CN107290831A - Butterfly optical cable - Google Patents
Butterfly optical cable Download PDFInfo
- Publication number
- CN107290831A CN107290831A CN201710641620.7A CN201710641620A CN107290831A CN 107290831 A CN107290831 A CN 107290831A CN 201710641620 A CN201710641620 A CN 201710641620A CN 107290831 A CN107290831 A CN 107290831A
- Authority
- CN
- China
- Prior art keywords
- shell fragment
- optical cable
- fixed block
- curling
- crimping
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses a kind of butterfly optical cable, including：Provided with optical fiber and the restrictive coating for being coated on fiber outer surface in a pair of single cable bodies, single cable body；Single cable body described in a pair is connected side by side vertically constitutes optical cable main body, has the tearing groove caved inward above and below it on the junction of both sides；Butterfly optical cable is in axial direction additionally provided with above and below crimping segment and cladding section, cladding section outside the tearing groove of both sides covered with waterproof membrane；Crimping segment at least one end is provided with the first fixed block of evagination, fixed block and is connected with curling shell fragment, and when curling shell fragment opens, curling shell fragment part is connected with single cable body by junctional membrane, and is coated completely and closed tearing groove；When crimping shell fragment contraction, shock reducing structure of the curling shell fragment natural shrinking into circle.The present invention covers tearing groove by setting crimping segment and cladding section, and in cladding section by waterproof membrane, coats tearing groove by crimping shell fragment in crimping segment, protection optical fibre capacity is strong, convenient tear, while improving the damping performance of butterfly optical cable.
Description
Technical field
The present invention relates to optical cable production field, more particularly to a kind of butterfly optical cable.
Background technology
Butterfly optical cable is a kind of novel user access optical cable, different with laid condition according to application environment, rationally designs light
Cable structure and every technical parameter, the characteristics of having gathered indoor flexible optical cable and self-support cable.Butterfly optical cable is FTTX networks
Optimal alternate product, its unique effect is played in the networks such as intelligent Building, digital cells, campus network, LAN are set up.
Existing butterfly optical cable：1) there was only one layer of very thin modeling between the bottom of butterfly optical cable sheath tearing groove and optical fiber
Material, easily seeps water, and causes optical fiber to occur hydrogen loss, increases fiber attenuation coefficient, reduces optical fiber service life.2) light is protected
Fine ability is weak.
The content of the invention
The present invention provides a kind of butterfly optical cable so that existing butterfly optical cable service life is short, easy infiltration, protection optical fiber
The weak defect of ability is addressed.
To solve the above problems, the invention discloses a kind of butterfly optical cable, including：A pair of single cable bodies, the single cable
In vivo provided with optical fiber and the restrictive coating for being coated on fiber outer surface；Single cable body described in a pair is connected side by side vertically constitutes optical cable
Main body, has the tearing groove caved inward on the junction of both sides above and below it；
The butterfly optical cable is in axial direction additionally provided with the tearing groove of both sides above and below crimping segment and cladding section, the cladding section
Outside is covered with waterproof membrane；The crimping segment at least one end is provided with the first fixed block of evagination, first fixed block and connected
There is curling shell fragment, when curling shell fragment opens, curling shell fragment part is connected with single cable body by junctional membrane, and is coated completely simultaneously
Close tearing groove；When crimping shell fragment contraction, shock reducing structure of the curling shell fragment natural shrinking into circle.The present invention is by setting
Crimping segment and cladding section, and tearing groove is covered by waterproof membrane in cladding section, tearing groove is coated by crimping shell fragment in crimping segment,
So that the tearing groove of cladding section is wrapped by, solves existing butterfly optical cable and easily seep water, protect the ability of optical fiber weak, make
Occur hydrogen loss into optical fiber, increase fiber attenuation coefficient, reduce the defect of optical fiber service life, the curling bullet for being easy to nature to crimp
Piece, convenient tear, while improving the damping performance of butterfly optical cable.
Optionally, crimping segment both sides two ends are equipped with the first fixed block and connect the curling shell fragment of the first fixed block.
Optionally, the curling shell fragment of described crimping segment one end is coated on optical cable body side, the crimping segment other end
Curling shell fragment is coated on optical cable main body opposite side.
Optionally, first fixed block is provided with neck；The neck is the first fixed block and curling shell fragment junction.
