Sealing and automative ash-taking off device for gas generating stove

The utility model relates to a sealing and automatic ash-taking off device for a gas generating stove. The utility model comprises an ash tray, a gear, a flange, an ash blocking ring, a sealing seat and an ash storage hopper, a stuffing box, an oil cylinder bracket and an oil cylinder, and a valve rod, wherein, the ash tray is arranged on a chassis; the gear is connected with the ash tray; the flange is connected with a jacket of a gas stove; the ash blocking ring is used for fixedly connecting the flange; the sealing seat and the ash storage hopper are connected with an ash outlet on the chassis; the stuffing box is fixedly connected to the jacket; the oil cylinder bracket and the oil cylinder are fixedly connected to the chassis; the valve rod is sheathed in the stuffing box, and is connected with a distributor and a piston rod of the oil cylinder. The device cam take off ash without stopping a stove, and therefore, the utility model has the advantages of increased effective gas making time, increased device efficiency, reliable sealing, no leakage, no raw material waste, convenient operation and maintenance, and long service life.