Combined PLC optical splitter

The utility model provides a combined type PLC optical splitter, relates to the technical field of optical splitters, and comprises a PLC optical splitter body and a protection mechanism, the front side of the PLC optical splitter body is provided with the protection mechanism, and the protection mechanism comprises a mounting seat, a protection cover, a fixing member, an elastic member, a connecting end and a sealing cover. According to the combined PLC optical splitter, through the arrangement of the protection mechanism, if the connecting end is not used, a pull block located above a front movable groove can be pulled, at the moment, a limiting block in the front movable groove is separated from a limiting groove in the upper surface of the connecting end, the connecting end is pushed towards the inner side, and when the limiting groove and the limiting block are located on the same vertical line, the pull block can be pulled out. The limiting block relimits the position of the connecting end, at the momen