DOUBLE-FORCED SEAL BALL VALVE AND ROTARY CLUTCH OPERATING DEVICE

摘要

Disclosed is a double-forced seal ball valve. The double-forced seal ball valve comprises a valve ball (10), a valve rod (11) and a valve body (71). The double-forced seal ball valve is equipped with a closing sealed valve seat (20) and an opening sealed valve seat (30). The closing sealed valve seat is clasped with the valve ball at a closing position of the valve ball, and the opening sealed valve seat is clasped with the valve ball at an opening position of the valve ball. Also disclosed is a rotary clutch operating device. The rotary clutch operating device is equipped with a driving rotary disk (50) and a stroke positioning seat (60). A first through hole (51) is formed in the driving rotary disk, and a first locking body (52) is arranged in the first through hole. The valve ball is equipped with a recessed hole (13) corresponding to the first locking body at a circumferential position, and the stroke positioning seat is equipped with a surpassing groove (62) corresponding to the first locking body.