CN218669963U - Centrifugal fan with vibration/noise reduction function - Google Patents
Centrifugal fan with vibration/noise reduction function Download PDFInfo
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- CN218669963U CN218669963U CN202223325185.2U CN202223325185U CN218669963U CN 218669963 U CN218669963 U CN 218669963U CN 202223325185 U CN202223325185 U CN 202223325185U CN 218669963 U CN218669963 U CN 218669963U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a centrifugal fan with vibration/noise reduction function, including box and centrifugal fan, rotate on the box and install a plurality of gyro wheels one, fixed mounting has the bottom plate on the box, fixed mounting has a plurality of spring beam one on the bottom plate, and is a plurality of common fixed mounting has a backing plate on the spring beam one, be fixed connection between centrifugal fan and the backing plate, fixed mounting has a plurality of magnet two on the backing plate. Has the advantages that: absorb through the noise that the centrifugal fan produced in to the box, noise that to a certain extent can effectual reduction centrifugal fan, noise abatement pollutes, comes simultaneously to carry out the shock attenuation buffering between backing plate and the bottom plate and between backing plate and the box, the vibrations that produce when effectual reduction centrifugal fan functions.
Description
Technical Field
The utility model relates to a centrifugal fan technical field especially relates to a centrifugal fan with vibration/noise reduction function.
Background
The centrifugal ventilator is a blowing device with large blowing force, is mainly used for ventilating a closed space, mainly comprises fan blades, a rotating shaft, a shell, a coupling and the like, and is the most commonly used blowing device.
The existing centrifugal ventilator has the following defects in the specific use process: 1. the noise is high in the using process; 2. the vibration amplitude generated in the use process is large, and the blowing efficiency of the centrifugal ventilator is influenced.
Therefore, the novel centrifugal ventilator with the functions of shock absorption and noise reduction can be adopted to solve the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the existing problems in the prior art and providing a centrifugal fan with vibration/noise reduction function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a centrifugal fan with vibration/noise reduction function, includes box and centrifugal fan, rotate on the box and install a plurality of gyro wheels one, fixed mounting has the bottom plate on the box, fixed mounting has a plurality of spring beam one on the bottom plate, and is a plurality of common fixed mounting has a backing plate on the spring beam one, be fixed connection between centrifugal fan and the backing plate, fixed mounting has a plurality of magnet two on the backing plate, fixed mounting has a plurality of and corresponds magnet two-phase complex magnet one on the bottom plate, fixed mounting has a plurality of spring beam two on the backing plate, every equal fixed mounting has a support, every on the spring beam two all rotate on the support and install a gyro wheel two, install damper between bottom plate and the backing plate.
In foretell centrifugal fan with vibration/noise reduction function, seted up a plurality of hemisphere grooves on the box inner wall, every all fixed paste has the soundproof cotton on the hemisphere groove.
In foretell centrifugal fan with vibration/noise reduction function, damper includes cock stem, inflator and spring one, fixed mounting has the cock stem on the backing plate, fixed mounting has the inflator with cock stem matched with on the bottom plate, fixed mounting has spring one between cock stem and the inflator, install on the inflator with cock stem matched with gassing structure and air inlet structure.
In foretell centrifugal fan with vibration/noise reduction function, the gassing structure includes baffle one, slide one and spring three, gas pocket one has been seted up on the inflator, slide one is installed through sliding part on the gas pocket, fixed mounting has baffle one on the slide one, fixed mounting has spring three between slide one and the inflator.
In foretell centrifugal fan with vibration/noise reduction function, air intake structure includes baffle two, slide two and spring two, gas pocket two has been seted up on the inflator, slidable mounting has slide two on the gas pocket two, fixed mounting has baffle two on the slide two, install spring two between slide two and the inflator.
In foretell centrifugal fan with vibration/noise reduction function, the sliding part includes slider and spout, the spout has been seted up on the slide, fixed mounting has the slider with spout matched with on the inflator.
Compared with the prior art, the utility model discloses the advantage lies in:
1: through setting up box, hemisphere groove and soundproof cotton, can absorb the noise that the centrifugal fan in the box produced, noise that to a certain extent can effectual reduction centrifugal fan, noise pollution abatement.
