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    • 3. 发明授权
    • Power steering device
    • 动力转向装置
    • US06234271B1
    • 2001-05-22
    • US08954664
    • 1997-10-20
    • Katsuhiro SuzukiShinichi HagidairaYoshiyuki Tsukada
    • Katsuhiro SuzukiShinichi HagidairaYoshiyuki Tsukada
    • B62D5083
    • B62D5/083
    • It is an object of the invention to achieve both of centering of an input shaft and an output shaft to determine relative positions of the same in a neutral state and the centering of a mechanism for applying a preset force. In order to achieve the object, in a power steering device having a configuration wherein an assistant force is provided in accordance with the amount of relative rotation of an input shaft 4 and an output shaft 5 connected by a torsion bar 5; a spring containing chamber 9 that rotates integrally with the output shaft 2 is provided; and a preset force is provided by the spring force a pair of spring members 13 provided such that they sandwich the input shaft 4 on both sides thereof in the spring containing chamber 9, there is provided a spring receiving ring 25 which is a member separate from the output shaft 2 or a member that rotates integrally with the output shaft 2; a spring containing chamber 9 and at least one insertion hole 27, 28, 32, 33 in the ring receiving ring 25; securing members 23, 26, 30, 31 inserted in the insertion holes 27, 28, 32, 33 for positioning and securing the spring receiving ring 25 to the output shaft 2 or the member that rotates integrally with the output shaft 2; and a fine adjustment means between the securing members 23, 26, 30, 31 and the insertion holes 27, 28, 32, 33 for allowing fine adjustment of the position of the spring receiving ring 25 relative to the output shaft 2 or the member that rotates integrally with the output shaft 2.
    • 本发明的目的是实现输入轴和输出轴的对中,以确定其在中立状态下的相对位置和用于施加预设力的机构的定心。为了实现该目的, 在具有根据由扭杆5连接的输入轴4和输出轴5的相对旋转量而设置的辅助力的动力转向装置中, 提供与输出轴2一体旋转的弹簧容纳室9; 并且通过弹簧力提供一对弹簧构件13的预设力,所述一对弹簧构件13设置成使得它们在弹簧容纳室9中将输入轴4夹在其两侧,设置有弹簧接收环25,弹簧接收环25是与 输出轴2或与输出轴2一体旋转的部件; 弹簧容纳室9和环接收环25中的至少一个插入孔27,28,32,33; 插入到插入孔27,28,32,33中的固定构件23,26,30,31用于将弹簧容纳环25定位并固定到输出轴2或与输出轴2一体地旋转的构件; 以及固定构件23,26,30,31与插入孔27,28,32,33之间的精细调节装置,用于允许微调弹簧容纳环25相对于输出轴2的位置或构件, 与输出轴2一体旋转。
    • 4. 发明授权
    • Power steering device
    • 动力转向装置
    • US5964314A
    • 1999-10-12
    • US040098
    • 1998-03-17
    • Katsuhiro SuzukiShinichi HagidairaMasashi TakaiTadao Hasegawa
    • Katsuhiro SuzukiShinichi HagidairaMasashi TakaiTadao Hasegawa
    • B62D5/083B62D15/00F15B9/10
    • B62D5/083
    • A power steering device capable of facilitating assembling thereof and eliminating a variation in elastic force acting on an input shaft of the power steering device. Leaf spring structures each of which includes a first leaf spring and a second leaf spring are arranged. The first leaf spring includes a spring-side support section constituted by a V- or U-shaped groove, a pair of rolling surface sections arranged so as to be contiguous to the spring-side support section and outwardly extend from both ends of the spring-side support section, a pair of support leg sections each arranged so as to be contiguous to each of the rolling surface sections and outwardly extend therefrom, and a pair of holding sections each arranged so as to be contiguous to each of the support leg sections and outwardly extend therefrom. The holding sections each are pressedly contacted with press contact surfaces or side surfaces of a spring receiving chamber, resulting in the first leaf spring being securely held. The second leaf spring acts to exhibit elastic force required for forcing balls or rollers against an input shaft from a rear surface of the first leaf spring.
    • 一种能够促进其组装并消除作用在动力转向装置的输入轴上的弹力变化的动力转向装置。 布置有各自包括第一板簧和第二板簧的板簧结构。 第一片弹簧包括由V形或U形槽构成的弹簧侧支撑部分,一对滚动表面部分布置成邻近弹簧侧支撑部分并且从弹簧的两端向外延伸 侧支撑部分,一对支撑腿部分,每个支撑腿部分布置成与每个滚动表面部分邻接并从其向外延伸;以及一对保持部分,每个保持部分布置成与每个支撑腿部段相邻 并从其向外延伸。 保持部分与弹簧接收室的压力接触表面或侧表面压紧接触,导致第一片簧牢固地保持。 第二板簧用于展现从第一板簧的后表面迫使球或滚轮抵靠输入轴所需的弹力。