CN113944769B - 新型全焊接平板闸阀 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0263—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor using particular material or covering means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/20—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
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Abstract
本发明提供一种新型全焊接平板闸阀,包括阀体组件、阀杆、闸板、阀座,所述阀体组件从下向上依次为下封板、阀体壳体、阀座支承、上封板、阀盖,所述阀座安装于阀座支承内,所述阀座支承开设有供介质流动的流动通道,所述阀盖的中心开设有通孔,通孔内设置有阀杆,所述阀杆的底端连接有闸板,所述闸板控制闸阀流动通道的开启或关闭,所述下封板、阀座支承、上封板与阀体壳体采用焊接固定,所述阀盖与上封板采用焊接固定。本发明的新型全焊接平板闸阀,阀体组件采用全焊接的方式成型,不存在外漏风险。
Description
技术领域
本发明涉及阀门技术领域,具体涉及一种新型全焊接平板闸阀。
背景技术
常用的输送石油气、天然气等燃气管道用埋地式平板闸阀一般由阀体、阀座、闸板、阀杆、阀盖等零件连接而成,由阀杆的上下移动带动闸板的上下移动从而控制阀门的开闭状态,阀体与阀盖之间采用法兰垫片+螺栓+螺母连接,这种连接方式,漏点较多,且阀门体积庞大,加工时间长;阀座与阀体之间的密封、阀杆与阀盖之间的密封均采用O形橡胶密封圈,一旦阀门填料泄漏时需要将阀门整体拆开,不能在线进行填料更换维护,维护困难。
发明内容
为解决上述现有技术中的不足,本发明提供一种零泄漏的新型全焊接平板闸阀。
为实现上述技术目的,本发明采用的技术方案是:
一种新型全焊接平板闸阀,包括阀体组件、阀杆、闸板、阀座,所述阀体组件从下向上依次为下封板、阀体壳体、阀座支承、上封板、阀盖,所述阀座安装于阀座支承内,所述阀座支承开设有供介质流动的流动通道,所述阀盖的中心开设有通孔,通孔内设置有阀杆,所述阀杆的底端连接有闸板,所述闸板控制闸阀流动通道的开启或关闭,所述下封板、阀座支承、上封板与阀体壳体采用焊接固定,所述阀盖与上封板采用焊接固定。
进一步地,所述阀杆与阀盖之间设置有上密封结构和下密封结构。
进一步地,所述下密封结构设置在阀盖的下端,包括套设在阀盖与阀杆之间的轴套,所述轴套与阀杆之间设置有多处O形密封圈A,所述轴套与阀盖之间设置多处O型密封圈B。
进一步地,所述上密封结构设置在阀盖的上端,包括套设在阀盖与阀杆之间的压盖,所述压盖与阀杆之间设置有多处O型密封圈C,压盖与阀盖之间设置有多处O型密封圈D。
进一步地,所述上密封结构还包括四开环,所述压盖的外环面呈阶梯状,所述阀盖上设有避让槽位,所述四开环的外环卡设于阀盖的避让槽位内,四开环的内环抵接压盖的外环面。
进一步地,还设置有阀杆限位结构,所述阀杆限位结构位于上密封结构与下密封结构之间,包括对开环、下轴承、上轴承和压圈,所述对开环的外环面呈台阶状,嵌设在阀杆外周,对开环的小环直径与阀杆直径匹配,大环卡设在下轴承与上轴承之间,所述压圈套设在阀杆与阀盖之间,压设在上轴承上方,所述压圈的外径大于上轴承的外径。
进一步地,所述阀座与闸板接触面上设有PEEK刮片和O型橡胶圈E,所述PEEK刮片嵌设在阀座内,所述PEEK刮片的尖端部朝向远离流动通道的一侧,所述O型密封圈E卡设在PEEK刮片的尖端部和阀座之间。
进一步地,所述阀座与阀座支承沿阀杆径向设置有弹簧,所述弹簧嵌设在阀座内。
进一步地,还设置有闸板限位装置,所述闸板限位装置设置在闸板上,闸板上下左右四侧钻螺纹孔,将螺栓与螺母安装在闸板上,根据螺栓旋入长度,进行阀体壳体与闸板的限位调节。
进一步地,还设置开度指示器,所述开度指示器精确显示阀门的开度指示,所述开度指示器置于闸阀顶部。
