CN101220867B - 梭式减振截止阀 - Google Patents

梭式减振截止阀 Download PDF

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CN101220867B
CN101220867B CN2007100507938A CN200710050793A CN101220867B CN 101220867 B CN101220867 B CN 101220867B CN 2007100507938 A CN2007100507938 A CN 2007100507938A CN 200710050793 A CN200710050793 A CN 200710050793A CN 101220867 B CN101220867 B CN 101220867B
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valve
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CN101220867A (zh
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曾祥炜
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Sichuan red earth Tianfu Passive Control Technology Co. Ltd.
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曾祥炜
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Abstract

本发明为梭式减振截止阀，解决已有截止阀启闭不灵敏，噪音大，耗能高的问题。阀体(1)的进口通道(28)与出口通道(29)的竖向连通段(34)上有阀座(30)，阀座上空有导向套(31)与阀体(1)或阀盖(4)连接，导向套的柱面上有通孔(33)，导向套与阀瓣动配合，阀瓣(2)与阀座(30)密封配合，阀杆(17)与阀盖(4)螺纹连接，阀杆(17)下端面为弧面，与阀瓣(2)的内腔底平面点接触，阀杆(17)与挡圈(3)连接，挡圈(3)的下面与阀瓣(2)内腔的台阶面接触，挡圈(3)的上面与衬套(23)的下端面接触，衬套(23)内壁与阀杆(17)外壁螺纹连接，衬套(23)的法兰与阀瓣(2)上面之间有柔性垫或缓冲元件(24)。

Description

梭式减振截止阀
技术领域：
本发明与截止阀有关。
背景技术：
现有的截止阀的阀杆与阀瓣刚性联连，阀的开启、关闭、运行中的振荡通过阀瓣直接传给阀杆，再转给阀体、阀座和整个管道系统，造成管道系统的噪音，并且启闭不灵活、耗能高。现有的截止阀密封可靠性差，容易产生泄漏。
发明内容：
本发明的目的是提供一种截止和导通可靠，密封可靠，可减少振荡和噪声的梭式减振截止阀。
本发明是这样实现的：
本发明梭式减振截止阀，截阀体1的进口通道28与出口通道29的竖向连通段34上有阀座30，阀座上空有导向套31与阀体1或阀盖4连接，导向套的柱面上有通孔33，导向套与阀瓣动配合，阀瓣2与阀座30密封配合，阀杆17与阀盖4螺纹连接，阀杆17下端面为弧面，与阀瓣2的内腔底平面点接触，阀杆17与挡圈3连接，挡圈3的下面与阀瓣2内腔的台阶面接触，挡圈3的上面与衬套23的下端面接触，衬套23内壁与阀杆17外壁螺纹连接，衬套23的法兰与阀瓣2上面之间有柔性垫或缓冲元件24。
阀瓣2的端面或柱面与阀座30的端面或柱面通过柔性密封圈或硬金属密封面密封配合。
阀盖4上有填料槽10，填料槽底部内孔与阀杆滑动配合，阀杆17与填料槽10之间有填料5和填料压环13，填料盖板14通过螺栓与阀盖连接，阀盖4的上端与主支承座18固连，阀杆17与主支承座18螺纹连接，阀杆17与手轮盘22连接。
导向套31、阀座30、阀瓣2、衬套23、阀杆17、主支承座18、填料压环13、填料槽10、填料盖板14、阀盖4有相同的轴心线。
本发明的阀杆、阀瓣非刚性联接，运用背压，启闭灵活，节能降噪、减振。多元件同轴，启闭装置整体对称，增加启闭灵敏度和可靠性。阀瓣和阀座可选择多种密封方式，实现零泄漏。阀杆有双支承，端部与阀瓣点接触，可微调推力偏移。
附图说明：
图1为本发明的结构图。
具体实施方式：
本发明的阀体1与阀盖4通过螺栓6连接，阀盖4的颈9上有填料槽10，填料耳。填料耳上有轴11与螺柱12连接，填料槽10内有填料5，填料压环13。压环13上有填料盖板14，填料盖板14由螺母16紧固。阀盖上部的主支承座18由销19固定，主支承座18与阀杆螺纹连接。阀杆17下端柱面上的凹槽内有挡圈3与衬套23和阀瓣2内腔台阶连接，阀杆17端部为弧面与阀瓣2内腔底平面接触，衬套23与阀杆螺纹连接。缓冲元件24位于衬套23与阀瓣上端面之间。
本发明设计与阀杆17成滑动配合的梭形阀瓣2，阀瓣2与阀杆衬套23间设柔性垫或缓冲元件24，固定在阀杆衬套台阶与阀瓣之间。梭形阀瓣外圆与导向套31动配合，导向套柱面圆周开若干个流通孔33，阀杆端部呈圆弧，与阀瓣内腔成点接触，动态传递阀瓣开启推力和关闭压力。阀瓣2与阀座30的密封。可采用端面或柱面的密封圈或金属硬密封面的密封方式，做到零泄漏和缓解开启、关闭、运动时的振荡。手轮22、阀体1、填料槽10、阀杆17、阀杆衬套23、阀瓣2、阀瓣导向套31均为以阀杆轴心为中心的同轴对称结构。因此动作灵敏，精准。
截止阀开启时：进口压力推阀瓣上升，终止于阀杆所限定的位置；截止阀关闭时：背压加手动力(或电动、气动力)推阀瓣下降至与阀座吻合，实现关闭；开启、运行中的冲击振荡；依靠阀瓣上端与阀杆端部衬套台阶间设置的缓冲段所吸收(由缓冲材料或缓冲元件构成)；关闭时的冲击、振荡由阀瓣端部或阀座平面的柔性垫所吸收。
在电力、石油、化工、核能等流体输送中，管道系统的可靠启、闭和低噪音、无泄漏运行，本发明将发挥重要作用。

