CN102375184B - Quick optical fiber terminating assembly - Google Patents
Quick optical fiber terminating assembly Download PDFInfo
- Publication number
- CN102375184B CN102375184B CN201110354831.5A CN201110354831A CN102375184B CN 102375184 B CN102375184 B CN 102375184B CN 201110354831 A CN201110354831 A CN 201110354831A CN 102375184 B CN102375184 B CN 102375184B
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- Prior art keywords
- optical fiber
- optical
- fiber
- latch mechanism
- hole
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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
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3846—Details of mounting fibres in ferrules; Assembly methods; Manufacture with fibre stubs
-
- 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
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3801—Permanent connections, i.e. wherein fibres are kept aligned by mechanical means
- G02B6/3806—Semi-permanent connections, i.e. wherein the mechanical means keeping the fibres aligned allow for removal of the fibres
-
- 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
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
Abstract
The invention discloses a quick optical fiber terminating assembly, which comprises an optical fiber butting device, a connecting seat, an optical fiber bending device and an optical cable bending device, wherein the optical fiber butting device is used for butting a pre-buried optical fiber and an access optical fiber; a through hole is formed in the connecting seat; the optical fiber butting device is arranged in a through hole at one end of the connecting seat; the optical fiber bending device is inserted into a through hole at the other end of the connecting seat, and is used for bending the access optical fiber; and the tail end of the optical fiber bending device is provided with a first spring for retaining the optical fiber bending device. The hidden trouble of insufficient butting caused by size change of a butting device material due to environmental change is well overcome, and the optical fiber butting performance is invariable in different environments. The optical cable bending device can be positioned in a shell groove by pushing a clamping groove for realizing preservation and buffering of an optical cable, so that the problem of optical fiber breakage or butt separation caused by coiling or dragging of an access optical cable in the field operation process is solved.
Description
Technical field
The present invention relates to a kind of high performance on-site and continue and use optical fiber quick terminal forming component, be specifically related to various model pre-buried optical fiber quick terminal forming components.
Background technology
At present, along with the develop rapidly of Fibre Optical Communication Technology, PON access technology has become global FTTH(, and Fiber to the home) the main solution popularized in an all-round way.Yet, in this last one kilometer of access, install, how to accomplish to register one's residence that cost is low, easy for installation, quickness and high efficiency, the optical property, the high unfailing performance that have possessed are again very crucial simultaneously.
For FTTH(, Fiber to the home) access install, traditional optical fiber fusion welding technology, is subject to the restriction in place, installation personnel to need professional training etc. former thereby cannot obtain large-area popularization because its cost is high, while installing.Quick optical fiber terminating assembly, with its advantage such as easy for installation, quick, efficient, has become the optimal selection scheme of current FTTH access.
In existing quick terminal forming component, common are through type (also claiming direct insertion or dry type) and built-in type.General built-in type quick terminal forming component, a pre-buried optical fiber in ceramic core internal hole, one end forms the termination of docking with normal connector after grinding and polishing with ceramic insertion core, the other end exposes certain length and guarantees that end face is smooth, then bared end optical fiber is arranged in a V-type groove, half adopts organic material or metal material V-type groove, V-type groove is equipped with corresponding optical fiber and overlays piece and be used for lock and press the outer docking that enters optical fiber and pre-buried optical fiber, during docking, in V-type groove, shift to an earlier date preset coupling gel, after docking, optical cable is locked.There are a lot of hidden danger of quality in this scheme, such as: 1) locking bare fibre device materials and slotting core material are inconsistent, and the different materials dimensional discrepancy that different environmental changes makes causes docking optical fiber separation or fracture, and inefficacy continues; 2) fiber alignment lock optical cable, at the scene in operation process due to the coiling or pull the optical fiber under tension of crust parcel is ruptured of access optical cable, cause the inefficacy that continues.
summary of the invention:
The object of this invention is to provide a kind of Quick optical fiber terminating assembly, the optical property having possessed and high reliability.The present invention has solved various inefficacies or the bad problem that current quick terminal forming component exists completely.
