Micro-motor driving device of pump for fluid infusion and blood transfusion

The utility model discloses a micro-motor driving device of a pump for fluid infusion and blood transfusion. The micro-motor driving device of the pump for fluid infusion and blood transfusion comprises a speed-reducing micro-motor, an oscillating extrusion mechanism, an eccentric wheel, a radial bearing and a fixed plate. The speed-reducing micro-motor is connected with the eccentric wheel through a motor shaft, the eccentric wheel is connected with the oscillating extrusion mechanism through the radial bearing, the end of the motor shaft is mounted in a front support through a first bearing, and the middle of the fixed plate projects upwards to form a projecting hollow cavity. The oscillating extrusion mechanism comprises a stirring fork, an extrusion frame and a coupling shaft, the upper portion of the shifting fork extends into the projecting hollow cavity in the middle of the fixed plate to be fixedly connected with the coupling shaft, the lower portion of the shifting fork is provided with a U-shaped no