会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明专利
    • Sliding-type tripod constant velocity joint
    • 滑动型三轴恒定速度接头
    • JP2013174362A
    • 2013-09-05
    • JP2013123277
    • 2013-06-12
    • Jtekt Corp株式会社ジェイテクト
    • MIZUNO KOICHIROSAKAI YOSHINARIYOSHII TATSUYA
    • F16D3/205
    • F16D3/2055Y10S464/905
    • PROBLEM TO BE SOLVED: To provide a sliding-type tripod constant velocity joint in which cost and weight of a retainer can be reduced by reducing a load received by the retainer from needles and an outer ring.SOLUTION: An intermediate member 40 is rockably disposed on an outer periphery of a tripod shaft 22. Shaft-like rolling elements 50 are held by a retainer 60 in such a manner that the rolling elements can circulate on an outer periphery of the intermediate member 40 and can roll between a side face 163 of a raceway groove 16 of an outer ring 10 and a torque transmission face 41 of the intermediate member 40. A raceway recess 18 extending in a direction of the rotation axis of the outer ring is formed on the side face 163 of the raceway groove 16. The shaft-like rolling element 50 is fitted into the raceway groove 18 and can roll along a bottom face 18a of the raceway groove 18. The retainer 60 is disposed outside the raceway groove 18.
    • 要解决的问题:提供一种滑动式三球架等速万向节,其中可以通过减少保持器从针和外圈接收的负载来减小保持器的成本和重量。解决方案:中间构件40可摆动地布置 在三脚架轴22的外周上。轴状滚动元件50由保持器60保持,使得滚动元件可以在中间构件40的外周上循环并且可以在中间构件40的侧面163 外圈10的滚道槽16和中间构件40的转矩传递面41.在滚道槽16的侧面163上形成有沿外圈的旋转轴线方向延伸的滚道凹槽18。 轴状滚动元件50装配到滚道槽18中并且可以沿着滚道槽18的底面18a滚动。保持器60设置在滚道槽18的外侧。
    • 4. 发明专利
    • Sliding constant velocity universal joint
    • 滑动恒定速度通用接头
    • JP2012042003A
    • 2012-03-01
    • JP2010184946
    • 2010-08-20
    • Ntn CorpNtn株式会社
    • SUGIYAMA TATSURO
    • F16D3/205
    • F16D3/205F16D3/2055Y10S464/905
    • PROBLEM TO BE SOLVED: To avoid the interference of a spring receiving member with a complicated shape portion of a roller assembly even if an operation angle becomes high, and to reduce the weight of a part, in a sliding constant velocity universal joint accommodated with a coil spring for biasing an intermediate shaft therein.SOLUTION: In the sliding constant velocity universal joint accommodated with the coil spring 14 for biasing the intermediate shaft 13 therein, a rising height h3 of the periphery 34 of the spring receiving member 15 which supports one end of the coil spring 14 is set to a height at which the edge 37 of the periphery 34 contacts with the lower end face of an outer ring 26 of the roller assembly 28 of an inside joint member 12 when the operation angle of the constant velocity universal joint becomes the maximum angle.
    • 要解决的问题:为了避免弹簧接收部件与辊组件的复杂形状部分的干涉,即使操作角度变高,并且为了减小部件的重量,在滑动等速万向接头 容纳有用于将中间轴偏压在其中的螺旋弹簧。 解决方案:在容纳有用于将中间轴13偏压的螺旋弹簧14的滑动等速万向接头中,支撑螺旋弹簧14的一端的弹簧接收构件15的周边34的上升高度h3是 设定为当等速万向接头的操作角成为最大角度时,周边34的边缘37与内侧接头构件12的辊组件28的外圈26的下端面接触的高度。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Structure of tripod constant velocity joint and assembly method for roller assembly
    • 三辊连续速度接头和组装方法的结构
    • JP2007177994A
    • 2007-07-12
    • JP2006301842
    • 2006-11-07
    • Korea Flange Co Ltdコリア・フランジ・カンパニー・リミテツド
    • DONG YOUNG YOON
    • F16D3/205
    • F16D3/2055F16D2003/2026Y10S464/905
    • PROBLEM TO BE SOLVED: To provide a structure of a tripod constant velocity joint capable of maintaining structural stability of the tripod constant velocity joint, reducing friction force generated between a trunnion and a track to the minimum extent to reduce generation of shaft force by far, and ensuring stable operation property and durability of the constant velocity joint and to provide an assembly method for a roller assembly.
