Buffer of shock absorber

The utility model discloses a buffer of shock absorber, including the buffer block of suit on the damper cylinder piston rod, the cover is equipped with the elasticity spacing ring on the external diameter of buffer block, the elastic deformation volume of buffer block is greater than the elastic deformation volume of elasticity spacing ring, the surface of buffer block is followed the buffer block axis direction is the unsmooth setting of wave, the elasticity spacing ring is located in one of them concave surface that the wave is unsmooth in setting up, the elasticity spacing ring is located the middle part of buffer block, the inner wall of buffer block is followed the axis direction interval of buffer block is provided with a plurality of annular grooves. The utility model discloses simple structure can reduce the injury to the buffer block under abominable road surface transport condition, improve its life, can also satisfy in time or provide in advance the rigidity requirement of corresponding carload demand, finally protects the suspension, has avoided suspension quilt " puncture " and the striking of production.