Oil-gas recovery variable-frequency controller mounting box

The utility model discloses an installation box of an oil gas recovery frequency conversion controller. The packaging box comprises a box body and a box cover, the box body comprises a bottom plate, afront plate, a rear plate, a left plate and a right plate. Box cover comprises a cover plate, a front side plate and a rear side plate are arranged on the lower end surface of the cover plate; a first notch is formed in the front side plate; a second notch is formed in the rear side plate; a first bulge is arranged on the side surface of the front plate; a second bulge is arranged on the side surface of the rear plate; the first protrusion is attached to the side face, close to the right plate, of the first notch. The cover plate is provided with two first installation holes, the top end of the left plate and the top end of the right plate are each provided with a first installation plate in a protruding mode, the two first installation plates are each provided with a second installationhole, and the central axes