Technical solution of the present invention is: a kind of Quick optical fiber terminating assembly, comprise optical fiber butting device, and for the docking of pre-buried optical fiber and incoming fiber optic, it also comprises Connection Block, fibre-optical bending device and optical cable bending apparatus; In Connection Block, be provided with through hole, optical fiber butting device is located in the through hole of Connection Block one end, fibre-optical bending device is plugged in the through hole of the Connection Block other end, and fibre-optical bending device is for crooked incoming fiber optic, and fibre-optical bending device tail end is provided with for pushing against the first spring of fibre-optical bending device.
Described fibre-optical bending device comprises optical fiber latch mechanism, the first voussoir, be located at the second spring between optical fiber butting device and fibre-optical bending device and be socketed in the first spring of optical fiber latch mechanism tail end, after mobile the first voussoir, the former elastic force acting on the first voussoir of the first spring is acted on optical fiber latch mechanism, and compress the second spring, make incoming fiber optic form curved fiber in Connection Block through hole.
Described optical fiber butting device realizes pre-buried optical fiber and incoming fiber optic docks and locks in through hole.In described fibre-optical bending device, there is the first voussoir, after pre-buried optical fiber and incoming fiber optic locking, mobile the first voussoir, under the acting force of the first spring, incoming fiber optic is crooked in through hole, well made up the change in size causing because of environmental change due to docking facilities material and caused docking insufficient hidden danger, guaranteed that fiber alignment performance is constant under different environment.
Different design proposals can realize fibre-optical bending function equally.Described fibre-optical bending device comprise optical fiber latch mechanism, be socketed in the first spring of optical fiber latch mechanism tail end and be located at optical fiber butting device and optical fiber latch mechanism between and the second voussoir movably, the second voussoir is used for keeping having certain interval between optical fiber butting device and optical fiber latch mechanism, the first acting force of the spring is to optical fiber latch mechanism, remove the second voussoir, make original gap-closing optical fiber latch mechanism make incoming fiber optic form curved fiber in Connection Block through hole.
Described fibre-optical bending device tail end is connected with optical cable bending apparatus, it comprises optical cable latch mechanism, described optical cable latch mechanism comprises shell, gland, draw-in groove, pintle hook lock and swivel nut, described shell is provided with a detent, and access optical cable is clipped in draw-in groove and with pintle hook lock and locks optical cable, when draw-in groove pushes shell, optical fiber inserts through hole and pre-buried fiber alignment, promote draw-in groove and be positioned in the detent of shell to make optical cable crooked, lock swivel nut after covering gland, complete access optical cable bending.
Described optical cable bending apparatus can be located in outer casing groove and realizes reserved buffer optical cable by promoting draw-in groove, has solved at the scene coiling or pulling the fibercuts causing or departing from docking due to access optical cable in operation process.
Described optical fiber butting device comprises lock pin body and is positioned at the endoporus of lock pin, on described lock pin body, offer two grooves until endoporus is exposed, the fiber alignment end face of pre-buried optical fiber and incoming fiber optic is positioned on the hole site in the middle of two grooves, and two grooves are used for filling coupling gel.Connection Block is also for sealing two grooves.
Compared with prior art, the invention has the advantages that:
One, high performance optical fiber quick connector core, it not only can accomplish easy for installation, quick, efficient and the cost of registering one's residence is low, the optical property having possessed again and high reliability simultaneously.
Two, to realize bare fibre reserved crooked for locking bare fibre, prevented because material is flexible different or agingly cause interface to depart from losing efficacy, and guaranteed that 2 fiber alignment points fully docked simultaneously.
Three, locking reserved crooked optical cable during optical cable, prevents that external force from pullling optical cable and causing fibercuts or affect fiber alignment.
Accompanying drawing explanation
Fig. 1 is quick coupler docking and locking bare fibre schematic diagram.
Fig. 2 is the quick coupler schematic diagram of overall package.
