External corner reinforcing device for concrete pouring

The utility model relates to the field of building construction, in particular to a concrete pouring external corner reinforcing device which comprises two supports, two connecting plates and a reinforcing mechanism, the reinforcing mechanism comprises reinforcing plates, first sliding rods and hinge frames, the reinforcing plates are arranged at the upper end and the lower end of each connecting plate, the first sliding rods are fixedly installed at the upper end and the lower end of the two sides of each connecting plate, and the hinge frames are hinged to the first sliding rods. The two sides of each reinforcing plate are slidably connected with the first sliding rods correspondingly, the hinge frames are hinged to the two connecting plates and the middles of every two reinforcing plates at the upper end and the lower end, the upper ends of the supports are fixedly connected with the connecting plates, and the design can be attached to concrete pouring outer angles of different angles and can be attached t