Automobile electronic detection connecting device with large storage space

The utility model discloses an automobile electronic detection connecting device with a large storage space, which comprises a case, a chassis is arranged on the bottom side of the case, and the uppersurface of the chassis is connected with the case through a return rotating shaft; a circular ring handle is arranged on the outer side of the top end of the case, and a first annular storage grid, asecond annular storage grid and a third annular storage grid are sequentially arranged in the case below the circular ring handle; the outer sides of the first annular storage grid, the second annular storage grid and the third annular storage grid are annularly covered by dustproof cloth; one end of the dustproof cloth on the outer sides of the first annular storage grid, the second annular storage grid and the third annular storage grid is fixed on a limiting baffle, and the limiting baffle is vertically arranged along the outer side of the case; and the other end of the dustproof cloth isfixed on the locking rod. T