CN204961862U - 一种无阀盖式的截止阀 - Google Patents

一种无阀盖式的截止阀 Download PDF

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CN204961862U
CN204961862U CN201520765737.2U CN201520765737U CN204961862U CN 204961862 U CN204961862 U CN 204961862U CN 201520765737 U CN201520765737 U CN 201520765737U CN 204961862 U CN204961862 U CN 204961862U
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黄子龙
杨铭
王晓峰
王学锟
刘志刚
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Wenzhou Lianhe Intellectual Property Service Co.,Ltd.
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JIANGNAN VALVE CO Ltd
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Abstract

一种无阀盖式的截止阀,通过在阀体上加工出一个台阶,放入金属填料垫和碳纤维填料,防止成型石墨环粉末调入阀体内,本实用新型阀门无阀盖结构,用填料函结构代替了阀盖结构,减少了阀门的泄漏点和阀门的重量,并减少加工成本,在支架与阀体采用螺纹连接,并用卡环和紧固螺钉防止支架松动。

Description

一种无阀盖式的截止阀
技术领域
本实用新型涉及阀门领域,具体涉及一种无阀盖式的截止阀。
背景技术
根据国家“十二五”电力发展规划,2010年中国发电装机容量将达到6亿KW,其中火电装机容量将达到4.7-5.0亿KW,意味着2010-2015年,每年新增火电装机容量将达3000万KW。如何提高电站阀门的使用效果,降低生产加工成本也再一次的被提出。而现有截止阀存在结构复杂,重量沉重,泄漏多的情况。
发明内容
为了解决现有技术的不足,本实用新型的提供了一种无阀盖式的截止阀。
本实用新型采用的技术解决方案是:一种无阀盖式的截止阀,包括阀体、阀座、阀杆以及阀瓣,所述的阀杆上连接有手轮,所述的阀体上还设有支架,所述的阀体与阀杆之间设有填料,所述的填料包括成型石墨环,所述的阀体内与填料的连接处设有台阶,所述的台阶上设有防止成型石墨环掉入阀体内的金属填料垫和碳纤维填料,所述的碳纤维填料位于金属填料垫的上方。
所述的填料上方还设有填料压套,所述的填料压套穿过阀杆压在填料处,所述的填料压套上还设有填料压板。
所述的支架与阀体通过螺纹连接,所述的支架与阀体之间还设有防止支架松动的卡环与紧固螺栓。
所述的填料压板与支架之间还设有活节螺栓,所述的填料压板通过活节螺栓固定在支架上。
所述的阀瓣上设有安装槽,所述的阀杆前端设有安装件,所述的安装件固定在安装槽内,所述的阀杆与阀瓣通过安装件和安装槽连接。
所述的阀瓣与阀座之间堆焊硬质合金密封。
本实用新型的有益效果是:本实用新型提供了一种无阀盖式的截止阀,通过在阀体上加工出一个台阶,放入金属填料垫和碳纤维填料,防止成型石墨环粉末调入阀体内,本实用新型阀门无阀盖结构,用填料函结构代替了阀盖结构,减少了阀门的泄漏点和阀门的重量,并减少加工成本,在支架与阀体采用螺纹连接,并用卡环和紧固螺钉防止支架松动。
附图说明
图1为本实用新型结构示意图。
图中1-阀体,2-阀座,3-阀杆,4-阀瓣,5-手轮,6-成型石墨环,7-金属填料垫,8-碳纤维填料,11-支架,12-台阶,13-填料压套,14-填料压板,15-卡环,16-紧固螺栓,17-活节螺栓,31-安装件,41-安装槽。
具体实施方式
现结合图1对本实用新型进行进一步说明,一种无阀盖式的截止阀,包括阀体1、阀座2、阀杆3以及阀瓣4,所述的阀杆3上连接有手轮5,所述的阀体1上还设有支架11,所述的阀体1与阀杆3之间设有填料,所述的填料包括成型石墨环6,所述的阀体1内与填料的连接处设有台阶12,所述的台阶12上设有防止成型石墨环6掉入阀体1内的金属填料垫7和碳纤维填料8,所述的碳纤维填料8位于金属填料垫7的上方。所述的填料上方还设有填料压套13,所述的填料压套13穿过阀杆3压在填料处,所述的填料压套13上还设有填料压板14。所述的填料压板14与支架11之间还设有活节螺栓17,所述的填料压板14通过活节螺栓17固定在支架11上。通过活节螺栓17压在填料压板14上,提供填料压套13处密封力,,通过在阀体1上加工出一个台阶12,放入金属填料垫7和碳纤维填料8,防止成型石墨环粉末6调入阀体1内。
所述的支架11与阀体1通过螺纹连接,所述的支架11与阀体1之间还设有防止支架11松动的卡环15与紧固螺栓16。本实用新型在支架11与阀体1采用螺纹连接,并用卡环15和紧固螺钉16防止支架松动。
所述的阀瓣4上设有安装槽41,所述的阀杆3前端设有安装件31,所述的安装件31固定在安装槽41内,所述的阀杆3与阀瓣4通过安装件31和安装槽41连接。
所述的阀瓣4与阀座2之间堆焊硬质合金密封。,保证密封效果。
以上所述仅是本实用新型的优选实施方式,本实用新型的保护范围并不仅局限于上述实施例,凡属于本实用新型思路下的技术方案均属于本实用新型的保护范围。应当指出,对于本技术领域的普通技术人员来说,在不脱离本实用新型原理前提下的若干改进和润饰,这些改进和润饰也应视为本实用新型的保护范围。

