Foldable overhead door

The utility model belongs to the overhead door field, concretely relates to foldable overhead door. This body is including left grudging post, right side grudging post and crossbeam, the both ends fixedly connected with of crossbeam is used for the flange of support roll axle, the one end of crossbeam is provided with drive roller bearing along its the central axis pivoted motor, the both ends cover of roller bearing is equipped with the drive pulley, two drive pulleys are close to the upper end of left grudging post and right grudging post respectively, the lower tip of left side grudging post and right grudging post do not is provided with to correspond and is provided with driven pulley, drive pulley and driven pulley pass through belt transmission and connect, from last to setting gradually independent roof door down between left side grudging post and the right grudging post, well door and bottom door, the roof door is fixed to be set up, bottom door and well door swing joint are between left grudging po