PIPING CONNECTION STRUCTURE

To provide the piping connection structure that easily prevents unevenness between a surface of a pottery and an elastic member.SOLUTION: The piping connection structure for connecting piping to a through hole 103 formed on a surface of the toilet bowl body 101 comprises: an insertion part 51 that is inserted into the through hole; an abutment part 53 that can be abutted around the through hole 103 by expanding a diameter from the insertion part 51; a cylindrical elastic member 5 into which the pipe is inserted in a hollow part 54; and a fixing member that fixes an elastic member 5 and connects the piping to the through hole 103 in a state where the piping is inserted into the through hole 103, wherein the elastic member 5 has a thickness dimension in a contact part 53 along a pipe insertion direction that is larger than a thickness dimension substantially orthogonal to the pipe insertion direction in the insertion part 51.SELECTED DRAWING: Figure 2 【課題】陶器の表面と弾性部材との不陸を防止しやすい配管の接続構造を提供する。【解決手段】便器本体１０１の表面に形成された貫通孔１０３に配管を接続する配管の接続構造であって、貫通孔に挿入される挿入部５１と、挿入部５１から拡径して貫通孔１０３の周囲に当接可能な当接部５３と、を有し、中空部５４に配管が挿通される筒状の弾性部材５と、貫通孔１０３に配管が挿入された状態で、弾性部材５を固定し、配管を貫通孔１０３に接続する固定部材と、を備え、弾性部材５は、当接部５３における配管の挿通方向に沿う厚さ寸法が、挿入部５１における配管の挿通方向に略直交する厚さ寸法よりも大きい、配管の接続構造である。【選択図】図２