Patent ID: 8777038

Claim:
An air relief valve structure of a pressure cooker, with the pressure cooker including a cooker body and a lid covered onto the cooker body, with the lid including a containing trough and an air relief valve installed at the containing trough, and with the air relief valve comprising: a middle column having a containing space formed therein, and at least one air relief hole and a through hole formed on an outer wall of the middle column and interconnected with the containing space; an airtight column installed in the containing space and having an end column defined at an end of the airtight column and disposed adjacent to an inner wall of the middle column, with the end column having a diameter equal to a diameter of the containing space of the middle column; an elastic element sheathed on the airtight column and abutting the end column; and a gravity valve installed at the top of the middle column and coupled to the airtight column.