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    • 7. 发明授权
    • Electromagnetic vibrating diaphragm pump
    • 电磁振动隔膜泵
    • US09441623B2
    • 2016-09-13
    • US14117540
    • 2012-05-02
    • Hideki IshiiTsuyoshi Takamichi
    • Hideki IshiiTsuyoshi Takamichi
    • F04B43/02F04B43/00F04B43/04F04B45/04F04B45/047
    • F04B43/026F04B43/0054F04B43/04F04B45/04F04B45/043F04B45/047
    • An electromagnetic vibrating diaphragm pump enabling improvement of working efficiency in fitting center plates to a diaphragm, reduction of production cost and stabilization of performance between products. The disk-like second plate includes the cruciform rising portion having the concave portions, and the second ring rib. The first ring rib is formed at the center of the surface of the disk-like first plate coming into contact with the diaphragm, and a fitting groove provided with convex portions to be press-fitted to the concave portions is formed by this first ring rib. The diaphragm has the protrusions for preventing the diaphragm from being pressed out on the periphery of the through-hole at its center, and the protrusions are engaged with the ring ribs from the circumference of the protrusion.
    • 一种电磁振动隔膜泵,能够提高将中心板安装在隔膜上的工作效率,降低生产成本,并使产品之间的性能稳定。 盘状的第二板包括具有凹部的十字形上升部和第二环状肋。 第一环形肋形成在与隔膜接触的盘状第一板的表面的中心处,并且设置有压配合到凹部的凸部的嵌合槽由该第一环形肋 。 隔膜具有用于防止隔膜在其中心的通孔的周边上被压出的突起,并且突起从突起的周边与环形肋接合。