The invention provides an integrated brushless speed reduction type hub motor, and the motor comprises an inner stator which is provided with an axial through center hole; the outer rotor is sleeved outside the inner stator, a first shaft hole is formed in the center of the end part of the first end of the outer rotor, and the outer rotor can rotate around the axis of the outer rotor; the speed reducer comprises a sun gear shaft, a planetary gear and an inner gear ring, the first end of the sun gear shaft is fixed in the first shaft hole, the planetary gear is in meshing transmission with the inner gear ring and a sun gear on the sun gear shaft, and the inner gear ring, the sun gear and the planetary gear are all located in a center hole of the inner stator; the end faces of the two ends of the planetary gear and the sun gear are located on the inner sides of the end faces of the two ends of the inner stator respectively. The flange is located at the second end of the outer rotor, a planetary gear supporting shaft is arranged on the flange, and the planetary gear is arranged on the planetary gear supporting shaft; one end of the hub is provided with a concave part, the inner stator, the outer rotor, the speed reducer and the flange are located in the concave part of the hub, and the flange is fixedly connected with the hub. The hub motor is compact in structure and small in axial size.
本发明提供一种一体化无刷减速式轮毂电机,包括:内定子,其具有轴向贯通的中心孔;外转子,套置在内定子的外部,其第一端端部中心具有第一轴孔,外转子可绕其自身轴线旋转;减速器,包括太阳轮轴、行星齿轮及内齿圈,太阳轮轴的第一端固定在第一轴孔内,行星齿轮与内齿圈及太阳轮轴上的太阳轮啮合传动,内齿圈、太阳轮和行星齿轮均位于内定子的中心孔内,且行星齿轮和太阳轮的两端的端面分别位于内定子的两端的端面的内侧;法兰,位于外转子的第二端,法兰上设有行星齿轮支撑轴,行星齿轮设置在行星齿轮支撑轴上;轮毂,其一端具有凹部,内定子、外转子、减速器以及法兰位于轮毂的凹部内,法兰与轮毂固定连接。该轮毂电机结构紧凑、轴向尺寸小。
Integrated brushless speed reduction type hub motor
一体化无刷减速式轮毂电机
2023-01-06
Patent
Electronic Resource
Chinese