CN209414273U - A kind of fan assembly and range hood - Google Patents
A kind of fan assembly and range hood Download PDFInfo
- Publication number
- CN209414273U CN209414273U CN201822040612.XU CN201822040612U CN209414273U CN 209414273 U CN209414273 U CN 209414273U CN 201822040612 U CN201822040612 U CN 201822040612U CN 209414273 U CN209414273 U CN 209414273U
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- sound
- motor
- fan assembly
- noise reduction
- cover
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Abstract
A kind of fan assembly and range hood provided by the utility model, fan assembly include spiral case, and motor covers at the noise reduction cover of the motor, and, connect the mounting bracket of the spiral case and the noise reduction cover；The noise reduction cover includes the sound absorbing layer formed by sound-absorbing material and/or sound-absorbing structure, and the sound absorbing layer surrounds the motor and forms silencing cavity.Noise reduction cover corresponds to motor setting in the technical program, encirclement motor is formed by the sound absorbing layer that sound-absorbing material and/or sound-absorbing structure are formed and forms silencing cavity, noise weakens after silencing cavity repeatedly reflects, finally eliminated by sound absorbing layer, and then reduce fan assembly noise, noise reduction effect is obvious, and structure is simple, low manufacture cost.
Description
Technical field
The utility model relates to kitchen appliance technical fields, and in particular to a kind of fan assembly and range hood.
Background technique
With the rapid development of social economy, people increasingly focus on the promotion of quality of the life, the requirement to life household
Also it is continuously improved.In daily life, range hood is indispensable one of kitchen appliance, it efficiently solves kitchen sky
Gas quality problems improve people's lives quality.
However, the generation of noise not can avoid in kitchen ventilator operational process.The blower fan system of range hood is main at present
Noise source is wanted, is made of a variety of with depositing noise source, including aerodynamic noise, electromagnetic noise, mechanicalness noise and bearing noise.
Solving noise problem becomes a key breakthrough direction of range hood exploitation.In consideration of it, providing a kind of list in the prior art
The blower fan system of air-inlet range hood assists denoising device, including spiral case, impeller and blower motor, and blower fan system front end is entered the wind,
The blower motor is mounted on blower fan system rear end, and noise reduction is equipped in the gap between the spiral case rear wall and impeller rear end
Chamber, the noise reduction cavity are circumferentially positioned at around the blower motor, and noise reduction hole is provided on the wall surface of the noise reduction cavity.
Although above-mentioned patent can play certain noise reduction effect, noise reduction cavity spiral case rear wall and impeller rear end it
Between gap in be circumferentially positioned at around the blower motor, install it is complex, to main noise source motor noise-reducing imitate
Fruit is limited.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome in the prior art noise reduction cavity in spiral case rear wall and leaf
It is circumferentially positioned at around the blower motor in gap between wheel rear end, installation is complex, to main noise source
The defects of motor noise-reducing effect is limited, to provide a kind of fan assembly and range hood.
A kind of fan assembly provided by the utility model, including spiral case, motor cover at the noise reduction cover of the motor,
And connect the mounting bracket of the spiral case and the noise reduction cover；The noise reduction cover includes by sound-absorbing material and/or sound-absorbing
The sound absorbing layer that structure is formed, the sound absorbing layer surround the motor and form silencing cavity.
Optionally, the sound absorbing layer includes the veneer structure for intensively offering multiple micropores.
Optionally, the sound absorbing layer includes being formed by sound-absorbing material of filling between the veneer structure and the motor
Filled layer.
Optionally, the sound absorbing layer includes two layers of veneer structure for intensively offering multiple micropores, and, two laminates
The filled layer formed by sound-absorbing material filled between structure.
Optionally, the noise reduction cover includes the first cover and the second cover fastened, institute relative to the mounting bracket
The tail end that the first cover is buckled in the motor is stated, second cover is buckled in the front end of the motor, has described in allowing
The through hole that motor output shaft stretches out.
Optionally, the mounting bracket includes the mounting ring being arranged around the motor and is set to the mounting ring
Mounting leg, the mounting leg are installed on the spiral case；The noise reduction cover has the connection ring cooperated with the mounting ring.
