The utility model belongs to automobile parts, in particular to powered oil pump for double -clutch gearbox, oil pump external rotor (4) and oil pump inner rotor (8) are equipped with in the installation cavity of the casing of motor (1) respectively, oil pump inner rotor (8) dress is on motor output shaft (7), suit antifriction bearing (3) and skeleton oil blanket (2) are respectively gone up in motor output shaft (7), antifriction bearing (3) and skeleton oil blanket (2) are adorned in the casing of motor (1) respectively, the right -hand member head activity dress of motor output shaft (7) is in slide bearing (6), pump cover (5) are arranged in slide bearing (6), powered oil pump for double -clutch gearbox becomes the integral type structure with the motor with oily pump design, the use quantity of part has been reduced, powered oil pump's whole volume has been reduced, it is simple more compact to make the structure, it is more convenient to make the maintenance.