Novel totally-enclosed rotor

The novel totally-closed rotor comprises a shell with an opening in the right side end and a shell cover clamped and fixed to the shell, a sealing lantern ring is arranged at the joint of the shell and the shell cover, and a motor stator, the shell cover, a rotating shaft, an iron core, a plurality of windings, a mounting hole and a sealing module are further arranged on the inner side wall of the shell. The sealing module comprises a sealing cylinder which is fixedly connected with the inner side wall of the mounting hole in a threaded mode, a sealing ring which is fixedly connected with the rotating shaft in a sleeving mode is arranged on the inner side wall of the sealing cylinder, and a twisting nut is further arranged at the outer side end of the sealing cylinder. According to the novel totally-closed rotor provided by the invention, the basic requirement of sealing protection on the motor rotor can be met, and the sealing structure can be quickly and conveniently replaced when the sealing structure at t