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    • 2. 发明专利
    • Torque transmission joint, and electric power steering apparatus
    • 扭矩传动接头和电动转向装置
    • JP2013227988A
    • 2013-11-07
    • JP2012098329
    • 2012-04-24
    • Nsk Ltd日本精工株式会社
    • MORIYAMA SEIICHISHIBAZAKI HIROSHIYAMAMOTO TAKESHISEGAWA TORU
    • F16D3/78B62D5/04F16D3/12F16F15/12F16F15/124
    • PROBLEM TO BE SOLVED: To provide a torque transmission joint 15a including a buffer member 18a whose moldability can be improved and whose visibility from the outside can be improved.SOLUTION: A buffer member 18a is molded into a circular ring plate shape as a whole by injection-molding an elastic material such as rubber. Driving side insertion holes 29 and 29 and driven side insertion holes 30 and 30 are formed alternately with respect to a circumferential direction in a diametrical middle portion of the buffer member 18a while these holes each axially penetrate the buffer member. Driving side arm parts 21a and 21a provided in a driving side transmission member 16a can be inserted into the driving side insertion holes 29 and 29 without play, the driving side transmission member 16a being one of driving side and driven side transmission members 16a and 17a which are arranged in both axial ends respectively with the buffer member 18a interposed between the transmission members. Driven side arm parts 23a and 23a provided in the driven side transmission member 17a can be inserted into the driven side insertion holes 30 and 30 without play.
    • 要解决的问题:提供一种包括缓冲构件18a的扭矩传递接头15a,该缓冲构件18a的成形性能得到改善,并且可以改善其从外部的可视性。解决方案:缓冲构件18a整体由圆环形板形状整体由 注塑成型橡胶等弹性材料。 驱动侧插入孔29,29和从动侧插入孔30,30相对于缓冲部件18a的直径中央部的周向交替地形成,而这些孔各自轴向贯通缓冲部件。 设在驱动侧传动部件16a上的驱动侧臂部21a,21a能够无间隙地插入驱动侧插入孔29,29中,驱动侧传动部件16a是驱动侧和从动侧传递部件16a,17a之一 分别布置在两个轴向端部,缓冲构件18a分别设置在传动构件之间。 设置在从动侧传动部件17a中的被驱动的侧臂部件23a和23a能够在不起动的情况下插入从动侧插入孔30和30。
    • 4. 发明专利
    • Electric power steering device
    • 电动转向装置
    • JP2007145154A
    • 2007-06-14
    • JP2005341576
    • 2005-11-28
    • Nsk Ltd日本精工株式会社
    • EBUCHI TOMOAKIYAMAMOTO TAKESHIMAEDA MASAHIRO
    • B62D5/04
    • PROBLEM TO BE SOLVED: To provide an electric power steering device capable of preventing any direct transmission of the vibration to a controller arranged close to an electric motor by absorbing the vibration of the electric motor for providing the auxiliary supporting force to a steering system.
      SOLUTION: In the electric power steering device, an electric motor 12 for providing the auxiliary steering force to a steering system, and a control unit 15U equipped with a controller for controlling the conductive state to the electric motor according to the steering torque of the steering system are arranged close to each other. An elastic member 30 for absorbing the vibration of the electric motor is provided between the electric motor 12 and the control unit 15U.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种电动助力转向装置,其能够通过吸收用于向转向装置提供辅助支撑力的电动机的振动来防止振动直接传递到靠近电动机的控制器 系统。 解决方案:在电动助力转向装置中,将用于向转向系统提供辅助转向力的电动机12以及具有控制器的控制单元15U,控制单元15U根据转向转矩控制对电动机的导通状态 的转向系统彼此靠近。 用于吸收电动机振动的弹性部件30设置在电动马达12和控制单元15U之间。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Electric power steering device
    • 电动转向装置
    • JP2007106234A
    • 2007-04-26
    • JP2005298525
    • 2005-10-13
    • Nsk Ltd日本精工株式会社
    • EBUCHI TOMOAKIYAMAMOTO TAKESHIMAEDA MASAHIRO
    • B62D5/04
    • B62D5/0406H02K5/225
    • PROBLEM TO BE SOLVED: To provide an electric power steering device allowing efficient mounting and assembling work of members in a manufacturing process of the electric power steering device, that is, a mounting and assembling work of an electric motor, a control unit, a terminal board for mounting a bus bar terminal and a connector, to reduce manufacturing cost.