2: through setting up spring beam one, spring beam two, gyro wheel two, magnet one, magnet two, cock stem and inflator, can carry out the shock attenuation buffering between backing plate and the bottom plate and between backing plate and the box, the vibrations that produce when effectual reduction centrifugal fan operates.
To sum up, the utility model discloses a noise that produces the centrifugal fan in the box absorbs, noise that to a certain extent can effectual reduction centrifugal fan, noise abatement pollutes, comes simultaneously to carry out the shock attenuation buffering between backing plate and the bottom plate and between backing plate and the box, the vibrations that produce when effectual reduction centrifugal fan functions.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a centrifugal fan with vibration and noise reduction functions provided by the present invention;
fig. 2 is an enlarged detailed view of a portion a in fig. 1.
In the figure: the centrifugal fan comprises a box body 1, a centrifugal fan body 2, a roller I3, a bottom plate 4, a backing plate 5, a spring rod I6, a magnet I7, a magnet II 8, a roller II 9, a hemisphere groove 10, a plunger rod 11, an air cylinder 12, a spring I13, a baffle I14, a slide plate I15, a baffle II 16, a slide plate II 17, a spring II 18 and a spring III 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a centrifugal fan with damping and noise reducing functions comprises a box body 1 and a centrifugal fan 2, wherein a plurality of rollers I3 are rotatably mounted on the box body 1, a bottom plate 4 is fixedly mounted on the box body 1, a plurality of spring rods I6 are fixedly mounted on the bottom plate 4, a backing plate 5 is fixedly mounted on the spring rods I6 together, the centrifugal fan 2 is fixedly connected with the backing plate 5, a plurality of magnets II 8 are fixedly mounted on the backing plate 5, a plurality of magnets I7 matched with the corresponding magnets II 8 are fixedly mounted on the bottom plate 4, a plurality of spring rods II are fixedly mounted on the backing plate 5, a support is fixedly mounted on each spring rod II, a roller II 9 is rotatably mounted on each support, and a damping mechanism is mounted between the bottom plate 4 and the backing plate 5;
the following points are notable:
1. seted up a plurality of hemisphere grooves 10 on the 1 inner wall of box, all fixed paste has the soundproof cotton on every hemisphere groove 10, and the effect that sets up like this is in order to absorb the noise in the box 1.
2. The damping mechanism comprises a plug rod 11, an air cylinder 12 and a spring I13, the plug rod 11 is fixedly installed on the base plate 5, the air cylinder 12 matched with the plug rod 11 is fixedly installed on the base plate 4, the spring I13 is fixedly installed between the plug rod 11 and the air cylinder 12, and an air discharging structure and an air inlet structure matched with the plug rod 11 are installed on the air cylinder 12.
3. The air bleeding structure comprises a first baffle plate 14, a first sliding plate 15 and a third spring 19, wherein a first air hole is formed in the air cylinder 12, the first sliding plate 15 is installed on the first air hole through a sliding part, the first baffle plate 14 is fixedly installed on the first sliding plate 15, and the third spring 19 is fixedly installed between the first sliding plate 15 and the air cylinder 12, so that the air bleeding structure is used for bleeding air in the air cylinder 12 to reduce the pressure in the air cylinder 12, and the purpose of shock absorption is achieved.
4. The air inlet structure comprises a second baffle plate 16, a second sliding plate 17 and a second spring 18, the air cylinder 12 is provided with a second air hole, the second sliding plate 17 is slidably mounted on the second air hole, the second baffle plate 16 is fixedly mounted on the second sliding plate 17, and the second spring 18 is mounted between the second sliding plate 17 and the air cylinder 12, so that the air inlet structure has the function of enabling outside air to enter the air cylinder 12 and facilitating upward movement of the plunger rod 11.
5. The sliding component comprises a sliding block and a sliding groove, the sliding groove is formed in the sliding plate I15, the sliding block matched with the sliding groove is fixedly installed on the air cylinder 12, and the sliding block is arranged to reduce the friction force between the sliding plate I15 and the air cylinder 12 so that the sliding plate I15 can slide more smoothly.
Absorb the noise that 2 produced of centrifugal fan in to box 1 through soundproof cotton, but the noise of effectual reduction centrifugal fan 2, noise pollution abatement to a certain extent.
