External fixing frame for arm supporting

The utility model relates to an external fixing frame for supporting arms, which comprises a first supporting rod, a movable groove is arranged at the top of the first supporting rod, a second supporting rod is inserted into the movable groove, a length adjusting component is arranged on the outer surface of the first supporting rod, and a contact plate is fixedly mounted at the lower end of the first supporting rod. Three sets of first fixing belts are fixedly installed at one end of the contact plate, hook-and-loop fastener faces A are arranged on the outer surfaces of the ends of the three sets of first fixing belts, hook-and-loop fastener faces B are arranged on the outer surfaces of the three sets of first fixing belts, three sets of second fixing belts are fixedly installed at the other end of the contact plate, and penetrating holes are formed in the right ends of the three sets of second fixing belts. And the three groups of first fixing belts penetrate through the three groups of through holes. When