Rotary air filter convenient to install

The utility model belongs to the technical field of filters, and particularly relates to a convenient-to-install rotary air filter which comprises a fixing seat, a filter element shell and a fixing mechanism, one end of the filter element is fixedly connected to the fixing mechanism; the fixing mechanism is arranged in the fixing seat; the fixing mechanism is composed of a connecting piece, a circular plate and a limiting plate. The connecting sheet is fixedly connected to the outer end of the circular plate; the limiting plate is fixedly connected to the front end of the circular plate; the filter element shell is clamped between the limiting plate and the circular plate through manpower, primary limiting of the filter element shell is achieved, then the power assisting frame is locked to the limiting plate through the external bolts, further limiting of the filter element shell is achieved, the power assisting frame and the limiting plate are clamped during installation, manual installation of the filter el