EP2907438A1 - A motor denoising structure applied to vacuum cleaners - Google Patents
A motor denoising structure applied to vacuum cleaners Download PDFInfo
- Publication number
- EP2907438A1 EP2907438A1 EP14197989.8A EP14197989A EP2907438A1 EP 2907438 A1 EP2907438 A1 EP 2907438A1 EP 14197989 A EP14197989 A EP 14197989A EP 2907438 A1 EP2907438 A1 EP 2907438A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor
- support
- vacuum cleaners
- structure applied
- cover
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/22—Mountings for motor fan assemblies
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
Definitions
- the present invention relates to a motor denoising structure applied to vacuum cleaners.
- a purpose of the present invention is as follows: A motor denoising structure applied to vacuum cleaners is provided, whose motor cover supports the motor support through an elastomer, such a flexible connection reducing noise while reducing vibration.
- a technical solution of the present invention is as follows: A motor denoising structure applied to vacuum cleaners, with an elastomer disposed between a motor support and a motor cover to support the motor support.
- the elastomer comprises a flexible cushion disposed on the motor cover, with a flexible support sheet being connected between the flexible cushion and the motor support.
- the flexible support sheet is a flexible sheet having a supporting function.
- the lower portion of the motor fixed inside the motor support in the present invention is suspended inside the motor cover, i.e., the tail portion of the motor is suspended inside the motor cover and gets in no contact with the motor cover; certainly, other cushioning parts (e.g. a damping pad and a spring) can also be disposed between the tail portion of the motor and the motor cover, so as to achieve the corresponding damping effect.
- the solution that the lower portion of the motor is suspended inside the motor cover is preferred in the present invention, thereby preventing the lower portion of the motor from contacting the motor cover to make the motor vibration transferred to the motor cover, which can better reduce noise and the production cost as well.
- Fig. 1 is a structural schematic view of the present invention.
- a motor denoising structure applied to vacuum cleaners comprising a motor 1 and a motor cover 2, the motor 1 being provided at its periphery with a motor support 3 used for fixing the motor 1; the motor cover 2 supports the motor support 3 through an elastomer 4, which comprises a flexible cushion 41 disposed on the motor cover 2, with a flexible support sheet 42 being connected between the flexible cushion 41 and the motor support 3.
- the flexible support sheet 42 is a flexible sheet having a supporting function.
- the lower portion of the motor 1 in the present invention is suspended inside the motor cover, i.e., the tail portion of the motor 1 is suspended inside the motor cover 2 and gets in no contact with the motor cover 2; certainly, other cushioning parts (e.g. a damping pad and a spring) can also be disposed between the tail portion of the motor 1 and the motor cover 2, so as to achieve the corresponding damping effect.
- cushioning parts e.g. a damping pad and a spring
- the motor cover 2 of the present invention supports the motor support 3 through the elastomer 4, such a flexible connection reducing noise while reducing vibration. Besides, ensuring that the tail portion of the motor 1 is suspended can prevent the lower portion of the motor 1 from contacting the motor cover 2 to make vibration of the motor 1 transferred to the motor cover 2, which can better reduce noise and the production cost as well.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
- The present invention relates to a motor denoising structure applied to vacuum cleaners.
- With the motor power of a vacuum cleaner gradually increased, the noise of the vacuum cleaner is also increased. In the prior art, in order to resolve the problem of motor noise of the vacuum cleaner, the manufacturers usually take the following approaches:
- 1. Making effort on the motor itself, and achieving low noise output by reducing the power consumption while ensuring its work efficiency; however, this approach suffers high cost, with the actual denoising effect not very ideal.
- 2. Making improvement in the wind channel in the motor housing, such as making improvement in the shape of the dynamic and static wind wheels, or reducing noise by the addition of an anechoic room, a wind pipe and other structures; however, this approach has the disadvantages that the motor housing has complicated structure design, the model is more difficult to be manufactured, and the cost is increased.
