CN219953762U - Exhaust fan with noise reduction mechanism - Google Patents
Exhaust fan with noise reduction mechanism Download PDFInfo
- Publication number
- CN219953762U CN219953762U CN202320913712.7U CN202320913712U CN219953762U CN 219953762 U CN219953762 U CN 219953762U CN 202320913712 U CN202320913712 U CN 202320913712U CN 219953762 U CN219953762 U CN 219953762U
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- CN
- China
- Prior art keywords
- noise reduction
- driving motor
- shell
- exhaust fan
- fixedly connected
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- 230000009467 reduction Effects 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 229920000742 Cotton Polymers 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to the technical field of exhaust fans, in particular to an exhaust fan with a noise reduction mechanism, which comprises a shell and noise reduction components, wherein connecting pieces are arranged at two ends of the shell and fixedly connected with the shell, a driving motor is arranged in the shell, a fan is arranged at the output end of the driving motor and fixedly connected with the driving motor, a mounting ring is arranged outside the driving motor and fixedly connected with the driving motor in a surrounding manner, the mounting rings are distributed on two sides of the driving motor, the noise reduction components are fixedly connected with the inner wall of the shell, vibration generated during operation of the motor can be finally absorbed, and noise generated during air flow during air exhaust can be absorbed, so that noise reduction treatment is performed.
Description
Technical Field
The utility model relates to the technical field of exhaust fans, in particular to an exhaust fan with a noise reduction mechanism.
Background
The exhaust fan achieves the effect of ventilation by exhausting air indoors or outdoors. The flow of the air around the human body can promote the evaporation of body fluid, and the exhaust fan plays roles of naturally cooling, removing peculiar smell, dust and oil fume, thereby avoiding uncomfortable reaction caused by poor ventilation. When the air inlet impeller is operated, the input electric power drives the fan impeller to rotate through the motor so as to achieve the effect of air suction or air suction on air, the fan is composed of an air inlet impeller shell motor and other elements, the motor converts the electric power into mechanical power to drive the impeller to rotate, the air inlet is used for guiding air to smoothly enter the impeller, and the impeller is used for transferring kinetic energy generated during rotation to the air.
The existing exhaust fan is easy to generate great noise to influence the surrounding environment due to the fact that the working strength of a motor is high when the existing exhaust fan is used, and meanwhile, noise is also generated when air flows through the inside of the exhaust fan after the exhaust fan is operated, so that the exhaust fan with the noise reduction mechanism is needed, and the problems are solved.
Disclosure of Invention
In order to solve the above problems in the prior art, an exhaust fan with a noise reduction mechanism is provided.
The specific technical scheme is as follows:
the utility model provides an exhaust fan with mechanism of making an uproar falls, includes the shell and falls the subassembly of making an uproar, the both ends of shell are equipped with the piece that links up, link up piece fixed connection the shell, the inside of shell is equipped with driving motor, driving motor's output is equipped with the fan, fan fixed connection driving motor's outside is equipped with the collar, the collar encircles fixed connection driving motor, the collar distributes driving motor's both sides, the subassembly fixed connection of making an uproar falls the inner wall of shell.
Preferably, the shell is internally provided with a mounting groove, and a damping ring is arranged in the mounting groove.
Preferably, the mounting ring is fixedly connected with the inner wall of the housing.
Preferably, the noise reduction components are uniformly distributed in the shell, and the noise reduction components are provided with sound absorption holes which are uniformly distributed.
Preferably, ventilation grooves which are uniformly distributed in a surrounding mode are formed in one side of the noise reduction assembly, and the ventilation grooves are communicated with the sound absorption holes.
Preferably, the noise reduction assembly is internally provided with sound absorption cotton, and the sound absorption cotton is fixedly connected with the noise reduction assembly.
The technical scheme has the following advantages or beneficial effects:
through the shell that sets up and the subassembly of making an uproar falls, control box at shell top is connected in external control, and pass through line connection driving motor, thereby make driving motor function back can take the fan to rotate and then set up and exhaust, and the vibration that produces in driving motor operation in-process passes through the collar and transmits to the inside damping ring of mounting groove, thereby absorb, and then make an uproar falls in the preliminary in-process air current that driving motor takes the fan to operate and exhaust passes through the shell and the inside of the subassembly of making an uproar falls, and then make partial air current enter into the inside of the subassembly of making an uproar falls through inhaling the sound hole, and be inhaled the cotton and fall the noise of making an uproar, later discharge from the ventilation groove, finally can absorb the vibration that produces when the motor operation, and the produced noise when the air current is out absorbs, thereby make an uproar falls and handle.
Drawings
Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.
FIG. 1 is a schematic diagram of the overall external structure of an exhaust fan with a noise reduction mechanism according to the present utility model;
FIG. 2 is a schematic diagram of the overall internal structure of an exhaust fan with a noise reduction mechanism according to the present utility model;
FIG. 3 is a schematic diagram of the internal structure of a housing and an object of an exhaust fan with a noise reduction mechanism according to the present utility model;
fig. 4 is a schematic diagram of a noise reduction assembly of an exhaust fan with a noise reduction mechanism and an object thereof according to the present utility model.
