Revolvable oppositely-pulling screw for single-faced formwork of constructional engineering

The utility model provides a revolvable oppositely-pulling screw for the single-faced formwork of constructional engineering for solving the various convenience of the existing oppositely-pulling screw for formwork construction during a construction process. The revolvable oppositely-pulling screw comprises a long rod and a waterstop ring, wherein a circular barrel is fixedly connected to the inner side of the waterstop ring, and threads are arranged on the inner wall of the circular barrel and the middle portion of the long rod; the position of the circular barrel relative to the long rod is adjusted by means of rotation, that is, the position of the waterstop ring relative to the long rod is adjustable; an external thread is arranged at one end of the long rod, and a nut connection element is screwed to the end portion of the long rod provided with the external thread; a cut-through handle insertion hole is formed in the other end of the long rod. The product provided by the utility model has the beneficial