Explosion-proof optical fiber splice closure

The utility model provides an explosion-proof optical fiber splice closure, which comprises an outer shell and an inner shell which are provided with one-way openings, the diameter of the outer shell is larger than that of the inner shell, one end of the outer shell far away from the opening is provided with a first wiring hole, and one end of the inner shell far away from the opening is provided with a second wiring hole; a clamping hole is formed in an inner cavity of the outer shell, a buckle is arranged on the outer wall of the inner shell, and when the opening end of the inner shell extends into the inner cavity of the outer shell, the buckle and the clamping hole are matched to form a clamping structure; through the arrangement of the sleeving structure that the inner shell is sleeved with the outer shell, it is guaranteed that the inner shell used for containing the optical fiber device and the wire rod is covered and sealed by the outer shell, the dustproof and waterproof performance is guaranteed, an