A soft liner is covered with a soft bushing inside the valve cover hole. The inner diameter of the soft bushing is smaller than the inner diameter of the valve cover. The soft bushing has a grab section on the soft bushing, and the grabbing part is located outside the valve cover hole. The grasping part is easy to disconnect the soft bushing from the valve lid hole. The valve stem is loaded into a soft bushing, and a splitting surface is arranged on the soft bushing. After the soft bushing is axial detached from the valve cover hole, the splitting surface is detached from the valve stem. The beneficial effect of the invention is: using a soft bushing, the inner diameter is less than the inner diameter of the valve cover, and the valve rod is zero contact with the valve cover to avoid the stem scratch and the seal is ensured, and the soft bushing can be easily removed from the stem after the valve stem is installed, reducing the opening and closing torque of the valve stem and taking the soft linings off. The valve can be applied to harsh conditions such as high temperature and high pressure, and the scope of application is wider.
【技术实现步骤摘要】
一种安装防逸散性填料的防护工装及使用方法所属
本专利技术涉及一种安装阀门时的防护工装及其使用方法。
技术介绍
目前随着国家对环保的要求不断提升,越来越多的阀门用户对阀门的逸散性泄漏提出了要求,防逸散性填料正是一种让阀门阀杆部位减少逸散性泄漏的密封技术。普通的填料都是将阀杆安装好以后,再将填料一个个或者一组安装到阀杆与填料函间,但是,为了使填料之间能够紧密贴合,减少缝隙,提升填料的密封性能,增强防逸散性;安装防逸散性填料时,先将填料安装到填料函中,再以填料内孔作为导向定位,将阀杆从阀盖下部旋入填料中,这样,安装过程中阀杆与阀盖内孔摩擦,容易被阀盖内孔拉伤,一旦阀杆被拉伤,密封就会失效,发生泄漏。
技术实现思路
本专利技术的目的在于提供一种结构简单,能有效防止安装防逸散性填料时,阀杆被阀盖拉伤的防护工装。本发霉解决其技术问题所采用的技术方案是,一种安装防逸散性填料的防护工装,包括一个软性衬套,软性衬套内衬于阀盖孔内,软性衬套内径小于阀盖孔内径,软性衬套上设置有抓取部,抓取部位于阀盖孔外部,抓取部便于将软性衬套从阀盖孔中轴向脱离,阀杆装入软性衬套内,软性衬套上开设有分割面,软性衬套从阀盖孔中轴向脱离后,通过分割面从阀杆上剥离。进一步的,阀盖孔开设有安装槽,软性衬套内衬于阀盖孔的安装槽内。进一步的,软性衬套的轴向长度为阀杆直径的1-1.5倍。进一步的,分割面的数量不少于1个。安装防逸散性填料的防护工装的使用方法,第一步,将软性衬套内衬于阀盖孔内,软性衬套的外表面与阀盖孔配合;第二步,以软性衬套内孔为定位导向,将阀杆装入软性衬套中,软性衬套内径小于阀盖孔内径,保证阀杆装 ...
【技术保护点】
1.一种安装防逸散性填料的防护工装,其特征在于:包括一个软性衬套,所述软性衬套内衬于阀盖孔内,所述软性衬套内径小于阀盖孔内径, 所述软性衬套上设置有抓取部,所述抓取部位于所述阀盖孔外部,所述抓取部便于将所述软性衬套从所述阀盖孔中轴向脱离,阀杆装入所述软性衬套内,所述软性衬套上开设有分割面,所述软性衬套从所述阀盖孔中轴向脱离后,通过分割面从所述阀杆上剥离。
【技术特征摘要】
1.一种安装防逸散性填料的防护工装,其特征在于:包括一个软性衬套,所述软性衬套内衬于阀盖孔内,所述软性衬套内径小于阀盖孔内径,所述软性衬套上设置有抓取部,所述抓取部位于所述阀盖孔外部,所述抓取部便于将所述软性衬套从所述阀盖孔中轴向脱离,阀杆装入所述软性衬套内,所述软性衬套上开设有分割面,所述软性衬套从所述阀盖孔中轴向脱离后,通过分割面从所述阀杆上剥离。2.如权利要求1所述的安装防逸散性填料的防护工装,其特征在于:所述阀盖孔开设有安装槽,所述软性衬套内衬于阀盖孔的安装槽内。3.如权利要求1所述的安装防逸散性填料的防护工装,其特征在于:所述软性衬套的...
【专利技术属性】
技术研发人员:张清双,施健海,施海健,
申请(专利权)人:江苏神通阀门股份有限公司,
类型:发明
国别省市:江苏,32
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。