| 摘要 |
A rack includes a upper frame, a frame post, and a confluence member. The upper frame includes a first pillar and a second pillar connected to the first pillar. A first guiding groove is defined in the first pillar. A second guiding groove is defined in the second pillar. The first guiding groove and the second guiding groove extend substantially along the horizontal plane. The frame post is coupled with a connection portion of the first pillar and the second pillar. A third guiding groove is defined in the frame post. The third guiding groove extends uprightly. The confluence member is mounted between the frame post and the connection portion of the first pillar and the second pillar. A plurality of confluence grooves is defined in the confluence member. The plurality of confluence grooves links the first guiding groove and the second guiding groove to the third guiding groove. |
