CN101852900B - Collimation-type optical fiber connector - Google Patents
Collimation-type optical fiber connector Download PDFInfo
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- CN101852900B CN101852900B CN2010102155649A CN201010215564A CN101852900B CN 101852900 B CN101852900 B CN 101852900B CN 2010102155649 A CN2010102155649 A CN 2010102155649A CN 201010215564 A CN201010215564 A CN 201010215564A CN 101852900 B CN101852900 B CN 101852900B
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Abstract
The invention relates to a collimation-type optical fiber connector, which comprises a collimating lens, an optical fiber, a lens sleeve, a main sleeve, a limiting nut and a clamping ring, wherein the collimating lens and the optical fiber are packaged in the lens sleeve by a gluing method; the lens sleeve is screwed with the threads of the limiting nut to be fixed through a central inner hole of the main sleeve; and the clamping ring is fixed to an outer step of the main sleeve through a retainer ring. By using a collimation component consisting of the collimating lens, the optical fiber and the lens sleeve, the non-contact transmission in an optical path is realized and the coupling efficiency for an optical signal is improved; and the limiting structure formed by an axial rib on the outer surface of the lens sleeve and a notch on the inner side of the main sleeve improves the accuracy of the collimation component; therefore, the connector has the advantages of compact structure, convenient assembly and convenient mass production.
Description
Technical field
The present invention relates to a kind of collimation-type optical fiber connector, can be used for light path connecting link in the optical communication system, belong to optical communication field.
Background technology
Fibre Optical Communication Technology have the broadband, at a high speed, characteristics such as high capacity, strong security, in various communication systems, be widely used.The joints of optical fibre are as the Primary Component that in the optical communication system light signal is inserted or draws, and the difference according to the optical communication system interface has various ways, as FC, ST, SC model etc.
The present joints of optical fibre all are that first lock pin with wire jumper grinds to reach the light transmission requirement in order to guarantee precision, to reduce and insert loss in manufacturing process; And directly realize end-to-end hard connection in use by joint flange.This will make wire jumper ground flat to lock pin in frequent plug process and vibration environment damage, and increase the loss of the joints of optical fibre, even cause the interruption of light signal.
Summary of the invention
The objective of the invention is to provides a kind of collimation-type optical fiber connector of realizing the efficiency light transmission at the defective that prior art exists.The optical fiber outgoing meeting of laser from traditional optical patchcord connector ceramic insertion core dispersed rapidly and can't be formed a branch of collimated light path, just can cause and optical communication system interface probe between loss.In addition, the optical patchcord connector also exists the hard friction connected mode to cause effect of attrition transmission signals quality to its insertion core end face when directly docking by flange.
For achieving the above object, the present invention adopts following technical proposals:
A kind of collimation-type optical fiber connector, comprise a collimation lens, an optical fiber, a lens sleeve, a main sleeve pipe, a stop nut and a snap ring, it is characterized in that described collimation lens and optical fiber are encapsulated in described lens sleeve inside by the gummed mode; Described lens sleeve spins fixing by the central bore of described main sleeve pipe by the stop nut screw thread; Described snap ring is fixed by the outer step of a back-up ring and described main sleeve pipe.
The said lens sleeve outer surface has the axial raised line that 2～4 circumferencial directions are evenly arranged.
Inner inside of above-mentioned main sleeve pipe is the hollow circular stepped hole, and there are 2～4 and described lens sleeve outside surface raised line corresponding groove in main sleeve pipe inboard and join with this raised line cunning, and main sleeve pipe outer inner has screw thread and described stop nut to revolve to join.
Join for hollow via-hole and described fiber slide above-mentioned stop nut inside.
The one end inboard of above-mentioned snap ring is the hollow circular stepped hole, and circle has internal thread and FC type optical patchcord flange screw thread to revolve to join or have grab and ST type optical patchcord flange draw-in groove to revolve and joins in the top.
Principle of work of the present invention: for the hard contact wear of insertion core end face that reduces the joints of optical fibre influence to optical signal transmission, adopt the optical fiber collimator working forms, by collimation lens the operating distance of optic fibre light path actual needs is adjusted earlier, realized the noncontact butt joint of collimation-type optical fiber connector.The present invention utilizes collimation lens, lens sleeve, optical fiber, main sleeve pipe, snap ring, by stop nut and back-up ring its spacing separately assembling is fixed, and constitutes a kind of collimation-type optical fiber connector.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
(1) collimator assembly that adopts collimation lens, optical fiber and lens sleeve to form is realized the non-contact transmission of light path, has improved the coupling efficiency of light signal;
(2) the groove position limiting structure of the axial raised line of lens sleeve outside surface and main sleeve pipe inboard has improved the collimator assembly precision;
(3) compact conformation is assembled simple and directly, is convenient to produce in enormous quantities.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
Preferred embodiment accompanying drawings involved in the present invention is as follows:
Embodiment one: referring to Fig. 1, a kind of collimation-type optical fiber connector, comprise a collimation lens 1, optical fiber 7, lens sleeve 2, main sleeve pipe 3, a stop nut 4 and a snap ring 5, described collimation lens 1 and optical fiber 7 are encapsulated in described lens sleeve 2 inside by the gummed mode; Described lens sleeve 2 spins fixing by the central bore of described main sleeve pipe 3 by stop nut 4 screw threads; Described snap ring 5 is fixed by a back-up ring 6 and the outer step of described main sleeve pipe 3.
