Improve miniature electromagnetic pump of flow precision

The utility model discloses an improve miniature electromagnetic pump of flow precision, include: a pump body, the both ends of the pump body are provided with an inlet tube and an outlet pipe, in the inside valve pocket that forms of the pump body, valve pocket and inlet tube and outlet pipe intercommunication, there is the solenoid module in pump body externally mounted, installs magnetic core plunger subassembly in the valve pocket, the valve pocket in be provided with a spacing post between inlet tube and magnetic core plunger subassembly, this spacing post restricts the stroke of magnetic core plunger subassembly in the valve pocket. The utility model discloses at the internally mounted of the pump body a spacing post, restricted the stroke of iron core through this spacing post, reduced the flow of the pump body, also improved the accuracy of flow simultaneously, be applicable to the device that needs accurate flow.