AC charging pile rear door plate connecting structure and AC charging pile

The invention relates to an alternating current charging pile rear door plate connecting structure which comprises an alternating current charging pile body frame, a cover plate and a base are arranged at the top and the bottom of the back face of the frame respectively, and the edges, facing the rear portion, of the two side plates of the frame, the lower side edge of the cover plate and the upper side edge of the base are all provided with turned-over edges bent towards the interior of the frame. A plurality of fixing columns are further arranged on the edge of the upper side of the base, a rear door plate is fixed to the outer side of the turned-over edge, a plurality of lock holes are formed in the rear door plate, locks are assembled in the lock holes, and assembling holes matched with the fixing columns in degree are formed in the bottom of the rear door plate. And the rear door plate can be fixed on the frame by respectively fixing the assembly hole and the lock with the fixed column and the turnup edg