WO2017096515A1 - 自力式紧急切断阀 - Google Patents

自力式紧急切断阀 Download PDF

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Publication number
WO2017096515A1
WO2017096515A1 PCT/CN2015/096618 CN2015096618W WO2017096515A1 WO 2017096515 A1 WO2017096515 A1 WO 2017096515A1 CN 2015096618 W CN2015096618 W CN 2015096618W WO 2017096515 A1 WO2017096515 A1 WO 2017096515A1
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Prior art keywords
sealing
handle
steel ball
valve
ball
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PCT/CN2015/096618
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English (en)
French (fr)
Inventor
张清海
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山东博日明能源科技有限公司
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Application filed by 山东博日明能源科技有限公司 filed Critical 山东博日明能源科技有限公司
Priority to PCT/CN2015/096618 priority Critical patent/WO2017096515A1/zh
Publication of WO2017096515A1 publication Critical patent/WO2017096515A1/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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • 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
    • F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
    • F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
    • 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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • 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
    • F16K31/60—Handles

Definitions

  • the invention relates to an emergency shut-off valve integrating three kinds of closing modes: electromagnetic, manual and temperature-sensing self-power.
  • the valve can be closed by the linkage mechanism of the valve by manual, electric and temperature control, and is suitable for gas,
  • the natural gas, petroleum and chemical industries belong to the field of valve manufacturing.
  • Gas, natural gas, petroleum, etc. are the indispensable main energy sources in daily life. It is very convenient for people's lives, but its flammable and explosive characteristics can not be closed in time. Property caused huge losses.
  • the invention focuses on solving the problem that when the fire occurs, the driving force is automatically used to close the valve by using the ambient temperature increase, thereby reducing the greater loss caused by the pipeline leakage.
  • the self-operated emergency shut-off valve can also be used for fire prevention purposes. When the environment reaches the set temperature, it will be turned off to prevent fire. Because the invention integrates three control modes of electric, manual and temperature self-power, it is convenient to use, safe and reliable.
  • the self-operated emergency shut-off valve belongs to the valve manufacturing industry.
  • the object of the present invention is to provide a safe, reliable and convenient emergency shut-off valve.
  • the temperature sensing element drives the valve linkage mechanism to automatically close the self-operated emergency shut-off valve, or by electric and manual control. The valve is closed.
  • the self-operated emergency shut-off valve is composed of a valve body, a compression screw, a ball joint, a gasket, a return spring, a steel ball inner fixing member, a steel ball, a steel ball outer fixing member, a magnetic conductive sealing connecting sleeve, Armature, protective slider plug, valve cover, valve stem, hand wheel, safety pin, handle base, compression nut, O-ring, seal plug, handle, temperature sensing element, sealing compression nut, handle Set, compression piece, handle connector, safety pin base, hand wheel fixing nut, ejector pin, protective slider, support sleeve, decompression
  • the bead is located in the groove at the lower part of the bead connector and the groove inside the sealing member; the lower portion of the bead connector is located inside the sealing member; the sealing spring is located at the outer periphery of the sealing member, and the upper portion of the sealing spring is The bottom end of the magnetic sealing joint is connected; the inside of the ball joint is a return spring, the bottom end of the return spring is connected to the bottom end of the inner side of the ball joint, and the top end is located in the groove of the bottom end of the inner fixing member of the steel ball;
  • the center of the top end of the inner fixing member of the bead is connected with the bottom end of the small top rod; the small top rod is located in the opening of the upper end of the outer fixing member of the steel ball, and the upper end is connected to the center of the bottom of the armature;
  • the outer fixing member of the steel ball is located at the outer periphery of the connecting member of the ball;
  • the steel ball is located in the opening of the side wall of the upper part of
  • the steel ball enters between the ball-bead connector and the inner fixing member of the steel ball.
  • the sealing member and the sealing piece are simultaneously moved down to the self-operating emergency shut-off valve.
