To provide a steering knuckle which can improve the rigidity of a bent portion of a lower arm part connected to a lower arm.SOLUTION: A steering knuckle 1 comprises a main body part 10 for supporting wheels, and a lower arm part 11 extending downward from the main body part 10, and connected to a lower arm 4. The lower arm part 11 has a lower arm attachment part 13 which is bent toward the inside in a vehicle width direction at its tip, and connected with the lower arm 4 at its tip. The bent portion 12 of the lower arm part 11 has an inclined tissue in which a perlite rate of an outside region 12o located outside in the vehicle width direction is higher than a perlite rate of an inside region 12i located inside in the vehicle width direction, and the perlite rates are increased toward the outside from the inside in the vehicle width direction.SELECTED DRAWING: Figure 2

    【課題】ロアアームに連結される下アーム部の屈曲部分における強度を向上できるステアリングナックルを提供する。【解決手段】ステアリングナックル1は、車輪を支持する本体部10と、本体部10から下方に延設され、ロアアーム4に連結される下アーム部11とを備える。下アーム部11は、その先端部が車幅方向内側に向けて屈曲し、その先端部にロアアーム4が結合されるロアアーム取付部13を有する。そして、下アーム部11の屈曲部分12において、車幅方向外側に位置する外側部位12oのパーライト率が車幅方向内側に位置する内側部位12iのパーライト率よりも高く、車幅方向内側から外側にかけてパーライト率が増加する傾斜組織を有する。【選択図】図2


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    Title :

    STEERING KNUCKLE


    Additional title:

    ステアリングナックル


    Contributors:

    Publication date :

    2019-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B22D CASTING OF METALS , Gießen von Metallen / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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