Industrial fan capable of reducing noise

Abstract

The utility model discloses a noise reduction type industrial fan which comprises a carrying plate and a bottom plate, a sound insulation box is fixedly installed at the top of the carrying plate, a noise reduction sponge is fixedly installed in the sound insulation box, a cover plate is fixedly installed at one end of the sound insulation box and the noise reduction sponge, noise reduction holes are formed in the surface of the cover plate at equal intervals, and the noise reduction sponge is fixedly installed in the cover plate. And a vertical plate is fixedly installed in the silencing sponge, a motor is fixedly installed at one end of the vertical plate, a rotating shaft is fixedly installed at the other end of the vertical plate, and fan blades are fixedly installed on the surface of the rotating shaft in a surrounding mode. According to the noise reduction type industrial fan, in the daily use process, an operator starts a motor, the motor runs to enable a rotating shaft to rotate, then fan blades are driven to rotate, noise can be generated when the rotating shaft and the fan blades rotate, a sound insulation box and a noise reduction sponge can absorb the noise generated in the running process, and the noise reduction effect is achieved. And then noise at the air outlet and the air inlet can be reduced through the silencing holes.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial fans, in particular to a noise-reducing industrial fan. Background Art

[0002] Industrial fans can most efficiently promote the movement of large amounts of air, generate ultra-large air volumes, and form a moving, circulating airflow field in the space. They can effectively regulate the air circulation problems in industrial production workshops. The area blown by industrial fans is directly related to the diameter of the fan. Large industrial fans have a large coverage area, are easy to clean, and solve the problems of high noise and high energy consumption. Therefore, a noise-reducing industrial fan is needed.

[0003] Operators often use corresponding industrial fans when they circulate air. Although existing industrial fans can achieve the purpose of air circulation, they will generate a lot of noise during actual use, making the working environment noisy, thereby reducing work efficiency, and often require manual adjustment of the fan's blowing angle, which reduces its practicality. Utility Model Content

[0004] The utility model aims to provide an industrial fan with noise reduction to solve the problem mentioned in the background technology that operators often use corresponding industrial fans when performing air circulation work. Although the existing industrial fans can achieve the purpose of air circulation, they will generate a lot of noise during actual use, making the working environment noisy, thereby reducing work efficiency, and the blowing angle of the fan needs to be manually adjusted, which reduces its practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a noise-reducing industrial fan, comprising a loading plate and a bottom plate, a soundproof box is fixedly installed on the top of the loading plate, a sound-absorbing sponge is fixedly installed inside the soundproof box, a cover plate is fixedly installed on the soundproof box and one end of the sound-absorbing sponge, sound-absorbing holes are opened at equal distances on the surface of the cover plate, a vertical plate is fixedly installed inside the sound-absorbing sponge, a motor is fixedly installed on one end of the vertical plate, a rotating shaft is fixedly installed on the other end of the vertical plate, fan blades are fixedly installed around the surface of the rotating shaft, and the output end of the motor passes through the vertical plate and is fixedly connected to one end of the rotating shaft.

[0006] Preferably, vertical plates are fixedly installed on both sides of the top of the bottom plate, a circular shaft is rotatably installed between the vertical plates, one side of the circular shaft penetrates the vertical plate and extends to the right side of the vertical plate, a gear located on the right side of the vertical plate is fixedly sleeved on the surface of the circular shaft, a turntable is fixedly sleeved on the surface of the circular shaft, a fixing frame is fixedly installed on both sides of the top of the turntable, a bolt is rotatably installed on the surface of the fixing frame, the bottom of the bolt penetrates the fixing frame and extends to the inside of the turntable, and the top of the fixing frame is fixedly connected to the bottom of the loading plate.

[0007] Preferably, a closing plate is fixedly mounted on the other end of the sound insulation box and the sound-absorbing sponge, and heat dissipation grooves are equidistantly provided at one end of the closing plate.

[0008] Preferably, a box body is fixedly installed on one side of the vertical plate, a limiting rod is fixedly installed inside the box body, a slider is movably sleeved on the surface of the limiting rod, a push plate is fixedly installed on one side of the slider, a rack is fixedly installed on one end of the slider, and the outer surface of the rack is meshingly connected with the outer surface of the gear.

[0009] Preferably, a pneumatic cylinder is fixedly mounted on the top of the box body, and an output end of the pneumatic cylinder passes through the box body and is fixedly connected to the top of the push plate.

[0010] Preferably, universal wheels are movably mounted at the four corners of the bottom of the base plate, the number of the universal wheels is four, and the sizes of the four universal wheels are the same.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The noise-reducing industrial fan has the advantages of low noise and high power. The noise generated by the fan is reduced in size and small size, and the noise generated by the fan is reduced in size. The noise generated by the fan during operation is reduced in size and small size, and the noise generated by the fan during operation is reduced in size. The noise generated by the fan during operation is reduced in size and small size, and the noise generated by the fan during operation is reduced in size. The noise-reducing industrial fan has the advantages of low noise and high power, and high power. The noise generated by the fan during operation is reduced in size and small size, and the ...

