CN113391406A - Miniature optical fiber connector on board - Google Patents
Miniature optical fiber connector on board Download PDFInfo
- Publication number
- CN113391406A CN113391406A CN202110741405.0A CN202110741405A CN113391406A CN 113391406 A CN113391406 A CN 113391406A CN 202110741405 A CN202110741405 A CN 202110741405A CN 113391406 A CN113391406 A CN 113391406A
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- CN
- China
- Prior art keywords
- adapter
- optical fiber
- flange
- board
- locking
- Prior art date
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3834—Means for centering or aligning the light guide within the ferrule
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses a miniature optical fiber connector on a board, which comprises an adapter with a cavity inside; an optical fiber, a clamp, a flange and a contact pin are arranged on one side of the adapter, the optical fiber, the flange and the contact pin are fixedly connected into a whole, a cavity is accommodated in the clamp, a first locking structure is arranged outside the clamp, and locking and fixing between the clamp and the adapter are realized by pushing the flange; the other side of the adapter is also provided with an optical fiber, a flange and a contact pin which are fixedly connected into a whole, and is also provided with an elastic resetting piece and a propelling piece, the elastic resetting piece is sleeved outside the optical fiber between the propelling piece and the flange, a second locking structure is arranged outside the propelling piece, and the flange is pushed to realize locking and fixing between the propelling piece and the adapter; the flange main part is polygonal structure, and the inside polygon cavity portion that has with flange main part looks adaptation of adapter. The connector is small and compact in structure, can be butted at a fixed angle, cannot generate energy loss due to angle deviation caused by rotation, and guarantees the using effect.
Description
Technical Field
The invention belongs to the technical field of optical fiber communication, and particularly relates to an on-board miniature optical fiber connector.
Background
In the current technology in the field of optical fiber communication, standard optical fiber connectors, such as LC type connectors specified in IEC 61754-20, are often used in the optical fiber interconnection scenario in a small space on a motherboard. The standard connector is mature in technology and wide in application, but is not specially designed for onboard or narrow use environments, and has the problems of large connector volume, multiple mounting and dismounting steps, inconvenience in operation, high space requirement and the like.
In order to solve The above technical problems, The U.S. patent publication No. US6616343B2 discloses The optical fiber positioning member, which has a small volume and can be used for board connection, but it adopts a spring clamping mechanism, which is not high in reliability due to unstable elasticity, and lacks an angle retaining structure, and does not support angle grinding for a circular ferrule, thus having a great limitation.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the miniature optical fiber connector on the board, which has the advantages of small and compact structure and convenient use, can be applied to narrow environments such as on boards and the like, can ensure the use effect, enhances the use experience of users, and is beneficial to popularization and application of the miniature optical fiber connector on the board in the market.
In order to realize the aim, the invention adopts the following technical scheme that the on-board miniature optical fiber connector comprises an adapter with a cavity inside; an optical fiber, a clamp, a flange and a contact pin are arranged on one side of the adapter, the optical fiber, the flange and the contact pin are fixedly connected into a whole, an accommodating cavity for accommodating the optical fiber is formed inside the clamp, a first locking structure for realizing locking matching of the clamp and the adapter is arranged outside the clamp, and locking fixation between the clamp and the adapter is realized by pushing the flange; the other side of the adapter is also provided with an optical fiber, a flange and a contact pin which are fixedly connected into a whole, and is also provided with an elastic resetting piece and a pushing piece, the elastic resetting piece is sleeved outside the optical fiber between the pushing piece and the flange, a second locking structure for realizing locking matching of the pushing piece and the adapter is arranged outside the pushing piece, and the flange is pushed to realize locking fixation between the pushing piece and the adapter; the flange main body is of a polygonal structure, and a polygonal cavity part matched with the flange main body is arranged in the adapter
In a preferred embodiment of the present invention, the first locking structure is a cantilever structure, a first receiving groove adapted to the cantilever structure is formed in the adapter, and the first receiving groove is communicated with an outside of the adapter.
