CN201993492U - Optical fiber quick connector - Google Patents
Optical fiber quick connector Download PDFInfo
- Publication number
- CN201993492U CN201993492U CN2011200077310U CN201120007731U CN201993492U CN 201993492 U CN201993492 U CN 201993492U CN 2011200077310 U CN2011200077310 U CN 2011200077310U CN 201120007731 U CN201120007731 U CN 201120007731U CN 201993492 U CN201993492 U CN 201993492U
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- optical fiber
- retaining ring
- type groove
- acting coupling
- coupling according
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Abstract
The utility model relates to the technical field of an optical fiber connecting device, in particular to an optical fiber quick connector, which comprises a ceramic head. Optical fibers are embedded inside the ceramic head, the ceramic head is fixed on an integral tail stock provided with a V-shaped groove, one end of each optical fiber is arranged inside the V-shaped groove provided with a cover board, and matching fluid is arranged inside the V-shaped groove. A locking ring for locking the cover board is sleeved on the integral tail stock, a recessed section is arranged on the outer side of the front end of the integral tail stock, a front protruding block matched rotationally with the recessed section is arranged at the front end of the locking ring, and an oval inner chamber is arranged in the locking ring. The V-shaped groove can guarantee geometry positions and concentricity of two butting optical fibers, and the matching fluid arranged inside the V-shaped groove can guarantee reliable transmitting of optical signals and reduce an insertion loss and a return loss. The oval inner chamber is arranged in the locking ring, thereby realizing two states of locking and unlocking, being capable of switching freely and guaranteeing minimum optical fiber connecting loss and reliable safe mechanical performance.
Description
Technical field
The utility model relates to the optical fiber splicing device technical field, refers in particular to a kind of optical fiber rapid-acting coupling.
Background technology
At present, in the communications field, the application of optical fiber is very extensive, when handling the butt joint situation of optical fiber, needs Fast Installation, and for example the shunt of optical fiber continues: cross-connecting box, floor light is case, fiber distribution box, user's integrated information case, information panel along separate routes.The fibre junction operation relates to the two large divisions: (1), fibre junction comprise welding and cold joint; Welding is a traditional approach, and equipment is complicated and expensive, complex operation; The representative products of cold joint is the optical fiber cold connector, but the direct Cheng Duan of on the market optical fiber cold connector; (2), Cheng Duan; Tradition becomes the end mode one section wire jumper that need continue, and cost is higher, and the cost that promptly continues adds the cost of one section wire jumper, the fixedly inconvenience of splicing point; And optical fiber quick coupling structure on the market is simple, but optical fiber be difficult to be realized butt joint with one heart, is difficult to realize the location of optical fiber and fixing, simultaneously, inserts loss characteristic, return loss characteristic is undesirable.
Therefore, based on the defective of above-mentioned existing fiber joint, need improve existing fibre-optical splice.
The utility model content
The purpose of this utility model is to provide a kind of optical fiber rapid-acting coupling at the deficiencies in the prior art, this optical fiber rapid-acting coupling has solved existing fibre-optical splice and has been difficult to realize butt joint with one heart, is difficult to realize the location of optical fiber and fixing problem, has improved insertion loss, return loss characteristic simultaneously.
For achieving the above object, the utility model is achieved through the following technical solutions:
Optical fiber rapid-acting coupling, it comprises ceramic head, is embedded with optical fiber in the ceramic head, and ceramic head is fixed in integrated tailstock, integrated tailstock offers the V-type groove, one end of optical fiber is positioned at the V-type groove, and the V-type groove is furnished with cover plate, has matching fluid in the V-type groove, integrated tailstock is arranged with the retaining ring of locking cover plate, the front end outside of integrated tailstock has recessed section, and the retaining ring front end has the preceding projection that cooperates with recessed section rotation, has elliptical-intracavity in the retaining ring.
Described integrated tailstock rear end has thread segment, the thread segment retaining sleeve that is threaded, and the retaining sleeve stage casing has screw thread, and the retaining sleeve rear end has the tooth of stinging, and the retaining sleeve stage casing is connected with the tail nut, stings tooth and is positioned at the tail nut.
Be arranged with the retaining ring on the described retaining ring, integrated tailstock front end has bulge loop, is folded with spring between bulge loop and the retaining ring.
Described integrated tailstock is with the SC inner core outward, forms groove on the bulge loop, and SC inner core inwall has the projection with the groove coupling.
Described SC inner core has stopper slot, and retaining ring outer wall has projection, and projection is arranged in the stopper slot.
