Combined partition plate device in building

The utility model provides a combined partition plate device in a building, which comprises a partition plate, an upper lug plate and a lower lug plate are arranged on two sides of the partition platerespectively, the two upper lug plates are hinged through a long hinge, inner lug holes are formed in the upper lug plates, long hinge holes corresponding to the inner lug holes are formed in the long hinge, and connecting screws are arranged between the inner lug holes and the long hinge holes. Wherein the two lower lug plates are connected in a hinged mode through the short hinge, the lower lugplates are provided with outer lug holes, the short hinge is provided with short hinge holes corresponding to the outer lug holes, screws are connected between the outer lug holes and the short hingeholes, and when the long hinge and the short hinge are attached in an L shape, the long hinge holes are opposite to the short hinge holes. The fence has the advantages that the partition plates are hinged to form the whole fen