Abstract: A hanger has a support frame, an L-shaped rod, a clamp seat, a connection pipe, and a bracket. The support frame has a hollow post, a fork-shaped frame disposed on the hollow post, and a positioning seat disposed on the hollow post. The connection pipe has a rear end inserted in the clamp seat. The bracket has a tube and a U-shaped rod. A lower end of the L-shaped rod is inserted in the hollow post. A bolt fastens the clamp seat and the rear end of the connection pipe together. A front end of the connection pipe is inserted in the tube.