Coaxial rotation polarization maintaining optical fiber assembling and adjusting clamp

Abstract

The utility model relates to the technical field of optical installation and adjustment, and particularly provides a coaxial rotation polarization maintaining optical fiber installation and adjustment clamp which comprises an optical fiber support fixing part comprising a rotation structure outer wall, and an optical fiber fixing clamp rotation part comprising a rotation support inner wall mechanically matched with the rotation structure outer wall. The light source fixing part comprises a light source mounting clamping groove used for fixing and supplying power to pins of a light source, a light source mounting assembly used for fixing the light source and a first connecting assembly, and the light source heat dissipation part comprises a second connecting assembly, a second height adjusting assembly and heat dissipation fins; the light source fixing part and the optical fiber fixing clamp rotating part are both installed on the light source heat dissipation part, the coaxial rotation performance of the whole clamp is improved to finely adjust the angle of the polarization maintaining optical fiber, the coupling accuracy of the polarization maintaining optical fiber is improved, and the installation and adjustment precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical equipment technology field, provide a coaxial rotation polarization maintaining optical fiber equipment clamp specifically. BACKGROUND

[0002] With the rapid development of the telecommunication industry, optical fiber communication technology is constantly evolving towards super capacity, intelligentization and integration, towards realizing intelligent network parameter monitoring and super long distance, super capacity information transmission, and with the continuous progress of integration technology and optical communication devices, the whole optical fiber communication industry is rapidly developing towards high performance and low cost. At the same time, it also drives the rapid updating of optical modules.

[0003] The existing polarization maintaining optical fiber packaging mostly relies on camera assisted observation of the direction of polarization maintaining optical fiber stress rod, and coupling after confirming the direction. Visual alignment cannot guarantee the direction accuracy of polarization maintaining optical fiber, so a clamp is needed to rotate the whole system to a certain extent during polarization maintaining optical fiber equipment, to fine tune the angle of polarization maintaining optical fiber and ensure the polarization maintaining efficiency of the module. UTILITARY MODEL

[0004] The utility model provides a coaxial rotation polarization maintaining optical fiber equipment clamp to solve the above problems, improve the coupling accuracy of polarization maintaining optical fiber and improve the equipment precision.

[0005] A coaxial rotation polarization maintaining optical fiber equipment clamp, comprising:

[0006] The optical fiber support fixing part comprises a coaxial reserved hole, a first optical fiber fixing groove, an optical fiber fixing hole, a part fixing hole and a rotating structure outer wall.

[0007] The optical fiber fixing clamp rotating part comprises a rotating support inner wall mechanically combined with the rotating structure outer wall, a locking screw for adjusting the relative position of the rotating structure outer wall and the rotating support inner wall, a first height adjusting assembly for adjusting the height and a second optical fiber fixing groove.

[0008] The light source fixing part comprises a light source mounting slot for fixing and power supply of the pin of the light source, a light source mounting assembly for fixing the light source and a first connecting assembly.

[0009] The light source fixing part is installed on the light source heat dissipation part through the first connecting assembly and the second connecting assembly, and the optical fiber fixing clamp rotating part is installed on the light source heat dissipation part through the first height adjusting assembly and the second height adjusting assembly.

[0010] As a preferred scheme, the optical fiber support fixing part has a ring-shaped body, the coaxial reserved hole, the optical fiber fixing hole, the part fixing hole and the rotating structure outer wall are located on the ring-shaped body, and the first optical fiber fixing groove is installed vertically to a plane where the ring-shaped body is located.

[0011] As a preferred scheme, a through hole is arranged in the radial direction of the rotating support inner wall, and the locking screw abuts against the rotating structure outer wall along the through hole.

[0012] As a preferred scheme, the first height adjusting assembly comprises a long strip-shaped hole arranged in the vertical direction and an adjusting screw, the second height adjusting assembly has a plurality of screw holes, the screw holes are matched with the adjusting screw, and the plurality of screw holes are arranged in the vertical direction.

[0013] As a preferred scheme, the light source mounting assembly comprises a mounting flat plate and a fixing through hole, the light source mounting clamping groove is mounted on the mounting flat plate, and the mounting flat plate is mounted on the light source heat dissipation part through the fixing through hole.

[0014] As a preferred scheme, the light source heat dissipation part has a first plane and a second plane which are perpendicular to each other and adjacent to each other, the mounting flat plate is mounted on the first plane, and the optical fiber fixing clamp rotating part is mounted on the second plane.

