Tail plug structure of electric roller shutter

The utility model provides a tail plug structure of electric roller shutter. The tail plug structure of the electric roller shutter comprises a tail plug support and a roller pipe tail plug. The tail plug support comprises a general hanging corner and a tail plug wear-resisting shaft sleeve, the tail plug wear-resisting shaft sleeve is fixed to the inner side of the hanging corner through a first screw, the center of the tail plug wear-resisting shaft sleeve and the center of the tail hanging corner are respectively provided with a circular through hole, and four guide grooves which are in a cross shape are formed in the outer edge of the through hole of the tail plug wear-resisting shaft sleeve. The roller pipe tail plug comprises a check ring, a spline end driving head, an elastic accessory, a roller pipe wear-resisting shaft sleeve and a wear-resisting shaft. The roller pipe tail plug is arranged in the circular through hole of the tail plug support through the elastic accessory in an elastic type sleeved