Safety protection box for direct current blocker

The utility model discloses a DC blocker safety protection box comprising a protection sleeve shell, the front surface of the protection sleeve shell is provided with a placement through groove, one side of the inner wall of the placement through groove is connected with a push connecting plate in a penetrating manner, the top end of the push connecting plate is fixedly provided with four support vertical plates, and a balance connecting rod is connected between every two opposite support vertical plates in a penetrating manner. And two U-shaped push plates are fixedly connected between the two balance connecting rods. According to the utility model, the direct current blocker to be installed is placed between the limiting pressing plate and the fixed clamping plate, and then the adjusting screw rod is rotated, so that the adjusting screw rod moves upwards to push the connecting plate to move upwards, and therefore, the U-shaped push plate can be pushed to move upwards through the supporting vertical plate an