Metal wall hanging plate device of split wall-mounted air conditioner indoor unit

The utility model provides a split wall-mounted air conditioner indoor unit metal wall-mounted plate device which comprises a transverse plate and two vertical plates connected to the two ends of the transverse plate respectively, and is characterized in that supporting plates rotationally connected with the vertical plates are arranged on the vertical plates, and limiting structures used for limiting the supporting plates to turn over are arranged at the joints of the supporting plates and the vertical plates. The vertical plate is further provided with a plurality of limiting buckles. A first shaft sleeve is arranged at the end, connected with the vertical plate, of the supporting plate, first limiting blocks are arranged at one end or two ends of the first shaft sleeve, a second shaft sleeve corresponding to the first shaft sleeve is arranged on the vertical plate, and a bolt penetrates through the first shaft sleeve and the second shaft sleeve to achieve rotating connection of the supporting plate and the