[0013] During daily use of this noise-reducing industrial fan, the operator starts the pneumatic cylinder. Due to the limiting effect of the limiting rod and the slider, the operation of the pneumatic cylinder will cause the push plate to slide, thereby driving the rack to slide, which will drive the gear and the circular shaft to rotate, and at the same time drive the turntable to rotate, thereby adjusting the blowing angle. The blowing angle of the fan can be automatically adjusted by the provided pneumatic cylinder and gear, thereby increasing its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 This is a schematic diagram of the top structure of the bottom plate of the utility model;

[0016] Figure 3 It is a cross-sectional view of the utility model;

[0017] Figure 4 For the utility model Figure 2 A partial enlarged view of point A in the middle.

[0018] In the figure: 1. loading plate; 2. soundproof box; 3. sound-absorbing sponge; 4. cover plate; 5. sound-absorbing hole; 6. vertical plate; 7. motor; 8. rotating shaft; 9. fan blade; 10. bottom plate; 11. closing plate; 12. heat dissipation groove; 13. vertical plate; 14. circular shaft; 15. turntable; 16. fixing frame; 17. bolt; 18. gear; 19. box body; 20. limit rod; 21. slider; 22. push plate; 23. rack; 24. pneumatic cylinder; 25. universal wheel. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-4 The utility model provides a technical solution: a noise-reducing industrial fan, including a carrier plate 1 and a bottom plate 10, a soundproof box 2 is fixedly installed on the top of the carrier plate 1, and a sound-absorbing sponge 3 is fixedly installed inside the soundproof box 2. The soundproof box 2 and the sound-absorbing sponge 3 can absorb the noise generated when the fan is running, reduce the noise generation, and thus achieve the purpose of noise reduction, and the soundproof box 2 and one end of the sound-absorbing sponge 3 are fixedly installed with a cover plate 4, and the surface of the cover plate 4 is provided with sound-absorbing holes 5 at equal distances, and the sound-absorbing holes 5 can reduce the noise from the air outlet and the air inlet, and the inside of the sound-absorbing sponge 3 is fixedly installed with a vertical plate 6, one end of the vertical plate 6 is fixedly installed with a motor 7, and the other end of the vertical plate 6 is fixedly installed with a rotating shaft 8, and the surface of the rotating shaft 8 is fixedly installed with fan blades 9, which will drive the fan blades 9 to rotate when the rotating shaft 8 rotates, and the output end of the motor 7 passes through the vertical plate 6 and is fixedly connected to one end of the rotating shaft 8, and the output end of the motor 7 passes through the vertical plate 6 and is fixedly connected to one end of the rotating shaft 8. The operation will cause the rotating shaft 8 to rotate. Vertical plates 13 are fixedly installed on both sides of the top of the bottom plate 10. A circular shaft 14 is rotatably installed between the vertical plates 13. One side of the circular shaft 14 penetrates the vertical plate 13 and extends to the right side of the vertical plate 13. A gear 18 located on the right side of the vertical plate 13 is fixedly sleeved on the surface of the circular shaft 14. When the gear 18 rotates, the circular shaft 14 will be driven to rotate. A turntable 15 is fixedly sleeved on the surface of the circular shaft 14. When the circular shaft 14 rotates, the turntable 15 will be driven to rotate. Fixed frames 16 are fixedly installed on both sides of the top of the turntable 15. Bolts 17 are rotatably installed on the surface of the fixed frame 16. The bottom of the bolt 17 penetrates the fixed frame 16 and extends to the inside of the turntable 15, and the top of the fixed frame 16 is fixedly connected to the bottom of the loading plate 1. By rotating the bolt 17, it can be unscrewed from the inside of the turntable 15 and the fixed frame 16, so that it can be disassembled, and vice versa. It can be installed.

