To reduce the movement stroke of a magnet in a push button switch using a lead switch, and reduce the dimensions in an operation direction of the push button.SOLUTION: A driving magnet has a plate shape, is magnetized in the vertical direction, is attached to a leaf spring, and moves in a lower direction according to bending of the leaf spring; the N magnetic pole of the driving magnet approaches one electrode of a lead switch to magnetize the electrode to the N pole; the S magnetic pole of the driving magnet approaches a magnetic yoke and leads a magnetizing force of the S magnetic pole to the other electrode of the lead switch to magnetize the electrode to the S pole. The two electrodes of the lead switch are magnetized to the N pole and the S pole, which are the opposite polarities to each other, and the lead switch is turned on. When the driving magnet moves upward, its S magnetic pole approaches one electrode to magnetize the electrode to the S pole and thus the two electrodes are both magnetized to the S pole, and the lead switch is turned off. When the leaf spring is pushed by a push button or returned at a center part with its right end fixed, it moves the leaf-shape driving magnet in the vertical direction, and turns on and off the lead switch in a short stroke.SELECTED DRAWING: Figure 1

    【課題】リードスイッチを使用した押しボタンスイッチにおいて磁石の移動ストロークを小さくし、押しボタンの操作方向の寸法を小さくする。【解決手段】駆動磁石は板状で、上下方向に磁化され、板バネに取り付けられ、板バネのたわみに従って下方向に移動し、そのN磁極がリードスイッチの一方の電極に近づくことでこれをNに磁化し、駆動磁石のS磁極が磁気ヨークに近づき、S磁極の磁化力をリードスイッチの他方の電極に導きこれをS極に磁化する。リードスイッチの2つの電極は互いにN極とS極の逆極性に磁化され、オンする。駆動磁石が上に移動するとそのS磁極が一方の電極に接近してSに磁化し、リードスイッチは2つの電極が共にSに磁化され、オフする。板バネは右端固定で,中央部が押しボタンに押されまたは戻されることによって板状の駆動磁石を上下方向に移動させ、短いストロークでリードスイッチをオン・オフする。【選択図】図1


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    Title :

    LEAD SWITCH CONTROLLER AND PUSH BUTTON SWITCH INCLUDING THE SAME


    Additional title:

    リードスイッチ制御装置及びこれを備えた押しボタンスイッチ


    Contributors:
    IRIE JUICHI (author)

    Publication date :

    2024-02-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / H01H Elektrische Schalter , ELECTRIC SWITCHES



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