Claims (4)

1.梭式减振截止阀，其特征在于阀体(1)的进口通道(28)与出口通道(29)的竖向连通段(34)上有阀座(30)，阀座上空有导向套(31)与阀体(1)或阀盖(4)连接，导向套的柱面上有通孔(33)，导向套与阀瓣动配合，阀瓣(2)与阀座(30)密封配合，阀杆(17)与阀盖(4)螺纹连接，阀杆(17)下端面为弧面，与阀瓣(2)的内腔底平面点接触，阀杆(17)与挡圈(3)连接，挡圈(3)的下面与阀瓣(2)内腔的台阶面接触，挡圈(3)的上面与衬套(23)的下端面接触，衬套(23)内壁与阀杆(17)外壁螺纹连接，衬套(23)的法兰与阀瓣(2)上面之间有缓冲元件(24)。
2.根据权利要求1所述的梭式减振截止阀，其特征在于阀瓣(2)的端面或柱面与阀座(30)的端面或柱面通过柔性密封圈或硬金属密封面密封配合。
3.根据权利要求1所述的梭式减振截止阀，其特征在于阀盖(4)上有填料槽(10)，填料槽底部内孔与阀杆滑动配合，阀杆(17)与填料槽(10)之间有填料(5)和填料压环(13)，填料盖板(14)通过螺栓与阀盖连接，阀盖(4)的上端与主支承座(18)固连，阀杆(17)与主支承座(18)螺纹连接，阀杆(17)与手轮盘(22)连接。
4.根据权利要求3所述的梭式减振截止阀，其特征在于导向套(31)、阀座(30)、阀瓣(2)、衬套(23)、阀杆(17)、主支承座(18)、填料压环(13)、填料槽(10)、填料盖板(14)、阀盖(4)有相同的轴心线。
CN2007100507938A 2007-12-14 2007-12-14 梭式减振截止阀 Expired - Fee Related CN101220867B (zh)

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CN101799078A (zh) * 2010-04-09 2010-08-11 苏州可邦自控阀业有限公司 填料密封衬氟塑料调节阀
CN102518870A (zh) * 2011-12-23 2012-06-27 中国石化销售有限公司华南分公司 一种将阀杆连接到阀构件的装置
US10197183B2 (en) * 2015-02-12 2019-02-05 Fisher Controls International Llc Valve stem and plug connections and staking tools
CN106402470A (zh) * 2016-12-07 2017-02-15 无锡优耐特净化装备有限公司 截止阀
CN109138030A (zh) * 2018-07-27 2019-01-04 天津包博特密封科技有限公司 一种挖泥船搅拌料斗闸板
CN109084079A (zh) * 2018-09-29 2018-12-25 天津包博特密封科技有限公司 一种高密封性搅拌料斗闸板

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5180039A (en) * 1989-07-06 1993-01-19 Fichtel & Sachs Ag Fluid passage unit
CN2190205Y (zh) * 1994-06-03 1995-02-22 曾祥炜 梭式截止阀
CN2290711Y (zh) * 1996-02-05 1998-09-09 中国对外应用技术交流促进会 消防水泵接合器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5180039A (en) * 1989-07-06 1993-01-19 Fichtel & Sachs Ag Fluid passage unit
CN2190205Y (zh) * 1994-06-03 1995-02-22 曾祥炜 梭式截止阀
CN2290711Y (zh) * 1996-02-05 1998-09-09 中国对外应用技术交流促进会 消防水泵接合器

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