Heating heat preservation water -jug

The utility model relates to a container technical field, the heating heat preservation water -jug of the in particular to novel functional polymer material of application, including body, interior stopper, inner cup and enclosing cover, be provided with the inner core in the body, it has the insulating layer to fill between body and the inner core, the body upper end forms the bottleneck with the inner core intercommunication, interior stopper peg graft in be provided with beyond the great wall including, on the bottleneck with the terminal surface of the opening -for -drinking of bottleneck intercommunication stopper including, with the inner cup is connected, states the inner cup and is provided with the sealed post that is used for airtight opening -for -drinking, and the enclosing cover is inside to be provided with two vertical elastic components, forms between the elastic component to be used for the parcel the cavity of inner cup, the lower extreme of elastic component with the body joint, the upper e