Chair part and combination formula chair

The utility model relates to a chair part and combination formula chair, this chair part is the integrated into one piece structure, the chair part of this integrated into one piece structure includes the base portion of " Z " font, a back portion that upwards extend in last bight by " Z " font base portion, and the supporting part in the upper and lower bight of connection " Z " font base portion homonymy, the supporting part forms triangular supporting structure with " Z " font base portion, and connect the via hole has do not been seted up in the triangle punishment at this triangular supporting structure. The utility model discloses chair part and the combination formula chair modern design that forms by above -mentioned chair unit construction, simple structure, convenient to use, product structural stability is good, split and combination at will, and the form of combination can be varied, can carry out DIY along with individual's hobby of consumer, consequently has practicality, flexibility, sight and