WO2020134562A1 - 气电转换提升阀 - Google Patents

气电转换提升阀 Download PDF

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Publication number
WO2020134562A1
WO2020134562A1 PCT/CN2019/114936 CN2019114936W WO2020134562A1 WO 2020134562 A1 WO2020134562 A1 WO 2020134562A1 CN 2019114936 W CN2019114936 W CN 2019114936W WO 2020134562 A1 WO2020134562 A1 WO 2020134562A1
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Prior art keywords
valve
cylinder body
gas
top cover
driving
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PCT/CN2019/114936
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English (en)
French (fr)
Inventor
刘瑾
王泽生
逄春林
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苏州协昌环保科技股份有限公司
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Publication of WO2020134562A1 publication Critical patent/WO2020134562A1/zh

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    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
    • F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means

Definitions

  • the invention belongs to the field of valve equipment, and particularly relates to a gas-electricity conversion poppet valve.
  • the poppet valve used in industrial dust collectors usually only has a single power drive mechanism.
  • the drive mechanism fails, if the valve cannot be opened or closed in time, it will have a serious impact on the work of the entire dust removal system. Therefore, a design can ensure that the valve is working.
  • the ability to open or close in time and accurately is a problem that needs to be solved urgently.
  • the purpose of the present invention is to provide a gas-electric conversion poppet valve that can open or close the valve flap in time and accurately.
  • the solution adopted by the present invention is: a gas-electric conversion poppet valve, which includes a valve flap, a first driving part for driving the valve flap to open or close, and driving when the first driving part fails The second driving part where the valve flap opens or closes,
  • the first driving part includes a cylinder body, a top cover and a bottom cover respectively sealed to the upper and lower ends of the cylinder body, a piston provided in the cylinder body, fixedly connected with the piston and penetrated in the cylinder
  • a pneumatic rod on the bottom cover of the body, the part of the pneumatic rod that protrudes out of the cylinder body is connected to the valve flap, and the cylinder bodies on both sides of the piston are respectively provided with inlet and outlet air pipe joints;
  • the second driving part includes a flange fixedly connected to the top cover, a valve stem slidingly disposed on the flange and the top cover, and driving the valve stem to move toward or away from the piston Drive parts.
  • the driving member is a screw mechanism or a cylinder.
  • the second driving part further includes a support post connected between the flange and the top cover and a guide anti-rotation plate for preventing the valve stem from rotating, the valve stem is penetrated by the In the guide anti-rotation plate, a guide block is provided on an inner wall of the guide anti-rotation plate opposite to the valve stem, and a guide groove is formed on the side wall of the valve stem, and the guide block is slidingly connected to the guide Inside the slot.
  • the top cover is provided with a through hole, the valve stem is penetrated in the through hole, the diameter of the upper half of the through hole is larger than the diameter of the lower half, and the upper half A sealing packing is filled between the valve stems, and a packing pressing plate is arranged on the sealing cover on the through hole.
  • a tension spring is sleeved on the pneumatic rod.
  • an installation groove for clamping the tension spring is opened on an end surface of the top cover opposite to the bottom cover.
  • a spring bracket for preventing the deviation of the tension spring is provided in the middle section of the pneumatic rod, and a bracket disc and a retaining ring located on the circumference of the bracket disc are provided between the springs, and a spring supply spring is provided on the bracket disc Through holes.
  • the lower end of the pneumatic rod is connected with a valve rod joint for adjusting the distance between the valve flap and the cylinder and an adjusting screw, and the valve rod joint and the valve flap are connected by a pin shaft.
  • the cylinder block includes an upper cylinder block, a lower cylinder block and an adjustment bolt for adjusting the relative positions of the upper cylinder block and the lower cylinder block, the outer side wall of the lower end of the upper cylinder block and the upper end of the lower cylinder block
  • the inner side wall is respectively provided with a limiting block and a limiting slot to prevent the two from separating.
