CN200941123Y - Mono-core inserting optical fiber cold connection terminal - Google Patents
Mono-core inserting optical fiber cold connection terminal Download PDFInfo
- Publication number
- CN200941123Y CN200941123Y CN 200620075674 CN200620075674U CN200941123Y CN 200941123 Y CN200941123 Y CN 200941123Y CN 200620075674 CN200620075674 CN 200620075674 CN 200620075674 U CN200620075674 U CN 200620075674U CN 200941123 Y CN200941123 Y CN 200941123Y
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- China
- Prior art keywords
- optical fiber
- chuck
- bicone
- screw
- cold connection
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a single core insert fiber optic cold rolling connector. A cavity screw (7) is connected with a cavity nut (8) to form an installing cavity (24) within which a cold rolling connecting subpart is installed, with each element integrated as the fiber optic cold rolling connector. An inserting needle (1) are connected with a locator (3) by a connector (2) to form a connecting device while a locking screw (4) is connected with a locking nut (6) to form a locking cavity (12) within which a bi-conical chuck (5) is installed so that a locking device is formed. The connecting device is arranged on one end of the cavity screw (7) by the connector (2) while the other end of the locator (3) is connected with one end of the locking screw (4). In other words, the cold rolling connecting subpart made up of the connecting device and the locking device is installed in the installing cavity (24) to constitute the fiber optic cold rolling connector. The utility model realizes micro-feed through precise positioning and cone clamp, which can reduce cost and enhance the successful probability in connection.
Description
Affiliated technical field
The utility model relates to a kind of coupling arrangement, is specifically related to single-core inserted optical fiber cold connection extender, be a kind of simple, convenient, need not the coupling arrangement that any isolated plant just can be realized the reliable butt joint of 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, its principle is: column type is split the primary and secondary plastic body, put into wire chamber by parent arc groove and daughter planar combination, form the optical fiber through hole therebetween, groove is arranged at the wire chamber wall, parent back raised ribs is passed groove and is higher than metal shell, and metal shell has notched copper spring cover to be strutted by steel wire; When engineering construction, earlier optical fiber stripping is cut, and push through hole, extract steel wire again copper spring cover is tightened up, by the parent backing strip power is passed into primary and secondary body, optical fiber is fixed in the circular groove, thereby achieves a butt joint; This scheme does not provide axial thrust to optical fiber in the cold butt joint of optical fiber, fiber axis is to not realizing that reliable constant little feeding makes optical fiber connect into power and is restricted; When fibre core is locked, because the taking-up of support spring steel wire, as dock when bad, can not reuse, cause the wasting of resources; In addition, because this structure is high to the injection moulding accuracy requirement of mother and sons' body, package unit manufacturing cost height, the single-piece price is more than 90 yuan of Renminbi; Because the fiber cut surface can not always reach request for utilization, need repeatedly uniting and adjustment and butt joint again when engineering construction, cause workmen's work load to strengthen, whole cost improves.
Summary of the invention
The purpose of this utility model is: a kind of single-core inserted optical fiber cold connection extender is provided, axial micro-auto-feed when it can realize the cold connection of optical fiber, radially reliable accurate microgap circular hole location and fan type list groove cone clamp, back of the body formula contact pin compact connects, simplify the numerous and diverse degree of optical fiber construction work, 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 pair of nut connection chamber body nut, and the whole formation of cold connection extender body optical fiber cold connection extender is installed in installation cavity; Described cold connection extender body mainly is made up of coupling arrangement and locking device, wherein, coupling arrangement is made up of contact pin, connector, positioning body, contact pin connects positioning body by connector and forms coupling arrangement, wherein, locking device is made up of lock-screw, set nut, bicone chuck, and lock-screw connects set nut by pair of nut and forms lock chambers, the bicone chuck is installed in lock chambers is formed locking device; Wherein, establish optical-fibre precise microgap circular hole interface channel on the described positioning body, the two ends of interface channel are two guiding cone angles, and ventilating groove is opened at the positioning body middle part; Wherein, described bicone chuck both sides are the big or small conical surface, open fan type list groove on the big conical surface, the big conical surface end of the middle front part of bicone chuck is made up of halved body, the plane contact place of halfbody forms naked fibre and clamps down on the district, the postmedian conelet face end of bicone chuck has the optical fiber cable hole, and optical fiber cable has back stop slot on the hole; Wherein, described lock-screw has the big conical surface chamber with the big cone match of bicone chuck, and the conelet face chamber with the little cone match of bicone chuck is arranged on the described set nut.