As a preferable aspect of the present invention, the second locking structure is a boss structure, a second receiving groove adapted to the boss structure is provided in the adapter, and the second receiving groove is communicated with an outside of the adapter.
In a preferred embodiment of the present invention, the first locking structure and the second locking structure are one of a threaded structure and a snap structure.
As a preferable mode of the present invention, a guide portion is provided at one end of the flange, and an outer diameter of the guide portion is smaller than an outer diameter of the flange main body.
In a preferred embodiment of the present invention, the guide portion is integrally formed with the main body of the flange.
As a preferable aspect of the present invention, the adapter further has a sliding prevention portion inside, and the sliding prevention portion is fitted to the guide portion.
The adapter further comprises a sleeve for keeping the central axes of the two pins on the same straight line, and the sleeve is arranged inside the adapter.
In a preferred embodiment of the present invention, the sleeve is disposed in a middle portion of the adapter.
In a preferred embodiment of the present invention, the elastic restoring member is a spring.
Compared with the prior art, the invention has the following beneficial effects: according to the on-board miniature optical fiber connector, the structure is small and compact, the polygonal flange and the polygonal cavity matched with the polygonal flange are arranged, the contact pin and the optical fiber can be effectively fixed, the contact pin and the optical fiber can be limited to rotate in the adapter, the optical fiber can be butted at a fixed angle, the energy loss caused by angle deviation due to rotation can be avoided, the use effect is ensured, the use experience of a user is enhanced, and the popularization and application of the on-board miniature optical fiber connector in the market are facilitated.
Drawings
FIG. 1 is a schematic diagram of a micro optical fiber connector on a board according to an embodiment;
FIG. 2 is a cross-sectional view of an embodiment of a miniature fiber optic connector on board;
FIG. 3 is a schematic diagram showing a disassembled structure of a miniature optical fiber connector on a board according to an embodiment;
FIG. 4 is a sectional view of the adapter of the miniature optical fiber connector on the board in the embodiment.
Reference numerals: 1. an optical fiber; 2. clamping; 20. an accommodating chamber; 21. a first locking structure; 3. a flange; 30. a guide portion; 4. inserting a pin; 5. an adapter; 50. a polygonal cavity portion; 51. a first accommodating groove; 52. a second accommodating groove; 53. a slip prevention section; 6. a sleeve; 7. an elastic reset member; 8. a pusher member; 80. a second locking structure.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1 to 4, an on-board micro optical fiber connector includes an adapter 5 having a cavity therein, wherein an optical fiber 1, a clip 2, a flange 3 and a pin 4 are disposed on one side of the adapter 5, for convenience of use, the optical fiber 1, the flange 3 and the pin 4 are generally fixedly connected to form a whole, an accommodating cavity 20 for accommodating the optical fiber 1 is formed inside the clip 2, the optical fiber 1 is inserted into the accommodating cavity 20, that is, the clip 2 is sleeved on the periphery of the optical fiber 1, and can push the flange 3 into the adapter 5 for locking. The first locking structure 21 for locking and matching the clip 2 and the adapter 5 is provided outside the clip 2, the first locking structure 21 may be a cantilever structure, a first receiving groove 51 adapted to the cantilever structure is provided in the adapter 5, and the first receiving groove 51 is communicated with the outside of the adapter 5 in order to realize quick assembly and disassembly between the adapter 5 and the clip 2, reduce the difficulty of assembly and disassembly, improve the efficiency of assembly and disassembly, and realize locking and fixing between the clip 2 and the adapter 5 by pushing the flange 3.