  • the steel ball enters between the card bead connector and the inner fixing member of the steel ball, and the ball bead connection member closes the self-operated emergency shut-off valve under the action of the sealing spring, together with the sealing member and the sealing pressing piece, after reducing the barrier of the steel ball;
  • the electromagnetic coil When remote electric control is required according to the need, when the electromagnetic coil is connected to the power supply, the electromagnetic coil generates a magnetic force, and the armature moves downward under the action of the magnetic force, and the small ejector pin pushes down the inner fixing member of the steel ball, and the steel ball enters the card bead connector and Between the inner fixing members of the steel ball, after the barrier of the steel ball is reduced, the sealing spring and the sealing piece and the sealing piece are simultaneously moved downward by the action of the sealing spring, and the self-operated emergency shut-off valve is closed.
  • the invention relates to an emergency shut-off valve integrating three kinds of closing modes: electromagnetic, manual and temperature-sensing self-power.
  • the manual pressing handle drives the temperature sensing element to push the ejector rod to move downward, and the temperature sensing element receives the surrounding environment. The influence of temperature pushes the ejector rod to move downwards.
  • the ejector rod drives the protection slider, the decompression protection spring and the small ejector rod to slide downward.
  • the inner fixing member of the steel ball is moved downward by the pressure of the small ejector rod, and the steel ball enters the card bead connection piece and Between the inner fixing members of the steel ball, after the ball ball joint is reduced, the valve is closed by the downward movement of the sealing member and the sealing pressing piece under the action of the sealing spring.
  • the self-operated emergency shut-off valve can be closed by itself, or the self-operated emergency shut-off valve can be closed manually, or remotely as needed.
  • the self-operated emergency shut-off valve is electrically controlled to close.
  • valve body 1 valve body, 2 compression screws, 3 ball beads connector, 4 gaskets, 5 return springs, 6 steel ball inner fixing parts, 7 steel balls, 8 steel ball outer fixing parts, 9 magnetically sealed connecting sleeves, 10 armatures , 11 protection slider plug, 12 valve cover, 13 valve stem, 14 hand wheel, 15 safety pin, 16 handle base, 17 compression nut, 18O type seal ring, 19 seal ring plug, 20 handle, 21 temperature Components, 22 sealed compression nut, 23 handle inner sleeve, 24 compression plate, 25 handle connector, 26 safety pin base, 27 hand wheel fixing nut, 28 ejector pin, 29 protection slider, 30 support sleeve, 31 decompression Protection spring, 32 small ejector pins, 33 electromagnetic coils, 34 connection bolts, 35 card beads, 36 card beads plugs, 37 sealing springs, 38 seals, 39 sealing sheets, 40 fixing pads.
  • the pressure-reducing protection spring (31) is installed inside the armature (10), and the protective slider (29) is mounted on the upper end of the pressure-reducing protection spring (31), and the inside of the armature (10) will block the protective slider.
  • (11) Installed on the upper end of the protection slider (29), connected to the upper internal thread of the armature (10), the support sleeve (30) is placed on the outer periphery of the armature (10); the small top rod (32) is inserted in the steel ball In the hole at the center of the top end of the outer fixing member (8), the top end of the outer fixing member (8) of the steel ball is connected to the bottom end of the armature (10), and the bottom of the supporting sleeve (30) is welded to the outer fixing member (8) of the steel ball as Integrally, insert the bottom end of the valve stem (13) into the gap between the armature (10) and the support sleeve (30), insert the ejector rod (28) into the valve stem (13), and the bottom end of the valve stem
  • the lower part is installed in the groove on the upper part of the seal (38), and the bead (35) is mounted in the dense
  • the hole in the side wall of the sealing member (38) is such that the card bead (35) is evenly distributed around the inner side of the sealing member (38) and the groove at the outer periphery of the lower portion of the beading connector (3) around the beading connector (3).
  • the sealing gasket (4) is fitted from the top end of the valve stem (13) to the upper end of the valve body (1), and the magnetic sealing sealing sleeve (9) is placed on the outer periphery of the outer steel ball fixing member (8) of the sealing gasket (4).
