Laboratory appliance plug scale test tube fixing device

The utility model discloses a device for fixing a graduated test tube with a plug for a laboratory appliance, and belongs to the technical field of test tube fixing devices. Comprising a frame fixed on a base, the base is communicated with the frame through a through hole in a pore plate, a supporting net used for preventing test tubes from toppling is arranged at the top of the frame, meshes of the supporting net are opposite to the through hole in the bottom, a draining box is arranged at the bottom of the through hole, and the draining box is matched with the base in a sliding and pulling mode. The utility model has the beneficial effects that the test tube is fixed through the matching of the supporting net at the top and the through hole at the bottom, the fixing effect is good, and an operator can conveniently carry out experimental operation; the test tubes are all fixed in the device, and during water bath heating, water is uniformly distributed around the graduated test tubes with the plugs, so that