Compartment welded structure

The utility model discloses a compartment welded structure, including at least core more than two, at each the both ends face of core is provided with the metal spraying layer, still includes the connection piece, the connection piece includes the first connection piece unit that a plurality of intervals set up, first connection piece unit with the metal spraying layer is connected, through the unit connection of second connection piece between each first connection piece unit. The utility model discloses divide into the connection piece unit of multiple specification with the connection piece, " compartment " welding can effectively be avoided being out of shape the internal discharge phenomenon of bringing because of welding spot drop or connection piece between each connection piece unit, improves its security greatly.