CN108194656A - 一种金属密封固定球阀的内置式分体先导阀的泄压结构 - Google Patents

一种金属密封固定球阀的内置式分体先导阀的泄压结构 Download PDF

Info

Publication number
CN108194656A
CN108194656A CN201810225268.3A CN201810225268A CN108194656A CN 108194656 A CN108194656 A CN 108194656A CN 201810225268 A CN201810225268 A CN 201810225268A CN 108194656 A CN108194656 A CN 108194656A
Authority
CN
China
Prior art keywords
valve
steel ball
guide
blocks
pilot valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810225268.3A
Other languages
English (en)
Inventor
张清双
茅岭峰
沈捷美
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Shentong Valve Co Ltd
Original Assignee
Jiangsu Shentong Valve Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Shentong Valve Co Ltd filed Critical Jiangsu Shentong Valve Co Ltd
Priority to CN201810225268.3A priority Critical patent/CN108194656A/zh
Publication of CN108194656A publication Critical patent/CN108194656A/zh
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/061—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor knee-joint
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Taps Or Cocks (AREA)

Abstract

本发明公开了一种金属密封固定球阀的内置式分体先导阀的泄压结构，由阀杆、钢珠I、先导阀芯、先导阀体、钢珠II、钢珠座、弹簧、先导阀盖组成，钢珠I、先导阀芯、钢珠II、和钢珠座从外至内依次安置于先导阀体内，钢珠II安装于钢珠座的球形槽内，该组合通过安置在钢珠座另一侧的先导阀盖进行限位，先导阀盖内设置有弹簧孔，先导阀体中部开有孔直通先导阀体。本发明密封性能可靠，泄压速度快，可以大大降低固定式球阀的扭矩，延长球阀的使用寿命。

Description

一种金属密封固定球阀的内置式分体先导阀的泄压结构
技术领域
本发明涉及一种泄压结构。
背景技术
目前现有固定式球阀启闭时扭矩偏大，影响操作，导致所需的驱动装置承载力大，增加了成本。若采用内置泄压装置，可以降低阀门部分扭矩，但因为内置先导阀，各种零部件的不可靠性增加，先导阀密封能力差，一旦失效，有可能会导致阀门出现内漏情况，危害更大。
发明内容
本发明主要解决的问题是固定式球阀启闭时扭矩偏大，影响操作，导致所需的驱动装置承载力大，增加了成本，而内置泄压装置，可以降低阀门部分扭矩，但因为内置先导阀，各种零部件的不可靠性增加，先导阀密封能力差，一旦失效，有可能会导致阀门出现内漏情况，危害更大
为解决上述问题，本发明提供了一种金属密封固定球阀的内置式分体先导阀的泄压结构，其特征在于：包括阀杆、钢珠I、先导阀芯、先导阀体、钢珠II、钢珠座、弹簧、先导阀盖，钢珠I、先导阀芯、钢珠II、和钢珠座从外至内依次安置于先导阀体内，钢珠II安装于钢珠座的球形槽内，在钢珠座另一侧设置先导阀盖，先导阀盖内设置有弹簧孔，先导阀体上开有孔直通先导阀体，先导阀盖上设有与先导阀体的孔相通的通孔；先导阀体中部设有与阀腔内部相通的开孔；球阀关闭时，介质直通弹簧孔，同时介质力也提供给钢珠座，增大先导阀的密封能力；当球阀开启时，钢珠Ⅰ在阀杆的带动下推离阀杆凹槽，同时顶开先导阀芯，先导阀体顶开钢珠Ⅱ，先导阀开启，介质压力通过先导阀体中部开孔直通阀腔内部，完成泄压。
先导阀内部采用先导阀芯、钢球Ⅱ、钢球座的三段式结构，并没有将其整合在一起，这样结构避免了在加工时出现的误差累积而导致密封性能不可靠。同时钢球在钢球孔内有一定微量间隙，球面可以更好的自定心于密封面上。此结构密封性能可靠，泄压速度快，可以大大降低固定式球阀的扭矩，延长球阀的使用寿命。
通过技术改进后，先导阀密封性能提高，泄压效果迅速，可大大降低固定式球阀的扭矩，增加了其可靠性，同时先导阀整套装置拆装方便，增大了其可维修性。
附图说明
图1是本发明的结构示意图
图2是图1的使用本发明的球阀示意图。
图1中1是阀杆、钢珠I、3是先导阀芯、4是先导阀体、5是钢珠II、6是钢珠座、7是弹簧、8是先导阀盖。
具体实施方式
如图1所示的一种金属密封固定球阀的内置式分体先导阀的泄压结构，由阀杆、钢珠I、先导阀芯、先导阀体、钢珠II、钢珠座、弹簧、先导阀盖组成，钢珠I、先导阀芯、钢珠II、和钢珠座从外至内依次安置于先导阀体内，钢珠II安装于钢珠座的球形槽内，该组合通过安置在钢珠座另一侧的先导阀盖进行限位，先导阀盖内设置有弹簧孔，先导阀体上开有孔直通先导阀体，先导阀盖上设有与先导阀体的孔相通的通孔；球阀关闭时，介质直通弹簧孔，同时介质力也会提供给钢珠座，增大了先导阀的密封能力；当球阀开启时，钢珠Ⅰ在阀杆的带动下推离阀杆凹槽，同时顶开先导阀芯，先导阀体顶开钢珠Ⅱ，先导阀开启，介质压力通过先导阀体中部开孔直通阀腔内部，瞬间完成了泄压。

