Motor And Outer Magnetic Core And Inner Magnetic Core Thereof

A motor including a motor outer magnetic core and a motor inner magnetic core. The motor outer magnetic core includes an annular yoke and a plurality of teeth. Each tooth includes a tooth body and a pole shoe. The pole shoes of the plurality of teeth cooperatively define a discontinuous inner ring. The motor inner magnetic core is surrounded by the inner ring. The motor inner magnetic core includes a central portion and a plurality of pole portions surrounding an outer side of the central portion. Each of the pole portions and the central portion define a gap therebetween for receiving a permanent magnet. First connecting portions are connected between adjacent ones of the pole portions. Second connecting portions are connected between the first connecting portions and the central portion.