Infusion speed regulating and controlling device

The utility model relates to an infusion speed regulating and controlling device, mainly comprising an eccentric wheel provided with a handle and a base. The base is provided with a shaft hole, and a shaft of the eccentric wheel provided with the handle is aligned to the shaft hole of the base and is arranged on the base. The bottom part of the base is provided with an infusion tube contacted with the eccentric wheel provided with the handle, and the eccentric wheel can rotate on the wheel shaft. When the infusion is conducted, according to concrete needs, the eccentric wheel provided with the handle can move in a semi-circumference along the wheel shaft and a proper flow speed can be adjusted fine. The utility model has the advantages of simple structure and good fine-adjustment effects.