Claims (1)

1.一种金属密封固定球阀的内置式分体先导阀的泄压结构，其特征在于：包括阀杆、钢珠I、先导阀芯、先导阀体、钢珠II、钢珠座、弹簧、先导阀盖，钢珠I、先导阀芯、钢珠II、和钢珠座从外至内依次安置于先导阀体内，钢珠II安装于钢珠座的球形槽内，在钢珠座另一侧设置先导阀盖，先导阀盖内设置有弹簧孔，先导阀体上开有孔直通先导阀体，先导阀盖上设有与先导阀体的孔相通的通孔；先导阀体中部设有与阀腔内部相通的开孔；球阀关闭时，介质直通弹簧孔，同时介质力也提供给钢珠座，增大先导阀的密封能力；当球阀开启时，钢珠Ⅰ在阀杆的带动下推离阀杆凹槽，同时顶开先导阀芯，先导阀体顶开钢珠Ⅱ，先导阀开启，介质压力通过先导阀体中部开孔直通阀腔内部，完成泄压。
CN201810225268.3A 2018-03-19 2018-03-19 一种金属密封固定球阀的内置式分体先导阀的泄压结构 Pending CN108194656A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810225268.3A CN108194656A (zh) 2018-03-19 2018-03-19 一种金属密封固定球阀的内置式分体先导阀的泄压结构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810225268.3A CN108194656A (zh) 2018-03-19 2018-03-19 一种金属密封固定球阀的内置式分体先导阀的泄压结构

Publications (1)

Publication Number Publication Date
CN108194656A true CN108194656A (zh) 2018-06-22

Family

ID=62595989

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810225268.3A Pending CN108194656A (zh) 2018-03-19 2018-03-19 一种金属密封固定球阀的内置式分体先导阀的泄压结构

Country Status (1)

Country Link
CN (1) CN108194656A (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653804A (zh) * 2013-11-25 2015-05-27 山西浩宇阀门科技有限公司 一种低扭力旋转阀座固定球阀
CN206054799U (zh) * 2016-09-29 2017-03-29 江苏神通阀门股份有限公司 一种上装式微扭矩球阀
CN106763928A (zh) * 2017-01-10 2017-05-31 江苏神通阀门股份有限公司 一种单向阀
CN206468833U (zh) * 2017-01-10 2017-09-05 江苏神通阀门股份有限公司 一种带有单向阀的微扭矩球阀
CN206943481U (zh) * 2017-05-19 2018-01-30 江苏神通阀门股份有限公司 一种微扭矩球阀
CN208041207U (zh) * 2018-03-19 2018-11-02 江苏神通阀门股份有限公司 一种金属密封固定球阀的内置式分体先导阀的泄压结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653804A (zh) * 2013-11-25 2015-05-27 山西浩宇阀门科技有限公司 一种低扭力旋转阀座固定球阀
CN206054799U (zh) * 2016-09-29 2017-03-29 江苏神通阀门股份有限公司 一种上装式微扭矩球阀
CN106763928A (zh) * 2017-01-10 2017-05-31 江苏神通阀门股份有限公司 一种单向阀
CN206468833U (zh) * 2017-01-10 2017-09-05 江苏神通阀门股份有限公司 一种带有单向阀的微扭矩球阀
CN206943481U (zh) * 2017-05-19 2018-01-30 江苏神通阀门股份有限公司 一种微扭矩球阀
CN208041207U (zh) * 2018-03-19 2018-11-02 江苏神通阀门股份有限公司 一种金属密封固定球阀的内置式分体先导阀的泄压结构

Similar Documents

Publication Publication Date Title
US10626764B2 (en) Internal combustion engine
EP3277935B1 (en) Self-retracting hydraulic engine brake system
KR20170055990A (ko) 엔진 제동용 로커 암 조립체
CN102444733B (zh) 一种自缓冲多级安全阀
US20160153551A1 (en) Hydraulic Control Arrangement for an Automatic Transmission
CN105683515A (zh) 发动机制动间隙调节器装置及方法
CN106640257B (zh) 载荷可控的发动机制动装置和发动机制动方法
CN107084259A (zh) 一种微扭矩球阀
CN208041207U (zh) 一种金属密封固定球阀的内置式分体先导阀的泄压结构
CN108194656A (zh) 一种金属密封固定球阀的内置式分体先导阀的泄压结构
GB2028953A (en) An Internal Combustion Engine with Exhaust Braking
US10527184B2 (en) Buckling pin valve
WO2013136508A1 (ja) 機械式ラッシュアジャスタ
US7237520B2 (en) Hydraulic valve-lash-adjusting element (HVA)
CN109268131B (zh) 一种发动机废气涡轮增压器涡轮箱组件及其废气阀
CN212250173U (zh) 液压挺柱
US20200011450A1 (en) Aviation Valve with Status Indicator
US6068236A (en) Electromagnetically operable valve
JP5421350B2 (ja) 改良ソレノイドバルブを備えた吸気バルブの可変駆動システムを有する内燃エンジン、および同エンジン用ソレノイドバルブ
CN106949170A (zh) 用于高转速湿式离合器的顺序启闭的排油阀及使用方法
CN209876012U (zh) 强制密封球阀
CN106762013A (zh) 一种齿轮齿杆式发动机制动器机构
CN207647629U (zh) 整体恒压式排气制动器
CN106499743B (zh) 一种液力变速器的离合器油压控制结构
CN2531178Y (zh) 一种温控截止阀

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180622