Handheld electric liquid medicine dispensing device

The utility model relates to equipment used for clinical dispensed liquid medicine injection in medicine, and in particular to an electric liquid dispensing device, belonging to the field of medical instruments. A hand-held electric liquid dispensing device is mainly composed of a casing, a motor, a sliding block, a screw rod, a guide rail, a control circuit, a power supply and a dispensed liquid medicine injector bracket, and is characterized in that the minimum distance between a clamping position on the dispensed liquid medicine injector bracket and a hand pressing groove on the sliding block can be adjusted, the bracket body of the dispensed liquid medicine injector bracket is deformable or movable, and the bracket body can block a dispensed liquid medicine injector from breaking away from the dispensed liquid medicine injector bracket. According to the utility model, the minimum distance between the clamping position on the dispensed liquid medicine injector bracket and the hand pressing groove on the sliding groove can be adjusted so that dispensed liquid medicine injectors of the same type made by different manufacturers can be used in the handheld electric liquid dispensing device; and no cover is needed to clamp the dispensed liquid medicine injector so that the handheld electric liquid dispensing device has the beneficial effects of being applicable to ordinary dispensed liquid medicine injectors, low in cost, convenient to operate, small in volume, and the like.