  • the electromagnetic coil (33) is placed inside the magnetically conductive sealing sleeve (9), the valve cover (12) is placed on the periphery of the valve stem (13), the top of the magnetic sealing joint sleeve (9) is connected, and the connecting bolt (34)
  • the valve body (1) is integrated with the valve cover (12) through a hole in the lower part of the valve cover (12) and the upper part of the valve body (1), and the hand wheel (14) is mounted on the peripheral valve cover of the valve stem (13).
  • the handwheel fixing nut (27) On the top of (12), attach the handwheel fixing nut (27) to the periphery of the top stem (13) of the handwheel (14), and attach the handle connector (25) to the periphery of the jack (28).
  • the lower part of the piece (25) is screwed to the upper end of the valve stem (13) to secure the bottom of the pin (26)
  • the safety pin (15) On the periphery of the handle connector (25), the safety pin (15) is mounted on the upper end of the lower convex portion of the safety pin base (26), and the handle base (16) is placed on the safety pin base (26).
  • the pressing piece (24) is mounted on the periphery of the top handle connecting piece (25) of the handle base (16) and the safety pin base (26), and the compression nut (17) is mounted on
  • the O-ring (18) is mounted on the periphery of the ram (28)
  • the inside of the handle connector (25) is sealed with a sealing ring ( 19) Installed inside the lower part of the O-ring (18) to seal the lower part of the compression nut (22), and screw the sealing compression nut (22) to the upper periphery of the handle connector (25), and the inner sleeve of the handle (23) ) threadedly connected to the upper periphery of the handle base (16), threading the middle portion of the temperature sensing element (21) with the inner wall of the hole at the center of the top end of the handle inner sleeve (23), and fitting the handle (20) to the temperature sensing element (21)
  • the self-operated emergency shut-off valve is closed simultaneously with the sealing member (38) and the sealing pressure piece (39); when the manual closing is used, the safety pin (15) is first unplugged and then lowered downward.
  • the handle (20), the handle base (16), the handle inner sleeve (23), and the temperature sensing element (21) are simultaneously moved downward by the handle (20), and the temperature sensing element (21) moves downward while
  • the driving ram (28) drives the protection slider (29), the pressure reducing protection spring (31) and the small ejector rod (32) to go down at the same time, and the steel ball inner fixing member (6) is subjected to the pressure of the small ejector rod (32).
  • the self-operating emergency shut-off valve is closed at the same time; when the electromagnetic coil (33) is powered on, the electromagnetic coil (33) generates a magnetic force, and the armature (10) is Moving downward under the action of magnetic force, small top
  • the rod (32) is forced downward to push the inner fixing member (6) of the steel ball, the steel ball (7) enters between the ball connecting piece (3) and the inner fixing member (6) of the steel ball, and the ball connecting piece (3) reduces the steel ball
  • the self-operated emergency shut-off valve is closed.
  • the self-operated emergency shut-off valve produced by this method has been proved to be reliable in operation, easy to
  • the invention is an emergency shut-off valve integrating electromagnetic, manual and temperature-sensing self-power three closing modes.
  • the present invention can utilize the ambient temperature to shut off the valve.