Fig. 3 is the whole series assembling schematic diagram that another kind is realized bare fibre bending.
1, lock pin body 2, pre-buried optical fiber 3, incoming fiber optic 4, briquetting 5, holding jacket 6, Connection Block 7, curved fiber 9, the first spring 10, the second spring 11, shell 12, gland 13, draw-in groove 14, pintle hook lock 15, swivel nut 16, crooked optical cable 17, detent 18, the first voussoir 19, the second voussoir.
Embodiment
As shown in Figures 1 and 2, the invention discloses a kind of Quick optical fiber terminating assembly, comprise optical fiber butting device, for the docking of pre-buried optical fiber 2 and incoming fiber optic 3, it also comprises Connection Block 6, fibre-optical bending device and optical cable bending apparatus; In Connection Block 6, be provided with through hole, optical fiber butting device is located in the through hole of Connection Block 6 one end, fibre-optical bending device is plugged in the through hole of Connection Block 6 other ends, and fibre-optical bending device is for crooked incoming fiber optic 3, and optical fiber latch mechanism tail end is provided with for pushing against the first spring 9 of fibre-optical bending device.
This first spring 9 both can promote incoming fiber optic 3 and form curved fiber 7, can realize again the elasticity of connector when assembling.
Described fibre-optical bending device comprise optical fiber latch mechanism, the first voussoir 18, be socketed in the first spring 9 of optical fiber latch mechanism tail end and be located at optical fiber butting device and fibre-optical bending device between the second spring 10, after mobile the first voussoir, the former elastic force acting on the first voussoir of the first spring is acted on optical fiber latch mechanism, and compress the second spring 10, make incoming fiber optic 3 form curved fiber 7 in Connection Block 6 through holes.Described the first voussoir 18 is movably plugged between optical fiber latch mechanism and the first spring.
In described optical fiber latch mechanism comprises, establish the briquetting 4 of through hole and for locking the holding jacket 5 of briquetting 4, dock optical fiber 3 through in the through hole incoming fiber optic docking facilities of briquetting 4.The incoming end of described briquetting 4 is provided with a V-type groove.
Optical cable bending apparatus also comprises optical cable latch mechanism, described optical cable latch mechanism comprises shell 11, gland 12, draw-in groove 13, pintle hook lock 14 and swivel nut 15, described shell 11 is provided with a detent 17, access optical cable is clipped in draw-in groove 13 and with pintle hook lock 14 and locks optical cables, when draw-in groove 13 pushes shell 11, docking optical fiber 3 inserts through hole and 2 docking of pre-buried optical fiber, promote draw-in groove 13 and be positioned in the detent 17 of shell 11 to make optical cable form crooked optical cable 16, after covering gland 12, lock swivel nut 15, complete access optical cable bending.This bending optical cable 16 can cushion the pulling causing due to external force, thereby prevents fibercuts.
Described optical fiber butting device comprises lock pin body 1 and is positioned at the endoporus of lock pin body 1, on described lock pin body 1, offer two grooves until endoporus is exposed, the fiber alignment end face of pre-buried optical fiber 2 and incoming fiber optic 3 is positioned on the hole site in the middle of two grooves, and two grooves are used for filling coupling gel.Connection Block 6 is also for sealing two grooves.
Embodiment 2
The present embodiment is close with the structure of embodiment 1, its difference is the structure of fibre-optical bending device, particularly, this fibre-optical bending device comprises optical fiber latch mechanism, be socketed in the first spring 9 of optical fiber latch mechanism tail end and be located at optical fiber butting device and optical fiber latch mechanism between and the second voussoir 19 movably, for keeping, between optical fiber butting device and optical fiber latch mechanism, there is certain interval in the second voussoir 19, the first spring 10 acting force compression optical fiber latch mechanisms, remove the second voussoir 19, optical fiber latch mechanism moves under the acting force of the first spring, make incoming fiber optic 3 form curved fiber in Connection Block 6 through holes.
