Split type motor

A split type motor, comprising an air channel and an armature module, wherein the armature module comprises a housing, and a stator assembly, a rotor assembly, and a printed circuit board (PCB) which are mounted in the housing;

• the cylindrical housing is provided with a mounting cavity inside;
• a gap communicated with the mounting cavity is arranged on the housing;
• the rotor assembly comprises a rotating shaft, a magnetic ring arranged on the rotating shaft, a first bearing arranged at an upper end of the rotating shaft, and a second bearing arranged at a lower end of the rotating shaft;
• correspondingly, the housing is provided with a first bearing chamber matched with the first bearing, and a second bearing chamber matched with the second bearing;
• an elastic component is arranged between the first bearing and the magnetic ring;
• the air channel comprises an inner ring and an outer ring concentrically arranged;
• the inner ring encloses and forms a circular through cavity matched with the housing;
• a ventilation cavity is formed between the inner ring and the outer ring;
• and several flow guide plates are arranged in the ventilation cavity.