FLUSHING WATER TANK DEVICE AND FLUSHING TOILET BOWL EQUIPPED WITH THE SAME: Fid-Bau Portal

FLUSHING WATER TANK DEVICE AND FLUSHING TOILET BOWL EQUIPPED WITH THE SAME

MIZOGUCHI WAKICHI / SAITO HARUKA / SAKAMOTO YUSUKE

PROBLEM TO BE SOLVED: To provide a flushing water tank device capable of surely supplying a predetermined amount of flushing water from a water storage tank to a toilet bowl.SOLUTION: A flushing water tank device for storing flushing water for washing a flushing toilet bowl includes: a water storage tank having a drain port formed on the bottom surface; a drain valve for supplying the flushing water in the flushing toilet bowl; a cylindrical body having an opening part formed on the upper side surface; a switching valve for opening and closing the opening part; a control cylinder arranged inside the cylindrical body; a float arranged inside the control cylinder and closing the drain port with the drain valve by moving downward; and downward movement control means arranged in the control cylinder and controlling the downward movement of the drain valve. When the switching valve opens the opening part to supply a predetermined amount of flushing water to the flushing toilet bowl from the opening part through the drain port, the drain valve closes the drain port, thereby a water level outside the cylindrical body immediately after the drain valve closing the drain port is positioned between the upper end and the lower end of the opening part.

【課題】所定の洗浄水量を貯水タンクから便器に確実に供給することができる洗浄水タンク装置を提供すること。【解決手段】水洗便器を洗浄する洗浄水を貯水する洗浄水タンク装置であって、底面に排水口が形成された貯水タンクと、水洗便器への洗浄水の供給を行う排水弁と、側面上部に開口部が形成された筒体と、開口部を開閉する切替弁と、筒体の内方に配置された制御筒と、制御筒内に配置され、下降することで前記排水口を排水弁で閉止するフロートと、制御筒に設けられ排水弁の下降動作を制御する下降動作制御手段と、を有し、切替弁が開口部を開いて洗浄水を開口部から排水口を経て水洗便器に所定の洗浄水量を供給したとき、排水弁が排水口を閉止し、これにより、排水弁が排水口を閉止した直後の筒体の外方の水位が、開口部の上端から下端の間に位置するような構成としたことを特徴とする洗浄水タンク装置。【選択図】図２

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