Digital feedback suppressor

Abstract

The utility model discloses a digital feedback suppressor which comprises a storage box and a supporting block, the supporting block is arranged in the storage box, first rotating arms are arranged at the two ends of the supporting block respectively, linkage shafts are installed at the ends, close to the supporting block, of the first rotating arms respectively, and the first rotating arms are movably connected with the supporting block through the linkage shafts. Second rotating arms are installed at the ends, away from the supporting blocks, of the first rotating arms, movable shafts are installed at the ends, close to the first rotating arms, of the second rotating arms, the second rotating arms are movably connected with the first rotating arms through the movable shafts, and linkage plates are arranged outside the second rotating arms; a hinge shaft is installed at the end, close to the second rotating arm, of the linkage plate. According to the utility model, convenient and fast moving and extending use and convenient and fast linkage position adjustment use are realized, storage protection and multi-angle adjustment control use are facilitated, and the protection effect and the convenience of operation and use are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of suppressors, in particular to a digital feedback suppressor. Background Art

[0002] A feedback suppressor is a device that automatically pulls the feedback point. When acoustic feedback occurs, it will immediately detect and calculate its frequency and attenuation, and execute the command to suppress acoustic feedback according to the calculated results. Its bandwidth can be set up to 1 / 60 octave, so the phenomenon of affecting other frequencies during the acoustic feedback suppression process is greatly reduced, and the suppression effect is much improved compared to the equalizer. In the past, feedback suppressors were developed early and were technically immature. There were certain problems in function and design, and the use effect was not very satisfactory. Traditional digital feedback controllers are mostly used for fixed operation, and cannot be adjusted in angle and position. At the same time, it is not convenient for storage and protection. In order to improve this situation, a digital feedback suppressor is proposed.

[0003] For example, a digital feedback suppressor disclosed in the authorization announcement number CN217307859U includes a suppressor body and a heat dissipation structure, a support frame is fixedly connected to the inner wall of the top of the suppressor body, one end of the support frame is fixedly connected to one side of the motor, the motor output shaft is fixedly connected to one end of the rotating shaft, and the other end of the rotating shaft is fixedly connected to the fan blade. In this digital feedback suppressor, a filter is fixedly connected in the air outlet, and a sliding baffle is slidably connected in the sliding groove;

[0004] Although the heat dissipation structure of the feedback suppressor can be opened when in use, the sliding baffle is slid from one side of the sliding groove to the other side to expose the air outlet, so that the opening at the top of the sliding baffle is aligned with the first fixing hole, and a pin is inserted to fix it, and it can be closed when not in use, the sliding baffle is reset in the sliding groove, so that the opening at the top of the sliding baffle is aligned with the second fixing hole, and a pin is inserted to fix it, so as to prevent dust from invading the suppressor body;

[0005] However, the problem that the existing suppressor is not convenient for convenient movement and extension and convenient linkage position adjustment during use is not solved, and it is not convenient for storage protection and multi-angle adjustment and control, which affects the protection effect and the convenience of operation. Utility Model Content

[0006] The purpose of the utility model is to provide a digital feedback suppressor to solve the problem that the suppressor proposed in the above background technology is not convenient for convenient movement and extension and convenient linkage position adjustment, is not conducive to storage protection and multi-angle adjustment and control, and affects the protection effect and the convenience of operation.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a digital feedback suppressor comprises a storage box and a support block, the storage box is provided with a support block inside, both ends of the support block are provided with a first rotating arm, the end of the first rotating arm close to the support block is provided with a linkage shaft, and the first rotating arm is movably connected to the support block through the linkage shaft, the end of the first rotating arm away from the support block is provided with a second rotating arm, the end of the second rotating arm close to the first rotating arm is provided with a movable shaft, and the second rotating arm is movably connected to the first rotating arm through the movable shaft, a linkage plate is provided on the outside of the second rotating arm, the end of the linkage plate close to the second rotating arm is provided with a hinge shaft, and the linkage plate is movably connected to the second rotating arm through the hinge shaft, the end of the linkage plate away from the second rotating arm is provided with a fixing plate, the end of the fixing plate close to the linkage plate is provided with a locking bolt, and the fixing plate is movably connected to the linkage plate through the locking bolt, and the side wall of the fixing plate is provided with a digital feedback suppressor body.

