CN107477220B - 一种防爆节水止回阀 - Google Patents

一种防爆节水止回阀 Download PDF

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CN107477220B
CN107477220B CN201710926452.6A CN201710926452A CN107477220B CN 107477220 B CN107477220 B CN 107477220B CN 201710926452 A CN201710926452 A CN 201710926452A CN 107477220 B CN107477220 B CN 107477220B
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explosion
check valve
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CN107477220A (zh
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卓开法
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Jiangmen Kejiang Sanitary Ware Technology Co ltd
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Kaiping Yingwei Building Material 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
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/025Check valves with guided rigid valve members the valve being loaded by a spring
    • 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
    • F16K47/00Means in valves for absorbing fluid energy

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Abstract

一种防爆节水止回阀,包括止回阀外壳、止回节流芯、压力弹簧和座体,止回阀外壳的进水端设置有阀芯座,还包括防爆外壳、防爆阻尼和阻尼弹簧,止回阀外壳设置在防爆外壳内,环形卡舌与环形卡槽嵌合;止回阀外壳的端部与沉孔的底板支撑配合;防爆阻尼设置在沉孔和出水口之间的防爆外壳内;体部穿过阻尼弹簧,阻尼弹簧的上端与径向阻尼板配合、另一端与防爆外壳的出水口端配合。防爆阻尼和阻尼弹簧可以缓冲水流的压力,调节水流速度的作用,达到防爆和节能的目的。

Description

一种防爆节水止回阀
技术领域
本发明涉及一种角阀,尤其是设置在角阀内的止回阀。
背景技术
目前现有技术,一种止回阀,包括止回阀外壳、止回节流芯、压力弹簧和座体,止回阀外壳的进水端设置有阀芯座,止回节流芯包括头部、芯体部和杆部,与杆部的相邻的芯体部上设置有弹簧沉孔;座体与止回阀外壳的出水端固定连接,压力弹簧上端与弹簧沉孔配合、下端与座体配合,杆部穿过压力弹簧与座体上的导向孔滑动配合。存在问题是:水流速度快,不节水;不具有防爆功能。
发明内容
本发明的目的是:提供一种防爆节水止回阀,它具节流和防爆的特点。
本发明是这样实现的:一种防爆节水止回阀,包括止回阀外壳、止回节流芯、压力弹簧和座体,止回阀外壳的进水端设置有阀芯座,止回节流芯包括头部、芯体部和杆部,与杆部的相邻的芯体部上设置有弹簧沉孔;座体与止回阀外壳的出水端固定连接,压力弹簧上端与弹簧沉孔配合、下端与座体配合,杆部穿过压力弹簧与座体上的导向孔滑动配合;其特殊之处在于:还包括防爆外壳、防爆阻尼和阻尼弹簧,
防爆外壳上设置有出水口;进水端设置有沉孔,沉孔壁上设置有环形卡槽;
所述止回阀外壳上设置有环形卡舌;
防爆阻尼包括体部、环绕体均匀分布的径向阻尼板和底杆部,
止回阀外壳设置在防爆外壳内,环形卡舌与环形卡槽嵌合;止回阀外壳的端部与沉孔的底板支撑配合;防爆阻尼设置在沉孔和出水口之间的防爆外壳内;体部穿过阻尼弹簧,阻尼弹簧的上端与径向阻尼板配合、另一端与防爆外壳的出水口端配合。
所述的一种防爆节水止回阀,其特殊之处在于:所述座体包括外套部、设置在外套部端部的法兰、位于外套部中心的导向套和将导向套和外套部连接的径向板,相邻二个径向板之间的外套部和导向套构成导水孔;
外套部插入止回阀外壳内,外套部上的环形凹槽与止回阀外壳上的环形凸起嵌合,法兰与止回阀外壳的端部配合止位;
止回节流芯的杆部穿过阻尼弹簧与导向套滑动配合,径向板支撑阻尼弹簧。
本发明一种防爆节水止回阀,由于采用这样的结构,防爆阻尼和阻尼弹簧可以缓冲水流的压力,调节水流速度的作用,达到防爆和节能的目的。
附图说明
图1是本发明的剖视图。
图2是本发明的立体分解图。
具体实施方式
下面结合附图对本发明作进一步描述。
如图1所示,一种防爆节水止回阀,包括止回阀外壳1、止回节流芯2、压力弹簧3和座体4,止回阀外壳1的进水端设置有阀芯座11,止回节流芯2包括头部21、芯体部22和杆部23,与杆部23的相邻的芯体部22上设置有弹簧沉孔24;座体4与止回阀外壳1的出水端固定连接,压力弹簧3上端与弹簧沉孔24配合、下端与座体4配合,杆部23穿过压力弹簧3与座体4上的导向孔滑动配合。
还包括防爆外壳5、防爆阻尼6和阻尼弹簧7,
防爆外壳5上设置有出水口51;进水端设置有沉孔52,沉孔壁上设置有环形卡槽53;
所述止回阀外壳1上设置有环形卡舌12;
防爆阻尼6包括体部61、环绕体均匀分布的径向阻尼板62和底杆部63,
止回阀外壳1设置在防爆外壳5内,环形卡舌12与环形卡槽53嵌合;止回阀外壳1的端部与沉孔52的底板支撑配合;防爆阻尼6设置在沉孔52和出水口51之间的防爆外壳5内;体部61穿过阻尼弹簧7,阻尼弹簧7的上端与径向阻尼板62配合、另一端与防爆外壳5的出水口51端配合。
所述座体4包括外套部41、设置在外套部端部的法兰42、位于外套部中心的导向套43和将导向套和外套部连接的径向板44,相邻二个径向板44之间的外套部41和导向套43构成导水孔;
外套部41插入止回阀外壳1内,外套部41上的环形凹槽411与止回阀外壳1上的环形凸起13嵌合,法兰42与止回阀外壳1的端部配合止位;
止回节流芯2的杆部23穿过阻尼弹簧7与导向套43滑动配合,径向板44支撑阻尼弹簧7。
以上所述的仅是本发明的优先实施方式。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明原理的情况下,还可以作出若干改进和变型,这也视为本发明的保护范围。