与现有技术相比,本发明的有益效果有:
1)本发明的新型全焊接平板闸阀,阀体组件采用全焊接的方式成型,不存在外漏风险;
2)本发明的阀杆与阀盖设置上、下两重密封结构,当密封泄漏时,只需将压盖拆下,将压盖上橡胶进行更换,再次装入即可,可以实现阀杆填料在线更换功能;
3)本发明设置阀杆限位结构,将阀杆限制在阀体内部,阀杆限位结构中采用双轴承结构也进一步减小阀门力矩;
4)本发明设置闸板限位装置,通过简单的结构实现阀体壳体与闸板的限位调节,避免原传统阀门限位凸台的返工操作,节约了生产成本。
附图说明
为了更清楚地说明本申请实施例的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,应当理解,以下附图仅示出了本申请的某些实施例,因此不应被看作是对范围的限定,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他相关的附图。
图1是本发明实施例的俯视图;
图2是图1所示的实施例中Ⅲ处的放大图;
图3是图1所示的实施例沿J-J的半剖结构示意图;
图4是图3所示的实施例中I处的放大图;
图5是图3所示的实施例中Ⅱ处的放大图;
图6是图1所示的实施例沿K-K的半剖结构示意图;
附图标记:1-下封板,2-阀体壳体,3-阀座支承,4-闸板,5-阀杆,6-阀杆螺母,7-轴套,8-O形密封圈A,9-O形密封圈B,10-对开环,11-上轴承,12-压圈,13-压盖,14-四开环,15-O形密封圈C,16-O形密封圈D,17-石墨绳,18-阀座,19-PEEK刮片,20-弹簧,21-O形密封圈E,23-开度指示器,24-下轴承, 26-螺栓,27-螺母,28-上封板,29-阀盖。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚,下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。通常在此处附图中描述和示出的本申请实施例的组件可以以各种不同的配置来布置和设计。因此,以下对在附图中提供的本申请的实施例的详细描述并非旨在限制要求保护的本申请的范围,而是仅仅表示本申请的选定实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本发明提供一种新型全焊接平板闸阀,如图1、图2、图3所示,包括阀体组件、阀杆5、闸板4、阀座18,所述阀体组件从下向上依次为下封板1、阀体壳体2、阀座支承3、上封板28、阀盖29,所述阀体壳体2、下封板1、上封板28采用钢板下料,阀体壳体2采用折弯工艺成型,所述阀盖29、阀座支承3采用锻造成型,所述下封板1、阀座支承3、上封板28与阀体壳体2采用焊接的方式连接,所示阀盖29与上封板28采用焊接固定,全焊接成型的阀体组件,不存在外漏风险,而且生产周期短;所述阀座支承3开设有供介质流动的流动通道,所述阀座18安装于阀座支承3内,所述阀盖29的中心开设有通孔,通孔内设置有阀杆5,所述阀杆5的底端连接有闸板4,所述闸板4与阀杆5通过阀杆螺母6连接,所述闸板可控制闸阀流动通道的开启或关闭。
所述阀杆5与阀盖29之间设置有上密封结构和下密封结构,具体的,如图4所示,所述下密封结构设置在阀盖29的下端,包括套设在阀盖29与阀杆5之间的轴套7,所述轴套7与阀杆5之间设置有多处O形密封圈A8,所述轴套7与阀盖29之间均设置多处O型密封圈B9;所述上密封结构设置在阀盖29的上端,包括套设在阀盖29与阀杆5之间的压盖13,所述压盖13与阀杆5之间设置有多处O型密封圈C15,压盖13与阀盖29之间设置有多处O型密封圈D16;所述上密封结构还包括四开环14,所述压盖13的外环面呈阶梯状,所述阀盖29上设有避让槽位,所述四开环14的外环卡设于阀盖的避让槽位内,四开环14的内环抵接压盖13的外环面,四开环14作为硬密封,可减少O型密封圈的过大形变造成失效;当填料密封泄漏时,只需将压盖13拆下,将压盖上O型密封圈15/16进行更换,再次装入即可,此设计可以实现阀杆5密封在线更换功能。所述压盖13与阀杆5、压盖13与阀盖29之间还设置有石墨绳17,石墨绳作为一种良好的耐火材料,可以降低火灾时阀门的外漏风险。
