The utility model provides a purifier convenient to install for a chemical experiment, and relates to the technical field of chemical purifiers. The purifier convenient to install and used for the chemical experiment comprises an installation plate and a machine body, the machine body is located on the front side of the installation plate, a clamping shell is fixedly installed on the front surfaceof the installation plate, bolts are fixedly installed on the installation plate and located at the four right-angle positions, and clamping boxes are fixedly installed on the two sides of the machine body. The utility model discloses a purifier convenient to install for a chemical experiment. a clamping block, a push rod, a threaded rod, a handle, a threaded block, a limiting block, a bracket and a bracket sliding rail are matched for use; firstly, a card box needs to be placed in a groove formed in a card shell, a threaded block on a threaded rod begins to move by rotating a handle, a support fixedly installed on the threaded block is driven to slide in a support rail, a push rod moves under the action of a transmission rod, and therefore the clamping block slides in a sliding rail andenters a clamping groove, and the effect of conveniently installing a machine body is achieved.