Attachment structure of storage unit

摘要

An attachment structure of a storage unit (20) having: a tank casing body (27) provided for forming a space for holding a water supply tank (17); a tank casing door member (31) including a support shaft (32) supported to the tank casing body (27) on one side so as to make the tank casing door member (31) opened/closed freely, and a lock portion (33) locked to the tank casing body (27) on the other side, the tank casing door member (31) blocking the space of the tank casing body (27) in a closed state and biased in a direction of departing from the tank casing body (27); and an operation member (35) including an engagement portion (39) engaged with the lock portion (33) to retain a state locked to the casing base, and a push button (41) for unlocking the locked state by a pushing operation, wherein: an outer circumference of a storage unit (20) is surrounded with an opening portion (71) of an exterior panel (65); the push button (41) is protruded from an outer surface of the exterior panel (65) in a mount position of the exterior panel (65) when the exterior panel (65) is in assembling work; and a space for inserting a circumferential edge of the opening portion (71) of the exterior panel (65) is formed on the back of the push button (41). <IMAGE>