Optionally, end is provided with fixture block on the curling shell fragment, and the fixture block is adapted with neck, and the fixture block is used to insert
Enter neck and realize fixation.Neck and fixture block is set to further increase the elasticity of shock reducing structure.
Optionally, described cladding section one end is additionally provided with the second fixed block, and first fixed block is connected with the second fixed block
Integrally, first fixed block and the second fixed block end, which are equipped with to hold, hangs body, and described hold is hung body including protective layer and be located at
Steel wire is hung in holding for protective layer center.The present invention is equipped with to hold and hangs body in the first fixed block and the second fixed block end, holds and hangs in vivo
Steel wire is hung provided with holding, the tensile strength of butterfly optical cable is further ensured that, increases the mechanical strength of whole butterfly cable optical fiber, and is easy to solid
Determine optical cable.
Optionally, when the curling shell fragment shrinks, the shock reducing structure, which is coated on to hold, hangs external surface.
Optionally, the length of the cladding section is 1m-2m；The length of the crimping segment is 15-20cm.
Compared with prior art, the technical program has advantages below：
The present invention covers tearing groove by setting crimping segment and cladding section, and in cladding section by waterproof membrane, in crimping segment
Tearing groove is coated by crimping shell fragment so that tearing groove is coated and closed completely, is solved existing butterfly optical cable and is easily sent out
Life, which is seeped water, the ability of protection optical fiber is weak, easily cause optical fiber occurs hydrogen loss so that fiber attenuation coefficient increase, reduces optical fiber and use
The defect in life-span, the curling shell fragment for being easy to nature to crimp, convenient tear, while also improving the damping performance of butterfly optical cable.
In addition, the present invention is equipped with to hold and hangs body in the first fixed block and the second fixed block end, hold to hang to be provided with to hold in vivo and hang
Steel wire, is further ensured that the tensile strength of butterfly optical cable, increases the mechanical strength of whole butterfly cable optical fiber, and is easy to fix optical cable.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the shape optical cable embodiment one of butterfly 1 of the present invention；
Fig. 2 is the cross-sectional view opened of crimping segment of the shape optical cable embodiment one of butterfly 1 of the present invention；
Fig. 3 is the cross-sectional view of the cladding section of the shape optical cable embodiment one of butterfly 1 of the present invention；
Fig. 4 is the cross-sectional view of the crimping segment contraction of the shape optical cable embodiment one of butterfly 1 of the present invention；
Fig. 5 is the cross-sectional view opened of crimping segment of the shape optical cable embodiment two of butterfly 1 of the present invention；
Fig. 6 is the cross-sectional view of the crimping segment contraction of the shape optical cable embodiment two of butterfly 1 of the present invention.
1st, single cable body；2nd, optical fiber；3rd, restrictive coating；4th, optical cable main body；5th, tearing groove；6th, crimping segment；7th, waterproof membrane；8th,
One fixed block；9th, the second fixed block；10th, fixture block；11st, neck；12nd, shell fragment is crimped；13rd, shock reducing structure；14th, section is coated；15th, connect
Place；16th, junctional membrane；21st, hold and hang body；22nd, hold and hang steel wire；23rd, protective layer.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, clear, complete description is carried out to technical scheme.
Upper and lower concept in the present invention, during to install after the tiling of optical cable main body, side tearing groove is towards above and with respect to opposite side
Tearing groove orientation directed downwardly is defined.
