CN109884760B - Butterfly-shaped optical cable - Google Patents
Butterfly-shaped optical cable Download PDFInfo
- Publication number
- CN109884760B CN109884760B CN201910299178.3A CN201910299178A CN109884760B CN 109884760 B CN109884760 B CN 109884760B CN 201910299178 A CN201910299178 A CN 201910299178A CN 109884760 B CN109884760 B CN 109884760B
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- elastic sheet
- curling
- optical cable
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- butterfly
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a butterfly-shaped optical cable, comprising: the optical fiber cable comprises a pair of single-core cable bodies, wherein optical fibers and sheath layers coated on the outer surfaces of the optical fibers are arranged in the single-core cable bodies; the single-core cable bodies are connected in parallel along the axial direction to form an optical cable main body, and the joints at the upper side and the lower side of the optical cable main body are provided with inwards-concave tearing grooves; the butterfly-shaped optical cable is also provided with a curling section and a coating section along the axial direction, and waterproof films are covered outside the tearing grooves on the upper side and the lower side of the coating section; at least one end of the curling section is provided with a first fixing block protruding outwards, the fixing block is connected with a curling elastic sheet, and when the curling elastic sheet is opened, the part of the curling elastic sheet is connected with the single-core cable body through a connecting film and completely covers and seals the tearing groove; when the curled elastic sheet shrinks, the curled elastic sheet naturally shrinks into a circular shock absorber. According to the invention, the curling section and the coating section are arranged, the tearing groove is covered on the coating section through the waterproof film, and the tearing groove is coated on the curling section through the curling elastic sheet, so that the optical fiber is strong in capability of protection, the tearing is convenient, and meanwhile, the shock absorption performance of the butterfly-shaped optical cable is improved.
Description
The application is a divisional application with application date of 2017, 07, 31 and application number of 201710641620.7 and invented name of butterfly-shaped optical cable.
Technical Field
The invention relates to the field of optical cable production, in particular to a butterfly-shaped optical cable.
Background
The butterfly-shaped optical cable is a novel user access optical cable, and the optical cable structure and various technical parameters are reasonably designed according to different application environments and laying conditions, so that the characteristics of an indoor soft optical cable and a self-supporting optical cable are integrated. The butterfly optical cable is the best candidate product of the FTTX network, and plays a unique role in constructing networks such as an intelligent building, a digital cell, a campus network, a local area network and the like.
The existing butterfly-shaped optical cable: 1) only a layer of thin plastic is arranged between the bottom of the tearing groove of the butterfly-shaped optical cable sheath and the optical fiber, so that water seepage is easy to occur, the hydrogen loss of the optical fiber is caused, the attenuation coefficient of the optical fiber is increased, and the service life of the optical fiber is reduced. 2) The ability to protect the optical fiber is weak.
Disclosure of Invention
The invention provides a butterfly-shaped optical cable, which overcomes the defects of short service life, easy water seepage and weak optical fiber protection capability of the conventional butterfly-shaped optical cable.
In order to solve the above problems, the present invention discloses a butterfly-shaped optical cable, comprising: the optical fiber cable comprises a pair of single-core cable bodies, wherein optical fibers and sheath layers coated on the outer surfaces of the optical fibers are arranged in the single-core cable bodies; the single-core cable bodies are connected in parallel along the axial direction to form an optical cable main body, and the joints at the upper side and the lower side of the optical cable main body are provided with inwards-concave tearing grooves;
the butterfly-shaped optical cable is also provided with a curling section and a coating section along the axial direction, and waterproof films are covered outside tearing grooves on the upper side and the lower side of the coating section; at least one end of the curling section is provided with a first fixing block protruding outwards, the first fixing block is connected with a curling elastic sheet, and when the curling elastic sheet is opened, the part of the curling elastic sheet is connected with the single cable body through a connecting film and completely covers and seals the tearing groove; when the curled elastic sheet contracts, the curled elastic sheet naturally contracts into a circular shock absorber. According to the invention, the winding section and the coating section are arranged, the tearing groove is covered on the coating section through the waterproof film, and the tearing groove is covered on the winding section through the winding elastic sheet, so that the tearing groove of the coating section is coated, the defects that the existing butterfly-shaped optical cable is easy to seep water, the optical fiber is weak in protection capability, the optical fiber is subjected to hydrogen loss, the attenuation coefficient of the optical fiber is increased, the service life of the optical fiber is shortened, the natural winding elastic sheet is convenient, the tearing is convenient, and the damping performance of the butterfly-shaped optical cable is improved.
