Civil building design roof cornice waterproof flow guide device

The utility model discloses a civil building design roof cornice waterproof diversion device which comprises a mounting plate and a U-shaped groove, one side of the U-shaped groove is fixedly connected with one side of the mounting plate, fixing blocks are fixedly connected to the two sides of the inner wall of the U-shaped groove, sliding grooves are formed in the two fixing blocks, and the sliding grooves are communicated with the U-shaped groove. Sliding blocks are connected to the inner surfaces of the two sliding grooves in a sliding mode, and clamping grooves are formed in the opposite sides of the two sliding blocks. According to the waterproof flow guide device for the roof cornice in the civil building design, the fixed blocks are arranged on the inner walls of the U-shaped grooves and matched with the sliding blocks and the clamping grooves in the sliding grooves, the sliding rods in the vertical grooves are used, the sliding rods are pulled up to enable the sliding blocks tomove towards the interio