      SOLUTION: This electric power steering device is constituted by adjacently arranging the electric motor 12 for imparting steering assist force to a steering system and a control unit 15U equipped with a controller 15 for controlling an energizing state to the electric motor 12 according to steering torque of the steering system. In this case, a mounting surface of the electric motor 12 and the control unit 15U, a mounting surface of the terminal board used for electrically connecting to the electric motor 12 provided in the control unit 15U, and a mounting surface of the connector mounted in the control unit 15U are constituted to be flush.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种电动助力转向装置,其能够在电动助力转向装置的制造过程中进行元件的有效安装和组装工作,即电动机的安装和组装工作,控制单元 ,用于安装母线端子和连接器的端子板,以降低制造成本。 解决方案:该电动助力转向装置通过相邻地配置用于向转向系统赋予转向辅助力的电动机12和具有控制器15U的控制单元15U,该控制单元15U根据电动机12控制对电动机12的通电状态 转向系统的转向转矩。 在这种情况下,电动机12和控制单元15U的安装表面,用于电连接到设置在控制单元15U中的电动机12的端子板的安装表面和安装在控制单元15U中的连接器的安装表面 控制单元15U构成为齐平。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Electric power steering device
    • 电动转向装置
    • JP2004161150A
    • 2004-06-10
    • JP2002330400
    • 2002-11-14
    • Nsk Ltd日本精工株式会社
    • YAMAMOTO TAKESHIIWANO TOSHIYUKI
    • B62D5/04
    • PROBLEM TO BE SOLVED: To provide an electric power steering device capable of compactly disposing a steering angle sensor on the periphery of the speed-reducing mechanism supplying auxiliary steering force.
      SOLUTION: A worm wheel 31 is provided with a cylindrical resin part 36 integrally formed with synthetic resin on the outer peripheral surface of a metallic core 35. The worm wheel 31 is constituted that the teeth 37 of the worm wheel 31 (hereafter, wheel teeth) meshing with a worm 32 are formed remaining a part of the face width direction, that is, one-sidedly being formed in the face width direction on the outer peripheral surface of the resin part 36. A gear 38 for a sensor meshing a sensor pinion 53 provided on a rotating shaft 52 of the steering angle sensor 51 is formed at the portion having no wheel tooth 37 on the outer peripheral surface of the resin part 36.
      COPYRIGHT: (C)2004,JPO
    • 解决的问题:提供一种能够在提供辅助转向力的减速机构的周围紧凑地设置转向角传感器的电动助力转向装置。 解决方案:蜗轮31在金属芯35的外周面上设置有与合成树脂一体形成的圆筒形树脂部36.蜗轮31构成为蜗轮31的齿37(以下称为 ,与蜗杆32啮合的齿轮32形成为在宽度方向的一部分上,即在树脂部36的外周面上沿面宽度方向一侧形成的一部分。传感器用齿轮38 在设置在转向角传感器51的旋转轴52上的传感器小齿轮53啮合在树脂部36的外周面上的没有轮齿37的部分。(C)2004,JPO
    • 7. 发明专利
    • ウォームホイール、電動パワーステアリング装置
    • WORM轮和电动转向装置
    • JP2015017705A
    • 2015-01-29
    • JP2014168919
    • 2014-08-22
    • 日本精工株式会社Nsk Ltd
    • KIYOTA HARUHIKOYAMAMOTO TAKESHIMITSUHASHI SHIRO
    • F16H55/22B29C45/27B62D5/04F16H1/16F16H55/06
    • B62D5/0409F16H55/06F16H55/22F16H57/0006F16H2055/065Y10T74/19907Y10T74/19921Y10T74/19953
    • 【課題】金属製の芯金の外周部が合成樹脂製のリム部で覆われているウォームホイールの芯金とリム部との結合強度を、従来品より高くする。【解決手段】ウォームホイールの芯金1Aは、第一環状凹部12が形成された軸方向一端面と、第二環状凹部13が形成された軸方向他端面と、第一環状凹部12の径方向外側領域に形成された第三環状凹部14とを有する。リム部2Aは、第一環状凹部12に固定されている第一内周部22と、第二環状凹部13に固定されている第二内周部23と、第三環状凹部14に嵌合している凸部24を有する。第二環状凹部13の内周側壁面13eが、第二環状凹部13の底面13dに対して鈍角をなすように該底面13dからテーパ状に延在する。【選択図】図8
    • 要解决的问题:与常规产品相比,为了提高芯棒与金属芯棒的外周部分被合成树脂边缘部分覆盖的蜗轮的接合强度。解决方案: 蜗杆的杆1A包括:沿轴向的一个端面,其上形成有第一环形凹部12; 轴向的另一个端面具有形成在其上的第二环形凹部13; 以及形成在第一环状凹部12的径向外侧区域的第三凹部14.边缘部2A包括固定于第一环状凹部12的第一内周部22, 固定到第二环形凹部13的第二内周部23; 以及安装在第三环状凹部14上的突出部24.第二环状凹部13的内周侧壁面13e以锥形的方式从第二环状凹部13的底面13d延伸,形成钝角 到底面13d。
    • 8. 发明专利
    • Manufacturing method for worm wheel, and worm speed reducer
    • WORM车轮制造方法和减速机
    • JP2010023135A
    • 2010-02-04
    • JP2008184545
    • 2008-07-16
    • Nsk Ltd日本精工株式会社
    • YAMAMOTO TAKESHI
    • B23F11/00B62D5/04F16H55/06F16H55/22
    • PROBLEM TO BE SOLVED: To attain a manufacturing method for a worm wheel 5b not only capable of ensuring bending rigidity of a worm wheel tooth 9b but also reducing an abrasion amount at usage and capable of attaining enhancement of shape accuracy and dimension accuracy of a tooth part 8b.
