Surfacing eccentric rotary valve for petroleum drilling and production

• Main Author: ZHOU ZHAOJUN
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2023
• 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; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses a surfacing eccentric rotary valve for petroleum drilling, which relates to the technical field of petroleum drilling and comprises an eccentric rotary valve body, the eccentric rotary valve body comprises a through pipe, fixing components are mounted at two ends of the through pipe, and two ends of the eccentric rotary valve body are connected with connecting pipes through the fixing components. The fixing assembly comprises fixing rings, the fixing rings are fixedly installed at the two ends of the through pipe, rotating pieces are fixedly installed on one sides of the top faces of the fixing rings, and limiting clamping rings installed in the two rotating rings are clamped in positioning clamping grooves formed in the surface of the connecting disc; finally, fixing buckles fixedly installed at one ends of the two rotating rings are matched with positioning buckles to limit the fixing assembly, connection with a connecting pipe is completed through the fixing assemblies installed