In the single-core inserted optical fiber cold connection extender of the present utility model, set the position convex tendon on the big conical surface of bicone chuck, the detent that cooperates with the location convex tendon is arranged on the wall of lock-screw chamber.
In the single-core inserted optical fiber cold connection extender of the present utility model, the outside diameter direction of set nut is provided with the locking tooling hole that cooperates with the locking instrument.
The connection chamber body nut forms installation cavity on the cavity screw, contact pin connects positioning body by connector and forms coupling arrangement, coupling arrangement is installed in an end of cavity screw through connector and spring, the other end of positioning body connects lock-screw, the bicone chuck is installed in by lock-screw and set nut and forms locking device in the lock chambers, and promptly the cold connection extender body of being made up of coupling arrangement and locking device is installed in that integral body constitutes optical fiber cold connection extender in the installation cavity.
Initial fiber silk gum is connected in the contact pin, pass the microgap optical fiber connecting passage that contact pin enters positioning body, in engineering construction, take off the cavity nut, unclamp set nut, the optical fiber that strips by certain specification places the optical fiber cable hole of bicone chuck with the accurate cutting optical fibre end face of specific purpose tool, the precession set nut, optical fiber inserts the optical fiber connecting passage of positioning body, thereby the fan type list groove of bicone chuck is stressed to be dwindled and forms naked fibre behind the closed halved body and clamp down on fixing naked fibre in district and optical fiber crust, the bicone chuck has applying power all the time by optical fiber in connection procedure on the one hand, the bicone chuck is realized microfeed control by optical fiber on the other hand, thereby guarantees the tight connection of optical fiber surface.
The utlity model has following advantage: one, the fiber orientation body forms optical fiber high precision interface channel; Two, the big conical surface end of the middle front part of bicone chuck is made up of halved body, and halfbody plane contact place forms naked fibre and clamps down on the district, realizes microfeed control, and naked fine clamper reaches fiber axis and fix and fit to precision, and is convenient, simple, reliable; Three, the cold connection of this optical fiber clamps naked fibre and epidermis respectively, realizes repeatably highly reliable connection, and is totally cheap for manufacturing cost, is fit to promote the use of in enormous quantities.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is Fig. 1 positioning body synoptic diagram.
Fig. 3 is Fig. 1 bicone chuck synoptic diagram.
Fig. 4 is the big conical surface end cut-open view of Fig. 3.
Fig. 5 is Fig. 1 locking device synoptic diagram.
Fig. 6 is Fig. 1 installation cavity synoptic diagram.
Among the figure: 1. contact pin, 2. connector, 3. positioning body, 4. lock-screw, 5. bicone chuck, 6. set nut, 7. cavity screw, 8. cavity nut, 9. pair guiding cone angle, 10. interface channel, 11. ventilating grooves, 12. lock chambers, 13. big conical surface chamber, 14. conelet face chambeies, 15. detents, 16. the set nut pair, 17. locking tooling holes, 18. fan type list grooves, 19. the location convex tendon, 20. optical fiber cable holes, the 21. big conical surfaces, 22. the little conical surface, 23. back stop slots, 24. installation cavitys, 25. installation pair of nut, 26. spring, 27. halfbodies, 28. naked fibres are clamped down on the district.
