Circuit Breaker Interlock Assembly

Abstract

An interlocking assembly of a circuit breaker, which is arranged in an energy storage operating mechanism of a circuit breaker, and includes an interlock guide rod, a closing guide rod, and an energy storage indicator. The energy storage operating mechanism of the circuit breaker includes a The control assembly and the rotating shaft assembly for driving the closing and opening. The middle part of the interlock guide rod is rotatably installed on the energy storage operating mechanism, one end of the interlock guide rod is a limit part corresponding to the rotating shaft assembly and the energy storage indicator, and the other end of the interlock guide rod is connected to the closing The guide rod contacts the drive portion of the connection. The rotating shaft assembly and the energy storage indicator can be in contact with the limit part of the interlock guide rod so that the interlock guide rod acts on the closing guide rod. When the energy storage operating mechanism is in the state of opening and storing energy, the drive of the interlock guide rod The closing interlocking part of the non-limiting closing guide rod. The invention provides a circuit breaker interlock assembly with accurate installation, stable matching and compact structure.

Description

technical field [0001] The invention relates to the field of low-voltage electrical appliances, in particular to a circuit breaker interlock assembly. Background technique [0002] At present, the operating mechanism of the molded case circuit breaker is usually a manual paddle type. If the user needs electric operation, an external electric operation accessory is often provided to install outside the circuit breaker to realize the function of electric and remote control of the circuit breaker. However, for large-capacity molded case circuit breakers, the accessories of the external operating mechanism often have a large volume and weight, and thus have high requirements for installation quality, especially when the operating mechanism is matched with the circuit breaker body. Shock vibration is likely to cause failure of key parts such as the circuit breaker housing and locking device, resulting in failure. Therefore, the existing accessories of the external operating mech...

AI Technical Summary

Problems solved by technology

The operating mechanism has the same installation method and tripping position as the manual paddle operating mechanism, which realizes interchangeability with the manual paddle operating mechanism, meets the needs of different users, and can overcome the need for the manual paddle operating mechanism to be equipped with external electric accessories The disadvantages of bulky, heavy, high cost and poor reliability of type circuit breakers

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