| 摘要 |
PROBLEM TO BE SOLVED: To provide a toilet bowl flush tank capable of preventing the deterioration and breakage of a water supply system by preventing part of washing water discharged from the discharge port of a hand-washing water discharge pipe from dropping into the water supply system.SOLUTION: The toilet bowl flush tank includes an exterior tank, an outer cover detachably fixed to the upper side of the exterior tank, an interior tank mounted in the exterior tank and including at least part of water supply means, for storing washing water supplied from the water supply means, an inner cover detachably fixed to the upper side of the interior tank, and a hand-washing water discharge pipe having a discharge port located in the upper side of the outer cover for discharging washing water to wash a hand. A hand-washing pot is formed on the upper face of the outer cover, a drain port is formed therein to drain the washing water received by the hand-washing pot into the interior tank, and an opening is formed in the inner cover to guide the washing water drained from the drain port into the interior tank. Water drop preventing means is provided for preventing drops of water from being put from the inner face of the inner cover into the water supply means. |
