Ultrasonic scaler handle transducer fixing structure

The utility model discloses an ultrasonic scaler handle transducer fixing structure which comprises a handle shell and a transducer, and the handle shell comprises a first shell and a second shell; the first shell comprises a cavity used for containing the transducer, and a rotation stopping inserting groove is formed in the inner wall face of the cavity. The transducer is provided with a fixing sleeve matched with the cavity, and the fixing sleeve is provided with a protruding part matched with the rotation stopping inserting groove and used for preventing relative rotation between the transducer and the handle shell. And a sealing ring is arranged at the joint of the first shell and the second shell. The fixing sleeve is provided with a protruding part matched with the rotation stopping inserting groove, and the protruding part is used for preventing relative rotation between the transducer and the handle shell. The contact area of the fixing sleeve and the first shell is large, the rotation stopping struct