Automatic respirator for infectious disease patient

An automatic respirator for an infectious disease patient is provided with a closed sterilising tray, wherein the upper end of the sterilising tray is provided with a work box, the lower end of a purifier is provided with a respirator, the sterilising tray is internally provided with a disinfectant, the respirator is connected with an intake-tube extending out of the surface of the disinfectant, the top end of the intake-tube is provided with a check valve which only allows air to flow from the intake-tue to the respirator, an exit pipe bent to extend below the surface of the disinfectant is connected to the intake-tube at the lower side of the check valve, the respirator is provided with the purifier, the upper end of the sterilising tray is provided with a disinfectant injection opening, the work box is provided with a storage battery, an air bag and a motor with a vibration rod, one end of the vibration rod is arranged on the air bag, the work box is provided with an air change opening, after the motor wor