Inner cover assembly preventing air leakage of sealing ring, upper cover structure of electric rice cooker and electric rice cooker

By optimizing the sealing ring structure of the inner lid assembly of the rice cooker and adopting an arc-shaped sealing skirt and pressure ring fixing design, the problem of poor sealing has been solved, achieving efficient sealing and safe use of the rice cooker.

CN224330809UActive Publication Date: 2026-06-09HANGZHOU YONGYAO TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU YONGYAO TECH
Filing Date
2025-06-26
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The existing sealing ring design of the inner lid assembly of rice cookers results in poor sealing between the sealing skirt and the side of the inner lid, which can easily create gaps, leading to steam leakage, affecting cooking performance and service life, and posing a safety hazard.

Method used

Design an inner cover assembly to prevent air leakage of the sealing ring. It adopts an arc-shaped, upward-curving sealing skirt with a thickness that gradually decreases from the fixed end to the sealing end. The sealing end is bent downward to fit the mounting surface and is fixed by a pressure ring. Combined with the inner cover fixing frame, it ensures a stable connection and forms a double sealing structure.

Benefits of technology

It effectively prevents steam leakage, maintains stable pressure and temperature inside the pot, improves cooking efficiency, avoids undercooked food and component damage, and extends the lifespan of the rice cooker.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224330809U_ABST
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Abstract

The utility model relates to the field of kitchen small household electrical appliances, and specifically discloses an inner cover assembly preventing air leakage of a sealing ring, an upper cover structure of an electric rice cooker and the electric rice cooker, wherein the inner cover assembly comprises a cover plate and a sealing ring for sealing a pot opening of an inner pot of the electric rice cooker, the cover plate has an annular mounting surface extending in the up-down direction, the sealing ring is fitted on the mounting surface and has a fitting surface attached to the mounting surface, an arc-shaped sealing skirt is arranged on the fitting surface and is raised upward, the sealing skirt has a fixed end and a sealing end, and the thickness of the sealing skirt gradually decreases from the fixed end to the sealing end, and in the fitting state, the sealing end of the sealing skirt is bent downward and attached to the mounting surface. The sealing skirt can better adapt to the shape of the mounting surface during assembly and reduce the generation of gaps.
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