Threaded connection type novel power adapter

The utility model relates to a novel screw joint type power adapter, which comprises an upper shell, the top of the upper shell is provided with power pins, the bottom of the upper shell is provided with two rectangular grooves, and nut grooves and a plurality of jacks are arranged in the rectangular grooves; the wiring terminal comprises a screw, a nut, a gasket and a polar piece, the nut is arranged in the nut groove, the polar piece and the gasket are sequentially arranged on the nut, and after fixing pins of the polar piece penetrate through the corresponding jacks, the tail ends of the fixing pins are bent and buckle the lower surface of the nut groove; the screw sequentially penetrates through the gasket and the polar piece and then is detachably connected with the nut. According to the utility model, the two rectangular grooves are arranged on the upper shell, the nut grooves and the jacks are arranged in the rectangular grooves, the fixed pins of the polar sheets pass through the jacks and then buckle