Expandable optical cable connector box

The utility model discloses an expandable optical cable connector box, comprising an upper cover and a lower cover, the inner sides of the upper cover and the lower cover are provided with an expansion assembly, the expansion assembly comprises an upper box and a lower box, the outer sides of the upper box and the lower box are provided with a moving assembly, the moving assembly comprises a chute and a slide rail, and the slide rail is provided with a slide groove. The inner side of the upper cover and the inner side of the lower cover are provided with limiting assemblies, each limiting assembly comprises an opening and a baffle, the expansion assembly is provided with a wiring assembly, and each wiring assembly comprises a clamping sleeve and an elastic piece. The sealing performance of the optical cable connector box is effectively guaranteed, the expansion quantity can be flexibly adjusted according to needs, another optical cable connector box is not needed, the use is more convenient, the size of the o