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    • 3. 发明专利
    • Improved screw head
    • 改进的螺丝头
    • JP2012130689A
    • 2012-07-12
    • JP2011275722
    • 2011-12-16
    • Straumann Holding Agストラウマン ホールディング アーゲー
    • COURVOISIER STEPHANE
    • A61C8/00
    • A61C8/0074A61C8/005A61C8/0068F16B31/00F16B35/06
    • PROBLEM TO BE SOLVED: To provide a screw component having design which is resistant to higher torque without changing materials or a whole size.SOLUTION: A fastening system includes a screw component 10 and a pedestal component 20. The screw component includes a screw part 13 and a shaft 12 having a radius Rextended along an axis line 5 in the longitudinal direction, and further includes a head 14 at one end of the shaft. A bottom part end 15 of the head has a maximum radius Rlarger than the radius Rof the shaft, a lower surface 18 in which the head is exposed is extended in the radial direction beyond the radius Rof the shaft, and a screw passage 21 of the pedestal component 20 includes a flat screw seat 22 having a minimum radius Requal to or larger than the radius R. The bottom part end 15 of the head has a circular contact surface abutted on the screw seat 22, the contact surface is formed by at least one projection part 17 extended downward on a lower surface of the head, and the contact surface has a minimum radius larger than the minimum radius Rof the screw seat 22.
    • 要解决的问题:提供一种具有耐高扭矩设计的螺丝组件,而不改变材料或整体尺寸。 解决方案:紧固系统包括螺钉部件10和基座部件20.螺钉部件包括螺纹部分13和具有延伸的半径R 1 的轴12 在纵向方向上的轴线5,并且还包括在轴的一端的头部14。 头部的底部端部15具有大于轴的半径R 1 的最大半径R 2 ,下部 头部露出的表面18在径向上延伸超过轴的半径R 1 ,并且基座部件20的螺纹通道21包括扁平螺钉座 22具有等于或大于半径R 1 的最小半径R 3 。 头部的底部端部15具有邻接在螺钉座22上的圆形接触表面,接触表面由在头部的下表面上向下延伸的至少一个突出部分17形成,并且接触表面具有最小半径 大于螺丝座22的最小半径R 3 。版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Torque control bolt for hose clamp
    • 用于软管夹的扭矩控制螺栓
    • JP2013221620A
    • 2013-10-28
    • JP2013079619
    • 2013-04-05
    • Dong-A Metal Co Ltd株式会社東亜金属DONG METAL CO.,Ltd.
    • KIM MYUNG HOONJO CHUNG YONGBAE YOUNG JINKIM JIN WUKPARK KYU DONG
    • F16B31/02F16B2/08F16L33/06
    • F16B31/00F16B7/0426F16B7/182F16B19/1054F16B23/0038F16B23/0053F16B23/0092F16B31/021F16L33/08
    • PROBLEM TO BE SOLVED: To maximize efficiency of fastening work while preventing damage of a hose clamp and a hose by preventing an excessive force of a tool from being transmitted when fastening the hose clamp, with simple configuration.SOLUTION: A torque control bolt 110 for a hose clamp includes: a fracture bolt 112 including a bolt body 115 to transmit torque of a tool to a head 111 of a fastening bolt 105; a coupling means 113 which is formed in the head 111 and the fracture bolt 112 to retain a coupling force; and a fracture part which is formed in the fracture bolt 112 to prevent torque equal to or more than preset torque from being transmitted to the fastening bolt 105 as torque of the tool. The coupling means 113 includes a male coupler 116 and a female coupler 117, and the fracture part includes a notch which is formed in a boundary position between the bolt body 115 and the male coupler 116, and a fracture guide groove which is formed so as to reduce thickness in a fracture position inward from an outer surface center of the bolt body 115.
    • 要解决的问题:为了最大限度地提高紧固工作的效率,同时防止软管夹和软管的损坏,通过防止在紧固软管夹时传递过大的工具,结构简单。解决方案:一种扭矩控制螺栓110,用于 软管夹具包括:断裂螺栓112,其包括用于将工具的扭矩传递到紧固螺栓105的头部111的螺栓本体115; 形成在头部111和断裂螺栓112中以保持联接力的联接装置113; 以及断裂部,其形成在断裂螺栓112中,以防止扭矩等于或大于预设扭矩作为工具的扭矩传递到紧固螺栓105。 联接装置113包括阳联接器116和阴连接器117,并且断裂部包括形成在螺栓本体115和阳连接器116之间的边界位置的凹口和形成为 以减小从螺栓本体115的外表面中心向内的断裂位置的厚度。