Detachable shelf connection structure and shelf

A detachable shelf connection structure, comprising:

• a first tube, a second tube, a clamping assembly, and a sleeve,
• wherein the first tube comprises a sleeve tube and a connecting tube, and the sleeve tube is connected to one end of the connecting tube;
• both a wall of the sleeve tube and a wall of the second tube are provided with at least one clamping hole;
• the sleeve tube is inserted into one end of the second tube, and when the sleeve tube is connected to the second tube, the clamping hole in the sleeve tube is corresponding to the clamping hole in the second tube respectively;
• the clamping assembly clamps the clamping hole in the sleeve tube and the clamping hole in the second tube;
• and the sleeve is sleeved outside the clamping assembly, and the sleeve and the clamping assembly are clamped to each other;
• wherein the clamping assembly comprises a first clamping component and a second clamping component, the first clamping component comprises a first enclosure wall and a first clamping part, and the first clamping part is disposed on an inner side of the first enclosure wall;
• the second clamping component comprises a second enclosure wall and a second clamping part, and the second clamping part is disposed on an inner side of the second enclosure wall;
• and the first enclosure wall and the second enclosure wall are snap fitted, and the first clamping part and the second clamping part successively penetrate the clamping hole in the second tube and the clamping hole in the sleeve tube.