Outdoor switch cabinet

The invention belongs to the technical field of switch cabinets, and particularly relates to an outdoor switch cabinet which comprises a semi-cylinder, a sliding groove is formed in the semi-cylinder, a mounting seat is arranged on the outer surface of the semi-cylinder, a stepped hole is formed in the mounting seat, a spring is arranged in the stepped hole, and the spring is fixedly connected with a sealing block assembled in the stepped hole in a sliding and sealing mode. The arc-shaped cover shell is provided with a lock hole matched with the lock piece, the two mounting plates are internally provided with springback mechanisms matched with the arc-shaped cover, a communication mechanism matched with the lock piece is assembled between the two air bags, and the protective cover shell is provided with a box door in a hinged mode. Under the condition that no extra electrical equipment is used, the arc-shaped cover automatically seals and shields a plurality of electrical equipment, the electrical equipment i