Pneumatic controlled lifting valve

• Main Authors: KE SHOUQIAN, YANG GANG, KE YOUMIN, PU HAIQUAN
• Format: Patent
• Language: Chinese; English
• Published: 19.08.2009
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model relates to an air controlled lifting valve for an automobile adopting compressed gas to control hydraulic oil to lift a compartment. The air controlled lifting valve comprises a valve body and is characterized in that a first oil channel, a second oil channel, a third oil channel, a first air chamber, a second air chamber, a first oil channel valve port, a second oil channel valve port, a third oil channel valve port, a fourth oil channel valve port, a piston shaft, a first one-way plug, a first one-way plug reset spring, a second one-way plug and a second one-way plug reset spring, wherein a first oil channel opening, a second oil channel opening, a third oil channel opening, a first air channel opening and a second air channel opening are arranged on the valve body; a first pneumatic piston is fixedly connected with one end of the piston shaft; a second pneumatic piston is fixedly connected with the other end of the piston shaft; the first pneumatic piston is provided with a first pneumati