FLUSH TOILET BOWL

• Main Authors: HASHIMOTO HIROSHI, YAMAZAKI SEI, TAKANO KENICHI, SAKABA ISAMU
• Format: Patent
• Language: English; Japanese
• Published: 06.09.2023
• Subjects: FIXED CONSTRUCTIONS; FLUSHING VALVES THEREFOR; SEWERAGE; WATER SUPPLY; WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES

To provide a flush toilet bowl capable of sufficiently washing an upper area within a bowl part while suppressing splashing of washing water discharged from a rim water discharge port by placing the rim water discharge port higher up also regarding a height position of the rim water discharge port relative to the bowl part.SOLUTION: A flush toilet bowl 1 according to the present invention has a rim conduit 28 provided inside a rim part on one side with respect to a center axis in a left-right direction of a bowl part, wherein the rim conduit 28 comprises a rear conduit 30, a curbed conduit 32, and a front conduit 34, and the curved conduit comprises: a rising part 40 including a second rising bottom surface 40a that rises from a downstream end of a first rising bottom surface 36 of the rear conduit; a highest part 42 including a highest bottom surface 42a that is provided on a downstream side of the rising part and is the highest position on an entire bottom surface of the rim conduit; and a descending part 44 including a descending bottom surface 44a that descends from a downstream end of the highest bottom surface of the highest part to an upstream end of the front conduit.SELECTED DRAWING: Figure 7 【課題】ボウル部に対するリム吐水口の高さ位置についてもより上方に配置させることにより、リム吐水口から吐水される洗浄水の水飛びを抑制しつつ、ボウル部内の上方領域を十分に洗浄することができる水洗大便器を提供する。【解決手段】本発明による水洗大便器１は、ボウル部の左右方向の中心軸線に対して一方側のリム部の内部に設けられたリム導水路２８を有し、このリム導水路２８は、後方導水路３０と、屈曲導水路３２と、前方導水路３４と、を備えており、屈曲導水路は、後方導水路の第１上昇底面３６の下流端から上昇する第２上昇底面４０ａを含む上昇部４０と、この上昇部の下流側に設けられてリム導水路の底面全体において最高位置となる最高底面４２ａを含む最高部４２と、この最高部の最高底面の下流端から前方導水路の上流端まで下降する下降底面４４ａを含む下降部４４と、を備えている。【選択図】図７