Louver canopy adopting a fastener-free quick-mounting structure

A louver canopy adopting a fastener-free, quick-mounting structure, the louver canopy comprising:

• a plurality of louver boards;
• a ring beam frame positioned around a periphery of the plurality of louver boards, wherein the ring beam frame comprises first ring beams and second ring beams, wherein the first ring beams are matched with the louver boards for mounting the louver boards, and wherein the second ring beams are configured to connect the first ring beams on two sides of the first ring beams, and wherein each of the first ring beams is provided with a plurality of open slots along a length of the each of the first ring beams;
• and
• rotating shafts fixedly arranged at two ends of each of the louver boards, wherein each of the rotating shafts is installed in a corresponding one of the open slots of a corresponding one of the first ring beams through a clamp sleeve assembly, such that the each of the louver boards is rotatably matched with corresponding open slots of the first ring beams and is disengageable from open ends of the corresponding open slots.