[0008] Preferably, a movable motor is installed on the inner wall of the storage box, a transverse threaded rod is installed on the output end of the movable motor, and the transverse threaded rod is movably connected to the storage box, and a control panel is installed on the side wall of the storage box.

[0009] Preferably, a transverse threaded sleeve is mounted on the surface of the transverse threaded rod, and the transverse threaded sleeve is threadedly connected to the transverse threaded rod, and the transverse threaded sleeve is slidably connected to the storage box.

[0010] Preferably, a connecting rod is installed on the side wall of the transverse threaded sleeve, and the connecting rod is connected to the support block, and a slide rail is installed inside the storage box on one side of the support block.

[0011] Preferably, a connecting block is slidably mounted on the side wall of the slide rail, and the connecting block is connected to the supporting block.

[0012] Preferably, an opening and closing motor is installed on the inner wall of the storage box, a vertical threaded rod is installed at the output end of the opening and closing motor, and the vertical threaded rod is movably connected to the storage box.

[0013] Preferably, a vertical threaded sleeve is sleeved on the surface of the vertical threaded rod, and the vertical threaded sleeve is threadedly connected to the vertical threaded rod, and the vertical threaded sleeve is slidably connected to the storage box.

[0014] Preferably, a protective door is provided on the outside of the storage box, and the protective door is connected to the vertical threaded sleeve.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the suppressor not only realizes convenient mobile extension and linkage position adjustment, facilitates storage protection and multi-angle adjustment and control, but also improves the protection effect and the convenience of operation;

[0016] (1) The protective door is opened by driving the vertical threaded rod to rotate by the opening and closing motor, driving the vertical threaded sleeve to move upward by the vertical threaded rod, and driving the protective door to move upward by the vertical threaded sleeve. The horizontal threaded rod is driven to rotate by the moving motor, and the horizontal threaded sleeve is driven to move by the horizontal threaded rod. Under the sliding cooperation between the connecting block and the slide rail, the horizontal threaded sleeve drives the support block to move through the connecting rod, and the support block drives the digital feedback suppressor body to move, so that the digital feedback suppressor body is moved out of the storage box to use the digital feedback suppressor body. After use, the above operation is repeated in reverse to complete the storage and protection of the digital feedback suppressor body, thereby realizing the convenient movement and extension of the digital feedback suppressor for use, facilitating the storage and protection of the digital feedback suppressor, improving the protection effect of the digital feedback suppressor, and extending the service life of the digital feedback suppressor.

[0017] (2) If the extended length is not enough, the digital feedback suppressor body drives the second rotating arm to rotate through the hinge shaft, and the second rotating arm drives the first rotating arm to rotate through the movable shaft, and the linkage shaft provides movable support to make the first rotating arm and the second rotating arm change from a folded state to an unfolded state to adjust the extended length of the digital feedback suppressor body, rotate the digital feedback suppressor body, and rotate the linkage plate horizontally to adjust the horizontal angle of the digital feedback suppressor body, and rotate the digital feedback suppressor body to adjust the vertical angle of the digital feedback suppressor body to perform multi-angle operation, thereby realizing convenient linkage position adjustment of the digital feedback suppressor, facilitating multi-angle adjustment and control of the digital feedback suppressor, and improving the convenience of operation of the digital feedback suppressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of a top cross-sectional structure of a storage box of the utility model;

[0020] Figure 3 It is a schematic diagram of the side cross-sectional structure of the storage box of the utility model;

[0021] Figure 4 It is a side view structural diagram of the protective door of the utility model;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the support block of the utility model.