Optionally, both ends of both sides of the curling section are provided with a first fixing block and a curling elastic sheet connected with the first fixing block.
Optionally, the crimping elastic piece at one end of the crimping section is wrapped on one side of the optical cable main body, and the crimping elastic piece at the other end of the crimping section is wrapped on the other side of the optical cable main body.
Optionally, a clamping groove is formed in the first fixing block; the clamping groove is a joint of the first fixing block and the curled elastic sheet.
Optionally, a clamping block is arranged at the upper end of the curled elastic sheet, the clamping block is matched with the clamping groove, and the clamping block is used for being inserted into the clamping groove to realize fixation. The elasticity of the shock absorber is further improved by the clamping groove and the clamping block.
Optionally, a second fixed block is further arranged at one end of the cladding section, the first fixed block and the second fixed block are connected into a whole, the tail ends of the first fixed block and the second fixed block are respectively provided with a bearing and hanging body, and the bearing and hanging body comprises a protective layer and a bearing and hanging steel wire located in the center of the protective layer. According to the butterfly cable, the tail ends of the first fixing block and the second fixing block are respectively provided with the bearing and hanging body, and the bearing and hanging steel wire is arranged in the bearing and hanging body, so that the tensile strength of the butterfly cable is further ensured, the mechanical strength of the whole butterfly cable optical fiber is increased, and the optical cable is convenient to fix.
Optionally, when the curled elastic sheet contracts, the shock absorber is wrapped on the outer surface of the bearing and hanging body.
Optionally, the length of the cladding section is 1m-2 m; the length of the curled section is 15-20 cm.
Compared with the prior art, the technical scheme has the following advantages:
according to the invention, the winding section and the coating section are arranged, the tearing groove is covered on the coating section through the waterproof film, and the tearing groove is covered on the winding section through the winding elastic sheet, so that the tearing groove is completely covered and closed, the defects that the existing butterfly-shaped optical cable is easy to seep water, weak in capacity of protecting the optical fiber and easy to cause hydrogen loss of the optical fiber, the attenuation coefficient of the optical fiber is increased, the service life of the optical fiber is shortened, the natural winding elastic sheet is convenient to tear, and the damping performance of the butterfly-shaped optical cable is improved.
In addition, the tail ends of the first fixing block and the second fixing block are respectively provided with the bearing and hanging body, and the bearing and hanging steel wire is arranged in the bearing and hanging body, so that the tensile strength of the butterfly-shaped optical cable is further ensured, the mechanical strength of the whole butterfly-shaped optical cable is increased, and the optical cable is convenient to fix.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of a butterfly 1-shaped optical cable according to the present invention;
FIG. 2 is a schematic cross-sectional view showing the opened crimped section of the first embodiment of the butterfly 1-shaped optical cable of the present invention;
FIG. 3 is a schematic cross-sectional view of a cladding section of a first embodiment of the butterfly 1-shaped optical cable of the present invention;
FIG. 4 is a schematic cross-sectional view showing a contraction of the crimp section of the first embodiment of the butterfly 1-shaped optical cable of the present invention;
FIG. 5 is a schematic cross-sectional view of the expanded crimped section of the second embodiment of the butterfly 1 cable of the present invention;
fig. 6 is a schematic cross-sectional view showing the contraction of the crimp section of the second embodiment of the butterfly 1-shaped optical cable of the present invention.
