A quick-change structure of an optical module test fixture

Abstract

The utility model relates to optical module test auxiliary equipment technical field discloses a kind of optical module test fixture quick-change structure, including table board, the top of the table board is provided with four and is symmetrically arranged quick clamping mechanism, the bottom of four quick clamping mechanism is fixedly connected with independent push mechanism, the top of the table board is embedded with the ejection mechanism between four quick clamping mechanism and push mechanism, the outside of the table board is slidably connected with the bottom shell fixedly connected with ejection mechanism bottom;The quick clamping mechanism includes bottom plate, the top of the bottom plate is fixedly connected with push mechanism, and the top of bottom plate is fixedly connected with torsion plate.This optical module test fixture quick-change structure, with independently adjustable quick clamping mechanism, different models of optical module are quickly adapted, flexible clamping is not damaged, and the ejection mechanism is convenient to take out, etc.Advantages, solve the existing fixture replacement cumbersome efficiency, clamping is easy to damage module, sliding component is easy to jam, the problem of inconvenient to take out.

Description

Technical Field

[0001] This utility model relates to the technical field of optical module testing auxiliary equipment, specifically a quick-change structure for optical module testing fixtures, used to quickly clamp, fix, and replace different models of optical modules during the performance testing process after optical module production, thereby improving the testing efficiency of optical modules. Background Technology

[0002] Currently, the fixtures used in optical module testing are mostly integrated clamping structures. These fixtures are typically designed for specific optical module models, and the position and size of their clamping components are fixed, only compatible with a single specification of optical module. When testing optical modules of different sizes and interface layouts, operators need to use tools to disassemble the bolts, clips, and other fastening components on the fixture and replace them with the corresponding clamping accessories. The entire replacement process takes at least 5-10 minutes, severely impacting the overall efficiency of batch testing of optical modules.

[0003] Meanwhile, existing fixtures lack a flexible adjustment mechanism when clamping optical modules, and the clamping force relies entirely on manual control. This can easily lead to situations where excessive clamping force causes deformation of the optical module shell and damage to the interface pins, or insufficient clamping force causes the optical module to loosen during testing, resulting in deviations in test data. In addition, there is no protective structure between the sliding parts of the fixture and the platform, allowing metal shavings and dust generated during testing to easily enter the sliding gap. Long-term accumulation can cause the sliding parts to jam, reducing the lifespan of the fixture. Furthermore, the optical module must be manually removed after testing, which is inconvenient.

[0004] Therefore, a quick-change structure for an optical module test fixture is proposed to solve the above-mentioned problems. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a quick-change structure for optical module testing fixtures. It features an independently adjustable quick-clamping mechanism for rapid adaptation to different models of optical modules, flexible clamping to prevent damage, and an ejection mechanism for convenient component removal. This solves the problems of cumbersome and inefficient fixture replacement, easy damage to modules during clamping, easy jamming of sliding parts, and inconvenient component removal.

[0007] (II) Technical Solution

[0008] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: a quick-change structure for an optical module test fixture, including a platform, the top of the platform is provided with four quick-clamping mechanisms arranged symmetrically, the bottom of each of the four quick-clamping mechanisms is fixedly connected to an independent pushing mechanism, the top of the platform is embedded with an ejection mechanism located between the four quick-clamping mechanisms and the pushing mechanism, and the outer side of the platform is slidably connected with a bottom shell fixedly connected to the bottom of the ejection mechanism;

[0009] The quick-clamping mechanism includes a base plate, the bottom of which is fixedly connected to the top of a pushing mechanism. A torsion plate is fixedly connected to the top of the base plate. Two arc-shaped grooves, symmetrically arranged on both sides of the torsion plate, are opened on the top of the base plate. A mounting plate is fixedly connected to the top of the torsion plate. Two sliding columns, each slidably connected to the inside of one of the two arc-shaped grooves, are fixedly connected to the bottom of the mounting plate. Two fixed shafts, symmetrically arranged, are fixedly connected to the top of the mounting plate. Clamping rods are rotatably connected to the outer sides of both fixed shafts.