[0023] In the figure: 1. Storage box; 2. Moving motor; 3. Horizontal threaded rod; 4. Horizontal threaded sleeve; 5. Connecting rod; 6. Support block; 7. Linkage shaft; 8. First rotating arm; 9. Movable shaft; 10. Second rotating arm; 11. Articulated shaft; 12. Digital feedback suppressor body; 13. Fixed plate; 14. Locking bolt; 15. Linkage plate; 16. Slide rail; 17. Connecting block; 18. Vertical threaded rod; 19. Vertical threaded sleeve; 20. Opening and closing motor; 21. Protective door; 22. Control panel. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides an embodiment: a digital feedback suppressor, including a storage box 1 and a support block 6, the storage box 1 is provided with a support block 6, both ends of the support block 6 are provided with a first rotating arm 8, the end of the first rotating arm 8 close to the support block 6 is installed with a linkage shaft 7, and the first rotating arm 8 is movably connected with the support block 6 through the linkage shaft 7, the end of the first rotating arm 8 away from the support block 6 is installed with a second rotating arm 10, the end of the second rotating arm 10 close to the first rotating arm 8 is installed with a movable shaft 9, and the second rotating arm 10 is movably connected with the first rotating arm 8 through the movable shaft 9, and the outside of the second rotating arm 10 is provided with a linkage plate 15;

[0026] A hinge shaft 11 is installed at one end of the linkage plate 15 close to the second rotating arm 10, and the linkage plate 15 is movably connected to the second rotating arm 10 through the hinge shaft 11. A fixed plate 13 is installed at one end of the linkage plate 15 away from the second rotating arm 10. A locking bolt 14 is installed at one end of the fixed plate 13 close to the linkage plate 15, and the fixed plate 13 is movably connected to the linkage plate 15 through the locking bolt 14. A digital feedback suppressor body 12 is installed on the side wall of the fixed plate 13.

[0027] First, operate the control panel 22 to turn on the opening and closing motor 20, and the opening and closing motor 20 drives the vertical threaded rod 18 to rotate. Under the thread cooperation between the vertical threaded rod 18 and the vertical threaded sleeve 19, and under the sliding cooperation between the vertical threaded sleeve 19 and the storage box 1, the vertical threaded rod 18 drives the vertical threaded sleeve 19 to move upward, and the vertical threaded sleeve 19 drives the protective door 21 to move upward to open the protective door 21. Operate the control panel 22 to turn on the moving motor 2, and the moving motor 2 drives the transverse threaded rod 3 to rotate. Under the thread cooperation between the transverse threaded rod 3 and the transverse threaded sleeve 4, and under the sliding cooperation between the transverse threaded sleeve 4 and the storage box 1, the transverse threaded rod 3 drives the transverse threaded sleeve 4 to move upward. The threaded sleeve 4 moves, and under the sliding cooperation between the connecting block 17 and the slide rail 16, the horizontal threaded sleeve 4 drives the support block 6 to move through the connecting rod 5, and the support block 6 drives the digital feedback suppressor body 12 to move, so that the digital feedback suppressor body 12 is moved outside the storage box 1 to use the digital feedback suppressor body 12. After use, the above operation can be repeated in reverse to complete the storage and protection of the digital feedback suppressor body 12, so that the digital feedback suppressor can be conveniently moved and extended for use, which is convenient for the storage and protection of the digital feedback suppressor, improves the protection effect of the digital feedback suppressor, and prolongs the service life of the digital feedback suppressor;

[0028] A mobile motor 2 is installed on the inner wall of the storage box 1, and the mobile motor 2 plays a role of power driving. A transverse threaded rod 3 is installed on the output end of the mobile motor 2, and the transverse threaded rod 3 is movably connected to the storage box 1. A transverse threaded sleeve 4 is sleeved on the surface of the transverse threaded rod 3, and the transverse threaded sleeve 4 is threadedly connected to the transverse threaded rod 3, and the transverse threaded sleeve 4 is slidably connected to the storage box 1;

[0029] A connecting rod 5 is installed on the side wall of the transverse threaded sleeve 4, and the connecting rod 5 is connected to the support block 6. A slide rail 16 is installed inside the storage box 1 on one side of the support block 6. A connecting block 17 is slidably installed on the side wall of the slide rail 16, and the connecting block 17 is connected to the support block 6.

