CN205078874U - 一种自动补偿法兰球阀 - Google Patents

一种自动补偿法兰球阀 Download PDF

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CN205078874U
CN205078874U CN201520885522.4U CN201520885522U CN205078874U CN 205078874 U CN205078874 U CN 205078874U CN 201520885522 U CN201520885522 U CN 201520885522U CN 205078874 U CN205078874 U CN 205078874U
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valve
valve seat
flange
bearing ring
gap
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林义
郭丽
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SICHUAN KAITZ VALVE Manufacturing CO LTD
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SICHUAN KAITZ VALVE Manufacturing CO LTD
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Abstract

本实用新型公开了一种自动补偿法兰球阀,属于流体机械领域。该自动补偿法兰球阀包括阀体、左右阀盖、设置在阀体内的球体;所述左右阀盖通过螺杆连接到阀体,左右阀盖端口处连接有法兰盘;所述法兰盘端面上开有多个对接孔,法兰与阀盖接触面设置有多个密封圈。通过活动式法兰对接管线,使管线在热胀冷缩时,能够自动补偿,以解决上述问题。

Description

一种自动补偿法兰球阀
技术领域
本实用新型涉及流体阀门领域,具体是一种自动补偿法兰球阀。
背景技术
球阀在流体控制中广泛应用,在流体控制应用中,球阀在管道中主要用于开启、关闭、分配流体介质的流动、改变流体介质的流动方向和流速等作用,一般包括阀体、阀芯、手柄和与手柄连接用来控制阀芯转动的阀杆,阀体内设置有贯穿阀体两端的通路以及与通路垂直连接的通孔,阀芯设置与通路内,阀杆穿过通孔与阀芯配合连接,阀芯具有横截面为圆形的通道。转动手柄带动阀杆转动,阀芯通路与阀体通道连通时,球阀打开,阀芯通路与阀体通道不连通时,球阀关闭。但在一些温差较大的环境中,特别是昼夜或者冬夏温差较大的环境中,由于管线的热胀冷缩,固定形式管线容易产生破裂现象,发生泄露。
实用新型内容
本实用新型旨在提供一种自动补偿法兰球阀,通过活动式法兰对接管线,使管线在热胀冷缩时,能够自动补偿,以解决上述问题。
为实现上述目的,本实用新型的技术方案如下:
一种自动补偿法兰球阀,其特征在于:包括阀体、左右阀盖、设置在阀体内的球体;所述左右阀盖通过螺杆连接到阀体,左右阀盖端口处连接有可活动法兰盘;所述法兰盘端面上开有多个对接孔,法兰与阀盖接触面设置有多个密封圈。
进一步地,所述球体与左右阀盖之间均设置有阀座支承圈,阀座支承圈上通过螺钉连接有阀座压环,阀座压环一面贴紧阀座支承圈,阀座压环与阀座支承圈之间形成有夹缝,夹缝内设置有阀座。
进一步地,阀座与球体的密封面填充有润滑油脂,并在阀座支承圈内设置有油脂补充通道。
进一步地,阀盖上开有连通到阀座支承圈的油脂补充通道的油脂添加孔,并设置有密封堵头。
本实用新型的有益效果在于:本实用新型在两端的阀盖出设置可活动的对接法兰盘,通过对接法兰盘再连接有管路,在夏季或者白天等温度较高的环境中,管路会发生热胀,当管线过长时,每段的管线热胀量进行堆积,会产生较大的位移,推动法兰盘向球体移动,来释放挤压力;反之,在冬季或者晚上温度较低时,管线拉动法兰盘收缩,释放拉力;能有效避免管线破损。
附图说明
图1是本实用新型提供的自动补偿法兰球阀结构示意图。
图中标记:1为球体、2为螺钉、3为阀座、4为阀座支承圈、5为阀盖、6为法兰盘。
具体实施方式
下面结合附图与具体实施例对本实用新型做进一步说明。
如图1所示,一种自动补偿法兰球阀,其特征在于:包括阀体、左右阀盖5、设置在阀体内的球体1;所述左右阀盖5通过螺杆连接到阀体,左右阀盖5端口处连接有法兰盘6;所述法兰盘6端面上开有多个对接孔,法兰与阀盖5接触面设置有多个密封圈。所述球体1与左右阀盖5之间均设置有阀座支承圈4,阀座支承圈4上通过螺钉2连接有阀座压环,阀座压环一面贴紧阀座支承圈4,阀座压环与阀座支承圈4之间形成有夹缝,夹缝内设置有阀座3。阀座3与球体1的密封面填充有润滑油脂,并在阀座支承圈4内设置有油脂补充通道。阀盖5上开有连通到阀座支承圈4的油脂补充通道的油脂添加孔,并设置有密封堵头。
在使用时,本实用新型在两端的阀盖5出设置可活动的对接法兰盘6,通过对接法兰盘6再连接有管路,在夏季或者白天等温度较高的环境中,管路会发生热胀,当管线过长时,每段的管线热胀量进行堆积,会产生较大的位移,推动法兰盘6向球体1移动,来释放挤压力;反之,在冬季或者晚上温度较低时,管线拉动法兰盘6收缩,释放拉力;能有效避免管线破损。
以上所述仅为本实用新型的优选实施例而已,并不用于限制本实用新型,对于本领域的技术人员来说,本实用新型可以有各种更改和变化。凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。

Claims (4)

1.一种自动补偿法兰球阀,其特征在于:包括阀体、左右阀盖、设置在阀体内的球体;所述左右阀盖通过螺杆连接到阀体,左右阀盖端口处连接有可活动法兰盘;所述法兰盘端面上开有多个对接孔,法兰与阀盖接触面设置有多个密封圈。
2.根据权利要求1所述的自动补偿法兰球阀,其特征在于:所述球体与左右阀盖之间均设置有阀座支承圈,阀座支承圈上通过螺钉连接有阀座压环,阀座压环一面贴紧阀座支承圈,阀座压环与阀座支承圈之间形成有夹缝,夹缝内设置有阀座。
3.根据权利要求2所述的自动补偿法兰球阀,其特征在于:阀座与球体的密封面填充有润滑油脂,并在阀座支承圈内设置有油脂补充通道。
4.根据权利要求3所述的自动补偿法兰球阀,其特征在于:阀盖上开有连通到阀座支承圈的油脂补充通道的油脂添加孔,并设置有密封堵头。
CN201520885522.4U 2015-11-09 2015-11-09 一种自动补偿法兰球阀 Active CN205078874U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107575610A (zh) * 2017-10-13 2018-01-12 南通市红星空压机配件制造有限公司 沼气螺杆压缩机进气阀

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107575610A (zh) * 2017-10-13 2018-01-12 南通市红星空压机配件制造有限公司 沼气螺杆压缩机进气阀

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