[0010] The pushing mechanism is used to push the individual quick clamp mechanism to clamp the optical module. The pushing mechanism is an adaptive mechanism. It can automatically adjust the sliding distance of the slider according to the squeezing force of the optical module on the clamping bar by the rebound tension generated by the change of the second spring from the extended state to the compressed state, thereby adjusting the position of the quick clamp mechanism. There is no need to manually adjust the pushing distance, so as to achieve adaptive clamping of optical modules of different sizes.

[0011] The ejection mechanism includes a top plate, which is embedded in the top of the platform and can slide up and down within the platform. The top surface of the top plate is at the same horizontal line as the top surface of the platform. A push rod is fixedly connected to the bottom of the top plate and to the bottom wall of the inner cavity of the bottom shell. A pressure seat is fixedly connected to the bottom of the platform and to the outside of the push rod. The pressure seat and the bottom wall of the inner cavity of the bottom shell are fixedly connected to the same first spring located outside the push rod.

[0012] The ejection mechanism is used after the test is completed to lift the optical module away from the clamping rods by pressing the platform. When pressing, the platform moves downward, which drives the pressure seat to compress the first spring in the extended state. The bottom shell moves upward relative to the platform, which in turn drives the push rod and the top plate to lift the optical module upward, so that the optical module is separated from the eight clamping rods and the part can be quickly removed. After releasing the press, the first spring returns to the extended state and pushes the platform back to its original position.

[0013] The beneficial effects of this utility model are:

[0014] This optical module test fixture features a quick-change structure with four independent pushing mechanisms. The quick-clamp mechanism adapts to different sizes of optical modules through the compression and rebound of the second spring. A torsion plate and clamping rod work together to achieve flexible clamping, preventing damage to the module. A felt pad intercepts debris, protecting the slide and extending the lifespan of the sliding components. The ejection mechanism ejects the module by pressing the platform to compress the first spring, improving retrieval efficiency. By default, all springs are extended, ensuring initial structural stability. When an optical module is inserted, the second spring compresses to generate clamping force, further simplifying the operation and improving testing efficiency.

[0015] Based on the above technical solution, the present invention can be further improved as follows.

[0016] Furthermore, both sides of the bottom shell are provided with sinking grooves, and both sides of the platform are fixedly connected with pressure plates that are slidably connected to the sinking grooves on the same side. The bottom of the platform is fixedly connected with four positioning mechanisms arranged in a rectangular array outside the four pushing mechanisms. The bottom of the platform is also fixedly connected with two reset mechanisms arranged symmetrically outside the ejection mechanism. Both reset mechanisms are located between the pushing mechanism and the ejection mechanism.

[0017] The beneficial effects of adopting the above-mentioned further solution are that the sink groove provides sliding space for the pressure plate, and the pressure plate embedded in the sink groove can limit the relative sliding stroke between the platform and the bottom shell, preventing the platform from detaching from the bottom shell; the four positioning mechanisms are distributed in a rectangular array, which can accurately position the sliding direction between the platform and the bottom shell, avoiding deviation when the platform is pressed out; the third spring of the two reset mechanisms is in the extended state by default, and the third spring is compressed synchronously when the platform is pressed, and after being released, the third spring returns to the extended state to assist the first spring of the ejection mechanism in pushing the platform to reset, ensuring that the structure quickly returns to the initial state after ejection, which is convenient for the next insertion of the optical module.

[0018] Furthermore, the pushing mechanism includes two fixed plates, both of which are fixedly connected to the bottom of the platform, with one of the fixed plates being close to the inner wall of the bottom shell. A slide rod is fixedly connected between the two fixed plates, and a push plate is slidably connected to the outer side of the slide rod. A connecting plate is fixedly connected to the top of the push plate, and two sliders are fixedly connected to the top of the connecting plate. Both sliders are slidably connected to the interior of the platform, and their tops are fixedly connected to the bottom of the bottom plate on the same side. A second spring located outside the slide rod is fixedly connected between the push plate and the fixed plate close to the inner wall of the bottom shell.

