Simple outer frame wall connecting piece

The utility model relates to the technical field of building construction, and particularly discloses a simple outer frame wall connecting piece. The embedded steel pipe structurally comprises an embedded steel pipe, the embedded steel pipe is transverse, the embedded steel pipe is sleeved with an embedded fastener, the embedded fastener comprises two fastener arc cover faces, the cross section of each fastener arc cover face is of a semicircular ring structure, one ends of the two fastener arc cover faces are rotationally connected, and the other ends of the two fastener arc cover faces are provided with bolt and nut structures. And a tensile fan blade is arranged on the outer arc surface of the arc cover surface of the fastener. The wall connecting piece is transferred to the side edge of the edge beam from the upper portion of the edge beam through the pre-buried fastener and the transverse steel pipe, and the problems that in the prior art, a vertical steel pipe of a wall connecting piece of a steel pipe