Novel building externally-hung curtain wall water dripping structure

The utility model discloses a novel building external hanging curtain wall water dripping structure which comprises a vertical plate and a top plate which are arranged on the outer side of a curtain wall keel, the outer side of the top plate and the bottom face of the vertical plate are perpendicularly connected in a gluing mode through an inclined face structure, and a gap between the inner side of the top plate and a window frame structure on the inner side is filled with sealant. The upper surface of the top plate makes contact with a horizontal curtain wall keel and is fixed to the lower portion of the horizontal curtain wall keel, and the space, formed among the horizontal curtain wall keel, the window frame structure and the building outer wall, above the sealant is filled with foaming polyurethane materials. The structure can adapt to different types of fragile decorative curtain walls, is attractive in appearance and simple in manufacturing method, basically has no damage to the curtain wall plate str