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    • 97. 发明公开
    • SEALED BEARING
    • 密封轴承
    • EP3269989A1
    • 2018-01-17
    • EP16761754.7
    • 2016-03-08
    • NTN Corporation
    • INAMASU KazunoriYOSHIMURA YugoWAKUDA TakahiroSASAKI Katsuaki
    • F16C33/78
    • F16C33/7823F16C19/06F16C33/726F16C33/7826F16C33/7833F16C33/7856F16C2223/08F16C2300/02F16C2326/06F16J15/3408F16J15/3428
    • A sealed bearing assembly includes seal members (2) each including a seal lip (9) formed with multiple protrusions (14), and arranged such that oil passages (15) are formed between the seal lip (9) and a seal sliding surface (10) which slides circumferentially relative to the protrusions (14) such that the oil passages (15) communicate with the bearing internal space (6) and the exterior of the bearing, and prevent passage of foreign objects having particle diameters larger than a predetermined value therethrough. The seal lip (9) and the seal sliding surface (10) are arranged such that when the bearing rotates, lubricating oil in the oil passages (15) are pulled into the spaces between the seal lip (9) and the seal sliding surface (10) such that fluid lubricating condition is created between the seal lip (9) and the seal sliding surface (10), whereby oil film is easily formed therebetween.
    • 密封轴承组件包括密封构件(2),每个密封构件包括形成有多个突起(14)的密封唇(9),并且布置成使得在密封唇(9)和密封滑动表面(9)之间形成油通道(15) (15)与轴承内部空间(6)以及轴承外部连通,并且防止粒径大于规定值的异物 穿过。 密封唇9和密封滑动面10布置成使得当轴承旋转时油通道15中的润滑油被拉入密封唇9和密封滑动面9之间的空间中 10),从而在密封唇(9)和密封滑动表面(10)之间产生流体润滑状态,由此容易在其间形成油膜。
    • 99. 发明公开
    • BEARING DEVICE, CONVEYANCE DEVICE, INSPECTION DEVICE AND MACHINE TOOL
    • TRÄGERVORRICHTUNG,FÖRDERVORRICHTUNG,INSPEKTIONSVORRICHTUNG UND WERKZEUGMASCHINE
    • EP3135936A4
    • 2017-09-27
    • EP15783856
    • 2015-04-22
    • NSK LTD
    • KONISHI HIROHIDE
    • F16C35/077F16C19/06F16C33/78F16C35/073F16C41/00G01D5/20H02K7/08H02K11/21
    • F16C19/06F16C33/768F16C33/7833F16C35/067F16C35/073F16C35/077F16C41/00F16C2220/02F16C2380/26G01D5/20H02K7/08H02K11/21
    • To provide a bearing device that can suppress movement of a bearing in an axial direction with a simple configuration, and a conveying device, an inspection device, and a machine tool using the bearing device. Provided are a bearing 11 including an inner ring 21 and an outer ring 23 arranged to face each other with a rolling element 25 interposed therebetween, and a housing 7 including a housing inner 3 supported by the inner ring 21 and a rotor flange 5 supported by the outer ring 23. The rotor flange 5 includes a pair of C-type retaining rings 53 and 53 respectively arranged at one end surface 23a side in an axial direction of the outer ring 23 and at the other end surface 23b side in the axial direction of the outer ring 23, groove portions 52 and 52 extending in a circumferential direction and in which the pair of C-type retaining rings 53 and 53 is respectively mounted, and first gap sealing members 65 formed of a resin material and arranged in gaps between the C-type retaining rings 53 and the respective end surfaces 23a and 23b in the axial direction of the bearing 11, and gaps between the C-type retaining rings 53 and the groove portions 52.
    • 本发明提供一种能够以简单的结构抑制轴承的轴向移动的轴承装置以及使用该轴承装置的输送装置,检查装置以及机床。 本发明提供一种轴承11,该轴承11具备隔着滚动体25对置配置的内圈21和外圈23以及由内圈21支承的壳体内部3和由该壳体内部支承的转子凸缘5的壳体7 外圈23.转子凸缘5包括分别配置在外圈23的轴向的一端面23a侧和轴向的另一端面23b侧的一对C型挡圈53,53 在周向上延伸的槽部52,52,分别安装有一对C型挡圈53,53;以及第一间隙密封部件65,其由树脂材料形成,配置在外圈23的间隙 C型保持环53以及轴承11的轴向上的各个端面23a和23b以及C型保持环53和槽部52之间的间隙。