Problem to be solved: to provide a ball chair assembly structure in which the height can be adjusted according to the physique of the user and the sphere is stably supported and there is no fear of leaving.Solution: the support body 10 includes a support member 10 and a spherical body 20, and a support body 10 is provided with a seat part 11 and a leg seat body 12, and the seat part 11 and the leg seat body 12 are interconnected with each other through a vertically movable adjustable member 13, and an upper surface of the seat part 11 is recessed inward, and a storage tank 111 is formed, and a spherical member 20 is received Housed in the tank 111. At least one annular frame 14 is provided at the upper end of the seat portion 11, and the spherical body 20 is surrounded by the frame 14 to be restricted.Diagram【課題】使用者の体格に応じて高さを調整でき、球体が安定して支持されて、離脱する心配がないボールチェア組立構造を提供すること。【解決手段】支持体10と、球体20を含み、支持体10が座部11と脚座体12を備え、座部11と脚座体12間が昇降調整可能な支柱13を介して相互に連結され、座部11の上面が内側に凹陥した形状であって収容槽111が形成され、球体20が収容槽111に収容されて設置される。座部11の上端に少なくとも1つの環状のフレーム14が設置され、球体20がフレーム14により包囲接触されて位置規制されるとよい。【選択図】図2
