Title:
SEPARATION AND DUST COLLECTION ASSEMBLY AND VACUUM CLEANER HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2020/211384
Kind Code:
A1
Abstract:
The present invention provides a vacuum cleaner and a separation and dust collection assembly thereof. The separation and dust collection assembly comprises a dust cup and a dust air separator located within the dust cup; the dust cup comprises a cylindrical side wall, a closed cover plate provided at one axial end of the side wall, a base plate provided at the other axial end of the side wall and an air outlet provided on the base plate; the dust air separator comprises a main body mechanism and an air guide cover; the main body mechanism comprises a separation barrel having several separation openings, an assembling portion connected to a first axial end of the separation barrel and an air outlet barrel connected to a second axial end of the separation barrel, the air guide cover is connected to the assembling portion in a sealing manner and extends into the separation barrel, an air guide cavity is formed between the air guide cover and the separation barrel, the air guide cavity is in communication with the air outlet through the air outlet barrel, and an enclosed cavity is formed between the air guide cover and the cover plate. The enclosed cavity and the air guide cavity are sealed and isolated by means of the air guide cover, reducing the air kinetic energy loss caused by eddy current.
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Inventors:
LIU HAIPING (CN)
XIA LEI (CN)
XIA LEI (CN)
Application Number:
PCT/CN2019/121494
Publication Date:
October 22, 2020
Filing Date:
November 28, 2019
Export Citation:
Assignee:
SKYBEST ELECTRIC APPLIANCE SUZHOU CO LTD (CN)
International Classes:
A47L9/00; A47L5/28; A47L9/02; A47L9/10; A47L9/16; B01D45/00; B04C5/22; B08B1/04
Foreign References:
| CN110419983A | 2019-11-08 | |||
| CN103536244A | 2014-01-29 | |||
| CN108758892A | 2018-11-06 | |||
| US7931740B2 | 2011-04-26 |
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