Multifunctional box-type optical branching device

The utility model discloses a multifunctional box type optical branching device. The optical branching device comprises a bottom shell, an optical branching device module and a cover plate, the bottomshell is connected with the cover plate, the optical branching device module is arranged in the bottom shell, a wire inlet port and a wire outlet port are formed in the bottom shell, and protective sleeves are arranged on the wire inlet port and the wire outlet port; a positioning sleeve, a positioning rod assembly and a plurality of positioning pieces are arranged in the bottom shell; a throughhole and an assembling hole are formed in the positioning sleeve, and a limiting piece is arranged on the bottom shell and comprises a connecting rope and a limiting block; the positioning rod assembly comprises a positioning rod and a clamping block; the positioning piece comprises a fixing block, a spring, a sliding block, a connecting rod, a first magnet, a second magnet and a supporting rod. According to the utility mo