Simple artificial mechanical respirator

The utility model provides a simple artificial mechanical respirator which belongs to the technical field of medical appliance; the structure comprises an air inlet pipe, a breathing bag, an air outlet pipe and a respiratory; one side of the air inlet pipe is provided with an oxygen tube; the air inlet pipe is provided with a one-way aspiratory valve; the air inlet pipe is connected with one end of the breathing bag; the other end of the breathing bag is connected with a three-way pipe; the three-way pipe is provided with a duplex valve; one end of the duplex valve is connected with the breathing bag, and the other end is connected with the air outlet pipe; the air outlet pipe is provided with a one-way expiratory valve; and the three-way pipe is connected with a respiratory. The breathing bag is an elastic breathing bag consisting of an inner layer and an outer layer; the inner layer is a foam plastic layer, and the outer layer is a latex layer. The simple artificial mechanical respirator has simple structur