Sound box power amplifier board debugging tool

Abstract

The utility model relates to the technical field of debugging tools, in particular to a sound box power amplifier board debugging tool which comprises a working table and a back plate, the back plate is fixedly connected to the upper surface of the working table, a moving mechanism is arranged in front of the back plate, a supporting mechanism is arranged below the working table, a frame is fixedly connected to the lower surface of the working table, and a power amplifier board is arranged on the frame. The frame is rotationally connected with the outer walls of the two ends of the double-end stud through bearings, the outer wall of the double-end stud is in threaded connection with two threaded blocks, and vertical rods are fixedly connected to the upper portions of the threaded blocks. The worm drives the worm gear to rotate, the worm gear drives the supporting rod to move when rotating, the length of the supporting rod is fixed, the supporting rod drives the worm gear to move in the left-right direction when the worm gear rotates, the worm gear drives the support to move in the left-right direction, the support slides on the outer wall of the sliding rod, and the sliding rod plays a role in guiding movement of the support. The support drives the electric telescopic rod to move, and then the position of the testing module in the left-right direction is adjusted.

Description

Technical Field

[0001] This utility model relates to the field of debugging tooling technology, specifically a speaker amplifier board debugging tooling. Background Technology

[0002] Audio amplifier boards need to be adjusted during use. During the adjustment process, the audio amplifier board needs to be tested continuously to see if it is adjusted to the required state.

[0003] For example, a test fixture for a power amplifier module, patent number CN214851829U, includes a worktable. A positioning plate is fixedly connected to one end of the upper surface of the worktable. A first T-slot is provided in the middle of one side of the positioning plate. A first clamping plate is slidably connected to the inner cavity of the first T-slot via a slider. A first return spring is fixedly connected to one side of the first clamping plate. However, the above document still has shortcomings. In use, if the workpiece to be tested is not centered on the worktable during clamping, the limiting plate, when clamping in the same direction, drives the first clamping plate and the second clamping plate to slide in the inner cavities of the first T-slot and the second T-slot respectively until the workpiece is detected. The workpiece is clamped on both sides simultaneously, thus achieving both clamping and positioning. After positioning and clamping, the electric telescopic rod is activated, which drives the test module downward to inspect the workpiece. However, the electric telescopic rod at the lower end of the curved plate cannot move. This means that when the speaker amplifier board is long, although the two sets of limiting plates fix the two sides of the workpiece, the test module cannot inspect the speaker amplifier board, thus affecting the debugging of the speaker amplifier board. In addition, the height of the workbench is fixed in the above document, which is not convenient to adjust the height of the workbench according to actual usage requirements. Utility Model Content

[0004] The purpose of this invention is to solve the problem that the test module cannot test the speaker amplifier board when the speaker amplifier board is long, and to propose a speaker amplifier board debugging fixture.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] Design a speaker amplifier board debugging fixture, including a workbench and a back plate. The back plate is fixed to the upper surface of the workbench. A moving mechanism is provided in front of the back plate. A support mechanism is provided below the workbench. A frame is fixed to the lower surface of the workbench. The frame is rotatably connected to the outer walls of both ends of a double-ended stud through bearings. Two threaded blocks are threadedly connected to the outer walls of the double-ended stud. A vertical rod is fixed above the threaded blocks.

[0007] Preferably, the moving mechanism includes a rotating rod, the outer walls of both ends of which are rotatably connected to a back plate via bearings, a worm gear slidably connected to the outer wall of the rotating rod, the outer walls of both ends of the worm gear being rotatably connected to a bracket via bearings, the bracket being slidably connected to the outer wall of a sliding rod, both ends of the sliding rod being fixedly connected to the back plate, a worm wheel rotatably connected to the surface of the bracket via bearings, the worm wheel meshing with the worm gear, a support rod rotatably connected to the surface of the worm wheel via a pin, and the end of the support rod rotatably connected to the back plate via a pin.

[0008] Preferably, the support mechanism includes a sleeve fixed to the lower surface of the workbench. A handle is rotatably connected to the inside of the sleeve via a bearing. A first bevel gear is fixed to the end of the handle. The first bevel gear meshes with a second bevel gear. The second bevel gear is fixed to the outer wall of a threaded cylinder. The outer wall of the threaded cylinder is rotatably connected to the sleeve via a bearing. A screw is threaded inside the threaded cylinder. A block is fixed to the lower end of the screw. The outer wall of the block is slidably connected to the sleeve.

[0009] Preferably, a clamping plate is fixedly connected to the upper end of the vertical rod, and the clamping plate is slidably connected to the upper surface of the workbench.

