CN200962152Y - Single-core optical fiber cold connection relay - Google Patents
Single-core optical fiber cold connection relay Download PDFInfo
- Publication number
- CN200962152Y CN200962152Y CN 200620127037 CN200620127037U CN200962152Y CN 200962152 Y CN200962152 Y CN 200962152Y CN 200620127037 CN200620127037 CN 200620127037 CN 200620127037 U CN200620127037 U CN 200620127037U CN 200962152 Y CN200962152 Y CN 200962152Y
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- optical fiber
- docking facilities
- lock
- housing
- cold connection
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- Expired - Fee Related
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Abstract
The utility model discloses a single core optical fiber cold connector. A butt-joint device (2) is arranged on the middle portion of a shell (1) whose two ends are provided with a locking chamber (11) with inner screws (12). The locking device (3) is tightened inside the locking chamber (11). In the project operation, optical fibers peeled according to certain standard are inserted into the optical fiber holes with sub-nanometer precision of the but-joint device to realize the optical fiber precision positioning. The processional locking device makes the optical fiber possess the cohesive force during the connection process on the one hand and makes the optical fiber realize the micro feed control stability on the other hand, thereby ensuring the tight connection of the optical fiber surfaces.
Description
Technical field
The utility model relates to a kind of coupling arrangement, is specifically related to single core optical fiber cold connection follower, be a kind of simple, convenient, need not the reliable butt joint that any isolated plant just can be realized optical fiber.
Background technology
At present, in the fiber alignment field, the most famous is the Fibrlok optical fiber cold connector of U.S. 3M, forms the two circular arc optical fiber through holes of elasticity after the doubling of sheet metal indent; When engineering construction, use specific purpose tool that optical fiber is pushed through hole, the extruding of passing through upper press cover dwindles pressed fiber to achieve a butt joint to the metal tabs application of force by metal tabs optical fiber through hole again.Specific purpose tool provides axial thrust for optical fiber, and two optical fiber heads are fitted, and when fibre core is locked, takes out the axial thrust Lock-out from specific purpose tool.One because this structure is high to the manufacturing accuracy requirement of sheet metal, the manufacturing cost height, and the single-piece price is more than 90 yuan of Renminbi; Two need specific purpose tool when engineering construction, manipulate very inconvenience; Three fiber axiss make optical fiber connect into power and are restricted to not realizing reliable constant little feeding.
The sustainable supply of single core optical fiber cold connection follower realization optical fiber axial microfeed power during cold connection of application number 200610085867.7, radially reliable conical surface screw-tightened, simplified optical fiber numerous and diverse degree of constructing, but the control of the connection primary clearance of optical fiber is complicated, the stability shortcoming.
Summary of the invention
The purpose of this utility model is: a kind of single core optical fiber cold connection follower is provided, the sustainable supply of axial micro-auto-feed power and radially on the basis of reliable conical surface screw-tightened when realizing that optical fiber is cold and connect provides accurate radial location raising stability and operability by docking mechanism.
Technical solution of the present utility model is: this cold connection extender mainly is made up of housing, docking facilities, locking device, establish docking facilities at the housing middle part, two optic fibre ends are realized accurate butt joint in docking facilities, establish tapped lock chambers at the housing two ends, locking device is tightened in the lock chambers; Described locking device mainly is made up of lock-screw, bipyramid chuck, there is the big or small conical surface main body both sides of bipyramid chuck, the optical fiber cable hole is arranged in the bipyramid chuck, the screw-internal thread fit of the external thread of lock-screw and housing lock chambers, one end of lock-screw is established the little conical surface that cooperates with the bipyramid chuck, the inner face of housing lock chambers is established the big conical surface that cooperates with the bipyramid chuck, it is characterized in that: described docking facilities is mainly the docking facilities body, establish inferior nano-precision level optic fibre hole on the docking facilities body, there is the fiber alignment air discharge duct at docking facilities body middle part.
In the single core optical fiber cold connection follower of the present utility model, there are two guiding cone angles at the two ends of the inferior nano-precision level optic fibre hole of docking facilities.
