Ultrasonic motor for dental scaler

An ultrasonic motor for a dental scaler, comprising a housing (1), a stator (2), and a rotor (3), the stator (2) being fixed on an inner wall of the housing (1), and the rotor (3) being rotatably connected to an inner wall of the stator (2), wherein a motor drive range adjusting mechanism is fixedly mounted at one end of the rotor (3);

• the motor drive range adjusting mechanism comprises a transmission shaft (4) fixedly disposed at one end of the rotor (3), and a polarization shaft (5) is fixedly connected to one end of the transmission shaft (4), one side of the polarization shaft (5) is provided with a miniature electric cylinder (6), a connecting block (7) is fixedly connected to an output end of the miniature electric cylinder (6), and a concave block (8) is fixedly connected to one side of the connecting block (7);
• two connecting shafts (9) are fixedly connected to an inner wall of the concave block (8), a socket rod (10) is rotatably connected to an outer wall of each of the connecting shafts (9), a pull shaft (11) is rotatably connected at a position that is on an inner wall of the socket rod (10) and that is away from the connecting shaft (9), and a hinge block (12) is fixedly connected to one end of the pull shaft (11);
• a socket block (13) is fixedly connected to one side of the hinge block (12), a limit strip (14) is fixedly mounted at one end of the socket block (13), and an inner limit ring (15) is fixedly mounted at one end of the miniature electric cylinder (6);
• an inner wall of the inner limit ring (15) is provided with a sealed vibration limit mechanism;
• and
• a sensing calibration mechanism is mounted on one side of the socket block (13).