1. A single core cable body; 2. an optical fiber; 3. a sheath layer; 4. a cable main body; 5. a tearing groove; 6. a curled segment; 7. a water-resistant film; 8. a first fixed block; 9. a second fixed block; 10. a clamping block; 11. a card slot; 12. curling the elastic sheet; 13. a shock absorber; 14. a cladding section; 15. a joint; 16. connecting the films; 21. a suspension body; 22. hoisting steel wires; 23. and a protective layer.
Detailed Description
The technical solution of the present invention is described in detail and fully with reference to the accompanying drawings.
The upper and lower concepts of the present invention are defined in terms of the orientation in which the tear groove on one side faces upward and the tear groove on the other side faces downward after the optical cable main body is laid flat during installation.
The first embodiment is as follows:
the invention discloses a butterfly-shaped optical cable (shown in attached figures 1, 2, 3 and 4), which comprises: the optical fiber cable comprises a pair of single-core cable bodies 1, wherein an optical fiber 2 and a sheath layer 3 coated on the outer surface of the optical fiber 2 are arranged in each single-core cable body 1; the single-core cable bodies 1 are connected in parallel along the axial direction to form an optical cable main body 4, and the joints 15 at the upper side and the lower side of the optical cable main body are provided with inwards-concave tearing grooves 5;
the butterfly-shaped optical cable is also provided with a curling section 6 and a coating section 14 along the axial direction, and waterproof films 7 are covered outside tearing grooves 5 on the upper side and the lower side of the coating section 14; at least one end of the curling section 6 is provided with a convex first fixed block 8, the first fixed block 8 is connected with a curling elastic sheet 12, when the curling elastic sheet 12 is opened, the curling elastic sheet 12 is partially connected with the single-core cable body 1 through a connecting film 16 and completely covers and seals the tearing groove 5; when the curled elastic sheet 12 contracts, the curled elastic sheet 12 naturally contracts into the circular shock absorber 13. The wrapping device is characterized in that a second fixing block 9 is further arranged at one end of the wrapping section 14, the first fixing block 8 and the second fixing block 9 are connected into a whole, the tail ends of the first fixing block 8 and the second fixing block 9 are respectively provided with a supporting and hanging body 21, and each supporting and hanging body 21 comprises a protective layer 23 and a supporting and hanging steel wire 22 located in the center of the protective layer 23. According to the invention, the winding section 6 and the coating section 14 are arranged, the tearing groove 5 is covered on the coating section 14 through the waterproof film 7, and the tearing groove 5 is covered on the winding section 6 through the winding elastic sheet 12, so that the tearing groove 5 is covered, and the defects that the existing butterfly-shaped optical cable is easy to seep water, the capacity of protecting the optical fiber 2 is weak, the optical fiber 2 is easy to suffer from hydrogen loss, the attenuation coefficient of the optical fiber 2 is increased, and the service life of the optical fiber 2 is shortened are overcome, the natural winding elastic sheet 12 is convenient, the tearing is convenient, and the shock absorption performance of the butterfly-shaped optical cable is improved. In addition, the tail ends of the first fixing block 8 and the second fixing block 9 are respectively provided with the hanging body 21, and the hanging body 21 is internally provided with the hanging steel wire 22, so that the tensile strength of the butterfly-shaped optical cable is further ensured, the mechanical strength of the whole butterfly-shaped optical cable is increased, and the optical cable is convenient to fix.
When the curled elastic sheet 12 contracts, the shock absorption body 13 is covered on the outer surface of the hanging body 21.
The length of the cladding section 14 is 1m-2 m; the length of the curling section 6 is 15-20 cm.
