An external lock device for a combination circuit breaker
CN224696693UActive Publication Date: 2026-08-28JIANGSU DAQUAN HIGH VOLTAGE SWITCH CO LTD
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Patent Information
- Application Number
- CN202522027089.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-22
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-22
AI Technical Summary
Technical Problem
[0004]断路器的机构面板需焊接螺纹柱，在焊接时因人工操作的不可控性，极易将螺纹柱焊歪斜，导致带孔弯板装配困难及装配后两块弯板孔位不同心圆柱销难以插入的问题，同时在机构面板丝网印刷时因螺纹柱的存在，导致难以平放、定位困难，同时在解锁后圆柱销需从弯板上取下，易丢失
Benefits of technology
1）本实用新型的外挂锁保护结构简单、装配简单、操作简单；
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224696693U_ABST
Abstract
The utility model discloses a kind of external lock device of combined circuit breaker, belong to electrical equipment-medium voltage switch technical field, the device is arranged on the panel of circuit breaker, including cylindrical pin and mounting seat, there is lock hole on the cylindrical pin, external lock is locked in the mounting seat by the lock hole with the cylindrical pin, the cylindrical pin covers circuit breaker earthing switch operating hole.The external lock protection structure of the utility model is simple, simple assembly, simple operation;The external lock protection structure of the utility model, after unlocking, lock piece does not need to take down, not easy to lose;Grounding switch operating hole is blocked using cylindrical pin, grounding switch cannot be operated without unlocking, and reliability is higher.
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