BUSHING STRUCTURE FOR SEALING AND PARAMETER MEASURING APPARATUS INCLUDING THE SAME

摘要

A bushing structure for sealing is disclosed. the bushing structure for sealing includes a body in which a through hole in which a rod is mounted is formed; one or more sealing rings arranged on a protrusion formed along one circumference of the through hole in order to enclose the circumference of the rod; a fixed unit fixed to the other side of the through hole and in which a hole enclosing the circumference of the rod is formed; and an elastic member arranged between the sealing ring and the fixed unit while being compressed in order to press the sealing ring toward the protrusion.