The present embodiment inserts in advance the second voussoir 19 before optical fiber latch mechanism, after locking incoming fiber optic, takes out the second voussoir 19, promotes fibre-optical bending device under the acting force of the first spring 9, realizes at lock pin body through hole and reserves curved fiber 7 outward.
Claims (9)
1. a Quick optical fiber terminating assembly, comprises optical fiber butting device, for the docking of pre-buried optical fiber and incoming fiber optic, also comprises Connection Block, fibre-optical bending device and optical cable bending apparatus; In Connection Block, be provided with through hole, optical fiber butting device is located in the through hole of Connection Block one end, fibre-optical bending device is plugged in the through hole of the Connection Block other end, fibre-optical bending device is for crooked incoming fiber optic, it is characterized in that, fibre-optical bending device tail end is provided with for pushing against the first spring of fibre-optical bending device.
2. Quick optical fiber terminating assembly according to claim 1, it is characterized in that, described fibre-optical bending device comprise optical fiber latch mechanism, the first voussoir and be located at optical fiber butting device and fibre-optical bending device between the second spring, the second spring is guaranteed to assemble at the scene between front optical fiber butting device and optical fiber locking device and is had a slot, after mobile the first voussoir, the first spring promotes optical fiber latch mechanism makes incoming fiber optic form curved fiber in Connection Block through hole.
3. Quick optical fiber terminating assembly according to claim 2, is characterized in that, described the first voussoir is movably plugged between optical fiber latch mechanism and the first spring.
4. Quick optical fiber terminating assembly according to claim 1, it is characterized in that, described fibre-optical bending device comprise optical fiber latch mechanism and be located at optical fiber butting device and optical fiber latch mechanism between and the second voussoir movably, the second voussoir is used for keeping having certain interval between optical fiber butting device and optical fiber latch mechanism, remove the second voussoir, optical fiber latch mechanism moves under the first spring action, and optical fiber latch mechanism makes incoming fiber optic form curved fiber in Connection Block through hole.
5. Quick optical fiber terminating assembly according to claim 2, is characterized in that, establishes the briquetting of through hole and for locking the holding jacket of briquetting, dock optical fiber through in the through hole incoming fiber optic docking facilities of briquetting in described optical fiber latch mechanism comprises.
6. Quick optical fiber terminating assembly according to claim 5, is characterized in that, the incoming end of described briquetting is provided with a V-type groove.
7. Quick optical fiber terminating assembly according to claim 1, it is characterized in that, described fibre-optical bending device tail end is connected with optical cable bending apparatus, it comprises optical cable latch mechanism, described optical cable latch mechanism comprises shell, gland, draw-in groove, pintle hook lock and swivel nut, described shell is provided with a detent, access optical cable is clipped in draw-in groove and with pintle hook lock and locks optical cable, when draw-in groove pushes shell, optical fiber inserts through hole and pre-buried fiber alignment, promote draw-in groove and be positioned in the detent of shell to make optical cable crooked, lock swivel nut after covering gland, complete access optical cable bending.
8. according to the Quick optical fiber terminating assembly described in claim 1 to 7 any one, it is characterized in that, described optical fiber butting device comprises lock pin body and is positioned at the endoporus of lock pin, on described lock pin body, offer two grooves until endoporus is exposed, the fiber alignment end face of pre-buried optical fiber and incoming fiber optic is positioned on the hole site in the middle of two grooves, and two grooves are used for filling coupling gel.
