Patent ID: 9705376
Date: 2017-07-11
CPC Classifications: H02K

Claim:
1. A motor assembly, comprising: a first cap body, comprising a first bearing holder and a plurality of first positioning portions radially extended from the first bearing holder, a first bearing received in the first bearing holder; a second cap body, comprising a second bearing holder and a plurality of second positioning portions radially extended from the second bearing holder, a second bearing received in the second bearing holder; a rotor body, having a shaft passing through a center part thereof, two ends of the shaft sleeved in the first bearing and the second bearing respectively; a stator body, comprising a plurality of stator units aligned around an outer periphery of the rotor body and a plurality of coils winded on the stator units respectively, each stator unit having two feet and a connecting portion connecting to the two feet, each stator unit being formed as U-shaped, the stator units axially sandwiched between first positioning portions and second positioning portions; and a fixing mechanism, axially fixing the first cap body, the stator body and the second cap body; wherein a first blocker is axially extruded from each first positioning portion, so that each stator unit is confined in each corresponding two adjacent first blockers.