Permanent magnet mechanism manual opening device and circuit breaker using the device
A technology of permanent magnet mechanism and gate device, which is applied in the direction of protection switch operation/release mechanism, etc., which can solve the problems of poor reliability and achieve the effects of small opening force, avoiding sticking, and ensuring the accuracy of travel
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[0037] The embodiments of the present invention will be further described below with reference to the accompanying drawings.
[0038] An embodiment of the circuit breaker in the present invention is as follows Figure 1~Figure 3 As shown, a mechanism box 10 with a door panel 12 is included, and a permanent magnet mechanism 20 and a permanent magnet mechanism manual opening device 30 are arranged in the mechanism box 10 . The permanent magnet mechanism 20 includes a guide rod 21, that is, a moving main shaft. The permanent magnet mechanism manual opening device 30 includes a device seat 31 , an operating shaft 32 , a cam 33 , an adapter shaft 35 , an adapter shaft mounting sleeve 40 , a torsion spring 41 and an operating handle 42 .
[0039] The device seat 31 includes a main body support plate 311 and a bent support plate 312 arranged on the edge of the main body support plate 311. figure 1 Viewed from the angle shown, the front and right edges of the main body support plate...
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