Fixing device

The utility model provides a fixing device, including anchor clamps main part and regulation structure, the anchor clamps main part includes the base, goes up activity Board, and the base is in the same place through adjusting the structrual installation with last activity Board, adjusting the structure and including spring, adjusting screw, adjusting screw protective sheath, on the adjusting screw protective sheath was fixed in the base, on the spring was fixed in the base simultaneously and goes up activity Board, adjusting screw contacted or breaks away from with the spring, the utility model discloses a setting up the regulation structure, use adjusting the structure and drive and go up activity Board and fix the work piece, adjusting screw comes compression spring then makes the spring drive to go up activity Board, activity Board is gone up in promotions and the work piece contacts the tight work piece of clamp through rotating promptly to play the fixed action to the work piece,this kind of method is f