Junction box

The utility model belongs to the technical field of the electric installation, especially, relate to a junction box. This junction box includes the box body, it has the lid to articulate on the box body, the box body includes bottom plate and surrounding edge, be equipped with the mounting hole on the surrounding edge, be equipped with two the 1st semi -cylindrical recesses on the bottom plate, be equipped with the cable briquetting on the semi -cylindrical recess, it has the 2nd semi -cylindrical recess to open on the lower terminal surface of cable briquetting, and a semi -cylindrical recess and the 2nd semi -cylindrical recess form the cylindricality screens passageway that supplies the cable to pass through when the cable briquetting is pressed on the bottom plate, a guide column is arranged on the bottom plate, it has the direction passageway to open on the cable briquetting, the head of guide post and the passageway that leads be equipped with first distance between being suitable for reading, the cable briquetting passes through helicitic texture and bottom plate fixed connection, the helicitic texture includes the screw rod, open threaded hole on the guide post. The advantage lies in: reasonable in design, simple structure.