Noise power generation device with noise reduction function

Abstract

The utility model discloses a noise power generation device with a noise reduction function, and relates to the technical field of noise reduction devices. The noise reduction device comprises a bearing plate, a shell is fixedly connected to the top face of the bearing plate, a noise generator is arranged in the shell, a first noise reduction plate and a second noise reduction plate are detachably arranged on the side wall of the shell, and sound absorption cotton is fixedly connected to the side wall of the first noise reduction plate and the side wall of the second noise reduction plate. The four corners of the bottom face of the bearing plate are fixedly connected with barrels, lifting rods are slidably connected to the bottom faces of the barrels in an inserted mode, the bottom ends of the lifting rods are fixedly connected with protruding bases, and rolling wheels are arranged on the bottom faces of the protruding bases. According to the noise generator, noise can be hindered, the noise can be absorbed through the sound absorption cotton, the noise reduction effect is achieved, noise expansion is avoided, the first noise reduction plate and the second noise reduction plate are convenient to disassemble and assemble and firm to fix, the height of the noise generator can be adjusted, and the noise generator can be located at a proper working position.

Description

Technical Field

[0001] The utility model relates to the technical field of noise reduction devices, in particular to a noise generating device with a noise reduction function. Background Art

[0002] After searching, a noise power generation device with the publication (announcement) number of "CN104716868B" is found, which includes a shell, a mounting groove, a noise power generation unit, a circuit board, and a bus. The noise power generation unit is arranged in the mounting groove. The noise power generation unit includes a box, a permanent magnet and a Helmholtz cavity. The permanent magnet is fixed on the inner side of the box; the Helmholtz cavity is suspended and fixed inside the box, an upper power generation film and a conduit are arranged on the upper part of the Helmholtz cavity, and a lower power generation film is arranged on the lower part of the Helmholtz cavity; an upper induction coil is arranged on the upper power generation film, and a lower induction coil is arranged on the lower power generation film; the upper part of the Helmholtz cavity close to the upper induction coil is concave; the electric energy generated by the noise power generation unit is collected by the bus and provided to the circuit board, and further rectified and boosted by the circuit board and provided to the electrical equipment.

[0003] Although a noise power generation device with a publication (announcement) number of "CN104716868B" can effectively recover noise energy in complex environments, there are some shortcomings. The height of the noise generator is not easy to adjust, which is not conducive to placing the noise generator in the best operating position, and it cannot block and absorb noise well, and cannot achieve a good noise reduction effect. In response to the above problems, the inventor proposes a noise power generation device with noise reduction function to solve the above problems. Utility Model Content

[0004] In order to solve the problems that the current noise generating device is not convenient for height adjustment, cannot block and absorb noise well, and has poor noise reduction effect; the purpose of the utility model is to provide a noise generating device with noise reduction function.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a noise generating device with noise reduction function, comprising a supporting plate, the top surface of the supporting plate is fixedly connected to a shell, a noise generator is arranged inside the shell, the side wall of the shell is detachably provided with a first noise reduction plate and a second noise reduction plate, and the side walls of the first noise reduction plate and the second noise reduction plate are fixedly connected to sound-absorbing cotton, the four corners of the bottom surface of the supporting plate are fixedly connected to a cylinder, the bottom surface of the cylinder is slidably connected to a lifting rod, the bottom end of the lifting rod is fixedly connected to a boss, and the bottom surface of the boss is provided with a roller.

[0006] Preferably, a push handle is fixedly connected to the top surface of the supporting plate, and the push handle is offset from the shell. By pushing the push handle, the device can be moved by a roller. A guide groove is provided on the side of the first noise reduction plate facing the second noise reduction plate, and a guide plate is fixedly connected to the side of the second noise reduction plate facing the first noise reduction plate, and the guide plate corresponds to and cooperates with the guide groove. A clamping plate is fixedly connected to the bottom surfaces of the first noise reduction plate and the second noise reduction plate, and a limit plate is fixedly connected to the end face of the clamping plate. Clamping grooves are provided on both side surfaces of the shell, and the clamping plate corresponds to and cooperates with the clamping grooves. In cooperation, the first noise reduction plate and the second noise reduction plate can block the noise, and the sound-absorbing cotton can absorb the noise to achieve the effect of noise reduction and prevent the noise from expanding outward. When the first noise reduction plate and the second noise reduction plate need to be installed, first make the card plate on the first noise reduction plate correspond to and match with the card slot on the shell, then make the card plate on the second noise reduction plate correspond to the card slot on the shell, and make the guide plate correspond to the guide slot, press the second noise reduction plate downward, so that the guide plate moves into the guide slot, and moves the card plate into the card slot, and makes the buckle correspond to the hook.

