Novel external scaffold wall connecting piece device

The utility model discloses a novel external scaffold wall connecting piece device which comprises a pre-buried steel type piece fixed in a reinforced concrete layer in a pouring mode, a sliding groove is formed in the pre-buried steel type piece, a sliding steel piece is arranged in the sliding groove in an embedded mode, cork layers are arranged on the inner walls of the upper end and the lower end of the pre-buried steel type piece, and a steel pipe is screwed into the middle of the sliding steel piece in a rigid connection mode. According to the device, structural members are convenient to disassemble and can be repeatedly used, the structural bearing capacity is high, the stability is high, abrasion is small in the using period of the device, the service life of the device is prolonged, the service life of the device is prolonged, the service life of the device is prolonged, and the service life of the device is prolonged. The device effectively prevents device extrusion deformation caused by thermal exp