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    • 75. 发明公开
    • BEARING DEVICE, CONVEYANCE DEVICE, INSPECTION DEVICE AND MACHINE TOOL
    • 轴承装置,输送装置,检查装置和机床
    • EP3135936A1
    • 2017-03-01
    • EP15783856.6
    • 2015-04-22
    • NSK Ltd.
    • KONISHI, Hirohide
    • F16C35/077F16C19/06F16C41/00H02K7/08G01D5/20
    • 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。
    • 77. 发明公开
    • Sealing device
    • 密封装置
    • EP2821661A2
    • 2015-01-07
    • EP14172092.0
    • 2014-06-12
    • NOK CORPORATION
    • Furuyama, HideyukiYamaguchi, YoshihisaWatanabe, ToshikiShonai, Masaru
    • F16C33/78
    • F16C33/7876F16C19/06F16C33/6655F16C33/74F16C33/7823F16C33/7833F16C2240/54F16J15/324F16J15/328
    • The invention provides a sealing device (1) which is installed to an opening portion between an outer ring and an inner ring of a bearing and inhibits a foreign matter in an outer portion of the bearing from entering into an inner portion of the bearing, the sealing device having an attaching ring which is attached to the outer ring, and a seal lip which is retained to the attaching ring and slidably comes into close contact with the inner ring, wherein the sealing device can meet the needs of torque reduction in recent years, and can exert an excellent sealing performance. The seal lip integrally has a first inclined surface portion which is diagonally formed toward an inner side in a diametrical direction and toward an inner side of the bearing from a base end portion of a lip, and a second inclined surface portion which is diagonally formed toward an inner side in a diametrical direction and toward an outer side of the bearing from a leading end of the first inclined surface portion. The second inclined surface portion is set to a sliding portion in relation to the inner ring. A satin finished processing for enlarging a surface roughness of the sliding portion is applied to the sliding portion.
    • 本发明提供一种被安装到外环和轴承的内圈之间的开口部的密封装置(1),并从进入轴承的内部部分抑制了轴承的外部分上的异物时,该 具有被附接到所述外环的附接环,其被保持于附接环和可滑动地抵接于内圈紧密接触,其中,所述密封装置能够满足近年来扭矩减小的需求的密封唇的密封装置 ,并能发挥出色的密封性能。 密封唇一体具有在直径方向和朝向从唇的基端部的轴承的内侧面朝向内侧斜形成的第一倾斜表面部分,并且该对角朝向形成的第二倾斜表面部 从所述第一倾斜表面部分的前端沿直径方向的内侧并且朝向所述轴承的外侧。 第二倾斜表面部分被设置为相对于内圈的滑动部分。 用于增大滑动部分的表面粗糙度的缎光精加工处理被施加到滑动部分。