Water conservancy diversion baffle, oxidation catalysis ware and vehicle

The utility model discloses a water conservancy diversion baffle, oxidation catalysis ware and vehicle, the water conservancy diversion baffle is suitable for the entry end of installing at the oxidation catalysis ware, and includes: the plate body, the plate body inclines to air current circulation direction from the periphery to the center gradually, just the plate body is equipped with a plurality of air vents, and is a plurality of at least part in the air vent is located the radial different positions of plate body. The utility model discloses a water conservancy diversion baffle can promote the homogeneity that the air current passes through effectively, helps promoting the waste gas conversion efficiency in the oxidation catalysis ware, and simple structure, and the space that occupies is little. 本实用新型公开了种导流挡板、氧化催化器和车辆，所述导流挡板适于安装在氧化催化器的入口端，且包括：板体，所述板体从外周到中心逐渐向气流流通方向倾斜，且所述板体设有多个通气孔，多个所述通气孔中的至少部分位于所述板体径向的不同位置。本实用新型的导流挡板，可以有效地提升气流通过的均匀性，有助于提升氧化催化器内的废气转化效率，且结构简单，占用的空间小。