| 摘要 |
<P>PROBLEM TO BE SOLVED: To directly and evenly apply washing water to a wide range of a human body private part while reducing splash of the washing water. <P>SOLUTION: A sanitary washing device for washing a human body private part with washing water jetted from a water ejection hole 411 includes a nozzle 410 provided with a swirl chamber 423 capable of generating a swirl flow and a communication path R for guiding the swirl flow generated in the swirl chamber to the water ejection hole. The communication path includes an orifice flow path 425 provided on the downstream side of the swirl chamber, and a throat flow path 431 provided between the orifice flow path and the water ejection path and having an inner diameter larger than that of the orifice flow path. For the throat flow path, a water receiving surface 431a for making the washing water jetted from the orifice flow path collide and a water flowing surface 431b for making the washing water that has collided with the water receiving surface flow along an inner wall surface of the throat flow path and guiding it to the water ejection hole are continuously formed so that the water receiving surface and the water flowing surface have the same inner diameter, the swirl flow is introduced to the throat flow path, and the washing water is turned to a liquid film flow 510 in a hollow conical shape and is jetted from the water ejection hole 411. <P>COPYRIGHT: (C)2012,JPO&INPIT |
