Binding type cushion block of concrete floor reinforcing steel bar protective layer

The binding type cushion block of the concrete floor reinforcing steel bar protective layer comprises a protective layer reinforcing steel bar and a cushion block body, the upper section and the lower section of the cushion block body are respectively an opening end and an embedding end, the cross section of the opening end and the cross section of the embedding end are each of a square structure, and a splicing groove is formed in the inner side of the opening end. And the splicing groove and the embedded end are spliced in a matched mode to stack and block up the cushion block body, and a first binding belt and a second binding belt are arranged at the lower end of the embedded end in an embedded mode. According to the binding type cushion block of the concrete floor reinforcing steel bar protective layer, the first binding belt and the second binding belt are connected through the fixing rod arranged in the cushion block body in an embedded mode for auxiliary binding, and the construction quality of a conc