Embodiment one：
The invention discloses a kind of butterfly optical cable (see accompanying drawing 1,2,3,4), including：A pair of single cable bodies 1, the single cable
Provided with optical fiber 2 and the restrictive coating 3 for being coated on the outer surface of optical fiber 2 in body 1；The connected structure arranged side by side vertically of single cable body 1 described in a pair
Into optical cable main body 4, there is the tearing groove 5 caved inward above and below it on the junction 15 of both sides；
The butterfly optical cable is in axial direction additionally provided with crimping segment 6 and cladding section 14, and about 14 both sides for the cladding section
Covered with waterproof membrane 7 outside tearing groove 5；The crimping segment 6 at least one end is provided with the first fixed block 8 of evagination, and described first consolidates
Determine to be connected with curling shell fragment 12 on block 8, when curling shell fragment 12 opens, the curling part of shell fragment 12 is with single cable body 1 by being connected
Film 16 is connected, and coats completely and close tearing groove 5；When crimp shell fragment 12 shrink when, the natural shrinking of curling shell fragment 12 into
Circular shock reducing structure 13.Described cladding section 14 one end is additionally provided with the second fixed block 9, the fixed block 9 of the first fixed block 8 and second
Link into an integrated entity, the end of 8 and second fixed block of the first fixed block 9, which is equipped with to hold, hangs body 21, described hold hangs body 21 including protecting
Sheath 23 and hang steel wire 22 positioned at holding for the center of protective layer 23.The present invention is being coated by setting crimping segment 6 and cladding section 14
Section 14 covers tearing groove 5 by waterproof membrane 7, coats tearing groove 5 by crimping shell fragment 12 in crimping segment 6 so that tearing groove 5 is wrapped
Cover, solve existing butterfly optical cable and easily seep water, protect optical fiber 2 ability it is weak, easily cause optical fiber 2 occur hydrogen loss,
So that the increase of the attenuation coefficient of optical fiber 2, the defect of the reduction service life of optical fiber 2, the curling shell fragment 12 for being easy to nature to crimp conveniently are torn
Split, while also improving the damping performance of butterfly optical cable.In addition, the present invention is all provided with the first fixed block 8 and the end of the second fixed block 9
Hold and hang body 21, hold to hang to be provided with to hold in body 21 and hang steel wire 22, be further ensured that the tensile strength of butterfly optical cable, increase whole butterfly cable
The mechanical strength of optical fiber, and be easy to fix optical cable.
When the curling shell fragment 12 shrinks, the shock reducing structure 13, which is coated on to hold, hangs the outer surface of body 21.
The length of the cladding section 14 is 1m-2m；The length of the crimping segment 6 is 15-20cm.
Embodiment two：
The invention discloses a kind of butterfly optical cable (see accompanying drawing 5,6), including：A pair of single cable bodies 1, the single cable body 1
The interior restrictive coating 3 for being provided with optical fiber 2 and being coated on the outer surface of optical fiber 2；Single cable body 1 described in a pair is connected side by side vertically constitutes light
Cable main body 4, has the tearing groove 5 caved inward on the junction 15 of both sides above and below it；
The butterfly optical cable is in axial direction additionally provided with crimping segment 6 and cladding section 14, and about 14 both sides for the cladding section
Covered with waterproof membrane 7 outside tearing groove 5；The crimping segment 6 at least one end is provided with the first fixed block 8 of evagination, and described first consolidates
Determine to be connected with curling shell fragment 12 on block 8, when curling shell fragment 12 opens, the curling part of shell fragment 12 is with single cable body 1 by being connected
Film 16 is connected, and coats completely and close tearing groove 5；When crimp shell fragment 12 shrink when, the natural shrinking of curling shell fragment 12 into
Circular shock reducing structure 13.
The both sides two ends of crimping segment 6 are equipped with the first fixed block 8 and connect the curling shell fragment 12 of the first fixed block 8.Institute
The curling shell fragment 12 for stating the one end of crimping segment 6 is coated on the side of optical cable main body 4, and the curling shell fragment 12 of the other end of crimping segment 6 is wrapped
Overlay on the opposite side of optical cable main body 4.
First fixed block 8 is provided with neck 11；The neck 11 is that the first fixed block 8 is connected with curling shell fragment 12
Place.End is provided with fixture block 10 on the curling shell fragment 12, and the fixture block 10 is adapted with neck 11, and the fixture block 10 is used to insert
Neck 11, which is realized, to be fixed.Neck 11 and fixture block 10 is set to further increase the elasticity of shock reducing structure 13.
When the embodiment of the present invention is implemented, workmen finds crimping segment, tears curling shell fragment one end so that curling shell fragment by
Coated state is opened, becomes the circular shock reducing structure of natural shrinking, and then the waterproof membrane of cladding section is torn along tearing groove, butterfly is used
Optical cable.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and techniques content of the disclosure above to this hair
Bright technical scheme makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, according to the present invention
Any simple modifications, equivalents, and modifications made to above example of technical spirit, belong to technical solution of the present invention
Protection domain.
