CN109106276B - Dust collector - Google Patents

Dust collector Download PDF

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Publication number
CN109106276B
CN109106276B CN201710496602.4A CN201710496602A CN109106276B CN 109106276 B CN109106276 B CN 109106276B CN 201710496602 A CN201710496602 A CN 201710496602A CN 109106276 B CN109106276 B CN 109106276B
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CN
China
Prior art keywords
motor
outlet
elastic piece
silencing device
shell
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Application number
CN201710496602.4A
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Chinese (zh)
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CN109106276A (en
Inventor
程杰锋
李忠华
殷雪冰
徐权
任永杰
李冠华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Jiangsu Midea Cleaning Appliances Co Ltd
Original Assignee
Midea Group Co Ltd
Jiangsu Midea Cleaning Appliances Co Ltd
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Publication date
Application filed by Midea Group Co Ltd, Jiangsu Midea Cleaning Appliances Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201710496602.4A priority Critical patent/CN109106276B/en
Publication of CN109106276A publication Critical patent/CN109106276A/en
Application granted granted Critical
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Abstract

The invention provides a dust collector, comprising: a housing; the motor is arranged in the shell; the first elastic piece is arranged in the shell, and one end of the first elastic piece is attached to the motor; the silencing device is arranged in the shell and is positioned at the other end of the first elastic piece, the silencing device is a hollow cavity with a unique outlet, and the outlet is opposite to the opening of the first elastic piece; when the dust collector works, air flows through the outlet of the silencing device and the first elastic piece after entering the shell, and then enters the motor. According to the invention, the silencer is arranged, so that the motor drives the airflow to disturb, when sound waves are incident into the outlet, a severe resonance effect is generated between the air at the outlet of the silencer and the interior of the hollow cavity on the resonance frequency, so that a large amount of sound energy is lost, and the leaf frequency and the narrow-band frequency of the motor are reduced; further, the first elastic piece can absorb vibration generated by the motor, good vibration isolation effect can be achieved, and meanwhile, the first elastic piece has the noise reduction effect.

Description

Dust collector
Technical Field
The invention relates to the field of household appliances, in particular to a dust collector.
Background
A vacuum cleaner has been widely used as a cleaning device in daily life of people. In the use process of the existing dust collector, the motor therein can generate great noise when running, and the blade frequency of the motor fan is very prominent, so that the user feel uncomfortable, and the use experience of the user is seriously affected.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
To this end, an object of the present invention is to propose a vacuum cleaner.
In view of the above, according to a first object of the present invention, there is provided a vacuum cleaner comprising: a housing; the motor is arranged in the shell; the first elastic piece is arranged in the shell, and one end of the first elastic piece is attached to the motor; the silencing device is arranged in the shell and is positioned at the other end of the first elastic piece, the silencing device is a hollow cavity with a unique outlet, and the outlet is opposite to the opening of the first elastic piece; when the dust collector works, air flows through the outlet of the silencing device and the first elastic piece after entering the shell, and then enters the motor.
The invention provides a dust collector, comprising: the device comprises a shell, a motor, a first elastic piece and a silencing device. Through setting up silencing device for the dust catcher during operation, the motor drives the air current disturbance, and the air current flows through silencing device's export by the casing for when the sound wave is incident, on resonance frequency, produce violent resonance effect and then loss a large amount of sound energy between the air of silencing device exit and cavity inside, reduced the leaf frequency and the narrowband frequency of motor, played better amortization effect, the air current after inhaling the sound enters into in the motor, and then greatly reduced the noise that the dust catcher produced when operating; further, the first elastic component sets up in the casing, and the motor is laminated to the one end of first elastic component, and when the dust catcher operates, the vibration that the motor produced can be absorbed to first elastic component, can play fine vibration isolation effect for the maximum value and the effective value of the vibration acceleration that produce when the motor vibrates all have the decline by a wide margin, simultaneously, the setting of first elastic component can play fine noise reduction effect, has reduced the radiation noise that the dust catcher produced during operation, has promoted user's use experience. The structure is reasonable in arrangement, convenient to install and detach and maintain, low in production cost and convenient for mass production.