[0007] Preferably, a hook is fixedly connected to a side of the first noise reduction plate facing away from the sound-absorbing cotton, and a buckle is provided on a side of the second noise reduction plate facing away from the sound-absorbing cotton, and the buckle corresponds to and cooperates with the hook. After the first noise reduction plate and the second noise reduction plate are installed in the shell, the buckle is tilted so that the buckle cooperates with the hook, so that the first noise reduction plate and the second noise reduction plate can be fixed. A first through hole is penetrated at the lower part of the side wall of the cylinder, and a second through hole is penetrated by the side wall of the lifting rod, and the aperture of the first through hole corresponds to the aperture of the second through hole. A double-headed screw is provided on one side of the cylinder, and the double-headed screw corresponds to and cooperates with the first through hole and the second through hole. A nut is provided on the side wall thread of the double-headed screw. When the height of the noise generator needs to be adjusted, the nut is unscrewed and the double-headed screw is pulled out from the first through hole and the second through hole, so that the lifting rod can move in the cylinder, thereby adjusting the height of the noise generator so that the noise generator can be in a more suitable working position.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. The utility model can block the noise by setting the first noise reduction plate and the second noise reduction plate, and absorb the noise by the sound-absorbing cotton to play the role of noise reduction and prevent the noise from expanding outward. The first noise reduction plate and the second noise reduction plate are easy to disassemble and assemble and are firmly fixed.

[0010] 2. The utility model can adjust the height of the noise generator so that the noise generator is in a suitable working position. Through the cooperation between the lifting rod and the cylinder, the supporting plate can be raised and lowered, thereby adjusting the height of the noise generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is another structural schematic diagram of the utility model as a whole.

[0014] Figure 3 This is an exploded view of the utility model.

[0015] Figure 4 It is an enlarged view of point A of the present utility model.

[0016] Figure 5 This is a schematic diagram of the cooperation between the lifting rod and the cylinder of the utility model.

[0017] In the figure: 1. supporting plate; 2. shell; 3. noise generator; 4. slot; 5. first noise reduction plate; 6. second noise reduction plate; 7. guide slot; 8. guide plate; 9. hook; 10. buckle; 11. sound-absorbing cotton; 12. card plate; 13. limit plate; 14. cylinder; 15. first through hole; 16. lifting rod; 17. second through hole; 18. double-headed screw; 19. nut; 20. boss; 21. roller; 22. push handle. DETAILED DESCRIPTION

[0018] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0019] Example: Figure 1-5As shown, the utility model provides a noise generating device with noise reduction function, including a supporting plate 1, the top surface of the supporting plate 1 is fixedly connected with a shell 2, a noise generator 3 is arranged inside the shell 2, the side wall of the shell 2 is detachably provided with a first noise reduction plate 5 and a second noise reduction plate 6, and the side walls of the first noise reduction plate 5 and the second noise reduction plate 6 are fixedly connected with sound-absorbing cotton 11, the four corners of the bottom surface of the supporting plate 1 are fixedly connected with a cylinder 14, the bottom surface of the cylinder 14 is slidably connected with a lifting rod 16, the bottom end of the lifting rod 16 is fixedly connected with a boss 20, and the bottom surface of the boss 20 is provided with a roller 21.

[0020] A push handle 22 is fixedly connected to the top surface of the supporting plate 1 , and the push handle 22 is offset from the housing 2 .

[0021] By adopting the above technical solution, the push handle 22 is pushed, and the device can be moved through the roller 21.

[0022] A guide groove 7 is provided on one side of the first noise reduction plate 5 facing the second noise reduction plate 6, and a guide plate 8 is fixedly connected to one side of the second noise reduction plate 6 facing the first noise reduction plate 5, and the guide plate 8 corresponds to and cooperates with the guide groove 7. A clamping plate 12 is fixedly connected to the bottom surfaces of the first noise reduction plate 5 and the second noise reduction plate 6, and a limit plate 13 is fixedly connected to the end surface of the clamping plate 12. Clamping grooves 4 are provided on both side surfaces of the shell 2, and the clamping plate 12 corresponds to and cooperates with the clamping groove 4.

[0023] By adopting the above technical solution, the noise can be blocked by the first noise reduction plate 5 and the second noise reduction plate 6, and the noise can be absorbed by the sound-absorbing cotton 11 to play a role in noise reduction and prevent the noise from expanding outward. When the first noise reduction plate 5 and the second noise reduction plate 6 need to be installed, the card plate 12 on the first noise reduction plate 5 is first matched and matched with the card slot 4 on the shell 2, and then, the card plate 12 on the second noise reduction plate 6 is matched with the card slot 4 on the shell 2, and the guide plate 8 is matched with the guide groove 7, and the second noise reduction plate 6 is pressed downward to move the guide plate 8 into the guide groove 7, and the card plate 12 is moved into the card slot 4, and the buckle 10 is matched with the hook 9.

[0024] A hook 9 is fixedly connected to one side of the first noise reduction plate 5 facing away from the sound-absorbing cotton 11 , and a buckle 10 is provided on one side of the second noise reduction plate 6 facing away from the sound-absorbing cotton 11 . The buckle 10 corresponds to and cooperates with the hook 9 .

[0025] By adopting the above technical solution, after the first noise reduction plate 5 and the second noise reduction plate 6 are installed on the shell 2, the buckle 10 is flipped so that the buckle 10 cooperates with the hook 9, so that the first noise reduction plate 5 and the second noise reduction plate 6 can be fixed.

