Novel silica gel sealing ring structure for optical cable connector box

The utility model discloses a novel silica gel sealing ring structure for an optical cable joint box, which mainly comprises an optical cable joint box bottom, an optical cable joint box cover, an optical cable, a silica gel sealing ring, a fixing bolt and a plug, and the edges of the optical cable joint box bottom and the optical cable joint box cover are respectively provided with a semi-cylindrical chute, a semi-arc sheet, a ring-shaped hole and a cylindrical counter bore; the silica gel sealing ring is composed of a square silica gel sheet, a semicircular threaded silica gel sheet, an arc-shaped silica gel gasket and an oil absorption foam column, and the ring-shaped hole and the cylindrical counter bore are filled with sealing oil; and a plug is sleeved at the inlet of the non-penetrating optical cable. The sealing structure is reasonable, the oil seal and the silica gel are matched in a sealing mode, the oil seal effect between the silica gel sealing ring and the joint of the edge of the optical cable c