Disinfectant spraying mechanism

The utility model discloses a disinfectant spraying mechanism which comprises a disinfection cart, a disinfection powder cavity, a disinfectant cavity and a motor cavity are sequentially arranged in the disinfection cart from top to bottom in an extending mode, the disinfection powder cavity is connected with a discharging pipe extending into the disinfectant cavity through a material suction air pump, and an electric push rod is arranged on one side of the disinfection powder cavity. A supporting connecting rod is hinged to the upper end of the electric push rod, the other end of the supporting connecting rod is hinged to the upper surface of the disinfection cart, a spraying pipe is supported on the supporting connecting rod, and a pipeline communicated with the spraying pipe is arranged in the disinfectant cavity; a heat insulation layer is fixedly mounted in the shell of the disinfection cart, and a heating plate is fixedly mounted on one side, close to the disinfectant cavity, of the heat insulation laye