Enhanced connecting piece for heat preservation and formwork integrated plate

The embodiment of the utility model provides a reinforced connecting piece for a heat preservation and formwork integrated plate, which comprises a cap part, an embedded part and a protruding part, the cap part, the embedded part and the protruding part are connected with one another, the cap part is arranged outside the heat preservation and formwork integrated plate, the embedded part is arranged inside the heat preservation and formwork integrated plate, and the protruding part is arranged inside the heat preservation and formwork integrated plate. The protruding part is located outside the formwork maintaining integrated plate and is poured together with concrete. Wherein a groove hole is formed in the protruding part, and the groove hole penetrates through the protruding part in the transverse direction. Furthermore, the groove hole comprises a through groove, the through groove penetrates through the protruding part in the transverse direction, and the through groove extends in the longitudinal directio