Mechanical interlocking mechanism of VCS disconnecting switch box

The utility model relates to a mechanical interlocking mechanism, in particular to a mechanical interlocking mechanism of a VCS disconnecting switch box. The mechanical interlocking mechanism comprises a support, a rotating clamping piece, a locking buckle and a clamping pin, wherein a through hole is arranged on the upper left of the support, and a long blind hole is arranged in the middle thereof and provided with a rotating slide rail; a clamping slot is arranged on the upper right of the rotating clamping piece, and a slip sheet is arranged on the upper left thereof, and a square hole is arranged thereunder; the upper end of the clamping pin is provided with a short blind hole, and the middle thereof is provided with the chute; the locking buckle is respectively provided with a connecting shaft corresponding to the through hole on the support and a clamping shaft corresponding to the clamping slot on the rotating clamping piece; a spring and the clamping pin are arranged in the long blind hole of the supp