Embodiment two: present embodiment and embodiment one are basic identical, and special feature is as follows: described lens sleeve 2 outside surfaces have the axial raised line 21 that 2～4 circumferencial directions are evenly arranged.
Inner inside of described main sleeve pipe 3 is the hollow circular stepped hole, and there are 2～4 and described lens sleeve 2 outside surface raised line corresponding groove in main sleeve pipe 3 inboards and join with this raised line cunning, and main sleeve pipe 3 outer inner have screw thread.
Described stop nut 4 inside are hollow via-hole and 7 sliding joining of optical fiber.
The one end inboard of described snap ring 5 is the hollow circular stepped hole, and circle has internal thread and FC type optical patchcord flange screw thread to revolve to join or have grab and ST type optical patchcord flange draw-in groove to revolve and joins in the top.
When work, collimation lens 1 and optical fiber 7 are encapsulated in lens sleeve 2 inner formation collimating components by the gummed mode, realize that the noncontact of light path connects; Lens sleeve 2 outsides have the pipe inboard groove of axial raised line and main sleeve pipe 3 to peg graft, and reduce the beam path alignment error.
Claims (5)
1. collimation-type optical fiber connector, comprise a collimation lens (1), an optical fiber (7), a lens sleeve (2), a main sleeve pipe (3), a stop nut (4) and a snap ring (5), it is characterized in that described collimation lens (1) and optical fiber (7) are encapsulated in described lens sleeve (2) inside by the gummed mode; Described lens sleeve (2) spins fixing by the central bore of described main sleeve pipe (3) by described stop nut (4) screw thread; Described snap ring (5) is fixed by a back-up ring (6) and the outer step of described main sleeve pipe (3).
2. collimation-type optical fiber connector according to claim 1 is characterized in that described lens sleeve (2) outside surface has the axial raised line (21) that 2～4 circumferencial directions are evenly arranged.
3. collimation-type optical fiber connector according to claim 2, it is characterized in that with collimation lens (1) one side be the upper end, side with optical fiber (7) is the lower end, the inside, upper end of described main sleeve pipe (3) is the hollow circular stepped hole, and main sleeve pipe (3) inboard have 2～4 with described lens sleeve (2) outside surface raised line corresponding groove and joining with this raised line cunning, main sleeve pipe (3) lower end inside surface has screw thread and described stop nut (4) to revolve to join.
4. collimation-type optical fiber connector according to claim 1 is characterized in that described stop nut (4) inside is that hollow via-hole and described optical fiber (7) are sliding and joins.
5. collimation-type optical fiber connector according to claim 1, it is characterized in that with collimation lens (1) one side be the upper end, side with optical fiber (7) is the lower end, the inboard, lower end of described snap ring (5) is the hollow circular stepped hole, and circle has internal thread and FC type optical patchcord flange screw thread to revolve to join or have grab and ST type optical patchcord flange draw-in groove to revolve and joins in the snap ring top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102155649A CN101852900B (en) | 2010-06-29 | 2010-06-29 | Collimation-type optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102155649A CN101852900B (en) | 2010-06-29 | 2010-06-29 | Collimation-type optical fiber connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101852900A CN101852900A (en) | 2010-10-06 |
| CN101852900B true CN101852900B (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102155649A Active CN101852900B (en) | 2010-06-29 | 2010-06-29 | Collimation-type optical fiber connector |
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| CN (1) | CN101852900B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520490A (en) * | 2012-01-16 | 2012-06-27 | 天津工业大学 | Large-mode-area single-mode fiber connector and manufacture method |
| JP6020001B2 (en) * | 2012-09-27 | 2016-11-02 | オムロン株式会社 | Fiber optic head |
| CN103901545B (en) * | 2014-03-21 | 2016-08-17 | 上海大学 | A kind of lens are from coupled mode fiber adapter |
| CN103901546B (en) * | 2014-03-31 | 2016-03-09 | 中国科学院上海光学精密机械研究所 | Optical fiber collimator |
| JP6962195B2 (en) * | 2015-09-30 | 2021-11-05 | ソニーグループ株式会社 | Optical communication connectors, optical communication cables and electronic devices |
| CN109932781A (en) * | 2017-12-19 | 2019-06-25 | 中航光电科技股份有限公司 | A kind of optical fiber connector and its eccentric contact is expanded in parallel |
| CN108731841B (en) * | 2018-08-08 | 2024-05-03 | 西安工业大学 | Frequency modulation continuous wave laser interference optical fiber temperature sensor |
| CN109595984B (en) * | 2018-12-27 | 2024-07-09 | 中国人民解放军陆军工程大学 | Aiming device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489354Y (en) * | 2001-07-10 | 2002-05-01 | 鸿富锦精密工业（深圳）有限公司 | Optoisolator |
| TW506537U (en) * | 2001-11-21 | 2002-10-11 | Hon Hai Prec Ind Co Ltd | Optical fiber collimator |
| CN2522880Y (en) * | 2001-11-23 | 2002-11-27 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber collimating apparatus |
| CN1232844C (en) * | 2002-09-06 | 2005-12-21 | 一品光学工业股份有限公司 | Method for manufacturing optical fiber collimator |
| CN100585439C (en) * | 2008-08-28 | 2010-01-27 | 中航光电科技股份有限公司 | Optical fibre collimation component and switching type single-core optical fiber rotating connector |
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2010
- 2010-06-29 CN CN2010102155649A patent/CN101852900B/en active Active
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| Publication number | Publication date |
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| CN101852900A (en) | 2010-10-06 |
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