Adjustable limiting assembly device for elastic check ring

The invention discloses an adjustable limiting assembly device for an elastic check ring. The adjustable limiting assembly device comprises a first force application piece and a second force application piece. The first force application piece comprises a first plier mouth, a first plier arm and a first force application handle which are sequentially connected together from left to right; the second force application piece comprises a second plier mouth, a second plier arm and a second force application handle which are sequentially connected together from left to right; the first clamp arm is hinged with the second clamp arm; the first clamp mouth and the second clamp mouth are used for being inserted into two check ring holes of an elastic check ring. A limiting adjusting mechanism is arranged between the opposite sides of the first force application handle and the second force application handle. And the limiting adjusting mechanism is used for adjusting and limiting the opening size of the two check ring