Claims (6)

1.一种无阀盖式的截止阀,包括阀体(1)、阀座(2)、阀杆(3)以及阀瓣(4),所述的阀杆(3)上连接有手轮(5),所述的阀体(1)上还设有支架(11),所述的阀体(1)与阀杆(3)之间设有填料,所述的填料包括成型石墨环(6),其特征在于,所述的阀体(1)内与填料的连接处设有台阶(12),所述的台阶(12)上设有防止成型石墨环(6)掉入阀体(1)内的金属填料垫(7)和碳纤维填料(8),所述的碳纤维填料(8)位于金属填料垫(7)的上方。
2.根据权利要求1所述的一种无阀盖式的截止阀,其特征在于,所述的填料上方还设有填料压套(13),所述的填料压套(13)穿过阀杆(3)压在填料处,所述的填料压套(13)上还设有填料压板(14)。
3.根据权利要求1所述的一种无阀盖式的截止阀,其特征在于,所述的支架(11)与阀体(1)通过螺纹连接,所述的支架(11)与阀体(1)之间还设有防止支架(11)松动的卡环(15)与紧固螺栓(16)。
4.根据权利要求2所述的一种无阀盖式的截止阀,其特征在于,所述的填料压板(14)与支架(11)之间还设有活节螺栓(17),所述的填料压板(14)通过活节螺栓(17)固定在支架(11)上。
5.根据权利要求1所述的一种无阀盖式的截止阀,其特征在于,所述的阀瓣(4)上设有安装槽(41),所述的阀杆(3)前端设有安装件(31),所述的安装件(31)固定在安装槽(41)内,所述的阀杆(3)与阀瓣(4)通过安装件(31)和安装槽(41)连接。
6.根据权利要求1所述的一种无阀盖式的截止阀,其特征在于,所述的阀瓣(4)与阀座(2)之间堆焊硬质合金密封。
CN201520765737.2U 2015-09-30 2015-09-30 一种无阀盖式的截止阀 Active CN204961862U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110360321A (zh) * 2019-08-07 2019-10-22 浙江高中压阀门有限公司 一种改进型低压料浆阀结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110360321A (zh) * 2019-08-07 2019-10-22 浙江高中压阀门有限公司 一种改进型低压料浆阀结构

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