Optionally, the connection ring is to cooperate, be set to the ring structure in the noise reduction shroud external week with the mounting ring,
The ring structure offers multiple mounting holes connecting by screw element realization with the mounting ring.
Optionally, the mounting bracket includes the sound absorbing layer.
Optionally, the sound-absorbing material is acoustical cotton, foamed plastics, aluminum fiber cotton, the poly- cellucotton of single layer, single-layer polyester fibre
Vinylon and cotton blend, plant cellulose sprayed on material and/or centrifugally glass-wool.
The utility model provides a kind of range hood simultaneously comprising fan assembly described in any of the above embodiments.
Technical solutions of the utility model have the advantages that
A kind of fan assembly provided by the utility model, noise reduction cover corresponds to motor setting, by sound-absorbing material and/or sound-absorbing
The sound absorbing layer that structure is formed, which is formed, surrounds motor formation silencing cavity, and noise weakens after silencing cavity repeatedly reflects, finally by sound-absorbing
Layer is eliminated, and then reduces fan assembly noise, and noise reduction effect is obvious, and structure is simple, low manufacture cost.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the fan assembly provided in the first embodiment of the utility model；
Fig. 2 is the structural schematic diagram of noise reduction cover shown in FIG. 1
Fig. 3 is the cross-sectional view figure of noise reduction cover shown in FIG. 1.
Description of symbols:
1- spiral case, 2- noise reduction cover, 3- mounting bracket, 4- connection ring, 5- micropore, the first cover of 6-, 7- second
Cover, 8- filled layer, 9- motor.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
Fig. 1 to Fig. 3 shows a kind of fan assembly embodiment provided by the utility model.The fan assembly include motor 9,
Mounting bracket 3, noise reduction cover 2 and spiral case 1.Spiral case 1 is with the installation of power supply machine 9 and mounting bracket 3.
Noise reduction cover 2 is the cover structure for covering at motor 9, including the first cover 6 and the second cover 7.First cover 6 button
Set on the tail end of motor 9, the second cover 7 is buckled in the front end of motor 9, has the through hole for allowing 9 output shaft of motor to stretch out.The
One cover 6 and the second cover 7 are mounted on mounting bracket 3, and composition includes the cavity of motor 9 after being installed.First cover, 6 He
Second cover 7 includes sound absorbing layer.Sound absorbing layer includes intensively offering the veneer structure of multiple micropores 5 and being filled in 9 He of motor
The filled layer 8 formed by sound-absorbing material between veneer structure.Sound-absorbing material is acoustical cotton, foamed plastics, aluminum fiber cotton, single layer
One of poly- cellucotton, single-layer polyester cellucotton, plant cellulose sprayed on material and centrifugally glass-wool are a variety of.It needs to illustrate
, the structure of veneer structure noise reduction cover 2 itself can also be the structure that noise reduction cover 2 is separately provided.Sound absorbing layer, which is formed, to be surrounded
The silencing cavity of motor 9, noise weaken after silencing cavity repeatedly reflects, are finally eliminated by sound absorbing layer, and then reduce fan assembly and make an uproar
Sound, noise reduction effect are obvious.
Mounting bracket 3 includes the mounting ring and the mounting leg for being set to mounting ring that wound motor 9 is arranged.Mounting leg is remote
End from mounting ring, which has, is bonded end with 1 close fit of spiral case.Fitting end is fixedly connected with spiral case 1.First cover 6 and
Two covers 7 are provided with the connection ring 4 with mounting ring cooperation.Connection ring 4 is set to the periphery of the first cover 6 and the second cover 7,
Multiple mounting holes connecting by screw element realization with mounting ring are offered thereon.In the present embodiment, mounting leg is fitted around
There are four the settings of ring periphery, it should be apparent that, mounting leg number can be determined freely according to the actual situation.The utility model provides
2 mounting means of noise reduction cover it is simple, it is easy to accomplish, and cost is relatively low.
As another embodiment, sound absorbing layer includes the veneer structure for intensively offering multiple micropores 5, that is, is not provided with filling out
Fill layer.Noise weakens after micropore more than 5 times refractions, is finally eliminated, and then reduces the noise of fan assembly.Veneer structure can be
The structure of noise reduction cover 2 itself, i.e. micropore 5 are opened on noise reduction cover 2, can also be the structure being separately provided.
