An operating mechanism for an electrical switch

Abstract

The present invention relates to an electrical switch, also known as a circuit breaker, in particular to an operating mechanism for closing or opening an operating switch in an electrical switch. The present invention is achieved through the following technical solutions: an operating mechanism for an electrical switch, characterized in that: an N-pole operating device is further arranged between the middle seat and the base of the electrical switch, and the N-pole operating device includes an N-pole operating device. A pole moving contact, a second tension spring, a connecting shaft and an interference pin, the connecting shaft is placed in the long hole above the middle seat of the electrical switch, the middle of the N-pole moving contact is provided with an arc-shaped contact surface, the contact The pin is arranged between the middle seat and the base of the electrical switch, and is arranged corresponding to the arc-shaped contact surface. One end of the second tension spring is connected to the connecting hole or the connecting boss, and the other end is connected to the middle seat or the base of the electrical switch. . By adopting the above solution, the present invention provides a novel operating mechanism for an electrical switch, which has a good voltage resistance effect when breaking, and is not easy to cause the product to burst.

Description

technical field [0001] The invention relates to an electrical switch, also called a circuit breaker, in particular to an operating mechanism for closing or disconnecting an operating switch in the electrical switch. Background technique [0002] The operating mechanism of the existing electric switch generally adopts the following method, the moving contacts of the L pole and the N pole are respectively fixed on the L pole and N pole moving contact brackets, and then the L pole and N pole moving contact brackets are arranged on the lever On both sides, the lock and jumper are also set on the lever. At this time, the mechanism is bulky, the movement of the mechanism is not flexible, and the breaking speed is slow. The moving contacts of L pole and N pole are respectively located on the upper and lower sides of the middle seat. N-pole movable contact brackets are arranged on both sides of the lever, and the L-pole and N-pole of the mechanism part cannot be isolated. When break...

AI Technical Summary

Problems solved by technology

[0002] The operating mechanism of the existing electric switch generally adopts the following method, the moving contacts of the L pole and the N pole are respectively fixed on the L pole and N pole moving contact brackets, and then the L pole and N pole moving contact brackets are arranged on the lever On both sides, the lock and jumper are also set on the lever. At this time, the mechanism is bulky, the movement of the mechanism is not flexible, and the breaking speed is slow. The moving contacts of L pole and N pole are respectively located on the upper and lower sides of the middle seat. N-pole movable contact brackets are set on both sides of the lever, and the L-pole and N-pole of the mechanism part cannot be isolated. When breaking a large current, the arc and conductive gas are easily shorted, causing the product to burst and fail to break the product.

And there is a risk of withstand voltage breakdown after breaking, which cannot meet the user's requirements

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