The dust collector according to the invention can also have the following additional technical characteristics:
in the above technical solution, preferably, the silencing device is an annular silencing device, and the outlets are uniformly distributed on an inner circular sidewall of the annular silencing device along a circumferential direction.
In this technical scheme, the air current gets into annular silencing device in by interior circle, and then through the export of circumference direction equipartition on annular silencing device's interior circle lateral wall, increased the incident range of sound wave for the sound wave is in annular silencing device export with each angle incidence, and then on resonant frequency, produces violent resonance effect and more acoustic energy of loss between the air of annular silencing device exit and cavity inside, greatly reduced the leaf frequency and the narrowband frequency of motor, played better amortization effect.
In any of the above-described aspects, preferably, the annular muffler device has an "e" shape in cross section.
In this technical scheme, annular silencing device's cross-sectional shape is "e" font, has prolonged the oscillation distance of sound wave for more sound energy consumption is in silencing device, has reduced the noise that produces when the dust catcher operates, has promoted the performance and the user experience of product. Meanwhile, the structure is convenient to process and low in production cost.
In any of the above technical solutions, preferably, at least one rib plate is disposed on an inner wall of the hollow cavity; wherein, at least one gusset is used for changing the air current flow direction.
In the technical scheme, the arrangement of at least one rib plate prolongs the oscillation distance of sound waves, so that more sound energy is consumed in the silencing device, the noise generated during the operation of the dust collector is reduced, and the usability and the user experience of the product are improved. Meanwhile, the structure is convenient to process and low in production cost.
In any of the above-described aspects, preferably, the housing is provided with a grill-type inlet at an end thereof adjacent to the outlet of the muffler device.
In this technical scheme, through setting up the grid entry in the casing near silencer export one end, play the effect of mass flow to the air current that gets into in the casing, reduced the frequency that the air current flows the phenomenon such as separation, the stall, vortex, and then reduced the noise, promoted the performance of product, simultaneously, this grid entry set up the effect of sound insulation, further reduce the air intake noise of motor.
In any of the above technical solutions, preferably, the motor is provided with an air inlet close to the outlet.
In the technical scheme, the air inlet of the motor is close to the outlet, so that the air flow flowing through the silencing device enters the air inlet of the motor at the shortest distance, the probability of outward diffusion of the air flow to the motor is further reduced, the energy consumption is reduced, and the running stability of the dust collector is ensured.
In any of the above-described aspects, preferably, the inner wall of the muffler device is provided with a muffler hole.
In this technical scheme, through set up the amortization hole on silencing device's inner wall for the noise attenuation is obvious after the air current flows through the amortization hole, and the noise reduction is effectual, has greatly reduced the noise when the dust catcher operates, has promoted the performance of product.
In any of the above technical solutions, preferably, the first elastic member is provided with a supporting protrusion, and the supporting protrusion is attached to one end of the motor.
In this technical scheme, through setting up the supporting bulge on first elastic component for supporting bulge and the one end of motor laminating mutually, and then guaranteeing the inseparable laminating of first elastic component and motor, when the dust catcher operation, first elastic component borrows the vibration that the motor produced of supporting bulge absorption, can play fine vibration isolation effect, the maximum value and the effective value of the vibration acceleration that produce all have the decline by a wide margin when making the motor vibrate.
In any of the above embodiments, preferably, the vacuum cleaner further comprises: the motor cover is arranged in the shell, the cover is arranged on the motor, a diversion cavity is arranged on the inner wall of the motor cover, a diversion inlet is arranged on the inner wall of the diversion cavity, a diversion outlet is arranged on the outer wall of the motor cover, and the diversion inlet is far away from the diversion outlet; when the motor operates, air flow enters the flow guiding cavity through the flow guiding inlet and then flows out through the flow guiding outlet.
