Automobile engine valve chamber cover

The utility model discloses an automobile engine valve chamber cover, including the casing, the casing has the recess, is equipped with a plurality of fire hole in the recess, is equipped with in one side of recess and encloses the first isolated groove that by the bounding wall, and the position that first isolated groove outer wall corresponds the ignition hole is equipped with the recess of stepping down, is equipped with between two fire holes in the recess to enclose the isolated groove of the second that by the bounding wall, and the isolated groove of second outer wall corresponds two adjacent fire holes and establishes two recess wall that step down respectively, is equipped with the connecting hole of a plurality of annular range on the terminal surface in first isolated groove and the isolated groove of second. So just, the position that has reached the camshaft drive that occupies automobile engine valve chamber cover and variable lift mechanism goes on effectively isolatedly to make the mesh of th