Jacking-in type bag filter

The utility model discloses a push-in type bag filter, which relates to the technical field of filters and comprises a body, a top cover rotatably connected to the bottom of the body, a bolt connecting piece arranged between the body and the top cover, a liquid inlet arranged on one side of the top of the body, a first hook fixedly connected to the bottom of a filter bag, and a snap ring fixedly connected to the top of the filter bag. A lifting handle is fixedly connected between the clamping rings, and the clamping rings make contact with the ejector block. When the top cover is opened, the telescopic column in the top block does not bear the extrusion force of the top cover any more, air in the top block can eject the telescopic column upwards, so that the filter bag can be upwards extruded out of the top of the filter barrel, the filter bag can be conveniently taken out through a handle, and the filter bag can be conveniently taken out through the cooperation of the first hook and the second hook. When the