Embodiment
Shown in Fig. 1,6, cavity screw 7 forms installation cavity 24 by pair of nut 25 connection chamber body nuts 8 are installed, and cold connection extender body integral body is installed in installation cavity 24 constitutes optical fiber cold connection extender; Described cold connection extender body mainly is made up of coupling arrangement and locking device, wherein, coupling arrangement is made up of contact pin 1, connector 2, positioning body 3, contact pin 1 connects positioning body 3 by connector 2 and forms coupling arrangement, wherein, locking device is made up of lock-screw 4, set nut 6, bicone chuck 5, and lock-screw 4 connects set nut 6 by set nut secondary 16 and forms lock chambers 12, bicone chuck 5 is installed in lock chambers 12 is formed locking device; Wherein, as shown in Figure 2, establish optical-fibre precise microgap circular hole interface channel 10 on the described positioning body 3, two guiding cone angles 9 are established at the two ends of interface channel 10, and ventilating groove 11 is opened at positioning body 3 middle parts; Wherein, shown in Fig. 3,4, described bicone chuck 5 both sides are the big or small conical surface 21,22, open fan type list groove 18 on the big conical surface 21, and optical fiber cable hole 20 is arranged in the bicone chuck 5; Wherein, as shown in Figure 5, described lock-screw 4 has the big conical surface chamber 13 that cooperates with the big conical surface 21 of bicone chuck 5, and the conelet face chamber 14 that cooperates with the conelet face 22 of bicone chuck 5 is arranged on the described set nut 6.
In the single-core inserted optical fiber cold connection extender of the present utility model, set position convex tendon 19 on the big conical surface 21 of bicone chuck 5, the detent 15 that cooperates with location convex tendon 19 is arranged on the inner face of lock-screw 4.
In the single-core inserted optical fiber cold connection extender of the present utility model, the outer face of set nut 6 is provided with the locking tooling hole 17 that cooperates with the locking instrument.
In the single-core inserted optical fiber cold connection extender of the present utility model, the big conical surface end of the middle front part of bicone chuck is made up of halved body 27, the plane contact place of halfbody forms naked fibre and clamps down on district 28, the conelet face end of the postmedian of bicone chuck is established optical fiber cable hole 20, and back stop slot 23 is arranged on the optical fiber cable hole 20.
Installation cavity body nut 8 forms installation cavity 24 contact pins 1 by connector 2 connection positioning bodies 3 composition coupling arrangements on cavity screw 7, coupling arrangement is installed in an end of cavity screw 7 through connector 2 and spring 26, the other end of positioning body 3 connects lock-screw 4, bicone chuck 5 is installed in by lock-screw 4 and set nut 6 and forms locking devices in the lock chambers 12, and promptly the cold connection extender body of being made up of coupling arrangement and locking device is installed in installation cavity 24 interior integral body and constitutes optical fiber cold connection extender.
Initial fiber silk gum is connected in the contact pin 1, pass the microgap optical fiber connecting passage 10 that contact pin 1 enters positioning body 3, in engineering construction, take off cavity nut 8, unclamp set nut 6, the optical fiber that strips by certain specification places the optical fiber cable hole 20 of bicone chuck with the accurate cutting optical fibre end face of specific purpose tool, precession set nut 6, optical fiber inserts the optical fiber microgap interface channel 10 of positioning body 3, thereby the fan type list groove of the bicone chuck 5 18 stressed naked fibres of closed halved body 27 back formation that dwindle are clamped down on district's 28 fixing naked fibres, precession cavity nut 8 is fixed naked fibre and crusts again, bicone chuck 5 allows optical fiber that applying power is arranged in connection procedure all the time on the one hand, bicone chuck 5 allows optical fiber realize microfeed control on the other hand, thereby guarantees the tight connection of optical fiber surface.
