PROBLEM TO BE SOLVED: To provide a mounting toilet seat easily assembled and capable of adequately flushing excrement without air leakage or liquid leakage within the main body thereof.SOLUTION: A toilet seat main body part 10 having a defecation receiving part 14 and a urination receiving part 15 is engaged with a rear cover part 11 from a rear part and a lower surface of the toilet seat main body part 10. A cleaning water nozzle 17 having an upward injection nozzle 43 and a horizontal injection nozzle 44 and an air guide long hole 25 opening upward are arranged facing the defecation receiving part 14 of the toilet seat main body part 10. The air guide long hole 25 is covered by a front lid part 12 with a space therebetween so as to have an air feed passage 46. An assembling tongue piece 90 at a front end part of the front lid part 12 is fixed at a buttock receiving part 13 together with an assembling tongue piece 21 of the defecation receiving part 14 and an assembling tongue piece 36 of the urination receiving part 15.COPYRIGHT: (C)2015,JPO&INPIT【課題】組み立てが簡単で、本体内部での空気漏れや液漏れがなく適切に排泄物を押し流すことのできるものであること。【解決手段】排便受け部14と排尿受け部15を有する便座本体部10に、この便座本体部10の背部と下面から後カバー部11を嵌合し、便座本体部10の排便受け部14に臨ませて上向き噴射ノズル43と水平噴射ノズル44を有する洗浄水ノズル17と、上向きに開口した導風長孔25を設け、この導風長孔25の上に送風路46を有するように隙間をもって前蓋部12を被せ、この前蓋部12の前端部の組立舌片90を排便受け部14の組立舌片21と排尿受け部15の組立舌片36とともに尻受け部13に固定するようにしたものである。【選択図】図1
