Connecting assembly for plastic products and plastic shelf

The utility model relates to the field of plastic products, in particular to a connecting assembly for plastic products and a plastic shelf, which comprises an upper connecting piece and a connecting rod, first nuts are arranged on two side surfaces of the edge of one surface of the upper connecting piece facing the connecting rod, a first thread is arranged at one end of the connecting rod, and a second thread is arranged at the other end of the connecting rod. The connecting piece has the advantages that the upper connecting piece and the first nut are manufactured separately, and the upper connecting piece is provided with a containing space for containing the first nut through the arrangement of the upper connecting piece containing part and the first installing cavity; the upper connecting piece and the first nut are easy to assemble, the accuracy of the nut fixing position is improved, meanwhile, production time consumption is reduced, the working efficiency is improved, and therefore the profit of the