Motor sealing device

A motor sealing device provided by the present invention comprises a sleeve which is integrally formed or formed in a combined mode, wherein the sleeve and a base are arranged outside a motor in a sleeving manner, so that the motor can be integrally sealed; an output shaft of the motor extends out of one end of the sleeve, and the base is arranged at the other end of the sleeve; sealing mechanisms which are respectively arranged among the sleeve, the motor and the base, and are used for sealing the two ends of the motor; and a positioning mechanism which is used for positioning the motor in the axial direction and the circumferential direction. The invention also provides a surgical operating instrument, and the motor sealing device provided by the invention can improve the sealing performance of the motor, and can meet the requirements for repeated cleaning, disinfection and sterilization of a reusable instrument. 本发明提供一种电机密封装置，其包括：套筒，为一体成型或组合成型，和底座一起套于电机的外部，对电机进行整体密封；电机出轴伸出所述套筒的一端，所述底座设于所述套筒的另一端；密封机构，分别设于所述