The utility model discloses a combined type ball valve, which comprises a valve body and a ball valve core arranged in the valve body, a flow passage is arranged in the valve body, a valve rod through hole connected with the flow passage is fixed in the middle of the valve body, a ball valve core installation channel is arranged in the valve body, a valve core sealing ring is wrapped on the top surface and the bottom surface of the ball valve core, and an internal thread is fixed on the inner wall of the ball valve core installation channel, The inner thread of the ball valve core installation channel is connected with a pressure relief ring, a right angle groove is fixed on the inner side of the pressure relief ring, an external sampling connection screw hole connected with the ball valve core installation channel is fixed on the side wall of the valve body, and a sampling inspection ball valve is also set, and the inlet end thread of the sampling inspection ball valve is fixed in the external sampling connection screw hole. The structure of the utility model is reasonable, which can ensure the stability and reliability of the installation. At the same time, the utility model is provided with an external sampling connection screw hole and a sampling detection ball valve, so as to facilitate the on-line sampling detection, with strong applicability and good practicability.
【技术实现步骤摘要】
组合型球阀
本技术属于球阀
,具体涉及一种组合型球阀。
技术介绍
球阀是一种常见的结构,其主要是由阀座和阀盖及设置在阀座内的球阀芯及阀杆组成,其虽然可以满足一般情况的使用需求,但是其拆装较为不便,并且不利于对管道在正常工作时在线取样检测,同时也难以有效的保证密封性,故而适用性和实用性受到限制。
技术实现思路
本技术的目的是提供一种结构设置合理且适用性强的组合型球阀。实现本技术目的的技术方案是一种组合型球阀,包括阀体和设置在所述阀体内的球阀芯,在所述阀体内开设有流道,在所述阀体的中部固定有与流道相连通的阀杆通孔,所述阀体内设置有与流道同心且直径大于流道内径的球阀芯安装通道,在所述球阀芯的顶面和底面均包裹有阀芯密封圈,所述球阀芯自球阀芯安装通道进入阀体,阀杆自阀杆通孔内伸入并与球阀芯的顶端固定连接,在所述球阀芯安装通道的内壁上固定有内螺纹,在所述球阀芯安装通道内螺纹连接有抵压圆环,在所述抵压圆环的内侧面固定有直角凹槽,阀芯密封圈贴压在球阀芯安装通道的端面与抵压圆环的直角凹槽内密封,在所述阀体的侧壁上固定有一个与球阀芯安装通道相连通的外接取样连接螺孔,所述外接取样连接螺孔设置在抵压圆环的外侧端边沿处,还设置有取样检测球阀,所述取样检测球阀的进入端螺纹固定在外接取样连接螺孔内固定。在所述阀杆通孔内设置有填料密封圈,所述填料密封圈的底面固定有圆形凹槽,所述填料密封圈设置在所述阀杆通孔内且在填料密封圈的底面与阀杆通孔的底壁之间固定有0形密封圈,所述0形密封圈设置在圆形凹槽与阀杆通孔的底壁 ...
【技术保护点】
1.一种组合型球阀,包括阀体和设置在所述阀体内的球阀芯,在所述阀体内开设有流道,其特征在于:在所述阀体的中部固定有与流道相连通的阀杆通孔,所述阀体内设置有与流道同心且直径大于流道内径的球阀芯安装通道,在所述球阀芯的顶面和底面均包裹有阀芯密封圈,所述球阀芯自球阀芯安装通道进入阀体,阀杆自阀杆通孔内伸入并与球阀芯的顶端固定连接,在所述球阀芯安装通道的内壁上固定有内螺纹,在所述球阀芯安装通道内螺纹连接有抵压圆环,在所述抵压圆环的内侧面固定有直角凹槽,阀芯密封圈贴压在球阀芯安装通道的端面与抵压圆环的直角凹槽内密封,在所述阀体的侧壁上固定有一个与球阀芯安装通道相连通的外接取样连接螺孔,所述外接取样连接螺孔设置在抵压圆环的外侧端边沿处,还设置有取样检测球阀,所述取样检测球阀的进入端螺纹固定在外接取样连接螺孔内固定。/n
【技术特征摘要】
1.一种组合型球阀,包括阀体和设置在所述阀体内的球阀芯,在所述阀体内开设有流道,其特征在于:在所述阀体的中部固定有与流道相连通的阀杆通孔,所述阀体内设置有与流道同心且直径大于流道内径的球阀芯安装通道,在所述球阀芯的顶面和底面均包裹有阀芯密封圈,所述球阀芯自球阀芯安装通道进入阀体,阀杆自阀杆通孔内伸入并与球阀芯的顶端固定连接,在所述球阀芯安装通道的内壁上固定有内螺纹,在所述球阀芯安装通道内螺纹连接有抵压圆环,在所述抵压圆环的内侧面固定有直角凹槽,阀芯密封圈贴压在球阀芯安装通道的端面与抵压圆环的直角凹槽内密封,在所述阀体的侧壁上固定有一个与球阀芯安装通道相连通的...
【专利技术属性】
技术研发人员:王汉光,林淑媛,戚永东,李宪厂,
申请(专利权)人:浙江威腾阀门有限公司,
类型:新型
国别省市:浙江;33
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。