Quick connecting buckle

The utility model relates to a quick connecting buckle which is characterized by comprising a first half ring buckle and a second half ring buckle, wherein openings of the first half ring buckle and the second half ring buckle are opposite; two ends of the first half ring buckle are provided with U-shaped card slots or flat connecting heads, and two ends of the second half ring buckle are provided with flat connecting heads or U-shaped card slots; the two ends of the first half ring buckle are in matched connection with the two ends of the second half ring buckle through the flat connecting heads and the U-shaped card slots, and threaded through holes are formed in the connecting positions of the flat connecting heads and the U-shaped card slots; the two ends of the first half ring buckle and the two ends of the second half ring buckle are connected into a complete ring buckle through bolts arranged in the threaded through holes. The quick connecting buckle has the advantages of simple structure, convenience