- 3. Since the low-frequency noise of the vacuum cleaner mainly comes from vibration of the motor, in order to reduce vibration of the motor, in the industry the motor is fixed inside the motor cover front and rear with a motor seal ring and a motor pressure seat; however, the prior art motor and motor cover are fixed mostly by rigid connection, which still has a limited silencing effect and may also produce resonance, not able to achieve low noise of the motor.
- A purpose of the present invention is as follows: A motor denoising structure applied to vacuum cleaners is provided, whose motor cover supports the motor support through an elastomer, such a flexible connection reducing noise while reducing vibration.
- A technical solution of the present invention is as follows: A motor denoising structure applied to vacuum cleaners, with an elastomer disposed between a motor support and a motor cover to support the motor support.
- Furthermore, the elastomer comprises a flexible cushion disposed on the motor cover, with a flexible support sheet being connected between the flexible cushion and the motor support. The flexible support sheet is a flexible sheet having a supporting function.
- In order to better damp vibration and reduce noise, the lower portion of the motor fixed inside the motor support in the present invention is suspended inside the motor cover, i.e., the tail portion of the motor is suspended inside the motor cover and gets in no contact with the motor cover; certainly, other cushioning parts (e.g. a damping pad and a spring) can also be disposed between the tail portion of the motor and the motor cover, so as to achieve the corresponding damping effect. The solution that the lower portion of the motor is suspended inside the motor cover is preferred in the present invention, thereby preventing the lower portion of the motor from contacting the motor cover to make the motor vibration transferred to the motor cover, which can better reduce noise and the production cost as well.
- The present invention has the following advantages:
- 1. The motor cover of the present invention supports the motor support through an elastomer, such a flexible connection reducing noise while reducing vibration.
- 2. The lower portion of the motor in the present invention is preferred to be suspended inside the motor cover, thereby preventing the lower portion of the motor from contacting the motor cover to make the motor vibration transferred to the motor cover, which can better reduce noise and the production cost as well.
- The present invention will be further described below with reference to drawings and examples.
-
Fig. 1 is a structural schematic view of the present invention. - Wherein:
- 1. motor;
- 2. motor cover;
- 3. motor support;
- 4. elastomer; 41. spring; and 42. flexible support sheet.
- Example: As shown in
Fig. 1 , a motor denoising structure applied to vacuum cleaners, comprising amotor 1 and amotor cover 2, themotor 1 being provided at its periphery with amotor support 3 used for fixing themotor 1; themotor cover 2 supports themotor support 3 through anelastomer 4, which comprises aflexible cushion 41 disposed on themotor cover 2, with aflexible support sheet 42 being connected between theflexible cushion 41 and themotor support 3. Theflexible support sheet 42 is a flexible sheet having a supporting function. - In order to better damp vibration and reduce noise, the lower portion of the
motor 1 in the present invention is suspended inside the motor cover, i.e., the tail portion of themotor 1 is suspended inside themotor cover 2 and gets in no contact with themotor cover 2; certainly, other cushioning parts (e.g. a damping pad and a spring) can also be disposed between the tail portion of themotor 1 and themotor cover 2, so as to achieve the corresponding damping effect. The solution that the lower portion of themotor 1 is suspended inside themotor cover 2 is preferred in this example. - The
motor cover 2 of the present invention supports themotor support 3 through theelastomer 4, such a flexible connection reducing noise while reducing vibration. Besides, ensuring that the tail portion of themotor 1 is suspended can prevent the lower portion of themotor 1 from contacting themotor cover 2 to make vibration of themotor 1 transferred to themotor cover 2, which can better reduce noise and the production cost as well. - What is described above is only a specific application example of the present invention, and cannot limit the scope of protection of the present invention. In addition to the above example, the present invention can also have other embodiments. Any technical solution based on equal substitution or equivalent alteration all falls within the scope seeking protection in the present invention.
Claims (4)
- A motor denoising structure applied to vacuum cleaners, characterized in that: an elastomer (4) is disposed between a motor support (3) and a motor cover (2) to support the motor support (3).
- The motor denoising structure applied to vacuum cleaners according to claim 1, wherein the elastomer (4) comprises a flexible cushion (41) disposed on the motor cover (2), with a flexible support sheet (42) being connected between the flexible cushion (41) and the motor support (3).
