Rotary replaceable umbrella nest assembly for an umbrella

A rotary replaceable umbrella nest assembly for an umbrella, the umbrella comprising a middle column and a plurality of rods each having an end;

• the umbrella nest assembly comprising:
• a lower nest cover;
• a nest support disposed below the lower nest cover;
• and
• a lower nest base ornament disposed below the nest support;
• wherein,
• the lower nest cover has a plurality of recesses for receiving the end of each rod, the lower nest cover has a circular hole at the center of the lower nest cover for receiving the middle column;
• a connecting sleeve having a lower end extending down from the circular hole, and the connecting sleeve has a plurality of external threads on a lower end of the connecting sleeve;
• the nest support has a ring-shape matching with a bottom of the lower nest cover, the nest support has a center hole for the connecting sleeve to pass through, the nest support is connected to the bottom surface of the lower nest cover surrounding the connecting sleeve;
• the lower nest base ornament has an internal threaded hole matching with the external threads on the connecting sleeve,
• the lower nest base ornament is threaded to the lower nest cover such that the lower nest base ornament is detachably connected to the lower nest cover;
• the lower nest base ornament has a cone shape with a large upper end and a small lower end, the lower nest base ornament has a through hole at the center of the lower nest base ornament;
• a guide cylinder for receiving the middle column is connected to the lower nest base ornament;
• the guide cylinder has a plurality of internal threads on an inner wall at an upper end of the guide cylinder matching to the external threads of the connecting sleeve of the lower nest cover;
• the connecting sleeve of the upper nest cover is in threaded to the lower nest base ornament after passing through the center hole of the nest support;
• and
• an outer edge of the nest support corresponding to the recesses of the lower nest cover has a plurality of hollowed-out portions, and both sides of each hollowed-out portion have a plurality of position pieces inserted in the lower nest cover.