FLUSH TOILET BOWL

• Main Authors: OKADA SHIGERU, HASHIMOTO HIROSHI, TSUBONE YUICHI, YAMAZAKI SEI, YASUI KAZUNARI, NAKAMURA KENICHI, URATA SHINICHI
• Format: Patent
• Language: English; Japanese
• Published: 11.04.2023
• Subjects: FIXED CONSTRUCTIONS; FLUSHING VALVES THEREFOR; SEWERAGE; WATER SUPPLY; WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES

To provide a flush toilet bowl that can enhance longitudinal agitation performance of filth in a pot part of a toilet bowl body, and can improve dirt discharge performance.SOLUTION: A flush toilet bowl 1 according to the present invention comprises: a bowl part 6 having a dirt receiving surface 14, a rim part 18, and a pot part 12; and a drain trap part 8 for discharging dirt in the bowl part, wherein the pot part 12 has a bottom wall 32, a rear wall 34, a rear side wall 36 provided so as to expand left and right outward toward the front from both left and right ends of the rear wall, and a front side wall 38 provided so as to taper left and right inwards toward the front from both left and right front ends of the rear side wall, and joined at the front ends thereof to each other, the rear side wall is formed so that left and right wall surfaces in a plan view are located inside the pot part as the left and right wall surfaces go from a top to a bottom, and a protruding part 54 protruding forward is provided above a rear edge 30a of an inlet port of the drain trap part in a lower region of the rear wall.SELECTED DRAWING: Figure 3A 【課題】便器本体の壺部内における汚物の縦方向の撹拌性能を高めることができ、汚物排出性能を向上させ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、汚物受け面１４と、リム部１８と、壺部１２と、を備えたボウル部６と、このボウル部内の汚物を排出する排水トラップ部８と、を有し、壺部１２は、底壁３２と、後壁３４と、この後壁の左右両端から前方に向かって左右外側に広がるように設けられた後方側壁３６と、この後方側壁の左右前端から前方に向かって左右内側に窄まるように設けられて互いの前端が接合される前方側壁３８と、を備えており、後方側壁は、平面視における左右の壁面が、上方から下方に向かうにつれて壺部の内側に位置するように形成され、後壁の下方領域における排水トラップ部の入口の後端３０ａ上方には、前方に向かって突出する突出部５４が設けられている。【選択図】図３Ａ