Test fixture for optical communication device

Abstract

The utility model relates to the technical field of optical communication testing, in particular to a testing clamp of an optical communication device, which comprises a support frame, a bottom plate is fixedly mounted on one side of the support frame, a movable groove is further arranged on one side of the support frame, a movable push plate is sleeved in the movable groove, and a clamping assembly is fixedly mounted on one side of the movable push plate. The clamping assembly comprises a connecting rod fixedly installed on one side of the movable push plate, multiple sets of movable clamping pieces are fixedly installed on one side of the connecting rod, grooves are formed in the two ends of the connecting rod respectively, rotating shafts are installed in the grooves, pulleys are arranged on the rotating shafts in a sleeving mode, a fixed clamping piece is fixedly installed on one side of the bottom plate, and a locking block and a fixed column are fixedly installed on one side of the base plate. A threaded strip is movably installed on the outer side of the locking block, a gear is fixedly installed on one side of the threaded strip, and a linkage gear is rotationally installed on the outer side of the fixing column. Compared with the prior art, the testing clamp can adapt to optical communication devices of different sizes, and the clamping force, the retention force and the flexibility of the testing clamp are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical communication testing, in particular to a testing fixture for an optical communication device. Background Art

[0002] Optical communication devices refer to electronic devices or components used in optical communication systems, devices used to send, receive and process optical signals (such as optical fibers, optical modules, etc.). The test clamps for optical communication devices are special fixtures used to test and evaluate the performance of optical communication devices. The test fixtures need to be able to firmly clamp the optical communication devices to ensure that the position and angle of the devices are stable during the test, thereby reducing the error of the test results.

[0003] In the prior art, a Chinese patent document with publication number CN212721984U discloses a test fixture for optical communication devices, and proposes a PCB board, a plurality of test sockets welded on the PCB board, a support plate, a mounting plate and a cover plate, wherein the support plate, the mounting plate and the cover plate are stacked in sequence on top of the PCB board, the support plate is provided with a through hole for the upper end of the test socket to pass through, a device to be tested is installed between the mounting plate and the cover plate, the lower end of the device to be tested passes through the mounting plate and is electrically connected to the test socket, and a heating plate is provided between the support plate and the mounting plate. Although the structural design is ingenious and the test efficiency of the device is improved, it is consistent with the traditional method that in the traditional test clamp, the test samples are usually based on specific sizes and shapes, which means that if optical communication devices of different sizes are to be tested, a new test fixture needs to be designed and manufactured for each size, and this customized process may be very time-consuming, labor-intensive and expensive, and cannot provide accurate and repeatable clamping and positioning, which will lead to inaccuracy and instability in the test results. Utility Model Content

[0004] In view of this, the purpose of the present invention is to provide a test fixture for optical communication devices to solve the problem that optical communication devices of various sizes cannot be stably clamped.

[0005] Based on the above purpose, the utility model provides a test fixture for optical communication devices, including a base plate, a support frame is fixedly installed on one side of the base plate, a sliding groove is further provided on the inner side of the support frame, a movable push plate is sleeved in the sliding groove, a clamping assembly is fixedly installed on one side of the movable push plate, the clamping assembly includes multiple groups of connecting rods fixedly installed on one side of the movable push plate, multiple groups of movable clips are fixedly installed on one side of the multiple groups of connecting rods, and grooves are respectively provided at both ends of the multiple groups of connecting rods, a rotating shaft is installed in the groove body, a pulley is sleeved on the rotating shaft, sliding grooves matching with the pulleys are respectively provided at both ends of the base plate, and a fixed clip corresponding to the movable clip is fixedly installed on one side of the base plate;

[0006] A base plate is installed on one side of the support frame, a locking block and a fixed column corresponding to the movable clip and the fixed clip are fixedly installed on one side of the base plate, a threaded strip is movably installed on the outer side of the locking block, a gear is fixedly installed on one side of the threaded strip, a linkage gear used to match the gear is rotatably installed on the outer side of the fixed column, and a plurality of groups of teeth adapted to the gear are fixedly installed on one side of the movable push plate;

[0007] A limiting component is installed at one end of the support frame, and the limiting component is used to limit and fix the clamping component.