Example two:
the invention discloses a butterfly-shaped optical cable (see the attached figures 5 and 6), which comprises: the optical fiber cable comprises a pair of single-core cable bodies 1, wherein an optical fiber 2 and a sheath layer 3 coated on the outer surface of the optical fiber 2 are arranged in each single-core cable body 1; the single-core cable bodies 1 are connected in parallel along the axial direction to form an optical cable main body 4, and the joints 15 at the upper side and the lower side of the optical cable main body are provided with inwards-concave tearing grooves 5;
the butterfly-shaped optical cable is also provided with a curling section 6 and a coating section 14 along the axial direction, and waterproof films 7 are covered outside tearing grooves 5 on the upper side and the lower side of the coating section 14; at least one end of the curling section 6 is provided with a convex first fixed block 8, the first fixed block 8 is connected with a curling elastic sheet 12, when the curling elastic sheet 12 is opened, the curling elastic sheet 12 is partially connected with the single-core cable body 1 through a connecting film 16 and completely covers and seals the tearing groove 5; when the curled elastic sheet 12 contracts, the curled elastic sheet 12 naturally contracts into the circular shock absorber 13.
And two ends of the two sides of the curling section 6 are respectively provided with a first fixing block 8 and a curling elastic sheet 12 connected with the first fixing block 8. The curling elastic sheet 12 at one end of the curling section 6 is wrapped at one side of the optical cable main body 4, and the curling elastic sheet 12 at the other end of the curling section 6 is wrapped at the other side of the optical cable main body 4.
A clamping groove 11 is formed in the first fixing block 8; the clamping groove 11 is a joint of the first fixing block 8 and the curled elastic sheet 12. The upper end of the curled elastic sheet 12 is provided with a clamping block 10, the clamping block 10 is matched with the clamping groove 11, and the clamping block 10 is used for being inserted into the clamping groove 11 to realize fixation. The arrangement of the clamping groove 11 and the clamping block 10 further improves the elasticity of the shock absorber 13.
When the embodiment of the invention is implemented, a constructor finds the curled section and tears one end of the curled elastic sheet, so that the curled elastic sheet is changed into a naturally contracted circular shock absorber from an opened coating state, and then tears the waterproof membrane of the coating section along the tearing groove to use the butterfly-shaped optical cable.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Claims (4)
1. A butterfly-shaped fiber optic cable, comprising: the optical fiber cable comprises a pair of single-core cable bodies, wherein optical fibers and sheath layers coated on the outer surfaces of the optical fibers are arranged in the single-core cable bodies; the single-core cable bodies are connected in parallel along the axial direction to form an optical cable main body, and the joints at the upper side and the lower side of the optical cable main body are provided with inwards-concave tearing grooves;
the butterfly-shaped optical cable is also provided with a curling section and a coating section along the axial direction, and waterproof films are covered outside tearing grooves on the upper side and the lower side of the coating section; at least one end of the curling section is provided with a first fixing block protruding outwards, a curling elastic sheet is connected to the first fixing block, when the curling elastic sheet is opened, the part of the curling elastic sheet is connected with the optical cable main body through a connecting film, and the tearing groove is completely covered and sealed; when the curled elastic sheet contracts, the curled elastic sheet naturally contracts into a circular shock absorber;
the two ends of the curling section are provided with a first fixing block and a curling elastic sheet connected with the first fixing block; the steel wire wrapping device is characterized in that a second fixed block is further arranged at one end of the wrapping section, the first fixed block and the second fixed block are connected into a whole, the tail ends of the first fixed block and the second fixed block are respectively provided with a bearing and hanging body, and the bearing and hanging body comprises a protective layer and a bearing and hanging steel wire located in the center of the protective layer.
2. The butterfly-shaped optical cable of claim 1, wherein the crimp elastic piece at one end of the crimp section is wrapped on one side of the optical cable main body, and the crimp elastic piece at the other end of the crimp section is wrapped on the other side of the optical cable main body.
3. The butterfly-shaped optical cable of claim 2, wherein a slot is provided on the first fixing block; the clamping groove is a joint of the first fixing block and the curled elastic sheet.
