Section bar and section bar subassembly of multidirectional connection can carry out

The utility model discloses a section bar and section bar subassembly of multidirectional connection can carry out, its medium section include a plurality of lateral walls, and the lateral wall is equipped with on the lateral wall of two at least departments along the opening and/or the recess of the distribution of section bar length direction around forming the cavity. The utility model discloses can realize the multidirectional connection of section bar, the kind of the connecting piece that has significantly reduced helps reduce production and administrative cost, reduce the section bar installation to labor claim, the operation of being more convenient for, opening, the recess on surface can form additional strengthening to increase the holistic intensity of section bar, simultaneously, the increase of intensity can reduce the section bar to the restriction of material, and can choose the material that has better surface treatment performance for use, increases the anticorrosive ability of section bar, be equipped with the scale on the section bar, can audio -visual judgement section bar length in when installation, convenient to use.