Piston of single-cylinder shock absorber

The utility model belongs to the technical field of shock absorber pistons, and particularly relates to a single-cylinder shock absorber piston which comprises a top connecting disc and a movable base, an upper limiting piece is arranged below the top connecting disc, a welding ball is arranged on the outer side of the upper limiting piece, a thick-core spring is fixedly connected below the welding ball, a telescopic cylinder is arranged on the inner side of the thick-core spring, and a piston rod is arranged on the telescopic cylinder. A telescopic cylinder is arranged below the movable base, a lower limiting piece is arranged below the telescopic cylinder, a clamping piece is arranged below the telescopic cylinder, a first nut is movably connected to the outer side of the clamping piece, and the movable base is arranged below the clamping piece; according to the utility model, the movable joint head is arranged on one side of the movable base, so that the movable rod is arranged on the outer side of the mov