Desk capable of adjusting height

The utility model relates to a desk capable of adjusting height, including controlling supporting legs (1) and table frame (2) that the side was equipped with, supporting legs (1) including outer tube (3), fixed in locating outer tube (3) nut dead lever (4), locate outer tube (3) interior inner tube (5) and install screw rod (6) in nut dead lever (4) the liftable, a bearing (7) are cup jointed to the upper end of screw rod (6), and the top has a driven bevel pinion (8), and install in the upper end of inner tube (5) bearing (7), table frame (2) are equipped with the rotatory lifting drive mechanism of a drive driven bevel pinion (8). The desk of this structure is adopted, stepless altitude mixture control can be realized. 本实用新型涉及种可调节高度的书桌，包括左右侧设有的支撑脚（1）及桌板架（2），所述支撑脚（1）包括外管（3）、固定设于外管（3）内的螺母固定杆（4）、可升降地设于外管（3）内的内管（5）及安装在螺母固定杆（4）内的螺杆（6），所述螺杆（6）的上端套接轴承（7），顶部具有从动伞齿轮（8），轴承（7）安装在内管（5）的上端，所述桌板架（2）设有驱动从动伞齿轮（8）旋转的升降驱动机构。采用该结构的书桌，可以实现无级高度调节。