[0010] Preferably, both clamps are attached to the outer wall of the audio amplifier board, which is placed on the upper surface of the workbench.

[0011] Preferably, an electric telescopic rod is fixedly connected to the lower part of the bracket, and a test module is fixedly connected to the output end of the electric telescopic rod.

[0012] The speaker amplifier board debugging fixture proposed in this utility model has the following advantages: Through the cooperation between the rotating rod, worm gear, bracket, slide rod, worm wheel, and support rod, the rotating rod drives the worm gear to rotate, the worm gear drives the worm wheel to rotate, and the worm wheel drives the support rod to move when it rotates. The length of the support rod is fixed. When the worm wheel rotates, the support rod drives the worm wheel to move in the left and right directions. The worm wheel drives the bracket to move in the left and right directions. The bracket slides on the outer wall of the slide rod, and the slide rod guides the movement of the bracket. The bracket drives the electric telescopic rod to move, thereby adjusting the position of the test module in the left and right directions. The electric telescopic rod can move in the left and right directions. When the speaker amplifier board is long, the test module can test the speaker amplifier board without affecting the debugging of the speaker amplifier board.

[0013] Through the cooperation of the sleeve, handle, first bevel gear, second bevel gear, threaded cylinder, screw, and block, the handle drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the threaded cylinder to rotate, and the threaded cylinder drives the screw to move. When the screw moves, its vertical height changes, and the screw drives the block to slide downward inside the sleeve. The block contacts the ground, so when the handle is turned, the sleeve moves upward, and the sleeve drives the worktable to move, thus adjusting the height of the worktable. When the height of the worktable is adjusted to the required height, the handle is turned off. During use, it is convenient to adjust the height of the worktable according to actual needs. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the connection between the rotating rod, worm gear and worm wheel in this utility model;

[0017] Figure 4 This is a schematic diagram of the structure at the connection between the frame, the double-ended stud, and the threaded block in this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the connection between the handle, the threaded cylinder, and the screw in this utility model;

[0019] Figure 6 This is a schematic diagram of the connection between the rotating rod and the worm gear in this utility model.

[0020] In the diagram: 1. Workbench, 2. Backplate, 3. Moving mechanism, 301. Rotating rod, 302. Worm gear, 303. Bracket, 304. Slide rod, 305. Worm wheel, 306. Support rod, 4. Support mechanism, 401. Sleeve, 402. Handle, 403. First bevel gear, 404. Second bevel gear, 405. Threaded cylinder, 406. Screw, 407. Block, 5. Frame, 6. Double-ended stud, 7. Threaded block, 8. Vertical rod, 9. Clamping plate, 10. Audio amplifier board, 11. Electric telescopic rod, 12. Test module. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] See attached document Figure 1-6In this embodiment, a speaker amplifier board debugging fixture includes a workbench 1 and a back plate 2. The back plate 2 is fixed to the upper surface of the workbench 1. A moving mechanism 3 is provided in front of the back plate 2. The moving mechanism 3 moves the position of the test module 12. A support mechanism 4 is provided below the workbench 1. The support mechanism 4 supports the workbench 1 and can adjust the height of the workbench 1. A frame 5 is fixed to the lower surface of the workbench 1.

[0023] The outer walls of the frame 5 and the double-ended stud 6 are rotatably connected by bearings. The outer wall of the double-ended stud 6 is threaded with two threaded blocks 7. The double-ended stud 6 drives the two threaded blocks 7 to move. A vertical rod 8 is fixed above the threaded blocks 7. The threaded blocks 7 drive the vertical rod 8 to move. A clamping plate 9 is fixed at the upper end of the vertical rod 8. The vertical rod 8 drives the clamping plate 9 to move. The clamping plate 9 is slidably connected to the upper surface of the workbench 1. Both clamping plates 9 are in contact with the outer wall of the audio amplifier board 10. The two clamping plates 9 position the audio amplifier board 10. The audio amplifier board 10 is placed on the upper surface of the workbench 1.

[0024] The moving mechanism 3 includes a rotating rod 301, a worm gear 302, a support 303, a sliding rod 304, a worm wheel 305, and a support rod 306. The outer walls of both ends of the rotating rod 301 are rotatably connected to the back plate 2 through bearings. The worm gear 302 is slidably connected to the outer wall of the rotating rod 301. When the rotating rod 301 rotates, it drives the worm gear 302 to rotate. The worm gear 302 slides on the outer wall of the rotating rod 301. The outer walls of both ends of the worm gear 302 are rotatably connected to the support 303 through bearings. The support 303 is slidably connected to the outer wall of the sliding rod 304. The support 303 slides on the outer wall of the sliding rod 304. The sliding rod 304 guides the movement of the support 303. Both ends of the sliding rod 304 are fixedly connected to the back plate 2. The surface of the support 303 is rotatably connected to the worm wheel 305 through bearings.

