CN211627880U

CN211627880U - Simple clamp for manufacturing deviation-maintaining connector

Info

Publication number: CN211627880U
Application number: CN202020363236.2U
Authority: CN
Inventors: 尹小杰; 孙静雯; 李彩云; 刘超; 常夏森; 吴远大
Original assignee: HENAN SHIJIA PHOTONS TECHNOLOGY CO LTD
Current assignee: HENAN SHIJIA PHOTONS TECHNOLOGY CO LTD
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-10-02
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a simple and easy anchor clamps of preparation polarization maintaining connector, including the fixation clamp group that is used for placing the objective table of polarization maintaining optic fibre and is used for fixed lock pin, be equipped with the holder on the objective table, and fixation clamp group can dismantle through holder and objective table and be connected. The utility model has simple structure, when the connector is manufactured, the fixing clamp group can be integrally taken down from the objective table for inserting core assembly, and the fixing clamp group is clamped by the clamp after the assembly is finished, so the operation is convenient and flexible; the sleeve can reduce the axial shake of the inserting core, reduce the alignment time of the polarization maintaining optical fiber, improve the manufacturing efficiency and be suitable for popularization and use in industrial production.

Description

Simple clamp for manufacturing deviation-maintaining connector

Technical Field

The utility model belongs to the technical field of fiber communication, concretely relates to simple and easy anchor clamps of preparation polarization maintaining connector.

Background

Polarization maintaining optical fibers transmit linearly polarized light, and are widely used in various fields of national economy such as aerospace, aviation, navigation, industrial manufacturing technology, communication and the like. In an interference type optical fiber sensor based on optical coherent detection, polarization maintaining optical fibers are used to ensure that the polarization direction is unchanged, and the coherent signal-to-noise ratio is improved, so that high-precision measurement of physical quantity is realized. When used in a system, signal light is input into the device through a connector, the alignment of the polarization maintaining optical fiber fast or slow axis in the connector is critical. However, the existing polarization maintaining connector clamp is complex to operate, complex in structure, low in efficiency and difficult to realize mass production of the polarization maintaining connector.

SUMMERY OF THE UTILITY MODEL

To the problem of current polarization maintaining connector anchor clamps operation numerous and diverse and inefficiency, the utility model provides a simple and easy anchor clamps of preparation polarization maintaining connector has solved when lock pin and polarization maintaining fiber preparation anchor clamps use the high and difficult problem of location of complexity.

For solving the above technical problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides a simple and easy anchor clamps of preparation polarization maintaining connector, is including the objective table that is used for placing polarization maintaining optical fiber and the fixation clamp group that is used for fixed lock pin, be equipped with the holder on the objective table, and the fixation clamp group can be dismantled with the objective table through the holder and be connected.

The fixing clamp group comprises a shell, clamping grooves are formed in two sides of the shell, a through hole is formed in the shell, and a positioning mechanism for fixing the inserting core is arranged in the through hole; the clamping groove is matched with the clamp.

The positioning mechanism comprises a clamping groove matched with the middle part of the inserting core and a positioning groove matched with the tail handle of the inserting core.

A sleeve for fixing the head of the ferrule is arranged in the through hole, and the sleeve and the positioning mechanism are respectively arranged at two sides of the through hole; the sleeve is detachably connected with the through hole.

The clamp holder comprises a left clamp head and a right clamp head, the left clamp head and the right clamp head are symmetrically arranged on the upper part of the objective table, and the front parts of the left clamp head and the right clamp head are respectively matched with the two clamping grooves; the housing is disposed between the left and right jaws.

The sleeve is a cylindrical sleeve made of a silica gel material, the outer diameter of the sleeve is equal to the diameter of the through hole, and the inner diameter of the sleeve is equal to the outer diameter of the head of the ferrule.

The utility model has the advantages that:

the utility model has simple structure, when the connector is manufactured, the fixed group sleeve can be integrally taken down from the objective table for inserting core assembly, and the fixed group sleeve is clamped by the clamp holder after the assembly is finished, so the operation is convenient and flexible; the sleeve can reduce the axial shake of the inserting core, reduce the alignment time of the polarization maintaining optical fiber, improve the manufacturing efficiency and be suitable for popularization and use in industrial production.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic view of an assembly structure of the fixing assembly and the ferrule.

Figure 4 is a cross-sectional view of the attachment assembly coupled to the ferrule.

Fig. 5 is a diagram illustrating the alignment effect of the polarization maintaining fiber of the present invention.

