Supporting tool

The utility model discloses a support tool relates to support technical field, including support leg, detection instrument, the upper surface of support leg is fixedly equipped with the support table, the support leg includes the support cylinder, the inside of support cylinder is rotatingly equipped with the rotating rod, the upper end of rotating rod is fixedly equipped with the threaded block no. The surface of the first threaded block is in threaded connection with a supporting rod, and a first bevel gear is fixedly installed on the side wall of the rotating rod. According to the supporting tool, a rotating button is rotated to drive a second bevel gear to rotate, the second bevel gear is meshed with a first bevel gear to drive a first bevel gear and a rotating rod to rotate, the rotating rod rotates to drive a first threaded block, the first threaded block is in threaded connection with a supporting rod, and the length of the part, located in a supporting cylinder, of the supporting rod is adjusted; the