Claims (8)
1. a kind of butterfly optical cable, it is characterised in that including：Optical fiber and cladding are provided with a pair of single cable bodies, the single cable body
In the restrictive coating of fiber outer surface；Single cable body described in a pair is connected side by side vertically constitutes optical cable main body, both sides above and below it
There is the tearing groove caved inward on junction；
The butterfly optical cable is in axial direction additionally provided with above and below crimping segment and cladding section, the cladding section outside the tearing groove of both sides
Covered with waterproof membrane；The crimping segment at least one end is provided with the first fixed block of evagination, first fixed block and is connected with volume
Bent shell fragment, when curling shell fragment opens, curling shell fragment part is connected with single cable body by junctional membrane, and is coated and closed completely
Tearing groove；When crimping shell fragment contraction, shock reducing structure of the curling shell fragment natural shrinking into circle.
2. butterfly optical cable as claimed in claim 1, it is characterised in that the crimping segment two ends are equipped with the first fixed block and company
Connect the curling shell fragment of the first fixed block.
3. butterfly optical cable as claimed in claim 2, it is characterised in that the curling shell fragment of described crimping segment one end is coated on optical cable
Body side, the curling shell fragment of the crimping segment other end is coated on optical cable main body opposite side.
4. butterfly optical cable as claimed in claim 3, it is characterised in that first fixed block is provided with neck；The neck
For the first fixed block and curling shell fragment junction.
5. butterfly optical cable as claimed in claim 4, it is characterised in that end is provided with fixture block, the card on the curling shell fragment
Block is adapted with neck, and the fixture block is used to insert neck realization fixation.
6. butterfly optical cable as claimed in claim 1, it is characterised in that described cladding section one end is additionally provided with the second fixed block, institute
State the first fixed block to link into an integrated entity with the second fixed block, first fixed block and the second fixed block end are equipped with to hold and hung
Body, described hold hangs body including protective layer and hangs steel wire positioned at holding for protective layer center.
7. butterfly optical cable as claimed in claim 6, it is characterised in that when the curling shell fragment shrinks, the shock reducing structure cladding
External surface is hung holding.
8. the butterfly optical cable as described in claim 1 to 7 any one claim, it is characterised in that the length of the cladding section
Spend for 1m-2m；The length of the crimping segment is 15-20cm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641620.7A CN107290831B (en) | 2017-07-31 | 2017-07-31 | Butterfly optical cable |
| CN201910299178.3A CN109884760B (en) | 2017-07-31 | 2017-07-31 | Butterfly-shaped optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641620.7A CN107290831B (en) | 2017-07-31 | 2017-07-31 | Butterfly optical cable |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910299178.3A Division CN109884760B (en) | 2017-07-31 | 2017-07-31 | Butterfly-shaped optical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107290831A true CN107290831A (en) | 2017-10-24 |
| CN107290831B CN107290831B (en) | 2019-05-24 |
Family
ID=60104532
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710641620.7A Active CN107290831B (en) | 2017-07-31 | 2017-07-31 | Butterfly optical cable |
| CN201910299178.3A Active CN109884760B (en) | 2017-07-31 | 2017-07-31 | Butterfly-shaped optical cable |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910299178.3A Active CN109884760B (en) | 2017-07-31 | 2017-07-31 | Butterfly-shaped optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107290831B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942453A (en) * | 2017-11-06 | 2018-04-20 | 杭州富通通信技术股份有限公司 | Butterfly cable |
| CN114859477A (en) * | 2022-05-24 | 2022-08-05 | 深圳市特发信息光网科技股份有限公司 | Self-buckling butterfly-shaped optical cable |
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| CN107942453A (en) * | 2017-11-06 | 2018-04-20 | 杭州富通通信技术股份有限公司 | Butterfly cable |
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| CN110441873A (en) * | 2017-11-06 | 2019-11-12 | 杭州富通通信技术股份有限公司 | Butterfly optical cable |
| CN114859477A (en) * | 2022-05-24 | 2022-08-05 | 深圳市特发信息光网科技股份有限公司 | Self-buckling butterfly-shaped optical cable |
| CN114859477B (en) * | 2022-05-24 | 2023-07-21 | 深圳市特发信息光网科技股份有限公司 | Self-buckling butterfly-shaped optical cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107290831B (en) | 2019-05-24 |
| CN109884760A (en) | 2019-06-14 |
| CN109884760B (en) | 2020-08-21 |
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