An installation structure of arc extinguishing magnetic steel and a relay

CN224696704UActive Publication Date: 2026-08-28长沙中坤电子科技有限责任公司
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Patent Information

Application Number
CN202521774654.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-20
Publication Date
2026-08-28
Estimated Expiration
2035-08-20

AI Technical Summary

Technical Problem

可见,该继电器的灭弧磁钢与触头组件分属两个独立零件(外壳与基座),位置关联性差;灭弧磁钢安装槽的过盈量难以控制:过盈量不足 →灭弧磁钢易脱落(尤其外壳开口朝下装配时);过盈量过大→装配阻力大,良品率低;缺乏绝缘隔离设计,触头组件与灭弧磁钢间电气间隙不足,存在绝缘风险

Benefits of technology

(1)本实用新型通过将灭弧磁钢安装槽直接集成于基座(在触头容纳腔两侧设置开口向上的安装槽),取消独立灭弧磁钢架结构,减少零件数量,使继电器内部布局更紧凑;灭弧磁钢与动静触头组件的相对位置由单个基座完成设定,提升结构一体性,避免多零件装配导致的累积误差。

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Abstract

The utility model discloses an installation structure of arc extinguishing magnetic steel and relay relates to relay technical field. The relay includes base, dynamic / static contact subassembly, arc extinguishing magnetic steel and shell. The core improvement lies at: the contact receiving cavity of base is equipped with the arc extinguishing magnetic steel installation slot of opening to the side, and the arc extinguishing magnetic steel directly inserts into the slot, and the relative position of contact subassembly is set through single base integration, the sidewall of arc extinguishing magnetic steel installation slot is higher than arc extinguishing magnetic steel to enhance the insulation performance between contacts, and the inside of shell is equipped with blocking rib and limits magnetic steel to come out. Simplify the assembly process, improve structural stability and space utilization, and be applicable to automation production.
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