      SOLUTION: This structure of the tripod constant velocity joint includes an inner roller 13 and an outer roller 15 arranged between the track of a housing 3 and the trunnion 11 of a spider 9 and a plurality of recessed parts 21 formed on a surface of the trunnion to reduce contact area of a roller channel 19 formed along the circumferential direction of the outer roller in a central part on an outer side face of the outer roller and the inner roller.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供能够保持三球架等速万向节的结构稳定性的三球架等速万向节结构,将耳轴和轨道之间产生的摩擦力减小到最小程度,以减少轴力的产生 并且确保等速万向节的稳定的操作性能和耐久性,并且提供一种用于辊组件的组装方法。 解决方案:三脚架等速万向节结构的这种结构包括布置在壳体3的轨道和星形轮9的耳轴11之间的内辊13和外辊15以及形成在表面上的多个凹部21 的耳轴,以减小在外辊和外辊的外侧面上的中心部分沿着外辊的圆周方向形成的辊道19的接触面积。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Tripod type constant velocity universal joint
    • 三联类型恒定速度通用接头
    • JP2006283828A
    • 2006-10-19
    • JP2005102532
    • 2005-03-31
    • Ntn CorpNtn株式会社
    • IZUMINO JUNICHIISHIJIMA MINORU
    • F16D3/205
    • F16D3/2055F16D2003/2026Y10S464/905
    • PROBLEM TO BE SOLVED: To provide a tripod type constant velocity universal joint reduced in weight and size and manufacturable at low cost while maintaining a strength.
      SOLUTION: In this constant velocity universal joint, where the outer diameter of an outer roller is Do, the radial wall thickness of the outer roller is To, the thickness of the flange of the outer roller on a joint radial outer side is t1, the thickness of the flange of the outer roller on the joint radial inner side is t2, the outer diameter of the inner roller is Di, the wall thickness of the inner roller is Ti, the diameter of the root part sectional shape of a trunnion journal in the joint circumferential direction is Dj1, the diameter of the root part sectional shape of the trunnion journal in the joint axial direction is Dj2, and the pitch circle diameter (PCD) of the trunnion journal of a joint is D, the outer diameter ratio Dor of the outer roller = Do/D, a wall thickness ratio Tor = To/D, an outer flange thickness ratio t1r = t1/D, an inner flange thickness ratio t2r = t2/D, the outer diameter ratio Dir of inner roller = Di/D, a wall thickness ratio Tir = Ti/D, a joint circular diameter ratio Dj1r of trunnion journal root part = Dj1/D, and a joint axial diameter ratio Dj2r of trunnion journal root part = Dj2/D are defined. These ratios are set in the ranges of 0.80
    • 要解决的问题:提供三脚架式等速万向接头,其重量和尺寸减小,并且在保持强度的同时以低成本制造。

      解决方案:在外滚子的外径为Do的等速万向接头中,外滚子的径向壁厚为To,外侧滚子的接头径向外侧的凸缘的厚度为 如图t1所示,外侧滚子的接合径向内侧的凸缘的厚度为t2,内侧滚子的外径为Di,内侧滚子的壁厚为Ti,根部的截面形状的直径为 耳轴颈在接头圆周方向上为Dj1,耳轴颈的根部截面形状在接头轴向方向上的直径为Dj2,接头耳轴轴颈的节圆直径(PCD)为D,外径 外辊的直径比D 0 = Do / D,壁厚比Tor = To / D,外凸缘厚度比t1r = t1 / D,内凸缘厚度比t2r = t2 / D,外径比Dir 内辊= Di / D,壁厚比Tir = Ti / D,接头电感 耳轴颈根部的圆锥直径比Dj1r = Dj1 / D,耳轴轴颈根部= Dj2 / D的关节轴径比Dj2r定义。 这些比率设定在0.80