Self-supporting optical cable

The invention belongs to the technical field of cables, and particularly relates to a self-supporting optical cable which is provided with an outer protective layer and a cable core, the outer protective layer is located outside the cable core, the self-supporting optical cable is characterized in that the cable core is composed of three optical unit protective layer components, the three optical unit protective layer components are mutually nested to form a regular hexagon, and optical communication components are arranged in the optical unit protective layer components; an armor layer is arranged between the outer protective layer and the cable core, the armor layer is composed of three armor reinforcing parts, external reinforcing members are arranged in the armor reinforcing parts, the armor layer is attached to the cable core, and every two of the three armor reinforcing parts are connected in an inserted mode; the optical cable has the beneficial effects that the structure is simple and stable, the opti