[0030] An opening and closing motor 20 is installed on the inner wall of the storage box 1. The opening and closing motor 20 plays a role of power drive. A vertical threaded rod 18 is installed at the output end of the opening and closing motor 20, and the vertical threaded rod 18 is movably connected to the storage box 1.

[0031] A vertical threaded sleeve 19 is sleeved on the surface of the vertical threaded rod 18, and the vertical threaded sleeve 19 is threadedly connected to the vertical threaded rod 18, and the vertical threaded sleeve 19 is slidably connected to the storage box 1, a protective door 21 is arranged outside the storage box 1, and the protective door 21 is connected to the vertical threaded sleeve 19, and a control panel 22 is installed on the side wall of the storage box 1, and the output end of the control panel 22 is electrically connected to the input end of the moving motor 2 and the opening and closing motor 20;

[0032] If the extended length is not enough for use, the digital feedback suppressor body 12 is moved, and the digital feedback suppressor body 12 drives the second rotating arm 10 to rotate through the hinge shaft 11, and the second rotating arm 10 drives the first rotating arm 8 to rotate through the movable shaft 9, and the linkage shaft 7 provides movable support to change the first rotating arm 8 and the second rotating arm 10 from a folded state to an unfolded state to adjust the extended length of the digital feedback suppressor body 12. When the angle of the digital feedback suppressor body 12 is to be adjusted for use, the digital feedback suppressor body 12 is rotated, and the linkage plate 15 is rotated horizontally under the active cooperation of the hinge shaft 11 to adjust the horizontal angle of the digital feedback suppressor body 12, the locking bolt 14 is unscrewed, and the digital feedback suppressor body 12 is rotated. Under the active cooperation of the locking bolt 14 and the fixing plate 13, the digital feedback suppressor body 12 is adjusted vertically. Multi-angle operation is performed, thereby realizing the convenient linkage position adjustment of the digital feedback suppressor, facilitating the multi-angle adjustment and control of the digital feedback suppressor, and improving the convenience of operation of the digital feedback suppressor.

[0033] Working principle: First, operate the control panel 22 to turn on the opening and closing motor 20, and the opening and closing motor 20 drives the vertical threaded rod 18 to rotate. Under the thread cooperation between the vertical threaded rod 18 and the vertical threaded sleeve 19, and under the sliding cooperation between the vertical threaded sleeve 19 and the storage box 1, the vertical threaded rod 18 drives the vertical threaded sleeve 19 to move upward, and the vertical threaded sleeve 19 drives the protective door 21 to move upward to open the protective door 21. Operate the control panel 22 to turn on the moving motor 2, and the moving motor 2 drives the horizontal threaded rod 3 to rotate. Under the threaded cooperation between the transverse threaded rod 3 and the transverse threaded sleeve 4, under the sliding cooperation between the transverse threaded sleeve 4 and the storage box 1, the transverse threaded rod 3 drives the transverse threaded sleeve 4 to move, under the sliding cooperation between the connecting block 17 and the slide rail 16, the transverse threaded sleeve 4 drives the support block 6 to move through the connecting rod 5, and the support block 6 drives the digital feedback suppressor body 12 to move, so that the digital feedback suppressor body 12 is moved outside the storage box 1, and the digital feedback suppressor body 12 is used. When the use is completed, the above steps are repeated in reverse. The operation can complete the storage and protection of the digital feedback suppressor body 12. If the extended length is not enough for use, move the digital feedback suppressor body 12, and the digital feedback suppressor body 12 drives the second rotating arm 10 to rotate through the hinge shaft 11, and the second rotating arm 10 drives the first rotating arm 8 to rotate through the movable shaft 9. The linkage shaft 7 provides movable support to change the first rotating arm 8 and the second rotating arm 10 from a folded state to an unfolded state to adjust the extended length of the digital feedback suppressor body 12. When the angle of the digital feedback suppressor body 12 is to be adjusted for use, the digital feedback suppressor body 12 is rotated, and the linkage plate 15 is rotated horizontally under the active cooperation of the hinge shaft 11 to adjust the horizontal angle of the digital feedback suppressor body 12. The locking bolt 14 is unscrewed, and the digital feedback suppressor body 12 is rotated. Under the active cooperation of the locking bolt 14 and the fixing plate 13, the digital feedback suppressor body 12 is adjusted vertically. Multi-angle operation is performed to complete the use of the digital feedback suppressor.

