A kind of pressure cooker provided with opening and closing lid protection safety device

Abstract

The invention discloses a pressure cooker with a cover-opening-closing protecting safe device. The pressure cooker comprises a steel cover, a plastic face cover, a cooker body, a ball float valve, a lower cavity formed in a top plate of the steel cover and provided with an upper opening, an upper cavity formed in the plastic face cover and provided with a lower opening, a connecting plate, a push rod and a push rod spring, and a containing cavity is formed by the upper cavity, the lower cavity and the circumferential wall of the steel cover. The pressure cooker further comprises a driving rod, a reset spring, a pivot joint base and a driven buckling plate, and the driven buckling plate comprises a driving end, a pivot joint part and a buckling plate part; the pivot joint base is fixed in the containing cavity, and the buckling plate part and a driving part of the connecting plate are buckled; the driving rod is fixed onto the driving end of the driven buckling plate and matched with a driving guiding hole in the steel cover. As the structure is adopted, after the cooker cover and the cooker body are buckled, when the cooker cover is not rotated to be in place, the top of a float is sheltered with a driven part of the connecting plate, and the float is prevented from rising when the pressure in the cooker is higher than the atmospheric pressure; it is guaranteed that the cooker cover and the cooker body are buckled to be in place, and potential safety hazards are eliminated.

Description

technical field [0001] The invention relates to an electric pressure cooker, in particular to an opening and closing lid protection safety device for the pressure cooker. Background technique [0002] In the current prior art, a pressure cooker includes a steel cover, a plastic surface cover, a pot body, a float valve, a lower cavity with an upper opening on the top plate of the steel cover, and an upper cavity with a lower opening on the plastic surface cover. , connecting plate, push rod and push rod spring, the upper cavity, the lower cavity and the circumferential wall of the steel cover form the accommodating cavity; the connecting plate includes the driving part and the driven part, and there is a through hole on the driven part; the top of the upper cavity There is a through hole on the wall, and a sleeve is arranged at the lower end of the through hole; there is a float valve installation hole on the bottom plate of the lower chamber of the steel cover, and the throu...

AI Technical Summary

Problems solved by technology

The problem is: after the lid and the pot body are fastened together, when the hot water in the pot is under pressure, the float of the float valve rises and seals, and the lid cannot be fully closed, resulting in a potential safety hazard

Images