- The motor denoising structure applied to vacuum cleaners according to claim 2, wherein the flexible support sheet (42) is a flexible sheet having a supporting function.
- The motor denoising structure applied to vacuum cleaners according to claim 1, 2 or 3, wherein a lower portion of the motor (1) fixed inside the motor support (3) is suspended inside the motor cover (2).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420068273.5U CN203815390U (en) | 2014-02-18 | 2014-02-18 | Motor noise reduction structure applied to dust collector |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2907438A1 true EP2907438A1 (en) | 2015-08-19 |
EP2907438B1 EP2907438B1 (en) | 2020-03-11 |
Family
ID=51470944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14197989.8A Active EP2907438B1 (en) | 2014-02-18 | 2014-12-15 | A motor denoising structure applied to vacuum cleaners |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2907438B1 (en) |
CN (1) | CN203815390U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180028031A1 (en) * | 2015-02-15 | 2018-02-01 | Kingclean Electric Co., Ltd. | Motor noise reduction structure for dust collector, and dust collector |
CN112704430A (en) * | 2019-10-24 | 2021-04-27 | 株式会社牧田 | Dust collector |
US11116369B2 (en) | 2016-04-27 | 2021-09-14 | Diversey, Inc. | Vacuum cleaner |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108309147B (en) * | 2018-04-04 | 2024-05-10 | 盐城工业职业技术学院 | Electric dust collector and cleaning device |
CN108719116B (en) * | 2018-08-29 | 2023-12-19 | 莱克电气股份有限公司 | A motor assembly of making an uproar falls in two wind channels for pet cleaning machine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009101775A1 (en) * | 2008-02-12 | 2009-08-20 | Kabushiki Kaisha Toshiba | Electric vacuum cleaner |
EP2227998A1 (en) * | 2007-11-22 | 2010-09-15 | Kabushiki Kaisha Toshiba | Electric cleaner |
WO2010106471A1 (en) * | 2009-03-17 | 2010-09-23 | Koninklijke Philips Electronics N.V. | Vacuum cleaner |
-
2014
- 2014-02-18 CN CN201420068273.5U patent/CN203815390U/en not_active Expired - Lifetime
- 2014-12-15 EP EP14197989.8A patent/EP2907438B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2227998A1 (en) * | 2007-11-22 | 2010-09-15 | Kabushiki Kaisha Toshiba | Electric cleaner |
WO2009101775A1 (en) * | 2008-02-12 | 2009-08-20 | Kabushiki Kaisha Toshiba | Electric vacuum cleaner |
WO2010106471A1 (en) * | 2009-03-17 | 2010-09-23 | Koninklijke Philips Electronics N.V. | Vacuum cleaner |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180028031A1 (en) * | 2015-02-15 | 2018-02-01 | Kingclean Electric Co., Ltd. | Motor noise reduction structure for dust collector, and dust collector |
US10524626B2 (en) | 2015-02-15 | 2020-01-07 | Kingclean Electric Co., Ltd. | Motor noise reduction structure for dust collector, and dust collector |
US11116369B2 (en) | 2016-04-27 | 2021-09-14 | Diversey, Inc. | Vacuum cleaner |
US11452412B2 (en) | 2016-04-27 | 2022-09-27 | Diversey, Inc. | Vacuum cleaner |
US11937759B2 (en) | 2016-04-27 | 2024-03-26 | Diversey Switzerland Services Gmbh | Vacuum cleaner |
CN112704430A (en) * | 2019-10-24 | 2021-04-27 | 株式会社牧田 | Dust collector |
JP2021065463A (en) * | 2019-10-24 | 2021-04-30 | 株式会社マキタ | Dust collector |
US11672396B2 (en) | 2019-10-24 | 2023-06-13 | Makita Corporation | Dust extractor |
CN112704430B (en) * | 2019-10-24 | 2024-04-09 | 株式会社牧田 | Dust Collector |
Also Published As
Publication number | Publication date |
---|---|
CN203815390U (en) | 2014-09-10 |
EP2907438B1 (en) | 2020-03-11 |
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