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

Abstract

一种集电磁、手动、感温自力三种关闭方式为一体的紧急切断阀，当手动按压手柄（20）带动感温元件（21）推动顶杆（28）向下运动，或者当感温元件（21）受到周围环境温度的影响推动顶杆（28）向下运动时，顶杆（28）带动保护滑块（29）、减压保护弹簧（31）、小顶杆（32）向下滑动，钢珠内固定件（6）受到小顶杆（32）的压力向下移动，钢珠（7）进入卡珠连接件（3）与钢珠内固定件（6）之间，卡珠连接件（3）在减少钢珠（7）的阻隔后，在密封弹簧（37）的作用下连同密封件（38）、密封压片（39）同时向下运动将阀门关闭。所述的自力式紧急切断阀可以在周围环境温度异常升高至设定温度时自行关闭阀门，也可以通过手动将阀门关闭，同时也可以根据需要进行远程控制。

Description

自力式紧急切断阀 技术领域
本发明涉及一种集电磁、手动、感温自力三种关闭方式为一体的紧急切断阀，可以通过手动、电动、温度控制三种方式来驱动阀门的连动机构将阀门关闭，适用于燃气、天然气、石油、化工行业，属于阀门制造领域。
背景技术
燃气、天然气、石油等是人们目前日常生活中不可或缺的主要能源，它大大的方便人们的生活，但其具有易燃易爆的特性一旦发生火灾不能及时关闭阀门发生泄露会给人们的生命财产造成巨大的损失。本发明着重解决火灾发生时，利用周围环境温度升高产生驱动力自动关闭阀门，减少因管道泄露造成的更大的损失。自力式紧急切断阀也可以起到预防火灾的目的当环境达到设定温度时将关闭，预防火灾发生。由于本发明集电动、手动、感温自力三种控制方式结为一体，使用方便、安全可靠。为确保自力式紧急切断阀的安全性，当自力式紧急切断阀关闭后只有通过人工确认其周围环境安全及设备正常运行的情况下通过进行人工开启，保证其安全性。自力式紧急切断阀属于阀门制造行业。
技术问题
本发明的目的是提供一种安全、可靠、使用方便的紧急切断阀，当周围环境温度异常升高感温元件驱动阀门联动机构自行将自力式紧急切断阀关闭，或是通过电动和手动控制将阀门关闭。
问题的解决方案
技术解决方案
本发明使用的技术方案是，自力式紧急切断阀由阀体、压紧螺钉、卡珠连接件、密封垫、复位弹簧、钢珠内固定件、钢珠、钢珠外固定件、导磁密封连接套、衔铁、保护滑块丝堵、阀盖、阀杆、手轮、安全销、手柄底座、压紧螺母、O型密封圈、密封圈堵头、手柄、感温元件、密封压紧螺母、手柄内套、压紧片、手柄连接件、安全销底座、手轮固定螺母、顶杆、保护滑块、支撑套、减压 保护弹簧、小顶杆、电磁线圈、连接螺栓、卡珠、卡珠堵头、密封弹簧、密封件、密封压片、固定垫片等组成；其特征是：密封压片位于密封件的底部的凹槽内，固定垫片的顶部；压紧螺钉位于固定垫片的底部将密封件，密封压片及固定垫片固定在一起；密封件位于阀体的内部，密封件的侧壁开有一小孔；卡珠堵头位于密封件侧壁上的小孔内，卡珠可以通过密封件侧壁上的小孔进入密封件的内部，密封件内部与小孔对应处绕着密封件内壁四周开有一凹槽；卡珠位于卡珠连接件下部的凹槽及密封件内部的凹槽内；卡珠连接件的下部位于密封件的内部；密封弹簧位于密封件的上部外围，密封弹簧的上部与导磁密封连接套的底端相连；卡珠连接件的内部是复位弹簧，复位弹簧的底端与卡珠连接件内部的底端相连，顶端位于钢珠内固定件的底端的凹