Special-shaped connector for curtain wall

The utility model discloses a special-shaped connector for a curtain wall. The special-shaped connector for the curtain wall comprises a middle shaft connected with a curtain wall supporting structure, wherein the middle shaft has the fixing and supporting function. A first connecting lug plate used for connecting a curtain wall keel is arranged above the middle shaft, and a second connecting lug plate used for connecting a curtain wall keel is arranged above the middle shaft, wherein the first connecting lug plate and the second connecting lug plate are all rotatably connected with the middle shaft. By adopting the special-shaped connector for the curtain wall, the connection of various concave surfaces and convex surfaces within a 360 degree range of the curtain wall can be adapted, and the hinge connection between the curtain wall and the supporting main structure can be achieved.