[0019] The beneficial effects of adopting the above-mentioned further solution are that the two fixed plates provide stable support for the slide bar, ensuring that the slide bar slides along a straight line and avoiding deviation when the push mechanism is adaptively adjusted; the push plate drives the slider to move through the connecting plate, thereby driving the quick clamping mechanism to move closer to or away from the optical module, realizing clamping and releasing; the second spring is in the extended state by default, and is compressed to store the rebound tension when the optical module is inserted. After the optical module is removed, it returns to the extended state, automatically pulling the push plate to reset, driving the quick clamping mechanism back to the initial position, preparing for the next adaptive clamping, without the need for manual reset.

[0020] Furthermore, the top of the platform has eight grooves that are adapted to eight sliders respectively. A felt pad located between the platform and the base plate can be laid on the top of the platform. The felt pad is adapted to the slider and can be used to intercept debris falling into the groove.

[0021] The beneficial effects of adopting the above-mentioned further solution are that the eight grooves correspond to the eight sliders respectively, providing the sliders with a precise sliding trajectory, reducing the frictional resistance of the sliders when the push mechanism is adaptively adjusted, and ensuring that the sliders slide smoothly during the compression and extension of the second spring; the felt pad is attached to the top of the platform, which can intercept metal debris and dust generated during the test, preventing them from entering the grooves and causing the sliders to jam, ensuring the stable realization of the adaptive function of the push mechanism, and extending the service life of the fixture.

[0022] Furthermore, the positioning mechanism includes a sleeve and a positioning rod. The sleeve is fixedly connected to the bottom of the platform, the positioning rod is slidably connected to the inside of the sleeve, and the bottom of the positioning rod is fixedly connected to the bottom wall of the inner cavity of the bottom shell.

[0023] The beneficial effect of adopting the above-mentioned further solution is that the sleeve and the positioning rod slide together, which can limit the offset direction of the platform and the bottom shell when they slide up and down relative to each other, ensuring that the push rod of the ejection mechanism always moves in the vertical direction, avoiding the top plate offset causing the optical module to tilt when ejected and fail to disengage smoothly from the clamping rod, while ensuring that the first spring and the third spring are compressed evenly when the platform is pressed, and the reset is smooth when the extended state is restored.

[0024] Furthermore, the reset mechanism includes two positioning rings, which are fixedly connected to the bottom of the platform and the bottom wall of the inner cavity of the bottom shell, respectively. A third spring located between the two positioning rings is fixedly connected between the bottom of the platform and the bottom wall of the inner cavity of the bottom shell.

[0025] The beneficial effect of adopting the above-mentioned further solution is that the two positioning rings can limit the extension and retraction direction of the third spring, preventing the third spring from shifting or twisting during the process of extending, compressing, and then restoring extension; the third spring and the first spring of the ejection mechanism are both in the extended state by default, and are compressed synchronously when the platform is pressed. After being released, they jointly restore the extended state to push the platform back to its original position, ensuring a smooth reset process and avoiding the ejection mechanism from resetting too quickly, which would cause the top plate to impact the platform. At the same time, it quickly restores the top plate to the same level as the top surface of the platform, making it easier to place the optical module between the eight clamping rods next time.

[0026] By default, all springs are in an extended state, that is, the first spring of the ejection mechanism, the second spring of the pushing mechanism, and the third spring of the reset mechanism are all in a naturally extended state. At this time, an initial clamping space is formed between the eight clamping bars, and the top surface of the top plate is flush with the top surface of the platform. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of this utility model;

[0028] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0029] Figure 3This is a partial structural cross-sectional view of the present invention;

[0030] Figure 4 This is an enlarged view of the structure at point A of this utility model.