In the single core optical fiber cold connection follower of the present utility model, one group of back stop slot is arranged on the optical fiber cable hole of the bipyramid chuck of locking device.
In the single core optical fiber cold connection follower of the present utility model, the inferior nano-precision level optic fibre hole of docking facilities is realized the precision butt joint guiding of two optic fibre ends; The fiber alignment air discharge duct at docking facilities body middle part guarantees that two optic fibre ends reliably dock; The bipyramid chuck continues to provide axial microfeed power on the one hand, and two optic fibre ends closely are adjacent to, and shrinks the pressed fiber crust by self on the other hand.
In engineering construction, insert the optical fiber that strips by certain specification on the bipyramid chuck, two optic fibre ends butt up against in the inferior nano-precision level optic fibre hole of docking facilities, screw lock-screw, come grip optical fibers by bipyramid chuck pressed fiber crust, thereby realize that optical-fibre precise reliably connects.Wherein, inferior nano-precision level optic fibre hole provides accurate radial location for two optic fibre ends; When screwing lock-screw, realize the control of optical fiber microfeed power by the design of the bipyramid chuck differentiation conical surface on the one hand, make optical fiber that applying power be arranged in connection procedure all the time, hold the optical fiber crust tightly by the contraction of bipyramid chuck on the other hand, the fixed fiber axial location, thus the connection that fits tightly of two fiber end faces guaranteed.
The utlity model has following advantage: one, inferior nano-precision level optic fibre hole forms optical fiber high precision connection tightening passage; Two, bipyramid chuck microfeed control produces applying power, realizes axial accurate applying of optical fiber; Three, the big conical surface of bipyramid chuck has location convex tendon or reference column, makes optical fiber can not produce rotation in screwing process; Four, in the optical fiber cable hole of bipyramid chuck back stop slot is arranged, realize the optical fiber connective stability.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1. housing, 2. docking facilities, 3. locking device, 4. fiber alignment air discharge duct, 5. docking facilities body, 6. inferior nano-precision level optic fibre hole, 7. pair guiding cone angle, 8. locking tooling hole, 9. back stop slot, 10. bipyramid chuck, 11. lock chambers, 12. internal threads, 13. lock-screw, the 14. big conical surfaces, the 15. little conical surfaces, 16. the optical fiber cable hole, 17. external threads, 18. reference columns, 19. pilot hole, 20. detents, 21. location convex tendons.
Embodiment
As shown in Figure 1, this cold connection extender mainly is made up of housing 1, docking facilities 2, locking device 3, docking facilities 2 is installed at housing 1 middle part, guarantee that two optic fibre ends realize zero-clearance butt joint in docking facilities 2, establish the lock chambers 11 of band internal thread 12 at housing 1 two ends, locking device 3 is tightened in the lock chambers 11; Described locking device 3 is mainly by lock-screw 13, bipyramid chuck 10 is formed, there is the big or small conical surface 14 both sides of bipyramid chuck 10,15, optical fiber cable hole 16 is arranged in the bipyramid chuck 10, the external thread 17 of lock-screw 13 cooperates with the internal thread 12 of the lock chambers 11 of housing 1, one end of lock-screw 13 is established the conelet face 15 that cooperates with bipyramid chuck 10, the inner face of housing lock chambers is established the big conical surface 14 that cooperates with bipyramid chuck 10, it is characterized in that: described docking facilities 2 is mainly docking facilities body 5, establish inferior nano-precision level optic fibre hole 6 on docking facilities body 5, there is fiber alignment air discharge duct 4 at the middle part of docking facilities body 5.
In the single core optical fiber cold connection follower of the present utility model, establish two guiding cone angles 7 at the two ends of the inferior nano-precision level optic fibre hole 6 of docking facilities 2.
In the single core optical fiber cold connection follower of the present utility model, establish one group of back stop slot 9 on the optical fiber cable hole 16 of the bipyramid chuck 10 of locking device 3.
In the single core optical fiber cold connection follower of the present utility model, establish reference column 18 on the bipyramid chuck 10, the pilot hole 19 that cooperates with reference column 18 is arranged on the inner face of lock chambers 11; Or on bipyramid chuck 10, set position convex tendon 21, the detent 20 that cooperates with location convex tendon 21 is arranged on the inner face of lock chambers 11.
