COUPLER AND COUPLING STRUCTURE

摘要

PURPOSE: A coupler is provided to connect concrete components simply and excellently. CONSTITUTION: The coupler comprises: a male coupler(1) provided with a female screw hole(1b) fastened to a male screw unit(ET1) of a connecting rod(CR1); a female coupler(2) provided with a female screw hole(2a) fastened to a male screw unit(1a) of the male coupler(1), a fitting hole(2b) for interposing a male screw unit(ET2) of a connecting rod(CR2), and a hanging-stopping unit(2c) formed on the boundary between the female screw hole(2a) and the fitting hole(2b); and a limiting nut(3) fastened to the male screw unit(ET2) of the connecting rod(CR2) after fitting to the male screw unit(ET2) of the connecting rod(CR2) through the fitting hole(2b) of the female coupler(2) to limit the movement of the female coupler(2) together with the hanging-stopping unit(2c).