[0031] In the diagram: 1. Platform; 2. Quick clamping mechanism; 201. Base plate; 202. Torsion plate; 203. Arc groove; 204. Mounting plate; 205. Sliding column; 206. Fixed shaft; 207. Clamping rod; 3. Pushing mechanism; 301. Fixed plate; 302. Slide rod; 303. Push plate; 304. Connecting plate; 305. Slider; 306. Second spring; 4. Ejection mechanism; 401. Top plate; 402. Push rod; 403. Pressure seat; 404. First spring; 5. Bottom shell; 6. Sinking groove; 7. Pressure plate; 8. Positioning mechanism; 801. Sleeve; 802. Positioning rod; 9. Reset mechanism; 901. Positioning ring; 902. Third spring; 10. Slide groove. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] In the embodiments, by Figure 1-4 The present invention provides a quick-change structure for an optical module test fixture. The present invention includes a platform 1, four quick-clamping mechanisms 2 arranged symmetrically on the top of the platform 1, and a push mechanism 3 fixedly connected to the bottom of each of the four quick-clamping mechanisms 2. An ejection mechanism 4 is embedded in the top of the platform 1 between the four quick-clamping mechanisms 2 and the push mechanism 3. A bottom shell 5 is slidably connected to the outside of the platform 1 and fixedly connected to the bottom of the ejection mechanism 4.

[0034] The quick clamping mechanism 2 includes a base plate 201. The bottom of the base plate 201 is fixedly connected to the top of the pushing mechanism 3. A torsion plate 202 is fixedly connected to the top of the base plate 201. Two arc-shaped grooves 203 are symmetrically arranged on both sides of the torsion plate 202. A mounting plate 204 is fixedly connected to the top of the torsion plate 202. Two sliding columns 205 are fixedly connected to the bottom of the mounting plate 204 and are slidably connected to the inside of the two arc-shaped grooves 203 respectively. Two fixed shafts 206 are fixedly connected to the top of the mounting plate 204 and are symmetrically arranged. Clamping rods 207 are rotatably connected to the outer sides of the two fixed shafts 206.

[0035] The pushing mechanism 3 is used to push the separate quick-clamp mechanism 2 to clamp the optical module;

[0036] The ejection mechanism 4 includes a top plate 401, which is embedded in the top of the platform 1 and can slide up and down in the platform 1. The top surface of the top plate 401 is at the same horizontal line as the top surface of the platform 1. The bottom of the top plate 401 is fixedly connected to a push rod 402 which is fixedly connected to the bottom wall of the inner cavity of the bottom shell 5. The bottom of the platform 1 is fixedly connected to a pressure seat 403 which is slidably connected to the outside of the push rod 402. The pressure seat 403 and the bottom wall of the inner cavity of the bottom shell 5 are fixedly connected to the same first spring 404 which is located outside the push rod 402.

[0037] Both sides of the bottom shell 5 are provided with sinking grooves 6. Both sides of the platform 1 are fixedly connected with pressure plates 7 that are slidably connected to the sinking grooves 6 on the same side. The bottom of the platform 1 is fixedly connected with four positioning mechanisms 8 arranged in a rectangular array outside the four pushing mechanisms 3. The bottom of the platform 1 is also fixedly connected with two reset mechanisms 9 arranged symmetrically outside the ejection mechanism 4. Both reset mechanisms 9 are located between the pushing mechanism 3 and the ejection mechanism 4.

[0038] The recessed groove 6 provides sliding space for the pressure plate 7. The pressure plate 7 is embedded in the recessed groove 6, which can limit the relative sliding stroke of the platform 1 and the bottom shell 5 and prevent the platform 1 from detaching from the bottom shell 5. The four positioning mechanisms 8 are arranged in a rectangular array, which can accurately position the sliding direction of the platform 1 and the bottom shell 5 to avoid displacement when the platform 1 is pushed out. The third spring 902 of the two reset mechanisms 9 is in the extended state by default. When the platform 1 is pressed, the third spring 902 is compressed simultaneously. After being released, the third spring 902 returns to the extended state to assist the first spring 404 of the ejection mechanism 4 in pushing the platform 1 to reset, ensuring that the structure quickly returns to the initial state after being ejected, which is convenient for the next insertion of the optical module.