槽内；钢珠内固定件的顶端中央与小顶杆的底端相连；小顶杆位于钢珠外固定件上端的开孔内，上端与衔铁的底部中央相连；钢珠外固定件位于卡珠连接件的外围；钢珠位于卡珠连接件上部的侧壁的开孔内，钢珠的外侧与钢珠外固定件的内部相连，内侧与钢珠内固定件相连；钢珠外固定件的底端与密封件的顶端相连，钢珠外固定件的顶端与衔铁的底端相连；密封垫位于阀体的上端；导磁密封连接套位于密封垫的上端，阀盖的下端；阀体与阀盖之间由连接螺栓连接；电磁线圈位于导磁密封连接套的内部；衔铁位于电磁线圈的内部的支撑套的内部；减压保护弹簧位于衔铁的内部，减压保护弹簧的顶端与保护滑块的底部相连；保护滑块位于衔铁的内部，顶杆的底端；保护滑块丝堵位于顶杆的底部的外围，保护滑块丝堵的外围与衔铁的内部螺纹连接；阀杆位于顶杆的外围，底部位于支撑套上部的开孔内，底端是衔铁；顶杆与阀杆从阀盖内部中央的孔洞内穿过，阀杆的外围与阀盖的上部的内部螺纹连接；手轮位于阀杆外围，阀盖的顶端安全销底座的底端；手轮固定螺母位于阀杆的外围与手轮的顶端相连接；手柄连接件位于安全销底座的内部，顶杆的外围，手柄连接件的下端与阀杆上端的内螺纹连接，上端与密封压紧螺母的内部螺纹连接；O型密封圈位于手柄连接件上部的内部，顶杆的外围；密封圈堵头位于手柄连接件上部的内部，O型密封圈的顶端；压紧片位于手柄连接件的外围，安全销底座的顶端；压紧螺母位于手柄连接件的外围，压紧片的顶端；密封压紧螺母位于顶杆的外围，手柄内套的内部；安全 销位于手柄底座的底部安全销底座的上部；手柄底座位于安全销底座的上端，与手柄下部的内螺纹连接；手柄侧壁四周开有通风孔，手柄内套位于手柄的内部，手柄内套与手柄底座螺纹连接；感温元件位于手柄的内部，感温元件的下部通过手柄内套上端中央的孔洞，感温元件底端与顶杆顶端相连；温度控制阀门的关闭，当自力式紧急切断阀周围环境温度异常上升至设定温度时感温元件向下推动顶杆，顶杆带动保护滑块、减压保护弹簧、小顶杆同时向下走，钢珠内固定件受到小顶杆的压力向下移动，钢珠进入卡珠连接件与钢珠内固定件之间，卡珠连接件在减少钢珠的阻隔后在密封弹簧的作用下连同密封件、密封压片同时向下走将自力式紧急切断阀关闭；使用手动关闭时，首先将安全销拔掉，然后向下推动手柄，手柄底座、手柄内套、感温元件在手柄的带动下同时向下移动，感温元件在向下移动的同时驱动顶杆带动保护滑块、减压保护弹簧、小顶杆同时向下走，钢珠内固定件受到小顶杆的压力向下移动，钢珠进入卡珠连接件与钢珠内固定件之间，卡珠连接件在减少钢珠的阻隔后在密封弹簧的作用下连同密封件、密封压片同时向下走将自力式紧急切断阀关闭；根据需要进行远程电动控制时，当电磁线圈接通电源后，电磁线圈产生磁力，衔铁在磁力作用下向下运动，小顶杆受力向下推动钢珠内固定件，钢珠进入卡珠连接件与钢珠内固定件之间，卡珠连接件在减少钢珠的阻隔后在密封弹簧的作用下连同密封件、密封压片同时向下走，将自力式紧急切断阀关闭。
发明的有益效果
有益效果
本发明的有益效果是本发明涉及一种集电磁、手动、感温自力三种关闭方式为一体的紧急切断阀，手动按压手柄带动感温元件推动顶杆向下运动、感温元件受到周围环境温度的影响推动顶杆向下运动，顶杆带动保护滑块、减压保护弹簧、小顶杆向下滑动，钢珠内固定件受到小顶杆的压力向下移动，钢珠进入卡珠连接件与钢珠内固定件之间，卡珠连接件在减少钢珠的阻隔后在密封弹簧的作用下连同密封件、密封压片同时向下运动将阀门关闭。当自力式紧急切断阀周围环境温度异常升高至设定温度时，可以自行将自力式紧急切断阀阀门关闭，也可以通过手动将自力式紧急切断阀阀门关闭，同时也可以根据需要远程对 自力式紧急切断阀进行电动控制关闭。
