Buffer of car telescopic type damper

The utility model discloses a part of car telescopic type damper, especially a buffer of car telescopic type damper, cup jointing the spacing metal base in the piston rod part to the piston sub -unit in including fixed, vulcanizing fixed cushion rubber ring on the surface at spacing metal base's unilateral, cushion rubber piece ring is stair structure, and step portion has cup jointed coil spring above that, and the outside of this coil spring's the other end is equipped with the 2nd cushion rubber ring, and the 2nd cushion rubber ring is stair structure equally, and step portion fills in and connects to above -mentioned coil spring's the port in it on. The utility model provides a technical problem of the shock attenuation effect of telescopic type damper " promote car " to promote the riding comfort of car effectively.