Dustproof keyboard

The utility model discloses a dustproof keyboard which comprises a keyboard body and a dustproof cover body, one end of the keyboard body is fixedly connected with a middle assembly, a plurality of rotating rings are fixedly arranged in the middle assembly, one end of each rotating ring is slidably connected with a movable structure, and the dustproof cover body comprises a first combined cover and a second combined cover. When the keyboard is not used, a user can turn over the dustproof cover body to cover the keyboard main body, so that the dustproof effect is achieved, when the keyboard is used, the user can turn over the dustproof cover body and disassemble the dustproof cover body, the dustproof cover body can be turned over, the dustproof cover body can be detached, and the dustproof cover body can be conveniently detached. When the keyboard is used, the second combined cover is detached, the hand supporting plate in the second combined cover is turned over, the second combined cover can be placed at th