The outer socket of described SC inner core is fixed with SC side's shell.
Described V-type groove side has scale.
The two ends of described cover plate have lug, have the pilot hole corresponding with lug on the integrated tailstock.
The beneficial effects of the utility model are: the V-type groove can guarantee the geometric position and the concentricity of two butt joint optical fiber; Matching fluid in the V-type groove and had similar specific refractivity by the field optical fibers fibre core of termination guarantees the reliable transmission of light signal, improves and inserts loss, return loss characteristic; Have elliptical-intracavity in the retaining ring, can realize locking and unblanking two states and energy freely be changed, thereby optical fiber is carried out accurate localization and fixing, guarantee minimum optical fiber junction loss and reliable, safe mechanical property.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a STRUCTURE DECOMPOSITION synoptic diagram of the present utility model;
Fig. 3 is a local enlarged diagram of the present utility model;
Fig. 4 is a V-type groove optical fiber coupling synoptic diagram of the present utility model;
Fig. 5 is a V-type groove unlocking condition synoptic diagram of the present utility model;
Fig. 6 is a V-type groove locking state synoptic diagram of the present utility model;
Element and Reference numeral:
Optical fiber 1, ceramic head 2,
SC inner core 3, stopper slot 4,
Spring 5, retaining ring 6,
Projection 7, SC side's shell 8,
Retaining ring 17, preceding projection 18,
Retaining sleeve 19, screw thread 20,
Sting tooth 21, tail nut 22,
User side optical fiber 23, elliptical-intracavity 24.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
See Fig. 1---Fig. 6, the rapid-acting coupling of the utility model optical fiber comprises: ceramic head 2, be embedded with optical fiber 1 in the ceramic head 2, ceramic head 2 is fixed in integrated tailstock 9, integrated tailstock 9 stage casings offer V-type groove 10, and integrated tailstock 9 front ends offer through hole, and ceramic head 2 passes this through hole location, and an end of optical fiber 1 is positioned at V-type groove 10, and described V-type groove 10 sides have scale 11; V-type groove 10 is furnished with cover plate 16, and when cover plate 16 covered, it was leg-of-mutton space that cover plate 16 forms the cross section with V-type groove 10, utilizes this triangle to determine the center of circle of optical fiber, kept the concentricity of two butt joint optical fiber and the accuracy of position;
For making cover plate 16 location, the two ends of described cover plate 16 have lug, have the pilot hole corresponding with lug on the integrated tailstock 9; Has matching fluid in the V-type groove 10; User side optical fiber 23 inserts V-type groove 10 scales 11 places, stores matching fluid in the V-type groove 10, realizes that optical fiber 1 docks with user side optical fiber 23; The composition of optical fiber is a silicon dioxide, light conductivity with height, during two fiber alignments, because there is the gap in fiber end face, Fresnel reflection causes fibre loss big, utilizes the matching fluid with the identical refractive index of optical fiber, optical fiber is immersed in the matching fluid, reduce Fresnel reflection, guarantee that light signal prolongs rectilinear propagation, increase the percent of pass of light signal, reduce loss;
Integrated tailstock 9 is arranged with the retaining ring 17 of locking cover plate 16, the front end outside of integrated tailstock 9 has recessed section 14 of certain-length, retaining ring 17 front ends have the preceding projection 18 that cooperates with recessed section 14 rotation, has elliptical-intracavity 24 in the retaining ring 17, when cooperating, form the space with integrated tailstock and cover plate.
As shown in Figure 5, the inner chamber body uneven thickness of retaining ring 17 has the elliptical-intracavity 24 of ovalize, state shown in the figure shows that cover plate 16 is in free suspended state, retaining ring 17 is not locked cover plate 16, and there is the gap in cover plate 16 with retaining ring 17, is convenient to optical fiber this moment and inserts V-type groove 10; Retaining ring 17 dextrorotations are turn 90 degrees to position shown in Figure 6, be locking state, from the pressure of retaining ring 17 cavitys that cover plate 16 and V-type groove 10 is locked.The utility model design advantage herein: high precision elliptical-intracavity 24 structures, under accurately controlling, realization lock and unblank two states and can freely change, thus optical fiber is carried out accurate localization and fixing, the optical fiber junction loss of assurance minimum and reliable, safe mechanical property.
Wherein, recessed section 14 length, recessed section 14 cooperation position with preceding projection 18 all need satisfy the matching relationship of aforementioned elliptical-intracavity 24 and cover plate 16.
