Compact reinforced type main blade for automobile radiator

The invention discloses a compact reinforced type main blade for an automobile radiator. The compact reinforced type main blade comprises a radiator main blade body, flat pipe holes, reinforcing ribs, sealing grooves, and undercut holes as well as extension walls, which are matched with a water chamber body, on the outer walls of the sealing grooves, wherein the reinforcing ribs are transversely arranged in the width direction of the radiator main blade body, the pipe holes are arranged between the reinforcing ribs in parallel, the flat pipe holes are used for placing radiating pipes, the sealing grooves are annularly arranged at the edge parts of the radiator main blade body and directly connected with the reinforcing ribs, the water chamber body is arranged at the lower part of the radiator main blade body, and seal pads are arranged at the parts that the radiator main blade body is in contact with the water chamber body. Through the unique design of the reinforcing ribs and the sealing grooves of the whole device, the service life of the radiator is increased, spatial layout is optimized, and cost is reduced. The design can be used for various types of vehicles, such as cars and minicars, and is wide in application range.