Patent ID: 7878464

Claim:
A mounting structure of a coupler for a sprinkler, comprising: a coupler having flat surfaces, extrapolated lines of the flat surfaces forming a polygon; a clamp, comprising: a first cavity provided in a first end of the clamp in such a way as to be open to the top; an opening provided in a second end of the clamp; a second cavity provided in each of sidewalls of the clamp which are adjacent to the opening in such a way as to be open to the top; a through hole provided at a position on each of the sidewalls so that a stock bar is fitted into the through hole; and a hinge part protruding outwards from the second cavity; a support plate provided integrally on each of upper and lower ends of the sidewalls, and having a fitting hole which is open towards the opening and is formed to correspond to the flat surfaces; and a rotary part rotatably connected at an end thereof to the hinge part, and opening or closing the opening; and a snap part, comprising: a holding part rotatably connected at both ends thereof to the sidewalls of the clamp, so that a position of the holding part is limited by the first cavity; and a compressing part formed by bending an end of the holding part, and pushing the stock bar towards the opening.