A bolt lock washer assembly
By setting anti-loosening sleeves on the outside of the bolts and locking blocks and spring structures on the inside, combined with the design of inclined blocks and top pins, the problem of easy bolt loosening is solved, achieving a more efficient anti-loosening effect and improving the stability of the furniture.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LINYI SHENGTAI PRECISION MASCH CO LTD
- Filing Date
- 2025-08-20
- Publication Date
- 2026-06-09
AI Technical Summary
Existing bolt installation methods are prone to loosening, causing furniture to wobble, and existing anti-loosening measures are generally ineffective.
A bolt anti-loosening sleeve assembly was designed, including a bolt, an anti-loosening sleeve, a hollow shell, a locking block, and a spring. By setting the anti-loosening sleeve on the outside of the bolt and setting the spring-supported locking block inside the hollow shell, the locking block is locked into the bolt groove under the action of elastic force. Combined with the squeezing force of the inclined block and the top pin, the anti-loosening effect of the bolt is enhanced.
It effectively improves the anti-loosening ability of bolts, enhances the interlocking force between bolts and wooden workpieces, reduces bolt loosening, and improves the stability of furniture.
Smart Images
Figure CN224339308U_ABST