Sealing device used for bottom of civil air defense engineering double-leaf doorsill-free entrance and exit door

The invention discloses a sealing device used for the bottom of a civil air defense engineering double-leaf doorsill-free entrance and exit door. The sealing device is mounted on a civil air defense door, the civil air defense door comprises a door frame, a left door leaf and a right door leaf, and the sealing device comprises a left pressing sealing structure, a right pressing sealing structure,door leaf sealing structures and a door frame sealing structure. The door leaf sealing structures are arranged at the bottom of the left door leaf and the bottom of the right door leaf correspondingly, the door frame sealing structure is arranged at the bottom of the door frame, the left pressing sealing structure is arranged on the left door leaf, and the right pressing sealing structure is arranged on the right door leaf. According to the sealing device, the manner that a traditional double-leaf door is downwards sealed through ascending and descending of door leaves is changed into the manner that downward pressing