Reverse cleaning oil liquid filter with compact structure

The utility model discloses a compact-structure backwashing oil liquid filter, which comprises a barrel, a mounting disc is mounted on the outer wall of one end of the barrel through a bolt, a plug screw is mounted at the center of the outer wall of one side of the mounting disc through a bearing, a support is mounted at one end of the plug screw through a bolt, and support plates are welded on the outer walls of the two sides of the support. A brush adheres to the outer wall of one side of the supporting plate, the supporting plate of an annular structure is welded to the position, close to one end, of the inner wall of the side face of the barrel, a mounting ring is clamped into the supporting plate, and a filter element rotationally connected with the support is clamped into the mounting ring. When water is injected into the barrel through the water injection pipe for reverse cleaning, a worker can rotate the screw plug, so that the bracket drives the support plate to rotate, and the brush cleans the filte