CN202537400U - Mute dust collector - Google Patents
Mute dust collector Download PDFInfo
- Publication number
- CN202537400U CN202537400U CN2012200540186U CN201220054018U CN202537400U CN 202537400 U CN202537400 U CN 202537400U CN 2012200540186 U CN2012200540186 U CN 2012200540186U CN 201220054018 U CN201220054018 U CN 201220054018U CN 202537400 U CN202537400 U CN 202537400U
- Authority
- CN
- China
- Prior art keywords
- motor
- baffle plate
- noise reduction
- separation chamber
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a mute dust collector which comprises a dust separation chamber used for carrying out dust separation on airflow containing dust and a motor chamber positioned at the downstream of the dust separation chamber, wherein the motor chamber is internally provided with a motor used for providing a vacuum source; the air outlet of the dust separation chamber is opposite to the air inlet of the motor chamber; the upstream of the motor chamber is further provided with an attenuating baffle; the attenuating baffle is positioned at the downstream of the dust separation chamber and is opposite to the air inlet of the motor chamber; and the attenuating baffle is provided with a vent hole for communicating the dust separation chamber with the motor chamber. According to the mute dust collector, the attenuating baffle is additionally arranged on the air inlet at the front end of the motor and used for reducing mechanical noises and aerodynamic noises generated by blades, which rotate at a high speed, of the motor, so that the noises of the whole mute dust collector are reduced.
Description
Technical field
the utility model relates to a kind of domestic vacuum cleaners, particularly a kind of household muting dust catcher.
Background technology
are basic identical to the comparatively effective quiet structure of motor of dust collector at present; The bi-motor inner cover sound insulating structure that promptly utilizes the motor inner cover to add the motor outer cover produces the effect of noise; And increase sound-absorbing material (like the noise elimination sponge) in the air channel between the inside and outside cover of motor and subdue noise energy, to reach flat effect better.Yet the noise reduction of existing dust catcher mainly is the noise reduction measure of being correlated with at the afterbody air passage portion of motor.And generally all do not do relevant noise reduction measure at the air inlet place of motor; The front end fan blade of motor directly exposes in the dust separation chamber; Because the rotating blading of motor rotates at a high speed; Mechanical noise that is produced and aerodynamic noise are not inhibited, and noise passes the dust separation chamber and outwards disperses, thereby influence the noise reduction of whole denoising structure.
The utility model content
to the problems referred to above, the purpose of the utility model provides a kind of quiet dust catcher, can reduce the noise at motor air inlet place, thereby reaches the effect of whole noise reduction.
are in order to realize above-mentioned utility model purpose; The utility model adopts following technical scheme: a kind of quiet dust catcher; Comprise dust-contained airflow is carried out dust separating dust separation chamber, is positioned at the motor room in downstream, said dust separation chamber; The motor that is used to provide vacuum source is installed in the described motor room; The air outlet of described dust separation chamber is relative with the air intake vent of said motor room, and the upper reaches of described motor room also are provided with the noise reduction baffle plate, and said noise reduction baffle plate is positioned at the downstream of described dust separation chamber; And relative with the air intake vent of described motor room, described noise reduction baffle plate is provided with the air vent that is communicated with said dust separation chamber and motor room.
further, described noise reduction baffle plate is integrally formed on the described dust separation chamber.
further, described noise reduction baffle plate is between described dust separation chamber and motor room.
further, described noise reduction baffle plate is removably disposed on the described dust separation chamber.
further, the side surface of described noise reduction baffle plate towards said motor room caves inward and forms the circular arc reflecting surface.
further, the centre of sphere of the sphere at described reflecting surface place is positioned on the rotational axis line of said rotor.
further, the central authorities of described noise reduction baffle plate have noise elimination part, the air intake vent of described noise elimination part and described motor room over against.
further, described noise elimination part is rounded.
have a plurality of air vents on the described noise reduction baffle plate further, and a plurality of described air vents are evenly distributed on the outside of said noise elimination part ringwise.
