High-sealing-performance valve plate for oil drilling and production

• Main Author: ZHOU ZHAOJUN
• Format: Patent
• Language: Chinese; English
• Published: 25.10.2022
• 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; LUBRICATING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The invention relates to the technical field of high-sealing-performance valve plates, and discloses a high-sealing-performance valve plate for petroleum drilling and production, the high-sealing-performance valve plate comprises a valve body and a using device, the using device comprises a valve rod, a hand wheel, a clamping block, a fixed column, a clamping rod, a movable column, an abutting spring, a pulley, a bearing, an oblique flow block, a sealing rubber strip, a first sealing limiting plate and a second sealing limiting plate. By arranging the oil injection cavity block, the bearing, the sealing ring, the liquid leakage prevention filling cotton and the oblique flow block, the oil injection port is formed in the front face of the oil injection cavity block, oil can be injected into the bearing conveniently, the bearing is lubricated, the sealing effect is achieved by using the sealing ring, the leakage prevention effect is achieved by arranging the liquid leakage prevention filling cotton, and the obl