[0039] The pushing mechanism 3 includes two fixed plates 301, both of which are fixedly connected to the bottom of the platform 1. One of the fixed plates 301 is close to the inner wall of the bottom shell 5. The two fixed plates 301 are fixedly connected to the same slide rod 302. The outside of the slide rod 302 is slidably connected to a push plate 303. The top of the push plate 303 is fixedly connected to a connecting plate 304. The top of the connecting plate 304 is fixedly connected to two sliders 305. The two sliders 305 are slidably connected to the inside of the platform 1 and their tops are fixedly connected to the bottom of the bottom plate 201 on the same side. The push plate 303 and the fixed plate 301 close to the inner wall of the bottom shell 5 are fixedly connected to the same second spring 306 located outside the slide rod 302.

[0040] Two fixed plates 301 provide stable support for the slide bar 302, which ensures that the push plate 303 slides in a straight line, preventing the push mechanism 3 from deviating during adaptive adjustment. The push plate 303 drives the slider 305 to move through the connecting plate 304, thereby driving the quick clamping mechanism 2 to move closer to or away from the optical module, realizing clamping and releasing. The second spring 306 is in the extended state by default. When the optical module is inserted, it is compressed to store the rebound tension. After the optical module is removed, it returns to the extended state, automatically pulling the push plate 303 to reset, driving the quick clamping mechanism 2 back to the initial position, preparing for the next adaptive clamping, without the need for manual reset.

[0041] The top of the platform 1 has eight grooves 10 that are adapted to eight sliders 305 respectively. A felt pad located between the platform 1 and the base plate 201 can be laid on the top of the platform 1. The felt pad is adapted to the sliders 305 and can be used to intercept debris falling into the grooves 10.

[0042] The eight grooves 10 correspond to the eight sliders 305 respectively, providing a precise sliding trajectory for the sliders 305, reducing the frictional resistance of the sliders 305 when the push mechanism 3 is adaptively adjusted, and ensuring that the sliders 305 slide smoothly during the compression and extension of the second spring 306; the felt pad is attached to the top of the platform 1, which can intercept metal debris and dust generated during the test, preventing them from entering the grooves 10 and causing the sliders 305 to get stuck, ensuring the stable realization of the adaptive function of the push mechanism 3, and extending the service life of the fixture;

[0043] The positioning mechanism 8 includes a sleeve 801 and a positioning rod 802. The sleeve 801 is fixedly connected to the bottom of the platform 1, the positioning rod 802 is slidably connected to the inside of the sleeve 801, and the bottom of the positioning rod 802 is fixedly connected to the bottom wall of the inner cavity of the bottom shell 5.

[0044] The sleeve 801 and the positioning rod 802 are slidably engaged, which can limit the offset direction of the platform 1 and the bottom shell 5 when they slide up and down relative to each other, ensuring that the push rod 402 of the ejection mechanism 4 always moves in the vertical direction, avoiding the offset of the top plate 401, which would cause the optical module to tilt when ejected and fail to disengage smoothly from the clamping rod 207. At the same time, it ensures that the first spring 404 and the third spring 902 are evenly compressed when the platform 1 is pressed, and the reset is smooth when the extended state is restored.

[0045] The reset mechanism 9 includes two positioning rings 901. The two positioning rings 901 are fixedly connected to the bottom of the platform 1 and the bottom wall of the inner cavity of the bottom shell 5, respectively. A third spring 902 located between the two positioning rings 901 is fixedly connected between the bottom of the platform 1 and the bottom wall of the inner cavity of the bottom shell 5.

