Longitudinally-wrapped copper sheath fireproof cable

The utility model relates to the technical field of cables, and discloses a longitudinally-wrapped copper sheath fire-resistant cable, which comprises a protective jacket, four leads are arranged in the protective jacket, and a buffer layer used for carrying out buffer protection on the leads is filled in gaps among the four leads in the protective jacket. The wire is composed of an inner core and an insulating layer, the insulating layer wraps the outer surface of the inner core, the inner core is made of brass, the insulating layer is specifically a rubber insulating layer, and the protective jacket comprises a flame-retardant sheath, a copper sheath, a glass fabric wrapping layer and a rubber protective layer. According to the longitudinally-wrapped copper sheath fire-resistant cable of the utility model, the buffer layer is filled between the gaps of the wires in the protective jacket, when the cable is extruded, pressure buffering can be performed through the buffer layer, and the extrusion of the wires