对附图的简要说明
附图说明
图：本发明的侧剖原理图
图中：1阀体，2压紧螺钉，3卡珠连接件，4密封垫，5复位弹簧，6钢珠内固定件，7钢珠，8钢珠外固定件，9导磁密封连接套，10衔铁，11保护滑块丝堵，12阀盖，13阀杆，14手轮，15安全销，16手柄底座，17压紧螺母，18O型密封圈，19密封圈堵头，20手柄，21感温元件，22密封压紧螺母，23手柄内套，24压紧片，25手柄连接件，26安全销底座，27手轮固定螺母，28顶杆，29保护滑块，30支撑套，31减压保护弹簧，32小顶杆，33电磁线圈，34连接螺栓，35卡珠，36卡珠堵头，37密封弹簧，38密封件，39密封压片，40固定垫片。
实施该发明的最佳实施例
本发明的最佳实施方式
首先将减压保护弹簧(31)安装在衔铁(10)的内部，将保护滑块(29)安装在减压保护弹簧(31)的上端，衔铁(10)的内部，将保护滑块丝堵(11)安装在保护滑块(29)的上端，与衔铁(10)的上部内螺纹连接，将支撑套(30)套装在衔铁(10)的外围；将小顶杆(32)插在钢珠外固定件(8)顶端中央的孔洞内，将钢珠外固定件(8)的顶端与衔铁(10)的底端相连，将支撑套(30)的底部与钢珠外固定件(8)焊接为一体，将阀杆(13)的底端插入衔铁(10)与支撑套(30)之间的缝隙中，将顶杆(28)插入阀杆(13)内部，将阀杆(13)底端与支撑套(30)的顶端焊接为一体；将密封压片(39)装在密封件(38)底部的凹槽内，安装固定垫片(40)将密封压片(39)卡在密封件(38)与固定垫片(40)之间，安装压紧螺钉(2)将固定垫片(40)与密封压片(39)固定在密封件(38)上，将卡珠连接件(3)的下部安装在密封件(38)上部的凹槽中，将卡珠(35)装在密封件(38)侧壁上的孔洞内，使卡珠(35)通过密封件(38)内壁及卡珠连接件(3)下部外围的凹槽均匀分布在卡珠连接件(3)周围，将卡珠堵头(36)安装在密封件(38)侧壁上的孔洞内，将复位弹簧(5)安装在卡珠连接件(3)的内部，将钢珠内固定件(6)安装在卡珠 连接件(3)的内部复位弹簧(5)的上部，将钢珠(7)安装在卡珠连接件(3)上部侧壁上的孔洞内，将钢珠外固定件(8)安装在卡珠连接件(3)的上部的外围；将密封弹簧(37)套装在密封件(38)上部的外围，将组装好的部件密封压片(39)的部分朝下安装在阀体(1)内部，将密封垫(4)从阀杆(13)顶端套装在阀体(1)上端，将导磁密封连接套(9)套装在密封垫(4)的上端钢珠外固定件(8)的外围，将电磁线圈(33)套装在导磁密封连接套(9)的内部，将阀盖(12)套装在阀杆(13)的外围，导磁密封连接套(9)的顶部，连接螺栓(34)通过阀盖(12)下部与阀体(1)上部的孔洞将阀体(1)与阀盖(12)连为一体，将手轮(14)安装在阀杆(13)的外围阀盖(12)的顶部，将手轮固定螺母(27)安装在手轮(14)的顶端阀杆(13)的外围，将手柄连接件(25)安装在顶杆(28)的外围，手柄连接件(25)的下部与阀杆(13)的上端螺纹连接，将安全销底座(26)套装在手柄连接件(25)的外围，将安全销(15)