CN216351379U

CN216351379U - Improved optical fiber coupling device

Info

Publication number: CN216351379U
Application number: CN202122889621.8U
Authority: CN
Inventors: 蔡志宏; 邹长广
Original assignee: Wuhan Wanying Semiconductor Technology Co ltd
Current assignee: Wuhan Wanying Semiconductor Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-19
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses an improved optical fiber coupling device, relating to the technical field of lasers, wherein the installation between a coupling lens and an optical fiber is troublesome, the optical fiber is often difficult to be installed at a proper position, the optical fiber needs to be debugged and fixed for a plurality of times to focus the coupling lens on the optical fiber, and a coupling component is inconvenient to be installed on a laser, the device comprises a combined part, a connecting block and a lens group are arranged on the combined part, an installation structure is arranged on the connecting block, four installation grooves are symmetrically arranged at the top of the combined part, a rotating block is rotated to enable a pressing plate to move upwards, the optical fiber is placed between two pressing grooves, the pressing plate is pressed and the rotating block is rotated to fix the pressing plate, in the process, an inserting plate can be pulled through a convex block, the inserting plate can position one end of the optical fiber, the optical fiber can be aligned with the lens group without deviation, and the whole combined part can be installed through the installation blocks in the installation grooves, the mounting bolts in the mounting holes can be integrally fixed.

Description

Improved optical fiber coupling device

Technical Field

The utility model relates to the technical field of lasers, in particular to an improved optical fiber coupling device.

Background

The optical fiber coupling laser is a device which couples laser emitted by a laser source into an optical fiber for transmission after being converted by an optical system, a coupling lens is arranged in the optical fiber coupling laser and is externally connected with the optical fiber, and the coupling lens and the optical fiber are arranged relatively independently.

When the optical fiber is installed, the installation between the coupling lens and the optical fiber is troublesome, the optical fiber is difficult to install to a proper position, the optical fiber needs to be debugged and fixed for many times, the coupling lens can be focused on the optical fiber, and the coupling assembly is inconvenient to install on a laser. In response to this situation, those skilled in the art have provided an improved fiber coupling device.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide an improved optical fiber coupling device to solve the problems of the prior art that the optical fiber needs to be debugged and fixed for many times, and the coupling assembly is inconvenient to be installed on a laser.

In order to achieve the purpose, the utility model provides the following technical scheme:

an improved optical fiber coupling device comprises an assembly, wherein a connecting block and a lens group are arranged on the assembly, a mounting structure is arranged on the connecting block, and four mounting grooves are symmetrically arranged at the top of the assembly; the mounting structure comprises two deep holes, the deep holes are formed in the top of the connecting block, the bottom of each deep hole is fixedly provided with an upright post, the side face of each upright post is sequentially sleeved with a spring, a sleeve and a rotating block from bottom to top, and the side faces of the two sleeves are jointly sleeved with a pressing plate.

As a still further scheme of the utility model: the bottom of clamp plate and the top of connecting block all are provided with the indent, and two indents are the cooperation structure.

As a still further scheme of the utility model: the mounting groove is internally spliced with a mounting block, the bottom of the mounting block is fixedly provided with two limiting columns, the bottom center of the mounting block is fixedly provided with a bottom column, the mounting block and the bottom column are jointly provided with a mounting hole, the bottom ends of the limiting columns extend into the combined piece, and the bottom column penetrates through the combined piece.

As a still further scheme of the utility model: the rotating block is arranged into a regular hexagonal prism and is in threaded connection with the side face of the upright post.

As a still further scheme of the utility model: and a positioning block is fixedly arranged on one side in the assembly, and a plug board is inserted in the positioning block.

As a still further scheme of the utility model: the top and the bottom edge of the inserting plate are both fixedly provided with a convex block, and the two convex blocks are symmetrically arranged.

As a still further scheme of the utility model: the lens group is embedded and installed on one side of the assembly part, and the lens group and the installation structure are matched components.

Compared with the prior art, the utility model has the beneficial effects that:

1. the rotating block is rotated to enable the pressing plate to move upwards, the optical fiber is placed between the two pressing grooves, the pressing plate is pressed and the rotating block is rotated to fix the pressing plate, the inserting plate can be pulled open through the protruding block in the process, and the inserting plate can position one end of the optical fiber, so that the optical fiber can be aligned to the lens group and cannot shift;

2. the installation piece in the whole accessible mounting groove of sub-assembly is installed, and the bottom of installation piece is provided with spacing post, can improve the stability of installation, and the mounting bolt can carry out holistic fixed in the mounting hole.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the mounting structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the mounting groove of the present invention.

