| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathtub washing unit capable of securely inhibiting propagation of mold or the like inside a bathtub and keeping the interior of the bathtub clean till the next bathing. SOLUTION: The bathtub washing unit 1 includes a washing pipe 13 with one end connected to a washing nozzle 11 attached to the bathtub 2 and the other end connected to a water heater 3 for introducing hot water or water; and a detergent supply pipe 14 connected to a detergent tank 12 for introducing a detergent. The detergent supply pipe 14 is connected to the washing pipe 13. The bathtub washing unit 1 also includes a detergent mixing part 5 of a venturi structure for mixing the detergent flowing from the detergent supply pipe 14 with hot water or water flowing into the detergent pipe 13. The washing pipe 13 includes a backflow prevention device 6 disposed on the upstream side of the detergent mixing part 5, and a silver-ion generator 7 is disposed on the upstream side of the backflow prevention device 6. The silver-ion generator 7 includes a silver electrode 73 for mixing silver ions in hot water or water flowing through the washing pipe 13. The silver electrode 73 is replaceable. COPYRIGHT: (C)2009,JPO&INPIT
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