[0046] The two positioning rings 901 can limit the extension and retraction direction of the third spring 902, preventing the third spring 902 from shifting or twisting during the process of extending, compressing, and then restoring its extension. The third spring 902 and the first spring 404 of the ejection mechanism 4 are both in the extended state by default. When pressing the platform 1, they are compressed synchronously. After being released, they jointly restore the extended state and push the platform 1 to reset, ensuring a smooth reset process and avoiding the ejection mechanism 4 from resetting too quickly, which would cause the top plate 401 to impact the platform 1. At the same time, the top plate 401 is quickly restored to a state where it is flush with the top surface of the platform 1, which is convenient for the next optical module to be placed between the eight clamping rods 207.

[0047] In the default state, all springs are in the extended state, that is, the first spring 404 of the ejection mechanism 4, the second spring 306 of the push mechanism 3, and the third spring 902 of the reset mechanism 9 are all in the naturally extended state. At this time, the initial clamping space is formed between the eight clamping rods 207, and the top surface of the top plate 401 is flush with the top surface of the platform 1.

[0048] Working principle:

[0049] Step 1: Initial State Preparation. In the default state, the first spring 404 of the ejection mechanism 4, the second spring 306 of the pushing mechanism 3, and the third spring 902 of the reset mechanism 9 are all in the extended state, forming an initial clamping space between the eight clamping rods 207. The top surface of the top plate 401 is flush with the top surface of the platform 1. The optical module to be tested is directly placed between the eight clamping rods 207. The optical module, through its own squeezing force on the clamping rods 207, pushes the clamping rods 207 to rotate around the fixed axis 206, while simultaneously causing the sliding column 205 at the bottom of the mounting plate 204 to slide along the arc groove 203, and the torsion plate 20... 2. Elastic deformation occurs; the mounting plate 204 drives the base plate 201 to move away from the optical module. The base plate 201 drives the slider 305 of the pushing mechanism 3 to slide along the slide groove 10. The slider 305 pushes the push plate 303 to slide along the slide rod 302 through the connecting plate 304, so that the second spring 306 in the extended state is compressed. The rebound tension generated by the second spring 306 is transmitted to the quick clamping mechanism 2 through the push plate 303, the connecting plate 304, and the slider 305, so that the eight clamping rods 207 are in contact with the surface of the optical module. The pushing mechanism 3 adaptively adjusts the sliding distance of the slider 305 to complete the automatic clamping.

[0050] Step 2: After the optical module is stably clamped, the testing equipment is started to test the optical and electrical performance of the optical module. During the test, the felt pad intercepts the debris and dust generated to prevent them from entering the slide groove 10 and affecting the sliding of the slider 305, and to ensure that the second spring 306 is in a stable compressed state.

[0051] Step 3: After the test is completed, press down on the platform 1. The pressure plates 7 on both sides of the platform 1 slide along the recessed groove 6 of the bottom shell 5. The platform 1 drives the pressure seat 403 to compress the first spring 404 in the extended state. At the same time, the sleeve 801 at the bottom of the platform 1 slides along the positioning rod 802. The third spring 902 in the reset mechanism 9 in the extended state is compressed synchronously. The bottom shell 5 moves upward relative to the platform 1, driving the top rod 402 and the top plate 401 to lift the optical module upward, so that the optical module is separated from the eight clamping rods 207. Release the pressure on the platform 1. The first spring 404 and the third spring 902 return to the extended state and jointly push the platform 1 to reset. The second spring 306 returns to the extended state and pulls the push plate 303, the slider 305, and the quick clamping mechanism 2 back to the initial position. Take out the optical module and complete one test process.

