CN105974545A - Pre-terminated dual-core armored bow-type drop cable - Google Patents
Pre-terminated dual-core armored bow-type drop cable Download PDFInfo
- Publication number
- CN105974545A CN105974545A CN201610607040.1A CN201610607040A CN105974545A CN 105974545 A CN105974545 A CN 105974545A CN 201610607040 A CN201610607040 A CN 201610607040A CN 105974545 A CN105974545 A CN 105974545A
- Authority
- CN
- China
- Prior art keywords
- cable
- optical cable
- armored
- outdoor metal
- junction box
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- 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.)
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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
- G02B6/4439—Auxiliary devices
-
- 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
Abstract
The invention relates to a pre-terminated dual-core armored bow-type drop cable which comprises an outdoor metal bow-type cable, an adapter junction box, armored cables and connectors. The outdoor metal bow-type cable is dropped from one end of the adapter junction box and comprises an outer sheath, a suspension wire and optical fibers, the adapter junction box comprises a box body, a rubber-covered wire clamping nail, a cable dividing groove and wiring clamp grooves, the cable dividing groove is formed in the bottom of the inner side of the box body and divides the cable into two strands, the two strands are respectively clamped into the cable dividing groove, the two wiring clamp grooves are further symmetrically formed in the other side inside the box body and are respectively connected with the cable dividing groove, one end of each of the two armored cables is fixed in the two wiring clamp grooves respectively, and two optical fibers penetrate through the armored cables and are connected with the connectors. The pre-terminated dual-core armored bow-type drop cable has the advantages that the pre-terminated dual-core armored bow-type drop cable can be prevented from being bent, can be also freely coiled, can be rat-proof, ensures the stability of optical parameters of products and meanwhile can decrease the stress breakage problems produced during long-term optical fiber bending.
Description
Technical field
The present invention relates to the outer optical cross box of FTTH fiber entering household engineering dedicated chamber and lay technical field of construction between each user, be particularly prefabricated into end twin-core armouring butterfly leading in cable.
Background technology
Being prefabricated into end twin-core armouring butterfly leading in cable is to apply to lay between each user in the outer optical cross box of FTTH fiber entering household engineering dedicated chamber, being mainly used in the scenes such as villages within the city, rental house group, villa, small towns, in high-rise blocks, fiber-dividing box lays to indoor optical cable between each user.In order to preferably improve the quality of product and improve the speed of constructing operation, and twin-core armouring butterfly leading in cable is held in being prefabricated into of designing.In customer multi-media information box, space is less, and regulation outdoor optical cable must not enter dish and stay, thus to design be prefabricated into termination rubber insulated cable dish stay circuit.It is prefabricated into termination covered wire cable and easily causes bigger loss because of bending in laid processes.
Existing be prefabricated into end leading in cable for a long time completely time produce stress breakage problem, the service life causing leading in cable is short, and does not has standby, and once loses efficacy, then need again to lay.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that one is prefabricated into end twin-core armouring butterfly leading in cable.
nullThe purpose of the present invention is achieved through the following technical solutions: be prefabricated into end twin-core armouring butterfly leading in cable，Including outdoor metal butterfly optical cable、Junction box、Armored optical cable and union joint，Outdoor metal butterfly optical cable introduces from one end of junction box，Outdoor metal butterfly optical cable includes oversheath、Messenger wire and optical fiber，Messenger wire and two optical fiber are arranged in oversheath opposing parallelly，Junction box includes box body、Rubber-insulated wire bail、Divide fine groove and wiring draw-in groove，The side that outdoor metal butterfly optical cable is fixed in box body by rubber-insulated wire bail，Bearing of trend along outdoor metal butterfly optical cable，Inside bottom at box body offers a point fine groove，Dividing fine groove is herringbone structure，Oversheath and the messenger wire of outdoor metal butterfly optical cable are peeled off，Optical fiber is divided into two strands，And be respectively clamped in point fine groove，Opposite side in box body also symmetry offers two wiring draw-in grooves，Two wiring draw-in grooves are connected with a point fine groove respectively，One end of two armored optical cables is separately fixed in two wiring draw-in grooves，Two optical fiber are through armored optical cable，And be connected with union joint，The two ends of junction box are also respectively fixed with heat-shrink tube，Heat-shrink tube is set on outdoor metal butterfly optical cable and armored optical cable，And outdoor metal butterfly optical cable and armored optical cable are fixed on the both sides of junction box.
