CN201060289Y - Fibre-optical plug connector plug cold connector - Google Patents
Fibre-optical plug connector plug cold connector Download PDFInfo
- Publication number
- CN201060289Y CN201060289Y CNU2006201707561U CN200620170756U CN201060289Y CN 201060289 Y CN201060289 Y CN 201060289Y CN U2006201707561 U CNU2006201707561 U CN U2006201707561U CN 200620170756 U CN200620170756 U CN 200620170756U CN 201060289 Y CN201060289 Y CN 201060289Y
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- optical fiber
- cavity
- screw
- chuck
- bicone
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Abstract
The utility model discloses an optical fiber connector plug cold spicing. A precise contact pin (1) is provided with a precise contact pin hole (8). A bipyramid chuck (5) with large and small cones (17, 18) at both sides is provided with an optical fiber line hole (15). The end of a pin base screw (2) with an optical sheath directional borehole (9) inside is provided with a large cone cavity (21); the end of a lock nut (6) is provided with a small cone cavity (22). The pin base screw (2) is connected with the lock nut (6) to form a lock cavity (11). The bipyramid chuck (5) is arranged inside the lock cavity. The pin base screw (2) connected with the precise contact pin (1) is arranged on the cavity screw (4). All the components are arranged in an installing cavity (14) formed by the cavity screw (4) and a cavity nut (7) to form a cold spicing. The optical fiber precise contact pin hole of the utility model guarantees the optical fiber radial precision positioning. The bipyramid chuck realizes the micro propulsion controlling and fixing. The cold spicing is suitable for mass popularization and application.
Description
Technical field
The utility model relates to a kind of optical fiber splicing device, is specifically related to optical fiber connector plug connection follower, be a kind of simple, convenient, firm, need not the coupling arrangement that complex operations just can realize fiber alignment.
Background technology
At present, in the fiber alignment field, the most famous is the FA optical fiber connector plug connection follower of U.S. 3M, as shown in Figure 4, its principle is: after the doubling of sheet metal indent, form the two circular arc optical fiber through holes of elasticity, optical fiber contact pins is installed in its front portion, the fiber segment of ground fixed length is housed in this cold connector, and the fine head that fiber segment is exposed on the external is inserted in the two circular arc optical fiber through holes of elasticity; When engineering construction, earlier optical fiber stripping is cut, and push through hole, make it be close to the fiber segment follower head of front end fixed length, press down locking closure again, locking closure is embedded in the plastic casing, its inner wedge is opened when closing tight sheet metal, optical fiber is fixed in the circular groove, thereby achieves a butt joint; In use there is following problem in this cold connector: 1. this scheme does not provide axial thrust to optical fiber in the cold butt joint of optical fiber, and fiber axis is to not realizing that reliable constant little feeding makes optical fiber connect into power and is restricted; 2. the optical fiber end of fixed length is being gluedd joint and fine head polishing and when inserting assembling in the optical fiber contact pins, equipment needed thereby expense costliness, and the frangibility loss produces waste product in the technological process; 3. owing to the relative indent accuracy requirement of sheet metal is high, cause cost very high; 4. the total manufacturing cost of a whole set of connector plug is very high, and the single-piece price is in Renminbi 80-90 unit; 5. when engineering construction, can not always reach request for utilization, need repeatedly uniting and adjustment and butt joint again, cause workmen's work load to strengthen owing to the fiber cut surface.
Summary of the invention
The purpose of this utility model is: a kind of optical fiber connector plug connection follower is provided, axial micro-elastic compression when it can realize the cold connection of optical fiber, radially reliable accurate microgap pin holes location and fan type list groove cone clamp, it is directly micro-outstanding from pin holes to shear good optical fiber, lappingout optical fiber protrudes the termination in simple and easy abrasive sheet, simplify the numerous and diverse degree of optical fiber construction work, reduce by a connected node, reduce the optical loss that produces in the cold joint process greatly, improve the success ratio of the cold connection of optical fiber, and reusable, reduce use cost, be fit to promote the use of in enormous quantities.
