Hinge connection mechanism of refrigerator door or electronic wine cabinet door

The utility model discloses a hinge connection mechanism of a refrigerator door or an electronic wine cabinet door. The mechanism comprises a right-angled door corner fastener, a metal stopper and a hinge plate, wherein horizontal guide slots are arranged at the crossing position of the two right-angled sides of the door corner fastener, and one end of each horizontal guide slot is opening; the horizontal guide slots are arranged on the surface and the side end face of the door corner fastener; a sunken hole and a clamping slot that is vertical to the surface are embedded on the surface of the door corner fastener at the horizontal guide slots; the metal stopper comprises a facing member and a clamping member; the facing member and the clamping member are respectively provided with guide limiting slots; the facing member is adhered to the sunken hole; the clamping member is inserted into the clamping slot; on the facing member, the guide limiting slots are coincided with the horizontal guide slots; the guide