Claims

1. A digital feedback suppressor, comprising a storage box (1) and a support block (6), Features: A support block (6) is arranged inside the storage box (1), and first rotating arms (8) are arranged at both ends of the support block (6), and a linkage shaft (7) is installed at one end of the first rotating arm (8) close to the support block (6), and the first rotating arm (8) is movably connected to the support block (6) through the linkage shaft (7), and a second rotating arm (10) is installed at one end of the first rotating arm (8) away from the support block (6), and a movable shaft (9) is installed at one end of the second rotating arm (10) close to the first rotating arm (8), and the second rotating arm (10) is movably connected to the first rotating arm (8) through the movable shaft (9), and the second rotating arm (10) is movably connected to the first rotating arm (8) through the movable shaft (9), and the second rotating arm (10) is movably connected to the first rotating arm (8) through the movable shaft (9). A linkage plate (15) is arranged outside the movable arm (10), and a hinge shaft (11) is installed at one end of the linkage plate (15) close to the second rotating arm (10), and the linkage plate (15) is movably connected to the second rotating arm (10) through the hinge shaft (11), and a fixed plate (13) is installed at one end of the linkage plate (15) away from the second rotating arm (10), and a locking bolt (14) is installed at one end of the fixing plate (13) close to the linkage plate (15), and the fixing plate (13) is movably connected to the linkage plate (15) through the locking bolt (14), and a digital feedback suppressor body (12) is installed on the side wall of the fixing plate (13).

2. A digital feedback suppressor according to claim 1, Features: A movable motor (2) is installed on the inner wall of the storage box (1), a transverse threaded rod (3) is installed on the output end of the movable motor (2), and the transverse threaded rod (3) is movably connected to the storage box (1), and a control panel (22) is installed on the side wall of the storage box (1).

3. A digital feedback suppressor according to claim 2, Features: A transverse threaded sleeve (4) is sleeved on the surface of the transverse threaded rod (3), the transverse threaded sleeve (4) is threadedly connected to the transverse threaded rod (3), and the transverse threaded sleeve (4) is slidably connected to the storage box (1).

4. A digital feedback suppressor according to claim 3, Features: A connecting rod (5) is installed on the side wall of the transverse threaded sleeve (4), and the connecting rod (5) is connected to the support block (6). A slide rail (16) is installed inside the storage box (1) on one side of the support block (6).

5. A digital feedback suppressor according to claim 4, Features: A connecting block (17) is slidably mounted on the side wall of the slide rail (16), and the connecting block (17) is connected to the supporting block (6).

6. A digital feedback suppressor according to claim 1, Features: An opening and closing motor (20) is installed on the inner wall of the storage box (1), a vertical threaded rod (18) is installed at the output end of the opening and closing motor (20), and the vertical threaded rod (18) is movably connected to the storage box (1).

7. A digital feedback suppressor according to claim 6, Features: A vertical threaded sleeve (19) is sleeved on the surface of the vertical threaded rod (18), and the vertical threaded sleeve (19) is threadedly connected to the vertical threaded rod (18), and the vertical threaded sleeve (19) is slidably connected to the storage box (1).

8. A digital feedback suppressor according to claim 1, Features: A protective door (21) is provided on the outside of the storage box (1), and the protective door (21) is connected to the vertical threaded sleeve (19).

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