Described integrated tailstock 9 rear ends have thread segment 15, and thread segment 15 retaining sleeve 19 that is threaded can be dismantled and install as required, guarantee once to assemble the assembling once more of can doing over again after the failure; Retaining sleeve 19 stage casings have screw thread 20, and retaining sleeve 19 rear ends have the tooth of stinging 21, and retaining sleeve 19 stage casings are connected with tail nut 22, sting tooth 21 and are positioned at tail nut 22; Sting the optical fiber oversheath of 21 pairs of clampings of tooth, the crust of skin cable has enough snap-in forces, when tail nut 22 rotates to extreme position, locking optical fiber or skin cable, realize fixation, the crust of stinging 21 pairs of optical fiber oversheaths of tooth, skin cable by retaining sleeve 19 carries out clamping, fixedly the optical fiber of plurality of specifications such as 3.0mm/2.0mm tail optical fiber, 3.0 * 2.0mm skin cable.
Be arranged with retaining ring 6 on the described retaining ring 17, integrated tailstock 9 front ends have bulge loop 12, be folded with spring 5 between bulge loop 12 and the retaining ring 6, spring 5 is between the front end bulge loop 12 and retaining ring 6 of integrated tailstock 9, make when SC inner core 3 is fixed, the main part that comprises ceramic head 2 still can slightly move, and guarantees that other ports such as quick coupler and adapter do not produce vacation when continuing and dock.
Be with SC inner core 3 outside the described integrated tailstock 9, form groove 13 on the bulge loop 12, SC inner core 3 inwalls have the projection with groove 13 couplings.
Described SC inner core 3 has stopper slot 4, and retaining ring 6 outer walls have projection 7, and projection 7 is arranged in the stopper slot 4, realizes the relative fixed of retaining ring 6 and SC inner core 3.
Described SC inner core 3 outer sockets are fixed with SC side's shell 8.
The utility model adopts following technology:
1, fiber end face grinding technique: fiber end face guarantees the strict demand of optical-fiber-connector end to geometric configuration through multiple tracks grinding technics such as factory's corase grind, fine grindings;
2, V-type groove fixed fiber technology: utilize geometrical principle, triangle is determined an incircle and its center of circle, and two butt joint optical fiber are placed the V-type groove, guarantees the geometric position and the concentricity of two butt joint optical fiber;
3, preset the matching fluid technology: the matching fluid in the V-type groove and had similar specific refractivity by the field optical fibers fibre core of termination, guarantee the reliable transmission of light signal, improve and insert loss, return loss characteristic;
4, high precision elliptical-intracavity contracted structure: elliptical-intracavity is under accurately controlling, realization lock and unblank two states and can freely change, thereby optical fiber is carried out accurate localization and fixing, guarantee minimum optical fiber junction loss and reliable, safe mechanical property.
The utility model can guarantee installation quality and installation effectiveness, high performance-price ratio, need not during installation to grind, need not injecting glue, need not consumptive material, have installation quality height, success ratio height, reliability height and characteristics such as quick are installed, optical fiber rapid-acting coupling easy simple to operate, in installation process,, an optical fiber rapid-acting coupling is installed only needs 1-2 minute time from the opening stripping, clean, cut, be registered to crimping of optical cable; Do not need power supply, heating furnace or heating lamp during installation, installation personnel sets up with retrieving tool all very flexible.
The utlity model has widespread popularity: no matter the Optical cross connects case, or floor light along separate routes case, fiber distribution box, user's integrated information case, information panel, the rapid-acting coupling of the utility model optical fiber can both be used.
In the application, optical fiber rapid-acting coupling is mainly used at the construction field (site) the termination butterfly optical cable of registering one's residence.In corridor, butterfly register one's residence optical cable with the field connector termination after, can directly be plugged in the corridor fiber distribution box; At user terminal, the butterfly optical cable of registering one's residence terminates in the 86 type optical fiber information panels with field connector, forms the optical fiber telecommunications outlet of user terminal.
The utility model is a standard SC type, satisfies YD/T 1272.3-2005 industry standard and " fiber active linker reliability requirement and test method " industry standard, and satisfies the requirement of GR-326-CORE international standard.
Certainly, the embodiment of the above, it is preferred embodiments of the present utility model, and unrestricted the utility model practical range, so all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.
