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    • 8. 发明专利
    • Butt joining method, mechanical clinching device and method of manufacturing joining rod and cylinder device
    • 切割方法,机械切割装置及其制造方法和连接装置的制造方法
    • JP2008055483A
    • 2008-03-13
    • JP2006236732
    • 2006-08-31
    • Hitachi Ltd株式会社日立製作所
    • NISHIMURA MAKOTO
    • B21D39/00F16B7/04F16F9/19
    • B21D39/04F16B17/004Y10T403/49Y10T403/559Y10T403/62Y10T403/7073
    • PROBLEM TO BE SOLVED: To provide a butt joining method by which two members are joined in high strength and with high accuracy by utilizing plastic deformation. SOLUTION: A bolt-shaped member 10 having a female die part 20 on its one end and a piston rod 4 on which three annular grooves 21 (21A, 21B, 21C) are formed in the tip part (male die part) which can be fit into the female die part 20 are butted while being fit. In this state, the side wall of the female die part 20 is radially forced into the annular grooves 21 of the piston rod 4 by a mechanical clinching system. At this time, forcing is performed so that a clinched part 22 (22A, 22B, 22C) to be formed by forcing are zigzag arranged between mutual adjacent annular grooves 21, a desired joining strength is secured and the separation in the butt part between the bolt-shaped member 10 and the piston rod 4 is suppressed by suppressing the elongation of a material. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种通过利用塑性变形使两个构件以高强度和高精度接合的对接接合方法。 解决方案:在其一端具有阴模部分20的螺栓状构件10和活塞杆4,其中在顶端部分(阳模部分)中形成有三个环形槽21(21A,21B,21C) 可以配合在阴模部件20中的装配件对接。 在这种状态下,阴模部件20的侧壁通过机械夹紧系统被径向地压入活塞杆4的环形槽21中。 此时,进行强制,使得通过强制形成的铆接部22(22A,22B,22C)在相邻的相邻的环形槽21之间以Z字形排列,确保所需的接合强度,并且在对接部分 通过抑制材料的伸长率来抑制螺栓状构件10和活塞杆4。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Jointing structure of hollow members
    • 中国会员组合结构
    • JP2007222877A
    • 2007-09-06
    • JP2006043594
    • 2006-02-21
    • Showa Denko Kk昭和電工株式会社
    • KOKUBO SADAO
    • B21D39/04B21D53/88B60R19/04B60R19/24B62D21/02
    • B62D21/02B21D39/04Y10T29/49908Y10T403/18Y10T403/41
    • PROBLEM TO BE SOLVED: To provide a jointing structure of hollow members which has high durability and is manufactured inexpensively. SOLUTION: An inserting hole 12 is provided on at least one wall part 11 of a pair of opposed wall parts 11, 11 which are opposed each other of a first hollow member 10. A sleeve 30 for preventing the peripheral part 12a of the inserting hole 12 from biting into the outer peripheral surface of a second hollow member 20 is fixed to the first hollow member 10 while the sleeve is inserted into the inserting hole 12. While the second hollow member 20 is inserted into the sleeve 30, the peripheral wall part 22 of a portion inserted into the sleeve 30 of the second hollow member 20 is expanded and the peripheral wall part 22 of the inserted portion of the second hollow member 20 comes in pressurized contact with and fixed to the inner peripheral surface of the sleeve 30. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供耐久性高且廉价制造的中空构件的接合结构。 解决方案:插入孔12设置在一对相对的壁部分11,11的至少一个壁部分11上,第一中空部件10彼此相对。用于防止周边部分12a的套筒30 当套筒插入插入孔12中时,插入第二中空构件20的外周面的插入孔12固定到第一中空构件10.当第二中空构件20插入套筒30中时, 插入第二中空构件20的套筒30的部分的周壁部22膨胀,并且第二中空构件20的插入部的周壁部22与第二中空构件20的内周面进行加压接触并固定 袖子30.版权所有(C)2007,JPO&INPIT