Further, described armored optical cable includes the cable skin, the mesh grid that set gradually from outside to inside, spins synthetic fibre yarn, armor and blank pipe optical cable, and optical fiber passes blank pipe optical cable, and armored optical cable stretches into one section of outside of wiring draw-in groove and is also set with becket.
Further, described union joint is SC/UPC union joint.
Further, being additionally provided with at least two reinforcements in described oversheath, two reinforcements are positioned at the both sides of optical fiber.
The invention have the advantages that
Staying with armored optical cable dish in multimedia information box not only can be anti-bending but also be free to coiling, it is also possible to protection against rodents, it is ensured that product optical parametric is stable, can reduce because the stress breakage problem produced during optical fiber Long-term bend simultaneously.After laying, use twin-core be in order to prevent from wherein having one defective time, can be standby, reduce loss.Not only can improve product quality but also can improve speed of operation, and being prefabricated into of dual guarantee product use can hold twin-core armouring butterfly leading in cable, especially junction box aims at this type of product design, it is ensured that optical cable bears the pulling force of 60N.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is that leading in cable is at junction box internal structure schematic diagram；
Fig. 3 is the structural representation of junction box；
Fig. 4 is the structural representation of armored optical cable；
Fig. 5 is the schematic cross-section of outdoor metal butterfly optical cable；
Fig. 6 is the schematic cross-section of armored optical cable；
In figure: 1-outdoor metal butterfly optical cable, 101-oversheath, 102-messenger wire, 103-reinforcement, 104-optical fiber, 2-junction box, 201-box body, 202-bail, 203-divides fine groove, 204-wiring draw-in groove, 3-heat-shrink tube, 4-armored optical cable, 401-cable skin, 402-mesh grid, 403-spins synthetic fibre yarn, 404-steel sheath, 405-blank pipe optical cable, 406-becket, 5-union joint.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to the following stated.
nullAs shown in Figure 1，It is prefabricated into end twin-core armouring butterfly leading in cable，Including outdoor metal butterfly optical cable 1、Junction box 2、Armored optical cable 4 and union joint 5，Outdoor metal butterfly optical cable 1 introduces from one end of junction box 2，Outdoor metal butterfly optical cable 1 includes oversheath 101、Messenger wire 102 and optical fiber 104，Messenger wire 102 and two optical fiber 104 are arranged in oversheath 101 opposing parallelly，Junction box 2 includes box body 201、Rubber-insulated wire bail 202、Divide fine groove 203 and wiring draw-in groove 204，Outdoor metal butterfly optical cable 1 is fixed the side in box body 201 by rubber-insulated wire bail 202，Bearing of trend along outdoor metal butterfly optical cable 1，Inside bottom at box body 201 offers a point fine groove 203，Dividing fine groove 203 is herringbone structure，Oversheath 101 and the messenger wire 102 of outdoor metal butterfly optical cable 1 are peeled off，Optical fiber 104 is divided into two strands，And be respectively clamped in point fine groove 203，Opposite side in box body 201 also symmetry offers two wiring draw-in grooves 204，Two wiring draw-in grooves 204 are connected with a point fine groove 203 respectively，One end of two armored optical cables 4 is separately fixed in two wiring draw-in grooves 204，Two optical fiber 104 are through armored optical cable 4，And be connected with union joint 5，The two ends of junction box 2 are also respectively fixed with heat-shrink tube 3，Heat-shrink tube 3 is set on outdoor metal butterfly optical cable 1 and armored optical cable 4，And outdoor metal butterfly optical cable 1 and armored optical cable 4 are fixed on the both sides of junction box 2.
As preferably, described armored optical cable 4 includes the cable skin 401 set gradually from outside to inside, mesh grid 402, spins synthetic fibre yarn 403, armor 404 and blank pipe optical cable 405, optical fiber 104 is through blank pipe optical cable 405, and armored optical cable 4 stretches into one section of outside of wiring draw-in groove 204 and is also set with becket 406.
As preferably, described union joint 5 is SC/UPC union joint.
As preferably, being additionally provided with at least two reinforcements 103 in described oversheath 101, two reinforcements 103 are positioned at the both sides of optical fiber 104.
