Rotary adjustable interactive hinge device

A rotary type adjustable interactive hinge device relates to the field of orthosis and comprises a center adjusting assembly, two sides of the center adjusting assembly are rotatably connected with a left swing arm and a right swing arm respectively, the center adjusting assembly comprises a center adjusting wheel, two sides of the center adjusting wheel are provided with a clockwise screw and an anticlockwise screw respectively, and the clockwise screw and the anticlockwise screw are connected with the left swing arm and the right swing arm respectively. The left swing arm is provided with a clockwise threaded hole matched with the clockwise screw, and the right swing arm is provided with an anticlockwise threaded hole matched with the anticlockwise screw. The left swing arm and the right swing arm are close to each other or far away from each other by rotating the center adjusting wheel, so that the distance between the two swing arms is changed, the distance difference is eliminated, and the defects in the