还设置有阀杆限位结构,所述阀杆限位结构位于上密封结构与下密封结构之间,如图4所示,包括对开环10、下轴承24、上轴承11和压圈12,所述对开环10的外环面呈台阶状,嵌设在阀杆5外周,对开环10的小环直径与阀杆5直径匹配,大环卡设在下轴承24与上轴承11之间,所述压圈12套设在阀杆5与阀盖29之间,压设在上轴承11上方,所述压圈12的外径大于上轴承11的外径;所述阀杆限位结构将阀杆5限制在阀体内部,双轴承结构也进一步减小阀门力矩。
进一步地,如图5所示,所述阀座18与闸板4接触面上设有PEEK刮片19和O型橡胶圈E21,所述PEEK刮片19嵌设在阀座18内,所述PEEK刮片19的尖端部朝向远离流动通道的一侧,所述O型密封圈E21卡设在PEEK刮片19的尖端部和阀座18之间,如有O型密封圈E21失效,PEEK刮片19可起到二次密封作用;所述阀座18与阀座支承3沿阀杆5径向设置有弹簧20,所述弹簧20嵌设在阀座18内,所述弹簧20可提供推力避免阀座位移过大造成密封失效。所述阀座18采用表面镀ENP处理工艺,所述闸板4先采用表面镀ENP,再喷涂PTFE新型处理工艺,表面处理后的闸板4与阀座的摩擦力较低,阀门力矩较小,方便开闭。
进一步地,还设置有闸板限位装置,如图6所示,所述闸板限位装置设置在闸板4上,在闸板4上下左右四侧钻螺纹孔,将螺栓26与螺母27安装在闸板4上,可根据螺栓旋入长度,进行阀体壳体2与闸板4的限位调节,此设计可避免原传统阀门限位凸台的返工操作,节约了生产成本。
还设置开度指示器23,所述开度指示器23精确显示阀门的开度指示,所述开度指示器23置于闸阀顶部,如图1、图2所示,便于操作者观测闸阀的启闭位置。
当然,本发明还可有其它多种实施例,在不背离本发明精神及其实质的情况下,熟悉本领域的技术人员可根据本发明作出各种相应的改变和变形,但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
Claims (5)
1.一种新型全焊接平板闸阀,其特征在于:包括阀体组件、阀杆(5)、闸板(4)、阀座(18),所述阀体组件从下向上依次为下封板(1)、阀体壳体(2)、阀座支承(3)、上封板(28)、阀盖(29),所述阀座(18)安装于阀座支承(3)内,所述阀座支承(3)开设有供介质流动的流动通道,所述阀盖(29)的中心开设有通孔,通孔内设置有阀杆(5),所述阀杆(5)的底端连接有闸板(4),所述闸板(4)控制闸阀流动通道的开启或关闭,所述下封板(1)、阀座支承(3)、上封板(28)与阀体壳体(2)采用焊接固定,所述阀盖(29)与上封板(28)采用焊接固定;
所述阀杆(5)与阀盖(29)之间设置有上密封结构和下密封结构;所述下密封结构设置在阀盖(29)的下端,包括套设在阀盖(29)与阀杆(5)之间的轴套(7),所述轴套(7)与阀杆(5)之间设置有多处O形密封圈A(8),所述轴套(7)与阀盖(29)之间设置多处O型密封圈B(9);所述上密封结构设置在阀盖(29)的上端,包括套设在阀盖(29)与阀杆(5)之间的压盖(13),所述压盖(13)与阀杆(5)之间设置有多处O型密封圈C(15),压盖(13)与阀盖(29)之间设置有多处O型密封圈D(16);所述上密封结构还包括四开环(14),所述压盖(13)的外环面呈阶梯状,所述阀盖(29)上设有避让槽位,所述四开环(14)的外环卡设于阀盖的避让槽位内,四开环(14)的内环抵接压盖(13)的外环面;
还设置有阀杆限位结构,所述阀杆限位结构位于上密封结构与下密封结构之间,包括对开环(10)、下轴承(24)、上轴承(11)和压圈(12),所述对开环(10)的外环面呈台阶状,嵌设在阀杆(5)外周,对开环(10)的小环直径与阀杆(5)直径匹配,大环卡设在下轴承(24)与上轴承(11)之间,所述压圈(12)套设在阀杆(5)与阀盖(29)之间,压设在上轴承(11)上方,所述压圈(12)的外径大于上轴承(11)的外径。