Claims (8)
1. optical fiber rapid-acting coupling, it is characterized in that: it comprises ceramic head (2), be embedded with optical fiber (1) in the ceramic head (2), ceramic head (2) is fixed in integrated tailstock (9), integrated tailstock (9) offers V-type groove (10), one end of optical fiber (1) is positioned at V-type groove (10), V-type groove (10) is furnished with cover plate (16), the V-type groove has matching fluid in (10), integrated tailstock (9) is arranged with the retaining ring (17) of locking cover plate (16), the front end outside of integrated tailstock (9) has recessed section (14), and retaining ring (17) front end has the preceding projection (18) that cooperates with recessed section (14) rotation, has elliptical-intracavity (24) in the retaining ring (17).
2. optical fiber rapid-acting coupling according to claim 1, it is characterized in that: described integrated tailstock (9) rear end has thread segment (15), thread segment (15) retaining sleeve (19) that is threaded, retaining sleeve (19) stage casing has screw thread (20), retaining sleeve (19) rear end has the tooth of stinging (21), retaining sleeve (19) stage casing is connected with tail nut (22), stings tooth (21) and is positioned at tail nut (22).
3. optical fiber rapid-acting coupling according to claim 1 is characterized in that: be arranged with retaining ring (6) on the described retaining ring (17), integrated tailstock (9) front end has bulge loop (12), is folded with spring (5) between bulge loop (12) and the retaining ring (6).
4. optical fiber rapid-acting coupling according to claim 3 is characterized in that: described integrated tailstock (9) is outer to be with SC inner core (3), forms groove (13) on the bulge loop (12), and SC inner core (3) inwall has the projection with groove (13) coupling.
5. optical fiber rapid-acting coupling according to claim 4 is characterized in that: described SC inner core (3) has stopper slot (4), and retaining ring (6) outer wall has projection (7), and projection (7) is arranged in the stopper slot (4).
6. optical fiber rapid-acting coupling according to claim 5 is characterized in that: the outer socket of described SC inner core (3) is fixed with SC side's shell (8).
7. optical fiber rapid-acting coupling according to claim 1 is characterized in that: described V-type groove (10) side has scale (11).
8. optical fiber rapid-acting coupling according to claim 1 is characterized in that: the two ends of described cover plate (16) have lug, and integrated tailstock has the pilot hole corresponding with lug on (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200077310U CN201993492U (en) | 2011-01-11 | 2011-01-11 | Optical fiber quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200077310U CN201993492U (en) | 2011-01-11 | 2011-01-11 | Optical fiber quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993492U true CN201993492U (en) | 2011-09-28 |
Family
ID=44669978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200077310U Expired - Fee Related CN201993492U (en) | 2011-01-11 | 2011-01-11 | Optical fiber quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993492U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376512A (en) * | 2012-04-24 | 2013-10-30 | 苏州新海宜通信科技股份有限公司 | Butterfly-type optical cable jumping fiber and tail fiber connector |
| CN103543499A (en) * | 2012-07-11 | 2014-01-29 | 上海宽岱电讯科技发展有限公司 | Optical fiber connector |
| CN103984061A (en) * | 2014-05-27 | 2014-08-13 | 杭州雷特通信技术有限公司 | Inserting-pin-free optical fiber butt joint adapter and modules thereof |
| CN105116502A (en) * | 2015-09-08 | 2015-12-02 | 南京华脉科技股份有限公司 | Distributed fibre outgoing box enabling cable outgoing along distribution line |
| CN106646760A (en) * | 2016-11-14 | 2017-05-10 | 仕昌电子(深圳)有限公司 | Joint structure applied to general optical ferrule interface |
-
2011
- 2011-01-11 CN CN2011200077310U patent/CN201993492U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376512A (en) * | 2012-04-24 | 2013-10-30 | 苏州新海宜通信科技股份有限公司 | Butterfly-type optical cable jumping fiber and tail fiber connector |
| CN103543499A (en) * | 2012-07-11 | 2014-01-29 | 上海宽岱电讯科技发展有限公司 | Optical fiber connector |
| CN103984061A (en) * | 2014-05-27 | 2014-08-13 | 杭州雷特通信技术有限公司 | Inserting-pin-free optical fiber butt joint adapter and modules thereof |
| CN105116502A (en) * | 2015-09-08 | 2015-12-02 | 南京华脉科技股份有限公司 | Distributed fibre outgoing box enabling cable outgoing along distribution line |
| CN106646760A (en) * | 2016-11-14 | 2017-05-10 | 仕昌电子(深圳)有限公司 | Joint structure applied to general optical ferrule interface |
| CN106646760B (en) * | 2016-11-14 | 2019-02-01 | 仕昌电子(深圳)有限公司 | A kind of joint structure applied to universal optical fibre lock pin interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20150111 |
|
| EXPY | Termination of patent right or utility model |