CN222121814U - A high-efficiency sound-insulating and noise-reducing centrifugal fan - Google Patents
A high-efficiency sound-insulating and noise-reducing centrifugal fan Download PDFInfo
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- CN222121814U CN222121814U CN202420634792.7U CN202420634792U CN222121814U CN 222121814 U CN222121814 U CN 222121814U CN 202420634792 U CN202420634792 U CN 202420634792U CN 222121814 U CN222121814 U CN 222121814U
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- 238000009413 insulation Methods 0.000 claims description 46
- 238000009434 installation Methods 0.000 claims description 19
- 229920000742 Cotton Polymers 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 238000013016 damping Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of centrifugal fans, and discloses a high-efficiency sound-insulating and noise-reducing centrifugal fan, wherein a sound-insulating box is movably connected to the top of a fixed base, a mounting base is movably connected to the top of the fixed base at the position inside the sound-insulating box, a centrifugal fan main body is fixedly connected to the top of the mounting base, stable mounting frames are arranged on two sides of the surface of the mounting base, mounting fixing plates are arranged on two sides of the surface of the fixed base close to the bottom, mounting bolts which are orderly arranged are movably connected to the surface of the mounting fixing plates, an air outlet pipe is movably connected to one side of the inside of the sound-insulating box close to the top, the fixed base is fixedly connected to the top of the fixed base through the mounting bolts, a rectangular through hole is formed in the position of the sound-insulating box, an air inlet hole is formed in one side of the surface of the sound-insulating box, noise generated by running of the centrifugal fan main body is blocked, the noise is reduced, and the working environment is improved.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to a high-efficiency sound-insulation noise-reduction centrifugal fan.
Background
The centrifugal fan is a machine for increasing the pressure of gas and discharging the gas by means of input mechanical energy, is a driven fluid machine, and is widely used for ventilation, dust discharge, cooling and the like of factories, mines, tunnels, cooling towers, vehicles, ships and buildings.
In the existing centrifugal fan working process, large noise is generated due to rotation of the impeller, flowing of wind and mechanical operation, physical and mental health of surrounding workers is seriously affected, vibration is generated due to operation of the centrifugal fan and the noise, service life of the fan is greatly affected due to the large vibration, maintenance and replacement frequency of the fan is increased, and cost expenditure is increased.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a high-efficiency sound-insulation noise-reduction centrifugal fan, which solves the problems in the prior art.
The utility model provides a technical scheme that the high-efficiency sound-insulation noise-reduction centrifugal fan is characterized in that a sound insulation box is movably connected to the top of a fixed base, a mounting base is movably connected to the top of the fixed base at the inner position of the sound insulation box, a centrifugal fan main body is fixedly connected to the top of the mounting base, stable mounting frames are arranged on two sides of the surface of the mounting base, mounting fixing plates are arranged on two sides of the surface of the fixed base close to the bottom, mounting bolts which are orderly arranged are movably connected to the surface of the mounting fixing plates, an air outlet pipe is movably connected to one side of the inner part of the sound insulation box close to the top, the fixed base is fixedly connected to the top position of the fixed base through the mounting bolts, noise generated by the operation of the centrifugal fan main body is blocked through the sound insulation box, the transmission of the noise is reduced, and the working environment is improved;
Further, the rectangle through-hole has been seted up to the position that the sound insulation case is located swing joint tuber pipe that goes out, the inlet port has been seted up to sound insulation case surface one side, the motor hole has been seted up to the inlet port one side surface that the sound insulation case was kept away from and was seted up, the soundproof cotton has been seted up to sound insulation case inner wall position, through soundproof cotton, is favorable to adsorbing the noise that centrifugal fan main part operation produced, the outgoing of noise reduction.
Further, the air outlet is formed in the air outlet pipe, the servo motor is arranged on one side of the surface of the centrifugal fan main body, and the centrifugal fan main body is driven to operate through the servo motor.
Further, stable mounting bracket includes the rectangle stopper, the cylinder pole has all been seted up to rectangle stopper bottom both sides position, fixing bolt has all been cup jointed in the equal activity in rectangle stopper middle part, the mounting base is through stable mounting bracket fixed connection in unable the top position of unable rocking of mounting base, is favorable to being connected more firm with mounting base and unable through the rectangle stopper with the cylinder pole that stable mounting bracket was seted up.
Further, rectangular mounting grooves are formed in the positions, located at the top of the fixing base, of the movable connection mounting base, sound insulation grooves are formed in the positions, located at the top of the fixing base, of the movable connection sound insulation boxes, mounting screw holes which are orderly arranged are formed in the positions, located at the top of the fixing base, of the fixing plate, movably connected with mounting bolts, damping gaskets are formed in the positions, located at the inner surfaces of the rectangular mounting grooves, of the fixing base, air cushions which are orderly arranged are formed in the surfaces of the damping gaskets, blocking of the mounting base and the fixing base is facilitated through the damping gaskets, and collision increasing noise and vibration caused by direct contact of the fixing base and the mounting base are prevented.
