Plugging structure for prefabricated outer wall grouting

The utility model discloses a plugging structure for grouting of a prefabricated outer wall. The device comprises an outer side seam sealing template, an inner side seam sealing template and an adjustable screw rod for supporting the inner side seam sealing template, the outer side seam sealing template is used for connecting the bottom of the outer side PC wallboard subjected to auxiliary grouting with a floor slab in a sealing manner; wherein the bottom of the inner side PC wallboard assisting in grouting is connected with a floor in a sealed mode through the inner side seam sealing formwork, one end of each adjustable screw abuts against the inner side seam sealing formwork, the other end of each adjustable screw abuts against the inclined strut embedded part, and the inner side seam sealing formwork is pressed at the bottom of the inner side PC wallboard. According to the utility model, the plugging template is adopted to replace the original conventional special mortar for plugging, so that the construct