Switch device and transmission structure thereof
A technology of transmission structure and switchgear, which is applied in the direction of electric switch, contact drive mechanism, high voltage/high current switch, etc. It can solve the large sliding friction force of the limit plate and the pin shaft, and the high power requirement for the opening and closing of the operating mechanism , Low reliability of switchgear and other problems, to achieve the effect of reducing sliding friction, improving service life and reducing wear
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[0030] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0031] Specific embodiments of the switching device provided by the present invention, such as image 3 and Figure 4 As shown, the switchgear includes an arc extinguishing chamber, an operating mechanism, and a transmission structure arranged between the arc extinguishing chamber and the operating mechanism. The moving contact 19 and the static contact 20 are arranged in the arc extinguishing chamber. The head 19 is connected to drive the driving rod 10 that the movable contact 19 contacts or separates from the static contact 20. The lower end of the driving rod 10 is provided with a second pin shaft 14, and the driving rod 10 is hinged for driving through the second pin shaft 14 at the same time. The limit rod 11 for the limit of the rod 10 and the power input rod for driving the driving rod 10 to move, the other end of the limit rod 11 is hinged on t...
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