CN109237070A - 具有阀芯轨道的半球阀 - Google Patents

具有阀芯轨道的半球阀 Download PDF

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Publication number
CN109237070A
CN109237070A CN201811406498.6A CN201811406498A CN109237070A CN 109237070 A CN109237070 A CN 109237070A CN 201811406498 A CN201811406498 A CN 201811406498A CN 109237070 A CN109237070 A CN 109237070A
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valve
spool
spherical
crankshaft
centre
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CN109237070B (zh
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许秀舫
郑景辉
唐家伟
李淑杰
黄爽
张宇
宫宇平
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TIELING LARGE VALVE (GROUP) CO Ltd
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TIELING LARGE VALVE (GROUP) CO Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663Packings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08Details

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

一种具有阀芯轨道的半球阀,有球形阀体,阀体的上方有阀盖,上盖和阀体内的下方分别有阀轴座,阀轴座之间有球面曲轴,球面曲轴的中间连有球冠形阀芯,阀体内的出口处有阀体密封环,阀芯上有与阀体密封环相配合的阀芯密封环,阀盖上有与球面曲轴上端相连的阀门驱动装置,阀芯的中间铰接在球面曲轴的中间,阀芯外圆周的上、下处有径向短轴,径向短轴上有滚轮,在阀盖的下方和阀体内的下方,分别有所在平面与阀轴垂直、与上述滚轮相配合的一段圆弧形轨道。本发明的阀芯铰接在球面曲轴上,阀芯在球面曲轴的带动下在圆弧形轨道的约束下旋转,在开启和关闭时,阀体密封环和阀芯密封环的磨损较小、长期使用也能保证密封副的配合。

Description

具有阀芯轨道的半球阀
技术领域
本发明涉及一种上装式半球阀,特别是一种上装式半球阀的球冠形阀芯的轨道和球冠形阀芯与球面曲轴连接。
背景技术
上装式半球阀有球形阀体,阀体的前方有出口,阀体的后方有入口,阀体的上方有阀盖,上盖和阀体内的下方分别有阀轴座,阀轴座之间有球面曲轴,球面曲轴的中间连有球冠形阀芯,阀体内的出口处有阀体密封环,阀芯上有与阀体密封环相配合的阀芯密封环,阀盖上有与球面曲轴上端相连的阀门驱动装置。
驱动装置驱动球面曲轴沿阀轴旋转可带动球冠形阀芯沿阀轴正、反向旋转,实现半球阀的开启和关闭。
现有技术中,半球阀的球冠形阀芯的中间定位地连在球面曲轴的中间,是悬臂梁结构,半球阀的开启和关闭时,阀体密封环和阀芯密封环的磨损较大,使用一段时间后,阀芯给与球面曲轴的连接会发生松动,长期使用不能长期保证密封副的配合。
发明内容
本发明的目的是为了克服上述不足,提出一种开启和关闭时,阀体密封环和阀芯密封环的磨损较小、长期使用也能保证密封副配合的具有阀芯轨道的具有阀芯轨道的半球阀。
本发明是用如下方法实现的。
具有阀芯轨道的半球阀有球形阀体,阀体的前方有出口,阀体的后方有入口,阀体的上方有阀盖,上盖和阀体内的下方分别有阀轴座,阀轴座之间有球面曲轴,球面曲轴的中间连有球冠形阀芯,阀体内的出口处有阀体密封环,阀芯上有与阀体密封环相配合的阀芯密封环,阀盖上有与球面曲轴上端相连的阀门驱动装置,
阀芯的中间铰接在球面曲轴的中间,阀芯外圆周的上、下处有径向短轴,径向短轴上有滚轮,在阀盖的下方和阀体内的下方,分别有所在平面与阀轴垂直、与上述滚轮相配合的一段圆弧形轨道。
由于本发明阀芯的中间铰接在球面曲轴的中间,阀芯外圆周的上、下处有径向短轴,径向短轴上有滚轮,在阀盖的下方和阀体内的下方,分别有所在平面与阀轴垂直、与上述滚轮相配合的一段圆弧形轨道。使用时,驱动装置驱动球面曲轴沿阀轴正、反向旋转可带动球冠形阀芯在圆弧形轨道的约束下沿阀轴正、反向旋转。在开启时,驱动装置驱动球面曲轴沿阀轴正向旋转,阀芯在球面曲轴的带动下先向径向移动一小段距离,离开阀体密封环,让阀芯密封环与阀体密封环有一定的间隙,然后阀芯在圆弧形轨道的约束下沿阀轴正向旋转开启阀门,在关闭时,驱动装置驱动球面曲轴沿阀轴反向旋转,阀芯在球面曲轴的带动下在圆弧形轨道的约束下反向旋转到达阀体密封环的位置前,阀芯密封环与阀体密封环可以有一定的间隙,再让驱动装置驱动球面曲轴沿阀轴反向旋转一小段,使密封副贴合。
本发明阀芯的中间铰接在球面曲轴的中间,阀芯外圆周的上、下处有径向短轴,径向短轴上有滚轮,在阀盖的下方和阀体内的下方,分别有所在平面与阀轴垂直、与上述滚轮相配合的一段圆弧形轨道。在开启和关闭时,阀体密封环和阀芯密封环的磨损较小、阀芯在球面曲轴的带动下在圆弧形轨道的约束下旋转,长期使用也能保证密封副的配合。
下面结合附图,对本发明作进一步地说明。
附图说明
图1是根据本发明的发明方案提出的一种具有阀芯轨道的半球阀的主剖视示意图;
图2是图1的立体拆分局剖示意图。
具体实施方式
图1、图2中,具有阀芯轨道的半球阀有球形阀体1,阀体的前方有出口2,阀体的后方有入口3,阀体的上方有上盖4,上盖和阀体内的下方分别有阀轴座5、6,阀轴座之间有球面曲轴7,球面曲轴的中间连有球冠形阀芯8,阀体内的出口处有阀体密封环9,阀芯上有与阀体密封环相配合的阀芯密封环10,阀盖上有与球面曲轴上端相连的阀门驱动装置11,
阀芯的中间铰接在球面曲轴的中间,阀芯外圆周的上、下处有径向短轴12,径向短轴上有滚轮13,在阀盖的下方和阀体内的下方,分别有所在平面与阀轴垂直、与上述滚轮相配合的一段圆弧形轨道14、15。

Claims (1)

1.一种具有阀芯轨道的半球阀,有球形阀体,阀体的前方有出口,阀体的后方有入口,阀体的上方有阀盖,上盖和阀体内的下方分别有阀轴座,阀轴座之间有球面曲轴,球面曲轴的中间连有球冠形阀芯,阀体内的出口处有阀体密封环,阀芯上有与阀体密封环相配合的阀芯密封环,阀盖上有与球面曲轴上端相连的阀门驱动装置,其特征在于:
阀芯的中间铰接在球面曲轴的中间,阀芯外圆周的上、下处有径向短轴,径向短轴上有滚轮,在阀盖的下方和阀体内的下方,分别有所在平面与阀轴垂直、与上述滚轮相配合的一段圆弧形轨道。
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE102022116088A1 (de) 2022-06-28 2023-12-28 Pierburg Gmbh Drehschieberventil

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DE102022116088A1 (de) 2022-06-28 2023-12-28 Pierburg Gmbh Drehschieberventil
DE102022116088B4 (de) 2022-06-28 2024-05-23 Pierburg Gmbh Drehschieberventil

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