Sound receiving device for vocal music performance

By using lifting and fixing mechanisms in the vocal performance device, the problems of inconvenience and difficulty in cleaning in the prior art are solved, and the convenient lifting, fixing and angle adjustment of the audio board is realized, which improves the audio effect and convenience of the vocal performance. .

CN119136094AInactive Publication Date: 2024-12-13NANCHONG VOCATIONAL COLLEGE OF CULTURE & TOURISM
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Patent Information

Application Number
CN202411252449.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2024-12-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing radio device is inconvenient to use in vocal performances, difficult to move and fix easily, and difficult to clean, resulting in the residual foreign matter affecting the audio effect.

Method used

A sound receiving device for vocal performance is designed, using a lifting mechanism and a fixing mechanism to realize the lifting and angle adjustment of the soundboard through components such as screws, sprockets, and drive motors, and convenient fixing and cleaning through suction cups and cleaning roller brushes.

Benefits of technology

It realizes convenient lifting, fixing and angle adjustment of the audio board, preventing foreign matter from remaining, and improving the audio effect and convenience of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a sound receiving device for vocal music performance, and relates to the technical field of sound receiving equipment, the sound receiving device comprises a placing box and a sound receiving plate, the sound receiving plate is arranged in the placing box through a lifting mechanism, and the lifting mechanism is used for controlling the lifting motion of the sound receiving plate. During use, a placing box is moved to a proper position through a plurality of universal wheels, then a box cover is opened, a sound receiving plate is lifted out of the placing box under the action of a lifting mechanism, when two connecting plates move upwards, a plurality of connecting shafts and a plurality of third racks are driven to move upwards synchronously, and through the meshing effect of the third racks and first gears, the sound receiving plate is driven to move upwards synchronously. And a plurality of first racks are driven to synchronously move downwards through the meshing effect of the first gears and the first racks, and a plurality of sliding shafts and a plurality of suction cups synchronously move downwards under the extrusion effect of a clamping plate on an extrusion plate, so that the suction cups are adsorbed to the ground, and the effect of fixing the placement box is achieved.
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Description

Technical Field

[0001] The present invention relates to the technical field of sound collecting equipment, and in particular to a sound collecting device for vocal performance. Background Art

[0002] Vocal performance is a form of musical performance art that is different from instrumental music. Vocal performance refers to music performance that uses singing and voice as the main form. In addition to bel canto, popular, folk, and opera, vocal performance should not exclude special vocal performance forms such as whistling and ventriloquism.

[0003] Vocal performances require not only the performer's own strength, but also good equipment requirements. However, conventional microphones do not have very good sound reception effects, so they cannot bring out the performer's full strength, nor can they bring a better program experience to the audience. Therefore, a sound reception device is needed to receive the sound and improve the listening effect.

[0004] The sound receiving device in the prior art cannot be conveniently moved and fixed when in use, which makes it inconvenient to use. Moreover, the sound receiving board cannot be conveniently cleaned after use, which may easily lead to foreign matter remaining on the surface of the sound receiving board, affecting the subsequent sound receiving effect. In view of the above problems, a sound receiving device for vocal performance is proposed. Summary of the invention

[0005] The purpose of this application is to provide a sound collecting device for vocal performance to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: A sound collecting device for vocal performance, comprising a placement box and a sound collecting board, wherein the sound collecting board is arranged in the placement box through a lifting mechanism, the lifting mechanism is used to control the lifting movement of the sound collecting board, and a fixing mechanism is arranged at the bottom of the placement box, the fixing mechanism is used to fix the placement box;

[0007] The lifting mechanism comprises two connecting plates, a rectangular frame is fixedly installed on the bottom inner wall of the placing box, lifting holes are opened on the opposite inner walls of the rectangular frame, the two connecting plates are slidably installed in the two lifting holes through the lifting assembly, a square column is slidably installed in the rectangular frame, the two side parts of the square column are fixedly connected to the side parts of the two connecting plates, a U-shaped block is fixedly installed on the side of the square column, a circular shaft is fixedly installed on the opposite inner walls of the U-shaped block, a rotating block is rotatably sleeved on the circular shaft, a mounting plate is fixedly installed on the side of the rotating block, the sound receiving board is fixedly installed on the side of the mounting plate, and an angle adjustment assembly is provided on the side of the mounting plate;

[0008] The fixing mechanism includes a plurality of suction cups, a plurality of sliding holes are opened on the bottom inner wall of the placement box, a sliding shaft is slidably installed in each of the plurality of sliding holes, the plurality of suction cups are respectively arranged at the bottom ends of the plurality of sliding shafts, a pressing assembly is arranged at the top ends of the plurality of sliding shafts, a rotating rod is rotatably installed on the relative inner walls of the placement box, a cleaning roller brush is fixedly sleeved on the rotating rod, and a rotating assembly adapted to the connecting plate is arranged on the rotating rod.

