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    • 1. 发明专利
    • 転がり軸受
    • 滚动轴承
    • JP2014231856A
    • 2014-12-11
    • JP2013111924
    • 2013-05-28
    • Ntn株式会社Ntn CorpNtn株式会社
    • MIYAZAKI HIROYUKIYAMAUCHI KIYOSHIGEKOSAKA YORIKOKISHIDA TAKASHI
    • F16C33/76F16C19/36F16C33/80
    • 【課題】転がり軸受に備えられるフィルタ付きのシール装置に関し、そのシール性が損なわれないようにする。【解決手段】外側軌道輪1と内側軌道輪2との間の軸受空間に転動体3が組み込まれ、軸受空間の少なくとも軸方向一方の開口に、潤滑油が通過可能で且つ固形異物が通過不能な透孔23を金属製のリング部材20に形成したシール装置Sを備えた転がり軸受を採用した。外側軌道輪1と内側軌道輪2のうち一方は固定側の軌道輪、他方は回転側の軌道輪であり、リング部材20は固定側の軌道輪に係止され、回転側の軌道輪にはリング部材20とは別部材である金属製のサブリング部材30が固定され、リング部材20とサブリング部材30との間の隙間でラビリンスシール構造を形成した。【選択図】図2
    • 要解决的问题:为了避免与设置在滚动轴承上的过滤器的密封装置相关的密封性能的损害。解决方案:采用具有密封装置S的滚动轴承,滚动体3组装成 外侧滚道环1和内侧滚道环2之间的轴承空间以及润滑剂能够通过轴承空间轴向至少一个开口的通孔23,固体异物不能通过 形成在金属制环状构件20上。外侧滚道环1和内侧滚道环2中的一个是固定侧滚道环,另一方是旋转侧滚道环,环状构件20被锁定在 固定侧轨道环,与环形构件20不同的金属制的副环构件30固定在旋转侧轨道环上,并且迷宫式密封结构形成在环形构件20和子构件20之间的间隙中。 环件30。
    • 4. 发明专利
    • Roller bearing
    • 滚子轴承
    • JP2012211690A
    • 2012-11-01
    • JP2012064675
    • 2012-03-22
    • Ntn CorpNtn株式会社
    • SONE KATSUNORIYAMAMOTO NAOTAYAMAUCHI KIYOSHIGEMIYAZAKI HIROYUKIITO TAKASHI
    • F16C33/78F16C19/36F16C33/58F16C33/66
    • PROBLEM TO BE SOLVED: To ensure that a function for capturing foreign matter can be carried out even if a seal ring thermally expands.SOLUTION: In this roller bearing with a filter, a rolling element 13 is incorporated between an outer bearing ring 11 and an inner bearing ring 12; a seal ring 20 covers the opening of at least one end of the bearing space; and a filter 23 covering an oil hole 22 formed in the seal ring 20 captures foreign matter included in lubrication oil. The seal ring 20 is formed from resin, and the filter 23 and the seal ring 20 are integrated through insert molding. The filter 23 and the seal ring 20 are formed from the same material. A locking part 21 provided on the inner radial side of the seal ring 20 enters a recess provided on the inner bearing ring 12 such that, during thermal expansion thereof, the locking part is locked so as to enable movement of the seal ring in the radial direction with respect to the inner bearing ring 12.
    • 要解决的问题:为了确保即使密封环热膨胀也可以执行用于捕获异物的功能。 解决方案:在带有过滤器的滚柱轴承中,滚动体13结合在外轴承环11和内轴承圈12之间; 密封环20覆盖轴承空间的至少一个端部的开口; 并且覆盖形成在密封环20中的油孔22的过滤器23捕获包含在润滑油中的异物。 密封环20由树脂形成,并且过滤器23和密封环20通过嵌件成型一体化。 过滤器23和密封环20由相同的材料形成。 设置在密封环20的内径侧的锁定部21进入设置在内轴承环12上的凹部,使得在其热膨胀期间,锁定部被锁定,以便能够使密封环在径向 方向相对于内轴承圈12.版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Rolling bearing
    • 滚动轴承
    • JP2014129827A
    • 2014-07-10
    • JP2012286770
    • 2012-12-28
    • Ntn CorpNtn株式会社
    • SHIMIZU YASUHIROYAMAUCHI KIYOSHIGEYAMAMOTO NAOTAMIYAZAKI HIROYUKI
    • F16C33/78B29C45/26B29C45/76F16C33/58F16C43/04
    • F16C33/586B29C45/0025B29C2045/0034B29L2031/26F16C19/26F16C19/364F16C33/667F16C33/726F16C33/7813F16C33/7816F16C33/783F16C33/7833F16C33/7886F16C33/7889F16C43/045F16C43/06Y10T29/49684
    • PROBLEM TO BE SOLVED: To prevent the impairment of the sealing performance of a seal ring having a filter and to extend the life of the seal ring.SOLUTION: In the rolling bearing, an opening in at least one end of a bearing space formed between an outside bearing ring 11 and an inside bearing ring 12 is covered with a resin seal ring 20, a filter 23 is provided in an oil passage hole 22 formed in the seal ring 20 and traps foreign matters included in lubricating oil. The seal ring 20 has convex locking parts 21 at a plurality of peripheral positions on the inner diameter part, and the inside bearing ring 12 has concave parts 30 in the outer periphery part, engaging with the locking parts 21. To the seal ring 20, an annular member 40 is fixed which is made of material softer than the seal ring 20. The annular member 40 constitutes a lip part 41 which is opposed to or abuts on the outside bearing ring 11 at a clearance therefrom. The seal ring 20 is injection molded, and a weld line w formed during the injection molding is arranged in a circumferential azimuth direction of an axis where the oil passage hole 22 does not exist.
