Direct-current brushless mute water pump rotor

The utility model belongs to the technical field of direct-current brushless mute water pumps, and discloses a direct-current brushless mute water pump rotor which is characterized in that an impeller is arranged at the front end of a rotor main body with an integrated structure, the rotor main body is provided with a front limiting block and a rear limiting block, a fixing column is arranged between the front limiting block and the rear limiting block, and a shaft hole is formed in the center of the rotor main body; the magnetic ring is integrally combined on the periphery of the fixing column, the two ends of the magnetic ring are limited through the front limiting block and the rear limiting block respectively, the magnetic ring and the impeller are highly concentric in assembly, shaking is avoided during operation, and the mute effect is good. The impeller is composed of a blade center block and a plurality of blades distributed on the peripheral wall of the blade center block, an impeller neck column is