A cam type multi-stable reversing valve and its working position switching method
A multi-stable, cam-type technology, applied in the field of solenoid valves, can solve the problems of increasing the cost of using electromagnetic reversing valves and the power consumption of electromagnets, and achieve the effects of reducing control difficulty and cost, eliminating resistance, and improving service life
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[0030] The present invention will be further described below in conjunction with accompanying drawing.
[0031] Such as figure 1 , 2 , 3 and 4, a cam-type multi-stable reversing valve includes a valve seat 1, a valve core 2, a first electromagnet 3, a second electromagnet 4, a moving permanent magnet 5, a suction block 6 and a working bit switching mechanism. Both the first electromagnet 3 and the second electromagnet 4 are de-energized electromagnets; the de-energized electromagnets have magnetism when no power is applied, and the magnetism disappears after being energized. The suction block 6 is made of a magnetic material (a material that can be magnetized). The valve seat 1 is provided with a valve core placement channel. The first electromagnet 3 and the second electromagnet 4 are respectively fixed at both ends of the spool placement channel. The spool 2 is elongated and forms a sliding pair with the spool placement channel. The valve core 2 is located between the ...
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