Pin pulling type rotor fastening structure and stirrer rotor

The utility model relates to a pull pin type revolving cup fastening structure and a blender revolving cup, the fastening structure comprises a side clamping plate, the upper part of the side clamping plate is provided with a bayonet for a mounting seat on a revolving cup cover to be clamped in or out, and the upper end of the bayonet is in threaded insertion with a column head positioning rod; a containing cavity is formed in the lower portion of the side clamping plate, a limiting hole is formed in the top of the containing cavity, and the containing cavity is communicated with the bayonet through the limiting hole. Clamping grooves are formed in the side surfaces of the lower parts of the side clamping plates; a spring is arranged in the containing cavity, the elastic force direction of the spring is the vertical direction of the side clamping plate, and the top of the spring abuts against the locking pin. The locking pin is movably installed on the side clamping plate and comprises a plug pin and a deflec