Optical fiber coupler test tool

By designing a test fixture for fiber optic couplers and using a water tank and sponge block structure to evaluate the waterproofness of fiber optic couplers, the problem of existing test fixtures being unable to evaluate waterproofness is solved, and a simple waterproofness test is achieved.

CN224095332UActive Publication Date: 2026-04-07SHANDONG RAYFEN OPTICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-22
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing fiber optic coupler testing fixtures lack waterproof performance testing capabilities, making it impossible to effectively assess the waterproofness of fiber optic couplers.

Method used

A test fixture for fiber optic couplers was designed, comprising a test platform, a water tank, a support column, a positioning sleeve, a clamping plate, and a sponge block structure. The waterproofness of the fiber optic coupler is evaluated by immersing it in water and checking the dryness of the sponge block.

Benefits of technology

This provides a simple and effective way to test the waterproofness of fiber optic couplers, suitable for manufacturing and use.

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    Figure CN224095332U_ABST
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Abstract

The utility model belongs to the field of optical fiber coupler testing, and relates to an optical fiber coupler testing tool which comprises a testing table, a water tank is arranged on the testing table, a supporting column is arranged in the water tank, a plurality of first positioning holes are formed in the supporting column, a positioning sleeve is connected outside the supporting column in a sleeved mode, and a plurality of second positioning holes are formed in the positioning sleeve. The positioning sleeve is provided with a second positioning hole corresponding to the first positioning hole, a positioning pin is connected between the positioning sleeve and the supporting column, the positioning sleeve is connected with a support, the support is provided with a first clamping plate and a supporting seat, the supporting seat is in threaded connection with a screw rod, and the end, close to the first clamping plate, of the screw rod is rotationally connected with a second clamping plate. An optical fiber clamping unit is further arranged on the test board, an optical fiber is clamped by the optical fiber clamping unit, the optical fiber is connected with an optical fiber plug, a groove is formed in the end, away from the optical fiber, of the optical fiber plug, and a sponge block is arranged in the groove.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of optical fiber coupler test, and relates to an optical fiber coupler test tool. BACKGROUND

[0002] The optical fiber coupler is a device for detachable (movable) connection between optical fibers, which precisely butts two end faces of the optical fiber to maximize the coupling of the light energy output by the transmitting optical fiber into the receiving optical fiber and minimize the influence of the intervening optical link on the system.

[0003] The application file with the application number CN202122889708.5 discloses a waterproof and corrosion-resistant optical fiber coupler. The application file with the application number CN202320994665.3 discloses an optical fiber coupler test tool, but the optical fiber coupler test tool does not have the function of testing the waterproof performance of the optical fiber coupler, and therefore there is an urgent need to develop a test tool capable of testing the waterproof performance of the optical fiber coupler. UTILITY MODEL CONTENT

[0004] The utility model discloses to the above -mentioned problem that the waterproof type optical fiber coupler lacks testing arrangement, provides a kind of optical fiber coupler test tool of test waterproofness.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme that a kind of optical fiber coupler test tool, including test table, the test table is provided with water tank, the water tank is provided with support column, the support column is provided with a plurality of first positioning hole, the support column is sleeved with positioning sleeve pipe, the positioning sleeve pipe is provided with second positioning hole corresponding first positioning hole, positioning pin is connected between the positioning sleeve pipe and support column, the positioning sleeve pipe is connected with support, first clamping plate and support seat are provided on the support, the support seat is screw-connected with screw rod, the second clamping plate is rotatably connected to the end of screw rod close to first clamping plate, optical fiber line clamping unit is also provided on the test table, the optical fiber line clamping unit clamps optical fiber line, the optical fiber line is connected with optical fiber plug, the end of optical fiber plug away from optical fiber line is provided with recess, sponge block is provided in the recess.

[0006] As preferred, the optical fiber line clamping unit includes an upper pressing roller structure and a lower pressing roller structure, both of which include a first base, the first base is rotatably connected with a roller shaft, and the roller shaft side surface is provided with a clamping groove.

[0007] As preferred, the upper pressing roller structure is slidingly connected with a second base, the upper pressing roller structure upper end is connected with a horizontal plate, the horizontal plate is screw-connected with a positioning bolt, and the positioning bolt lower end is rotatably connected with the second base.

[0008] Preferably, the sponge block cross-section is H-shaped.

[0009] Compared with the prior art, the utility model has the advantages and positive effects that:

[0010] The first clamping plate and the second clamping plate clamp the optical fiber coupler, and the optical fiber coupler is lowered into the water tank by the support, the support is lifted after soaking in the water tank for a predetermined time, the optical fiber coupler is taken out, the optical fiber plug on the end face of the optical fiber coupler is pulled out, the dryness of the sponge block in the optical fiber plug is checked, and the waterproofness of the optical fiber coupler is judged.

[0011] The utility model discloses simple structure, easy to manufacture is suitable for using. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing of a simple introduction, obviously, the following description in the drawing is some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0013] Figure 1 It is a kind of optical fiber coupler test tool structure schematic diagram;

[0014] Figure 2 It is the structure schematic diagram of optical fiber line clamping unit;

[0015] Figure 3 It is the structure schematic diagram of optical fiber plug.

