Connecting buckle end fitting

A connecting buckle end fitting, comprising:

• a connecting body, wherein the connecting body sequentially comprises an interconnected connecting section, an insertion section, and an insertion needle from one end to another end, the connecting section is used to connect with a buckle, the insertion section is provided with a first insertion hole, and an end of the insertion needle away from the insertion section has an outer convex ring outwardly extending along a radial direction of the insertion needle;
• a sleeve, wherein the sleeve is provided with a through hole passing through its two ends and a second insertion hole communicating with the through hole, the through hole is provided with an integral inner convex ring formed with the sleeve, the insertion section and the insertion needle are inserted into the through hole, the outer convex ring is located between the inner convex ring and the insertion section and adjacent to the inner convex ring;
• a pin, wherein the pin passes through the second insertion hole and is inserted into the first insertion hole;
• a bushing, wherein the bushing is arranged in the through hole and is located between the insertion section and the inner convex ring;
• and
• wherein the second insertion hole comprises a first section adjacent to an outer wall of the sleeve and a second section adjacent to an inner wall of the sleeve, the first section is connected to the second section, a diameter of the first section is larger than a diameter of the second section, and an end of the pin is embedded in the first section, the end of the pin can be embedded in a surface of the sleeve.