Optical module connector protection device

The utility model relates to a protection device for an optical module connector. The protection device comprises an optical fiber joint; the shell is arranged outside the optical fiber connector and comprises a hollow shell body, a threaded hole, a rectangular hole, a first hemispherical groove and an elastic piece; the threaded hole is formed in one end of the hollow shell and communicates with the first hemispherical groove; the sealing block comprises a threaded block and a second hemispherical groove; the steering block comprises a first hemisphere, a second hemisphere, a positioning hole, a wire inlet hole, a positioning column and a mounting hole; and the supporting pipe is arranged between the first hemisphere and the second hemisphere. Through arrangement of the first hemispheroid, the second hemispheroid and the supporting tube, the supporting tube can be arranged between the two hemispheroids, so that the optical fiber can drive the steering block and the supporting tube to change the angle after b