Yi Seed ?sub- structures, main Yu ?the face Side Wei Zhi Let of sub- Fitness When set entrance Offices of the access road And Will mono- Gate Door Body Tao Let in The access roades Inner of an a Ge or Ge or more, wherein The Gate Door Body Department As mono- form the frame Body for the Alice plate formula Let Meter that Single enters to Jin, so that the Group Installed of The ?quicker, convenient Real effect With purposes.一種籠子結構,主要於籠子之適當的面側位置設置一個或一個以上之入口通道,並將一閘門體套設在該入口通道內之入口處,其中,該閘門體係為一形成單向進入的翹板式設計之框體,以使該籠子的組裝更加快速、方便之實用功效與目的。