[0025] The worm gear 305 is meshed with the worm 302, and the worm 302 drives the worm gear 305 to rotate. The surface of the worm gear 305 is rotatably connected to the support rod 306 through a pin. The worm gear 305 drives the support rod 306 to move, and the support rod 306 drives the worm gear 305 to move in the left and right directions. The end of the support rod 306 is rotatably connected to the back plate 2 through a pin. An electric telescopic rod 11 is fixedly connected to the bottom of the bracket 303. The bracket 303 drives the electric telescopic rod 11 to move. The output end of the electric telescopic rod 11 is fixedly connected to the test module 12. The internal structure and working principle of the test module 12 are the same as those of the test fixture of a power amplifier module with patent number CN214851829U.

[0026] The rotating rod 301 drives the worm gear 302 to rotate, and the worm gear 302 drives the worm wheel 305 to rotate. When the worm wheel 305 rotates, it drives the support rod 306 to move. The length of the support rod 306 is fixed. When the worm wheel 305 rotates, the support rod 306 drives the worm wheel 305 to move in the left and right direction. The worm wheel 305 drives the bracket 303 to move in the left and right direction. The bracket 303 slides on the outer wall of the slide rod 304. The slide rod 304 guides the movement of the bracket 303. The bracket 303 drives the electric telescopic rod 11 to move, thereby adjusting the position of the test module 12 in the left and right direction. The electric telescopic rod 11 can move in the left and right direction. When the speaker amplifier board 10 is long, the test module 12 can test the speaker amplifier board 12 without affecting the debugging of the speaker amplifier board 12.

[0027] The support mechanism 4 includes a sleeve 401, a handle 402, a first bevel gear 403, a second bevel gear 404, a threaded cylinder 405, a screw 406, and a block 407. The sleeve 401 is fixed to the lower surface of the workbench 1. The handle 402 is rotatably connected to the inside of the sleeve 401 through a bearing. The first bevel gear 403 is fixed to the end of the handle 402. The handle 402 drives the first bevel gear 403 to rotate. The first bevel gear 403 meshes with the second bevel gear 404, and the first bevel gear 403 drives the second bevel gear 404 to rotate.

[0028] The second bevel gear 404 is fixedly connected to the outer wall of the threaded cylinder 405. The second bevel gear 404 drives the threaded cylinder 405 to rotate. The outer wall of the threaded cylinder 405 is rotatably connected to the sleeve 401 through a bearing. The threaded cylinder 405 is internally threaded with a screw 406. The threaded cylinder 405 drives the screw 406 to move. The lower end of the screw 406 is fixedly connected to a block 407. The screw 406 drives the block 407 to slide. The outer wall of the block 407 is slidably connected to the sleeve 401.

[0029] Handle 402 drives the first bevel gear 403 to rotate, the first bevel gear 403 drives the second bevel gear 404 to rotate, the second bevel gear 404 drives the threaded cylinder 405 to rotate, and the threaded cylinder 405 drives the screw 406 to move. When the screw 406 moves, its vertical height changes. The screw 406 drives the block 407 to slide downward inside the sleeve 401. The block 407 contacts the ground. Therefore, when the handle 402 is turned, the sleeve 401 moves upward. The sleeve 401 drives the worktable 2 to move, adjusting the height of the worktable 2. When the height of the worktable 2 is adjusted to the required height, the handle 402 is stopped. During use, it is convenient to adjust the height of the worktable 2 according to actual usage needs.

[0030] Working principle:

[0031] When testing the speaker amplifier board 10 using the speaker amplifier board debugging fixture;

[0032] The height adjustment stage of the workbench:

[0033] When the height of the workbench 1 needs to be adjusted according to actual usage requirements, turn the handle 402. The handle 402 drives the first bevel gear 403 to rotate, the first bevel gear 403 drives the second bevel gear 404 to rotate, the second bevel gear 404 drives the threaded cylinder 405 to rotate, and the threaded cylinder 405 drives the screw 406 to move. When the screw 406 moves, its vertical height changes. The screw 406 drives the block 407 to slide downward inside the sleeve 401. The block 407 contacts the ground. Therefore, when the handle 402 is turned, the sleeve 401 moves upward, and the sleeve 401 drives the workbench 2 to move, thus adjusting the height of the workbench 2. Stop turning the handle 402 when the height of the workbench 2 is adjusted to the required height. This makes it easy to adjust the height of the workbench 2 according to actual usage requirements during use.

