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AssigneeShenzhen Lute Jiacheng Supply Chain Management Co., Ltd.
InventorsCaihu Jia, Hengwei Wei, Jun Wang, Siyu Li, Qiao Yao
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A cleaning brush includes a brush rod, a negative pressure assembly, a valve, and a liquid storage bottle. The brush rod includes a liquid outlet. The negative pressure assembly includes a pushing element and a negative pressure element. The negative pressure element defines a negative pressure channel. The pushing element defines a liquid inlet in communication with the liquid outlet. The pushing element is slidably arranged in the negative pressure channel, a pressure in the negative pressure channel is caused to change by a sliding of the pushing element. The liquid inlet is selectively in communication with the negative pressure channel. The negative pressure assembly is arranged in the liquid storage bottle, and the negative pressure channel is selectively in communication with the liquid storage bottle through the valve controlled by the pressure in the negative pressure channel.
A cleaning brush, comprising:
Dependencies are inferred from the claim text.