To provide a hub unit with a steering function that converts straight motion of an actuator into rotary motion with good efficiency, and further, has high strength against reverse input from a wheel.SOLUTION: A hub unit 1 with steering function comprises: a hub unit body 2 having a hub bearing 15 for rotationally supporting a wheel 9; a unit support member 3 which so supports the hub unit body as to be rotatable around a steering axis center A extending in a vertical direction; and a steering actuator 5 which rotationally drives the hub unit body around the steering axis center. The steering actuator has: a motor; and a direct-acting mechanism 25 which converts rotation output of the motor into straight motion. A joint part 8 is interposed between the direct-acting mechanism and the hub unit body. When the hub unit body is positioned at a neutral position of a steering angle, a direct-acting mechanism axis center L of the steering actuator is orthogonal to a flat surface P including the steering axis center of the hub unit body and a first center point JO1 of the joint part on the hub unit body side.SELECTED DRAWING: Figure 2
【課題】アクチュエータの直進運動を回転運動に効率よく変換し車輪からの逆入力に対する強度も高い操舵機能付ハブユニットを提供する。【解決手段】 車輪9を回転支持するハブベアリング15を有するハブユニット本体2、前記ハブユニット本体を上下方向に延びる転舵軸心A回りに回転自在に支持するユニット支持部材3、および前記ハブユニット本体を前記転舵軸心回りに回転駆動させる操舵用アクチュエータ5を備え、前記操舵用アクチュエータは、モータと、モータの回転出力を直進運動に変換する直動機構25とを有し、前記直動機構と前記ハブユニット本体との間にジョイント部8が介在し、前記ハブユニット本体が操舵角の中立位置にあるときに、前記操舵用アクチュエータの直動機構軸心Lは、前記ハブユニット本体の前記転舵軸心と前記ジョイント部の前記ハブユニット本体側の第1中心点JO1とを含む平面Pに直交する。【選択図】図2
HUB UNIT WITH STEERING FUNCTION, STEERING SYSTEM AND VEHICLE
操舵機能付ハブユニット、操舵システムおよび車両
2024-03-14
Patent
Electronic Resource
Japanese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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