Anti-skid and anti-seismic locking nut

By designing anti-slip and shock-resistant locking nuts, the combination of pieced internal threaded sheets, spring steel balls, elastic airbag rings, flanges and locking screws is solved, and the existing locking nuts have reduced self-locking reliability and poor anti-slip performance in vibrating environments are achieved, achieving stable anti-slip locking effect and improved shock-resistant and anti-slip performance.

CN222687078UActive Publication Date: 2025-03-28JIAXING YUFENG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202420866530.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-03-28
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The existing locking nuts have reduced self-locking reliability in vibrating environments, and have poor anti-slip performance, which is easy to slide and loose, posing a safety hazard.

Method used

An anti-slip and shock-resistant locking nut is designed to shrink and tighten the bolts through the inner threaded piece at the bottom and the spring steel balls in the shrink ring groove, and seal the bolts through the elastic airbag ring on the top to prevent slip. At the same time, the anti-slip concave and convex surfaces under the bottom flange are coupled with the locking screws for anti-slip braking to prevent vibration from loosening.

Benefits of technology

It achieves a stable anti-slip locking effect, effectively preventing the vibration and loosening of the locking nut, improving the anti-slip performance, and enhancing safety.

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Abstract

The utility model discloses an anti-skid anti-seismic locking nut which comprises a nut body, a threaded hole, a limiting ring groove, an elastic air bag ring, a reducing ring groove, a fragmented internal threaded piece, a spring steel ball, a flange plate, an anti-skid concave-convex surface and a locking screw. The locking nut can contract and hold a bolt installed in the threaded hole through the cooperation of the fragmented inner threaded piece at the bottom and the spring steel ball in the reducing ring groove, and meanwhile, the locking nut is matched with the elastic air bag ring at the top to seal and prevent sliding of the bolt, and the anti-sliding locking effect is stable; and the anti-skid concave-convex surface below the bottom flange plate is matched with the locking screw for anti-skid braking, so that vibration loosening of the locking nut is effectively prevented, and the anti-seismic and anti-skid effects of the locking nut are improved.
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