Cavity node structure of fabricated building frame

The utility model relates to the technical field of assembly type building frame auxiliary accessories, and particularly discloses an assembly type building frame cavity node structure which comprises a connecting frame, outer frames are fixedly connected to the two sides of the outer wall of the connecting frame, and a center block is fixedly connected to the center of the interior of the connecting frame. Containing boxes are fixedly connected to the two sides of the center block, limiting columns are fixedly connected to the periphery of the outer side wall of each containing box, a push plate is slidably connected to the side, away from the center block, of each containing box, fixing strips are fixedly connected to the two sides of each push plate, and clamping blocks are fixedly connected to the sides, close to the containing boxes, of the fixing strips. According to the scheme, the containing box, the polystyrene foam and the push plate are arranged on the building frame, when the wall plate is install