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    • 4. 发明授权
    • Gasket clamp structure
    • 垫片夹结构
    • US5924813A
    • 1999-07-20
    • US7028
    • 1998-01-14
    • Eiji Sasaki
    • Eiji Sasaki
    • F16B35/00F16B33/00F16J15/06F16B5/02
    • F16B33/004Y10T403/16Y10T403/52Y10T403/75Y10T74/2186
    • A gasket clamp structure is provided which includes a gasket clamping bolt having a male screw and a coating material that is applied to an outer circumferential surface of a distal end portion of the male screw, a retaining member having a mounting hole, a casing having a thread hole in which a female screw is formed, and a gasket interposed between the retaining member and the casing and having a mounting hole. The gasket clamping bolt is inserted and screwed into the thread hole of the casing through the mounting holes of the retaining member and gasket, so that the gasket is clamped between the casing and the retaining member. A recess is formed in an inlet portion of the thread hole of the casing such that the recess has an inside diameter that is larger than an outside diameter of a thread of the male screw of the gasket clamping bolt. The depth of the recess is determined such that the bolt-head side end of the portion to which the coating material is applied is located below the gasket and fully received in the recess, when the male screw is inserted into the recess and is brought into engagement with the female screw of the casing.
    • 提供了一种垫圈夹紧结构,其包括:垫圈夹紧螺栓,其具有外螺纹和涂覆材料,该涂层材料施加到外螺纹的远端部分的外圆周表面,具有安装孔的保持构件, 其中形成有内螺纹的螺纹孔和插入在保持构件和壳体之间并具有安装孔的垫圈。 垫圈夹紧螺栓通过保持构件和垫圈的安装孔插入并拧入外壳的螺纹孔中,使得垫圈夹在外壳和保持构件之间。 在壳体的螺纹孔的入口部分形成凹部,使得凹部的内径大于垫圈夹紧螺栓的外螺纹的螺纹的外径。 确定凹部的深度,使得施加涂层材料的部分的螺栓头侧端部位于垫圈下方并且完全容纳在凹部中时,当外螺纹插入凹部中并被插入 与外壳的内螺纹啮合。