  • the present invention has the following advantages compared with the prior art: the present invention integrates the first drive mechanism and the second drive mechanism, which greatly saves installation space.
  • the first drive mechanism is pneumatically driven
  • the second driving mechanism can be started in time and the opening or closing of the valve flap can be controlled in conjunction with the tension spring to ensure the safe and stable operation of the entire dust removal system.
  • Figure 1 is a schematic diagram of the present invention.
  • the gas-electricity conversion poppet valve includes a valve flap 1, a first driving part for driving the valve flap 1 to open or close, and a valve disc 1 to open or close when the first driving part fails Second drive unit.
  • the first driving part includes a cylinder body, a top cover and a bottom cover respectively sealed to the upper and lower ends of the cylinder body, a piston 21 provided in the cylinder body, fixedly connected with the piston 21 and penetrated through the A pneumatic rod 19 on the bottom cover of the cylinder body and a tension spring 7 sleeved on the pneumatic rod 19, a portion of the pneumatic rod 19 extending out of the cylinder body is connected to the valve flap 1,
  • the cylinder bodies on both sides of the piston 21 are respectively provided with an air inlet pipe joint 45 and an air outlet pipe joint 24, and the end surface of the top cover 43 opposite to the bottom cover is provided with a mounting groove for clamping the tension spring 7 ,
  • the middle part of the pneumatic rod 19 is provided with a spring bracket for preventing the tension spring 7 from shifting, and a bracket disc 9 and a retaining ring 10 located on the circumference of the bracket disc 9 are included between the springs, and the bracket disc 9 There is a through hole for the spring to pass through.
  • the cylinder block includes an upper cylinder block 18, a lower cylinder block 6, and an adjusting bolt 17 for adjusting the relative position of the upper cylinder block 18 and the lower cylinder block 6, the outer side wall of the lower end of the upper cylinder block 18 and the lower cylinder
  • the inner side wall of the upper end of the body 6 is respectively provided with a limiting block and a limiting slot to prevent the two from separating.
  • the lower end of the pneumatic rod 19 is connected with a valve rod 41 joint 4 for adjusting the distance between the valve flap 1 and the cylinder and an adjusting screw 5.
  • the valve rod 41 joint 4 and the valve flap 1 are connected by a pin 2.
  • the second driving part includes a flange 38 fixedly connected to the top cover 43, a valve stem 41 slidably disposed on the flange 38 and the top cover 43, and driving the valve stem 41 toward Or a drive member that moves away from the piston 21.
  • the driving member is a screw mechanism 37 or a cylinder.
  • the screw mechanism 37 is used for driving, and the upper end of the valve rod 41 is provided with a threaded section as the screw rod of the screw mechanism 37.
  • the second driving part further includes a support post 25 connected between the flange 38 and the top cover 43 and a guide anti-rotation plate 39 for preventing the valve stem 41 from rotating.
  • the valve stem 41 is inserted through In the guide anti-rotation plate 39, a guide block is provided on an inner wall of the guide anti-rotation plate 39 opposite to the valve rod 41, and a guide groove is opened on the side wall of the valve rod 41, and the guide block slides Connected to the guide groove.
  • the top cover 43 is provided with a through hole, the valve stem 41 is penetrated in the through hole, and the diameter of the upper half of the through hole is larger than the diameter of the lower half of the through hole.
  • a sealing packing is filled between the valve stems 41, and a packing pressure plate 8 is provided on the sealing cover on the through hole.
  • the working principle of the present invention is as follows. In the normal working state, the valve stem 41 is retracted, and the valve flap 1 is driven by the pneumatic rod 19 in the cylinder to move up and down. When the first driving part fails, the valve flap 1 will be under the action of the tension spring 7 When it is lifted, if it needs to be closed at this time, the second driving part starts to intervene, and the valve rod 41 descends under the action of the drive nut of the screw mechanism 37, and the piston 21 moves the pneumatic rod 19 of the piston 21 and the valve flap 1 downward, To realize the closing action, when it needs to be opened, the screw rod moves up and down, and under the action of the tension spring 7, the valve flap 1 moves upward.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)
  • Fluid-Driven Valves (AREA)