[0009] Preferably, the lifting assembly includes two screw rods, the relative inner walls of the placement box are provided with lifting grooves, a transmission chamber is provided in the placement box, the bottom ends of the two screw rods are rotatably mounted on the bottom inner wall of the transmission chamber, the top ends of the two screw rods are respectively rotatably mounted on the top inner walls of the two lifting grooves, the two screw rods are connected by a transmission unit, and lifting blocks are threadedly mounted on the two screw rods, and the sides of the two lifting blocks are respectively fixedly connected to the sides of the two connecting plates.

[0010] Preferably, the transmission unit includes two sprockets, which are fixedly sleeved on the two screw rods respectively, and chains are installed on the two sprockets in meshing relationship with each other. A lifting motor is fixedly installed on the bottom of the placement box, and the output shaft of the lifting motor is connected to the bottom end of one of the screw rods.

[0011] Preferably, the angle adjustment assembly includes a connecting rod, a lifting hole is opened on the side of the square column, a square slider is slidably installed in the lifting hole through a sliding assembly, one end of the connecting rod is rotatably installed on the side of the square slider, and the other end of the connecting rod is rotatably installed on the side of the mounting plate.

[0012] Preferably, the sliding assembly includes a screw rod, both ends of which are rotatably mounted on the relative inner walls of the lifting hole, the square slider is threadedly mounted on the screw rod, a motor groove is provided on the bottom inner wall of the lifting hole, a driving motor is fixedly installed in the motor groove, and the output shaft of the driving motor is connected to the bottom end of the screw rod.

[0013] Preferably, the extrusion assembly includes a first rack, which is slidably mounted on the inner wall of the side of the placement box, a clamping plate is fixedly mounted on the bottom end of the first rack, an extrusion plate is fixedly mounted on the top end of the sliding shaft, the clamping plate is clamped with the extrusion plate, and a control unit adapted to the connecting plate is provided on the first rack.

[0014] Preferably, the control unit includes a rotating shaft, an end of which is rotatably mounted on the inner wall of the side of the placement box, a first gear matched with the first rack is fixedly sleeved on the rotating shaft, a connecting shaft is fixedly mounted on the side of the connecting plate, a third rack is fixedly mounted on the end of the connecting shaft, and the third rack is meshed with the first gear.

[0015] Preferably, the rotating assembly includes a second rack and a second gear, the second gear is fixedly sleeved on the rotating rod, a rectangular plate is fixedly installed on the side of the connecting plate, the second rack is fixedly installed on the top of the rectangular plate, and the second rack is meshed with the second gear.

[0016] Preferably, a box cover is hingedly mounted on the top of the placement box, and a control panel is provided on the side of the placement box, and the control panel is electrically connected to the driving motor and the lifting motor.

[0017] Preferably, a plurality of support columns are provided at the bottom of the placement box, and universal wheels are provided at the bottom ends of the plurality of support columns.

[0018] In summary, the technical effects and advantages of the present invention are as follows:

[0019] 1. In the present invention, when the connecting plate moves upward, it drives multiple connecting shafts and multiple third racks to move upward synchronously. Through the meshing action of the third rack and the first gear, the first gear rotates, and through the meshing action of the third rack and the first rack, it drives multiple first racks to move downward synchronously. Under the squeezing action of the card plate on the squeezing plate, multiple sliding shafts and multiple suction cups move downward synchronously, so that the suction cups are adsorbed on the ground, thereby fixing the placement box.

[0020] 2. In the present invention, when the angle of the sound receiving plate needs to be adjusted, the driving motor is started to drive the screw rod to rotate forward and reverse, and then the square slider is driven to achieve lifting movement under the action of the thread. When the square slider is lifted and lowered, the mounting plate is driven to flip through the connecting action of the connecting rod and the rotation action of the rotating block, thereby realizing the angle adjustment function with strong stability.