4. The butterfly-shaped optical cable of claim 3, wherein a clamping block is arranged at the upper end of the curled elastic sheet, the clamping block is matched with the clamping groove, and the clamping block is used for being inserted into the clamping groove to realize fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910299178.3A CN109884760B (en) | 2017-07-31 | 2017-07-31 | Butterfly-shaped optical cable |
Applications Claiming Priority (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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710641620.7A Division CN107290831B (en) | 2017-07-31 | 2017-07-31 | Butterfly optical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109884760A CN109884760A (en) | 2019-06-14 |
| CN109884760B true CN109884760B (en) | 2020-08-21 |
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| 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 Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710641620.7A Active CN107290831B (en) | 2017-07-31 | 2017-07-31 | Butterfly optical cable |
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| CN (2) | CN107290831B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942453B (en) * | 2017-11-06 | 2019-09-20 | 杭州富通通信技术股份有限公司 | Butterfly 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 |
Citations (4)
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| JP2004212912A (en) * | 2003-01-09 | 2004-07-29 | Nippon Tsushin Denzai Kk | Spacer and closure for fiber optic cable connection, and method for connecting fiber optic cable |
| CN202930122U (en) * | 2012-11-30 | 2013-05-08 | 浙江一舟电子科技股份有限公司 | Butterfly-shaped photoelectric composite leading optical cable |
| CN105974543A (en) * | 2016-07-15 | 2016-09-28 | 杭州富通通信技术股份有限公司 | Butterfly cable |
| CN206038977U (en) * | 2016-08-29 | 2017-03-22 | 江苏宝华电线电缆有限公司 | Self -supporting butterfly rubber -insulated -wire cable |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004347869A (en) * | 2003-05-22 | 2004-12-09 | Tatsuta Electric Wire & Cable Co Ltd | Optical fiber cable |
| CN102023355A (en) * | 2010-12-14 | 2011-04-20 | 金华中科通信技术有限公司 | Communication optical cable wire |
| CN202159170U (en) * | 2011-08-16 | 2012-03-07 | 徐云 | FTTH (Fiber to the Home) self-supporting armored butterfly-shaped leading-in optic cable |
| CN202929257U (en) * | 2012-08-14 | 2013-05-08 | 江苏通鼎光电股份有限公司 | Self-supporting high-fiber-count butterfly lead-in optical cable |
| CN103353657A (en) * | 2013-06-18 | 2013-10-16 | 成都亨通光通信有限公司 | Outdoor overhead butterfly-type introduced optical cable |
| CN204314515U (en) * | 2014-08-29 | 2015-05-06 | 无锡市宏达光电有限公司 | A kind of reinforced outdoor butterfly optical cable |
| CN104977682A (en) * | 2015-07-20 | 2015-10-14 | 成都亨通兆业精密机械有限公司 | Cable with prevention of bite by rodent |
| CN106168696A (en) * | 2016-06-29 | 2016-11-30 | 杭州富通通信技术股份有限公司 | Butterfly cable |
| CN106199865B (en) * | 2016-07-15 | 2019-04-16 | 杭州富通通信技术股份有限公司 | Butterfly optical cable |
| CN106125233A (en) * | 2016-08-22 | 2016-11-16 | 江苏通航电子科技网络有限公司 | Self-bearing type butterfly leading in cable line |
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2017
- 2017-07-31 CN CN201710641620.7A patent/CN107290831B/en active Active
- 2017-07-31 CN CN201910299178.3A patent/CN109884760B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004212912A (en) * | 2003-01-09 | 2004-07-29 | Nippon Tsushin Denzai Kk | Spacer and closure for fiber optic cable connection, and method for connecting fiber optic cable |
| CN202930122U (en) * | 2012-11-30 | 2013-05-08 | 浙江一舟电子科技股份有限公司 | Butterfly-shaped photoelectric composite leading optical cable |
| CN105974543A (en) * | 2016-07-15 | 2016-09-28 | 杭州富通通信技术股份有限公司 | Butterfly cable |
| CN206038977U (en) * | 2016-08-29 | 2017-03-22 | 江苏宝华电线电缆有限公司 | Self -supporting butterfly rubber -insulated -wire cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107290831B (en) | 2019-05-24 |
| CN109884760A (en) | 2019-06-14 |
| CN107290831A (en) | 2017-10-24 |
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