Vehicle-mounted frequency conversion controller convenient to assemble

The utility model discloses a vehicle-mounted variable-frequency controller convenient to assemble, which belongs to the technical field of vehicle-mounted variable-frequency controllers and comprises a mounting seat, a controller shell is placed on the mounting seat, a shell cover is arranged at the top of the controller shell, and four mounting bayonet sockets are arranged on the mounting seat. The four installation plugging seats are provided with installation plugging grooves, and one side of the controller housing is fixedly connected with two fixed plugging blocks. According to the utility model, through the cooperative use of the mounting socket, the mounting slot, the fixed insertion block, the clamping seat, the spring, the extrusion plate and the latch plate, the end parts of the fixed insertion block and the latch plate are inserted into the mounting slot, so that the controller shell is mounted on the mounting seat; and the shell cover is mounted on the controller shell through the matching betwee