Tie bar embedded structure

The utility model discloses a tie bar pre-buried structure, belongs to the field of buildings, and solves the problems of poor impression quality and template damage in the existing pre-buried method.The tie bar comprises tie bars, PVC sleeves and memory alloy strips, the tie bars are L-shaped and comprise inner sections and outer sections, the inner sections and the outer sections are right-angled, the directions of the two tie bars are opposite, the outer sections of the two tie bars are overlapped in the PVC sleeves, the outer walls of the PVC sleeves are tightly attached to a template, and the memory alloy strips are arranged on the sides, away from the template, in the PVC sleeves. And the memory alloy strip is positioned between the overlapped outer sections of the two tie bars andthe inner wall of the PVC sleeve. The utility model can effectively ensure that the pre-buried length of the tie bar in the concrete reaches the anchoring strength of the tie bar of the wall body, theoperation is convenient, t