Disc lock scaffold top end sleeve structure convenient for height adjustment

The utility model discloses a ring lock scaffold top end sleeve structure convenient to adjust the height, and aims to conveniently adjust the height of a sleeve at the top end of a ring lock support scaffold to enable the height of the sleeve to be consistent with the height of a socket plate on an adjacent vertical rod. A lower end opening blocking block (5) is welded to a lower end opening of the vertical rod top end sleeve (3), a blocking block center screw hole (6) is formed in the center of the lower end opening blocking block (5), a conical expansion plug (8) is connected to a top end opening of the vertical rod (1) in an inserted mode, an expansion plug center screw hole (9) is formed in the top end face of the conical expansion plug (8), and a screw (7) is connected between the expansion plug center screw hole (9) and the blocking block center screw hole (6). The structure is simple, on-site operation is convenient, and stability of the whole support system is guaranteed. 本实用新型公开了一种便于高度调节的盘扣脚手架顶端套筒结构