Aluminium system car vortex fin

The utility model provides an aluminium system car vortex fin, includes the fin body, the fin body includes upper wing face, lower airfoil, the back both ends are connected in face of upper wing face,the bottom wing, the whole streamline structure who is front end downwarping, rear end kickup of upper wing face, be equipped with two sets of mounting grooves down on the airfoil, the average thickness at the fin middle part of fin body between the mounting groove is greater than the fin anterior average thickness of fin body at the mounting groove front end, the fin body is greater than the average thickness of fin body at the fin rear portion of mounting groove rear end at the anterior average thickness of the fin of mounting groove front end, the utility model has the advantages of intensity is high, easy to assemble and maintain, can make the driving more steady by effective control stream pressure. 种铝制汽车扰流尾翼，包括尾翼本体，所述尾翼本体包括上翼面、下翼面，所述上翼面、下翼面前后两端相连接，所述上翼面整体呈前端向下弯曲、后端向上弯曲的流线型结构，所述下翼面上设有两组安装槽，所述尾翼本体在安装槽之间的尾翼中部的