Rapid assembly structure for assembling upright post of outdoor product as well as outdoor umbrella and outdoor tent

A rapid assembly structure for assembling an upright post of an outdoor product, comprising an upright post, wherein the upright post comprises a first upright post and a second upright post;

• the rapid assembly structure further comprises a sleeve assembly, wherein the sleeve assembly comprises a first sleeve base and a second sleeve base, the first sleeve base is configured to install the first upright post in a fitting manner, the second sleeve base is configured to install the second upright post in a fitting manner and the first upright post is connected to the second upright post by the fit of the first sleeve base and the second sleeve base;
• after the first sleeve base is in docking fit with the second sleeve base, a partial side wall in the first sleeve base extends outwards and is in close fit with an inner cavity wall of the first upright post.