File rack

The utility model discloses a file rack, including support body, cavity, the cavity bottom is equipped with the bottom plate with support body circumference inside wall butt, is equipped with the drive mechanism who drives the bottom plate and reciprocate on the support body, drive mechanism include ball, first bearing and with ball complex ball nut, first bearing is fixed in the support body bottom and rotates with ball one end and is connected, ball runs through bottom plate, ball nut and bottom plate fixed connection, the last drive structure that is used for driving ball that is equipped with of ball. The drive should drive the structure, and drive mechanism drives the bottom plate and carries out the elevating movement, and the lift of bottom plate is removed, has greatly made thingsconvenient for the access of file. 本实用新型公开了种文件架，包括架体、空腔，空腔底部设有与架体周向内侧壁抵接的底板，架体上设有带动底板上下移动的传动机构，传动机构包括滚珠丝杠、第轴承和与滚珠丝杠配合的滚珠螺母，第轴承固定于架体底部与滚珠丝杠端转动连接，滚珠丝杠贯穿底板，滚珠螺母与底板固定连接，滚珠丝杠上设有用于驱动滚珠丝杠的驱动结构。驱动该驱动结构，传动机构带动底板进行升降运动，底板的升降移动，极大地方便了文件