Chair with firm structure for overlapping

A chair with a firm structure for overlapping, the chair having a body which includes a chair frame and at least one supporting frame;

• the chair frame having a base, a seat frame and a back frame for supporting the body;
• the supporting frame being at an outer side of the chair frame;
• wherein
• the seat frame has a seat;
• and the back frame has a cushion;
• the supporting frame has a handle;
• supporting frame is combined with a combining unit;
• the combining unit serves for combining the supporting frame and the chair frame;
• the chair frame has a front casing and a rear casing;
• each of the front casing and the rear casing having a clamping surface;
• the front casing being coupled to the rear casing;
• each of two sides of the clamping surface has a positioning groove for limiting the chair frame and the supporting frame in the combining unit;
• wherein when a plurality of bodies are overlapped, the supporting frame at an upper side will guide from the supporting frame at a lower side so that the supporting frame at an outer side will confine the chair frame;
• thus, the bodies chairs are overlapped more firmly and stably.