Title:
ANTI-SIPHON MECHANISM OF MINIATURE WATER PUMP, AND MINIATURE WATER PUMP
Document Type and Number:
WIPO Patent Application WO/2020/244590
Kind Code:
A1
Abstract:
Disclosed is an anti-siphon mechanism of a miniature water pump, the miniature water pump comprising an upper cover (1) and a valve plate (2) mounted below the upper cover (1), wherein a side face of the upper cover (1) is provided with a water outlet (4) in a penetrating manner; the upper cover (1) is further provided with an air outlet and a water inlet; the valve plate (2) is internally provided with an anti-siphon mechanism; the anti-siphon mechanism comprises air distribution chambers provided on the valve plate (2), partition areas are provided between the air distribution chambers and divide the interior thereof into an air outlet cavity, a water inlet cavity and a water outlet cavity; and a valve body device is mounted in the air outlet cavity, and a flow stop device is mounted in the water outlet cavity. As such, the problems of a traditional miniature water pump wherein liquid in a vacuum sealed container (14) cannot be smoothly pumped out or siphonage occurs after the liquid is discharged can be solved.
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| WO/2016/033016 | PUMPING APPARATUSES AND METHODS FOR FLUID INFUSION |
| WO/2022/043986 | IMPROVEMENTS IN AQUARIUM EQUIPMENT |
| WO/1996/008649 | PRESSURE VESSEL WITH AIR BUBBLE EJECTION SYSTEM |
Inventors:
ZHOU SHOUYUAN (CN)
LAI LIANGHUI (CN)
LAI LIANGHUI (CN)
Application Number:
PCT/CN2020/094428
Publication Date:
December 10, 2020
Filing Date:
June 04, 2020
Export Citation:
Assignee:
SHENZHEN DEYUXIN TECH CO LTD (CN)
International Classes:
F04B43/00; F04B17/00; F04B53/10
Foreign References:
| CN210290079U | 2020-04-10 | |||
| CN210290080U | 2020-04-10 | |||
| CN109139432A | 2019-01-04 | |||
| US20180023556A1 | 2018-01-25 | |||
| JPH09158843A | 1997-06-17 | |||
| EP1344942A2 | 2003-09-17 |
Attorney, Agent or Firm:
GUANGZHOU YIRUI PATENT AGENCY CO., LTD. (CN)
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