Double-cylinder type shock absorber and vehicle

• Main Authors: ZOU YAN, ZHANG JIAN, WANG KUN, ZHAO ZHENGJIANG, WU ZONGLE
• Format: Patent
• Language: Chinese; English
• Published: 28.12.2021
• Subjects: BLASTING; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; LIGHTING; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; MOTOR VEHICLES; PERFORMING OPERATIONS; SHOCK-ABSORBERS; SPRINGS; THERMAL INSULATION IN GENERAL; TRAILERS; TRANSPORTING; VEHICLE SUSPENSION ARRANGEMENTS; VEHICLES IN GENERAL; WEAPONS

The invention relates to a double-cylinder type shock absorber. The double-cylinder type shock absorber comprises an outer cylinder, an inner cylinder and a transmission block, the inner cylinder is arranged in the outer cylinder, an oil storage cavity is formed between the outer side wall of the inner cylinder and the inner side of the outer cylinder, a piston rod is movably inserted into the inner cylinder, a piston is connected to the piston rod, and the lower side wall of the inner cylinder and the piston are each provided with at least two one-way valves with reverse circulation directions; the transmission block is arranged on the inner side wall of the inner cylinder and attached to the piston rod, and when the piston rod moves, the transmission block is in sliding connection with the piston rod; and the space between the transmission block and the upper side wall of the inner cylinder is a first space, the space between the transmission block and the piston is a second space, and the first space is in