[0008] Preferably, the limiting assembly includes a movable groove opened at one end of the support frame, movable holes of the same size are respectively opened on both sides of the movable groove, a limiting column is sleeved in the movable hole, a connecting ring is fixedly installed on one end of the limiting column, a spring is fixedly installed on one side of the connecting ring, one end of the spring is fixedly installed on one side of the movable groove, and a plurality of groups of limiting holes adapted to the limiting column are opened at one end of the movable push plate.

[0009] Preferably, a spiral groove is provided on the outer side of the locking block, the threaded strip is matched with the spiral groove, and a limit plate is fixedly installed on the bottom end of the locking block.

[0010] Preferably, the base plate and the bottom plate are correspondingly provided with device through holes, and the device through holes are consistent with the central axes of the locking block, the movable clip and the fixed clip.

[0011] Preferably, a push spring is fixedly mounted on one end of the movable push plate, and one end of the push spring is fixedly mounted on one side of the support frame.

[0012] Preferably, the width of the slide groove is the same as that of the pulley.

[0013] Preferably, the substrate and the bottom plate are both made of carbon fiber composite materials.

[0014] Preferably, one end of the limiting column corresponding to the limiting hole is in a bevel shape.

[0015] Beneficial effects of the utility model:

[0016] 1. This kind of test fixture for optical communication devices can achieve precise clamping and stable support of optical communication devices by setting up the optical communication device test fixture system and adjusting the position of the movable push plate. The clamping force between the movable clamp and the fixed clamp can be precisely adjusted by controlling the position of the movable push plate to meet the test requirements of different types of devices. At the same time, the locking block provides a stable retention effect. The clamping force can be quickly adjusted and operated by adjusting the position of the movable push plate. The operation is simple and fast, saving time and labor costs, which makes the test clamp very valuable in scenarios where a large number of tests are performed or the clamping force needs to be adjusted frequently. In addition, the fixture system adapts to devices of different sizes and provides flexible clamping force adjustment, thereby meeting the test needs of optical communication devices and improving the efficiency and accuracy of the test.

[0017] 2. The test fixture of the optical communication device can realize accurate limiting of the movable push plate 10 by setting a limiting column. When the movable push plate is pushed to one side, one end of the limiting column will bounce into the limiting hole under the elastic force of the spring. In addition, when the limiting column is pulled, the push plate will return to the position before the operation under the force of the push spring, and the limiting of the test device can be released. In this way, the operation process is simplified, the limiting and releasing of the test device are more convenient and convenient, and greater flexibility and adaptability are provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0022] Figure 4 It is a schematic diagram of the local structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the threaded strip of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the limit assembly of the utility model.

[0025] The markings in the figure are:

