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1. 发明授权

US5788465A Tool-less pump head configuration 失效
标题翻译：无工具泵头配置
公开(公告)号：US5788465A
公开(公告)日：1998-08-04
申请号：US606149
申请日：1996-02-23
申请人： Joseph A. Luongo , Jeffrey Howard Stokes , Robert E. Reynolds , Wade P. Leveille , Robert J. Dumas
发明人： Joseph A. Luongo , Jeffrey Howard Stokes , Robert E. Reynolds , Wade P. Leveille , Robert J. Dumas
IPC分类号： F04B53/14 , F04B53/22 , F04B17/00
CPC分类号： F04B53/14 , F04B53/147 , F04B53/22 , F05C2201/0478 , F05C2203/0873
摘要： A pump configured so that tools are not required to remove the pump head and disassemble the plunger. A single large hand operated knob or head nut facilitates tool-less pump head removal. The pump head is guided into position in a manifold and held in place by the hand knob. The manifold is designed to receive all the external fluidic connections made to the pump head. Fluid paths to the pump head have been replaced with miniature face seals which facilitate high pressure sealing between the pump head and manifold. Low pressure tubing seals reside in a seal wash chamber or housing and are not attached to the head, eliminating the need for tooling to disconnect them during pump head removal. A tool-less plunger mechanism includes a nutcap assembly having a plunger socket receiving a plunger assembly including a sapphire plunger fixed to a plunger holder ball accommodated by the socket. The plunger assembly is captured within the socket by a plurality of cams. The cams are spring loaded to rotate and collapse onto the plunger holder ball, pulling the plunger assembly tightly into the socket. A restricting cone is actuated to rotate the cams away from the plunger holder ball for release and removal of the plunger assembly.
摘要翻译：泵被配置为使得不需要工具来移除泵头并拆卸柱塞。单个大型手动旋钮或头螺母便于无需泵头拆卸。泵头被引导到歧管中的位置，并通过手柄保持在适当的位置。歧管设计用于接收与泵头形成的所有外部流体连接。泵头的流体路径已被替换为便于在泵头和歧管之间进行高压密封的微型面密封件。低压油管密封件位于密封清洗室或外壳中，并且不连接到喷头上，因此无需在泵头拆卸过程中切割工具。一种无需工具的柱塞机构包括一个具有活塞插座的螺母盖组件，所述活塞插座接收柱塞组件，所述活塞组件包括固定到由所述插座容纳的柱塞座球的蓝宝石柱塞。柱塞组件通过多个凸轮捕获在插座内。凸轮被弹簧加载以旋转并塌陷到柱塞保持器球上，将柱塞组件紧紧地拉入插座中。致动限制锥以将凸轮转动离开活塞保持器球以释放和移除柱塞组件。

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