[0021] The other end of the soundproof box 2 and the sound-absorbing sponge 3 is fixedly installed with a closing plate 11, and one end of the closing plate 11 is equidistantly provided with a heat dissipation groove 12. The motor 7 generates a large amount of heat during operation, which can be dissipated through the heat dissipation groove 12. A box body 19 is fixedly installed on one side of the vertical plate 13, and a limit rod 20 is fixedly installed inside the box body 19. A slider 21 is movably sleeved on the surface of the limit rod 20. The inner surface of the slider 21 and the outer surface of the limit rod 20 are both smooth, so that the slider 21 can slide more smoothly on the surface of the limit rod 20 and reduce the occurrence of jamming. A push plate 22 is fixedly installed on one side of the slider 21, and one end of the slider 21 is fixedly installed A rack 23 is installed. When the slider 21 slides on the surface of the limit rod 20, the push plate 22 and the rack 23 will be driven to slide synchronously, and the outer surface of the rack 23 is meshed with the outer surface of the gear 18. A pneumatic cylinder 24 is fixedly installed on the top of the box body 19, and the output end of the pneumatic cylinder 24 passes through the box body 19 and is fixedly connected to the top of the push plate 22. The operation of the pneumatic cylinder 24 will cause the push plate 22 to slide. Universal wheels 25 are movably installed at the four corners of the bottom of the base plate 10. There are four universal wheels 25, and the sizes of the four universal wheels 25 are the same. Due to the design of the universal wheels 25, the device can be moved freely, increasing its practicality.

[0022] Working principle: When the industrial fan needs to be adjusted or used, the operator first starts the motor 7. The operation of the motor 7 will cause the rotating shaft 8 to rotate, and then drive the fan blades 9 to rotate, and the blowing work can be completed. Secondly, the operator starts the pneumatic cylinder 24. Due to the limiting effect of the limit rod 20 and the slider 21, the operation of the pneumatic cylinder 24 will cause the push plate 22 to slide, and then drive the rack 23 to slide. At this time, it will drive the gear 18 and the circular shaft 14 to rotate, and at the same time, it will drive the turntable 15 to rotate, and then adjust the blowing angle. Then, when the rotating shaft 8 and the fan blades 9 rotate, noise will be generated. The sound insulation box 2 and the silencer sponge 3 can absorb the noise generated during the operation, and then through the silencer hole 5, the noise from the air outlet and the air inlet can be reduced, thereby achieving the purpose of noise reduction. Finally, the operator turns the bolt 17 and unscrews it from the inside of the turntable 15 and the fixing frame 16, so that it can be disassembled to increase its practicality.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A noise-reducing industrial fan, comprising a carrier plate (1) and a bottom plate (10), characterized in that: A soundproof box (2) is fixedly installed on the top of the loading plate (1), a soundproof sponge (3) is fixedly installed inside the soundproof box (2), a cover plate (4) is fixedly installed on the soundproof box (2) and one end of the soundproof sponge (3), and soundproof holes (5) are opened at equal distances on the surface of the cover plate (4), a vertical plate (6) is fixedly installed inside the soundproof sponge (3), a motor (7) is fixedly installed on one end of the vertical plate (6), a rotating shaft (8) is fixedly installed on the other end of the vertical plate (6), a fan blade (9) is fixedly installed around the surface of the rotating shaft (8), and the output end of the motor (7) passes through the vertical plate (6) and is fixedly connected to one end of the rotating shaft (8).

2. The noise-reducing industrial fan according to claim 1, characterized in that: Vertical plates (13) are fixedly mounted on both sides of the top of the bottom plate (10); a circular shaft (14) is rotatably mounted between the vertical plates (13); one side of the circular shaft (14) passes through the vertical plate (13) and extends to the right side of the vertical plate (13); a gear (18) located on the right side of the vertical plate (13) is fixedly sleeved on the surface of the circular shaft (14); a turntable (15) is fixedly sleeved on the surface of the circular shaft (14); a fixing frame (16) is fixedly mounted on both sides of the top of the turntable (15); a bolt (17) is rotatably mounted on the surface of the fixing frame (16); the bottom of the bolt (17) passes through the fixing frame (16) and extends to the inside of the turntable (15); and the top of the fixing frame (16) is fixedly connected to the bottom of the object loading plate (1).

3. The noise-reducing industrial fan according to claim 1, characterized in that: A closing plate (11) is fixedly mounted on the other end of the soundproof box (2) and the sound-absorbing sponge (3), and heat dissipation grooves (12) are provided at equal distances on one end of the closing plate (11).

4. The noise-reducing industrial fan according to claim 2, characterized in that: A box body (19) is fixedly mounted on one side of the vertical plate (13), a limiting rod (20) is fixedly mounted inside the box body (19), a slider (21) is movably sleeved on the surface of the limiting rod (20), a push plate (22) is fixedly mounted on one side of the slider (21), a rack (23) is fixedly mounted on one end of the slider (21), and the outer surface of the rack (23) is meshingly connected with the outer surface of the gear (18).

5. The noise-reducing industrial fan according to claim 4, characterized in that: A pneumatic cylinder (24) is fixedly mounted on the top of the box body (19), and an output end of the pneumatic cylinder (24) passes through the box body (19) and is fixedly connected to the top of the push plate (22).

6. The noise-reducing industrial fan according to claim 1, characterized in that: Universal wheels (25) are movably mounted at the four corners of the bottom of the base plate (10). There are four universal wheels (25), and the sizes of the four universal wheels (25) are the same.

Images