In order to realize the transmission of signal, the opposite side of above-mentioned adapter 5 is equipped with the optic fibre 1 that links firmly as an organic whole equally, flange 3 and contact pin 4, still be equipped with elasticity and reset piece 7 and propulsion piece 8, above-mentioned elasticity resets 7 suit outside above-mentioned optic fibre 1 between above-mentioned propulsion piece 8 and above-mentioned flange 3, elasticity resets piece 7 and can be simple structure, convenient to use's spring, provide elasticity through the spring, make both ends contact pin 4 in the inside inseparable butt joint of adapter 5, thereby make the inside optic fibre 1 of contact pin 4 inseparable butt joint, realize the transmission that continues of light energy, reduce energy loss.
The outside of the propelling part 8 is provided with a second locking structure 80 for realizing locking and matching of the propelling part 8 and the adapter 5, the flange 3 is pushed to realize locking and fixing between the propelling part 8 and the adapter 5, the second locking structure 80 can be set to be a boss structure, a second accommodating groove 52 matched with the boss structure is arranged in the adapter 5, the second accommodating groove 52 is communicated with the outside of the adapter 5, and the purpose is also to realize quick assembly and disassembly between the adapter 5 and the propelling part 8.
The first locking structure 21 and the second locking structure 80 may be one or more of a threaded structure, a snap structure, or other locking structures, but are not limited thereto.
In order to effectively fix the inserting needle 4 and the optical fiber 1 and simultaneously limit the inserting needle 4 and the optical fiber 1 to rotate in the adapter 5, so that the optical fiber 1 can be butted at a fixed angle without generating energy loss due to angle deviation caused by rotation, the use effect is ensured, and the use experience of a user is enhanced, the flange 3 main body is set to be a polygonal structure, and a polygonal cavity part 50 matched with the flange 3 main body is arranged in the adapter 5.
Further, in order to achieve quick attachment and detachment and improve the mounting efficiency, a guide portion 30 is provided at one end of the flange 3, and an outer diameter of the guide portion 30 is smaller than an outer diameter of the flange 3 main body. In order to ensure the structural strength and the service life of the flange 3 and to reduce the use cost, the guide portion 30 is integrally formed with the main body of the flange 3.
The inside antiskid portion 53 that still has of adapter 5, the setting of antiskid portion 53 is in order to avoid adapter 5 and clamping 2, advancing between 8 excessive assembly, and then leads to connector damage etc. can effectively guarantee the life of connector, reduces use cost. The slide preventing portion 53 is fitted to the guide portion 30, and the guide portion 30 is fitted in the slide preventing portion 53.
The connector in this embodiment further includes a sleeve 6 disposed inside the adapter 5, and the sleeve 6 is used to keep the central axes of the two pins 4 on the same straight line, so as to ensure that the optical wave is linearly transmitted along the axial direction, reduce the optical energy loss, and realize the highly reliable and stable transmission of signals. Furthermore, in order to facilitate the tight butt joint of the optical fibers 1 on the two sides of the adapter 5 and to realize the continuous transmission of optical energy, the sleeve 6 is disposed in the middle of the adapter 5.