have a described air vent further on the described noise reduction baffle plate, described air vent extends along the outward flange of said noise elimination part.
have a plurality of described air vents further on the described noise reduction baffle plate, a plurality of described air vents are evenly distributed on the described noise elimination part.
also are provided with beam between described dust separation chamber and the said motor room further, the indoor filter that also is provided with of described dust separation, and described noise reduction baffle plate is arranged between described filter and the said beam.
further; Described motor room comprises the motor inner cover of accommodating said motor, the motor outer cover that is arranged on the said motor inner cover outside; The inner chamber of described motor inner cover and motor outer cover is connected through the air channel, is filled with quieter material in the described air channel.
the utility model compared with prior art; Have following advantage: the utility model increases the noise reduction plate washer at the air intake vent place of the front end of motor; Block the air intake vent place in the motor room through this noise reduction baffle plate, mechanical noise and aerodynamic noise that motor high speed rotating blading is produced reflect back, and sound wave energy consumption after repeatedly reflecting also weakens gradually; Can avoid noise to pass the dust separation chamber and disperse, thus the noise of reduction dust catcher complete machine.
Description of drawings
Accompanying drawing 1 is the main cutaway view of the utility model;
Accompanying drawing 2 is the fractionation sketch map of the utility model;
Accompanying drawing 3 is the noise reduction baffle arrangement figure of the embodiment 1 of the utility model;
accompanying drawing 4 is the noise reduction baffle arrangement figure of the embodiment 2 of the utility model.
In
accompanying drawing, 1, the dust separation chamber; 2, noise reduction baffle plate; 3, beam before the motor; 4, motor inner cover; 5, motor outer cover; 6, motor back damping pad; 7, air-out filter assemblies; 8, motor; 9, quieter material; 10, sealing ring; 11, gas outlet; 12, little air vent; 13, all air vents; 14, noise elimination part.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model clearer; Below in conjunction with accompanying drawing the utility model is done further to describe in detail; Wherein, Left side shown in the accompanying drawing 1 is " front side " described in the specification, and the right side shown in the accompanying drawing 1 is " rear side " described in the specification, and the arrow direction is for being from upstream to downstream in the accompanying drawing 1:
described motor room comprises the motor inner cover 4 of accommodating said motor 8, the motor outer cover 5 that is arranged on said motor inner cover 4 outsides; The inner chamber of described motor inner cover 4 and motor outer cover 5 is connected through the air channel, and described quieter material 9 is filled in the described air channel.Also be provided with the filter (not shown) in the described dust separation chamber 1; Described noise reduction baffle plate 2 is arranged between described filter and the said beam 3; The air outlet of described dust separation chamber 1 is relative with the air intake vent of said motor room; Said noise reduction baffle plate 2 is positioned at the downstream of described dust separation chamber 1, the upper reaches of motor room, and relative with the air intake vent of described motor room, and described noise reduction baffle plate 2 is provided with the air vent that is communicated with said dust separation chamber 1 and motor room.Dust-contained airflow flows along the direction of arrow, and after dust separation was carried out in process dust separation chamber, pure air got into the motor room.This noise reduction baffle plate 2 blocks the air intake vent place in the motor room; Mechanical noise and aerodynamic noise reflected back motor room with the generation of motor 8 high speed rotating bladings; Sound wave energy consumption after repeatedly reflecting also weakens gradually; Can avoid noise to pass the dust separation chamber and disperse, thus the noise of reduction dust catcher complete machine.
motor inner cover 4 is the cylindric cover body of an end opening; On the side wall surface of motor inner cover 4, be provided with gas outlet 11; One end of motor inner cover 4 and motor outer cover 5 is fixedly connected with dust separation chamber 1, and seals through sealing ring 10 between motor inner cover 4 and motor outer cover 5 and the dust separation chamber 1.The outside of motor outer cover 5 also is equipped with air-out filter assemblies 7, and air-out filter assemblies 7 is positioned at the exit in air channel, and is used for gas filtration is discharged.