As another embodiment, sound absorbing layer includes two layers of veneer structure for intensively offering multiple micropores 5, i.e., and first
Veneer structure and the second veneer structure.There is filling space between first veneer structure and the second veneer structure, fill in space
Filled with the filled layer 8 formed by sound-absorbing material.Sound-absorbing material is acoustical cotton, foamed plastics, aluminum fiber cotton, the poly- fiber of single layer
One of cotton, single-layer polyester cellucotton, plant cellulose sprayed on material and centrifugally glass-wool are a variety of.It should be noted that
First veneer structure and the second veneer structure can be the structure of noise reduction cover 2 itself, can also be the knot that noise reduction cover 2 is separately provided
Structure.
As another embodiment, the mounting ring of mounting bracket 3 also has sound absorbing layer.
As another embodiment, sound absorbing layer is layer structure made of sound-absorbing material.
The utility model additionally provides a kind of range hood, and range hood includes above-mentioned fan assembly.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of fan assembly, it is characterised in that: including spiral case (1), motor (9) covers at the noise reduction cover of the motor (9)
(2), and, the mounting bracket (3) of the spiral case (1) and the noise reduction cover (2) is connected；The noise reduction cover (2) include by
The sound absorbing layer that sound-absorbing material and/or sound-absorbing structure are formed, the sound absorbing layer surround the motor (9) and form silencing cavity.
2. fan assembly according to claim 1, it is characterised in that: the sound absorbing layer includes intensively offering multiple micropores
(5) veneer structure.
3. fan assembly according to claim 2, it is characterised in that: the sound absorbing layer include the veneer structure with it is described
The filled layer (8) formed by sound-absorbing material filled between motor (9).
4. fan assembly according to claim 1, it is characterised in that: the sound absorbing layer intensively offers multiple including two layers
The veneer structure of micropore (5), and, the filled layer (8) formed by sound-absorbing material filled between two veneer structures.
5. fan assembly according to claim 1, it is characterised in that: the noise reduction cover (2) is relative to installation branch
Frame (3) includes the first cover (6) and the second cover (7) fastened, and first cover (6) is buckled in the tail of the motor (9)
End, second cover (7) are buckled in the front end of the motor (9), have allow motor (9) output shaft to stretch out to run through
Hole.
6. fan assembly according to claim 1, it is characterised in that: the mounting bracket (3) includes around the motor
(9) mounting ring that is arranged and it is set to the mounting leg of the mounting ring, the mounting leg is installed on the spiral case (1)；
The noise reduction cover (2) has the connection ring (4) cooperated with the mounting ring.
7. fan assembly according to claim 6, it is characterised in that: the connection ring (4) be with the mounting ring cooperation,
It is set to the ring structure of noise reduction cover (2) periphery, the ring structure offers multiple by screw element realization and institute
State the mounting hole of mounting ring connection.
8. fan assembly according to claim 6, it is characterised in that: the mounting bracket (3) includes the sound absorbing layer.
9. fan assembly according to claim 1 to 8, it is characterised in that: the sound-absorbing material be acoustical cotton,
Foamed plastics, aluminum fiber cotton, the poly- cellucotton of single layer, single-layer polyester cellucotton, plant cellulose sprayed on material and/or rotary glass
Cotton.
10. a kind of range hood, it is characterised in that: including fan assembly of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040612.XU CN209414273U (en) | 2018-12-05 | 2018-12-05 | A kind of fan assembly and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040612.XU CN209414273U (en) | 2018-12-05 | 2018-12-05 | A kind of fan assembly and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414273U true CN209414273U (en) | 2019-09-20 |
Family
ID=67936881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822040612.XU Active CN209414273U (en) | 2018-12-05 | 2018-12-05 | A kind of fan assembly and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062659A (en) * | 2021-03-09 | 2021-07-02 | 盛南寅 | Intelligent anti-theft door lock adaptive to network and used for apartment |
-
2018
- 2018-12-05 CN CN201822040612.XU patent/CN209414273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062659A (en) * | 2021-03-09 | 2021-07-02 | 盛南寅 | Intelligent anti-theft door lock adaptive to network and used for apartment |
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