Adjustable supporting base and 3D printer

The utility model discloses an adjustable supporting base, the adjustable supporting base is applied to a 3D printer, the adjustable supporting base is of a detachable structure, and the adjustable supporting base comprises two identical positioning parts and a connecting part; the connecting part is positioned between the two positioning parts and is fixedly connected with the two positioning parts; the connecting part and the positioning part are respectively provided with a convex-concave clamping structure or an inserting structure, and the convex-concave clamping structure or the inserting structure is fixed through a screw. The utility model further discloses the 3D printer comprising the adjustable supporting base, and an operator can adjust the width of the printing supporting base more conveniently and rapidly. 本申请公开了可调节支撑底座，所述可调节支撑底座应用于3D打印机，所述可调节支撑底座为可拆卸结构，包括：两个相同的定位部和一个连接部；所述连接部位于两个定位部之间并与之固定连接；所述连接部和所述定位部分别设置有对应的凸凹卡合结构或者插接结构，且凸凹卡合结构或者插接结构通过螺丝固定。本申请还公开了包括上述可调节支撑底座的3D打印机，让操作员能够更加方便快捷地完成打印支撑底座宽度的调节。