Plane linking structure of foaming panel

The utility model discloses a plane chaining structure of a foaming panel, and relates to the technical field of panel splicing, in particular to a chaining structure assembly of a foaming box panel of central air-conditioning terminal equipment. The connecting structure comprises a connecting profile and stepped plastic universal pieces, wherein the two stepped plastic universal pieces are symmetrically arranged on the end faces of two foaming panels needing to be connected; a sectional material convex piece of the linking sectional material is arranged on a stepped plastic universal piece, and a wedge-shaped insert which is convex forwards is arranged on the front side end face of the sectional material convex piece; the sectional material concave part is arranged on a stepped plastic universal part, and the front side end face of the sectional material concave part is arranged to be a wedge-shaped groove matched with the shape of the wedge-shaped insert on the front end face of the sectional material conve