Plug-in circuit breaker

Abstract

The invention relates to a plug-in circuit breaker, which comprises a shell, a button mechanism and an operating mechanism, wherein the button mechanism is provided with a closing position and an opening position which correspond to the closing / opening state of the circuit breaker, the circuit breaker further comprises a linkage piece and a locking piece which are arranged in the shell, the linkage piece is provided with an abutting boss, and the locking piece is provided with a locking boss. According to the plug-in circuit breaker, when the button mechanism is located at the closing position, the abutting boss of the linkage piece extends out of the shell and is limited at the extending position by the button mechanism, so that the abutting boss cannot return into the shell; and when thebutton mechanism is in the opening position, the linkage piece returns into the shell, the locking boss of the locking piece extends out of the shell, and the locking boss of the locking piece can bepushed by retraction external force to return into the shell, so that closing plugging and unplugging can be reliably prevented, the risk of hot-line operation is avoided, and the circuit breaker canbe protected from falling out of a cabinet due to vibration in the processes of transportation and the like.

Description

technical field [0001] The invention relates to the technical field of low-voltage terminal appliances, in particular to a plug-in circuit breaker. Background technique [0002] With the rapid development of network communication technology, especially the popularization of 5G network applications, the requirements for circuit breakers to effectively improve the safety of electrical equipment are getting higher and higher. The traditional power supply method of using a terminal circuit breaker to connect many sockets and plugboards , has been far from meeting the requirements of safe electricity use and equipment protection. For example, terminal circuit breakers for 5G communication equipment not only need to be upgraded in terms of miniaturization, intelligence, reliability, and stability, but also are still in use. Many new matching structures have been developed on the Internet, for example, the circuit breaker is required to be as easy to plug in and out as a plug. This...

AI Technical Summary

Problems solved by technology

However, if the lateral force (component force) of the insertion and extraction force on the circuit breaker is large, if the force is borne by a part (or a point) of the circuit breaker, it is easy to cause deformation of the insertion receptor due to stress concentration, and the deformation It is directly related to the adaptation performance of the circuit breaker. Therefore, the mechanism design should use as little (preferably to avoid) the structure of the lateral force (component force), especially the structure that can amplify the lateral force (such as cone wedge, inclined plane, lever ), etc., but the existing technology is often not aware of this

Images