In this technical scheme, through setting up the water conservancy diversion cavity on the inner wall of motor housing, be provided with the water conservancy diversion entry on the water conservancy diversion cavity inner wall, be provided with the water conservancy diversion export on the outer wall of motor housing, and the water conservancy diversion entry is kept away from the water conservancy diversion export for the dust catcher during operation, the air current flows into the water conservancy diversion cavity by the water conservancy diversion entry, flows out the motor housing by the water conservancy diversion export after the water conservancy diversion cavity, the position setting of water conservancy diversion entry and water conservancy diversion export has prolonged the circulation route of air current, make the noise that the air current was passed through outside the motor housing diminish, and then greatly reduced the exhaust noise of dust catcher, the performance and the user experience of product have been promoted.
In any of the above technical solutions, preferably, a sound absorbing cotton is disposed on the motor cover.
In this technical scheme, through being provided with the sound cotton of inhaling on the motor cover, can effectively improve the amortization effect, play the effect of secondary amortization processing to the noise. And the design of this structure is convenient subsequent dismantlement and maintenance.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 shows a schematic structural diagram of a chassis of an embodiment of the present invention;
FIG. 2 shows a cross-sectional view of a chassis of one embodiment of the present invention;
FIG. 3 is a schematic view showing the structure of a muffler device in one embodiment of the present invention;
FIG. 4 illustrates a cross-sectional view of a muffler device in one embodiment of the invention;
FIG. 5 shows a schematic structural view of a first elastic member in an embodiment of the present invention;
FIG. 6 shows a schematic diagram of the motor cover in one embodiment of the invention;
FIG. 7 shows a schematic structural view of a second elastic member in an embodiment of the present invention;
FIG. 8 is a schematic view of a first diversion body according to an embodiment of the present invention;
FIG. 9 is a schematic view of a first diversion body according to an embodiment of the present invention;
figure 10 shows a schematic structural view of a vacuum cleaner according to an embodiment of the present invention.
The correspondence between the reference numerals and the component names in fig. 1 to 10 is:
The dust collector comprises a dust collector body, a 10 shell body, a 102 grid type inlet, a 20 motor, a 30 first elastic piece, a 302 opening, a 304 supporting protrusion, a 40 silencer, a 402 outlet, a 50 motor cover, a 502 diversion inlet, a 504 diversion outlet, a 60 second elastic piece, a 70 first diversion body, a 80 second diversion body, a 90 floor brush, a 100 shell and a 110 push rod.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
The following describes a vacuum cleaner 1 according to some embodiments of the present invention with reference to fig. 1 to 10.
As shown in fig. 1 to 5, an embodiment of a first aspect of the present invention proposes a vacuum cleaner 1 including: a housing 10; a motor 20 disposed within the housing 10; the first elastic piece 30 is arranged in the shell 10, and one end of the first elastic piece 30 is attached to the motor 20; the silencing device 40 is arranged in the shell 10 and is positioned at the other end of the first elastic piece 30, the silencing device 40 is a hollow cavity with a single outlet 402, and the outlet 402 is arranged opposite to the opening 302 of the first elastic piece 30; when the cleaner 1 is in operation, the air flow enters the housing 10, flows through the outlet 402 of the muffler device 40 and the first elastic member 30, and then enters the motor 20.
The present invention provides a dust collector 1 comprising: the motor comprises a housing 10, a motor 20, a first elastic member 30 and a muffler device 40. By arranging the silencer 40, when the dust collector 1 works, the motor 20 drives air flow to disturb, the air flow flows through the outlet 402 of the silencer 40 from the shell 10, when sound waves are incident, on resonance frequency, intense resonance effect is generated between air at the outlet 402 of the silencer 40 and the interior of the hollow cavity, so that a large amount of sound energy is lost, the leaf frequency and narrow-band frequency of the motor 20 are reduced, a good silencing effect is achieved, and the air flow after sound absorption enters the motor 20, so that noise generated when the dust collector 1 operates is greatly reduced; further, the first elastic member 30 is disposed in the casing 10, one end of the first elastic member 30 is attached to the motor 20, when the dust collector 1 operates, the first elastic member 30 can absorb vibration generated by the motor 20, a good vibration isolation effect can be achieved, the maximum value and the effective value of vibration acceleration generated when the motor 20 vibrates are greatly reduced, meanwhile, the arrangement of the first elastic member 30 can achieve a good noise reduction effect, radiation noise generated when the dust collector 1 operates is reduced, and user experience is improved. The structure is reasonable in arrangement, convenient to install and detach and maintain, low in production cost and convenient for mass production.
