一种集成轮毂电机

Abstract

本申请涉及一种集成轮毂电机，其包括中轴、集成壳体以及定转子组件；其中所述定转子组件包括定子和转子，其中所述定子与中轴固定连接，所述转子与集成壳体固定连接；所述集成壳体包括轮毂、第一端盖和第二端盖，其中所述第一端盖和第二端盖分别位于轮毂的两侧，轮毂、第一端盖和第二端盖共同围合构成内部空间，所述定转子组件安装在所述内部空间内。本申请集成轮毂电机将轮毂和电机集成为一体。

Claims

1. An integrated wheel motor, characterized by: Includes the central shaft, integrated housing, and stator and rotor assemblies; among which The stator and rotor assembly includes a stator and a rotor, wherein the stator is fixedly connected to the central shaft and the rotor is fixedly connected to the integrated housing; The integrated housing includes a hub, a first end cover, and a second end cover, wherein the first end cover and the second end cover are located on both sides of the hub, and the hub, the first end cover, and the second end cover together enclose an internal space, and the stator and rotor assembly is installed in the internal space.

2. The integrated wheel motor according to claim 1, characterized in that: The first end cap includes an integrally formed first connecting portion, an extension portion, a first inclined sealing portion, a flat sealing portion, a first bearing mounting portion, and a drum brake connecting portion; wherein, the first connecting portion is parallel to the radial plane, and one end face of the first connecting portion abuts against one end of the hub; one end of the extension portion is connected to the first connecting portion, and the other end is connected to the first inclined sealing portion; the extension portion is inclined relative to the axial plane; the flat sealing portion is connected to the end of the first inclined sealing portion away from the extension portion and is parallel to the radial plane; the first bearing mounting portion is located at the center of the first end cap, and the first end cap is rotatably connected to the central shaft through a bearing installed in the first bearing mounting portion; the drum brake connecting portion is located at the connection between the first inclined sealing portion and the flat sealing portion.

3. The integrated wheel motor of claim 2, wherein: The second end cap includes an integrally formed second connecting part, a second inclined closed part, a second bearing mounting part, and a threaded mounting part; the second connecting part is parallel to the radial surface, and one end face of the second connecting part abuts against one end of the hub; one end of the second connecting part is connected to the second inclined closed part; the second bearing mounting part is located at the center of the second end cap; the second end cap is rotatably connected to the central shaft through a bearing installed in the second bearing mounting part; the threaded mounting part is coaxially arranged with the second bearing mounting part, and its outer peripheral side is provided with connecting threads.

4. The integrated wheel motor of claim 3, wherein: The first connecting part has a plurality of first mounting holes; the second connecting part has a plurality of second mounting holes, and the projections of the first mounting holes and the second mounting holes on the radial plane do not overlap.

5. The integrated wheel motor of claim 1, wherein: The hub includes an integrally formed rotor portion and two rim portions; the two rim portions are arranged in opposite directions about the radial center plane of the rotor portion; the rim portions are sequentially provided with a first rim segment, a second rim segment, a third rim segment, a fourth rim segment, and a fifth rim segment; one end of the first rim segment is connected to the center of the outer circumference of the rotor portion, and the other end is connected to the second rim segment; the second rim segment is inclined relative to the axial plane, and its end away from the first rim segment is connected to the third rim segment; one end of the fourth rim segment is connected to the end of the third rim segment away from the second rim segment, and the other end is connected to the fifth rim segment; the fifth rim segment is an arc-shaped segment.

6. The integrated wheel motor of claim 5, wherein: The two rim portions are asymmetrically arranged, and a valve hole is provided on the second rim section of one of the rim portions.

7. The integrated wheel hub motor of claim 3, wherein: The first connecting part is further provided with a positioning part at one end facing the stator and rotor assembly. The positioning part protrudes from the surface of the first connecting part and abuts against the inner peripheral wall of the hub. One end of the second inclined closed part extends to abut against the inner peripheral side of the hub.

8. The integrated hub motor of claim 1, wherein: The stator includes a stator support and a coil. The stator support includes a sleeve portion, a tapered portion, and an iron core portion. The sleeve portion is fixedly sleeved on the central shaft. The tapered portion has a tapered surface, with its small diameter end fixedly connected to the outer periphery of the sleeve portion and its large diameter end fixedly connected to the end face of the iron core portion. The coil is wound on the iron core portion.

9. The integrated wheel hub motor of claim 8, wherein: The axial length of the sleeve portion is greater than the axial length of the iron core portion, and the two ends of the sleeve portion protrude from the two ends of the iron core portion, respectively.

10. The integrated hub motor of claim 2, wherein: The angle between the extension and the axial surface is smaller than the angle between the extension and the radial surface.

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