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CONNECTION STRUCTURE OF NON-CONTACT ROTARY SENSOR WITH ROTATING SHAFT
CONNECTION STRUCTURE OF NON-CONTACT ROTARY SENSOR WITH ROTATING SHAFT
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机译:具有旋转轴的非接触式旋转传感器的连接结构
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摘要
The present invention is a coupling structure to connect a rotating shaft 119 to a non-contact type rotary sensor, which comprises a first stator 111 having two magnetic facing sides 111a, 111b which are disposed on a same arc and are apart from each other, a second stator 112 having one magnetic facing side 112a which is disposed between the two magnetic facing sides on the arc, a hall element 113 disposed between the first and the second stators, a moving magnet 114, 115 having different polarities which is disposed along the outside arc of the three magnetic facing sides, and a rotor 116 having the moving magnet, wherein a fitting hole 116b is formed at the rotor in which the rotating shaft is loose-fitted, the rotating shaft which is inserted to the fitting hole is supported by the fitting hole by a pin which is piercing the rotating shaft, and a clearance keeping member is disposed to keep the distance between the moving magnet and the first and the second stators constant. With this structure, a rotary sensor that can detect angles accurately even if there is misalignment between the center of the rotor and the center of the rotating shaft is provided.
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