Leaker cleaning-free device

The utility model relates to the technical field of funnel maintenance, in particular to a funnel cleaning-free device which comprises an annular table detachably connected to the top end of a funnel and a plurality of supporting plates fixedly connected to the inner side of the annular table in the circumferential direction, the supporting plates are all located on the inner side of the top end of the funnel, and the end faces of the bottom ends of the supporting plates and the end face of the bottom end of the funnel are located on the same plane. Rubber sheets are fixedly connected between the supporting plates, the top end faces of the rubber sheets are fixedly connected with the side wall of the inner side of the annular table, and the bottom end faces of the rubber sheets and the bottom end faces of the supporting plates are located on the same plane; each reciprocating assembly comprises a fixing plate detachably connected with the inner wall of the funnel and a plurality of first springs fixedly conne