In one embodiment of the present invention, preferably, as shown in fig. 3 and 4, the muffler device 40 is an annular muffler device 40, and the outlets 402 are uniformly distributed on the inner circular sidewall of the annular muffler device 40 in the circumferential direction.
In this embodiment, the air flow enters the annular silencer 40 from the inner circle, and then through the outlets 402 uniformly distributed on the inner circle side wall of the annular silencer 40 along the circumferential direction, the incidence range of the sound wave is enlarged, so that the sound wave is incident into the outlet 402 of the annular silencer 40 at various angles, and then on the resonance frequency, the air at the outlet 402 of the annular silencer 40 and the interior of the hollow cavity generate a severe resonance effect to consume more sound energy, thereby greatly reducing the leaf frequency and the narrow-band frequency of the motor 20 and playing a good silencing effect.
In one embodiment of the present invention, the cross-sectional shape of the annular muffler 40 is preferably "e" shaped as shown in FIG. 4.
In this embodiment, the cross-sectional shape of the annular silencer 40 is "e" shaped, which prolongs the oscillating distance of the sound wave, so that more sound energy is consumed in the silencer 40, noise generated when the cleaner 1 operates is reduced, and the usability and user experience of the product are improved. Meanwhile, the structure is convenient to process and low in production cost.
In one embodiment of the present invention, preferably, at least one rib plate is disposed on an inner wall of the hollow cavity; wherein, at least one gusset is used for changing the air current flow direction.
In this embodiment, the provision of at least one rib plate prolongs the oscillation distance of the sound wave, so that more sound energy is consumed in the silencer 40, noise generated when the cleaner 1 operates is reduced, and the usability and user experience of the product are improved. Meanwhile, the structure is convenient to process and low in production cost.
In one embodiment of the present invention, the housing 10 is preferably provided with a grill inlet 102 near the outlet 402 of the muffler device 40, as shown in FIG. 1.
In this embodiment, by disposing the grille inlet 102 at the end of the housing 10 near the outlet 402 of the muffler 40, the airflow entering the housing 10 is collected, so that the frequency of occurrence of phenomena such as airflow flow separation, vortex and the like is reduced, noise is further reduced, the service performance of the product is improved, and meanwhile, the effect of sound insulation is provided by the grille inlet 102, so that the air intake noise of the motor 20 is further reduced.
In one embodiment of the present invention, the motor 20 is preferably provided with an air intake proximate to the outlet 402.
In this embodiment, the air inlet of the motor 20 is close to the outlet 402, so that the air flow flowing through the silencer 40 enters the air inlet of the motor 20 at the shortest distance, thereby reducing the probability of diffusing the air flow to the outside of the motor 20, reducing the energy consumption and ensuring the running stability of the dust collector 1.
In one embodiment of the present invention, it is preferable that the muffler device 40 is provided with a muffler hole on an inner wall thereof.
In this embodiment, by providing the silencing hole on the inner wall of the silencer 40, the noise attenuation is obvious after the airflow passes through the silencing hole, the noise reduction effect is good, the noise during the operation of the cleaner 1 is greatly reduced, and the service performance of the product is improved.
In one embodiment of the present invention, preferably, as shown in fig. 5, the first elastic member 30 is provided with a supporting protrusion 304, and the supporting protrusion 304 is fitted to one end of the motor 20.
In this embodiment, the supporting protrusion 304 is disposed on the first elastic member 30, so that the supporting protrusion 304 is attached to one end of the motor 20, and further, the first elastic member 30 is tightly attached to the motor 20, and when the cleaner 1 is running, the first elastic member 30 absorbs the vibration generated by the motor 20 through the supporting protrusion 304, so that a good vibration isolation effect can be achieved, and the maximum value and the effective value of the vibration acceleration generated when the motor 20 vibrates are greatly reduced.
