| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathroom unit wherein a drainage structure for preventing drainage and air bubbles from flowing back into a bathtub pan is provided in the bathtub pan. SOLUTION: In this bathroom unit, a drainage receiving part is arranged in such a manner as to receive the drainage from a drain inlet of the bathtub pan; a drainage nozzle, which is elongated out from the drainage receiving part, is connected with a drainage path on the side of a washing place pan; a lid, wherein a bathtub drain pipe inserting hole and a bathtub pan drain hole are drilled, is fitted into the drain inlet of the bathtub pan; the bathtub drain pipe, which is elongated out from the drain inlet of the bathtub, is mounted in such a manner as to face the inside of the drainage receiving part via the bathtub drain pipe inserting hole; a float valve is provided below the lid in such a manner as to float up by the hydraulic pressure of the drainage flowing back to the side of the drain inlet of the bathtub pan from the side of the drainage receiving part and to close the drain hole from a downward direction; and a guide pipeline, which allows the bathtub drainage, flowing into the side of the drainage receiving part from the bathtub drain pipe via the bathtub drain pipe inserting hole, to directly flow into the drainage nozzle, is provided in the drainage receiving part. COPYRIGHT: (C)2006,JPO&NCIPI
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