Steering gear safety valve with bypass valve function

• Main Authors: WANG CHUNHONG, ZHANG AHUA, ZHAO AIJUN, XIE JUN, SUN SONG
• Format: Patent
• Language: Chinese; English
• Published: 19.12.2023
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The steering gear safety valve with the bypass valve function comprises a valve body, a valve hole, a high-pressure oil way channel and a low-pressure oil way channel are arranged in the valve body, the high-pressure oil way channel and the low-pressure oil way channel are both communicated with the valve hole, an upper sealing chamfer is arranged at the top of the valve hole, and a lower sealing chamfer is arranged at the bottom of the valve hole. A valve hole inner thread is arranged in the middle of the valve hole, a lower sealing chamfer is arranged on the lower portion of the valve hole, a detachable plug screw and a sealing ring are arranged in the valve hole, the sealing ring is matched with the upper sealing chamfer, and a detachable valve element is arranged in the valve hole. According to the steering gear safety valve with the bypass valve function, on the basis that the appearance of a steering gear is not changed, the double functions of the safety valve and the bypass valve are achieved through