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    • 13. 发明专利
    • Ball bearing for linear movement shaft
    • 球轴承用于线性运动轴
    • JPS59187112A
    • 1984-10-24
    • JP6005883
    • 1983-04-08
    • A S K:Kk
    • NOJIMA AKIO
    • F16C29/00F16C29/06
    • F16C29/0688
    • PURPOSE:To improve a load carrying capacity and safety by a method wherein linear grooves in a ball holder and the second linear grooves are formed such that differences in depth in a diametral direction are moved in sequence along the inclined surface and the connection surfaces of the outer cylinder. CONSTITUTION:An inner circumference of a circular holder 2 is formed to have a diameter d slightly larger than an operating shaft. A concave surface 17 at the outer circumference is formed in such a way as it may be fitted to the projected part 18 of the outer cylinder without any clearances therebetween, and also the linear grooves 22 and the second linear grooves 23 are formed such that a difference in depth in a diametral direction connects both grooves and it is moved in sequence along the inclined surface 7 of the outer cylinder 1 and the connected surface. Thus, it is possible to make an inclined angle 26 of the inclined surface 7 small, to enable the balls to be rolled smoothly, to increase an axial length of the projection 8 of the outer cylinder 1, shorten a circumferential space 27 and to increase the number of grooves 22 and 23, so that a load carrying capacity and a stability can be improved.
    • 目的:通过一种方法来提高承载能力和安全性,其中形成了球保持器和第二直线槽中的直线槽,使得沿直径方向的深度差沿着倾斜面和连接面的顺序移动 外筒。 构成:圆形保持器2的内周形成为具有比操作轴略大的直径d。 外周的凹面17以与外筒的突出部18嵌合而没有间隙的方式形成,直线状的槽22和第二直线状的槽23形成为 沿直径方向的深度差连接两个凹槽,并且沿着外筒1的倾斜表面7和连接表面依次移动。 因此,可以使倾斜面7的倾斜角26小,能够平滑地滚动滚珠,从而增加外筒1的突起8的轴向长度,缩短周向空间27并增大 凹槽22和23的数量,从而可以提高承载能力和稳定性。
    • 15. 发明专利
    • Direct-acting ball bearing
    • 直接作用球轴承
    • JPS5923120A
    • 1984-02-06
    • JP13155882
    • 1982-07-27
    • Koyo Seiko Co Ltd
    • SAKURAGI MASAAKIKAWAKAMI YOSHIHISANUMATA TETSUAKI
    • F16C29/00F16C29/06
    • F16C29/0688
    • PURPOSE:To aim at remarkable reduction of a frictional force in circulating movement, by arranging inclined channel rings formed with relay tracks at both ends of a sleeve including a load track and a non-load track in a direct-acting ball bearing. CONSTITUTION:Relay tracks 16 and 17 for allowing a free rotation of rotary members 12, having the same set as that of a load track 13 and a non-load track 14, are formed in the axial direction of inclined channel rings 18 which are fitted in both ends of a sleeve. Each relay track 16 is slightly inclined relative to the axis of the sleeve in such a manner that openings of each relay track 16 continuing to each load track 13 are offset to the outwardly radial direction at end surfaces contacting with end rings 19 provided outside of the inclined channel rings 18. In this manner, the inclined angle of the relay tracks 16 relative to the axis of the sleeve is set to a small amount, thereby effecting remarkably smooth circulating movement of the rotary members in the direction from a load area to a non-load area, and vice versa.
