Plugging device for outer wall formwork fixing screw

The utility model provides a plugging device for an outer wall formwork fixing screw. The plugging device comprises a split screw sleeve, plugging pieces and water stop rings, wherein the plugging pieces and the water stop rings are arranged at the two ends of the split screw sleeve. The opposite-pull screw rod sleeve is a frustum-shaped hollow tubular rubber tube; the plugging piece is detachably connected with the two ends of the opposite-pull screw sleeve in a sealed mode. The water stop ring is fixed to the outer side of the middle of the opposite-pull screw sleeve, and the material of the water stop ring is the same as that of the opposite-pull screw sleeve. The plugging piece is matched with the frustum-shaped hollow tubular rubber tube with the water stop ring to plug the template fixing screw hole, compared with a traditional external wall screw plugging construction process, customization is convenient, operation is easy, the problem that sealing is not tight due to uneven plastering technologies of