Abstract: The present invention discloses a connecting lock for exhibit framework assembly which connects the parts of the exhibit apparatus, consisting of a lock shell, a locking plate and an eccentric wheel, wherein the eccentric wheel is composed of a wheel axle, an eccentric disc and a wheel cap, the eccentric disc is mounted on the wheel axle and provided with the wheel cap, the locking plate is provided in the lock shell, two alculas are provided at the head of the locking plate, holes of the eccentric disc matching the eccentric disc are made at the rear of the locking plate, the alcula protrude out of the closed shell, a wheel axle hole is mounted at the rear of the closed shell, a groove for mounting the eccentric wheel is mounted on the wall of the closed shell, and an open window for mounting and dismantling the built-in assembly is provided at the rear of the closed shell.

Abstract: The present invention relates to a split mounting type square column assembly for the exhibition equipment, comprising a square column, a embedded type supporting frame, and a connecting lock, wherein the said connecting lock may be removable located within the said embedded type supporting frame, and the said embedded type supporting frame may be removable located within the said square column. One outside surface of the said square column at least has a connecting groove, and has a quantity of positioning mounting holes in the area except for the situation of the said connecting groove.