[0021] 3. In the present invention, after the sound recording is finished, the sound recording board is first reset, and then the two screw rods are driven to reverse, driving the two connecting plates to move downward. When the connecting plates move downward, the rectangular plate and the second rack are driven to move downward synchronously, and through the meshing action between the connecting plates and the second gear, the rotating rod and the cleaning roller brush are driven to rotate. When the sound recording board moves downward, the surface of the sound recording board is cleaned to prevent foreign matter from adhering to its surface and affecting subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in 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 described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of a sound collecting device for vocal performance in an embodiment of the present invention;

[0024] Figure 2 It is a schematic diagram of a partial cross-section structure of a placement box in an embodiment of the present invention;

[0025] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0026] Figure 4 It is a schematic diagram of a partial cross-section structure of a square column in an embodiment of the present invention;

[0027] Figure 5 It is a schematic diagram of the cross-section structure of the side of the placement box in an embodiment of the present invention;

[0028] Figure 6 It is a schematic diagram of the enlarged structure of the first rack, the first gear, and the third rack in an embodiment of the present invention;

[0029] Figure 7 It is a schematic diagram of a partial cutaway structure of the top of the placement box in an embodiment of the present invention;

[0030] Figure 8 It is a schematic diagram of the enlarged structure of the second gear and the second rack in the embodiment of the present invention.

[0031] In the figure: 1. placement box; 2. sound receiving board; 3. rectangular frame; 4. connecting plate; 5. square column; 6. lifting block; 7. screw; 8. sprocket; 9. chain; 10. lifting motor; 11. U-shaped block; 12. rotating block; 13. mounting plate; 14. square slider; 15. screw; 16. driving motor; 17. connecting rod; 18. sliding shaft; 19. suction cup; 20. extrusion plate; 21. first rack; 22. card plate; 23. rotating shaft; 24. first gear; 25. rotating rod; 26. cleaning roller brush; 27. rectangular plate; 28. second rack; 29. ​​second gear; 30. box cover; 31. control panel; 32. universal wheel; 33. connecting shaft; 34. third rack. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example: Reference Figure 1-Figure 8 A sound collecting device for vocal performance shown in the figure comprises a placing box 1 and a sound collecting board 2. The sound collecting board 2 is arranged in the placing box 1 through a lifting mechanism, and the lifting mechanism is used to control the lifting movement of the sound collecting board 2. A fixing mechanism is arranged at the bottom of the placing box 1, and the fixing mechanism is used to fix the placing box 1.

[0034] The lifting mechanism includes two connecting plates 4, a rectangular frame 3 is fixedly installed on the bottom inner wall of the placement box 1, and lifting holes are opened on the opposite inner walls of the rectangular frame 3. The two connecting plates 4 are slidably installed in the two lifting holes through the lifting components. A square column 5 is slidably installed in the rectangular frame 3. The two sides of the square column 5 are fixedly connected to the side parts of the two connecting plates 4. A U-shaped block 11 is fixedly installed on the side of the square column 5. A circular shaft is fixedly installed on the opposite inner walls of the U-shaped block 11. A rotating block 12 is rotatably sleeved on the circular shaft. A mounting plate 13 is fixedly installed on the side of the rotating block 12. The sound receiving board 2 is fixedly installed on the side of the mounting plate 13, and an angle adjustment component is provided on the side of the mounting plate 13.

[0035] The fixing mechanism includes a plurality of suction cups 19, a plurality of sliding holes are opened on the bottom inner wall of the placement box 1, and sliding shafts 18 are slidably installed in the plurality of sliding holes. The plurality of suction cups 19 are respectively arranged at the bottom ends of the plurality of sliding shafts 18, and the top ends of the plurality of sliding shafts 18 are respectively provided with extrusion components. A rotating rod 25 is rotatably installed on the relative inner walls of the placement box 1, a cleaning roller brush 26 is fixedly sleeved on the rotating rod 25, and a rotating component adapted to the connecting plate 4 is provided on the rotating rod 25.