安装在安全销底座(26)下部外凸部位的上端，将手柄底座(16)套装在安全销底座(26)的外围安全销(15)的上端，将压紧片(24)安装在手柄底座(16)与安全销底座(26)的顶端手柄连接件(25)的外围，将压紧螺母(17)安装在压紧片(24)的顶端手柄连接件(25)的外围，将O型密封圈(18)安装在顶杆(28)的外围，手柄连接件(25)的内部，将密封圈堵头(19)安装在O型密封圈(18)的上端密封压紧螺母(22)下部的内部，将密封压紧螺母(22)与手柄连接件(25)上部外围螺纹连接，将手柄内套(23)与手柄底座(16)上部外围螺纹连接，将感温元件(21)的中部与手柄内套(23)顶端中央的孔洞的内壁螺纹连接，将手柄(20)套装在感温元件(21)的外围，使手柄底座(16)下部的外围与手柄(20)下部内侧螺纹连接。
发明实施例
本发明的实施方式
使用时，首先将自力式紧急切断阀按正确的方向连接，将电源线连接好，将自力式紧急切断阀打开，当自力式紧急切断阀周围环境温度异常上升至设定温度时感温元件(21)向下推动顶杆(28)，顶杆(28)带动保护滑块(29)、减压保护弹簧(31)、小顶杆(32)同时向下走，钢珠内固定件(6)受到小顶杆 (32)的压力向下移动，钢珠(7)进入卡珠连接件(3)与钢珠内固定件(6)之间，卡珠连接件(3)在减少钢珠(7)的阻隔后在密封弹簧(37)的作用下连同密封件(38)、密封压片(39)同时向下走将自力式紧急切断阀关闭；使用手动关闭时，首先将安全销(15)拔掉，然后向下推动手柄(20)，手柄底座(16)、手柄内套(23)、感温元件(21)在手柄(20)的带动下同时向下移动，感温元件(21)在向下移动的同时驱动顶杆(28)带动保护滑块(29)、减压保护弹簧(31)、小顶杆(32)同时向下走，钢珠内固定件(6)受到小顶杆(32)的压力向下移动，钢珠(7)进入卡珠连接件(3)与钢珠内固定件(6)之间，卡珠连接件(3)在减少钢珠(7)的阻隔后在密封弹簧(37)的作用下连同密封件(38)、密封压片(39)同时向下走将自力式紧急切断阀关闭；当电磁线圈(33)接通电源后，电磁线圈(33)产生磁力，衔铁(10)在磁力作用下向下运动，小顶杆(32)受力向下推动钢珠内固定件(6)，钢珠(7)进入卡珠连接件(3)与钢珠内固定件(6)之间，卡珠连接件(3)在减少钢珠(7)的阻隔后在密封弹簧(37)的作用下连同密封件(38)、密封压片(39)同时向下走，将自力式紧急切断阀关闭。实践证明此种方法生产的自力式紧急切断阀，工作可靠，使用方便操作简单，安全性能高。
工业实用性
本发明是集电磁、手动、感温自力三种关闭方式为一体的紧急切断阀。
本发明可以利用周围环境温度对阀门进行关闭。

Claims (2)

  1. 自力式紧急切断阀由阀体、压紧螺母、卡珠连接件、密封垫、复位弹簧、钢珠内固定件、钢珠、钢珠外固定件、导磁密封连接套、衔铁、保护滑块丝堵、阀盖、阀杆、手轮、安全销、手柄底座、压紧螺母、O型密封圈、密封圈堵头、手柄、感温元件、密封压紧螺母、手柄内套、压紧片、手柄连接件、安全销底座、手轮固定螺母、顶杆、保护滑块、支撑套、减压保护弹簧、小顶杆、电磁线圈、连接螺栓、卡珠、卡珠堵头、密封弹簧、密封件、密封压片、固定垫片等组成；其特征是：密封压片位于密封件的底部的凹槽内，固定垫片的顶部；压紧螺钉位于固定垫片的底部将密封件，密封压