Rotatory formula control box of opening

The utility model discloses a rotatory formula control box of opening, it is including being used for installing the bottom plate of circuit board, the bottom plate is formed with the amalgamation of medium plate looks vertically curb plate by medium plate and two and the cross -section is the U type, and the control box is still including being fixed in the tip baffle at the both ends of bottom plate, the tip baffle with the non -operculate box of bottom formation, wherein one the hinge has the apron on the curb plate, the apron the rotation axis with the length direction of control box parallels. The utility model discloses to lap to rotate and connect on the bottom plate, and when overhauing, only need to rotate and open the apron and just can overhaul, need not demolish or the maintainer is being lifted and is lapped with the circuit, it is very convenient.