    • 要解决的问题:为了防止具有过滤器的密封环的密封性能的损害并延长密封环的寿命。解决方案:在滚动轴承中,在轴承空间的至少一端中的开口 外侧轴承环11和内部轴承环12被树脂密封环20覆盖,过滤器23设置在形成在密封环20中的油通路孔22中,并且捕集润滑油中的异物。 密封环20在内径部的多个周边位置具有凸形的锁定部21,内侧轴承环12在外周部具有凹部30,与锁定部21卡合。在密封环20中, 固定环形构件40,其由比密封环20更软的材料制成。环形构件40构成与外侧轴承环11相对或邻接的唇部41。 密封环20被注射成型,并且在注射成型期间形成的焊接线w布置在不存在油通道孔22的轴的圆周方位方向上。
    • 6. 发明专利
    • Radial tapered roller bearing
    • 径向滚动滚子轴承
    • JP2014066273A
    • 2014-04-17
    • JP2012210579
    • 2012-09-25
    • Ntn CorpNtn株式会社
    • MIYAZAKI HIROYUKITAKO HIROSHIYAGI TAKASHI
    • F16C33/58F16C19/36F16C19/38
    • F16C19/364F16C19/542F16C19/543F16C19/55
    • PROBLEM TO BE SOLVED: To provide a radial tapered roller bearing capable of using a plurality of radial tapered roller bearings while combining them in a state that spacers are not always disposed, and using the spacers of the same size in an inner ring and an outer ring in a case when the spacers are used, thus process efficiency and dimensional accuracy of the spacers can be improved, the number of components can be reduced, and adjustment of bearing clearance, and manufacturing management can be performed with high accuracy.SOLUTION: In a single row radial tapered roller bearing 1, axial widths of an inner ring 2 and an outer ring 3 are made equal to each other by disposing extending portions 2c, 3c so that end faces 2a, 3a and end faces 2b, 3b exist on the same plane orthogonal to the axial direction, at one end side and the other end side in the axial direction of the inner ring 2 and the outer ring 3. A radial tapered roller bearing set can be constituted by bringing the end faces 2b and the end faces 3b of the inner ring 2 and the outer ring 3 into closely contact with each other while opposed to each other without needing spacers.
    • 要解决的问题:提供一种径向圆锥滚子轴承,其能够在不一定设置间隔件的状态下组合使用多个径向圆锥滚子轴承,并且在内圈和外部使用相同尺寸的间隔件 在使用间隔件的情况下,可以提高间隔件的加工效率和尺寸精度,可以减少部件数量,并且可以高精度地进行轴承间隙的调整和制造管理。解决方案:在 单列径向圆锥滚子轴承1,内圈2和外圈3的轴向宽度通过设置延伸部2c,3c而彼此相等,使得端面2a,3a和端面2b,3b存在于 在内圈2和外圈3的轴向的一端侧和另一端侧与轴向正交的同一平面。径向圆锥滚子轴承组可以通过使端面 s 2b和内圈2的端面3b和外圈3彼此紧密接触而彼此相对而不需要间隔件。
    • 7. 发明专利
    • Roller bearing
    • 滚子轴承
    • JP2012211691A
    • 2012-11-01
    • JP2012064678
    • 2012-03-22
    • Ntn CorpNtn株式会社
    • SONE KATSUNORIYAMAMOTO NAOTAITO TAKASHIYAMAUCHI KIYOSHIGEMIYAZAKI HIROYUKI
    • F16C33/78
    • PROBLEM TO BE SOLVED: To prevent deterioration of sealing properties of a seal ring with a filter mounted to a roller bearing.SOLUTION: A rolling element 13 is incorporated between an outer bearing ring 11 and an inner bearing ring 12; a seal ring 20 covers the opening of at least one end of the bearing space formed between the outer bearing ring 11 and the inner bearing ring 12; and a filter 23 covering an oil hole 22 formed in the seal ring 20 captures foreign matter included in lubrication oil. The seal ring 20 is locked with one of the outer bearing ring 11 or the inner bearing ring 12. A circular member 40, which is formed of a material softer than that of the seal ring 20 is fixed to the seal ring 20. A lip 41 is constituted of the circular member 40, opposing to the outer bearing ring 11 or to the other end of the inner bearing ring 12 separated with a space or attached thereto.
    • 要解决的问题:为了防止安装在滚子轴承上的过滤器的密封环的密封性能的劣化。 解决方案:滚动元件13结合在外轴承环11和内轴承环12之间; 密封环20覆盖形成在外轴承环11和内轴承环12之间的轴承空间的至少一端的开口; 并且覆盖形成在密封环20中的油孔22的过滤器23捕获包含在润滑油中的异物。 密封环20与外轴承​​环11或内轴承环12中的一个锁定。由比密封环20更软的材料形成的圆形构件40固定到密封环20。 41由圆形构件40构成,该圆形构件40与外部轴承环11相对,或者与内部轴承环12的另一端相对,该内侧轴承环12以空间分离或附接到其上。 版权所有(C)2013,JPO&INPIT