Outdoor tent foot tube fixing joint capable of being unlocked through pressing

The outdoor tent foot tube fixing joint comprises a sleeve, one side of the sleeve protrudes outwards to form an assembly groove, the side, away from a foot tube, of the assembly groove is provided with an opening and is sealed through an end cover, a fixing assembly is arranged in the assembly groove and comprises a plug pin and a limiting column, and the plug pin and the limiting column are arranged in the assembly groove. The limiting column is vertically inserted into the plug pin, a guide block is arranged on the side edge of the assembling groove, a guide slope is arranged on the guide block, the limiting column is attached to the guide slope after assembling and can move forwards and backwards towards an inner cavity of the assembling groove, and the plug pin is made to be far away from or close to the foot pipe through cooperation of the guide slope. Height adjustment of the fixing assembly is achieved. And by pressing the guide block, the bolt can be quickly retreated, the insertion matching with the