      SOLUTION: Firstly, by injection molding of synthetic resin, an intermediate material 15a provided with an original tooth part 16 in which original teeth 17, 17 adjacent to each other in a circumferential direction are connected to each other by connection parts 13a, 13a provided on one end part in a tooth trace direction of the respective original teeth 17, 17 is formed. Subsequently, the original tooth part 16 is machined by a machining worm 14 having the same shape-same dimension as the worm engaged at usage. Thereby, only the tooth surfaces of the respective original teeth 17, 17 are cut without shaving off the respective connection parts 13a, 13a, thereby, worm wheel teeth 9b, 9b can be formed from the respective original teeth 17, 17.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了获得蜗轮5b的制造方法,不仅能够确保蜗轮齿9b的弯曲刚性,而且减少使用时的磨损量,并且能够提高形状精度和尺寸精度 的齿部8b。 解决方案:首先,通过合成树脂的注塑,设置有原始齿部16的中间材料15a,其中沿圆周方向彼此相邻的原始齿17,17彼此通过连接部13a连接, 13a形成在相应的原始齿17,17的齿迹方向上的一个端部上。 随后,原始齿部16由具有与使用中啮合的蜗杆相同尺寸的加工蜗杆14加工。 因此,只有各个原始齿17,17的齿面被切割而不会从相应的连接部分13a,13a中脱落,从而可以从各个原始齿17,17形成蜗轮齿9b,9b。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Steering auxiliary gear for electric power steering device
    • 转向辅助齿轮用于电力转向装置
    • JP2010014253A
    • 2010-01-21
    • JP2008177075
    • 2008-07-07
    • Nsk Ltd日本精工株式会社
    • YAMAMOTO TAKESHI
    • F16H55/06B62D5/04
    • PROBLEM TO BE SOLVED: To provide a steering auxiliary gear for an electric power steering device, in which the volume of a core bar part is minimized for weight reduction, only a gear part is formed by thermoplastic resin with favorable workability, and the volume of the thermoplastic resin is reduced to eliminate extra weight, and whose entire strength is secured.
      SOLUTION: In the electric steering device generating steering auxiliary force from a steering auxiliary motor and transmitting it to an output shaft 13, the steering auxiliary gear (worm wheel) 1 has the core bar part 2 fit together with the output shaft 13, an annulus ring part 3 of thermoplastic resin fixed to an outer circumference of the core bar part 2, and a teeth part 4 of thermoplastic resin fixed to an outer circumference of the annulus ring part 3, and the teeth part 4 is meshed with a driving gear (worm) provided on a rotary shaft driven by the steering auxiliary motor.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种用于电动助力转向装置的转向辅助齿轮,其中芯棒部分的体积被最小化以减轻重量,只有齿轮部分由具有良好可加工性的热塑性树脂形成,并且 减少热塑性树脂的体积以消除额外的重量,并确保其整体强度。 解决方案:在从转向辅助马达产生转向辅助力并将其传递到输出轴13的电动转向装置中,转向辅助齿轮(蜗轮)1具有与输出轴13配合的芯棒部2 ,固定在芯棒部2的外周的热塑性树脂的环状环部3和固定在环状环部3的外周的热塑性树脂的齿部4,并且齿部4与 驱动齿轮(蜗杆)设置在由转向辅助马达驱动的旋转轴上。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Electric power steering device
    • 电动转向装置
    • JP2009056943A
    • 2009-03-19
    • JP2007226123
    • 2007-08-31
    • Nsk Ltd日本精工株式会社
    • YAMAMOTO TAKESHI
    • B62D5/04
    • PROBLEM TO BE SOLVED: To provide an electric power steering device enhancing the reliability of a torque sensor.
      SOLUTION: On a sensor housing 29 for storing the torque sensor of the electric power steering device, a hole 49 for drawing out a harness is formed and a plate-like projection 51 for harness protection is formed near the hole 49. On a worm storage part 33 of a gear housing 27 for storing a pair of worm gears, a first bracket 53 is formed below the hole 49 of the vehicle, and a sensor harness 47 drawn out of the hole 49 is downward extended from the hole 49 and clamped on the first bracket 53.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种提高扭矩传感器的可靠性的电动助力转向装置。 解决方案:在用于存储电动助力转向装置的扭矩传感器的传感器壳体29上,形成用于拉出线束的孔49,并且在孔49附近形成用于保护线束的板状突起51。 用于存储一对蜗轮的齿轮壳体27的蜗杆存放部33,在车辆的孔49的下方形成有第一托架53,从孔49向下方延伸的传感器线束47从孔49向下方延伸 并夹在第一支架53上。版权所有(C)2009,JPO&INPIT