Rotary cylinder type compression device

The utility model relates to a rotary cylinder type compression device, belonging to the displacement compressor technical field, comprising a main axle, a fixation base, a cylinder and a piston, wherein a fixation axle protrudes from the middle of the fixation base and an eccentric axle hole is set on the fixation axle and the main axle is mounted in the eccentric axle hole and at least two sets of cylinders are fixed on the main axle and a follow-up eccentric follow-up sleeve is sleeved on the fixation axle and a piston is sleeved on the follow-up sleeves of each set of cylinders and the eccentric positions of the follow-up sleeves in each set of cylinders are different and the piston performs the straight-line motion in the cylinder along with the rotation of the cylinder and an air-in channel and an air-in valve of the cylinder are set on the piston or the cover of the cylinder and an air-out channel and an air-out valve of the cylinder are set on the cover of the cylinder and the air-out channel is commu