USB (Universal Serial Bus) covering cap with protection structure

The utility model relates to the technical field of USB connection, and provides a USB port cover with a protection structure, which comprises a top cover mechanism, a mounting mechanism, an indicating mechanism and a buffer mechanism, the inner wall of the side surface of the mounting mechanism is movably connected with the side surface of the top cover mechanism, the bottom end of the indicating mechanism is fixedly connected with the inner wall of the bottom end of the mounting mechanism, and the buffer mechanism is fixedly connected with the indicating mechanism. The bottom end of the buffer mechanism is fixedly connected with the inner wall of the bottom end of the mounting mechanism, the mounting mechanism comprises a base, a mounting groove is formed in the top end of the base, a USB interface is fixedly connected to the bottom end of the mounting groove, the top cover mechanism comprises a top cover body, and the side face of the top cover body is movably connected with the side face of the mounting g