The processing technology being prefabricated into end twin-core armouring butterfly leading in cable comprises the following steps: 1, separated time: the messenger wire 102 of one end of outdoor metal butterfly optical cable 1 is deducted 600mm, and the two of the inside optical fiber 104 are stayed 590mm；2, armored optical cable is assembled: taking armouring blank pipe cable length is 550mm, with wire stripper, the cable skin 401 of one end is removed 20mm, by mesh grid 402 with spin that synthetic fibre yarn 403 is counter to be enclosed within becket 406, compress with aerostatic press, armor 404 non-loosening phenomenon inside guarantee, by unnecessary mesh grid 402 with spin synthetic fibre yarn 403 and remove with shears；3, fibre is divided: be placed in junction box 2 by the butterfly optical cable divided, with bail 202 by oversheath 101 clamping of outdoor metal butterfly optical cable 1, the armouring blank pipe crimped is put into the wiring draw-in groove 204 of junction box 2, becket 406 is stuck in wiring draw-in groove 204, two optical fiber are respectively put in the centre bore of blank pipe optical cable 405, and the exposed optical fiber 104 in junction box 2 is respectively put in point fine groove 203, cover the lid of junction box 2, heat-shrink tube 3 is enclosed within junction box 2, with hot-air blower, heat-shrink tube 3 pyrocondensation is put in place；4, union joint 5 is installed.
Claims (4)
- null1. it is prefabricated into end twin-core armouring butterfly leading in cable，It is characterized in that: include outdoor metal butterfly optical cable (1)、Junction box (2)、Armored optical cable (4) and union joint (5)，Outdoor metal butterfly optical cable (1) introduces from one end of junction box (2)，Outdoor metal butterfly optical cable (1) includes oversheath (101)、Messenger wire (102) and optical fiber (104)，Messenger wire (102) and two optical fiber (104) are arranged in oversheath (101) opposing parallelly，Junction box (2) includes box body (201)、Rubber-insulated wire bail (202)、Divide fine groove (203) and wiring draw-in groove (204)，The side that outdoor metal butterfly optical cable (1) is fixed in box body (201) by rubber-insulated wire bail (202)，Bearing of trend along outdoor metal butterfly optical cable (1)，Inside bottom at box body (201) offers a point fine groove (203)，Dividing fine groove (203) is herringbone structure，Oversheath (101) and the messenger wire (102) of outdoor metal butterfly optical cable (1) are peeled off，Optical fiber (104) is divided into two strands，And be respectively clamped in point fine groove (203)，Opposite side also symmetry in box body (201) offers two wiring draw-in grooves (204)，Two wiring draw-in grooves (204) are connected with a point fine groove (203) respectively，One end of two armored optical cables (4) is separately fixed in two wiring draw-in grooves (204)，Two optical fiber (104) are through armored optical cable (4)，And be connected with union joint (5)，The two ends of junction box (2) are also respectively fixed with heat-shrink tube (3)，Heat-shrink tube (3) is set on outdoor metal butterfly optical cable (1) and armored optical cable (4)，And outdoor metal butterfly optical cable (1) and armored optical cable (4) are fixed on the both sides of junction box (2).
- The most according to claim 1 being prefabricated into holds twin-core armouring butterfly leading in cable, it is characterized in that: described armored optical cable (4) includes the cable skin (401) set gradually from outside to inside, mesh grid (402), spins synthetic fibre yarn (403), armor (404) and blank pipe optical cable (405), optical fiber (104) passes blank pipe optical cable (405), and armored optical cable (4) stretches into one section of outside of wiring draw-in groove (204) and is also set with becket (406).
- The most according to claim 1 being prefabricated into holds twin-core armouring butterfly leading in cable, it is characterised in that: described union joint (5) is SC/UPC union joint.