[0036] like Figure 3 As shown, the lifting assembly includes two screw rods 7, and lifting grooves are provided on the relative inner walls of the placement box 1. A transmission chamber is provided in the placement box 1. The bottom ends of the two screw rods 7 are rotatably installed on the bottom inner wall of the transmission chamber, and the top ends of the two screw rods 7 are rotatably installed on the top inner walls of the two lifting grooves respectively. The two screw rods 7 are connected by a transmission unit, and lifting blocks 6 are threadedly installed on the two screw rods 7. The sides of the two lifting blocks 6 are fixedly connected to the sides of the two connecting plates 4 respectively. With this arrangement, the two lifting blocks 6 and the two connecting plates 4 can be driven to realize the lifting function through the rotation of the two screw rods 7.

[0037] like Figure 3As shown, the transmission unit includes two sprockets 8, which are fixedly sleeved on two screw rods 7 respectively, and chains 9 are installed on the two sprockets 8 in meshing relationship. A lifting motor 10 is fixedly installed on the bottom of the placement box 1, and the output shaft of the lifting motor 10 is connected to the bottom end of one of the screw rods 7. With this arrangement, the two screw rods 7 can be driven to rotate synchronously through the meshing action of the two sprockets 8 and the chain 9, thereby preventing jamming during lifting.

[0038] like Figure 4 As shown, the angle adjustment assembly includes a connecting rod 17, a lifting hole is opened on the side of the square column 5, and a square slider 14 is slidably installed in the lifting hole through a sliding assembly. One end of the connecting rod 17 is rotatably installed on the side of the square slider 14, and the other end of the connecting rod 17 is rotatably installed on the side of the mounting plate 13. In this way, the mounting plate 13 can be driven to realize a flipping function when the square slider 14 moves up and down through the connecting action of the connecting rod 17.

[0039] like Figure 4 As shown, the sliding assembly includes a screw rod 15, both ends of which are rotatably mounted on the opposite inner walls of the lifting hole, and the square slider 14 is threadedly mounted on the screw rod 15. A motor groove is provided on the bottom inner wall of the lifting hole, and a driving motor 16 is fixedly installed in the motor groove. The output shaft of the driving motor 16 is connected to the bottom end of the screw rod 15. In this way, the square slider 14 can realize lifting and lowering motion under the action of the thread by rotating the screw rod 15.

[0040] like Figure 6 As shown, the extrusion assembly includes a first rack 21, which is slidably installed on the inner wall of the side of the placement box 1, and a clamping plate 22 is fixedly installed on the bottom end of the first rack 21, and an extrusion plate 20 is fixedly installed on the top end of the sliding shaft 18, and the clamping plate 22 is clamped with the extrusion plate 20. A control unit adapted to the connecting plate 4 is arranged on the first rack 21. In this way, the first rack 21 can move downward, driving the clamping plate 22 to extrude the extrusion plate 20, so that the extrusion plate 20, the sliding shaft 18, and the suction cup 19 move downward synchronously to realize the adsorption function.

[0041] like Figure 6 As shown, the control unit includes a rotating shaft 23, the end of which is rotatably mounted on the inner wall of the side of the placement box 1, and a first gear 24 matched with the first rack 21 is fixedly sleeved on the rotating shaft 23. A connecting shaft 33 is fixedly mounted on the side of the connecting plate 4, and a third rack 34 is fixedly mounted on the end of the connecting shaft 33. The third rack 34 is meshed with the first gear 24. With this arrangement, the third rack 34 can be driven to move synchronously through the lifting movement of the connecting plate 4, and the first rack 21 can be meshed with the meshing action of the third rack 34, the first gear 24 and the first rack 21, so that the first rack 21 and the third rack 34 move in opposite directions.

[0042] like Figure 8 As shown, the rotating assembly includes a second rack 28 and a second gear 29. The second gear 29 is fixedly sleeved on the rotating rod 25. A rectangular plate 27 is fixedly installed on the side of the connecting plate 4. The second rack 28 is fixedly installed on the top of the rectangular plate 27. The second rack 28 is meshed with the second gear 29. With this arrangement, the connecting plate 4 can move downward, driving the rectangular plate 27 and the second rack 28 to move downward synchronously, thereby driving the rotating rod 25 to rotate through the meshing action with the second gear 29 to clean the surface of the sound receiving plate 2.

