphery of the central steel wire 31 to form the steel strand, so that the steel strand has extremely excellent tensile resistance, greatly increases the spanning distance of the optical cable, and is suitable for being laid on a main line.
In order to facilitate the stripping of the cable sheath 17, a tearing rope 18 is arranged between the cable core and the cable sheath 17.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides an 8 words cable with protection device, includes optical cable unit and self-supporting unit, optical cable unit and self-supporting unit pass through the suspension wire and connect, its characterized in that, the both sides of suspension wire all are provided with V type groove, the both sides in V type groove be provided with the filler that V type groove matches, one side of filler extends to self-supporting unit, the other side of filler extends to optical cable unit, all the coating has oily non-setting adhesive glue layer between the inboard and self-supporting unit of filler, suspension wire, the optical cable unit, the filler pastes the outside of applying at self-supporting unit, suspension wire, optical cable unit.
2. The 8-shaped cable with the protection device according to claim 1, wherein the optical cable unit comprises a cable core and an optical cable sheath coated outside the cable core, and the self-supporting unit comprises a steel strand and a suspension wire sheath coated outside the steel strand.
3. The 8-shaped cable with the protection device according to claim 2, wherein the cable core comprises a central reinforcing member, a plurality of loose tubes and a plurality of water-blocking yarns, the loose tubes are spirally twisted on the outer sides of the central reinforcing member, a plurality of loose optical fibers are arranged in the loose tubes, a fiber ointment is filled among the optical fibers, and the water-blocking yarns are filled in gaps among the loose tubes.
4. The 8-shaped cable with the protection device according to claim 3, wherein the outer side of the cable core is spirally wound with binding yarns.
5. The 8-cable with protection device of claim 2, wherein the cable core includes a central bundle tube including at least one set of optical fiber ribbons therein, the optical fiber ribbons being formed by a plurality of optical fibers in ribbon.
6. The 8-shaped cable with the protection device according to claim 5, wherein the cable core is coated with a water-blocking tape, and the water-blocking tape is longitudinally wrapped or wrapped outside the cable core.
7. The 8-shaped cable with the protection device according to claim 2, wherein the steel strands are distributed in a structure of "1 + 6", a central steel wire is arranged, and other 6 steel wires are stranded on the periphery of the central steel wire to form the steel strands.
8. The 8-shaped cable with the protection device according to claim 2, wherein a tearing rope is further arranged between the cable core and the cable sheath.
9. The 8-cable with protection device according to claim 2, wherein the filler member is made of PCV or PP material.
10. The 8-shaped cable with the protection device according to claim 2, wherein the suspension wire is integrally formed with the optical cable sheath and the suspension wire sheath, and the optical cable sheath, the suspension wire sheath and the suspension wire are all made of low smoke zero halogen fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020446555.XU CN212111901U (en) | 2020-03-31 | 2020-03-31 | 8-shaped cable with protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020446555.XU CN212111901U (en) | 2020-03-31 | 2020-03-31 | 8-shaped cable with protection device |
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| Publication Number | Publication Date |
|---|---|
| CN212111901U true CN212111901U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020446555.XU Active CN212111901U (en) | 2020-03-31 | 2020-03-31 | 8-shaped cable with protection device |
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| CN (1) | CN212111901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114568A (en) * | 2021-11-08 | 2022-03-01 | 长飞光纤光缆股份有限公司 | Easily-stripped 8-shaped optical cable and 8-shaped optical cable stripping device |
-
2020
- 2020-03-31 CN CN202020446555.XU patent/CN212111901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114568A (en) * | 2021-11-08 | 2022-03-01 | 长飞光纤光缆股份有限公司 | Easily-stripped 8-shaped optical cable and 8-shaped optical cable stripping device |
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