Totally-closed and adjustable elevator shaft edge protective rail

The utility model relates to the technical field of building construction, in particular to a totally-closed adjustable elevator shaft edge protective railing which comprises an elevator door opening, a protective railing body arranged on one side of the elevator door opening, a first fixing rod arranged at the upper end of the protective railing body, a side rod arranged on the outer side of the upper end of the protective railing body and a first adjusting groove formed in the side rod. Positioning bolts are arranged in the first adjusting grooves, and isolation rods are arranged at the upper ends of the protective fences. The upper sleeving fence is located at the upper end of the protective fence, a second fixing rod is arranged at the upper end of the upper sleeving fence, a side connecting sleeve rod is arranged on the outer side of the upper sleeving fence, a second adjusting groove is formed in the side connecting sleeve rod, and an isolation sleeve rod is arranged at the bottom of the upper sleeving