[0043] like Figure 1 As shown, a box cover 30 is hingedly installed on the top of the placement box 1, and a control panel 31 is arranged on the side of the placement box 1. The control panel 31 is electrically connected to the driving motor 16 and the lifting motor 10. With this arrangement, the device can be conveniently controlled through the control panel 31, and the operation is more convenient. Moreover, through the arrangement of the box cover 30, the noise on the back of the sound receiving board 2 can be blocked to a certain extent.

[0044] like Figure 1 As shown, a plurality of support columns are arranged at the bottom of the placement box 1, and universal wheels 32 are arranged at the bottom ends of the plurality of support columns. With this arrangement, the device can be conveniently moved by means of the plurality of universal wheels 32.

[0045] The working principle of the present invention is as follows: first, the placement box 1 is moved to a suitable position through a plurality of universal wheels 32, then the box cover 30 is opened, and the lifting motor 10 is started through the control panel 31, and the two screw rods 7 are driven to rotate synchronously under the meshing action of the two sprocket wheels 8 and the chain 9, and the two lifting blocks 6 are driven to move upward synchronously under the action of the threads, thereby driving the two connecting plates 4, the square column 5, and the sound receiving board 2 to move upward synchronously, so that the sound receiving board 2 is lifted out of the placement box 1.

[0046] When the two connecting plates 4 move upward, the multiple connecting shafts 33 and the multiple third racks 34 are driven to move upward synchronously. The first gear 24 is rotated through the meshing action of the third rack 34 and the first gear 24, and the multiple first racks 21 are driven to move downward synchronously through the meshing action of the third rack 34 and the first rack 21. Under the squeezing action of the card plate 22 on the squeezing plate 20, the multiple sliding shafts 18 and the multiple suction cups 19 are made to move downward synchronously, so that the suction cups 19 are adsorbed on the ground, thereby fixing the placement box 1.

[0047] When the angle of the sound receiving board 2 needs to be adjusted, the driving motor 16 is started to drive the screw rod 15 to rotate forward and reverse, and then the square slider 14 is driven to achieve lifting movement under the action of the thread. When the square slider 14 is lifting and lowering, the mounting plate 13 is driven to flip through the connecting action of the connecting rod 17 and the rotation action of the rotating block 12, thereby realizing the angle adjustment function.

[0048] When the recording is finished, the recording board 2 is first reset, and then the two screw rods 7 are driven to reverse, driving the two connecting plates 4 to move downward. When the connecting plate 4 moves downward, the rectangular plate 27 and the second rack 28 are driven to move downward synchronously, and through the meshing action with the second gear 29, the rotating rod 25 and the cleaning roller brush 26 are driven to rotate. When the recording board 2 moves downward, the surface of the recording board 2 is cleaned to prevent foreign matter from adhering to its surface and affecting subsequent use. When the connecting plate 4 moves downward, the multiple sliding shafts 18 and multiple suction cups 19 are driven to move upward through the linkage action, and the fixing function of the placement box 1 is released, and the use effect is better.

[0049] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sound collecting device for vocal performance, comprising a placement box (1) and a sound collecting board (2), characterized in that: The sound receiving board (2) is arranged in the placement box (1) via a lifting mechanism, the lifting mechanism is used to control the lifting movement of the sound receiving board (2), and a fixing mechanism is arranged at the bottom of the placement box (1), the fixing mechanism is used to fix the placement box (1); The lifting mechanism comprises two connecting plates (4), a rectangular frame (3) is fixedly installed on the bottom inner wall of the placement box (1), and lifting holes are opened on the opposite inner walls of the rectangular frame (3), and the two connecting plates (4) are slidably installed in the two lifting holes through the lifting components, and a square column (5) is slidably installed in the rectangular frame (3), and the two side parts of the square column (5) are fixedly connected to the side parts of the two connecting plates (4), and a U-shaped block (11) is fixedly installed on the side of the square column (5), and the opposite inner walls of the U-shaped block (11) are commonly fixedly installed with a circular shaft, and a rotating block (12) is rotatably sleeved on the circular shaft, and a mounting plate (13) is fixedly installed on the side of the rotating block (12), and the sound receiving board (2) is fixedly installed on the side of the mounting plate (13), and the side of the mounting plate (13) is provided with an angle adjustment component; The fixing mechanism comprises a plurality of suction cups (19), a plurality of sliding holes are provided on the bottom inner wall of the placement box (1), a sliding shaft (18) is slidably installed in each of the plurality of sliding holes, the plurality of suction cups (19) are respectively arranged at the bottom ends of the plurality of sliding shafts (18), a pressing assembly is arranged at the top ends of the plurality of sliding shafts (18), a rotating rod (25) is rotatably installed on the relative inner walls of the placement box (1), a cleaning roller brush (26) is fixedly sleeved on the rotating rod (25), and a rotating assembly adapted to the connecting plate (4) is arranged on the rotating rod (25).