[0034] Audio amplifier board testing phase:

[0035] Place the amplifier board 10 on the upper surface of the workbench 1 (the amplifier board 10 is positioned between two clamping plates 9). Rotate the double-ended stud 6, which drives the two threaded blocks 7 to move. The threaded blocks 7 drive the vertical rod 8 to move, and the vertical rod 8 drives the clamping plates 9 to move. Both clamping plates 9 are in contact with the outer wall of the amplifier board 10 to position it. Rotate the rotating rod 301, which drives the worm gear 302 to rotate. The worm gear 302 drives the worm wheel 305 to rotate. When the worm wheel 305 rotates, it drives the support rod 306 to move. The length of the support rod 306 is fixed. When the worm wheel 305 rotates, the support rod 306 drives the worm wheel 305 to move in the left and right directions. The worm wheel 305 drives the bracket 303 to move in the left and right directions. The bracket 303 slides on the outer wall of the sliding rod 304. The rod 304 guides the movement of the bracket 303, which in turn drives the electric telescopic rod 11 to move, thereby adjusting the position of the test module 12 in the left and right directions. The electric telescopic rod 11 can move in the left and right directions. When the speaker amplifier board 10 is long, the test module 12 can test the speaker amplifier board 12 without affecting the debugging of the speaker amplifier board 12. The electric telescopic rod 11 drives the test module 12 to descend and test the speaker amplifier board 10. The specific testing principle is the same as that in the test fixture of an amplifier module with patent number CN214851829U. After the speaker amplifier board 10 is manually debugged, the speaker amplifier board 10 is tested through the test module 12 to test whether the speaker amplifier board 10 meets the requirements after debugging.

[0036] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. A speaker amplifier board debugging fixture, comprising a workbench (1) and a back plate (2), wherein the back plate (2) is fixedly connected to the upper surface of the workbench (1), characterized in that: A moving mechanism (3) is provided in front of the back plate (2), a support mechanism (4) is provided below the workbench (1), a frame (5) is fixed to the lower surface of the workbench (1), the frame (5) and the outer walls of both ends of the double-headed stud (6) are rotatably connected by bearings, and two threaded blocks (7) are threadedly connected to the outer wall of the double-headed stud (6), and a vertical rod (8) is fixed above the threaded blocks (7).

2. The speaker amplifier board debugging fixture according to claim 1, characterized in that: The moving mechanism (3) includes a rotating rod (301). The outer walls of both ends of the rotating rod (301) are rotatably connected to the back plate (2) through bearings. A worm (302) is slidably connected to the outer wall of the rotating rod (301). The outer walls of both ends of the worm (302) are rotatably connected to the bracket (303) through bearings. The bracket (303) is slidably connected to the outer wall of the slide rod (304). Both ends of the slide rod (304) are fixedly connected to the back plate (2). A worm wheel (305) is rotatably connected to the surface of the bracket (303) through bearings. The worm wheel (305) is meshed with the worm (302). A support rod (306) is rotatably connected to the surface of the worm wheel (305) through a pin. The end of the support rod (306) is rotatably connected to the back plate (2) through a pin.

3. The speaker amplifier board debugging fixture according to claim 1, characterized in that: The support mechanism (4) includes a sleeve (401), which is fixed to the lower surface of the workbench (1). A handle (402) is rotatably connected inside the sleeve (401) via a bearing. A first bevel gear (403) is fixed to the end of the handle (402). The first bevel gear (403) meshes with a second bevel gear (404). The second bevel gear (404) is fixed to the outer wall of a threaded cylinder (405). The outer wall of the threaded cylinder (405) is rotatably connected to the sleeve (401) via a bearing. A screw (406) is threaded inside the threaded cylinder (405). A block (407) is fixed to the lower end of the screw (406). The outer wall of the block (407) is slidably connected to the sleeve (401).

4. The speaker amplifier board debugging fixture according to claim 1, characterized in that: The upper end of the vertical rod (8) is fixedly connected to a clamping plate (9), which is slidably connected to the upper surface of the workbench (1).

5. The speaker amplifier board debugging fixture according to claim 4, characterized in that: Both clamps (9) are attached to the outer wall of the audio amplifier board (10), which is placed on the upper surface of the workbench (1).

6. The speaker amplifier board debugging fixture according to claim 2, characterized in that: An electric telescopic rod (11) is fixedly connected to the lower part of the bracket (303), and a test module (12) is fixedly connected to the output end of the electric telescopic rod (11).

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