| 摘要 |
FIELD: personal demand items. ^ SUBSTANCE: wash-down water closet includes bowl-shaped part having bowl-shaped surface receiving biowaste and rim part on the upper edge of which the inner surface of wall protrudes inwards, syphon pipe connected to lower section of bowl-shaped part and coming from lower section of bowl-shaped part for wiping the biowaste off and determining reference level of water collected in bowl-shaped part. Water closet also includes the part representing the first projection and located on upper edge of biowaste receiving surface, as well as the part representing the second projection and located on biowaste receiving surface which is below the part representing the first projection. Besides device has projecting part formed above the part representing the second projection, the first washing water outlet hole to the part representing the first projection, the second washing water outlet hole to the part representing the first projection. Water closet has the first flowing channel for supplying washing water to the first hole and the second flowing channel for supplying washing water to the second hole. ^ EFFECT: water economy, and increasing operating efficiency of device. ^ 11 cl, 9 dwg |
