Security equipment

The utility model relates to a security equipment, including the different festival pole of several internal diameter, each the festival pole is along radially being hollow structure and each festival pole successive layer in proper order cup joints adjacent two be provided with locking device between the festival pole, during first state, the several the pole was along expanding radially in proper order the festival, during the second state, except that other section pole the outside festival pole all shrink in in the outside festival pole, the one end of outside festival pole be provided with with outside festival pole assorted lid, the lid with outside festival pole is articulated. The utility model provides a security equipment, simple structure, convenient to use, have multiple functions and the cost is lower. 本实用新型涉及种保密设备，包括数个内径不同的节杆；各所述节杆沿径向均为空心结构，且各所述节杆依次逐层套接，相邻两个所述节杆之间设置有锁紧装置；第状态时，数个所述节杆沿径向依次展开；第二状态时，除最外侧节杆之外的其他节杆均收缩于所述最外侧节杆中；所述最外侧节杆的端设置有与所述最外侧节杆相匹配的盖体，所述盖体与所述最外侧节杆铰接。本实用新型提供的保密设备，结构简单、使用方便、具有多种功能且成本较