Negative pressure structure of dust suction device
AssigneeCinderson Technology (Suzhou) Co., Ltd.
InventorYunfang ZHU
Life of this patent
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Abstract
A negative pressure structure of a dust suction device includes a main body, as well as a vacuum motor, a first connecting pipe, a second connecting pipe and a switch mechanism which are all arranged on the main body. The main body is formed with an air duct, and the vacuum motor is configured to supply air to the air duct. Under action of the switch mechanism, the first connecting pipe is alternately in communication with a first end or a second end of the air duct, and the second connecting pipe is alternately in communication with the second end or the first end of the air duct.
Claims8
A negative pressure structure of a dust suction device, comprising a main body, as well as a vacuum motor, a first connecting pipe, a second connecting pipe and a switch mechanism which are all arranged on the main body,
- wherein the main body is formed with an air duct, and the vacuum motor is configured to supply air to the air duct, and
- under action of the switch mechanism, the first connecting pipe is alternately in communication with a first end or a second end of the air duct, and the second connecting pipe is alternately in communication with the second end or the first end of the air duct.
Dependencies are inferred from the claim text.