Contact mechanism of circuit breaker

• Main Authors: LIN YIBO, ZHU LIHUA, HUANG FANGJI, HE MIANHUAI, WU KAI
• Format: Patent
• Language: Chinese; English
• Published: 28.05.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; RELAYS; SELECTORS

The utility model relates to a contact mechanism of a circuit breaker. The contact mechanism is characterized in that a moving contact assembly comprises a moving contact, a contact support and a reset elastic piece; an installation groove used for placing the moving contact is formed in the base, longitudinal long guide grooves are correspondingly formed in the two side walls of the installation groove, a rotating shaft matched with the long guide grooves in width is arranged at the rear end of the moving contact, the moving contact is correspondingly arranged in the installation groove, and the two ends of the rotating shaft extend into the long guide grooves. The moving contact can slide up and down and rotate relative to the base through the rotating shaft; the contact support is installed on the base in a vertically sliding mode, a pressing plate is arranged on the side wall of the contact support, and the pressing plate extends to the position above the moving contact. The reset elastic piece is connect