2. A sound collecting device for vocal performance according to claim 1, characterized in that: The lifting assembly comprises two screw rods (7), the opposite inner walls of the placement box (1) are provided with lifting grooves, a transmission chamber is provided in the placement box (1), the bottom ends of the two screw rods (7) are rotatably mounted on the bottom inner wall of the transmission chamber, the top ends of the two screw rods (7) are rotatably mounted on the top inner walls of the two lifting grooves, the two screw rods (7) are connected via a transmission unit, the two screw rods (7) are threadedly mounted with lifting blocks (6), and the sides of the two lifting blocks (6) are respectively fixedly connected to the sides of the two connecting plates (4).

3. A sound collecting device for vocal performance according to claim 2, characterized in that: The transmission unit comprises two sprockets (8), the two sprockets (8) are respectively fixedly sleeved on the two screw rods (7), and a chain (9) is installed on the two sprockets (8) in meshing relationship with each other. A lifting motor (10) is fixedly installed at the bottom of the placement box (1), and the output shaft of the lifting motor (10) is connected to the bottom end of one of the screw rods (7).

4. A sound collecting device for vocal performance according to claim 3, characterized in that: The angle adjustment assembly comprises a connecting rod (17), a lifting hole is provided on the side of the square column (5), a square slider (14) is slidably installed in the lifting hole through a sliding assembly, one end of the connecting rod (17) is rotatably installed on the side of the square slider (14), and the other end of the connecting rod (17) is rotatably installed on the side of the mounting plate (13).

5. A sound collecting device for vocal performance according to claim 4, characterized in that: The sliding assembly comprises a screw rod (15), the two ends of which are rotatably mounted on opposite inner walls of the lifting hole, the square slider (14) is threadedly mounted on the screw rod (15), a motor slot is provided on the bottom inner wall of the lifting hole, a driving motor (16) is fixedly mounted in the motor slot, and an output shaft of the driving motor (16) is connected to the bottom end of the screw rod (15).

6. A sound collecting device for vocal performance according to claim 1, characterized in that: The extrusion assembly comprises a first rack (21), the first rack (21) is slidably mounted on the inner wall of the side of the placement box (1), a clamping plate (22) is fixedly mounted on the bottom end of the first rack (21), an extrusion plate (20) is fixedly mounted on the top end of the sliding shaft (18), the clamping plate (22) is clamped with the extrusion plate (20), and a control unit adapted to the connecting plate (4) is arranged on the first rack (21).

7. A sound collecting device for vocal performance according to claim 6, characterized in that: The control unit comprises a rotating shaft (23), the end of which is rotatably mounted on the inner wall of the side of the placement box (1), a first gear (24) matched with the first rack (21) is fixedly sleeved on the rotating shaft (23), a connecting shaft (33) is fixedly mounted on the side of the connecting plate (4), a third rack (34) is fixedly mounted on the end of the connecting shaft (33), and the third rack (34) is meshed with the first gear (24).

8. The sound collecting device for vocal performance according to claim 1, characterized in that: The rotating assembly comprises a second rack (28) and a second gear (29); the second gear (29) is fixedly sleeved on the rotating rod (25); a rectangular plate (27) is fixedly mounted on the side of the connecting plate (4); the second rack (28) is fixedly mounted on the top of the rectangular plate (27); and the second rack (28) is meshed with the second gear (29).

9. The sound collecting device for vocal performance according to claim 5, characterized in that: A box cover (30) is hingedly mounted on the top of the storage box (1), and a control panel (31) is arranged on the side of the storage box (1). The control panel (31) is electrically connected to the driving motor (16) and the lifting motor (10).

10. The sound collecting device for vocal performance according to claim 1, characterized in that: The bottom of the placement box (1) is provided with a plurality of support columns, and the bottom ends of the plurality of support columns are all provided with universal wheels (32).