PROBLEM TO BE SOLVED: To provide a small-sized step motor improved in durability.SOLUTION: A motor body giving rotary drive force to a rotator pointer is stored in a motor casing 60 held by a motor substrate 64. The motor substrate 64 has: a mounting surface 640 on which the motor body is mounted through the motor casing 60; a locking surface 641 on the opposite side to the mounting surface 640; and a locking hole 642 penetrating between the mounting surface 640 and the locking surface 641. The motor casing 60 has: a locking arm 615 which is inserted in the locking hole 642 in an elastically deformation state diagonally extending to the mounting surface 640 and the locking surface 641; and a locking claw 616 which forms an abutting surface 616a diagonally expanding to the mounting surface 640 and the locking surface 641, and is locked to the motor substrate 64 while making the abutting surface 616a abut on a locking angle portion 644 made by the locking surface 641 and the locking hole 642 on the motor substrate 64.SELECTED DRAWING: Figure 12

    【課題】耐久性の向上した小型のステップモータの提供。【解決手段】回転体指針へ回転駆動力を与えるモータ本体は、モータ基板64に保持されたモータケーシング60に収容されている。モータ基板64は、モータケーシング60を介してモータ本体が実装される実装面640と、実装面640とは反対側の係止面641と、実装面640及び係止面641の間を貫通している係止孔642とを、有する。モータケーシング60は、実装面640及び係止面641に対し斜めに延伸した弾性変形状態で係止孔642に挿入されている係止腕615と、実装面640及び係止面641に対し斜めに広がる当接面616aを形成しており、モータ基板64において係止面641及び係止孔642のなす係止角部644に当接面616aを当接させた状態でモータ基板64に係止されている係止爪616とを、有する。【選択図】図12


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    Title :

    STEP MOTOR AND VEHICULAR POINTER INSTRUMENT


    Additional title:

    ステップモータ及び車両用指針計器


    Contributors:

    Publication date :

    2018-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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