Switch cabinet with function of flexibly adjusting cavity space

The utility model relates to the field of electrical equipment, in particular to a switch cabinet with a function of flexibly adjusting cavity space, which comprises fixing blocks on two side walls of an inner cavity of a switch cabinet body and a support plate detachably arranged between two adjacent fixing blocks, and the support plate can be vertically adjusted and fixed relative to the cabinet body. The switch cabinet is simple in structure and suitable for installation of equipment or components of different sizes, later maintenance of the equipment or components in the cabinet and installation of switch parts are facilitated, the workload of workers is reduced, the heat dissipation effect of the switch cabinet is improved through cooperation of the filter screen and the heat dissipation holes in the supporting plate, and the service life of the switch cabinet is prolonged. The purpose of preventing electrical components from being damaged by moisture and too high temperature in the cabinet body is achie