    • 目的:为了在循环运动中显着降低摩擦力,通过在直列式球轴承中设置包括负载轨道和无负载轨道的套筒的两端,设置形成有中继轨道的倾斜通道环。 构成:用于允许旋转构件12的自由旋转的继电器轨道16和17,其具有与负载轨道13和非负载轨道14相同的设置,在安装的倾斜通道环18的轴向上形成 在袖子的两端。 每个继电器轨道16相对于套筒的轴线稍微倾斜,使得连续到每个负载轨道13的每个继电器轨道16的开口在与设置在外部的端部环19的端面处接触的端面偏移到向外的径向方向 倾斜通道环18.以这种方式,中继轨道16相对于套筒的轴线的倾斜角度被设定为少量,从而实现旋转构件在从装载区域到方向的方向上的显着平滑的循环运动 无负载区域,反之亦然。
    • 16. 发明专利
    • リニアブッシング
    • 线性布置
    • JP2016035308A
    • 2016-03-17
    • JP2014158933
    • 2014-08-04
    • 日本トムソン株式会社
    • 菊地 俊亮
    • F16C31/06
    • F16C29/0688F16C29/0602
    • 【課題】このリニアブッシングは,多角形状の外筒を嵌挿した多角形状の保持器の両端部にエンドリングを嵌合して,回転方向と軸方向に互いに適正に位置決め固定する。 【解決手段】エンドリング6は,外筒3から突出した保持器5の端部28に嵌合して外筒3の端面26に当接させ,保持器5の両端部28の外周を覆う。保持器5の循環凹溝22は,軌道面51に対向する軌道面52にスリット部27を備えた軌道凹溝23,それに平行に延びるリターン凹溝24及びそれらを連通する一対の方向転換凹溝25から構成されている。保持器5の外周面11には外周凹溝29を形成し,両溝端部31に形成された突起部30にエンドリング6の内周凹溝32の突起部33を係止して回転方向に位置決めし,エンドリング6は,外筒3が介在して保持器5の長手方向に位置決め固定される。 【選択図】図2
    • 要解决的问题:提供一种线性套管,其适合端环,其中插入有多边形外筒的多边形支架的两个端部,并且在旋转方向和轴向方向上适当地定位和固定端环。 端环6与从外筒3突出的保持件5的端部28相配合,与外筒3的端面26抵接,覆盖保持件5的两端部28的外周。循环 保持器5的凹部22由轨道凹槽23构成,轨道凹槽23在与轨道表面51相对的轨道表面52上设置有狭缝部分27,与轨道凹槽23平行延伸的返回凹槽24,以及 一对方向改变凹槽25连通。 在保持器5的外周面11上形成有外周凹槽29,端环6的内周凹槽32的突出部33被锁定在形成于两个槽端部31〜 沿旋转方向定位。 端环6在外筒3插入的同时沿着保持器5的纵向方向定位和固定。选择的图示:图2
    • 17. 发明专利
    • Ball spline
    • 球场
    • JP2009115120A
    • 2009-05-28
    • JP2007285697
    • 2007-11-02
    • Jtekt Corp株式会社ジェイテクト
    • WATANABE HAJIMEAIDA TOMOYUKI
    • F16C29/06F16H25/22
    • F16H25/2214F16C29/0688F16H2025/204Y10T74/19744
    • PROBLEM TO BE SOLVED: To provide a ball spline which allows the increase in torque capacity without increasing an axial diameter. SOLUTION: Main passages 18 of a ball circulation passage for a spline are formed by including: on the outer periphery of a screw shaft 1, shoulder portions 21, 22, 23 interposing a spline groove 7 of the screw shaft 1 from both sides in a circumferential direction; and on the outer tube 3 for a spline, shoulder portions 24, 25, 26 interposing a spline groove 7 of an outer tube 3 for a spline from both sides in a circumferential direction. Clearances in the rotating direction are formed between respective shoulder portions 21, 22, 23, 24, 25, 26 and ball 5 for a spline. The balls 5 for a spline disposed in all main passages 18 bear both clockwise and counterclockwise torques. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种允许增加扭矩能力而不增加轴向直径的滚珠花键。 < P>解决方案:用于花键的球循环通道的主通道18通过在螺杆轴1的外周上包括:肩部21,22,23,两个螺钉轴1的花键槽7从两个 侧面在圆周方向; 并且在用于花键的外管3上,肩部24,25,26在圆周方向上从两侧插入用于花键的外管3的花键槽7。 在花键的相应的肩部21,22,23,24,25,26和球5之间形成有旋转方向的间隙。 用于设置在所有主通道18中的花键的滚珠5同时承受顺时针和逆时针转矩。 版权所有(C)2009,JPO&INPIT