ECU (Electronic Control Unit) rear-mounted structure

The utility model discloses an ECU rear structure which comprises an ECU controller and a main board, the main board is provided with the ECU controller, the top and the bottom of the main board are respectively provided with an extension board, the top face of the extension board on the top of the main board is provided with a connecting block, the left end face of the main board is provided with an air cylinder body fixing board, and the right end face of the main board and the right end face of the extension board on the bottom of the main board are respectively provided with a supporting protruding block. Arc-shaped supporting strips are arranged on the rear end faces of the two supporting protruding blocks, a through hole is formed in the main plate, an elastic ejecting piece is arranged in the through hole, and the elastic ejecting piece is composed of a first arc-shaped piece, a connecting piece, a second arc-shaped piece and a rotating protruding block. The device can be adaptively adjusted to the hig