Fastener for mounting automotive trim

By setting up anti-loosening mechanisms in the cavity on both sides of the nuts of the car interior fastener, and using a flat-line screwdriver to rotate the full-threaded screw to push the moving plate and the fixed column, the problem of vibration loosening of traditional fasteners is solved, and the connection stability and anti-loosening effect are significantly improved.

CN222650332UActive Publication Date: 2025-03-21JIAXING BOYU METAL CO LTD
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Patent Information

Application Number
CN202421533934.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-29
Publication Date
2025-03-21
Estimated Expiration
2034-06-29

AI Technical Summary

Technical Problem

Traditional car interior fasteners loosen due to vibration and impact during the car driving, resulting in unstable or falling off the interior parts, affecting the safety and ride comfort of the car.

Method used

A fastener for automotive interior installation is designed. By setting up a loosening mechanism in the cavity on both sides of the nut, a flat screwdriver is used to rotate the full threaded screw, and the moving plate and the fixed column are moved inward, enhancing the connection stability between the nut and the screw part and preventing loosening due to vibration.

Benefits of technology

It effectively enhances the connection stability between the nut and the screw part, prevents the nut from rotating due to vibration, significantly improves the anti-loosening effect, and ensures the stability of the interior parts and ride comfort.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a fastener for mounting automotive trim, which comprises a bolt and a nut, the bolt comprises a screw portion and a knob portion, the nut is in threaded fit with the screw portion, two sides of the nut are respectively provided with a cavity, an anti-loosening mechanism is arranged in each cavity, each cavity comprises a through hole, an inner cavity and a threaded hole which are communicated with one another, and the threaded holes are communicated with the through holes. The anti-loosening mechanism comprises a movable plate, a spring, a fixed column and a full-thread screw rod; the moving plate and the spring are arranged in the inner cavity, the inner side of the moving plate is fixedly connected with a fixing column, and the fixing column is in clearance fit with the through hole; and the spring is arranged on the outer side of the fixing column in a sleeving mode, the two ends of the spring are fixedly connected with the movable plate and the inner wall of the inner cavity correspondingly, and the threaded hole is in threaded connection with a full-thread screw. The anti-loosening mechanisms are arranged in the cavities on the two sides of the nut, so that the nut can be prevented from rotating due to vibration, and the anti-loosening effect is improved.
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