A door opening and closing mechanism

By designing a door opening and closing mechanism that includes a hinge structure, an electric push rod, and a push head, the problems of traditional door opening and closing mechanisms relying on manual operation and electric push rod self-locking are solved, realizing flexible switching between manual and electric modes and improving ease of use.

CN224338804UActive Publication Date: 2026-06-09SHANGHAI ZHIYIN IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI ZHIYIN IND CO LTD
Filing Date
2025-07-01
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Traditional door opening and closing mechanisms rely on manual operation, which prevents the hands from being freed up to do other things, and there is also the problem of self-locking of the electric push rod.

Method used

A door opening and closing mechanism including a hinge structure, an electric push rod, a push head, and a spring component was designed to enable flexible switching between manual and electric working modes. Through the combination of the hinge structure and the electric push rod, the furnace door can be opened and closed automatically, and self-locking is avoided in electric mode.

Benefits of technology

It enables automatic opening and closing of the furnace door, overcomes the inconvenience of single manual operation of traditional door opening and closing mechanisms, provides flexible working mode switching, avoids the self-locking problem of electric push rods, and improves ease of use.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224338804U_ABST
    Figure CN224338804U_ABST
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Abstract

The utility model discloses a switch door mechanism, it is installed on the microwave oven, and the microwave oven includes furnace body, the bottom plate for supporting furnace body and stove door. The aforementioned mechanism includes the connecting seat fixedly installed on the bottom plate, the hinge structure installed on the stove door, the electric push rod at the side of hinge structure back to the stove door, the push head installed between hinge structure and electric push rod and the spring piece installed between hinge structure and connecting seat. The hinge structure includes fixed seat II, fixed seat I is hinged to fixed seat II and is fixed with stove door, connecting rod spare is hinged to fixed seat I, and connecting rod seat is hinged to connecting rod spare. The utility model overcomes the inconvenience of the single mode of traditional switch door mechanism depending on manual operation, and avoids the self-locking problem of electric push rod, realizes the flexible conversion use of two working modes of manual door opening and electric door opening.
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