CN215005983U - Miniature optical fiber connector on board - Google Patents

Abstract

The utility model discloses a miniature optical fiber connector on 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

Miniature optical fiber connector on board

Technical Field

The utility model belongs to the technical field of fiber communication, specifically a miniature fiber connector on board.

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 utility model aims to provide a miniature optical fiber connector on board, this connector structure is small and exquisite compact, and convenient to use can be applied to narrow and small environment such as on the board, can guarantee the result of use simultaneously, and reinforcing user's use is experienced, is favorable to the popularization and the application of miniature optical fiber connector on above-mentioned board on market.

In order to realize the aim, the utility model adopts the following technical proposal that the miniature optical fiber connector on the board 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

As a preferred scheme of the utility model, first locking structure is cantilever structure, be equipped with the first holding tank with cantilever structure looks adaptation in the adapter, first holding tank with the adapter outside link up mutually.

As a preferred scheme of the utility model, second locking structure sets up to the convex structure, be equipped with the second holding tank with convex structure looks adaptation in the adapter, the second holding tank with the adapter is outside to link up mutually.

As an optimized scheme of the utility model, first locking structure with second locking structure is one of screw thread structure or buckle mouth structure.

As a preferred scheme of the utility model, flange one end is equipped with the guide part, the external diameter of guide part is less than the external diameter of flange main part.

As an optimized scheme of the utility model, the guide part with the main part integrated into one piece setting of flange.

As an optimized scheme of the utility model, the inside portion that still has of adapter hinders the slide part, hinder the slide part with guide looks adaptation.

As an optimal scheme of the utility model, still including being used for keeping two the central axis of contact pin is located the sleeve pipe on same straight line, the sleeve pipe is located the inside setting of adapter.

As an optimized scheme of the utility model, the sleeve pipe is located the setting of adapter middle part.

As a preferred embodiment of the present invention, the elastic restoring member is a spring.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a miniature fiber connector on board, this connector structure is small and exquisite compact, through set up the polygon flange and with the polygon cavity portion of polygon flange looks adaptation, can effectively fix contact pin and optic fibre, can also restrict contact pin and optic fibre simultaneously and rotate in the adapter, and then make optic fibre can dock with fixed angle and can not lead to the angle skew to produce energy loss because of rotating, guarantee the result of use, the use of reinforcing user is experienced, be favorable to above-mentioned miniature fiber connector on board popularization and application on market.

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 in a manner that is inconsistent with the spirit of the 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. The on-board miniature optical fiber connector of 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 as claimed in 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 as set forth in 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. The miniature optical fiber connector on board of 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. The miniature optical fiber connector on board of claim 5, wherein: the guide part (30) and the main body of the flange (3) are integrally formed.

7. The on-board miniature optical fiber connector of 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. The on-board miniature optical fiber connector of 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. The on-board miniature optical fiber connector of claim 8, wherein: the sleeve (6) is arranged in the middle of the adapter (5).

10. A miniature optical fiber connector on board as set forth in claim 9, wherein: the elastic reset piece (7) is a spring.

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