Post tablet system that a key was changed

The utility model provides a post tablet system that a key was changed, include: the box is provided with in and rotates piece and stationary member, it is connected with control panel electricity to rotate the piece, it is equipped with a plurality of posies tablet draw -in groove along circumference to rotate the piece, each post tablet draw -in groove corresponds a button on the control panel, when certain button on control panel is pressed, rotating and rotating for stationary member, stationary member is equipped with a positioner, and when the post tablet draw -in groove that corresponds with this button rotated to the position that corresponds with this positioner, this positioner makeed the stall of rotation piece, the box outer wall with position that positioner corresponds is equipped with display frame, and this display frame demonstration is crossed to the post cartoon in the post tablet draw -in groove that corresponds with this button. 本实用新型提供了种键更换的岗位牌系统，包括：箱体，箱体内设置有转动件和静止件；所述转动件与控制面板电连接；所述转动件沿着