[0015] As a preferred scheme, the heat dissipation fins are uniformly distributed on the surface of the light source heat dissipation part.

[0016] As a preferred scheme, the light source is a butterfly-shaped laser.

[0017] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0018] The utility model provides a coaxial rotation polarization maintaining optical fiber dress and adjust clamp, including optical fiber support fixed part including rotation structure outer wall, optical fiber fixed clamp rotation part includes the rotation support inner wall of mechanical contract with rotation structure outer wall, light source fixed part includes the light source installation clamping groove for the pin fixed and power supply of light source, is used for fixing the light source light source installation assembly and first connection assembly, light source radiating part includes second connection assembly, second height adjustment assembly and radiating fin, light source fixed part and optical fiber fixed clamp rotation part all install on light source radiating part, increase the coaxial rotation of whole clamp to carry out the fine adjustment to polarization maintaining optical fiber angle, promote the coupling accuracy of polarization maintaining optical fiber, improve the precision of dress and adjust. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of a coaxial rotation polarization maintaining optical fiber dress and adjust clamp according to the utility model embodiment;

[0020] Figure 2 It is the explosion view of a coaxial rotation polarization maintaining optical fiber dress and adjust clamp according to the utility model embodiment;

[0021] Figure 3 It is the structure schematic diagram of the optical fiber support fixed part of a coaxial rotation polarization maintaining optical fiber dress and adjust clamp according to the utility model embodiment;

[0022] Figure 4 It is the structure schematic diagram of the optical fiber fixed clamp rotation part of a coaxial rotation polarization maintaining optical fiber dress and adjust clamp according to the utility model embodiment;

[0023] Figure 5 It is the structure schematic diagram of the light source fixed part of a coaxial rotation polarization maintaining optical fiber dress and adjust clamp according to the utility model embodiment;

[0024] Figure 6 It is the structure schematic diagram of the light source radiating part of a coaxial rotation polarization maintaining optical fiber dress and adjust clamp according to the utility model embodiment.

[0025] The reference signs in it include:

[0026] Optical fiber support fixed part 100, coaxial reserved hole 101, first optical fiber fixed groove 102, optical fiber fixed hole 103, part fixed hole 104, rotation structure outer wall 105;

[0027] Optical fiber fixed clamp rotation part 200, rotation support inner wall 201, locking screw 202, first height adjustment assembly 203, second optical fiber fixed groove 204;

[0028] Light source fixed part 300, light source installation clamping groove 301, light source installation assembly 302, first connection assembly 303, installation flat plate 3021, fixed through hole 3022;

[0029] The light source heat dissipation part 400, the second connecting assembly 401, the second height adjusting assembly 402, and the heat dissipation fin 403. DETAILED DESCRIPTION

[0030] Hereinafter, embodiments of the present application will be described with reference to the accompanying drawings. In the following description, the same modules are denoted by the same reference numerals. In the case of the same reference numerals, their names and functions are also the same. Therefore, detailed descriptions thereof will not be repeated.

[0031] In order to make the objectives, technical solutions, and advantages of the present application clearer, further detailed descriptions will be given to the present application in combination with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and do not constitute a limitation on the present application.

[0032] In combination with Figure 1 and 2 It is shown that the present application provides a coaxial rotary polarization maintaining optical fiber installation and adjustment clamp, which comprises:

[0033] The optical fiber support fixing part 100 comprises a coaxial reserved hole 101, a first optical fiber fixing groove 102, an optical fiber fixing hole 103, a part fixing hole 104, and a rotating structure outer wall 105. The polarization maintaining optical fiber can be fixed on the optical fiber support fixing part 100. Specifically, the polarization maintaining optical fiber is placed in the first optical fiber fixing groove 102, and the polarization maintaining optical fiber is fixed through the optical fiber fixing hole 103. The coaxial reserved hole 101 is used to install the first optical fiber fixing groove 102 on the rotating structure outer wall 105. The optical fiber support fixing part 100 can be connected to an external optical platform or a lifting platform through the part fixing hole 104;