In one embodiment of the present invention, preferably, as shown in fig. 6, the dust collector 1 further includes: the motor cover 50 is arranged in the shell 10, the cover is arranged on the motor 20, a diversion cavity is arranged on the inner wall of the motor cover 50, a diversion inlet 502 is arranged on the inner wall of the diversion cavity, a diversion outlet 504 is arranged on the outer wall of the motor cover 50, and the diversion inlet 502 is far away from the diversion outlet 504; wherein, when the motor 20 is operated, the air flow enters the diversion cavity through the diversion inlet 502 and then flows out through the diversion outlet 504.
In this embodiment, through setting up the water conservancy diversion cavity on the inner wall of motor housing 50, be provided with water conservancy diversion entry 502 on the water conservancy diversion cavity inner wall, be provided with water conservancy diversion export 504 on the outer wall of motor housing 50, and water conservancy diversion entry 502 keeps away from water conservancy diversion export 504 for during operation of dust catcher 1, the air current flows into the water conservancy diversion cavity by water conservancy diversion entry 502, flow out motor housing 50 by water conservancy diversion export 504 after bypassing the water conservancy diversion cavity, the position setting of water conservancy diversion entry 502 and water conservancy diversion export 504 has prolonged the circulation route of air current, make the noise that the air current was passed through to the motor housing 50 outside diminish, and then greatly reduced the exhaust noise of dust catcher 1, the performance and the user experience of product have been promoted.
In one embodiment of the present invention, the motor cover 50 is preferably provided with sound absorbing cotton.
In this embodiment, by providing the sound absorbing cotton on the motor cover 50, the noise reducing effect can be effectively improved, and the noise can be reduced secondarily. And the design of this structure is convenient subsequent dismantlement and maintenance.
In the embodiment, as shown in fig. 1 to 10, the vacuum cleaner 1 is a hand-held vacuum cleaner 1, and the hand-held vacuum cleaner 1 includes: the assembly of the floor brush 90, the housing 100 and the push rod 110 has a large starting torque of the motor 20 of the hand-held cleaner 1 and vibration during operation, and the vibration is remarkable when the user holds the cleaner 1, seriously affects the feeling of use of the hand of the user, and easily transmits noise outwards through the housing 100. The invention greatly reduces the vibration and noise generated when the dust collector 1 operates by arranging the first elastic piece 30, the second elastic piece 60, the first diversion body 70, the motor cover 50 and the silencing device 40. The first elastic member 30 is located at the front end of the motor 20, the second elastic member 60 is located at the rear end of the motor 20, vibration isolation treatment is performed on the motor 20 by adopting a method of supporting two ends, the first elastic member 30 is provided with supporting protrusions 304, and various structures of the supporting protrusions 304, such as wedge-shaped supporting protrusions 304, are provided. Through setting up first water conservancy diversion body 70, make it be close to grid entry, and first water conservancy diversion body 70 is established with silencing device 40 relatively, and first water conservancy diversion body 70 has water conservancy diversion and the effect of making an uproar falls, is provided with the through-hole on the first water conservancy diversion body 70, and the setting of through-hole can increase the air input, has further reduced the noise, has low-cost advantage, and first water conservancy diversion body 70 still is provided with inhales the sound cotton, inhales the sound cotton and is used for the noise reduction. The first guiding body 70 may be replaced by a second guiding body 80, and the second guiding body 80 has the same function as the first guiding body 70.
In a specific embodiment, the hollow cavity has a volume of 2011.69 cubic millimeters, the outlet 402 has a depth of 13.24 millimeters, and the outlet 402 has a cross-sectional area of 198.8 square millimeters.
In the present invention, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A vacuum cleaner, comprising:
A housing;
a motor disposed within the housing;
the first elastic piece is arranged in the shell, and one end of the first elastic piece is attached to the motor;
the silencing device is arranged in the shell and is positioned at the other end of the first elastic piece, the silencing device is a hollow cavity with a unique outlet, and the outlet is opposite to the opening of the first elastic piece;
when the dust collector works, air flow enters the shell and then flows through the outlet of the silencing device and then enters the motor after passing through the first elastic piece;
The silencing device is an annular silencing device, and the outlets are uniformly distributed on the inner circular side wall of the annular silencing device along the circumferential direction;
the cross section of the annular silencing device is in an E shape.