The utility model has the technical effects and advantages that:
1. The sound insulation box and the sound insulation cotton are arranged, so that the noise generated by the rotation of the impeller, the flow of wind and the mechanical operation is absorbed through the sound insulation cotton and is blocked through the sound insulation box, the noise is reduced to a certain extent, and the office environment of surrounding staff is improved.
2. The utility model is beneficial to more firmly installing the centrifugal fan main body at the top position of the fixed base by arranging the stable installation frame and the damping gasket, reduces vibration generated when the centrifugal fan main body operates, blocks slight vibration when the centrifugal fan main body operates by the inflatable cushion on the surface of the damping gasket, and prevents the vibration from being increased due to collision between the installation base and the fixed base, thereby protecting the internal parts of the fan, prolonging the service life of the fan, reducing the maintenance and replacement frequency and reducing the cost expenditure.
Drawings
Fig. 1 is a schematic view of the whole cross-sectional structure of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of the present utility model.
Fig. 3 is a schematic cross-sectional view of the sound insulation box structure of the present utility model.
Fig. 4 is a schematic view of the structure of the mounting base of the present utility model.
Fig. 5 is a schematic view of the structure of the stable mount of the present utility model.
Fig. 6 is a schematic cross-sectional view of a fixing base structure of the present utility model.
The reference sign is 1, fixed base; 101, rectangular mounting grooves, 102, sound insulation grooves, 103, mounting screw holes, 2, a sound insulation box, 201, a mounting fixing plate, 202, rectangular through holes, 203, an air inlet, 204, a motor hole, 3, a mounting base, 4, a centrifugal fan main body, 5, a stable mounting rack, 501, a rectangular limiting block, 502, a cylindrical rod, 503, a fixing bolt, 6, a mounting bolt, 7, an air outlet pipe, 701, an air outlet, 8, sound insulation cotton, 9, a servo motor, 10, a damping gasket, 1001 and an inflatable cushion.
Detailed Description
The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the efficient sound-insulating and noise-reducing centrifugal fan according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present utility model.
Referring to fig. 1-6, the utility model provides a high-efficiency sound insulation and noise reduction centrifugal fan, the top of a fixed base 1 is movably connected with a sound insulation box 2, the top of the fixed base 1 is movably connected with a mounting base 3 at the inner position of the sound insulation box 2, the top of the mounting base 3 is fixedly connected with a centrifugal fan main body 4, stable mounting frames 5 are arranged on two sides of the surface of the mounting base 3, mounting fixing plates 201 are arranged on two sides of the surface of the fixed base 1 and close to the bottom, mounting bolts 6 which are orderly arranged are movably connected on the surface of the mounting fixing plates 201, an air outlet pipe 7 is movably connected on one side of the inner part of the sound insulation box 2 close to the top, the fixed base 1 is fixedly connected to the top position of the fixed base 1 through the mounting bolts 6, noise generated by the running of the centrifugal fan main body 4 is blocked, the transmission of the noise is reduced, and the working environment is improved;
referring to fig. 3, a rectangular through hole 202 is formed in a position of the sound insulation box 2, which is movably connected with the air outlet pipe 7, an air inlet 203 is formed in one side of the surface of the sound insulation box 2, a motor hole 204 is formed in the surface of the sound insulation box 2, which is far away from the formed air inlet 203, a sound insulation cotton 8 is formed in the inner wall of the sound insulation box 2, and noise generated by operation of the centrifugal fan main body 4 is adsorbed through the sound insulation cotton 8, so that the noise is reduced.
Referring to fig. 4, an air outlet 701 is formed in the air outlet pipe 7, a servo motor 9 is formed on one side of the surface of the centrifugal fan main body 4, and the centrifugal fan main body 4 is driven to operate by the servo motor 9.
Referring to fig. 5, the stable installation frame 5 includes a rectangular limiting block 501, two sides of the bottom of the rectangular limiting block 501 are respectively provided with a cylindrical rod 502, the middle of the rectangular limiting block 501 is movably sleeved with a fixing bolt 503, the installation base 3 is fixedly connected to the top of the fixing base 1 through the stable installation frame 5, the cylindrical rods 502 provided by the stable installation frame 5 are beneficial to more firmly connecting the installation base 3 with the fixing base 1, and the installation base 3 cannot shake through the rectangular limiting block 501.
Referring to fig. 6, a rectangular mounting groove 101 is formed in the position of the top of the fixed base 1, which is located at the movably connected mounting base 3, a sound insulation groove 102 is formed in the position of the top of the fixed base 1, which is located at the movably connected sound insulation box 2, mounting screw holes 103 which are orderly arranged are formed in the positions of the movably connected mounting bolts 6 on the surface of the mounting fixed plate 201, a shock absorption gasket 10 is formed in the inner surface of the rectangular mounting groove 101 formed in the fixed base 1, an air cushion 1001 which is orderly arranged is formed on the surface of the shock absorption gasket 10, and the shock absorption gasket 10 is beneficial to blocking the mounting base 3 from the fixed base 1, so that collision increasing noise and vibration caused by direct contact between the fixed base 1 and the mounting base 3 are prevented.
