Transfusion flow regulator

The utility model relates to a transfusion flow regulator which comprises a frame body and a regulating wheel. The regulating wheel is installed in an internal groove of the frame body in a sliding mode. The frame body consists of two side walls and a base wall. The transfusion flow regulator is characterized by further comprising an upper cover which can be covered above the regulating wheel. The upper cover is connected with the frame body in a detachable mode. A locking structure is arranged between the upper cover and the frame body. According to the upper cover and the locking structure arranged between the upper cover and the frame body, fluid dripping speed which is adjusted by the medical staff is guaranteed, the regulating wheel is covered and locked below the upper cover, and therefore the regulating wheel is prevented from being adjusted voluntarily by patients or family memebers. Medicine and diseases which require strict controls of the dripping speed are eliminated. Bad reactions and unpredictab