Invisible penis length measuring instrument

The utility model discloses a concealed penis length measuring instrument, which belongs to the technical field of concealed penis measurement and comprises a vertical measuring rod, a positioning groove is arranged at one end of the vertical measuring rod, and an adjusting and measuring mechanism is mounted in the middle of the inside of the positioning groove. The adjusting and measuring mechanism is formed by combining a measuring block with a measuring function, a vertical manual telescopic rod, a horizontal manual telescopic rod and a multi-stage manual telescopic rod, the vertical manual telescopic rod, the horizontal manual telescopic rod and the multi-stage manual telescopic rod drive the measuring block to move, the vertical manual telescopic rod is installed in the middle of the interior of the positioning groove, and a friction block is connected to the middle of the bottom end of the vertical manual telescopic rod. According to the penis length measuring device, the penis length of a patient with