Lubrication System of Power Assembly of Electric Scooter

A lubrication system of a power assembly of an electric scooter, wherein the power assembly includes a case, in which a driven gear bearing seat and a driving gear bearing seat are provided;

• a driven gear has a driven gear shaft and a driven gear bearing on the driven gear shaft, and a driving gear has a driving gear shaft and a driving gear bearing on the driving gear shaft;
• the driven gear is received in the driven gear bearing seat, and the driving gear is received in the driving gear bearing seat;
• and the driven gear meshes with the driving gear;
• the lubrication system comprising:
• a case duct provided in the case;
• a driven gear shaft duct having an axial section, a first bore, and a second bore in the driven gear shaft of the driven gear, wherein the axial section extends in an axial direction of the driven gear shaft while the first bore and the second bore extend in a radial direction of the driven gear shaft;
• both the first bore and the second bore are communicated with the axial section;
• the axial section is communicated with the case duct through the first bore and communicated with the driven gear bearing seat through the second bore;
• and
• a bearing seat duct provided in the case and having opposite ends connected to the driven gear bearing seat and the driving gear bearing seat respectively;
• wherein a lubricant flows through the case duct, the axial section of the driven gear shaft duct, the driven gear bearing seat, the gear bearing duct, and the driving gear bearing seat in sequence.