Diving breathing machine with external motor

The diving breathing machine comprises a shell, the shell comprises an upper cover and a lower shell, the upper cover and the lower shell are fixedly connected to form a cavity, a battery and a circuit board are arranged in the cavity, supporting columns are fixedly connected to the periphery of the lower end face of the lower shell, and a fixing plate is fixedly connected to the bottoms of the supporting columns. A motor is installed above the fixing plate and below the lower shell, the bottom of the lower shell is connected with a wire sleeve and a valve block in a sealed mode, the upper surface of the motor is fixedly connected with the valve block, a left fixing piece and a right fixing piece are installed on the left side and the right side of the motor, and the motor is fixedly installed on the fixing plate through the left fixing piece and the right fixing piece. And a sleeve is sleeved on the periphery of the rotor part of the motor. The motor can be completely soaked in water, automatic cooling is ac