Lock sleeve with emergency unlocking function used for middle mounted switch cabinet

Provided is a lock sleeve with an emergency unlocking function used for a middle mounted switch cabinet. The lock sleeve comprises a lock sleeve main body (1) and a strip lock plate (2). The upper part of the lock sleeve main body (1) is a neck (11). The strip lock plate (2) is detachably connected with the end face of the neck (11). The neck (11) is provided with a threaded hole (12). The strip lock plate (2) is provided with a hole (21), and is provided with a bolt (3) which is screwed in the threaded hole (12) of the neck (11) through the hole (21). The strip lock plate (2) is fixed on the end face of the neck (11). Since the strip lock plate is detachably connected with the neck end face, the lock sleeve has the emergency unlocking function. The lock sleeve is simple in structure, and convenient in use, and has certain popularization value.