Power chamber of electric automobile

The utility model discloses a power chamber of an electric automobile, which comprises a base for putting a battery box, wherein at least one side of the front end of the base is fixedly provided with a lock box which is in locking fitting with a lock on the battery box so as to fix the battery box in the power chamber, a lock hole is arranged on the lock box, a rail bracket which extends along the direction in which the battery box is pulled in and pushed out of the power chamber is arranged on the base, and a plurality of bearing wheels of which the rotating axes are perpendicular with the extending direction of the rail bracket are sequentially arranged on the rail bracket; the rear end of the base is provided with a retaining plate, an electric connector which is electrically connected with the battery box is arranged at the front side of the retaining plate, a sliding guide pole assembly which is in guide fitting with a corresponding guide part on the battery box is also arranged at the front side of the retaining plate, the sliding guide pole assembly comprises a fixed plate fixed on the retaining plate, a sliding guide pole is arranged on the fixed plate, and a flexible component for flexibly buffering impact bore by the sliding guide pole is arranged between the fixed plate and the sliding guide pole.