Opening cover structure, opening cover device and vehicle

The utility model discloses a covering cap structure, a covering cap device and a vehicle. The covering cap structure comprises a sliding structure, wherein the sliding structure comprises a first sliding rail, a second sliding rail and an inner cover plate; the first sliding rail and the second sliding rail are arranged on the two sides of the charging port respectively. The inner cover plate is slidably connected to the first sliding rail and the second sliding rail and can close or open the charging port. Wherein at least one end part of the first sliding rail is connected with a buffer block, and/or at least one end part of the second sliding rail is connected with a buffer block, the inner cover plate is blocked by the buffer block when sliding to the end part, and the buffer block is made of a soft material. The buffering blocks are arranged at the ends of the sliding rails, so that impact between the inner cover plate and the sliding rails can be relieved, mechanism noise is effectively eliminated, the