[0026] 1. Base plate; 2. Support frame; 3. Bottom plate; 4. Slide groove; 5. Connecting rod; 6. Pulley; 7. Movable clip; 8. Fixed clip; 9. Row of teeth; 10. Movable push plate; 11. Locking block; 12. Gear; 13. Threaded strip; 14. Fixed column; 15. Linkage gear; 16. Limiting hole; 17. Movable groove; 18. Limiting column; 19. Connecting ring; 20. Spring; 21. Push spring. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0028] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0029] like Figures 1 to 6As shown, a test fixture for an optical communication device comprises a base plate 3, a support frame 2 is fixedly installed on one side of the base plate 3, a sliding groove is further provided on the inner side of the support frame 2, a movable push plate 10 is sleeved in the sliding groove, a clamping assembly is fixedly installed on one side of the movable push plate 10, and the clamping assembly comprises a plurality of connecting rods 5 fixedly installed on one side of the movable push plate 10, a plurality of movable clips 7 are fixedly installed on one side of the plurality of connecting rods 5, and a groove body is respectively provided at both ends of the plurality of connecting rods 5, a rotating shaft is installed in the groove body, a pulley 6 is sleeved on the rotating shaft, a sliding groove 4 cooperating with the pulley 6 is respectively provided at both ends of the base plate 3, a fixed clip 8 corresponding to the movable clip 7 and clamped is fixedly installed on one side of the base plate 3; the width of the sliding groove 4 is the same as that of the pulley 6, by setting the movable push plate 10, when the pulley 6 on the connecting rod 5 is driven to move in the sliding groove 4, the movable clip 7 fixed on the connecting rod 5 will move toward the fixed clip 8 side, and by adjusting the movable push plate 10 The position of the movable push plate 10 can accurately control the clamping force between the movable clamp 7 and the fixed clamp 8, and clamp the required optical communication device. In this way, the optical communication device can be accurately clamped and stably supported. By adjusting the position of the movable push plate 10, it is easy to adapt to the clamping requirements of different devices to ensure its stability and reliability. In addition, by controlling the clamping force between the movable clamp 7 and the fixed clamp 8, the clamping force can be accurately adjusted to meet the test requirements of different types of devices. The test fixture also has the advantages of simple and fast operation. By adjusting the position of the movable push plate 10, the clamping force can be quickly adjusted and operated, saving time and labor costs. This is very valuable for scenarios with large-scale tests or frequent adjustments to the clamping force. Therefore, the test fixture of the optical communication device can achieve precise clamping and stable support, adapt to devices of different sizes, and provide flexible clamping force adjustment, thereby meeting the testing needs of optical communication devices and improving the efficiency and accuracy of the test.

[0030] A base plate 1 is installed on one side of the support frame 2, and a locking block 11 and a fixing column 14 corresponding to the movable clip 7 and the fixed clip 8 are fixedly installed on one side of the base plate 1. A threaded strip 13 is movably installed on the outer side of the locking block 11, and a gear 12 is fixedly installed on one side of the threaded strip 13. A linkage gear 15 used to cooperate with the gear 12 is rotatably installed on the outer side of the fixing column 14. A plurality of groups of teeth 9 adapted to the gear 12 are fixedly installed on one side of the movable push plate 10. A limiting component is installed on one end of the support frame 2, and the limiting component is used to limit and fix the clamping component. A spiral groove is opened on the outer side of the locking block 11, and the threaded strip 13 is adapted to the spiral groove. , and a limit plate is fixedly installed at the bottom end of the locking block 11. When the row of teeth 9 is driven to move by the movable push plate 10, the gear 12 will also rotate under the drive of the row of teeth 9. At the same time, the rotating threaded bar 13 will also screw in along the spiral groove toward one side of the locking block 11, so as to adjust the rotation of the gear 12, thereby driving the movement of the linkage gear 15. By adjusting the moving distance of the movable push plate 10, the movement of the gear 12 and the linkage gear 15 can be adjusted, thereby adjusting the retention force of the locking block 11, which can adapt to the needs of different optical communication devices and realize accurate position adjustment and retention control, so that the test of optical communication devices is more flexible, accurate and reliable, meets the test needs of different devices, and improves the accuracy and reliability of the test.

[0031] like Figure 1 , Figure 6 As shown, the limiting assembly includes a movable groove 17 opened at one end of the support frame 2, and movable holes of the same size are respectively opened on both sides of the movable groove 17, and a limiting column 18 is sleeved in the movable hole. A connecting ring 19 is fixedly installed at one end of the limiting column 18, and a spring 20 is fixedly installed on one side of the connecting ring 19. One end of the spring 20 is fixedly installed on one side of the movable groove 17, and a plurality of limiting holes 16 adapted to the limiting column 18 are opened at one end of the movable push plate 10. A push spring 21 is fixedly installed at one end of the movable push plate 10, and one end of the push spring 21 is fixedly installed on the support On one side of the frame 2, one end of the limit column 18 corresponding to the limit hole 16 is in an inclined shape. By setting the limit column 18, accurate limiting of the movable push plate 10 can be achieved. When the movable push plate 10 is pushed to one side, one end of the limit column 18 will bounce into the limit hole 16 under the elastic force of the spring 20. In addition, when the limit column 18 is pulled, the push plate 10 will return to the position before the operation under the action of the push spring 21, and the limiting of the test device can be released. In this way, the operation process is simplified, the limiting and releasing of the test device are more convenient and convenient, and greater flexibility and adaptability are provided.

