Structure for repairing hollowing of painting layer by using stainless steel cross-shaped sinking groove self-tapping rivet

The utility model discloses a stainless steel structure for repairing hollowing of a painting layer by using self-tapping rivets with cross-shaped sinking grooves. The structure mainly comprises an original wall body, an original mortar plaster layer and the self-tapping rivets with the cross-shaped sinking grooves, wherein the original mortar plaster layer and the self-tapping rivets are arranged on the original wall body; circle center overlapped holes are formed in the original wall body and the original mortar plaster layer, the circle center overlapped holes comprise a primary drill hole and a secondary drill hole which are coaxial and concentric, the primary drill hole penetrates through the original mortar plaster layer to reach the interior of the original wall body, and the secondary drill hole penetrates through the original mortar plaster layer to reach an orifice of the primary drill hole; after 801 glue cement paste is filled in the secondary drill hole, a hexagonal plastic fastening sleeve is ar