Technical solution of the present utility model is: the cavity screw forms installation cavity by cavity pair of nut connection chamber body nut, and the whole formation of cold joint connector body optical fiber connector plug connection follower is installed in installation cavity; Described cold joint connector body is made up of precision positioning device and locking device, and wherein, precision positioning device is accurate microgap contact pin body, establishes accurate microgap pin holes in the accurate microgap contact pin body; Wherein, locking device is by the Plug pin patch bay screw, set nut, the bicone chuck is formed, both sides are that the bicone chuck of the big or small conical surface is provided with the optical fiber cable hole, one end of Plug pin patch bay screw has the big conical surface chamber with the big cone match of bicone chuck, one end of set nut has the conelet face chamber with the little cone match of bicone chuck, establish optical fiber crust directional hole in the Plug pin patch bay screw, one end of Plug pin patch bay screw forms lock chambers by the secondary set nut that connects of set nut, the bicone chuck is installed in lock chambers is formed locking device, the other end of Plug pin patch bay screw is installed in the cavity screw, accurate microgap contact pin body is installed on the Plug pin patch bay screw, the communicate optical fiber cable hole of optical fiber crust directional hole and bicone chuck of Plug pin patch bay screw of accurate microgap pin holes; Precision positioning device connects locking device and forms the cold joint connector body, and the cold joint connector body is installed in the interior formation of the installation cavity optical fiber connector plug connection follower of cavity screw and the formation of cavity nut.
In the optical fiber connector plug connection follower of the present utility model, an end of the accurate microgap pin holes in the accurate microgap contact pin body has the guiding cone angle.
In the optical fiber connector plug connection follower of the present utility model, the Plug pin patch bay screw is installed in the cavity screw by spring.
In the optical fiber connector plug connection follower of the present utility model, the fan type of radially the opening list groove in the optical fiber cable hole of bicone chuck.
In the optical fiber connector plug connection follower of the present utility model, establish on the optical fiber cable hole of bicone chuck and clamp down on back stop slot.
In the optical fiber connector plug connection follower of the present utility model, the outside diameter direction of set nut has the locking shoulder that cooperates with the locking instrument.
During construction, take off the cavity nut of optical fiber connector plug connection follower, unclamp set nut, the external cover of cold joint connector is specially joined housing and is snapped in the light instrument seat, annotates; Specially joining housing is the standard component that optical fiber connects; the pedestal front end flexible block of tool seat withstands on the accurate microgap contact pin body; optical fiber crust fixed length is pushed aside; pass sheath respectively; clamp aluminium circle and cavity nut; strip optical fiber specific purpose tool cutting optical fibre end face by certain specification; optical fiber head is inserted the optical fiber cable hole of bicone chuck; optical fiber pushes the precise fine pin holes of accurate microgap contact pin body through the crust directional hole of Plug pin patch bay screw; be fitted on the front end flexible block face of tool seat; with locking instrument precession set nut; the stressed closure of dwindling of fan type list groove in the optical fiber cable hole of bicone chuck; the optical fiber cable hole dwindles; the back stop slot pincers of clamping down in optical fiber cable hole fasten the optical fiber crust; tight the optical fiber pincers on the one hand; trace advances optic fibre end in screwing process on the other hand; make the optic fibre end trace protrude accurate microgap contact pin surface; from simple and easy tool seat, take out the cold joint connector body; fine fiber end face and the clean surface of protruding of finishing polish in simple and easy abrasive sheet; screw the cavity nut; fixed fiber protection crust; sheath is installed, is realized that finally optical fiber reliably connects.
The utlity model has following advantage: one, accurate microgap pin holes precision positioning optical fiber radially guarantees that the optical fiber radial location is accurate; Two, the bicone chuck is realized the reliable clamper of optical fiber crust in lock chambers, and axially trace advances control, and fine head trace is protruded; Three, this optical fiber cold connector adopts single fiber directly fixing, reduces inner butt errors, promptly reduces by a Fiber Node, reduces the light loss rate, improves reliability; Four, the fine fiber end face that protrudes of finishing polish in simple and easy abrasive sheet is more accurate than simple use cut mode, guarantees the verticality of fine face, thereby greatly reduces the light loss rate; Five, optical fiber connector plug connection follower realize repeating, highly reliable connection; Six, totally cheap for manufacturing cost, be fit to promote the use of in enormous quantities, especially FTTH Fiber to the home engineering.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is Fig. 1 bicone chuck synoptic diagram.
Fig. 3 is Fig. 2 cut-open view.
Fig. 4 is the FA connector plug optical fiber cold connector of U.S. 3M.
