Fixator with adjusting structure

The utility model discloses a fixator with an adjusting structure, which comprises a main plate and a plurality of lifting plates arranged on the outer wall of the top of the main plate, a plurality of first clamping plates distributed at equal intervals are arranged on the outer walls of the two sides of the top of the main plate, and second clamping plates are arranged on the outer walls of the two sides of the lifting plates. A first swing plate and a second swing plate are rotationally connected to the front portions of the inner walls of the opposite ends of the first clamping plate and the second clamping plate through bearings correspondingly, the first swing plate and the second swing plate are hinged to each other, and a plurality of first fixing holes and second fixing holes are formed in the outer walls of the two sides of the top of the main plate correspondingly. The head and the tail of a mouse can be clamped through the first limiting mechanism and the second limiting mechanism respectively, th