Ceiling component capable of being repeatedly used

The utility model discloses a reusable suspended ceiling component, and relates to the field of building decoration. A reusable suspended ceiling component comprises a mounting sleeve rod, protrusions are arranged on the surface of the mounting sleeve rod, a threaded hanging rod is arranged on the mounting sleeve rod, the end, not away from the mounting sleeve rod, of the threaded hanging rod is in threaded connection with a threaded sleeve, and the end, not making contact with the threaded hanging rod, of the threaded sleeve is rotationally connected with a keel fixing block. A dismounting and mounting structure is arranged on the mounting sleeve rod, and a cross-shaped rotating handle is fixedly connected to the threaded hanging rod in a sleeving mode. According to the reusable suspended ceiling component, a mounting sleeve rod and a wall top are fixed, and after use, a threaded hanging rod only needs to be rotated reversely to drive a second bevel gear and a first bevel gear to rotate reversely, so that a