- The most according to claim 1 being prefabricated into holds twin-core armouring butterfly leading in cable, it is characterised in that: being additionally provided with at least two reinforcements (103) in described oversheath (101), two reinforcements (103) are positioned at the both sides of optical fiber (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607040.1A CN105974545B (en) | 2016-07-29 | 2016-07-29 | It is prefabricated into end twin-core armouring butterfly leading in cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607040.1A CN105974545B (en) | 2016-07-29 | 2016-07-29 | It is prefabricated into end twin-core armouring butterfly leading in cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105974545A true CN105974545A (en) | 2016-09-28 |
| CN105974545B CN105974545B (en) | 2019-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610607040.1A Active CN105974545B (en) | 2016-07-29 | 2016-07-29 | It is prefabricated into end twin-core armouring butterfly leading in cable |
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| Country | Link |
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| CN (1) | CN105974545B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405749A (en) * | 2016-12-12 | 2017-02-15 | 广州市联兴光通信设备有限公司 | Pre-terminated armor-core bow-type drop cable and manufacturing method thereof |
| CN106908926A (en) * | 2017-04-13 | 2017-06-30 | 中天宽带技术有限公司 | A kind of double-core rubber-insulated optical cable wire jumper continued with glue heat-shrink tube cold joint |
| CN113359242A (en) * | 2021-06-22 | 2021-09-07 | 深圳市欧耐特通讯有限公司 | Double-loop armored optical fiber cross dense tapping structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5210812A (en) * | 1991-04-05 | 1993-05-11 | Alcatel Na Cable Systems, Inc. | Optical fiber cable having spliced fiber branch and method of making the same |
| JPH05142428A (en) * | 1991-04-05 | 1993-06-11 | Alcatel Nv | Optical fiber cable having fiber branch without splice and manufacture thereof |
| CN201449474U (en) * | 2009-04-24 | 2010-05-05 | 江苏宇特光电科技有限公司 | Double-core rubber-insulated optical cable splitter box device |
| CN103777278A (en) * | 2014-01-22 | 2014-05-07 | 中天宽带技术有限公司 | Double-core butterfly type optical cable butt fusion branch protector |
| CN204536625U (en) * | 2015-04-24 | 2015-08-05 | 四川天邑康和通信股份有限公司 | Multicore is prefabricated into end butterfly leading in cable |
| CN105572826A (en) * | 2016-02-24 | 2016-05-11 | 江苏俊知传感技术有限公司 | Branching type prefabricated end butterfly-shaped introduction optical cable and preparation method thereof |
-
2016
- 2016-07-29 CN CN201610607040.1A patent/CN105974545B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5210812A (en) * | 1991-04-05 | 1993-05-11 | Alcatel Na Cable Systems, Inc. | Optical fiber cable having spliced fiber branch and method of making the same |
| JPH05142428A (en) * | 1991-04-05 | 1993-06-11 | Alcatel Nv | Optical fiber cable having fiber branch without splice and manufacture thereof |
| CN201449474U (en) * | 2009-04-24 | 2010-05-05 | 江苏宇特光电科技有限公司 | Double-core rubber-insulated optical cable splitter box device |
| CN103777278A (en) * | 2014-01-22 | 2014-05-07 | 中天宽带技术有限公司 | Double-core butterfly type optical cable butt fusion branch protector |
| CN204536625U (en) * | 2015-04-24 | 2015-08-05 | 四川天邑康和通信股份有限公司 | Multicore is prefabricated into end butterfly leading in cable |
| CN105572826A (en) * | 2016-02-24 | 2016-05-11 | 江苏俊知传感技术有限公司 | Branching type prefabricated end butterfly-shaped introduction optical cable and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405749A (en) * | 2016-12-12 | 2017-02-15 | 广州市联兴光通信设备有限公司 | Pre-terminated armor-core bow-type drop cable and manufacturing method thereof |
| CN106405749B (en) * | 2016-12-12 | 2018-03-20 | 广州市联兴光通信设备有限公司 | A kind of pre-terminated armour core butterfly leading in cable and preparation method thereof |
| CN106908926A (en) * | 2017-04-13 | 2017-06-30 | 中天宽带技术有限公司 | A kind of double-core rubber-insulated optical cable wire jumper continued with glue heat-shrink tube cold joint |
| CN113359242A (en) * | 2021-06-22 | 2021-09-07 | 深圳市欧耐特通讯有限公司 | Double-loop armored optical fiber cross dense tapping structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105974545B (en) | 2019-01-11 |
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| CB02 | Change of applicant information |
Address after: 611330 No. 198, Xueshan Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Applicant after: Sichuan Tianyi Kanghe Communication Co., Ltd. Address before: 610000 No. 198 Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Applicant before: Sichuan Tianyi Kanghe Communication Co., Ltd. |
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