Abstract

一种气电转换提升阀，其包括阀瓣(1)、第一驱动部以及第二驱动部，第一驱动部包括缸体、分别密封连接于缸体上端和下端的顶盖(43)和底盖、设于缸体内的活塞(21)、与活塞(21)相固定连接且穿设于缸体的底盖上的气压杆(19)，气压杆(19)伸出于缸体外的部分与阀瓣(1)相连接，活塞(21)两侧的缸体上分别开设有进气管接头(45)和出气管接头(24)；第二驱动部包括与顶盖(43)相固定连接的法兰(38)、滑动地穿设于法兰(38)和顶盖(43)上的阀杆(41)、驱动阀杆(41)朝向或背离活塞(21)移动的驱动件。所述提升阀将第一驱动机构和第二驱动机构一体化设计，极大的节省了安装空间，当气动驱动的第一驱动机构失效时，可以及时启动第二驱动机构并配合拉簧(7)控制阀瓣(1)的打开或闭合，能保证整个除尘系统的安全稳定运行。

Description

气电转换提升阀 技术领域
本发明属于阀门设备领域，特别涉及一种气电转换提升阀。
背景技术
用于工业除尘器中的提升阀通常只有单动力驱动机构，当驱动机构失效时，阀门如果不能及时打开或者闭合，会对整个除尘系统的工作造成严重影响，因此设计一种能确保阀门在工作过程中能及时准确得打开或闭合是目前亟需解决的问题。
发明内容
本发明的目的是提供一种能及时准确得打开或闭合阀瓣的气电转换提升阀。
为达到上述效果，本发明所采用的方案是：一种气电转换提升阀，其包括阀瓣、用于带动所述阀瓣打开或闭合的第一驱动部以及在第一驱动部失效时带动所述阀瓣打开或闭合的第二驱动部，
所述第一驱动部包括缸体、分别密封连接于所述缸体上端和下端的顶盖和底盖、设于缸体内的活塞、与所述活塞相固定连接且穿设于所述缸体的底盖上的气压杆，所述气压杆伸出于所述缸体外的部分与所述阀瓣相连接，所述活塞两侧的缸体上分别开设有进、出气管接头；
所述第二驱动部包括与所述顶盖相固定连接的法兰、滑动地穿设于所述法兰和所述顶盖上的阀杆、驱动所述阀杆朝向或背离所述活塞移动的驱动件。
优化的，所述驱动件为丝杆机构或气缸。
优化的，所述第二驱动部还包括连接于所述法兰与所述顶盖之间的支撑立柱和用于防止所述阀杆转动的导向防转板，所述阀杆穿设于所述导向防转板内，所述导向防转板与所述阀杆相对的内壁上设有导向块，所述阀杆的侧壁上开设有导向槽，所述导向块滑动连接于所述导向槽内。
进一步地，所述顶盖上开设有贯穿孔，所述阀杆穿设于所述贯穿孔内，所述贯穿孔的上半段的直径大于其下半段的直径，所述上半段与所述阀杆之间填充有密封填料，所述贯穿孔上密封盖设有填料压板。
优化的，所述气压杆上套设有拉簧。
进一步地，所述顶盖与所述底盖相对的端面上开设有用于卡设所述拉簧的安装槽。
进一步地，所述气压杆中段设有用于防止拉簧偏移的弹簧支架，所述弹簧之间包括支架圆盘以及位于支架圆盘周圈的挡圈，所述支架圆盘上开设有供弹簧穿过的通过孔。
优化的，气压杆下端连接有用于调节阀瓣与缸体间距的阀杆接头以及调节螺钉，所述阀杆接头与所述阀瓣通过销轴相连接。
优化的，所述缸体包括相套接的上缸体、下缸体以及调节上缸体和下缸体相对位置的调节螺栓，所述上缸体下端部的外侧壁和下缸体上端部的内侧壁上分别设有防止两者分离的限位卡块和限位卡槽。
由于上述技术方案运用，本发明与现有技术相比具有下列优点：本发明将第一驱动机构和第二驱动机构一体化设计，极大的节省了安装空间，当气动驱动的第一驱动机构失效时，可以及时启动第二驱动机构并配合拉簧控制阀瓣的打开或闭合，能保证整个除尘系统的安全稳定运行。
附图说明
附图1为本发明的结构示意图。
具体实施方式
下面结合附图所示的实施例对本发明作进一步描述。
如图1所示，气电转换提升阀包括阀瓣1、用于带动所述阀瓣1打开或闭合的第一驱动部以及在第一驱动部失效时带动所述阀瓣1打开或闭合的第二驱动部。
所述第一驱动部包括缸体、分别密封连接于所述缸体上端和下端的顶盖和底盖、设于缸体内的活塞21、与所述活塞21相固定连接且穿设于所述缸体的底盖上的气压杆19以及套设于所述气压杆19上的拉簧7，所述气压杆19伸出于所述缸体外的部分与所述阀瓣1相连接，所述活塞21两侧的缸体上分别开设有进气管接头45和出气管接头24，所述顶盖43与所述底盖相对的端面上开设有用于卡设所述拉簧7的安装槽，所述气压杆19中段设有用于防止拉簧7偏移的弹簧支架，所述弹簧之间包括支架圆盘9以及位于支架圆盘9周圈的挡圈10， 所述支架圆盘9上开设有供弹簧穿过的通过孔。所述缸体包括相套接的上缸体18、下缸体6以及调节上缸体18和下缸体6相对位置的调节螺栓17，所述上缸体18下端部的外侧壁和下缸体6上端部的内侧壁上分别设有防止两者分离的限位卡块和限位卡槽。
气压杆19下端连接有用于调节阀瓣1与缸体间距的阀杆41接头4以及调节螺钉5，所述阀杆41接头4与所述阀瓣1通过销轴2相连接。
所述第二驱动部包括与所述顶盖43相固定连接的法兰38、滑动地穿设于所述法兰38和所述顶盖43上的阀杆41、驱动所述阀杆41朝向或背离所述活塞21移动的驱动件。所述驱动件为丝杆机构37或气缸。在本实施例中采用丝杆机构37驱动，阀杆41上端部设有螺纹段，作为丝杆机构37的丝杆。第二驱动部还包括连接于所述法兰38与所述顶盖43之间的支撑立柱25和用于防止所述阀杆41转动的导向防转板39，所述阀杆41穿设于所述导向防转板39内，所述导向防转板39与所述阀杆41相对的内壁上设有导向块，所述阀杆41的侧壁上开设有导向槽，所述导向块滑动连接于所述导向槽内。所述顶盖43上开设有贯穿孔，所述阀杆41穿设于所述贯穿孔内，所述贯穿孔的上半段的直径大于其下半段的直径，所述上半段与所述阀杆41之间填充有密封填料，所述贯穿孔上密封盖设有填料压板8。
本发明的工作原理如下，正常工作状态下阀杆41收起，阀瓣1由气缸中的气压杆19带动进行上下运动，当第一驱动部失效，阀瓣1会在拉簧7的作用下被提起，此时若需要闭合，则第二驱动部启动介入，阀杆41在丝杆机构37的驱动螺母的作用下下行，抵紧活塞21带动活塞21气压杆19以及阀瓣1一起下行，实现闭合动作，当需要打开时，丝杆上下，在拉簧7作用下，阀瓣1上行。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (9)

