High-precision light delay measuring instrument packaging structure

The utility model provides a packaging structure of a high-precision optical delay measuring instrument, and relates to the technical field of optical communication. Comprising an outer front panel; an inner front panel is arranged in the outer front panel, a first clamping rod is arranged in the outer front panel, a first clamping hole is formed in the corresponding part of the inner front panel, first mounting holes for mounting the upper cover and the lower cover are formed in the bent edge of the inner front panel, and upper cover clamping grooves are formed in the four edges in the upper cover; the upper cover and the lower cover are of a lap joint structure, upper cover clamping grooves are formed in the left side and the right side of the upper cover, the left side and the right side of the upper cover can be tightly installed with the lower cover in a matched mode, and the front side and the rear side of the upper cover are tightly installed with the inner front panel and the rear panel in a matched m