[0032] like Figure 1 , Figure 2 and Figure 3As shown, the materials of the substrate 1 and the bottom plate 3 are both carbon fiber composite materials. By making the materials of the substrate 1 and the bottom plate 3 both carbon fiber composite materials, because the carbon fiber composite material is composed of carbon fiber and resin matrix, it has extremely high strength and rigidity, and at the same time is very light, providing excellent mechanical properties and anti-vibration performance.

[0033] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0034] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A test fixture for an optical communication device, characterized in that: include: A bottom plate (3), a support frame (2) is fixedly installed on one side of the bottom plate (3), a sliding groove is also provided on the inner side of the support frame (2), a movable push plate (10) is sleeved in the sliding groove, a clamping assembly is fixedly installed on one side of the movable push plate (10), and the clamping assembly comprises a plurality of connecting rods (5) fixedly installed on one side of the movable push plate (10), a plurality of movable clamping pieces (7) are fixedly installed on one side of the plurality of connecting rods (5), and a groove body is respectively provided at both ends of the plurality of connecting rods (5), a rotating shaft is installed in the groove body, a pulley (6) is sleeved on the rotating shaft, a sliding groove (4) matched with the pulley (6) is respectively provided at both ends of the bottom plate (3), and a fixed clamping piece (8) corresponding to the movable clamping piece (7) is fixedly installed on one side of the bottom plate (3); A base plate (1) is installed on one side of the support frame (2); a locking block (11) and a fixing column (14) corresponding to the movable clamp (7) and the fixing clamp (8) are fixedly installed on one side of the base plate (1); a threaded strip (13) is movably installed on the outer side of the locking block (11); a gear (12) is fixedly installed on one side of the threaded strip (13); a linkage gear (15) used in conjunction with the gear (12) is rotatably installed on the outer side of the fixing column (14); and a plurality of groups of teeth (9) adapted to the gear (12) are fixedly installed on one side of the movable push plate (10); A limiting component is installed at one end of the support frame (2), and the limiting component is used to limit and fix the clamping component.

2. The test fixture for an optical communication device according to claim 1, characterized in that: The limiting assembly comprises a movable groove (17) provided at one end of the support frame (2), movable holes of the same size are respectively provided on both sides of the movable groove (17), a limiting column (18) is sleeved in the movable hole, a connecting ring (19) is fixedly installed at one end of the limiting column (18), a spring (20) is fixedly installed at one side of the connecting ring (19), one end of the spring (20) is fixedly installed at one side of the movable groove (17), and a plurality of limiting holes (16) adapted to the limiting column (18) are provided at one end of the movable push plate (10).

3. The test fixture for an optical communication device according to claim 1, characterized in that: A spiral groove is formed on the outer side of the locking block (11), the threaded strip (13) is matched with the spiral groove, and a limiting disk is fixedly mounted on the bottom end of the locking block (11).

4. The test fixture for an optical communication device according to claim 1, characterized in that: The base plate (1) and the bottom plate (3) are provided with device through holes correspondingly, and the device through holes are consistent with the central axes of the locking block (11), the movable clip (7) and the fixed clip (8).

5. The test fixture for an optical communication device according to claim 2, characterized in that: A push spring (21) is fixedly mounted on one end of the movable push plate (10), and one end of the push spring (21) is fixedly mounted on one side of the support frame (2).

6. The test fixture for an optical communication device according to claim 1, characterized in that: The width of the slide groove (4) is the same as that of the pulley (6).

7. The test fixture for an optical communication device according to claim 1, characterized in that: The base plate (1) and the bottom plate (3) are both made of carbon fiber composite materials.

8. The test fixture for an optical communication device according to claim 2, characterized in that: One end of the limiting column (18) corresponding to the limiting hole (16) is in a sloped shape.

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