Filter element mounting and sealing structure of side-pumping straight-through air filter

The utility model discloses a side-pumping straight-through air filter element installation and sealing structure which comprises an air inlet, an air outlet and a shell located between the air inlet and the air outlet, a straight-through type filter element is arranged in the shell, one side of the shell is connected with a maintenance end cover, a guide block is arranged on the outer surface of a lower framework of the straight-through type filter element in a protruding mode, and the guide block is connected with the maintenance end cover. An assembling groove corresponding to the guide block is formed in the inner surface of the shell; the straight-through type filter element inclines rightwards in the process that the guide block is installed in the assembling groove, and the straight-through type filter element is vertical after the guide block is installed in the assembling groove. The guide block is restrained upwards through the positioning groove, so that the straight-through type filter element is