Transmission clutch device for leaking stoppage instrument

The utility model discloses a transmission clutch device for a leaking stoppage instrument, and relates to the technical field of leaking stoppage testing instruments. The reaction kettle comprises a kettle body and a driving motor, a kettle cover is arranged on the kettle body, a rotary sealing assembly is arranged on the kettle cover, and the driving motor is in transmission connection with a transmission shaft of the rotary sealing assembly through a clutch transmission assembly; the transmission clutch assembly is adopted to replace a magnetic force drive coupling, transmission power of the transmission clutch assembly can be separated and combined through the spline shaft and the manual knob, the transmission clutch assembly and the rotary sealing assembly are in separable connection, and connection and separation of the transmission clutch assembly and the rotary sealing assembly can be achieved through axial movement of the spline shaft. The upper operation space of the kettle cover is saved, and perso