Title:
TOILET WATER TANK, WATER TANK PISTON ROD AND HYDRAULIC CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2017/202032
Kind Code:
A1
Abstract:
A toilet water tank, a water tank piston rod and a hydraulic control valve, belonging to the field of toilets. The water tank piston rod (12) comprises a rod having two or more levels, the outside of the water tank piston rod is provided with a protective cavity (73), one end of the cavity (73) is connected to a water tank (75) and the other end is sealed, the protective cavity may sleeve the piston rod (12) when extended, the sealed end is provided with an adjusting bolt (71), the adjusting bolt (71) may adjust the amount of water added to the water tank, the cavity (73) is provided with a lubricant addition tube (72), and a lubricant (74), compressed air or a liquid such as water which does not affect the lubrication effect of the lubricant may be added to the cavity (73) via the tube (72). A water flow channel or water flow gap (51) penetrating a piston (11) is arranged on the piston (11), or a water flow gap is arranged between a water tank cylinder and the piston (11), so as to implement water circulation on two sides of the piston (11), and a second seal is arranged between the water tank (75) and the piston (11), so as to solve the problem of leakage when the water tank is idle.
Inventors:
WANG YONGQIANG (CN)
Application Number:
PCT/CN2017/000368
Publication Date:
November 30, 2017
Filing Date:
May 24, 2017
Export Citation:
Assignee:
WANG YONGQIANG (CN)
International Classes:
E03D5/012; E03D1/36; E03D9/16; F16N1/00
Foreign References:
| CN2460590Y | 2001-11-21 | |||
| CN102454216A | 2012-05-16 | |||
| CN101684668A | 2010-03-31 | |||
| CN201738414U | 2011-02-09 | |||
| CN103074919A | 2013-05-01 | |||
| CN104141337A | 2014-11-12 | |||
| JP2000139769A | 2000-05-23 |
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