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    • 4. 发明专利
    • Fitting structure of cylindrical member
    • 圆柱构件的配置结构
    • JP2013193592A
    • 2013-09-30
    • JP2012063692
    • 2012-03-21
    • Daikyonishikawa Corpダイキョーニシカワ株式会社
    • YAMAGUCHI TAKASHI
    • B62D1/20F16B7/20F16J15/16F16J15/32
    • F16D1/033B62D1/16B62D1/20B62D3/02Y10T403/52
    • PROBLEM TO BE SOLVED: To provide a fitting structure of a cylindrical member, capable of preventing one cylindrical member from being detached out of the other due to vibrations or the like and reducing time and labor of fitting work while securing a sealing performance.SOLUTION: A recess 27 is formed in an outer peripheral surface 25a of a first fitting cylinder part 25, and also a flange 39 and a second fitting cylinder part 41 are provided in one end of a second cylindrical member 31 which is a portion of a dust cover 3. A seal member 55 is attached to the flange 39, and a protrusion 43 is projected on an inner peripheral surface 41a of the second fitting cylinder part 41. Then, while the first fitting cylinder part 25 is internally fitted into the second fitting cylinder part 41, and the recess 27 and the protrusion 43 are meshably fitted together, the seal member 55 is kept under strong pressure by the first fitting cylinder part 25 and the flange 39. Thus, the vertical movement of both fitting cylinder parts 25 and 41 is restricted, so that the seal member 55 is strongly pressed to secure the seal performance.
    • 要解决的问题:为了提供圆柱形构件的装配结构,能够防止一个圆柱形构件由于振动等而被分离,并且在确保密封性能的同时减少了装配工作的时间和劳动。解决方案: 在第一嵌合筒部25的外周面25a形成有凹部27,在作为防尘罩的一部分的第二圆筒部件31的一端设置有凸缘部39和第二嵌合筒部41 密封构件55附接到凸缘39,突起43突出在第二嵌合筒部41的内周面41a上。然后,第一嵌合筒部25内嵌于第二嵌合筒 部分41,并且凹部27和突起43可啮合地装配在一起,密封构件55被第一配合圆筒部分25和凸缘39保持在强的压力下。因此,垂直运动 f都限制了装配缸部分25和41,使得密封构件55被强力地按压以确保密封性能。