Circuit breaker operating mechanism and circuit breaker
A technology of operating mechanism and circuit breaker, applied in the direction of protection switch operation/release mechanism, etc., can solve the problems of many force-applying parts and high production cost, and achieve the effect of reducing force-applying parts, reducing assembly accuracy and reducing production cost
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[0038] This embodiment provides a circuit breaker, which is provided with a circuit breaker operating mechanism, such as Figure 1-3 As shown, it includes drive assembly, moving contact 2, bias 4, lock 3, and safety actuation assembly.
[0039]The drive assembly includes a handle 5 and a push rod 6. The handle 5 is rotatably mounted on the housing 1. The push rod 6 is a U-shaped rod, one end of which is connected to the handle, and the other end is drivingly matched with the moving contact 2. The drive assembly is used for Drive the moving contact 2 to overcome the bias force of the biasing member 4 to move from the opening position to the closing position, and keep it at the closing position. The push rod 6 is made of non-metallic material or a metal material with an insulating surface. It also includes a return spring (not shown in the figure) used to reset the push rod 6. One end of the return spring is fixedly connected to the housing, and the other end is connected to the...
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