Title:
HANDHELD VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2022/042141
Kind Code:
A1
Abstract:
A handheld vacuum cleaner, which is used for treating a surface to be cleaned and comprises: a cover body (110, 120), wherein air outlet holes (111) are formed in an outer circumferential face of the cover body, a containing space is formed inside the cover body, an air inlet hole (121) is formed in a bottom end face of the cover body, and the air inlet hole (121) is in communication with the air outlet holes (111) by means of the containing space; a suction assembly (130), which is arranged in the containing space and used for forming negative pressure in the air inlet hole (121) so as to suck dirt on a surface to be cleaned; a filter assembly (140, 140a), which is arranged in the containing space, is closer to a lower cover (120) than the suction assembly (130), and is used for filtering dirty air; and at least one scraping member (170, 170a, 170b, 170c, 170d), which is arranged on a bottom end face of the lower cover (120, 120a) and surrounds the air inlet hole (121). The handheld vacuum cleaner has the advantages of a simple structure and a high cleaning efficiency.
Inventors:
DOU HONGRUN (CN)
REN LIJUAN (CN)
YIN BOXIANG (CN)
REN LIJUAN (CN)
YIN BOXIANG (CN)
Application Number:
PCT/CN2021/107487
Publication Date:
March 03, 2022
Filing Date:
July 21, 2021
Export Citation:
Assignee:
DREAME INNOVATION TECH SUZHOU CO LTD (CN)
International Classes:
A47L5/24; A47L9/00; A47L9/12; A47L9/28
Foreign References:
| CN112021986A | 2020-12-04 | |||
| CN213488587U | 2021-06-22 | |||
| CN209252680U | 2019-08-16 | |||
| CN210842842U | 2020-06-26 | |||
| CN208211967U | 2018-12-11 | |||
| CN210114392U | 2020-02-28 | |||
| CN209236003U | 2019-08-13 | |||
| US20160270609A1 | 2016-09-22 |
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