CN103511691B - 锅炉或管道用高压排气阀 - Google Patents

锅炉或管道用高压排气阀 Download PDF

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CN103511691B
CN103511691B CN201310210108.9A CN201310210108A CN103511691B CN 103511691 B CN103511691 B CN 103511691B CN 201310210108 A CN201310210108 A CN 201310210108A CN 103511691 B CN103511691 B CN 103511691B
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spool
valve
fly rod
hanger
valve gap
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CN103511691A (zh
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王旭华
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Renqiu Ruihua Star Plumbing Equipment Co. Ltd.
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王旭华
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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
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/12Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
    • 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
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)

Abstract

锅炉或管道用高压排气阀,包括,壳体与阀盖,壳体上部的内螺纹与阀盖的外螺纹螺接,在螺接部设有密封硅胶垫,在阀盖上设置有阀芯,阀芯与阀盖铸造在一起,阀芯上部与阀嘴螺接,阀芯与阀嘴内部是排气孔,其特征在于:在阀芯一侧的阀盖下面设置有吊耳,所述吊耳与阀盖和阀芯铸造在一起,在吊耳下部设有安装浮杆轴的孔,在浮杆上部设有安装硅胶块的凹槽,硅胶块与阀芯进汽口封死或开启式连接,在凹槽一侧设有开口部,在开口部的两侧是浮杆轴,浮杆轴插在吊耳的孔内,吊耳与浮杆轴形成轴在孔内转动式连接;在浮杆下部是杆体,所述的杆体是呈抛弧线状,浮杆下部的杆体与浮漂铸造在一起,浮漂呈有封底的筒状。本发明耐高温,不易变形。

Description

锅炉或管道用高压排气阀
技术领域
本发明涉及一种排气阀,特别是一种锅炉或管道用高压排气阀,属于机械或采暖器械用自动排气阀门装置。
背景技术
公知的采暖系统用的自动排气阀样式较多,如中国专利号为:200820071822.9的一种顶针立式自动排汽阀。阀座上固定排汽嘴,阀座内有一个与排汽嘴连通的滑道,滑道上端是阀口,壳体内浮球上的顶针杆上端在滑道内,其特征在于在阀座的下端有一个环槽,在顶针上有一个环槽,一个滤网或缝隙式过滤装置的上、下端卡在两个环槽内。本结构在滑道口设置了一个过滤装置,当阀体内无水时,浮球落下,过滤装置孔隙张开,气体经阀口从排气嘴排出;当阀体内有水时浮子上升,将过滤装置孔隙闭合,杂质被挡在滑道外,有效地防止了杂质进入滑道,其弊端是:采用顶针式排气,在长时间工作下,顶针处易产生杂质和污垢,导致排气阀密封性差,产生漏水现象,从而使顶针不能自由活动,其顶针式排气的胶堵内设有一圆形排气孔,此孔在高温和长时间工作情况下,容易出现胶堵老化、变硬,导致排气阀密封性差,公知的排气孔因采用直径为0.5-0.8mm,导致排气阀排气性能差,造成锅炉与管道压力升高,采暖效果差。
发明内容
针对上述技术问题存在的不足,本发明的目的是提供一种锅炉或管道用高压排气阀。
本发明的技术方案如下:一种锅炉或管道用高压排气阀,包括,壳体与阀盖,壳体上部的内螺纹与阀盖的外螺纹螺接,在螺接部设有密封硅胶垫,在阀盖上设置有阀芯,阀芯与阀盖铸造在一起,阀芯上部与阀嘴螺接,阀芯与阀嘴内部是排气孔,其特征在于:在阀芯一侧的阀盖下面设置有吊耳,所述吊耳与阀盖和阀芯铸造在一起,在吊耳下部设有安装浮杆轴的孔,在浮杆上部设有安装硅胶块的凹槽,硅胶块与阀芯进汽口封死或开启式连接,在凹槽一侧设有开口部,在开口部的两侧是浮杆轴,浮杆轴插在吊耳的孔内,吊耳与浮杆轴形成轴在孔内转动式连接;在浮杆下部是杆体,所述的杆体是呈抛弧线状,浮杆下部的杆体与浮漂铸造在一起;在壳体下部是阀座,在阀座上部是过滤网,壳体、阀座、过滤网是铸在一起的结构;阀芯下部是呈有锥度的进气孔;浮漂是有封底的筒状或球状。
本发明有耐高温,不易变形,大大提高了排气阀的排气性能,有效的保证了在锅炉和管道以及高压机械上的正常工作,不会造成锅炉与管道压力升高、爆炸等现象。
附图说明
图1是本发明的剖视结构示意图;
图2是图1的浮杆(7)的结构示意图。
图中:1壳体、2阀盖、3阀座、4阀芯、5阀嘴、6浮漂、7浮杆、8硅胶垫、9吊耳、10浮杆轴、11硅胶块、12阀芯进汽口、13过滤网。
具体实施方式
如图1所示,壳体1上部的内螺纹与阀盖2的外螺纹螺接,在螺接部设有硅胶垫8。在阀盖2上设置有阀芯4,阀芯4与阀盖2铸造在一起,阀芯4上部与阀嘴5螺接,阀芯4与阀嘴5内部设置有排气孔。阀芯4下部是呈有锥度的进气孔。
在阀芯4一侧的阀盖2下面设置有吊耳9,所述吊耳9与阀盖2和阀芯4铸造在一起,在吊耳9下部设有安装浮杆轴10的孔。在浮杆7上部设有安装硅胶块11的凹槽,硅胶块11与阀芯进汽口12封死或开启式连接,在凹槽一侧设有开口部,在开口部的两侧是浮杆轴10,浮杆轴10插在吊耳9的孔内,吊耳9与浮杆轴10形成轴在孔内转动式连接。在浮杆7下部是杆体,所述的杆体是呈抛弧线状。浮杆7下部的杆体与浮漂6的底部铸造在一起,浮漂6呈有封底的筒状。
在壳体1下部是阀座3,在阀座3上部是过滤网13,壳体1、阀座3、过滤网13是铸在一起的结构。