In
present embodiment, noise reduction baffle plate 2 removably is connected the outside of dust separation chamber 1, and beam 3 is installed on the rear portion of dust separation chamber 1 before the motor, and noise reduction baffle plate 2 is before dust separation chamber 1 and motor between the beam 3.The rear side of motor 8 is equipped with motor back damping pad 6, and beam 3 and motor back damping pad 6 can be alleviated the vibration of motor 8 jointly before the motor.In other embodiment of the utility model, this noise reduction baffle plate 2 also can be arranged on the inboard of dust separation chamber 1, and described noise reduction baffle plate 2 can also be integrally formed on the described dust separation chamber 1.
shown in accompanying drawing 3, the central authorities of described noise reduction baffle plate 2 have circular noise elimination part 14, the air intake vent of described noise elimination part 14 and described motor room over against, this noise elimination part 14 penetrates for therefore entity structure can better intercept sound wave.The side surface portion of described noise reduction baffle plate 2 towards said motor room caves inward and forms the circular arc reflecting surface; The centre of sphere of the sphere at reflecting surface place is positioned on the rotational axis line of said rotor; The circular arc reflecting surface can accumulate in noise in the motor inner cover 4; Noise is got into through gas outlet 11 carry out the noise reduction processing in the quieter material 9; Therefore can reduce acoustic wave energy, reduce the acoustic wave energy of dispersing through dust separation chamber 1, and then reach the purpose that suppresses mechanical noise and aerodynamic noise.In the present embodiment, a plurality of little air vents 12 that in the view field of the air intake vent of motor 8, distributing on the noise reduction baffle plate 2, a plurality of described little air vents 12 are evenly distributed on the outside of said noise elimination part 14 ringwise.When the design dust catcher, the diameter of little air vent 12 and quantity are come designing and calculating according to the power and the noise frequency range of used motor 8.Also can place quieter material between noise reduction baffle plate 2 and the dust separation chamber 1, further reduce noise.
are in another embodiment of the utility model; Air vent on the described noise reduction baffle plate 2 only has one; And described air vent extends along the outward flange of said noise elimination part 14; Promptly this air vent is c-shaped, owing to the air intake vent of noise elimination part 14 with motor 8 blocks, therefore can play the effect of noise reduction equally.As a kind of conversion of the utility model, a plurality of described air vents can also be evenly distributed on the described noise elimination part 14.
embodiment 2: like accompanying drawing 1, shown in 4, the structure of present embodiment and embodiment 1 is basic identical, and its difference is the structure of noise reduction baffle plate 2.Offer a plurality of all air vents 13 that along the circumferential direction are looped around noise elimination part 14 outsides on the noise reduction baffle plate 2 of present embodiment.Air-flow is through effectively having suppressed aerodynamic noise and mechanical noise during intensive all air vent 13 on the noise reduction baffle plate 2, and the arc structure of noise reduction baffle plate 2 also can prevent the discharge of noise, has obtained good noise reduction.
are above has done detailed description to the utility model; Its purpose is to let the personage that is familiar with this art can understand the content of the utility model and implements; Can not limit the protection domain of the utility model with this; All equivalences of doing according to the spirit of the utility model change or modify, and all should be encompassed in the protection domain of the utility model.
Claims (13)
1. quiet dust catcher; Comprise dust-contained airflow is carried out dust separating dust separation chamber, is positioned at the motor room in downstream, said dust separation chamber; The motor that is used to provide vacuum source is installed in the described motor room; The air outlet of described dust separation chamber is relative with the air intake vent of said motor room, and it is characterized in that: the upper reaches of described motor room also are provided with the noise reduction baffle plate, and said noise reduction baffle plate is positioned at the downstream of described dust separation chamber; And relative with the air intake vent of described motor room, described noise reduction baffle plate is provided with the air vent that is communicated with said dust separation chamber and motor room.
2. quiet dust catcher according to claim 1 is characterized in that: described noise reduction baffle plate is integrally formed on the described dust separation chamber.
3. quiet dust catcher according to claim 1 is characterized in that: described noise reduction baffle plate is between described dust separation chamber and motor room.