[0034] The optical fiber fixing clamp rotating part 200 comprises a rotating support inner wall 201 mechanically engaged with the rotating structure outer wall 105, a locking screw 202 for adjusting the relative positions of the rotating structure outer wall 105 and the rotating support inner wall 201, a first height adjusting assembly 203 for adjusting the height, and a second optical fiber fixing groove 204. The first optical fiber fixing groove 102, the second optical fiber fixing groove 204, the rotating structure outer wall 105, and the rotating support inner wall 201 are coaxial to ensure the coaxial accuracy of the installation and adjustment;

[0035] The light source fixing part 300 comprises a light source mounting clamping groove 301 for fixing and powering the pins of the light source, a light source mounting assembly 302 for fixing the light source, and a first connecting assembly 303. The light source can adopt a butterfly laser. The light source mounting clamping groove 301 can be used to fix and power the pins of the light source. The light source is positionally fixed through the light source mounting assembly 302. The first connecting assembly 303 is used to install the light source fixing part 300 on the light source heat dissipation part 400.

[0036] The light source heat dissipation part 400 includes a second connecting assembly 401 corresponding to the first connecting assembly 303, a second height adjustment assembly 402 corresponding to the first height adjustment assembly 203, and heat dissipation fins 403 on the surface of the light source heat dissipation part 400. The light source fixing part 300 is installed on the light source heat dissipation part 400 through the first connecting assembly 303 and the second connecting assembly 401, and the optical fiber fixing clamp rotating part 200 is installed on the light source heat dissipation part 400 through the first height adjustment assembly 203 and the second height adjustment assembly 402. The installation can complete the installation and adjustment of the center of gravity height of the entire clamp, and ensure the coaxiality of the optical fiber and the clamp.

[0037] It should be noted that the rotating structure outer wall 105 and the rotating support inner wall 201 are mechanically engaged, that is, the rotating structure outer wall 105 can rotate relatively in the rotating support inner wall 201. In this way, the first optical fiber located on the optical fiber support fixing part 100 and the second optical fiber located on the optical fiber fixing clamp rotating part 200 can be rotated and adjusted. According to the required position and angle, the rotating structure outer wall 105 is rotated, and then the rotating structure outer wall 105 and the rotating support inner wall 201 are locked by the locking screw 202.

[0038] In combination with Figure 3 As shown in the figure, in some embodiments, the optical fiber support fixing part 100 has a ring-shaped body, and the coaxial reserved hole 101, the optical fiber fixing hole 103, the part fixing hole 104, and the rotating structure outer wall 105 are located on the ring-shaped body. The first optical fiber fixing groove 102 is installed vertically to the plane where the ring-shaped body is located.

[0039] In combination with Figure 4 As shown in the figure, in some embodiments, for the way of locking the rotating structure outer wall 105 and the rotating support inner wall 201 by the locking screw 202, a through hole is arranged in the radial direction of the rotating support inner wall 201, and the locking screw 202 abuts against the rotating structure outer wall 105 along the through hole.

[0040] In combination with Figure 5 As shown in the figure, in some embodiments, in order to better adjust the positional relationship between the optical fiber fixing clamp rotating part 200 and the light source heat dissipation part 400, so as to adjust the center of gravity of the clamp, the first height adjustment assembly 203 includes a long strip-shaped hole arranged in the vertical direction and an adjusting screw. The second height adjustment assembly 402 has a plurality of screw holes, which can be matched with the adjusting screw. The plurality of screw holes are arranged in the vertical direction, and different positions are achieved through the plurality of screw holes, which facilitates the adjustment of the center of gravity of the clamp.

[0041] In combination with Figure 6As shown, in some embodiments, the light source mounting assembly 302 includes a mounting plate 3021 and a fixed through hole 3022, in order to facilitate the mounting and fixing of the light source pins, the light source mounting clamping groove 301 can be provided as two parts parallel to each other, the light source mounting clamping groove 301 is mounted on the mounting plate 3021, and the mounting plate 3021 is mounted on the light source heat dissipation part 400 through the fixed through hole 3022.

[0042] In some embodiments, the light source heat dissipation part 400 has a first plane and a second plane perpendicular to each other and adjacent to each other, which can be a cubic structure, the first plane mounts the mounting plate 3021, and the optical fiber fixing clamp rotating part 200 is mounted on the second plane, which helps to improve the coaxial accuracy of the clamp.

[0043] In some embodiments, the heat dissipation fins 403 are uniformly distributed on the surface of the light source heat dissipation part 400, and the heat dissipation fins 403 can be composed of a plurality of parallel heat dissipation fins, and those skilled in the art can flexibly select according to needs, which is not limited.

