CN201359096Y - 流体压力密封蝶阀 - Google Patents

流体压力密封蝶阀 Download PDF

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CN201359096Y
CN201359096Y CNU200920063651XU CN200920063651U CN201359096Y CN 201359096 Y CN201359096 Y CN 201359096Y CN U200920063651X U CNU200920063651X U CN U200920063651XU CN 200920063651 U CN200920063651 U CN 200920063651U CN 201359096 Y CN201359096 Y CN 201359096Y
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valve
rotating shaft
plate
connecting tube
pressure
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钟汉光
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Hunan Jinzhong Environmental Equipment Co Ltd
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Abstract

本实用新型公开了一种流体压力密封蝶阀,在阀体中有阀板,阀板用固定板装在转轴上,在转轴与阀体连接处装有密封盖和密封圈,转轴的一端联接动力,在阀板外缘开有环形槽,在环形槽中有环状膨胀活塞,在阀板中开有阀板连通管,在转轴中开有转轴连通管,阀板连通管一端连通环形槽,另一端与转轴连通管连通,转轴连通管的另一端开口处的转轴装有连通板,连通板中有通孔,通孔的一端连通转轴连通管,另一端接压力阀,压力阀接压力泵。本实用新型具有如下的有益效果,当闸板关闭到位后,在环形槽内的环状膨胀活塞在流体压力的作用下,压紧在阀体内壁上,保证闸板与阀体的密封,泄漏率低,可承受2万Pa的压力;开启阀板时,环形槽内流体卸压,环状膨胀活塞松开,阀板开启灵活,故障率低。

Description

流体压力密封蝶阀
技术领域
本实用新型涉及一种蝶阀。
背景技术
蝶阀阀是一种在冶金,矿山、建材、化工等行业的采暖、通风、除尘及环保设备管道系统中阀门,作双向启闭及调节气体流量,而目前所使用的蝶阀的阀板与阀体关闭不严,易泄漏,影响生产,特别是有毒气体和粉尘的泄漏,对环境造成污染,也危害生产工人的身体健康。
实用新型内容
本实用新型的目的是提供一种压力密封蝶阀。
本实用新型的目的是通过如下方式实现的:一种流体压力密封蝶阀,在阀体中有阀板,阀板用固定板装在转轴上,在转轴与阀体连接处装有密封盖和密封圈,转轴的一端联接动力,在阀板外缘开有环形槽,在环形槽中有环状膨胀活塞,在阀板中开有阀板连通管,在转轴中开有转轴连通管,阀板连通管一端连通环形槽,另一端与转轴连通管连通,转轴连通管的另一端开口处的转轴装有连通板,连通板中有通孔,通孔的一端连通转轴连通管,另一端接压力阀,压力阀接压力泵。
在连通板与转轴接触面上开有90度圆弧槽,通孔开口于圆弧槽内侧,转轴连通管在阀板的转轴的开口处有凸台,凸台套在圆弧槽中。
所述的压力阀包括阀座,在阀座上有连通管接口,加压接口卸压接口,在阀座中有滑动阀芯,在滑动阀芯有加压连通管和卸压连通管,阀门推杆一端接在滑动阀芯上,另一端接在继电器上。
本实用新型具有如下的有益效果,当闸板关闭到位后,在环形槽内的环状膨胀活塞在流体压力的作用下,压紧在阀体内壁上,保证闸板与阀体的密封,泄漏率低,可承受2万Pa的压力;开启阀板时,环形槽内流体卸压,环状膨胀活塞松开,阀板开启灵活,故障率低。
附图说明
图1是本实用新型的剖面视图;
图2是本实用新型的仰视图;
图3是本实用新型阀板的剖面视图;
图4是本实用新型连通板与转轴连接处的剖面视图;
图5是本实用新型压力阀的剖面视图;
具体实施方式
如图1、图2、图3、图4、图5所示,一种流体压力密封蝶阀,在阀体1中有阀板2,阀板2用固定板14装在转轴3上,在转轴3与阀体连接处装有密封盖7和密封圈8,转轴3的一端联接动力13,在阀板2外缘开有环形槽4,在环形槽4中有环状膨胀活塞5,在阀板2中开有阀板连通管6,在转轴3中开有转轴连通管9,阀板连通管6一端连通环形槽4,另一端与转轴连通管9连通,转轴连通管9的另一端开口处的转轴3装有连通板10,连通板10中有通孔17,通孔17的一端连通转轴连通管9,另一端接压力阀11,压力阀11接压力泵12;在连通板10与转轴3接触面上开有90度圆弧槽16,通孔17开口于圆弧槽16内侧,转轴连通管9在阀板2的转轴3的开口处有凸台15,凸台15套在圆弧槽16中;所述的压力阀11包括阀座18,在阀座18上有连通管接口19,加压接口20卸压接口21,在阀座18中有滑动阀芯22,在滑动阀芯22有加压连通管23和卸压连通管24,阀门推杆25一端接在滑动阀芯22上,另一端接在继电器26上。
本实用新型的工作原理:当闸板2关闭阀体1的阀口后,压力泵12启动,压力阀11内的滑动阀芯22上的加压连通管23接通连通管接口18和加压接口20,压力泵12将流体通过压力阀11向环形槽4输送流体,流体可以是油、水或气体,流体进入环形槽4后,将环状膨胀活塞5向外压,使环状膨胀活塞5紧压在闸体1内侧壁上,保证阀板2与阀体1的密封;当阀板2打开时,压力阀门11内的滑动阀芯22上的卸压连通管24接通连通管接口18和卸压接口21,环形槽4中的流体卸出,压力放松,环状膨胀活塞5回缩,阀板2打开,非常灵活。

