Drainage vertical pipe combined hanging hole mold

The utility model relates to a drainage riser combined hanging hole mould, which belongs to the technical field of template engineering of constructional engineering and comprises a hanging hole flat plate (1), a hoop (2), a screw (3) and a nut (4), the hanging hole flat plate (1) consists of two L shapes with semicircular top surfaces; the flat plate surface of one half of the hanging hole flat plate (1) is propped against the hole opening of the vertical drainage pipe, the side surface of the half of the hanging hole flat plate (1) is clung to the vertical drainage pipe, the flat plate surface of the other half of the hanging hole flat plate (1) is propped against the hole opening of the vertical drainage pipe, the side surface of the other half of the hanging hole flat plate (1) is clung to the vertical drainage pipe, the hoop (2) penetrates through the screw (3) and is trisected around the side surface L of the hanging hole flat plate (1) to perform two hoop fixation, and the nut (4) is fastened on the sc