When the centrifugal ventilator 2 vibrates during operation, the vibration is buffered by the spring rod I6 and the spring rod II pair of the base plates 5; then under the repulsion action of the first magnet 7 and the second magnet 8, the vibration amplitude is further reduced; when the backing plate 5 moves downwards, the stopper rod 11 is driven to move downwards, so that the pressure intensity in the stopper rod 11 and the pressure intensity in the air cylinder 12 are gradually increased, the first baffle plate 14 is pressed to be separated from the air cylinder 12 along with the gradual increase of the pressure intensity, at the moment, the pressure intensity in the air cylinder 12 is released, a damping effect can be achieved, under the action of the first spring 13, the stopper rod 11 rebounds, in the rebounding process, the pressure intensity between the air cylinder 12 and the stopper rod 11 is small, then the second baffle plate 16 is pushed away by external air, so that the external air enters the air cylinder 12, and the stopper rod 11 can be restored.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a centrifugal fan with vibration/noise reduction function, includes box (1) and centrifugal fan (2), its characterized in that, rotate on box (1) and install a plurality of gyro wheels (3), fixed mounting has bottom plate (4) on box (1), fixed mounting has a plurality of spring beam (6) on bottom plate (4), and is a plurality of common fixed mounting has a backing plate (5) on spring beam (6), be fixed connection between centrifugal fan (2) and backing plate (5), fixed mounting has a plurality of magnet two (8) on backing plate (5), fixed mounting has a plurality of and corresponds magnet two (8) matched with magnet (7) on bottom plate (4), fixed mounting has a plurality of spring beam two on backing plate (5), every equal fixed mounting has a support on the spring beam two, every all rotate on the support and install a gyro wheel two (9), install damper between bottom plate (4) and backing plate (5).
2. The centrifugal ventilator with the vibration and noise reduction function as claimed in claim 1, wherein a plurality of hemispherical grooves (10) are formed in the inner wall of the box body (1), and sound insulation cotton is fixedly adhered to each hemispherical groove (10).
3. The centrifugal ventilator with the vibration and noise reduction function according to claim 1, wherein the vibration reduction mechanism comprises a plug rod (11), a cylinder (12) and a first spring (13), the plug rod (11) is fixedly mounted on the backing plate (5), the cylinder (12) matched with the plug rod (11) is fixedly mounted on the bottom plate (4), the first spring (13) is fixedly mounted between the plug rod (11) and the cylinder (12), and the cylinder (12) is provided with a deflation structure and an air intake structure matched with the plug rod (11).
4. The centrifugal ventilator with the vibration and noise reduction function according to claim 3, wherein the air release structure comprises a first baffle plate (14), a first sliding plate (15) and a third spring (19), the air cylinder (12) is provided with a first air hole, the first sliding plate (15) is mounted on the air hole through a sliding part, the first baffle plate (14) is fixedly mounted on the first sliding plate (15), and the third spring (19) is fixedly mounted between the first sliding plate (15) and the air cylinder (12).
5. The centrifugal ventilator with the vibration and noise reduction function according to claim 3, wherein the air inlet structure comprises a second baffle plate (16), a second sliding plate (17) and a second spring (18), the air cylinder (12) is provided with a second air hole, the second sliding plate (17) is slidably mounted on the second air hole, the second baffle plate (16) is fixedly mounted on the second sliding plate (17), and the second spring (18) is mounted between the second sliding plate (17) and the air cylinder (12).
6. The centrifugal ventilator with the shock absorption and noise reduction functions as claimed in claim 4, wherein the sliding part comprises a sliding block and a sliding slot, the sliding plate I (15) is provided with the sliding slot, and the air cylinder (12) is fixedly provided with the sliding block matched with the sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325185.2U CN218669963U (en) | 2022-12-12 | 2022-12-12 | Centrifugal fan with vibration/noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325185.2U CN218669963U (en) | 2022-12-12 | 2022-12-12 | Centrifugal fan with vibration/noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669963U true CN218669963U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223325185.2U Active CN218669963U (en) | 2022-12-12 | 2022-12-12 | Centrifugal fan with vibration/noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218669963U (en) |
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2022
- 2022-12-12 CN CN202223325185.2U patent/CN218669963U/en active Active
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