Recoverable outer frame wall connecting piece convenient to disassemble and assemble

The recoverable outer frame wall connecting piece convenient to disassemble and assemble comprises an embedded assembly, the embedded assembly comprises an embedded plate and a fixing clamping groove, and the fixing clamping groove is fixed to the top of the embedded plate; the limiting assembly is arranged at the bottom of the pre-embedded plate and comprises a fastening pin, a limiting piece and a guiding piece, a through hole is formed in the top of the pre-embedded plate, the fastening pin is movably connected into the through hole, the limiting piece is arranged at the top of the pre-embedded plate, and the guiding piece is located in the limiting piece. The utility model has the beneficial effects that through the arrangement of the pre-embedded component and the limiting component, on the basis of ensuring the safety and stability of the structure, the later leakage hidden danger is reduced, the modular design, industrial production and standardized construction are realized, and the turnover utilizati