The present invention relates to a disinfecting appliance made up of three independent parts coupled together in an arrangement that can be disassembled, comprising a body (1) which houses a functional unit including means for producing ozone, a container (2) in which the objects (23) to be disinfected are placed in a liquid medium and a lid (3) closing the container (2) and incorporating means for locking and releasing the coupling of the assembly between the various parts.