一种隐藏式凹槽沉头螺钉

By incorporating a combination of Torx grooves and multiple cylindrical grooves within the screw, the problem of exposed grooves in Torx groove countersunk screws is solved, achieving a clean and aesthetically pleasing result for concealed groove countersunk screws.

CN224515611UActive Publication Date: 2026-07-17FOSHAN LIZHI INFORMATION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FOSHAN LIZHI INFORMATION TECHNOLOGY CO LTD
Filing Date
2025-07-21
Publication Date
2026-07-17

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Abstract

本实用新型涉及螺钉技术领域，具体为一种隐藏式凹槽沉头螺钉，包括螺钉，还包括：梅花槽，梅花槽开设有在螺钉的顶部，梅花槽的底部且位于螺钉内开设有第二凹台圆柱槽，第二凹台圆柱槽的底部且位于螺钉内开设有第三凹台圆柱槽，第三凹台圆柱槽的底部且位于螺钉内开设有第四凹台圆柱槽；梅花盖，梅花盖滑动安装在梅花槽内，本实用新型通过梅花槽、第二凹台圆柱槽、第三凹台圆柱槽、第四凹台圆柱槽、梅花盖、圆柱体、凹槽、滚花卡紧套管、弹簧和开口挡圈的设置，解决了梅花槽沉头螺钉，都是内凹槽是裸漏的，容易藏污纳垢，即使清洁后，也无法完全清洁完毕，导致工具无法进入使用。另外装配使用完后内凹槽裸漏不美观的问题。
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