Title:
HAND WASH MACHINE WITH LIQUID LEAKAGE PREVENTION FUNCTION
Document Type and Number:
WIPO Patent Application WO/2021/238156
Kind Code:
A1
Abstract:
Disclosed is a hand wash machine with a liquid leakage prevention function. The hand wash machine comprises: a liquid storage bottle (10), wherein a liquid discharge hole (12) and an air intake hole (13) are provided in the upper portion of the liquid storage bottle (10), and the air intake hole (13) is provided with a one-way air intake valve (14); and a machine head (20), which is connected and fixed to the liquid storage bottle (10). The machine head (20) comprises a housing (21), wherein a water outlet is provided in the housing (21); a switch (51) is arranged on the machine head (20); a sensor (70) is arranged on a surface of the housing (21); a control circuit board (50) is arranged inside the housing (21), the switch (51) and the sensor (70) being connected to the control circuit board (50); a micro pump (30) is arranged inside the housing (21), the micro pump (30) being connected to the control circuit board (50); a liquid suction pipe (31) is connected to the micro pump (30), and the liquid suction pipe (31) extends into the liquid storage bottle (10) via the liquid discharge hole (12); and a liquid discharge channel (40) is arranged between the micro pump (30) and the water outlet. In the present invention, the air intake hole (13) of the liquid storage bottle (10) is provided with the one-way air intake valve (14), that is, even if the hand wash machine is toppled, liquid in the liquid storage bottle (10) cannot leak out via the air intake hole (13), such that waste is avoided, and elements in the machine head (20) cannot be corroded and the outer surface of the hand wash machine cannot be contaminated.
Inventors:
LI ZHUOYAN (CN)
Application Number:
PCT/CN2020/135797
Publication Date:
December 02, 2021
Filing Date:
December 11, 2020
Export Citation:
Assignee:
LI ZHUOYAN (CN)
International Classes:
A47K5/12; A47K5/14
Foreign References:
| CN111543880A | 2020-08-18 | |||
| CN209499564U | 2019-10-18 | |||
| CN209528987U | 2019-10-25 | |||
| CN106264262A | 2017-01-04 | |||
| US20190001009A1 | 2019-01-03 |
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
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