Among the figure: 1. accurate microgap contact pin body, 2. Plug pin patch bay screw, 3. spring, 4. cavity screw, 5. bicone chuck, 6. set nut, 7. cavity nut, 8. accurate microgap pin holes, 9. crust directional hole, 10. set nut pair, 11. lock chambers, 12. cavity pair of nut, 13. the locking shoulder, 14. installation cavitys, 15. optical fiber cable holes, 16. fan type list groove, the 17. big conical surfaces, the 18. little conical surfaces, 19. clamp down on back stop slot, 20. guiding cone angles, 21. augers are to the chamber, 22. conelet face chamber, 23. plug body, 24. elements, 25. lid, the contact pin of 26. band short fibers, 27. short fibers, 28. framework, 29. springs, 30. plug optical cable holders.
Embodiment
As shown in Figure 1, 2, 3, cavity screw 4 forms installation cavity 14 by cavity pair of nut 12 connection chamber body nuts 7, the cold connection extender body is installed in installation cavity 14 is constituted the optical fiber cold connector; Described cold connection extender body is made up of precision positioning device and locking device, and wherein, precision positioning device is accurate microgap contact pin body 1, establishes accurate microgap pin holes 8 in the accurate microgap contact pin body 1; Wherein, locking device is by Plug pin patch bay screw 2, set nut 6, bicone chuck 5 is formed, both sides are the big or small conical surface 17, in 18 the bicone chuck 5 optical fiber cable hole 15 is arranged, one end of Plug pin patch bay screw 2 has the big conical surface chamber 21 that cooperates with the big conical surface 17 of bicone chuck 5, one end of set nut 6 has the conelet face chamber 22 that cooperates with the conelet face 18 of bicone chuck 5, establish optical fiber crust directional hole 9 in the Plug pin patch bay screw 2, one end of Plug pin patch bay screw 2 connects set nut 6 by set nut secondary 10 and forms lock chambers 11, bicone chuck 5 is installed in lock chambers 11 is formed locking device, the other end of Plug pin patch bay screw 2 is installed in the cavity screw 4, accurate microgap contact pin body 1 is installed on the Plug pin patch bay screw 2, the communicate optical fiber cable hole 15 of crust directional hole 9 and bicone chuck 5 of Plug pin patch bay screw 2 of accurate microgap pin holes 8, precision positioning device connects locking device and forms the cold connection extender body, and the cold connection extender body is installed in the installation cavity 14 interior formation cold connectors of cavity screw 4 and 7 formation of cavity nut.
In the optical fiber connector plug connection follower of the present utility model, an end of the accurate microgap pin holes 8 in the accurate microgap contact pin body 1 has guiding cone angle 20.
In the optical fiber connector plug connection follower of the present utility model, Plug pin patch bay screw 2 is installed in the cavity screw 4 by spring 3.
In the optical fiber connector plug connection follower of the present utility model, the fan type of radially the opening list groove 16 in the optical fiber cable hole 15 of bicone chuck 5.
In the optical fiber connector plug connection follower of the present utility model, establish on the optical fiber cable hole 15 of bicone chuck 5 and clamp down on back stop slot 19.
In the optical fiber connector plug connection follower of the present utility model, the outside diameter direction of set nut 6 has the locking shoulder 13 that cooperates with the locking instrument.
During construction; take off the cavity nut 7 of optical fiber connector plug connection follower; unclamp set nut 6; the external cover of cold joint connector is specially joined housing and is snapped in the light instrument seat; the pedestal front end flexible block of tool seat withstands on the accurate microgap contact pin body 1; strip optical fiber specific purpose tool cutting optical fibre end face by certain specification; optical fiber head is inserted the optical fiber cable hole 15 of bicone chuck 5; optical fiber head pushes the precise fine pin holes 8 of accurate microgap contact pin body 1 through the crust directional hole 9 of Plug pin patch bay screw 2; be fitted on the front end flexible block face of tool seat; with locking instrument precession set nut 6; the fan type list groove 16 stressed closures of dwindling in the optical fiber cable hole 15 of bicone chuck 5; optical fiber cable hole 15 dwindles; optical fiber cable hole 15 clamp down on back stop slot 19 fixed fiber crusts; tight the optical fiber pincers on the one hand; trace advances optic fibre end in screwing process on the other hand; make the optic fibre end trace protrude accurate microgap contact pin body 1 surface; from simple and easy tool seat, take out the cold joint connector body; fine fiber end face and the clean surface of protruding of finishing polish in simple and easy abrasive sheet; screw cavity nut 7; fixed fiber protection crust and sheath realize that optical fiber reliably connects.
