Switchgear

A switchgear which executes a closing operation to bring an electric circuit from an open state to a closed state and an opening operation to bring the electric circuit from the closed state to the open state, the switchgear comprising:

• an airtight container;
• a first contact part housed inside the airtight container;
• a second contact part installed in line opposite the first contact part inside the airtight container;
• an operating mechanism for driving the first contact part to make the first contact part approach the second contact part when executing the closing operation and make the first contact part separate from the second contact part when executing the opening operation;
• and
• a transmitting mechanism for transmitting a driving force of the operating mechanism to the second contact part through the first contact part to make the second contact part approach the first contact part when executing the closing operation and make the second contact part separate from the first contact part when executing the opening operation, wherein
• the transmitting mechanism has:
• a reversing lever including a reversing lever one end part, a reversing lever other end part located opposite the reversing lever one end part, and a reversing lever fulcrum part located between the reversing lever one end part and the reversing lever other end part;
• a first connecting link including a first connecting link one end part and a first connecting link other end part located opposite the first connecting link one end part;
• a fulcrum lever including a fulcrum lever one end part and a fulcrum lever other end part located opposite the fulcrum lever one end part,
• a second connecting link including a second connecting link one end part and a second connecting link other end part located opposite the second connecting link one end part;
• and
• a conversion lever including a conversion lever one end part, a conversion lever other end part located opposite the conversion lever one end part, and a conversion lever fulcrum part located between the conversion lever one end part and the conversion lever other end part;
• wherein
• the reversing lever one end part is rotatably connected to the second contact part,
• the reversing lever other end part and the second connecting link one end part are rotatably connected,
• the second connecting link other end part is rotatably connected to the conversion lever fulcrum part,
• the conversion lever other end part and the first connecting link other end part are rotatably connected,
• the first connecting link other end part is rotatably connected to the first contact part,
• the conversion lever one end part is rotatably connected to the airtight container,
• the fulcrum lever one end part is rotatably connected to the airtight container, and
• the fulcrum lever other end part is rotatably connected to the reversing lever fulcrum part.