[0026] A first through hole 15 is penetrated through the lower part of the side wall of the cylinder 14, and a second through hole 17 is penetrated through the side wall of the lifting rod 16. The aperture of the first through hole 15 corresponds to the aperture of the second through hole 17. A double-headed screw 18 is provided on one side of the cylinder 14. The double-headed screw 18 corresponds to and cooperates with the first through hole 15 and the second through hole 17, and a nut 19 is provided on the side wall thread sleeve of the double-headed screw 18.

[0027] By adopting the above technical solution, when the height of the noise generator 3 needs to be adjusted, the nut 19 is unscrewed and the double-headed screw 18 is pulled out from the first through hole 15 and the second through hole 17, so that the lifting rod 16 can be moved in the cylinder 14, thereby adjusting the height of the noise generator 3 so that the noise generator 3 can be in a more suitable working position.

[0028] Working principle: When the utility model is in use, the push handle 22 is pushed, and the device can be moved through the roller 21. When the height of the noise generator 3 needs to be adjusted, the nut 19 is screwed off, and the double-headed screw 18 is pulled out from the first through hole 15 and the second through hole 17, so that the lifting rod 16 can be moved in the cylinder 14, thereby adjusting the height of the noise generator 3, so that the noise generator 3 can be in a more suitable working position;

[0029] The first noise reduction plate 5 and the second noise reduction plate 6 can block the noise, and the sound-absorbing cotton 11 can absorb the noise, so as to play a role in noise reduction and prevent the noise from spreading outward;

[0030] When the first noise reduction plate 5 and the second noise reduction plate 6 need to be installed, first make the card plate 12 on the first noise reduction plate 5 correspond to and cooperate with the card slot 4 on the shell 2, then make the card plate 12 on the second noise reduction plate 6 correspond to the card slot 4 on the shell 2, and make the guide plate 8 correspond to the guide groove 7, press the second noise reduction plate 6 downward, so that the guide plate 8 moves into the guide groove 7, and the card plate 12 moves into the card slot 4, and make the buckle 10 cooperate with the hook 9, and the installation of the first noise reduction plate 5 and the second noise reduction plate 6 can be completed.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A noise generating device with noise reduction function, comprising a supporting plate (1), characterized in that: The top surface of the supporting plate (1) is fixedly connected to a shell (2), a noise generator (3) is arranged inside the shell (2), the side wall of the shell (2) is detachably provided with a first noise reduction plate (5) and a second noise reduction plate (6), and the side walls of the first noise reduction plate (5) and the second noise reduction plate (6) are fixedly connected to sound-absorbing cotton (11), the four corners of the bottom surface of the supporting plate (1) are fixedly connected to a cylinder (14), the bottom surface of the cylinder (14) is slidably connected to a lifting rod (16), the bottom end of the lifting rod (16) is fixedly connected to a boss (20), and the bottom surface of the boss (20) is provided with a roller (21).

2. A noise generating device with noise reduction function as claimed in claim 1, characterized in that: A push handle (22) is fixedly connected to the top surface of the support plate (1), and the push handle (22) is offset from the housing (2).

3. A noise generating device with noise reduction function as claimed in claim 1, characterized in that: A guide groove (7) is provided on one side of the first noise reduction plate (5) facing the second noise reduction plate (6), and a guide plate (8) is fixedly connected to one side of the second noise reduction plate (6) facing the first noise reduction plate (5), and the guide plate (8) corresponds to and cooperates with the guide groove (7).

4. A noise generating device with noise reduction function as claimed in claim 1, characterized in that: A hook (9) is fixedly connected to a side of the first noise reduction plate (5) facing away from the sound-absorbing cotton (11), and a buckle (10) is provided on a side of the second noise reduction plate (6) facing away from the sound-absorbing cotton (11), and the buckle (10) corresponds to and cooperates with the hook (9).

5. A noise generating device with noise reduction function as claimed in claim 1, characterized in that: The bottom surfaces of the first noise reduction plate (5) and the second noise reduction plate (6) are both fixedly connected to a clamping plate (12), and the end surfaces of the clamping plate (12) are fixedly connected to a limiting plate (13).

6. A noise generating device with noise reduction function as claimed in claim 5, characterized in that: Both side surfaces of the housing (2) are provided with card slots (4), and the card plate (12) corresponds to and cooperates with the card slots (4).

7. A noise generating device with noise reduction function as claimed in claim 1, characterized in that: A first through hole (15) is provided through the lower part of the side wall of the cylinder (14), and a second through hole (17) is provided through the side wall of the lifting rod (16), and the aperture of the first through hole (15) corresponds to the aperture of the second through hole (17).

8. A noise generating device with noise reduction function as claimed in claim 7, characterized in that: A double-headed screw (18) is provided on one side of the barrel (14), and the double-headed screw (18) corresponds to and matches the first through hole (15) and the second through hole (17), and a nut (19) is threadedly sleeved on the side wall of the double-headed screw (18).

Images