Forward and reverse integrated control air door for mine laneway

The utility model discloses a positive and negative integrated control air door for a mine laneway, which relates to the technical field of air door equipment and comprises a door frame, a positive air door and a negative air door, two fixing seats are fixedly mounted on one side in the door frame, and a connecting seat B is movably mounted between the two fixing seats. The opposite sides of the forward air door and the reverse air door are each fixedly provided with two connecting bases A, and the forward air door and the reverse air door are movably installed on one sides of the connecting bases B through the connecting bases A on one sides and located in the door frame. The forward air door and the reverse air door are rotationally installed on one side of the connecting base B, the connecting base B is rotationally installed between the two fixing bases through the connecting base C, the forward air door and the reverse air door can be freely opened to the maximum angle in cooperation with the limiting bl