Insuline pump

The utility model provides an insulin pump. The main part is that: firstly, speed reducing framework is composed of five speed reducing gears and two balance gears to make each speed reducing gear bears the equal pressure, wherein the fifth gear has inside hexagon groove; secondly, pushed framework forms a central pushed structure by pushing nut and pushing screw pole, the pushed screw rod head is a hexagon, in this way, make the pump reach the extractive and active effect when start on stop. The utility model reflects sensitively, pushes equally and accurately, provides a good insulin injection device for diabetics.