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公开(公告)号:US07592562B1
公开(公告)日:2009-09-22
申请号:US12262304
申请日:2008-10-31
摘要: A switch assembly (1) includes a rotary electrical switch body (13) having a plurality of switch positions, a switch stem (12) extending along a first axis (32) and having a first and second ends, the first end engaging the rotary switch (14) for alternating the rotary switch body between the plurality of switch positions responsive to rotation of the switch stem about the first axis, and a knob assembly (10). The knob assembly includes a knob core contacting the second end of the switch stem, a knob collar (22) contacting the knob core and adapted for rotating the knob core and the switch stem about the first axis, where the knob collar includes a first upper stop member (46), and a stop cam (20) having a fixed position relative to the switch stem and disposed between the knob core and the rotary switch, where the stop cam includes a lower stop member (31) having a feature for engaging the first upper stop member when the first upper stop member and the lower stop member are disposed along a common path. In the switch assembly, the first upper stop member travels in a circumferential path normal to the first axis responsive to the knob collar rotating the knob core and the switch stem, where the knob collar is displaceable along the first axis between first and second axial positions, where the lower stop member is in the circumferential path when the knob collar is in the first axial position, and where the lower stop member is removed from the circumferential path when the knob collar is in the second axial position.
摘要翻译: 开关组件(1)包括具有多个开关位置的旋转电气开关本体(13),沿着第一轴线(32)延伸并具有第一和第二端的开关杆(12),第一端接合旋转 开关(14),用于响应于所述开关杆绕所述第一轴的旋转而在所述多个开关位置之间交替所述旋转开关体,以及旋钮组件(10)。 所述旋钮组件包括与所述开关杆的第二端接触的旋钮芯,与所述旋钮芯接触并适于使所述旋钮芯和所述开关杆围绕所述第一轴线旋转的旋钮轴环(22),其中所述旋钮轴环包括第一上部 止动构件(46)和止动凸轮(20),其具有相对于开关杆固定的位置并且设置在纽扣芯和旋转开关之间,其中止动凸轮包括具有用于接合的特征的下止动构件(31) 当第一上止挡构件和下止挡构件沿着公共路径设置时,第一上止挡构件。 在开关组件中,第一上止动构件在垂直于第一轴线的圆周路径中行进,响应于旋钮轴环旋转旋钮芯和开关杆,其中旋钮环可沿着第一轴线在第一和第二轴向位置之间移位 其中当所述把手环处于所述第一轴向位置时,所述下止动构件处于所述圆周路径中,并且当所述把手环处于所述第二轴向位置时所述下止动构件从所述圆周路径移除。