Claims (1)

1.一种防爆节水止回阀,包括止回阀外壳、止回节流芯、压力弹簧和座体,止回阀外壳的进水端设置有阀芯座,止回节流芯包括头部、芯体部和杆部,与杆部的相邻的芯体部上设置有弹簧沉孔;座体与止回阀外壳的出水端固定连接,压力弹簧上端与弹簧沉孔配合、下端与座体配合,杆部穿过压力弹簧与座体上的导向孔滑动配合;其特征在于:还包括防爆外壳、防爆阻尼和阻尼弹簧,
防爆外壳上设置有出水口;进水端设置有沉孔,沉孔壁上设置有环形卡槽;
所述止回阀外壳上设置有环形卡舌;
防爆阻尼包括体部、环绕体均匀分布的径向阻尼板和底杆部,
止回阀外壳设置在防爆外壳内,环形卡舌与环形卡槽嵌合;止回阀外壳的端部与沉孔的底板支撑配合;防爆阻尼设置在沉孔和出水口之间的防爆外壳内;体部穿过阻尼弹簧,阻尼弹簧的上端与径向阻尼板配合、另一端与防爆外壳的出水口端配合;
所述座体包括外套部、设置在外套部端部的法兰、位于外套部中心的导向套和将导向套和外套部连接的径向板,相邻二个径向板之间的外套部和导向套构成导水孔;
外套部插入止回阀外壳内,外套部上的环形凹槽与止回阀外壳上的环形凸起嵌合,法兰与止回阀外壳的端部配合止位;
止回节流芯的杆部穿过阻尼弹簧与导向套滑动配合,径向板支撑阻尼弹簧。
CN201710926452.6A 2017-10-07 2017-10-07 一种防爆节水止回阀 Active CN107477220B (zh)

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DE2821255C2 (de) * 1978-05-16 1987-04-30 Mokveld Valves B.V., Gouda Rückschlagventil
DE3019926A1 (de) * 1980-05-24 1981-12-03 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen Rueckschlagventil
CN101886711B (zh) * 2009-05-13 2011-11-09 青岛生物能源与过程研究所 一种止回阀阻尼控制装置
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CN102155572B (zh) * 2011-04-27 2012-09-05 北京众博达石油科技有限公司 用于电磁阀的阀芯阻尼装置
CN203297681U (zh) * 2013-06-05 2013-11-20 方圆阀门集团有限公司 可调缓闭止回阀
CN203421235U (zh) * 2013-08-26 2014-02-05 方珞妃 一种单向阀
CN206036317U (zh) * 2016-08-31 2017-03-22 温州周泰阀门管件有限公司 一种新型止回阀
CN206513904U (zh) * 2017-03-10 2017-09-22 蒋杰 一种防爆节水装置
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Address after: 529321 Shop 57, Shuikou Town, Kaiping City, Jiangmen City, Guangdong Province, North Xinshi Road, Shuikou Garden Road Section

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