Hinge with self-closing function

By adopting a simple structure self-closing component and connector design in the hinge, the problems of complex structure and poor usage experience of the existing hinge are solved, and a low-cost and efficient self-closing function is achieved.

CN119711859APending Publication Date: 2025-03-28WUXI HAIDAER PRECISION SLIDES CO LTD
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Patent Information

Application Number
CN202411947111.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-09-30
Filing Date
2024-12-27
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing hinge structure with large opening and self-closing function is complex. When entering the self-closing stage, it requires a large external force, and there is a clear sense of force imposition, which has a poor user experience.

Method used

The hinge design is adopted including door support, cabinet support, connector and self-closing assembly. The self-closing assembly is composed of a drive member, a guide member, and an elastic member. The self-closing function of the hinge is realized through the cooperation of the holding surface, groove, convex teeth and guide groove.

Benefits of technology

It realizes a self-closing functional hinge with a simple structure, small external force requirements and good use experience, reducing the cost and complexity of the hinge and improving the comfort of use.

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Abstract

The invention discloses a hinge with a self-closing function, and belongs to the field of hinges, the hinge comprises a door support, a cabinet support, four connecting pieces and a self-closing assembly, a driving piece is rotatably mounted on a second connecting piece, a guiding piece is movably mounted on a fourth connecting piece, a guiding column is located in a guiding groove, and two ends of an elastic piece are connected with the fourth connecting piece and the guiding piece respectively; when the hinge is in an open state, the guide column of the second connecting piece abuts against the end of the guide groove so that the elastic piece can be kept in a stretching state. When the hinge moves from the open state to the critical state, the driving piece abuts against the abutting face to drive the guiding piece to move relative to the fourth connecting piece till the driving piece abuts against the protruding teeth. When the hinge moves from a critical state to a closed state, the driving piece crosses the convex teeth to fall into the groove, the elastic force of the elastic piece drives the hinge with the self-closing function to move to the closed state, the abutting face, the groove, the convex teeth and the guide groove are integrated on one part of the guide piece, the number of hinge parts is small, the overall structure is simple, and the size is small.
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