Quick airtight device of unsealing

Quick airtight device of unsealing, including hollow inferior valve and hollow epitheca, characterized by: hollow inferior valve can the amalgamation become a cube with hollow epitheca, and the side of hollow inferior valve is triangle -shaped, and the side of hollow epitheca is trapezoidal, and hollow epitheca has the scope of attack, the corresponding face of hollow inferior valve and hollow epitheca sets up porosely respectively, two downthehole lead screws that are provided with, and lead screw one end is provided with the limiting plate, and the limiting plate coordinates with the spacing groove of hollow inferior valve, and the nut is installed at the outer wall of hollow epitheca to the other end of lead screw. Hollow inferior valve and the contact inclined plane of hollow epitheca be provided with single gear, this patent broken wall safer, quick, that save work physical power exhausts. 快速密闭启封装置，包括空心下壳和空心上壳，其特征是：空心下壳和空心上壳能拼合成个立方体，空心下壳的侧面为三角形，空心上壳的侧面为梯形，空心上壳带有打击面；空心下壳和空心上壳相对应的面分别设置有孔，两个孔内设置有丝杆，丝杆端设置有限位