In the single core optical fiber cold connection follower of the present utility model, establish the locking tooling hole 8 that cooperates with the locking instrument on the outer face of lock-screw 13.
In engineering construction, insert the optical fiber that strips by certain specification through the bipyramid chuck, two optic fibre ends place in the inferior nano-precision level optic fibre hole of docking facilities, and realization optical fiber is accurately located; The precession lock-screw, the bipyramid chuck has applying power all the time by optical fiber in connection procedure on the one hand, and the bipyramid chuck is realized the stability of microfeed control by optical fiber on the other hand, thereby guarantees the tight connection of optical fiber surface.
Cold connection extender of the present utility model has following technical parameter: insert loss and be lower than 0.1dB; 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 (4)
1. single core optical fiber cold connection follower, this cold connection extender mainly is made up of housing (1), docking facilities (2), locking device (3), at housing (1) middle part docking facilities (2) is installed, establish the lock chambers (11) of band internal thread (12) at housing (1) two ends, locking device (3) is installed in the lock chambers (11); Described locking device (3) is mainly by lock-screw (13), bipyramid chuck (10) is formed, there is the big or small conical surface (14 bipyramid chuck (10) both sides, 15), optical fiber cable hole (16) is arranged in the bipyramid chuck (10), the external thread (17) of lock-screw (13) cooperates with the internal thread (12) of the lock chambers (11) of housing (1), one end of lock-screw (13) is established the little conical surface (15) that cooperates with bipyramid chuck (10), the inner face of housing lock chambers is established the big conical surface (14) that cooperates with bipyramid chuck (10), it is characterized in that: described docking facilities (2) is mainly docking facilities body (5), establishes inferior nano-precision level optic fibre hole (6) on docking facilities body (5).
2. single core optical fiber cold connection follower according to claim 1 is characterized in that: there is fiber alignment air discharge duct (4) at the middle part of docking facilities body (5).
3. single core optical fiber cold connection follower according to claim 1 is characterized in that: establish two guiding cone angles (7) at the two ends of the inferior nano-precision level optical fiber hole slot (6) of docking facilities body (5).
4. single core optical fiber cold connection follower according to claim 1 is characterized in that: establish one group of back stop slot (9) on the inner optical fiber cable hole (16) of bipyramid chuck (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620127037 CN200962152Y (en) | 2006-10-21 | 2006-10-21 | Single-core optical fiber cold connection relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620127037 CN200962152Y (en) | 2006-10-21 | 2006-10-21 | Single-core optical fiber cold connection relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200962152Y true CN200962152Y (en) | 2007-10-17 |
Family
ID=38798668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620127037 Expired - Fee Related CN200962152Y (en) | 2006-10-21 | 2006-10-21 | Single-core optical fiber cold connection relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200962152Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009012625A1 (en) * | 2007-07-23 | 2009-01-29 | Jiangsu Yute Optical Technologies Co., Ltd | An fc-sc, fc-sc-apc optical fiber shortcut connector |
| CN102141652A (en) * | 2010-02-02 | 2011-08-03 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber coupling connector and assembly method thereof |
| CN104503032A (en) * | 2014-12-09 | 2015-04-08 | 蚌埠吉新通讯机械有限公司 | Single core aligner for temporary butt-jointing of single optical fiber |
-
2006
- 2006-10-21 CN CN 200620127037 patent/CN200962152Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009012625A1 (en) * | 2007-07-23 | 2009-01-29 | Jiangsu Yute Optical Technologies Co., Ltd | An fc-sc, fc-sc-apc optical fiber shortcut connector |
| CN102141652A (en) * | 2010-02-02 | 2011-08-03 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber coupling connector and assembly method thereof |
| CN104503032A (en) * | 2014-12-09 | 2015-04-08 | 蚌埠吉新通讯机械有限公司 | Single core aligner for temporary butt-jointing of single optical fiber |
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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: 20071017 Termination date: 20091123 |