Blade-angle-adjustable full-immersion motor impeller built-in tubular pump

The invention relates to a blade-angle-adjustable full-immersion motor impeller built-in tubular pump, the tubular pump is characterized in that a front opening and a rear opening of a pump body are connected with a water inlet horn and a water outlet respectively, the interior of the pump body is coaxially connected with a hub through a guide vane, a pump shaft is connected into the hub in a penetrating mode, the pump shaft is sleeved with an impeller component, the impeller component comprises a shaft sleeve and blades, the shaft sleeve is connected to the pump shaft in a supporting and penetrating mode through a bearing, the inner ends of the plurality of blades are fixedly connected with the periphery of the shaft sleeve around the circumference, the outer ends of the blades are in interference fit with the inner wall of a connecting outer ring, the outer wall of the connecting outer ring is fixedly connected with a rotor of an annular structure through bolts, and a stator corresponding to the rotor is ar