Mounting structure of motor shaft core

The utility model discloses a motor shaft core mounting structure which comprises a motor, an output shaft is rotatably mounted at the top of the motor, an operation block is fixedly mounted at the top of the output shaft, a square block is arranged above the operation block, a square groove is formed in the bottom of the square block, and clamping grooves are formed in the inner walls of the four sides of the square groove. The operating block is of a hollow structure, through holes are formed in the four sides of the operating block, a transverse rod is movably installed in any through hole, a connecting rod is rotationally installed at one end of any transverse rod, a clamping block is fixedly installed at the other end of any transverse rod, and four sliding rods are fixedly installed on the inner wall of the bottom of the operating block. The mounting structure of the motor shaft core is simple in structure and convenient to use, the motor shaft core is easy and convenient to mount and dismount, the moun