Claims (1)

1.锅炉或管道用高压排气阀,包括,壳体与阀盖,壳体上部的内螺纹与阀盖的外螺纹螺接,在螺接部设有密封硅胶垫,在阀盖上设置有阀芯,阀芯与阀盖铸造在一起,阀芯上部与阀嘴螺接,阀芯与阀嘴内部是排气孔,其特征在于:在阀芯一侧的阀盖下面设置有吊耳,所述吊耳与阀盖和阀芯铸造在一起,在吊耳下部设有安装浮杆轴的孔,在浮杆上部设有安装硅胶块的凹槽,硅胶块与阀芯进气口封死或开启式连接,在凹槽一侧设有开口部,在开口部的两侧是浮杆轴,浮杆轴插在吊耳的孔内,吊耳与浮杆轴形成轴在孔内转动式连接;在浮杆下部是杆体,所述的杆体是呈抛弧线状,浮杆下部的杆体与浮漂铸造在一起;在壳体下部是阀座,在阀座上部是过滤网,壳体、阀座、过滤网是铸在一起的结构;阀芯下部是呈有锥度的进气孔;浮漂是有封底的筒状或球状。
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Publication number Priority date Publication date Assignee Title
CN104613207A (zh) * 2015-01-23 2015-05-13 苏州巨瀚阀门有限公司 一种管道排气阀
CN106382407A (zh) * 2016-11-30 2017-02-08 国家电网公司 一种细管路排气阀
CN109442074A (zh) * 2019-01-09 2019-03-08 任丘市瑞华星水暖器材有限公司 一种排气阀的新结构
CN110917764B (zh) * 2019-12-25 2023-05-09 台州半城暖通科技有限公司 一种管道分离空气的过滤网

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Publication number Priority date Publication date Assignee Title
CN2175855Y (zh) * 1993-09-03 1994-08-31 刘锡海 一种水暖自动排气阀
KR100525205B1 (ko) * 2005-04-15 2005-10-31 주식회사 삼진정밀 공기배출밸브
CN1928400A (zh) * 2005-09-07 2007-03-14 王光第 压铸壳、不锈钢浮球式排气阀
CN201827387U (zh) * 2010-10-28 2011-05-11 天津银河阀门有限公司 自动排气阀
CN201827494U (zh) * 2010-07-13 2011-05-11 王旭华 一种带支撑点的自动排气阀
CN202040408U (zh) * 2011-05-23 2011-11-16 王旭华 一种双进气口暖气管道排气阀
CN202469178U (zh) * 2012-03-19 2012-10-03 张泽辉 一种长方形自动排气阀

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2175855Y (zh) * 1993-09-03 1994-08-31 刘锡海 一种水暖自动排气阀
KR100525205B1 (ko) * 2005-04-15 2005-10-31 주식회사 삼진정밀 공기배출밸브
CN1928400A (zh) * 2005-09-07 2007-03-14 王光第 压铸壳、不锈钢浮球式排气阀
CN201827494U (zh) * 2010-07-13 2011-05-11 王旭华 一种带支撑点的自动排气阀
CN201827387U (zh) * 2010-10-28 2011-05-11 天津银河阀门有限公司 自动排气阀
CN202040408U (zh) * 2011-05-23 2011-11-16 王旭华 一种双进气口暖气管道排气阀
CN202469178U (zh) * 2012-03-19 2012-10-03 张泽辉 一种长方形自动排气阀

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Application publication date: 20140115

Assignee: Renqiu Ruihua Star Plumbing Equipment Co. Ltd.

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Denomination of invention: High-pressure vent valve for boiler or pipeline

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