A magnetic attraction buckle with multi-stage matching structure

By designing a multi-level mating structure for the anti-side-pull magnetic buckle, and utilizing the combination of mating end posts, mating convex rings, and mating buckle beads for positioning, the problem of poor anti-side-pull effect of existing magnetic buckles is solved, and stronger anti-side-pull performance is achieved.

CN224344413UActive Publication Date: 2026-06-12JIAXING TIANJUMEI INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIAXING TIANJUMEI INTELLIGENT TECH CO LTD
Filing Date
2025-08-28
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

The existing anti-slip magnetic buckle has a smooth hole structure for the female buckle through hole, and the locking force between the limiting ring and the female buckle through hole is small, resulting in poor anti-side pull effect.

Method used

Design a magnetic snap fastener with a multi-level mating structure to resist lateral pull, including a male snap fastener assembly and a female snap fastener assembly. The mating end post is inserted into the mating snap fastener eye, the mating convex ring is nested into the mating recess, and the mating snap bead cooperates with the mating convex ring. The axial attraction and mechanical interlocking of the magnetic ring are used to resist lateral pull.

Benefits of technology

It achieves excellent lateral stability and anti-lateral pull performance. Through the multi-level mating structure, it effectively constrains displacement, disperses and resists external forces, and enhances the anti-lateral pull effect of the magnetic buckle.

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Abstract

This invention proposes a lateral pull-resistant magnetic snap fastener with a multi-level mating structure, comprising a male snap assembly and a female snap assembly. The male snap assembly has a male snap magnetic ring and a mating end post, while the female snap assembly has a female snap magnetic ring and a mating eyelet. The female snap assembly also has a mating convex ring, and the male snap assembly has a mating recess. The mating end post has a mating bead at its end. The mating end post of the magnetic snap fastener is inserted into the mating eyelet to form initial radial positioning, effectively constraining basic displacement. The mating convex ring is nested into the mating recess, forming a deep nest, which converts lateral force into compressive stress on the annular structure, thereby dispersing and resisting external force. The diameter of the mating bead is larger than the diameter of the mating end post, allowing it to cooperate with the mating convex ring. When subjected to lateral tension, the outer wall of the bead forms a rigid mechanical interlock with the inner side of the mating convex ring. Combined with the axial attraction of the male and female snap magnetic rings, this resists lateral tension and achieves excellent lateral stability.
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