To provide a drainage structure which enables a person to notice leakage of water from a through-hole of a side surface of a bathtub, and which improves the beauty of a bathroom.
Characteristically, this drainage structure 200 of the bathtub, the side surface of which has the through-hole for connecting pipes, includes: a water receiving tray 210 which is attached below the through-hole 130 of the bathtub 110; an apron 150 which is arranged on the lateral side of the bathtub 110; a receding portion 154 which is provided in the apron 150 and which recedes from a surface of the apron 150; a drain pipe 220 which is connected to the receding portion 154 from the water receiving tray 210; an outer cover 170 which conceals the receding portion 154, and which constitutes a surface flush with the surface, except the receding portion 154, of the apron; and a gap 174 which is formed between the receding portion 154 and the outer cover 170, and from which water discharged from the drain pipe 220 can flow out.
SUZUKI MITSUMASA
SASAKI HITOSHI
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