An on-board miniature fiber connector in this embodiment, this connector structure is small and exquisite compact, be polygonal structure's flange 3 and with polygonal structure's flange 3 looks adaptation's polygon cavity portion 50 through the setting, can effectively fix contact pin 4 and optic fibre 1, can also restrict contact pin 4 and optic fibre 1 simultaneously and rotate in adapter 5, and then make optic fibre 1 can dock with fixed angle and can not lead to angle skew to produce energy loss because of rotating, guarantee the result of use, reinforcing user's use is experienced, be favorable to above-mentioned on-board miniature fiber connector popularization and application on market.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: 1. an optical fiber; 2. clamping; 20. an accommodating chamber; 21. a first locking structure; 3. a flange; 30. a guide portion; 4. inserting a pin; 5. an adapter; 50. a polygonal cavity portion; 51. a first accommodating groove; 52. a second accommodating groove; 53. a slip prevention section; 6. a sleeve; 7. an elastic reset member; 8. a pusher member; 80. second locking structure, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A miniature optical fiber connector on board comprises an adapter (5) with a cavity inside; the method is characterized in that: an optical fiber (1), a clamp (2), a flange (3) and a contact pin (4) are arranged on one side of the adapter (5), the optical fiber (1), the flange (3) and the contact pin (4) are fixedly connected into a whole, an accommodating cavity (20) for accommodating the optical fiber (1) is formed inside the clamp (2), a first locking structure (21) for realizing locking matching of the clamp (2) and the adapter (5) is arranged outside the clamp (2), and locking fixing between the clamp (2) and the adapter (5) is realized by pushing the flange (3); the other side of the adapter (5) is also provided with an optical fiber (1), a flange (3) and a contact pin (4) which are fixedly connected into a whole, and is also provided with an elastic resetting piece (7) and a pushing piece (8), the elastic resetting piece (7) is sleeved outside the optical fiber (1) between the pushing piece (8) and the flange (3), a second locking structure (80) used for realizing locking and matching of the pushing piece (8) and the adapter (5) is arranged outside the pushing piece (8), and locking and fixing between the pushing piece (8) and the adapter (5) are realized by pushing the flange (3); the flange (3) main body is of a polygonal structure, and a polygonal cavity portion (50) matched with the flange (3) main body is arranged in the adapter (5).
2. A miniature optical fiber connector on board as claimed in claim 1, wherein: the first locking structure (21) is of a cantilever structure, a first accommodating groove (51) matched with the cantilever structure is formed in the adapter (5), and the first accommodating groove (51) is communicated with the outside of the adapter (5).
3. A miniature optical fiber connector on board according to claim 1 or 2, wherein: the second locking structure (80) is of a boss structure, a second accommodating groove (52) matched with the boss structure is formed in the adapter (5), and the second accommodating groove (52) is communicated with the outside of the adapter (5).
4. A miniature optical fiber connector on board according to claim 3, wherein: the first locking structure (21) and the second locking structure (80) are in one of a threaded structure or a snap-fit structure.
5. A miniature optical fiber connector on board according to claim 4, wherein: one end of the flange (3) is provided with a guide part (30), and the outer diameter of the guide part (30) is smaller than that of the flange (3) main body.
6. A miniature on-board optical fiber connector according to claim 5, wherein: the guide part (30) and the main body of the flange (3) are integrally formed.
7. A miniature on-board optical fiber connector according to claim 6, wherein: the adapter (5) is also internally provided with a sliding-resistant part (53), and the sliding-resistant part (53) is matched with the guide part (30).
8. A miniature optical fiber connector on board as claimed in claim 1, wherein: the plug connector further comprises a sleeve (6) used for keeping the central axes of the two plug pins (4) on the same straight line, and the sleeve (6) is arranged inside the adapter (5).
9. A miniature on-board optical fiber connector according to claim 8, wherein: the sleeve (6) is arranged in the middle of the adapter (5).
10. A miniature on-board optical fiber connector according to claim 9, wherein: the elastic reset piece (7) is a spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110741405.0A CN113391406A (en) | 2021-06-30 | 2021-06-30 | Miniature optical fiber connector on board |
Applications Claiming Priority (1)
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CN202110741405.0A CN113391406A (en) | 2021-06-30 | 2021-06-30 | Miniature optical fiber connector on board |
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CN113391406A true CN113391406A (en) | 2021-09-14 |
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CN202110741405.0A Pending CN113391406A (en) | 2021-06-30 | 2021-06-30 | Miniature optical fiber connector on board |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114545560A (en) * | 2022-01-28 | 2022-05-27 | 杭州精工技研有限公司 | Miniature optical fiber connector |
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2021
- 2021-06-30 CN CN202110741405.0A patent/CN113391406A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114545560A (en) * | 2022-01-28 | 2022-05-27 | 杭州精工技研有限公司 | Miniature optical fiber connector |
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