Optical fiber connector plug connection follower of the present utility model has following technical parameter: insert loss and be lower than 0.2dB; The tensile strength of joint is greater than 1000 grams; Thermal stability guarantees operate as normal in-40 to 80 degrees centigrade of scopes; Reflection loss is greater than-35dB.
Claims (6)
1. optical fiber connector plug connection follower is characterized in that: cavity screw (4) forms installation cavity (14) by cavity pair of nut (12) connection chamber body nut (7), and the whole formation of cold joint connector body optical fiber cold connector is installed installation cavity (14) in; Described cold joint connector body is made up of precision positioning device and locking device, and wherein, precision positioning device is an accurate microgap contact pin body (1), establishes accurate microgap pin holes (8) in the accurate microgap contact pin body (1); Wherein, locking device is by Plug pin patch bay screw (2), set nut (6), bicone chuck (5) is formed, both sides are the big or small conical surface (17,18) in the bicone chuck (5) optical fiber cable hole (15) is arranged, one end of Plug pin patch bay screw (2) has the big conical surface chamber (21) that cooperates with the big conical surface (17) of bicone chuck (5), one end of set nut (6) has the conelet face chamber (22) that cooperates with the little conical surface (18) of bicone chuck (5), establish optical fiber crust directional hole (9) in the Plug pin patch bay screw (2), one end of Plug pin patch bay screw (2) connects set nut (6) by set nut pair (10) and forms lock chambers (11), bicone chuck (5) is installed in lock chambers (11) is formed locking device, the other end of Plug pin patch bay screw (2) is installed in the cavity screw (4), accurate microgap contact pin body (1) is installed on the Plug pin patch bay screw (2), the communicate optical fiber cable hole (15) of crust directional hole (9) and bicone chuck (5) of plug pin seat screw (2) of accurate microgap pin holes (8), precision positioning device connects locking device and forms the cold joint connector body, and the cold joint connector body is installed in the interior formation of installation cavity (14) cold connector of cavity screw (4) and cavity nut (7) formation.
2. optical fiber connector plug connection follower according to claim 1 is characterized in that: an end of the accurate microgap pin holes (8) in the accurate microgap contact pin body (1) has guiding cone angle (20).
3. optical fiber connector plug connection follower according to claim 1 is characterized in that: Plug pin patch bay screw (2) is installed in the cavity screw (4) by spring (3).
4. optical fiber connector plug connection follower according to claim 1 is characterized in that: the fan type of radially the opening list groove (16) in the optical fiber cable hole (15) of bicone chuck (5).
5. optical fiber connector plug connection follower according to claim 1 is characterized in that: establish on the optical fiber cable hole (15) of bicone chuck (5) and clamp down on back stop slot (19).
6. optical fiber connector plug connection follower according to claim 1 is characterized in that: the outside diameter direction of set nut (6) has the locking shoulder (13) that cooperates with the locking instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201707561U CN201060289Y (en) | 2006-12-18 | 2006-12-18 | Fibre-optical plug connector plug cold connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201707561U CN201060289Y (en) | 2006-12-18 | 2006-12-18 | Fibre-optical plug connector plug cold connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060289Y true CN201060289Y (en) | 2008-05-14 |
Family
ID=39408771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201707561U Expired - Fee Related CN201060289Y (en) | 2006-12-18 | 2006-12-18 | Fibre-optical plug connector plug cold connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060289Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914839A (en) * | 2012-11-13 | 2013-02-06 | 南通昱品通信科技有限公司 | Framework type optical fiber ribbon cable feeding-trough device |
| CN105652386A (en) * | 2016-02-26 | 2016-06-08 | 深圳市恒捷丰光电科技有限公司 | Fast assembly type optical fiber connector |
-
2006
- 2006-12-18 CN CNU2006201707561U patent/CN201060289Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914839A (en) * | 2012-11-13 | 2013-02-06 | 南通昱品通信科技有限公司 | Framework type optical fiber ribbon cable feeding-trough device |
| CN105652386A (en) * | 2016-02-26 | 2016-06-08 | 深圳市恒捷丰光电科技有限公司 | Fast assembly type optical fiber connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20100118 |