Protective energy-saving cover of pressure cooker

Abstract

The invention provides a protective energy-saving cover of a pressure cooker.The protective energy-saving cover comprises a casing 2 which is arranged on a cooker cover 1 in a sleeving mode and composed of a shell 3 and a side enclosing sleeve 4.The shell 3 and the side enclosing sleeve 4 are made of plastics.The side enclosing sleeve 4 and the shell 3 are closely matched, and the side enclosing sleeve 4, the shell 3 and the cooker cover 1 are sealed.The shell 3 is provided with a clearance hole 22, a valve position hole 21 and other receding hole grooves, and the lower end faces of the clearance holes are sealed in the surface of the cooker cover 1.The casing 2 and the cooker cover 1 form a sealed cavity 23.The peripheral edge of the upper end of the valve position hole 21 is not higher than the lower edge of a cap hole 12.A gap exists between the lower end face of the valve position hole 21 and the surface of the cooker cover 1.The side enclosing sleeve 4 is provided with a discharge port 41.The inner side wall of the shell 3 is provided with a lining 5 made of foaming plastic.The protective energy-saving cover covers the pressure cooker cover in a matched mode for use, has the safety protection function and the energy-saving and heat-preserving effects, can bring convenience for cooking use of the pressure cooker, is beneficial to energy conservation and emission reduction, and has application and popularization value.

Description

[0001] This application is a divisional application whose application number is 201110258670X, the application date is September 5, 2011, and the invention name is a protective energy-saving cover for cooking pressure cooker. technical field [0002] The invention relates to a protective energy-saving cover for a cooking pressure cooker. Background technique [0003] Most of the cooking pressure cookers used by the public on gas stoves or induction cookers (hereinafter referred to as: pressure cookers or ordinary pressure cookers) are mostly made of aluminum alloy or stainless steel, which brings many conveniences to people's lives. Compared with automatic electric pressure cookers, ordinary pressure cookers In the cooking process, the firepower can be adjusted at any time at will, which has certain advantages in use. However, the metal surface of ordinary pressure cooker has a large exposed area, especially the pot lid of the pressure cooker. Except for a small part covered...

AI Technical Summary

Problems solved by technology

However, the metal surface of ordinary pressure cooker has a large exposed area, especially the pot lid of the pressure cooker. Except for a small part covered by the handle of the pot cover, most of the metal surface is exposed. During the cooking process, the exposed pot cover surface is at a relatively high temperature. state, and because of its high surface temperature, when the human body accidentally touches it, it is easy to be scalded or scalded; the more obvious disadvantage is that in the process of cooking in a pressure cooker, no matter whether a gas stove or an induction cooker is used, the temperature of the high-temperature pressure cooker The lid of the pot is always in a state of radiating heat outward, and because of its high surface temperature, large exposed area, and a lot of heat loss, especially in winter when the ambient temperature is low, the temperature difference between the lid and the surrounding environment is large, and the heat dissipation is faster and the loss The heat is more, which is not conducive to energy saving when cooking, and is also not conducive to the heat preservation of the pressure cooker after stopping cooking and heating.

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