CN202493692U - 双板、双座、双向、弹性金属硬密封蝶阀 - Google Patents

双板、双座、双向、弹性金属硬密封蝶阀 Download PDF

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CN202493692U
CN202493692U CN2012200443063U CN201220044306U CN202493692U CN 202493692 U CN202493692 U CN 202493692U CN 2012200443063 U CN2012200443063 U CN 2012200443063U CN 201220044306 U CN201220044306 U CN 201220044306U CN 202493692 U CN202493692 U CN 202493692U
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冯长生
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Anshan Bell Automatic Controlling Co., Ltd.
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ANSHAN BELL AUTOMATIC CONTROLLING Co Ltd
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Abstract

本实用新型涉及硬密封蝶阀领域,特别涉及一种双板、双座、双向、弹性金属硬密封蝶阀,包括阀板、阀座、阀轴、阀体和金属密封圈,其特征在于,所述阀板是具有两个密封面的双板一体式结构,阀体上对应阀板的两个密封面分别设有两个阀座,阀座与密封面之间设有金属密封圈,两个密封面密封方向相反。所述金属密封圈是弹性的。与现有技术相比,本实用新型的有益效果是:采用独特的双板、双座结构,提高了阀板的刚性,彻底解决了蝶阀的双向密封不均衡的问题,使阀门的应用不再受介质流向限制,改善了阀门密封效果,性能可靠,密封磨擦力矩小,具有正反双重补压性能,弹性金属密封圈使用寿命长,维修方便,使蝶阀的应用范围更广泛。

Description

双板、双座、双向、弹性金属硬密封蝶阀
技术领域
本实用新型涉及硬密封蝶阀领域,特别涉及一种双板、双座、双向、弹性金属硬密封蝶阀。
背景技术
硬密封蝶阀具有体积小、流量大、结构简单、成本低等诸多优点,适用于温差范围大的介质,广泛应用于工业生产中。但因其单阀板、单阀座结构的特点,硬密封蝶阀存在双向耐压不同的缺点,见附图2,B向耐压高,可以承受几公斤甚至几十公斤的压力,而A向耐压低,当阀板在介质压力作用下变形离开阀座就会产生泄漏,失去密封作用,难以满足那些有双向密封要求的用户,使硬密封蝶阀的使用受到限制。
发明内容
本实用新型的目的是提供一种双板、双座、双向、弹性金属硬密封蝶阀,克服现有技术的不足,解决阀门的双向密封不均衡的问题,使阀门的应用不受介质流向限制,改善阀门密封效果。
为了解决上述问题,本实用新型采用以下技术方案:
双板、双座、双向、弹性金属硬密封蝶阀,包括阀板、阀座、阀轴、阀体和金属密封圈,所述阀板是具有两个密封面的双板一体式结构,阀体上对应阀板的两个密封面分别设有两个阀座,阀座与密封面之间设有金属密封圈,两个密封面密封方向相反。
所述金属密封圈是弹性的。
与现有技术相比,本实用新型的有益效果是:
采用独特的双板、双座结构,提高了阀板的刚性,彻底解决了蝶阀的双向密封不均衡的问题,使阀门的应用不再受介质流向限制,改善了阀门密封效果,性能可靠,密封磨擦力矩小,具有正反双重补压性能,弹性金属密封圈使用寿命长,维修方便,使蝶阀的应用范围更广泛。
附图说明
图1是本实用新型实施例结构示意图;
图2是现有技术中的蝶阀结构示意图。
图中:1-阀板  2-阀座  3-阀轴  4-阀体  5-金属密封圈  6-密封面
具体实施方式
下面结合附图对本实用新型的具体实施方式作进一步说明:
见图1,是本实用新型双板、双座、双向、弹性金属硬密封蝶阀实施例结构示意图,包括阀板1、阀座2、阀轴3、阀体4和金属密封圈5,阀板1是具有两个密封面的双板一体式结构,阀轴3居中设于阀板1中心处,使阀板1上的两个密封面6分别位于阀轴3的两侧,此结构中阀轴3受力均匀,有利于减小密封磨擦力矩,阀体4上对应阀板1的两个密封面6处分别设有两个阀座2,阀座2与密封面6之间设有金属密封圈5,两个密封面6密封方向相反,可以很好地保证阀门的双向密封效果。
金属密封圈5是采用弹性的金属材料制成,可以很好地补偿加工以及安装过程中引起的金属密封圈的变形,能有效保证密封效果,经实验验证,阀板两侧均能承受几公斤甚至几十公斤的压力,各项技术指标完全满足生产要求。

Claims (2)

1.双板、双座、双向、弹性金属硬密封蝶阀,包括阀板、阀座、阀轴、阀体和金属密封圈,其特征在于,所述阀板是具有两个密封面的双板一体式结构,阀体上对应阀板的两个密封面分别设有两个阀座,阀座与密封面之间设有金属密封圈,两个密封面密封方向相反。
2.根据权利要求1所述的双板、双座、双向、弹性金属硬密封蝶阀,其特征在于,所述金属密封圈是弹性的。
CN2012200443063U 2012-02-10 2012-02-10 双板、双座、双向、弹性金属硬密封蝶阀 Expired - Lifetime CN202493692U (zh)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103939627A (zh) * 2013-01-22 2014-07-23 费希尔控制国际公司 具有多个密封件的蝶形阀
CN107355548A (zh) * 2017-08-15 2017-11-17 王中杰 双板双阀座双向金属密封的蝶阀
CN110274035A (zh) * 2019-07-10 2019-09-24 天虹阀门科技(泉州)有限公司 双向承压双偏心蝶阀
EP3726106A1 (de) * 2019-04-17 2020-10-21 Peter Skiba Kunststoff GmbH Absperrarmatur
CN114992344A (zh) * 2022-06-21 2022-09-02 河北石阀机械设备有限公司 三偏心硬密封蝶阀

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103939627A (zh) * 2013-01-22 2014-07-23 费希尔控制国际公司 具有多个密封件的蝶形阀
CN107355548A (zh) * 2017-08-15 2017-11-17 王中杰 双板双阀座双向金属密封的蝶阀
EP3726106A1 (de) * 2019-04-17 2020-10-21 Peter Skiba Kunststoff GmbH Absperrarmatur
CN110274035A (zh) * 2019-07-10 2019-09-24 天虹阀门科技(泉州)有限公司 双向承压双偏心蝶阀
CN114992344A (zh) * 2022-06-21 2022-09-02 河北石阀机械设备有限公司 三偏心硬密封蝶阀

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