In the figure: 1. an assembly; 2. a mounting structure; 3. connecting blocks; 4. mounting grooves; 5. positioning blocks; 6. a lens group; 21. deep holes; 22. a column; 23. a spring; 24. a sleeve; 25. rotating the block; 26. pressing a plate; 27. pressing a groove; 41. mounting blocks; 42. a bottom pillar; 43. a limiting column; 44. mounting holes; 51. inserting plates; 52. and (4) a bump.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and with reference to fig. 1 to 3, the embodiment of the present invention is as follows:

an improved optical fiber coupling device comprises a combined piece 1, wherein a connecting block 3 and a lens group 6 are arranged on the combined piece 1, a mounting structure 2 is arranged on the connecting block 3, and four mounting grooves 4 are symmetrically arranged at the top of the combined piece 1; mounting structure 2 includes two deep holes 21, and deep hole 21 sets up in the top of connecting block 3, and the bottom fixed mounting of deep hole 21 has stand 22, and the side from the bottom up of stand 22 overlaps in proper order and is equipped with spring 23, sleeve pipe 24 and commentaries on classics piece 25, and the side of two sleeve pipes 24 is overlapped jointly and is equipped with clamp plate 26.

In fig. 2: the bottom of the pressing plate 26 and the top of the connecting block 3 are both provided with pressing grooves 27, and the two pressing grooves 27 are of a matching structure and can be used for fixedly mounting the optical cable; the rotating block 25 is arranged to be a regular hexagonal prism, and the rotating block 25 is connected with the side face of the upright column 22 through threads, so that the rotating block 25 is convenient to rotate.

In fig. 3: the mounting block 41 is inserted in the mounting groove 4, two limiting columns 43 are fixedly mounted at the bottom of the mounting block 41, the bottom center of the mounting block 41 is fixedly mounted with the bottom column 42, the mounting hole 44 is jointly formed in the mounting block 41 and the bottom column 42, the bottom ends of the limiting columns 43 extend into the assembly 1, and the bottom column 42 penetrates through the assembly 1 and can be integrally fixed.

In fig. 1: a positioning block 5 is fixedly arranged on one side in the assembly 1, and an inserting plate 51 is inserted in the positioning block 5 and can be used for positioning the optical fiber; the top and bottom edges of the plugboard 51 are both fixedly provided with a convex block 52, and the two convex blocks 52 are symmetrically arranged and can be pulled out of the plugboard 51; the lens assembly 6 is embedded in one side of the assembly 1, and the lens assembly 6 and the mounting structure 2 are matching components, so that the optical fiber and the lens assembly 6 can be matched for use.

The working principle of the utility model is as follows: loosening the two rotating blocks 25 to enable the pressing plate 26 to move upwards, placing the optical fiber between the two pressing grooves 27, pressing the pressing plate 26 and rotating the rotating blocks 25 to fix the pressing plate 26, in the process, pulling the inserting plate 51 apart through the convex blocks 52, and enabling the inserting plate 51 to position one end of the optical fiber so that the optical fiber can be aligned to the lens group 6 and does not deviate; the whole of sub-assembly 1 can be installed through installation piece 41 in mounting groove 4, and the bottom of installation piece 41 is provided with spacing post 43, can improve the stability of installation, and the mounting bolt can carry out holistic fixed in mounting hole 44.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. An improved optical fiber coupling device comprises a combined piece (1), and is characterized in that a connecting block (3) and a lens group (6) are arranged on the combined piece (1), a mounting structure (2) is arranged on the connecting block (3), and four mounting grooves (4) are symmetrically arranged at the top of the combined piece (1); mounting structure (2) include two deep holes (21), and the top in connecting block (3) is seted up in deep hole (21), and the bottom fixed mounting of deep hole (21) has stand (22), and the side from the bottom up of stand (22) is overlapped in proper order and is equipped with spring (23), sleeve pipe (24) and commentaries on classics piece (25), and the side of two sleeve pipes (24) is overlapped jointly and is equipped with clamp plate (26).

2. An improved optical fiber coupling device according to claim 1, wherein the bottom of the pressure plate (26) and the top of the connecting block (3) are provided with press grooves (27), and the two press grooves (27) are of a matching structure.

3. The improved optical fiber coupling device according to claim 1, wherein a mounting block (41) is inserted into the mounting groove (4), two limiting posts (43) are fixedly mounted at the bottom of the mounting block (41), a bottom post (42) is fixedly mounted at the center of the bottom of the mounting block (41), a mounting hole (44) is formed in the mounting block (41) and the bottom post (42) together, the bottom ends of the limiting posts (43) extend into the assembly (1), and the bottom post (42) penetrates through the assembly (1).

4. An improved optical fiber coupling device as claimed in claim 1, wherein the rotary block (25) is configured as a regular hexagonal prism, and the rotary block (25) is connected with the side surface of the upright column (22) through a screw thread.

5. An improved optical fiber coupling device as claimed in claim 1, wherein a positioning block (5) is fixedly installed at one side of the interior of the assembly (1), and a plug board (51) is inserted into the positioning block (5).

6. An improved optical fiber coupling device as claimed in claim 5, wherein the top and bottom edges of the insertion plate (51) are fixedly installed with the protruding blocks (52), and the two protruding blocks (52) are symmetrically arranged.

7. An improved optical fiber coupling device as claimed in claim 1, wherein said lens group (6) is embedded and mounted on one side of the assembly (1), and the lens group (6) and the mounting structure (2) are mating members.