Title:
LIGHT-TOUCH WATER DRAIN VALVE CAPABLE OF ADJUSTING WATER DRAINAGE AMOUNT OF WATER TANK IN STEPLESS MANNER
Document Type and Number:
WIPO Patent Application WO/2023/082320
Kind Code:
A1
Abstract:
A light-touch water drain valve capable of adjusting the water drainage amount of a water tank in a stepless manner. The water drain valve is composed of three parts: a valve body, a water drain valve opening device, and a water drainage amount control device. In the water drain valve, the valve is opened by means of the buoyancy of water, and the water drainage amount is controlled by means of the depth at which a key is pressed, which key is particularly light.
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| JP3644935 | APPARATUS FOR OPENING/CLOSING WATER SUPPLY PORT OF LOW TANK |
| WO/2023/109181 | DRAINAGE CONTROL DEVICE |
Inventors:
ZHANG CHANGKUN (CN)
LIU LUFA (CN)
YANG HELI (CN)
WANG WEIDONG (CN)
LI LI (CN)
LIU YONGLIANG (CN)
WU YANXIA (CN)
ZHANG QI (CN)
MA HONGXIN (CN)
LIU WEI (CN)
SHI ZHENPING (CN)
LIU LUFA (CN)
YANG HELI (CN)
WANG WEIDONG (CN)
LI LI (CN)
LIU YONGLIANG (CN)
WU YANXIA (CN)
ZHANG QI (CN)
MA HONGXIN (CN)
LIU WEI (CN)
SHI ZHENPING (CN)
Application Number:
PCT/CN2021/132233
Publication Date:
May 19, 2023
Filing Date:
November 23, 2021
Export Citation:
Assignee:
UNIV DEZHOU (CN)
International Classes:
E03D1/34; E03D1/35; E03D5/092
Foreign References:
| CN2389932Y | 2000-08-02 | |||
| CN107514036A | 2017-12-26 | |||
| JP2016069873A | 2016-05-09 | |||
| CN107642133A | 2018-01-30 | |||
| CN212643695U | 2021-03-02 | |||
| CN203334384U | 2013-12-11 |
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