4. quiet dust catcher according to claim 3 is characterized in that: described noise reduction baffle plate is removably disposed on the described dust separation chamber.
5. quiet dust catcher according to claim 1 is characterized in that: the side surface of described noise reduction baffle plate towards said motor room caves inward and forms the circular arc reflecting surface.
6. quiet dust catcher according to claim 5 is characterized in that: the centre of sphere of the sphere at described reflecting surface place is positioned on the rotational axis line of said rotor.
7. quiet dust catcher according to claim 1 is characterized in that: the central authorities of described noise reduction baffle plate have noise elimination part, the air intake vent of described noise elimination part and described motor room over against.
8. quiet dust catcher according to claim 7 is characterized in that: described noise elimination part is rounded.
9. quiet dust catcher according to claim 8 is characterized in that: have a plurality of described air vents on the described noise reduction baffle plate, a plurality of described air vents are evenly distributed on the outside of said noise elimination part ringwise.
10. quiet dust catcher according to claim 8 is characterized in that: have a described air vent on the described noise reduction baffle plate, described air vent extends along the outward flange of said noise elimination part.
11. quiet dust catcher according to claim 7 is characterized in that: have a plurality of described air vents on the described noise reduction baffle plate, a plurality of described air vents are evenly distributed on the described noise elimination part.
12. quiet dust catcher according to claim 1; It is characterized in that: also be provided with beam between described dust separation chamber and the said motor room; The indoor filter that also is provided with of described dust separation, described noise reduction baffle plate is arranged between described filter and the said beam.
13. quiet dust catcher according to claim 1; It is characterized in that: described motor room comprises the motor inner cover of accommodating said motor, the motor outer cover that is arranged on the said motor inner cover outside; The inner chamber of described motor inner cover and motor outer cover is connected through the air channel, is filled with quieter material in the described air channel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200540186U CN202537400U (en) | 2012-02-20 | 2012-02-20 | Mute dust collector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200540186U CN202537400U (en) | 2012-02-20 | 2012-02-20 | Mute dust collector |
Publications (1)
Publication Number | Publication Date |
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CN202537400U true CN202537400U (en) | 2012-11-21 |
Family
ID=47158101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012200540186U Expired - Fee Related CN202537400U (en) | 2012-02-20 | 2012-02-20 | Mute dust collector |
Country Status (1)
Country | Link |
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CN (1) | CN202537400U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102670131A (en) * | 2012-02-20 | 2012-09-19 | 江苏美的春花电器股份有限公司 | Mute dust collector |
WO2017092831A1 (en) * | 2015-12-04 | 2017-06-08 | Aktiebolaget Electrolux | A vacuum cleaner |
CN108209711A (en) * | 2017-12-27 | 2018-06-29 | 宁波富佳实业有限公司 | A kind of mute ducting system of dust catcher |
-
2012
- 2012-02-20 CN CN2012200540186U patent/CN202537400U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102670131A (en) * | 2012-02-20 | 2012-09-19 | 江苏美的春花电器股份有限公司 | Mute dust collector |
WO2017092831A1 (en) * | 2015-12-04 | 2017-06-08 | Aktiebolaget Electrolux | A vacuum cleaner |
CN108289578A (en) * | 2015-12-04 | 2018-07-17 | 伊莱克斯公司 | Vacuum cleaner |
CN108209711A (en) * | 2017-12-27 | 2018-06-29 | 宁波富佳实业有限公司 | A kind of mute ducting system of dust catcher |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: No. 39 Cao Hu road Xiangcheng Economic Development Zone in Suzhou City, Jiangsu province 215000 Patentee after: JIANGSU MIDEA CLEANING ELECTRICAL APPLIANCE CO., LTD. Address before: River Road, Suzhou City, Jiangsu Province, Li Xiangcheng District No. 999 215131 Patentee before: Jiangsu Midea Chunhua Electric Appliance Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20200220 |
|
CF01 | Termination of patent right due to non-payment of annual fee |