Easy-to-assemble buckle

An easy-to-assemble buckle, comprising a male buckle and a female buckle assembly, said female buckle assembly comprising a female buckle, a fastener, a button and a back cover, said female buckle, button and back cover being made of metal, said fastener being made of plastic, said button being mounted inside the female buckle with a fixing column therethrough so that it can be pressed toward the inside of the female buckle, said back cover and fastener being respectively assembled and fixed with the female buckle, said fastener having a spring arm on its lateral side, said button being connected with the spring arm;

• said male buckle having an insert pin, when the insert pin is inserted into the female buckle assembly, it is locked by the button, so that the male buckle is coupled with the female buckle assembly, characterized in that:
• the button is configured with a spring arm slot with its openings facing frontward and inward, the fastener is inserted from the front end of the female buckle and is locked and fixed with the female buckle through a buckling mechanism, the spring arm is inserted into the spring arm slot and is pressed against the button;
• the fastener is configured with a through insert hole extending from front to back, the insert pin of the male buckle goes through the insert hole and is inserted into the female buckle to be connected with the button,
• wherein the fastener is configured with a guide bar extending from front to back, the guide bar is extended into the insert hole;
• the insert pin of the male buckle is configured with a guide slot on the side facing the guide bar, when inserting the insert pin into the female buckle, the insertion of the insert pin can be guided by inserting the guide bar into the guide slot.