A circuit breaker nozzle and contact system
By integrating the nozzle and guide ring into a single design and using an assembled active contact structure, the problem of poor connection stability between the nozzle and guide ring in the circuit breaker contact system is solved, thereby improving the reliability and safety of the circuit breaker.
CN224400352UActive Publication Date: 2026-06-23XIAN XD SWITCHGEAR ELECTIC CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAN XD SWITCHGEAR ELECTIC CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-06-23
Smart Images
Figure CN224400352U_ABST
Abstract
This utility model belongs to the field of circuit breakers and discloses a circuit breaker nozzle and contact system, including a nozzle body and a guide ring integrally formed. One end of the nozzle body is connected to the moving main contact, and the other end is connected to the guide ring. The guide ring cooperates with the guide rail of the stationary main contact to control the movement trajectory of the nozzle body. This nozzle, through its integral forming design, eliminates the threaded connections and snap-lock anti-loosening structures of traditional split assemblies, fundamentally preventing the risk of detachment caused by high operating temperatures and material aging. This structure ensures that the nozzle body and the guide ring form a rigid whole, enhancing mechanical stability and resistance to deformation, thereby solving the technical problems of poor structural stability and easy detachment of components, and improving the reliability and safety of the circuit breaker in long-term complex operating environments.
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