Adjustable suction cup for glass curtain wall installation

The utility model provides an adjustable sucker for glass curtain wall installation, which comprises a butterfly-shaped positioning screw, extension sleeve rods, a limit cover plate, a drawing threaded column, a piston block and a connecting piece, the extension sleeve rods are symmetrically welded on the upper side and the lower side of the annular side surface of a sealing cylinder, and the butterfly-shaped positioning screw is meshed with the inner left side of each extension sleeve rod; a limiting cover plate is installed on the left end face of the sealing cylinder, a drawing threaded column is installed in the sealing cylinder, a connecting piece is arranged on the right end face of the drawing threaded column, and a piston block is attached to the right end face of the connecting piece. The sucker has drawable capacity and adjustable use capacity, the suction force of the sucker is increased, and the sucker is convenient to use. 本实用新型提供一种可调节使用的玻璃幕墙安装用吸盘，包括蝶形定位螺丝、延伸套杆、限位盖板、抽拉螺纹柱、活塞块以及连接片，密封筒环形侧面上下两侧对称焊接