Butterfly valve and butterfly valve seat thereof

• Main Authors: LIU YUNFEI, LIN PENGWEI, PAN JIAOQIANG, YE PINGPING, ZHENG YINGPAI, WENG JINLEI
• Format: Patent
• Language: Chinese; English
• Published: 10.10.2023
• 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 invention relates to the technical field of valves, in particular to a butterfly valve and a butterfly valve seat thereof.The butterfly valve comprises a valve pipe, flanges are symmetrically welded to the two ends of the valve pipe, a supporting seat is arranged at the center of the top of the valve pipe, a mounting seat is arranged at the top of the supporting seat, and the same valve rod is vertically and rotatably inserted into the mounting seat and the supporting seat; the bottom end of the valve rod extends into the valve pipe, a butterfly plate is inserted into the inner wall of the valve pipe, a connecting assembly used for fixing the butterfly plate is arranged on the side, close to the valve rod, of the butterfly plate, a valve seat is arranged on the side, away from the valve rod, of the butterfly plate, and a driving assembly used for controlling the butterfly plate to rotate is arranged at the top of the valve rod. A sealing assembly for sealing the valve pipe is arranged at the intersection