Anti-misassembly and anti-rotation structure for electric bicycle

An anti-misassembly and anti-rotation structure for an electric bicycle, comprising:

• a hub motor having a through hole and a side cover plate;
• an anti-misassembly and anti-rotation component including a first adapter fixed to the side cover plate of the hub motor and including a first base, a first annular portion protruding from the first base and having a first inclined surface, and a first shaft hole passing through the first base and the first annular portion, and a second adapter including a second base, a second annular portion protruding from the second base and having a second inclined surface and a stopper flange surrounding the second inclined surface, and a second shaft hole passing through the second base and the second annular portion, wherein the first inclined surface is abutted against the second inclined surface, and an outer periphery of the first annular portion is abutted against an inner periphery of the stopper flange of the second base;
• and
• a rear fork component including two mounting portions and a through shaft inserted into the through hole of the hub motor, the first shaft hole of the first adapter, and the second shaft hole of the second adapter, wherein one of the mounting portions is assembled to one end of the through shaft, and the other of the mounting portions is assembled to the second annular portion of the second adapter.