2. A vacuum cleaner according to claim 1, wherein,
At least one rib plate is arranged on the inner wall of the hollow cavity;
wherein the at least one rib plate is used for changing the flowing direction of the air flow.
3. A vacuum cleaner according to claim 1 or 2, wherein,
And a grid type inlet is arranged at one end of the shell, which is close to the outlet of the silencing device.
4. A vacuum cleaner according to claim 1 or 2, wherein,
The motor is provided with an air inlet, and the air inlet is close to the outlet.
5. A vacuum cleaner according to claim 1 or 2, wherein,
And a silencing hole is formed in the inner wall of the silencing device.
6. A vacuum cleaner according to claim 1 or 2, wherein,
The first elastic piece is provided with a supporting bulge, and the supporting bulge is attached to one end of the motor.
7. A vacuum cleaner as claimed in claim 1 or claim 2, further comprising:
The motor cover is arranged in the shell and covered on the motor, a diversion cavity is arranged on the inner wall of the motor cover, a diversion inlet is arranged on the inner wall of the diversion cavity, a diversion outlet is arranged on the outer wall of the motor cover, and the diversion inlet is far away from the diversion outlet;
when the motor operates, air flow enters the flow guiding cavity through the flow guiding inlet and then flows out through the flow guiding outlet.
8. A vacuum cleaner according to claim 7, wherein,
The motor cover is provided with sound absorbing cotton.
CN201710496602.4A 2017-06-26 Dust collector Active CN109106276B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710496602.4A CN109106276B (en) 2017-06-26 Dust collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710496602.4A CN109106276B (en) 2017-06-26 Dust collector

Publications (2)

Publication Number Publication Date
CN109106276A CN109106276A (en) 2019-01-01
CN109106276B true CN109106276B (en) 2024-06-21

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101816534A (en) * 2009-02-27 2010-09-01 戴森技术有限公司 A silencing arrangement
CN102801244A (en) * 2011-05-27 2012-11-28 珠海格力电器股份有限公司 Damping rubber gasket
KR101209632B1 (en) * 2010-05-03 2012-12-06 주식회사 일렉파워전자 Vacuum cleaner
CN205383093U (en) * 2016-01-18 2016-07-13 江苏美的清洁电器股份有限公司 Air extractor and dust catcher
CN205379262U (en) * 2016-01-20 2016-07-13 江苏美的清洁电器股份有限公司 Dust catcher silence structure and dust catcher
CN106175584A (en) * 2016-08-30 2016-12-07 江苏美的清洁电器股份有限公司 Quiet inner motor cover, quiet motor and there is the vacuum cleaner of quiet motor
CN106438502A (en) * 2016-11-15 2017-02-22 美的集团股份有限公司 Base and bladeless fan
CN207870832U (en) * 2017-06-26 2018-09-18 美的集团股份有限公司 Dust catcher

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101816534A (en) * 2009-02-27 2010-09-01 戴森技术有限公司 A silencing arrangement
KR101209632B1 (en) * 2010-05-03 2012-12-06 주식회사 일렉파워전자 Vacuum cleaner
CN102801244A (en) * 2011-05-27 2012-11-28 珠海格力电器股份有限公司 Damping rubber gasket
CN205383093U (en) * 2016-01-18 2016-07-13 江苏美的清洁电器股份有限公司 Air extractor and dust catcher
CN205379262U (en) * 2016-01-20 2016-07-13 江苏美的清洁电器股份有限公司 Dust catcher silence structure and dust catcher
CN106175584A (en) * 2016-08-30 2016-12-07 江苏美的清洁电器股份有限公司 Quiet inner motor cover, quiet motor and there is the vacuum cleaner of quiet motor
CN106438502A (en) * 2016-11-15 2017-02-22 美的集团股份有限公司 Base and bladeless fan
CN207870832U (en) * 2017-06-26 2018-09-18 美的集团股份有限公司 Dust catcher

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