[0044] The utility model provides a kind of coaxial rotating polarization maintaining optical fiber installation and adjustment clamp, including optical fiber support fixed part including rotating structure outer wall, optical fiber fixing clamp rotating part includes the rotating support inner wall mechanically engaged with rotating structure outer wall, light source fixed part includes the light source installation clamping groove for the pin fixed and power supply of light source, for the light source fixed light source mounting assembly and first connecting assembly, light source heat dissipation part includes second connecting assembly, second height adjustment assembly and heat dissipation fin, light source fixed part and optical fiber fixing clamp rotating part are mounted on light source heat dissipation part, increase the coaxial rotation of whole clamp to carry out fine adjustment to polarization maintaining optical fiber angle, improve the coupling accuracy of polarization maintaining optical fiber, improve the precision of installation and adjustment.

[0045] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model. Those skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.

[0046] The specific embodiments of the utility model above do not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A coaxial rotary polarization maintaining fiber alignment fixture, comprising: The application relates to a coaxial rotating polarization-maintaining optical fiber installation and adjustment clamp. The optical fiber support fixing part comprises a coaxial reserved hole, a first optical fiber fixing groove, an optical fiber fixing hole, a part fixing hole and a rotating structure outer wall. The optical fiber fixing clamp rotating part comprises a rotating support inner wall which is mechanically combined with the rotating structure outer wall, a locking screw which is used for adjusting the relative position of the rotating structure outer wall and the rotating support inner wall, a first height adjusting assembly which is used for adjusting the height and a second optical fiber fixing groove, the first optical fiber fixing groove, the second optical fiber fixing groove, the rotating structure outer wall and the rotating support inner wall are coaxial. The light source fixing part comprises a light source mounting clamping groove which is used for fixing and supplying power to the pin of the light source, a light source mounting assembly which is used for fixing the light source and a first connecting assembly. The light source heat dissipation part comprises a second connecting assembly which corresponds to the first connecting assembly, a second height adjusting assembly which corresponds to the first height adjusting assembly and heat dissipation fins which are located on the surface of the light source heat dissipation part, the light source fixing part is mounted on the light source heat dissipation part through the first connecting assembly and the second connecting assembly, and the optical fiber fixing clamp rotating part is mounted on the light source heat dissipation part through the first height adjusting assembly and the second height adjusting assembly.

2. The coaxial rotating polarization-maintaining optical fiber installation and adjustment clamp according to claim 1, wherein the optical fiber support fixing part has a ring-shaped body, the coaxial reserved hole, the optical fiber fixing hole, the part fixing hole and the rotating structure outer wall are located on the ring-shaped body, and the first optical fiber fixing groove is vertically installed with the plane where the ring-shaped body is located.

3. The coaxial rotating polarization-maintaining optical fiber installation and adjustment clamp according to claim 1, wherein a through hole is arranged in the radial direction of the rotating support inner wall, and the locking screw is abutted against the rotating structure outer wall along the through hole.

4. The coaxial rotating polarization-maintaining optical fiber installation and adjustment clamp according to claim 1, wherein the first height adjusting assembly comprises a long strip-shaped hole and an adjusting screw which are arranged in the vertical direction, the second height adjusting assembly has a plurality of screw holes, the screw holes are matched with the adjusting screw, and the plurality of screw holes are arranged in the vertical direction.

5. The coaxial rotating polarization-maintaining optical fiber installation and adjustment clamp according to claim 1, wherein the light source mounting assembly comprises a mounting flat plate and a fixing through hole, the light source mounting clamping groove is mounted on the mounting flat plate, and the mounting flat plate is mounted on the light source heat dissipation part through the fixing through hole.

6. The coaxial rotating polarization-maintaining optical fiber installation and adjustment clamp according to claim 5, wherein the light source heat dissipation part has a first plane and a second plane which are perpendicular to each other and adjacent to each other, the first plane is used for mounting the mounting flat plate, and the optical fiber fixing clamp rotating part is mounted on the second plane. The heat dissipation fins are uniformly distributed on the surface of the light source heat dissipation part. The light source is a butterfly-shaped laser. ​ ​ ​ 7. The alignment fixture for a co-rotating polarization maintaining fiber as recited in claim 1, wherein, ​ 8. The alignment fixture for a co-rotating polarization maintaining fiber as recited in claim 1, wherein, ​

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