JPS63121675U

JPS63121675U -

Info

Publication number: JPS63121675U
Application number: JP1432087U
Authority: JP
Priority date: 1987-02-02
Filing date: 1987-02-02
Publication date: 1988-08-08

Description

[Brief explanation of the drawing]

第１図は本案弁機構を備えた洗浄タンクを概略
して示す断面図、第２図は本案弁機構を拡大して
示す断面図、第３図イ及びロは引下周面における
別態様の実施例を示す正面図、第４図は従来の弁
機構を概略して示す断面図である。１……洗浄タンク、２……弁機構（従来）、３
ｃ……弁座、３ｅ……弁口、５……揚弁装置、５
ｂ……引上杆、６……フロート弁、６ａ……球状
座面、７……引下周面。 Fig. 1 is a cross-sectional view schematically showing a cleaning tank equipped with the valve mechanism of the present invention, Fig. 2 is a cross-sectional view showing the valve mechanism of the present invention in an enlarged manner, and Fig. 3 A and B show different embodiments of the drawing circumferential surface. FIG. 4 is a front view showing an embodiment, and a sectional view schematically showing a conventional valve mechanism. 1...Cleaning tank, 2...Valve mechanism (conventional), 3
c...Valve seat, 3e...Valve port, 5...Valve lifting device, 5
b...Lifting rod, 6...Float valve, 6a...Spherical seat surface, 7...Drawing peripheral surface.

Claims

[Scope of utility model registration request]

A valve port provided on the bottom wall of the tank and connected to a water supply chamber such as a flush toilet, a funnel-shaped valve seat provided around the opening inside the tank of the valve port, and a spherical seat surface for the valve seat. In a cleaning tank valve mechanism consisting of a float valve suspended from a lifting rod of a lifting valve device, a lowering peripheral surface for setting the valve opening is provided at the lower center of the spherical seat surface of the float valve. A valve mechanism for a cleaning tank, characterized in that the valve mechanism extends toward the valve port.