Collapsible stair of marking time

The utility model relates to a collapsible stair of marking time, include: the footboard and the kickplate that set up in succession, footboard pass through the articulated elements with kickplate and articulated being in the same place, and footboard and kickplate's couple external member is located to the hook. The utility model discloses collapsible stair of marking time not only can fold when not using, and the footboard is relatively stable with the riser when using moreover, avoid vertical and level to slide. Expansion bolts can help forming the rigid joint at the bottom and the top of stair, resists sliding of stair top and bottom. The user demand of the different discrepancy in elevation can be satisfied, the whole security performance of using that shifts and guaranteed can be realized. 本实用新型涉及种可折叠踏步楼梯，包括：连续设置的踏板和踢板，踏板和踢板通过铰接件而铰接在起；以及钩设于踏板和踢板的挂钩套件。本实用新型可折叠踏步楼梯不仅在不使用时能折叠，而且在使用时踏板与踢面相对稳定，避免竖向和水平向的滑移。膨胀螺栓可有助于形成楼梯的底部及顶部的刚性节点，抵抗楼梯顶部和底部的滑移。可满足不同高差的使用需求，可实现整体转移并保证了使用的安全性能。