Title:
DUST COLLECTOR
Document Type and Number:
WIPO Patent Application WO/2023/039866
Kind Code:
A1
Abstract:
The present utility model provides a dust collector, comprising a main body provided with an accommodating cavity. A fan is provided in the accommodating cavity; air outlet holes are formed on the side surface of the main body, air inlet holes are formed on the front end of the main body, and the air outlet holes are communicated with the accommodating cavity; the main body comprises an inner cylinder and an outer cylinder sleeved on the inner cylinder, the inner cylinder and the outer cylinder are both provided with air outlet holes, and the inner cylinder and the outer cylinder can rotate relative to each other; an air blowing pipe is rotatably provided on the outer side wall of the outer cylinder; during air suction, the sum of the areas of all the air outlet holes is greater than the sum of the areas of all the air inlet holes; during air blowing, the sum of the areas of all the air inlet holes is greater than the area of the pipe opening of the air outlet end of the air blowing pipe. According to the present utility model, air can be fed from the air inlet holes, then the air is discharged by means of the air outlet holes, and the airflow is blown out by means of the air outlet holes after passing through the accommodating cavity, thereby facilitating working of the dust collector; the inner cylinder and the outer cylinder can rotate relative to each other, so that the air outlet holes on the inner cylinder and the outer cylinder can be overlapped or staggered, thereby achieving the effect of opening or closing the air outlet holes.
Inventors:
LI SONG (CN)
Application Number:
PCT/CN2021/119191
Publication Date:
March 23, 2023
Filing Date:
September 18, 2021
Export Citation:
Assignee:
DONGGUAN YATENG ELECTRONICS CO LTD (CN)
International Classes:
A47L9/00; A47L5/24; B08B5/02; B08B5/04
Foreign References:
| CN209107181U | 2019-07-16 | |||
| US6141823A | 2000-11-07 | |||
| CN2882511Y | 2007-03-28 |
Attorney, Agent or Firm:
BEIJING KEYI INTELLECTUAL PROPERTY FIRM (CN)
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