Holid pneumatic hydraulic shock absorber

A hydraulic shock absorber is used for a buffer stop of a car, which comprises a bottom plate and a top pressure welding cylinder, A piston cylinder is connected with the upper end of the piston cylinder, and the upper end of the piston cylinder is connected with the end cap through a pressure cylinder, and a buffer board is arranged on the upper end of the end cylinder, an O-ring is arranged between the cylinder and the piston cylinder, A spring seat card is arranged on the upper part of the adjusting rod, a compression spring is arranged between the end cover and the spring seat, the interval between the spring seat and the piston is set, and the outer surface of the piston cylinder is arranged on the outer surface of the piston cylinder A first ring groove is arranged along the circumference in the middle part, and a steel ring is installed in the first ring groove, and the upper surface of the wire ring is against the lower surface of the cylinder sleeve. The Holid pneumatic shock absorber has the advantages of simple structure, easy processing and installation, and reduces production cost and time limit.