Holder for mounting basin under desk

The utility model relates to a sub-stage basin sectional fixture technical field, and comprises a quadrate metal plate which is bent to a right angle, a columniform insert which arranged in a drill hole of a bedplate, a conical nut and a bolt which matches with the nut; the right angle metal plate has a perforation which takes a shape of a stretched round, having a size that can just pass through the bolt and can move along the length direction; the middle of the columniform insert is a through hole in which the conical nut can be inserted partly, the external walls of the conical nut are all distributed with six glutens which match with a hexagonal frustum hole that is in the through hole; the middle of the conical nut is a thread hole which matches with the bolt. The utility model makes the installation of the sub-stage basin being easy and practical, while fastening the bolt the conical nut attaches more closely to the through hole of the frustum, and the clamping and fixing is firmer.