The centrifugal fan comprises a centrifugal fan body 4, a servo motor 9 arranged on one side of the centrifugal fan body 4 is started, the servo motor 9 drives the centrifugal fan body 4 to operate, external air is sucked through a mounting fixing plate 201 arranged on a sound insulation box 2 during operation of the servo motor 9, noise generated by operation of the centrifugal fan body 4 and rotation of an impeller is absorbed and blocked through sound insulation cotton 8 arranged on the sound insulation box 2 and the inner wall of the sound insulation box 2, noise transmission is reduced, meanwhile, the centrifugal fan body 4 drives a mounting base 3 to generate certain vibration during operation of the centrifugal fan body 4, a stable mounting frame 5 arranged on the mounting base 3 reinforces between the mounting base 3 and the fixing base 1 through a cylindrical rod 502 and a fixing bolt 503, vibration amplitude is reduced, the mounting base 3 and the fixing base 1 are blocked through a shock pad 10 and an inflatable cushion 1001 arranged on the shock pad 10 during vibration of the centrifugal fan body 4, vibration of the mounting base 3 and the fixing base 1 are prevented from being collided, and the force of the inflatable cushion 1001 is absorbed, accordingly, the vibration of the centrifugal fan body 4 is reduced, and the service life of the centrifugal fan body 4 is prolonged.
Finally, the foregoing description of the preferred embodiment of the utility model is provided for the purpose of illustration only, and is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (5)
1. The efficient sound insulation and noise reduction centrifugal fan comprises a fixed base (1) and is characterized in that a sound insulation box (2) is movably connected to the top of the fixed base (1), an installation base (3) is movably connected to the top of the fixed base (1) at the inner position of the sound insulation box (2), a centrifugal fan main body (4) is fixedly connected to the top of the installation base (3), stable installation frames (5) are arranged on two sides of the surface of the installation base (3), installation fixing plates (201) are arranged on two sides of the surface of the fixed base (1) close to the bottom, installation bolts (6) are movably connected to the surface of the installation fixing plates (201), an air outlet pipe (7) is movably connected to one side, close to the top, of the inside of the sound insulation box (2), and the fixed base (1) is fixedly connected to the top position of the fixed base (1) through the installation bolts (6).
2. The efficient sound-insulating and noise-reducing centrifugal fan disclosed in claim 1, wherein the sound-insulating box (2) is provided with a rectangular through hole (202) at a position movably connected with the air outlet pipe (7), an air inlet hole (203) is formed in one side of the surface of the sound-insulating box (2), a motor hole (204) is formed in the surface, far away from the formed air inlet hole (203), of the sound-insulating box (2), and sound-insulating cotton (8) is formed in the inner wall of the sound-insulating box (2).
3. The efficient sound-insulating and noise-reducing centrifugal fan according to claim 1, wherein an air outlet (701) is formed in the air outlet pipe (7), and a servo motor (9) is arranged on one side of the surface of the centrifugal fan main body (4).
4. The efficient sound-insulation noise-reduction centrifugal fan disclosed in claim 1, wherein the stable installation frame (5) comprises rectangular limiting blocks (501), cylindrical rods (502) are respectively arranged at two sides of the bottom of each rectangular limiting block (501), fixing bolts (503) are movably sleeved at the middle of each rectangular limiting block (501), and the installation base (3) is fixedly connected to the top of the fixed base (1) through the stable installation frame (5).
5. The efficient sound insulation and noise reduction centrifugal fan disclosed in claim 1 is characterized in that a rectangular mounting groove (101) is formed in the position of the top of the fixed base (1) located on the movable connection mounting base (3), a sound insulation groove (102) is formed in the position of the top of the fixed base (1) located on the movable connection sound insulation box (2), mounting screw holes (103) which are orderly arranged are formed in the position of the top of the fixed base (1) located on the surface of the mounting fixing plate (201) in a movable connection mode, a shock absorption gasket (10) is formed in the position of the inner surface of the rectangular mounting groove (101) formed in the fixed base (1), and an air cushion (1001) which is orderly arranged is formed in the surface of the shock absorption gasket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420634792.7U CN222121814U (en) | 2024-03-29 | 2024-03-29 | A high-efficiency sound-insulating and noise-reducing centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420634792.7U CN222121814U (en) | 2024-03-29 | 2024-03-29 | A high-efficiency sound-insulating and noise-reducing centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222121814U true CN222121814U (en) | 2024-12-06 |
Family
ID=93684296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420634792.7U Active CN222121814U (en) | 2024-03-29 | 2024-03-29 | A high-efficiency sound-insulating and noise-reducing centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222121814U (en) |
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2024
- 2024-03-29 CN CN202420634792.7U patent/CN222121814U/en active Active
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