Iron core structure of voltage transformer

The utility model relates to the technical field of electric power equipment, and discloses a voltage transformer iron core structure which comprises a first iron core part and a second iron core part, the first iron core part and the second iron core part are both semicircular, a second rectangular block is fixedly connected to the wall face of one side of the first iron core part, and a second rectangular block is fixedly connected to the wall face of the other side of the second iron core part. A first rectangular block is fixedly connected to the wall face of one side of the second iron core component, the first rectangular block and the second rectangular block are in a mutually-crossed state, and a clamping mechanism is arranged at the other ends, close to each other, of the first iron core component and the second iron core component. By arranging a first rectangular block, a second rectangular block and a long rod, the first iron core part and the second iron core part can be conveniently rotated, a c