Optical fiber 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 (7)
1. single-core inserted optical fiber cold connection extender is characterized in that: cavity screw (7) forms installation cavity (24) by pair of nut (25) connection chamber body nut (8) is installed, and the whole formation of cold connection extender body optical fiber cold connection extender is installed installation cavity (24) in; Described cold connection extender body mainly is made up of coupling arrangement and locking device, wherein, coupling arrangement is made up of contact pin (1), connector (2), positioning body (3), contact pin (1) connects positioning body (3) by connector (2) and forms coupling arrangement, wherein, locking device is made up of lock-screw (4), set nut (6), bicone chuck (5), lock-screw (4) connects set nut (6) by set nut pair (16) and forms lock chambers (12), bicone chuck (5) is installed in lock chambers (12) is formed locking device; Wherein, establish optical-fibre precise microgap circular hole interface channel (10) on the described positioning body (3); Wherein, described bicone chuck (5) both sides are the big or small conical surface (21,22), open fan type list groove (18) on the big conical surface (21), and optical fiber cable hole (20) is arranged in the bicone chuck (5); Wherein, described lock-screw (4) has the big conical surface chamber (13) that cooperates with the big conical surface (21) of bicone chuck (5), and the conelet face chamber (14) that cooperates with the little conical surface (22) of bicone chuck (5) is arranged on the described set nut (6); Coupling arrangement is installed in an end of cavity screw (7) through connector (2), the other end of positioning body (3) connects lock-screw (4), bicone chuck (5) is installed in by lock-screw (4) and set nut (6) and forms locking device in the lock chambers (12), and promptly the cold connection extender body of being made up of coupling arrangement and locking device is installed in whole formation optical fiber cold connection extender in the installation cavity (24).
2. single-core inserted optical fiber cold connection extender according to claim 1 is characterized in that: two guiding cone angles (9) are established at the two ends of the interface channel (10) of positioning body (3), and ventilating groove (11) is opened at positioning body (3) middle part.
3. single-core inserted optical fiber cold connection extender according to claim 1, it is characterized in that: the big conical surface (21) of bicone chuck (5) is gone up and is set position convex tendon (19), and the detent (15) that cooperates with location convex tendon (19) is arranged on the inner face of lock-screw (4).
4. single-core inserted optical fiber cold connection extender according to claim 1 is characterized in that: the outer face of set nut (6) is provided with the locking tooling hole (17) that cooperates with the locking instrument.
5. single-core inserted optical fiber cold connection extender according to claim 1, it is characterized in that: the big conical surface end of the middle front part of bicone chuck is made up of halved body (27), the plane contact place of halfbody forms naked fibre and clamps down on district (28), and the conelet face end of the postmedian of bicone chuck is established optical fiber cable hole (20).
6. single-core inserted optical fiber cold connection extender according to claim 5 is characterized in that: back stop slot (23) is arranged on optical fiber cable hole (20).
7. single-core inserted optical fiber cold connection extender according to claim 1 is characterized in that: establish spring (26) in the connector (2) and the contact position of cavity screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620075674 CN200941123Y (en) | 2006-08-22 | 2006-08-22 | Mono-core inserting optical fiber cold connection terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620075674 CN200941123Y (en) | 2006-08-22 | 2006-08-22 | Mono-core inserting optical fiber cold connection terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200941123Y true CN200941123Y (en) | 2007-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620075674 Expired - Fee Related CN200941123Y (en) | 2006-08-22 | 2006-08-22 | Mono-core inserting optical fiber cold connection terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200941123Y (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 |
| CN110045469A (en) * | 2019-04-02 | 2019-07-23 | 王常亮 | A kind of optical fiber distribution box optical fiber link attachment device |
-
2006
- 2006-08-22 CN CN 200620075674 patent/CN200941123Y/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN110045469A (en) * | 2019-04-02 | 2019-07-23 | 王常亮 | A kind of optical fiber distribution box optical fiber link attachment device |
| CN110045469B (en) * | 2019-04-02 | 2020-08-18 | 金信诺光纤光缆（赣州）有限公司 | Optical fiber connecting device for optical fiber distribution box |
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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: 20070829 Termination date: 20090922 |