Ring main unit cabinet door interlock

The utility model discloses a ring main unit door interlock, and belongs to the technical field of ring main unit doors. According to the utility model, the interlocking mechanism is arranged in the ring main unit; the interlocking mechanism comprises an interlocking rod hinged to the rear end of the inner wall of the ring main unit, a spring bolt blocking rod is hinged to the bottom of the interlocking rod, a spring support is fixedly connected to the rear end of the inner wall of the ring main unit, and sliding holes are formed in the left side and the right side of the spring support correspondingly. The surface of the spring bolt blocking rod is fixedly connected with a connecting ring located in the spring support. According to the utility model, the ring main unit, the rotating cabinet lock, the spring bolt and the interlocking mechanism are used in cooperation, so that the problem that the safety of maintainers cannot be ensured because the existing ring main unit is not provided with an interlocking s