  1. 一种气电转换提升阀，其包括阀瓣、用于带动所述阀瓣打开或闭合的第一驱动部以及在第一驱动部失效时带动所述阀瓣打开或闭合的第二驱动部，其特征在于：
    所述第一驱动部包括缸体、分别密封连接于所述缸体上端和下端的顶盖和底盖、设于缸体内的活塞、与所述活塞相固定连接且穿设于所述缸体的底盖上的气压杆，所述气压杆伸出于所述缸体外的部分与所述阀瓣相连接，所述活塞两侧的缸体上分别开设有进、出气管接头；
    所述第二驱动部包括与所述顶盖相固定连接的法兰、滑动地穿设于所述法兰和所述顶盖上的阀杆、驱动所述阀杆朝向或背离所述活塞移动的驱动件。
  2. 根据权利要求1所述的气电转换提升阀，其特征在于：所述驱动件为丝杆机构或气缸。
  3. 根据权利要求1所述的气电转换提升阀，其特征在于：所述第二驱动部还包括连接于所述法兰与所述顶盖之间的支撑立柱和用于防止所述阀杆转动的导向防转板，所述阀杆穿设于所述导向防转板内，所述导向防转板与所述阀杆相对的内壁上设有导向块，所述阀杆的侧壁上开设有导向槽，所述导向块滑动连接于所述导向槽内。
  4. 根据权利要求3所述的气电转换提升阀，其特征在于：所述顶盖上开设有贯穿孔，所述阀杆穿设于所述贯穿孔内，所述贯穿孔的上半段的直径大于其下半段的直径，所述上半段与所述阀杆之间填充有密封填料，所述贯穿孔上密封盖设有填料压板。
  5. 根据权利要求1所述的气电转换提升阀，其特征在于：所述气压杆上套设有拉簧。
  6. 根据权利要求5所述的气电转换提升阀，其特征在于：所述顶盖与所述底盖相对的端面上开设有用于卡设所述拉簧的安装槽。
  7. 根据权利要求5所述的气电转换提升阀，其特征在于：所述气压杆中段设有用于防止拉簧偏移的弹簧支架，所述弹簧之间包括支架圆盘以及位于支架圆盘周圈的挡圈，所述支架圆盘上开设有供弹簧穿过的通过孔。
  8. 根据权利要求1所述的气电转换提升阀，其特征在于：气压杆下端连接有用于调节阀瓣与缸体间距的阀杆接头以及调节螺钉，所述阀杆接头与所述阀瓣通过销轴相连接。
  9. 根据权利要求1所述的气电转换提升阀，其特征在于：所述缸体包括 相套接的上缸体、下缸体以及调节上缸体和下缸体相对位置的调节螺栓，所述上缸体下端部的外侧壁和下缸体上端部的内侧壁上分别设有防止两者分离的限位卡块和限位卡槽。
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