Claims (3)

1、一种流体压力密封蝶阀,在阀体[1]中有阀板[2],阀板[2]用固定板[14]装在转轴[3]上,在转轴[3]与阀体连接处装有密封盖[7]和密封圈[8],转轴[3]的一端联接动力[13],其特征在于:在阀板[2]外缘开有环形槽[4],在环形槽[4]中有环状膨胀活塞[5],在阀板[2]中开有阀板连通管[6],在转轴[3]中开有转轴连通管[9],阀板连通管[6]一端连通环形槽[4],另一端与转轴连通管[9]连通,转轴连通管[9]的另一端开口处的转轴[3]装有连通板[10],连通板[10]中有通孔[17],通孔[17]的一端连通转轴连通管[9],另一端接压力阀[11],压力阀[11]接压力泵[12]。
2、根据权利要求1所述的一种流体压力密封蝶阀,其特征在于:在连通板[10]与转轴[3]接触面上开有90度圆弧槽[16],通孔[17]开口于圆弧槽[16]内侧,转轴连通管[9]在阀板[2]的转轴[3]的开口处有凸台[15],凸台[15]套在圆弧槽[16]中。
3、根据权利要求1所述的一种流体压力密封蝶阀,其特征在于:所述的压力阀[11]包括阀座[18],在阀座[18]上有连通管接口[19],加压接口[20]卸压接口[21],在阀座[18]中有滑动阀芯[22],在滑动阀芯[22]有加压连通管[23]和卸压连通管[24],阀门推杆[25]一端接在滑动阀芯[22]上,另一端接在继电器[26]上。
CNU200920063651XU 2009-03-16 2009-03-16 流体压力密封蝶阀 Expired - Fee Related CN201359096Y (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101891066A (zh) * 2010-07-15 2010-11-24 钟汉光 气体输送卸灰阀
CN102330825A (zh) * 2010-07-15 2012-01-25 钟汉光 动态密封双层卸灰阀
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101891066A (zh) * 2010-07-15 2010-11-24 钟汉光 气体输送卸灰阀
CN102330825A (zh) * 2010-07-15 2012-01-25 钟汉光 动态密封双层卸灰阀
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

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