The above reference numerals denote: 10. a housing; 11. a linking member; 12. a mounting groove; 13. a shock-absorbing ring; 14. a mounting ring; 15. a driving motor; 16. a fan; 20. a noise reduction assembly; 21. a sound absorbing hole; 22. a ventilation groove; 23. sound absorbing cotton.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1 to 4, an exhaust fan with a noise reduction mechanism comprises a housing 10 and a noise reduction assembly 20, wherein connecting pieces 11 are arranged at two ends of the housing 10, the connecting pieces 11 are fixedly connected with the housing 10, a driving motor 15 is arranged in the housing 10, a fan 16 is arranged at an output end of the driving motor 15 and fixedly connected with the driving motor 15, a mounting ring 14 is arranged outside the driving motor 15, the mounting ring 14 is fixedly connected with the driving motor 15 in a surrounding manner, the mounting rings 14 are distributed at two sides of the driving motor 15, and the noise reduction assembly 20 is fixedly connected with the inner wall of the housing 10; the top of the housing 10 is provided with a control box for being connected with the driving motor 15 after being connected, so as to control the operation of the driving motor 15, and the housing 10, the connecting piece 11, the driving motor 15 and the fan 16 form a common exhaust fan, and the connecting piece 11 is mainly used for installation and connection.
Further, an installation groove 12 is formed in the shell 10, and a damping ring 13 is arranged in the installation groove 12; the damping ring 13 is a common damping sponge, so that vibration generated by the driving motor 15 is absorbed, and the purpose of noise reduction is achieved.
Further, the mounting ring 14 is fixedly connected with the inner wall of the housing 10; the mounting ring 14 is composed of two rings and an intermediate rod, and is fixedly connected with each other, while the inner ring is fixedly connected with the driving motor 15, the outer ring is fixedly connected with the inside of the housing 10 by bolts, and the fixed connection is the outer wall of the mounting groove 12.
Further, the noise reduction components 20 are uniformly distributed in the shell 10, and the noise reduction components 20 are provided with sound absorption holes 21 which are uniformly distributed; the noise reduction assembly 20 is distributed on the inner wall of the shell 10 except the mounting groove 12, so that sound absorption treatment is guaranteed on the passing air flow, sound absorption holes 21 are formed in the inner ring side of the noise reduction assembly 20, and the passing air flow is convenient to enter the noise reduction assembly 20.
Further, a ventilation groove 22 uniformly distributed around is formed on one side of the noise reduction assembly 20, and the ventilation groove 22 and the sound absorption hole 21 are communicated with each other; the ventilation groove 22 is used for exhausting air flow entering the noise reduction assembly 20, and is matched with the sound absorbing cotton 23 so that the air flow passes through the noise reduction assembly 20 more slowly and uniformly, and therefore the purpose of noise reduction is achieved.
Further, the noise reduction assembly 20 is internally provided with sound absorption cotton 23, and the sound absorption cotton 23 is fixedly connected with the noise reduction assembly 20; the sound-absorbing cotton 23 is a common sound-absorbing and sound-insulating cotton.
Working principle: when the device is used, through the shell 10 and the noise reduction assembly 20, when the control box at the top of the shell 10 is connected through external control, and the driving motor 15 is connected through a circuit, so that the driving motor 15 can rotate with the fan 16 to further exhaust air, vibration generated in the operation process of the driving motor 15 is transmitted to the damping ring 13 in the installation groove 12 through the installation ring 14, thereby absorbing, further primarily reducing noise, the driving motor 15 can exhaust air with the fan 16, the air flow passes through the shell 10 and the noise reduction assembly 20, further part of the air flow enters the noise reduction assembly 20 through the sound absorption hole 21, noise is reduced through the sound absorption cotton 23, then the air is discharged from the ventilation groove 22, finally the vibration generated in the operation of the motor can be absorbed, and the noise generated when the air flow passes through the air exhaust is absorbed, thereby reducing noise.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (6)
1. An exhaust fan with mechanism of making an uproar falls, its characterized in that: including shell (10) and subassembly (20) of making an uproar falls, the both ends of shell (10) are equipped with link up piece (11), link up piece (11) fixed connection shell (10), the inside of shell (10) is equipped with driving motor (15), the output of driving motor (15) is equipped with fan (16), fan (16) fixed connection driving motor (15), the outside of driving motor (15) is equipped with collar (14), collar (14) encircle fixed connection driving motor (15), collar (14) are in the both sides of driving motor (15), subassembly (20) fixed connection of making an uproar falls the inner wall of shell (10).
2. An exhaust fan with noise reduction mechanism according to claim 1, wherein: the inner part of the shell (10) is provided with a mounting groove (12), and the inner part of the mounting groove (12) is provided with a damping ring (13).
3. An exhaust fan with noise reduction mechanism according to claim 1, wherein: the mounting ring (14) is fixedly connected with the inner wall of the shell (10).
4. An exhaust fan with noise reduction mechanism according to claim 1, wherein: the noise reduction assemblies (20) are uniformly distributed in the shell (10), and the noise reduction assemblies (20) are provided with sound absorption holes (21) which are uniformly distributed in an arrangement mode.
5. An exhaust fan with noise reduction mechanism according to claim 4, wherein: ventilation grooves (22) uniformly distributed in a surrounding mode are formed in one side of the noise reduction assembly (20), and the ventilation grooves (22) are communicated with the sound absorption holes (21).
6. An exhaust fan with noise reduction mechanism according to claim 5, wherein: the noise reduction assembly is characterized in that sound absorption cotton (23) is arranged in the noise reduction assembly (20), and the sound absorption cotton (23) is fixedly connected with the noise reduction assembly (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320913712.7U CN219953762U (en) | 2023-04-21 | 2023-04-21 | Exhaust fan with noise reduction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320913712.7U CN219953762U (en) | 2023-04-21 | 2023-04-21 | Exhaust fan with noise reduction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953762U true CN219953762U (en) | 2023-11-03 |
Family
ID=88550368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320913712.7U Active CN219953762U (en) | 2023-04-21 | 2023-04-21 | Exhaust fan with noise reduction mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953762U (en) |
-
2023
- 2023-04-21 CN CN202320913712.7U patent/CN219953762U/en active Active
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