冷铆连接件

The cold riveting connector structure with interlocking conical surfaces solves the problems of existing riveting methods requiring special environments and having weak connections, achieving efficient and reliable connections at room temperature and improving connection strength and anti-loosening performance.

CN117212315BActive Publication Date: 2026-07-17JIAYUSHANYI TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIAYUSHANYI TECH CO LTD
Filing Date
2023-09-25
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing riveting methods require special riveting environments, resulting in weak connections and low riveting efficiency.

Method used

The cold-riveting connector structure, which uses interlocking conical surfaces, includes rivets, an outer conical cylinder, and an inner conical sleeve. It achieves self-locking and reliable connection through press riveting, avoiding high temperature conditions and high pressure. The toothed ring and conical design improve the connection strength and prevent loosening.

Benefits of technology

It achieves efficient and reliable connection at room temperature, without the need for high temperature conditions and high pressure. It has high connection strength, prevents loosening, and has high working efficiency, meeting the needs of green development.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开了一种冷铆连接件,包括铆钉,所述铆钉包括铆头和铆杆,所述铆头的直径大于所述铆杆的直径,所述铆头和所述铆杆的外圆周面均为上大下小的锥面;所述铆杆的外圆周面上设置有齿环,所述齿环沿所述铆杆的轴向间隔设置,所述齿环的外圆周面为上大下小的锥型,还包括:外锥筒,所述外锥筒为上小下大的锥型,所述外锥筒的上端部和下端部分别沿轴线方向设置有外锥筒开口槽,所述外锥筒开口槽可在外力的作用下向外扩张;内锥套,所述内锥套的内壁为与所述铆杆的外壁相配合的锥型,所述内锥套的外壁为与所述外锥筒的内壁配合的锥型。本发明连接牢固、不易失效且操作简单工作效率较高。
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