Dustproof sealing device of magnetic liquid and for wind sensor
A magnetic liquid and dust-proof sealing technology, which is applied to the sealing of the engine, engine components, mechanical equipment, etc., can solve the problems of inability to judge whether the blower is working normally, inaccurate judgment of the rotation angle of the wind flag, and hindering the free rotation of the central shaft. To achieve the effect of simple structure, ensuring reliability and preventing the entry of external impurities
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[0017] A magnetic liquid dust-proof sealing device for a wind sensor, comprising a central shaft 1, an annular right pole shoe 2, an annular permanent magnet 3, an annular left pole shoe 4, a magnetic fluid 5, a central shaft sleeve 6, a housing 7, and a swing magnet Column 8, magnetic core 9, magnetic pole screw 10, wind flag 11, positioning screw 12, positioning screw 13;
[0018] Connection between the above parts:
[0019] Align the outer diameter of the ring-shaped right pole piece 2 with the outer diameter of the ring-shaped permanent magnet 3, and bond the lower surface of the ring-shaped right pole piece 2 with the upper surface of the ring-shaped permanent magnet 3. The outer diameter is aligned with the outer diameter of the ring-shaped permanent magnet 3, and the lower surface of the ring-shaped permanent magnet 3 and the upper surface of the ring-shaped left pole piece 4 are bonded with sealant to form an integral sealing structure;
[0020] The central shaft sleeve 6 is...
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