PROBLEM TO BE SOLVED: To facilitate attaching and detaching of a container storing a stock solution for preparing sterilized water to and from a sterilized water generator.SOLUTION: A sterilized water generator, which generates sterilized water from a stock solution for preparing it, includes: a storage part 104 which stores the stock solution and accommodates a stock solution cartridge having a supply port used for supplying the stock solution to the outside an opening/closing door 410 which is openable and closable and installed in the storage part 104 a pressing member 440 which is pressed against the supply port of the stock solution cartridge accommodated in the storage part 104 and a guide member 500, an elastic piece 430, a shaft 450, and a roller 460 which move the pressing member 440 toward the supply port. The guide member 500, the elastic piece 430, the shaft 450, and the roller 460 move the pressing member in conjunction with opening and closing movement of the opening/closing door 410.COPYRIGHT: (C)2015,JPO&INPIT【課題】殺菌水の元となる原液が収容された容器の殺菌水生成装置に対する着脱を容易にすることを目的とする。【解決手段】殺菌水の元となる原液から殺菌水を生成する殺菌水生成装置であって、原液を収容し原液の外部への供給に用いられる供給口を備えた原液カートリッジを収納する収納部104と、収納部104に設けられ、開閉可能な開閉扉410と、収納部104に収納された原液カートリッジの供給口に押し付けられる押し付け部材440と、押し付け部材440を、供給口に向けて移動させる案内部材500、弾性片430、シャフト450およびローラ460と、を備え、案内部材500、弾性片430、シャフト450およびローラ460は、開閉扉410の開閉動作と連動して、押し付け部材440を移動させることを特徴とする。【選択図】図5