Disposable autonomous mechanical respirator

The utility model discloses a disposable autonomous mechanical respirator which comprises a pressure air block, side installation blocks are fixedly installed on the two sides of the pressure air block, side connecting blocks are fixedly installed on the two sides of the side installation blocks, and belt penetrating grooves are formed in the side connecting blocks in a penetrating mode. And main mounting blocks are fixedly mounted at the two ends of the side mounting block, a first communication connector is mounted at the top of the pressure air block in a penetrating mode, and a guide pipe support is mounted on one side of the first communication connector in a penetrating mode and is made of a plastic material. The side connecting blocks are fixedly mounted on the two sides of the side mounting block, the pressure air block can be adjusted and mounted through the side connecting blocks and the main mounting block, and then an elastic band movably penetrates through the interior of a band penetrating groov