[0016] In the above drawings, 1, test table;2, water tank;3, support column;31, first positioning hole;4, positioning sleeve;41, positioning pin;5, support;51, first clamping plate;52, support seat;53, screw;6, optical fiber coupler;7, optical fiber line clamping unit;71, upper pressure roller structure;72, lower pressure roller structure;73, first base;74, roller shaft;75, clamping groove;76, second base;77, cross plate;78, positioning bolt;8, optical fiber line;9, optical fiber plug;91, recess;92, sponge block. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the following will be further explained to the utility model by combining with the drawings and embodiments.It needs to be explained that, in the case of not conflicting, the embodiment of the present application and the features in the embodiment can be combined mutually.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0019] like Figure 1 , Figure 2 , Figure 3 As shown, a test fixture for an optical fiber coupler 6 includes a test platform 1. To test the waterproofness of the optical fiber coupler 6, the test platform 1 is equipped with a water tank 2. A support column 3 is installed inside the water tank 2. The support column 3 has several first positioning holes 31. A positioning sleeve 4 is fitted over the support column 3. The positioning sleeve 4 has second positioning holes corresponding to the first positioning holes 31. A positioning pin 41 connects the positioning sleeve 4 to the support column 3. By pulling out the positioning pin 41, the positioning sleeve 4 slides up and down along the support column 3 to adjust its height. Once moved to a predetermined position, the positioning pin 41 is inserted again to position it. The positioning sleeve 4 is connected to a bracket 5, on which a first clamp is installed. Plate 51 and support base 52 are connected by a screw 53. The end of the screw 53 near the first clamping plate 51 is rotatably connected to a second clamping plate. By rotating the screw 53, the second clamping plate can be moved closer to or away from the first clamping plate 51. When the second clamping plate is close to the first clamping plate 51, the fiber optic coupler 6 can be clamped. The test bench 1 is also equipped with a fiber optic cable 8 clamping unit 7, which clamps the fiber optic cable 8. The fiber optic cable 8 is connected to a fiber optic plug 9. The end of the fiber optic plug 9 away from the fiber optic cable 8 is provided with a groove 91. A sponge block 92 is provided in the groove 91. Due to the obstruction of the sponge block 92, the optical path between the fiber optic plug 9 and the fiber optic coupler 6 is blocked.

[0020] Specifically, the method of using this utility model is as follows: rotate the screw 53 to clamp the fiber optic coupler 6 between the first clamping plate 51 and the second clamping plate, insert the fiber optic plug 9 from both ends of the fiber optic coupler 6, then pull out the pin to lower the bracket 5, thereby immersing the fiber optic coupler 6 into the water tank 2. After soaking for a predetermined time, remove the fiber optic coupler 6 and pull out the fiber optic plug 9, and check the dryness of the sponge block 92 inside the fiber optic plug 9.

[0021] Furthermore, the fiber optic cable 8 clamping unit 7 includes an upper pressure roller structure 71 and a lower pressure roller structure 72. Both the upper pressure roller structure 71 and the lower pressure roller structure 72 include a first base 73. The first base 73 is rotatably connected to a roller shaft 74. A slot 75 is provided on the side surface of the roller shaft 74. The fiber optic cable 8 can be connected to the slot 75. Therefore, the upper pressure roller structure 71 and the lower pressure roller structure 72 can clamp and position the fiber optic cable 8.

[0022] Furthermore, the upper pressure roller structure 71 is slidably connected to the second base 76, and the upper end of the upper pressure roller structure 71 is connected to the horizontal plate 77. The horizontal plate 77 is positioned above the second base 76, and the horizontal plate 77 is threadedly connected to the positioning bolt 78. The lower end of the positioning bolt 78 is rotatably connected to the second base 76. Therefore, by rotating the positioning bolt 78, the upper pressure roller structure 71 can move up and down to accommodate optical fiber lines 8 of different diameters.

[0023] Furthermore, the cross-section of the sponge block 92 is H-shaped.

[0024] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A test fixture for fiber optic couplers, comprising a test bench, characterized in that, The test bench is equipped with a water tank, and a support column is installed inside the water tank. The support column has several first positioning holes, and a positioning sleeve is fitted over the support column. The positioning sleeve has a second positioning hole corresponding to the first positioning hole. A positioning pin connects the positioning sleeve and the support column. A bracket is connected to the positioning sleeve. A first clamping plate and a support base are installed on the bracket. A screw is threadedly connected to the support base. The end of the screw near the first clamping plate is rotatably connected to a second clamping plate. The test bench is also equipped with an optical fiber clamping unit. The optical fiber clamping unit clamps an optical fiber. The optical fiber is connected to an optical fiber plug. A groove is provided at the end of the optical fiber plug away from the optical fiber. A sponge block is placed in the groove.

2. The fiber optic coupler testing fixture according to claim 1, characterized in that, The fiber optic clamping unit includes an upper pressure roller structure and a lower pressure roller structure. Both the upper and lower pressure roller structures include a first base. The first base is rotatably connected to a roller shaft, and a slot is provided on the side surface of the roller shaft.

3. The fiber optic coupler testing fixture according to claim 2, characterized in that, The upper pressure roller structure is slidably connected to a second base, and a horizontal plate is connected to the upper end of the upper pressure roller structure. The horizontal plate is threadedly connected to a positioning bolt, and the lower end of the positioning bolt is rotatably connected to the second base.

4. The fiber optic coupler testing fixture according to claim 1, characterized in that, The cross-section of the sponge block is H-shaped.

Citation Information

Patent Citations

  • Waterproof and corrosion-resistant optical fiber coupler

    CN216792503U

  • Optical fiber coupler test tool

    CN219830270U