Elastic buckle kettle

The utility model relates to an elastic buckle kettle. Wherein the upper end of the kettle body is open, the cover body is detachably connected to the upper end of the kettle body, and the flip covercovers the cover body and is rotationally hinged to the cover body. Wherein a straw mechanism and a pressure relief mechanism are arranged on the cover surface of the cover body, and the pressure relief device is characterized in that the pressure relief mechanism comprises an elastic deformable pressure relief valve, a layer of pressure relief diaphragm arranged in the pressure relief valve, anda pressure relief opening formed in the pressure relief diaphragm; the edge, close to the pressure relief mechanism, of the cover body is provided with a pressing mechanism used for horizontally pushing the pressure relief valve and enabling the pressure relief opening to deform to relieve pressure and exhaust air. The pressure relief device is provided with a pressure relief valve, a pressure relief diaphragm and a pressu