Detachable wall connecting piece

The utility model discloses a detachable wall connecting piece which comprises a wall, a wall penetrating screw pipe extending to the outer side is arranged in the wall, a connecting plate is installed at one end of the wall penetrating screw pipe, an installation pipe is in threaded connection with the outer side of the other end of the wall penetrating screw pipe, and a wrapping mechanism is installed on the outer side of the installation pipe. A protective sleeve is arranged on the outer side of the mounting pipe; through the arrangement of the wrapping mechanism, the elastic force is provided through the connecting spring on the inner top wall of the connecting shell, and the outer side of the connecting part of the mounting pipe and the through-wall screw pipe is extruded, so that thestability of the connecting structure is ensured; the extrusion springs at the top of the mounting plate can provide elastic force, the fixing plate can be driven to move towards the top, the outer side of the extrusion bloc