2.根据权利要求1所述的新型全焊接平板闸阀,其特征在于:所述阀座(18)与闸板(4)接触面上设有PEEK刮片(19)和O型密封圈E(21),所述PEEK刮片(19)嵌设在阀座(18)内,所述PEEK刮片(19)的尖端部朝向远离流动通道的一侧,所述O型密封圈E(21)卡设在PEEK刮片(19)的尖端部和阀座(18)之间。
3.根据权利要求2所述的新型全焊接平板闸阀,其特征在于:所述阀座(18)与阀座支承(3)沿阀杆(5)径向设置有弹簧(20),所述弹簧(20)嵌设在阀座(18)内。
4.根据权利要求1所述的新型全焊接平板闸阀,其特征在于:还设置有闸板限位装置,所述闸板限位装置设置在闸板(4)上,闸板(4)上下左右四侧钻螺纹孔,将螺栓(26)与螺母(27)安装在闸板(4)上,根据螺栓旋入长度,进行阀体壳体(2)与闸板(4)的限位调节。
5.根据权利要求1-4任一项所述的新型全焊接平板闸阀,其特征在于:还设置开度指示器(23),所述开度指示器(23)精确显示阀门的开度指示,所述开度指示器(23)置于闸阀顶部。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201016971D0 (en) * | 2010-10-08 | 2010-11-24 | Hobbs Valve Ltd | Valve |
CN103470792A (zh) * | 2013-09-23 | 2013-12-25 | 南通龙源电站阀门有限公司 | 三偏心可在线更换阀座的高压蝶阀 |
CN105134952A (zh) * | 2015-07-29 | 2015-12-09 | 贵州天福化工有限责任公司 | 一种旋转轴填料泄露在线处理方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2975159A1 (fr) * | 2011-05-09 | 2012-11-16 | Bertrand Clair Luc Lefebvre | Vanne autonome a obturation radiale pour vidange automatique de liquide a fort debit par phenomene de chasse. |
CN204213373U (zh) * | 2014-09-26 | 2015-03-18 | 宣达实业集团有限公司 | 一种无填料暗杆闸阀 |
US11125334B2 (en) * | 2016-12-21 | 2021-09-21 | Eaton Intelligent Power Limited | Hydrodynamic sealing component and assembly |
CN208997369U (zh) * | 2018-10-08 | 2019-06-18 | 浙江标盛阀门制造有限公司 | 一种滚珠丝杠低扭矩平板闸阀 |
CN209483964U (zh) * | 2019-01-30 | 2019-10-11 | 德维阀门铸造(苏州)股份有限公司 | 一种大口径平板闸阀运输闸板限位结构 |
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CN212251245U (zh) * | 2020-04-28 | 2020-12-29 | 广东联塑阀门有限公司 | 一种具有止回功能的密封闸阀 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201016971D0 (en) * | 2010-10-08 | 2010-11-24 | Hobbs Valve Ltd | Valve |
CN103470792A (zh) * | 2013-09-23 | 2013-12-25 | 南通龙源电站阀门有限公司 | 三偏心可在线更换阀座的高压蝶阀 |
CN105134952A (zh) * | 2015-07-29 | 2015-12-09 | 贵州天福化工有限责任公司 | 一种旋转轴填料泄露在线处理方法 |
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