Flow guide structure for house building engineering

The utility model belongs to the technical field of constructional engineering, and particularly relates to a diversion structure for house constructional engineering, which comprises a house main body, a diversion trench is connected to the side surface of the house main body, a sewer pipe is connected to the lower end of the diversion trench, and a protective motor is arranged on one side of the diversion trench. Through the arrangement of the scraping plate, the filter screen, the connecting sleeve, the connecting rod, the movable sleeve, the guide rod, a driving wheel, a protective motor, a collecting groove, a clamping groove, a triangular block, a compression spring and a movable block, a rainwater filtering structure is additionally arranged in the improved flow guide structure; a scraping plate can clean impurities on the surface of a filter screen, the situation that rainwater passes through a sewer pipe and blocks the sewer pipe is prevented, the use effect of the flow guide structure is improved, m