In the figure, 1 is an objective table, 11 is a holder, 111 is a left chuck, 112 is a right chuck, 2 is a fixed set, 3 is a shell, 31 is a through hole, 32 is a clamping groove, 33 is a positioning groove, 4 is a sleeve, 5 is a ferrule, 51 is a ferrule head, 52 is a ferrule tail handle, and 6 is a polarization maintaining fiber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

A simple clamp for manufacturing a polarization maintaining connector is shown in figure 1 and comprises an objective table 1 for placing a polarization maintaining optical fiber 6 and a fixing clamp group 2 for fixing an inserting core 5, wherein the upper part of the objective table 1 is a horizontal plane which is used for bearing the fixing clamp group 2, the inserting core 5 and the polarization maintaining optical fiber 6 so as to protect the polarization maintaining optical fiber 6, the lower part of the fixing clamp group 2 is also a horizontal plane, and the two horizontal planes are tightly attached; the objective table 1 is provided with a clamp holder 11, and the fixed clamp group 2 is detachably connected with the objective table 1 through the clamp holder 11. The clamp holder 11 is arranged on one side of the objective table 1, and the polarization-maintaining optical fiber 6 is arranged on the other side of the objective table 1 so as to prevent the polarization-maintaining optical fiber 6 from being damaged in the production process; when the ferrule needs to be loaded, the fixing clamp group 2 can be directly taken out of the clamp holder 11, so that the ferrule is convenient to install.

As shown in fig. 4, the fixing clip group 2 includes a housing 3, and clamping grooves are symmetrically formed on both sides of the housing 3, and the clamping grooves are matched with a clamp holder 11 to fix the housing 3 from both sides of the housing 3; the middle part of the shell 3 is provided with a through hole 31, the middle part of the through hole 31 is provided with a positioning mechanism for fixing the ferrule 5, and the end part of the through hole 31 is provided with a sleeve 4 for fixing the ferrule head part 51; the positioning mechanism comprises a clamping groove 32 matched with a convex edge in the middle of the ferrule 5 and a positioning groove 33 matched with a ferrule tail handle 52, the clamping groove 32 is arranged between the sleeve 4 and the positioning groove 33, and the positions and the sizes of the clamping groove 32 and the positioning groove 33 are completely matched with the middle of the ferrule 5 and the ferrule tail handle 52 respectively so as to fix the ferrule 5 in the shell 3 and prevent the ferrule 5 from axially rotating; as shown in fig. 3, the sleeve 4 is a cylindrical sleeve made of silicone material, the outer diameter of the sleeve 4 is equal to the diameter of the through hole 31, the inner diameter of the sleeve 4 is equal to the outer diameter of the ferrule head 51, and the sleeve 4 is fixedly disposed in the through hole 31. The silica gel sleeve can stabilize the plug core head part 51 to reduce the axial shaking of the plug core 5 in the shell 3, and simultaneously avoid damaging the polarization maintaining optical fiber 6 and the plug core 5, as shown in fig. 5, the operation time can be reduced when the optical fiber is aligned, and the operation efficiency is improved.

As shown in fig. 2, the clamper 11 comprises a left clamping head 111 and a right clamping head 112, the left clamping head 111 and the right clamping head 112 are symmetrically arranged at the upper part of the object stage 1, and the front parts of the left clamping head 111 and the right clamping head 112 are respectively matched with the two clamping grooves.

In this embodiment, the centre gripping groove is trapezoidal step, and through-hole 31 is circular through-hole, and constant head tank 33 is the square groove that two symmetries set up, and draw-in groove 32 is the annular, and the material of objective table is the aluminum alloy, and the material of casing 3 is plastics, and casing 3 is for adopting the integrated into one piece technique to make.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The simple clamp for manufacturing the polarization maintaining connector is characterized by comprising an objective table (1) for placing a polarization maintaining optical fiber (6) and a fixing clamp group (2) for fixing a ferrule (5), wherein a clamp holder (11) is arranged on the objective table (1), and the fixing clamp group (2) is detachably connected with the objective table (1) through the clamp holder (11).

2. The simple fixture for manufacturing the polarization maintaining connector according to claim 1, wherein the fixing clamp group (2) comprises a housing (3), clamping grooves are formed in two sides of the housing (3), a through hole (31) is formed in the housing (3), and a positioning mechanism for fixing the ferrule (5) is arranged in the through hole (31); the clamping groove is matched with the clamp (11).

3. The simple fixture for manufacturing the polarization maintaining connector according to claim 2, wherein the positioning mechanism comprises a clamping groove (32) matched with the middle part of the ferrule (5) and a positioning groove (33) matched with the tail handle (52) of the ferrule.

4. The simple fixture for manufacturing the polarization maintaining connector according to claim 2 or 3, wherein one side of the through hole (31) is provided with a sleeve (4) for fixing the ferrule head (51), and the sleeve (4) is detachably connected with the through hole (31).

5. The simple fixture for manufacturing the polarization maintaining connector according to claim 4, wherein the holder (11) comprises a left chuck (111) and a right chuck (112), the left chuck (111) and the right chuck (112) are symmetrically arranged at the upper part of the object stage (1), and the front parts of the left chuck (111) and the right chuck (112) are respectively matched with the two holding grooves; the housing (3) is arranged between the left chuck (111) and the right chuck (112).

6. The simple jig for manufacturing a polarization maintaining connector according to claim 4, wherein the sleeve (4) is a cylindrical sleeve made of silicone material, and the outer diameter of the sleeve (4) is equal to the diameter of the through hole (31), and the inner diameter of the sleeve (4) is equal to the outer diameter of the ferrule head (51).