[0052] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0053] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-change structure for an optical module test fixture, comprising a platform (1), characterized in that: The top of the platform (1) is provided with four quick clamping mechanisms (2) arranged symmetrically. The bottom of each of the four quick clamping mechanisms (2) is fixedly connected to an independent pushing mechanism (3). The top of the platform (1) is provided with an ejection mechanism (4) located between the four quick clamping mechanisms (2) and the pushing mechanism (3). The outer side of the platform (1) is slidably connected to a bottom shell (5) fixedly connected to the bottom of the ejection mechanism (4). The quick clamping mechanism (2) includes a base plate (201), the bottom of which is fixedly connected to the top of the pushing mechanism (3), and a torsion plate (202) fixedly connected to the top of the base plate (201). The top of the base plate (201) has two arc-shaped grooves (203) symmetrically arranged on both sides of the torsion plate (202). The top of the torsion plate (202) is fixedly connected to a mounting plate (204). The bottom of the mounting plate (204) is fixedly connected to two sliding columns (205) that are slidably connected to the two arc-shaped grooves (203). The top of the mounting plate (204) is fixedly connected to two fixed shafts (206) symmetrically arranged. Clamping rods (207) are rotatably connected to the outer sides of the two fixed shafts (206). The pushing mechanism (3) is used to push the separate quick-clamp mechanism (2) to clamp the optical module; The ejection mechanism (4) includes a top plate (401), which is embedded in the top of the platform (1) and can slide up and down in the platform (1). The top surface of the top plate (401) is at the same horizontal line as the top surface of the platform (1). The bottom of the top plate (401) is fixedly connected to a top rod (402) which is fixedly connected to the bottom wall of the inner cavity of the bottom shell (5). The bottom of the platform (1) is fixedly connected to a pressure seat (403) which is slidably connected to the outside of the top rod (402). The pressure seat (403) and the bottom wall of the inner cavity of the bottom shell (5) are fixedly connected to the same first spring (404) located outside the top rod (402).

2. The quick-change structure of the optical module test fixture according to claim 1, characterized in that: The bottom shell (5) has sinking grooves (6) on both sides. The platform (1) has pressure plates (7) that are slidably connected to the sinking grooves (6) on both sides. The bottom of the platform (1) has four positioning mechanisms (8) arranged in a rectangular array outside the four pushing mechanisms (3). The bottom of the platform (1) also has two reset mechanisms (9) arranged symmetrically outside the ejection mechanism (4). The two reset mechanisms (9) are located between the pushing mechanism (3) and the ejection mechanism (4).

3. The quick-change structure of the optical module test fixture according to claim 1, characterized in that: The pushing mechanism (3) includes two fixed plates (301), both fixed plates (301) are fixedly connected to the bottom of the platform (1), and one of the fixed plates (301) is close to the inner wall of the bottom shell (5). The two fixed plates (301) are fixedly connected to the same slide rod (302). The slide rod (302) is slidably connected to the outside of the slide rod (302). The top of the push plate (303) is fixedly connected to the connecting plate (304). The top of the connecting plate (304) is fixedly connected to two sliders (305). The two sliders (305) are slidably connected to the inside of the platform (1) and their tops are fixedly connected to the bottom of the bottom plate (201) on the same side. The push plate (303) and the fixed plate (301) close to the inner wall of the bottom shell (5) are fixedly connected to the same second spring (306) located outside the slide rod (302).

4. The quick-change structure of the optical module test fixture according to claim 3, characterized in that: The top of the platform (1) has eight grooves (10) that are adapted to eight sliders (305). A felt pad located between the platform (1) and the bottom plate (201) can be laid on the top of the platform (1). The felt pad is adapted to the slider (305) and can be used to intercept debris falling into the groove (10).

5. The quick-change structure of an optical module test fixture according to claim 2, characterized in that: The positioning mechanism (8) includes a sleeve (801) and a positioning rod (802). The sleeve (801) is fixedly connected to the bottom of the platform (1), and the positioning rod (802) is slidably connected to the inside of the sleeve (801). The bottom of the positioning rod (802) is fixedly connected to the bottom wall of the inner cavity of the bottom shell (5).

6. The quick-change structure of an optical module test fixture according to claim 2, characterized in that: The reset mechanism (9) includes two positioning rings (901), which are fixedly connected to the bottom of the platform (1) and the inner wall of the bottom shell (5), respectively. A third spring (902) is fixedly connected between the bottom of the platform (1) and the inner wall of the bottom shell (5) and located between the two positioning rings (901).

Images