Single cylinder bumper shock absorber

The utility model discloses a single cylinder bumper shock absorber, include cylinder body and the piston assembly that sets up at the cylinder body internalization, its characterized in that: damper oil is filled to the inner chamber of cylinder body, and the inner chamber bottom of cylinder body is equipped with the gasbag, and the gasbag is personally experienced sth. Part of the body for sealed the aerifing of the independence that freely sets up, the piston assembly includes piston and piston rod, and hinge joint is on the axostylus axostyle of the bottom of piston rod, and the up end of piston is from up being equipped with compression valve valve block, compression valve adjusting shim and limiting plate down in proper order, and on the limiting plate up end supported and leans on the shaft shoulder of piston rod bottom axostylus axostyle, the lower terminal surface of piston restored the valve valve block, restored valve adjusting shim, restored the valve, restored tight gasket of the block of valve and lock nut from last down being equipped with in proper order, and the tail end of piston rod bottom axostylus axostyle is equipped with the riveting hole and rivets tightly lock nut fixed. The utility model discloses simple structure, convenient assembling, the damping force is adjustable, the operational reliability is strong, does not have the air cavity oil leak condition and takes place, can improve single cylinder bumper shock absorber's quality and life.