Explosion-proof junction box facilitating improvement of wiring efficiency

The utility model discloses an explosion-proof junction box facilitating the improvement of wiring efficiency, and the junction box comprises a pedestal and an upper cover. A wiring cavity is formed between the pedestal and the upper cover, and the pedestal is fixedly provided with a threading tube. The interior of the wiring cavity is provided with a wiring part. The pedestal is also fixedly provided with a threading pin. The wiring part is provided with a hole, and a fixing bolt. The threading tube comprises a lead cylinder which is provided with a different diameter through hole, wherein one end of the different diameter through hole is provided with an internal thread. The interior of the different diameter through hole is provided with a sealing pad in an embedded manner. The interior of an internal threaded hole is provided with a compressing screw cap. The lead cylinder is provided with an external thread which is provided with a locking bolt. The lead cylinder is also provided with a projection. The wiring part comprises a wiring part seat and at least one wiring board, wherein the wiring board comprises a conduction plate. The junction box provided by the utility model is suitable for the explosion-proof connection of cables in a range of a certain diameter. Meanwhile, the junction box is good in sealing and explosion-proof performances, is high in speed of the connection of a cable connector, and is good in stability of the connection of the cable connector.