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    • 9. 发明专利
    • Fastening structure having two members and fluid filter using the same
    • 具有两个成员的快速结构和使用该成员的流体过滤器
    • JP2009085035A
    • 2009-04-23
    • JP2007252529
    • 2007-09-27
    • Toyota Boshoku Corpトヨタ紡織株式会社
    • HANASE TSUTOMUTOMITA MASAHIRO
    • F01M11/03B01D27/08B01D35/02B01D35/30
    • B01D35/30B01D2201/403B01D2201/4092F16B39/01Y10T403/142
    • PROBLEM TO BE SOLVED: To provide a fastening structure having two members that can prevent an axial force from decreasing due to loosening of screw connection even at a temperature higher than that during tightening, and that always maintains a firm fastening state and to provide a fluid filter using the structure. SOLUTION: The fastening structure of the two members comprises a member 2 that has a high thermal expansion rate is provided with an abutting portion 2c on its tip end side of a screw-connecting portion thereof, and the other member 3 that has a low thermal expansion rate is provided with an abutted portion 3d that is abutted by the abutting portion on a base end side of a screw-connected portion. As the temperature becomes higher, such a fastening structure is clasped more strongly by the screw-connected portion and the abutted portion of the member having the low thermal expansion rate is more tightly clasped and compressed. As a result, the fastening force between the two members increases and the axial force increases. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种紧固结构,其具有两个构件,即使在高于紧固时的温度下也能够防止由于螺钉连接松动而导致的轴向力降低,并且始终保持紧固状态,并且 提供使用该结构的流体过滤器。 解决方案:两个构件的紧固结构包括具有高热膨胀率的构件2,其在其螺钉连接部的顶端侧上设置有抵接部2c,而另一构件3具有 低热膨胀率设置有抵靠部分3d,该邻接部分3d在螺纹连接部分的基端侧上与抵接部分抵接。 当温度变高时,这种紧固结构被螺纹连接部分更牢固地紧固,并且具有低热膨胀率的部件的邻接部分被更紧密地压紧和压缩。 结果,两个构件之间的紧固力增加并且轴向力增加。 版权所有(C)2009,JPO&INPIT