9. Quick optical fiber terminating assembly according to claim 8, is characterized in that, Connection Block is also for sealing two grooves.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110354831.5A CN102375184B (en) | 2011-11-10 | 2011-11-10 | Quick optical fiber terminating assembly |
| PCT/CN2011/084306 WO2013067736A1 (en) | 2011-11-10 | 2011-12-20 | Rapid optical fibre forming assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110354831.5A CN102375184B (en) | 2011-11-10 | 2011-11-10 | Quick optical fiber terminating assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102375184A CN102375184A (en) | 2012-03-14 |
| CN102375184B true CN102375184B (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110354831.5A Active CN102375184B (en) | 2011-11-10 | 2011-11-10 | Quick optical fiber terminating assembly |
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| Country | Link |
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| CN (1) | CN102375184B (en) |
| WO (1) | WO2013067736A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063846A1 (en) * | 2011-11-02 | 2013-05-10 | 潮州三环（集团）股份有限公司 | Fast termination assembly for optical fibre |
| CN107765371A (en) * | 2016-08-20 | 2018-03-06 | 上海艾派通讯科技有限公司 | Exempt from bare fibre docking LC type Assembling optical connectors |
| CN108061942A (en) * | 2018-01-26 | 2018-05-22 | 浙江中科光电有限公司 | A kind of mechanical optical fiber field connection device |
| CN108983365A (en) * | 2018-08-15 | 2018-12-11 | 杭州雷特通信技术有限公司 | A kind of double optical fiber fields, which synchronize, exempts from molten connection system and production method |
| CN113238326B (en) * | 2021-05-12 | 2022-03-29 | 深圳意创通讯科技有限公司 | Straight-through multi-core optical fiber connector |
| CN113835162B (en) * | 2021-09-30 | 2023-02-28 | 杭州润州光电技术有限公司 | Splicing core and optical fiber quick connector thereof |
| CN115390196B (en) * | 2022-09-30 | 2023-08-11 | 烽火通信科技股份有限公司 | Optical fiber connector |
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| CN202815272U (en) * | 2011-11-10 | 2013-03-20 | 潮州三环（集团）股份有限公司 | Optical fiber quick forming assembly |
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| FR2464490A1 (en) * | 1979-08-31 | 1981-03-06 | Deutsch Co | Two-part optical fibre connector - with female part contg. spring loaded insert in which fibre can freely slide |
| US4784455A (en) * | 1982-03-17 | 1988-11-15 | Thomas & Betts Corporation | Strain relief connector for optical fiber |
| US5828806A (en) * | 1996-10-10 | 1998-10-27 | Molex Incorporated | Fiber optic connector |
| JP3585762B2 (en) * | 1999-02-16 | 2004-11-04 | 株式会社フジクラ | Optical connector |
| JP2000258658A (en) * | 1999-03-09 | 2000-09-22 | Sony Corp | Plastic optical fiber connector |
| JP2002023006A (en) * | 2000-07-06 | 2002-01-23 | Fujikura Ltd | Optical connector assembling tool |
| JP4416591B2 (en) * | 2004-07-16 | 2010-02-17 | スリーエム イノベイティブ プロパティズ カンパニー | Optical connector and optical fiber connection system |
| CN2854626Y (en) * | 2005-12-23 | 2007-01-03 | 武汉楚星光纤应用技术有限公司 | Fibre-optical quick coupler |
| JP2008268280A (en) * | 2007-04-16 | 2008-11-06 | Sumitomo Electric Ind Ltd | Optical connector |
| CN201133946Y (en) * | 2007-07-23 | 2008-10-15 | 江苏宇特光电科技有限公司 | FC-SC,FC-SC-APC optical fiber rapid splicer |
| CN201408274Y (en) * | 2009-04-24 | 2010-02-17 | 深圳威谊光通技术有限公司 | Pre-buried optical fiber connector |
| CN101806940B (en) * | 2010-04-19 | 2012-02-29 | 烽火通信科技股份有限公司 | Optical fiber field connector |
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2011
- 2011-11-10 CN CN201110354831.5A patent/CN102375184B/en active Active
- 2011-12-20 WO PCT/CN2011/084306 patent/WO2013067736A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202815272U (en) * | 2011-11-10 | 2013-03-20 | 潮州三环（集团）股份有限公司 | Optical fiber quick forming assembly |
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| Publication number | Publication date |
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| WO2013067736A1 (en) | 2013-05-16 |
| CN102375184A (en) | 2012-03-14 |
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