Convenient bed structure with improved support assemblies and a supporting structure

A convenient bed structure with improved support assemblies, comprising:

• a bed fabric, which is long and has two opposite long sides, each of which is formed with a plurality of annular wrapping structures;
• two straight bars, one of the straight bars passes through each of the annular wrapping structures of one of the long sides to support the bed fabric and a load carried;
• and
• plural support assemblies, used to support the convenient bed structure and all loads thereon, said support assemblies are arranged in the same direction between the two straight bars, each support assembly is respectively buckled and fastened to the two straight bars with C-shaped opening sliding sleeves at opposite ends;
• wherein any of the support assemblies includes a U-shaped branch, a pair of leg brackets connected to the two U-shaped bends of the U-shaped branch, and two C-shaped opening sliding sleeves connected to the end points of the side arms on both sides of the U-shaped branch,
• wherein any one of the C-shaped opening sliding sleeves can be slid on the side arms of the U-shaped branch or can be fixed to the side arms of the U-shaped branch by a protruding tenon provided on the C-shaped opening sliding sleeve,
• wherein the side arms on both sides of the U-shaped branch are respectively provided with a retaining groove corresponding to the protruding tenon, and the C-shaped opening sliding sleeve is provided with a release button corresponding to the position of the retaining groove.