片及固定垫片固定在一起；密封件位于阀体的内部，密封件的侧壁开有一小孔；卡珠堵头位于密封件侧壁上的小孔内，卡珠可以通过密封件侧壁上的小孔进入密封件的内部，密封件内部与小孔对应处绕着密封件内壁四周开有一凹槽；卡珠位于卡珠连接件下部的凹槽及密封件内部的凹槽内；卡珠连接件的下部位于密封件的内部；密封弹簧位于密封件的上部外围，密封弹簧的上部与导磁密封连接套的底端相连；卡珠连接件的内部是复位弹簧，复位弹簧的底端与卡珠连接件内部的底端相连，顶端位于钢珠内固定件的底端的凹槽内；钢珠内固定件的顶端中央与小顶杆的底端相连；小顶杆位于钢珠外固定件上端的开孔内，上端与衔铁的底部中央相连；钢珠外固定件位于卡珠连接件的外围；钢珠位于卡珠连接件上部的侧壁的开孔内，钢珠的外侧与钢珠外固定件的内部相连，内侧与钢珠内固定件相连；钢珠外固定件的底端与密封件的顶端相连，钢珠外固定件的顶端与衔铁的底端相连；密封垫位于阀体的上端；导磁密封连接套位于密封垫的上端，阀盖的下端；阀体与阀盖之间由连接螺栓连接；电磁线圈位于导磁密封连接套的内部；衔铁位于电磁线圈的内部的支撑套的内部；减压保护弹簧位于衔铁的内部，减压保护弹簧的顶端与保护 滑块的底部相连；保护滑块位于衔铁的内部，顶杆的底端；保护滑块丝堵位于顶杆的底部的外围，保护滑块丝堵的外围与衔铁的内部螺纹连接；阀杆位于顶杆的外围，底部位于支撑套上部的开孔内，底端是衔铁；顶杆与阀杆从阀盖内部中央的孔洞内穿过，阀杆的外围与阀盖的上部的内部螺纹连接；手轮位于阀杆外围，阀盖的顶端安全销底座的底端；手轮固定螺母位于阀杆的外围与手轮的顶端相连接；手柄连接件位于安全销底座的内部，顶杆的外围，手柄连接件的下端与阀杆上端的内螺纹连接，上端与密封压紧螺母的内部螺纹连接；O型密封圈位于手柄连接件上部的内部，顶杆的外围；密封圈堵头位于手柄连接件上部的内部，O型密封圈的顶端；压紧片位于手柄连接件的外围，安全销底座的顶端；压紧螺母位于手柄连接件的外围，压紧片的顶端；密封压紧螺母位于顶杆的外围，手柄内套的内部；安全销位于手柄底座的底部安全销底座的上部；手柄底座位于安全销底座的上端，与手柄下部的内螺纹连接；手柄侧壁四周开有通风孔，手柄内套位于手柄的内部，手柄内套与手柄底座螺纹连接；感温元件位于手柄的内部，感温元件的下部通过手柄内套上端中央的孔洞，感温元件底端与顶杆顶端相连；温度控制阀门的关闭，当自力式紧急切断阀周围环境温度异常上升至设定温度时感温元件向下推动顶杆，顶杆带动保护滑块、减压保护弹簧、小顶杆同时向下走，钢珠内固定件受到小顶杆的压力向下移动，钢珠进入卡珠连接件与钢珠内固定件之间，卡珠连接件在减少钢珠的阻隔后在密封弹簧的作用下连同密封件、密封压片同时向下走将自力式紧急切断阀关闭；使用手动关闭时，首先将安全销拔掉，然后向下推动手柄，手柄底座、手柄内套、感温元件在手柄的带动下同时向下移动，感温元件在向下移动的同时驱动顶杆带动保护滑块、减压保护弹簧、小顶杆同时向下走，钢珠内固定件受到小顶杆的压力向下移动，钢珠进入卡珠连接件与钢珠内固定件之间，卡珠连接件在减少钢 珠的阻隔后在密封弹簧的作用下连同密封件、密封压片同时向下走将自力式紧急切断阀关闭；根据需要进行远程电动控制时，当电磁线圈接通电源后，电磁线圈产生磁力，衔铁在磁力作用下向下运动，小顶杆受力向下推动钢珠内固定件，钢珠进入卡珠连接件与钢珠内固定件之间，卡珠连接件在减少钢珠的阻隔后在密封弹簧的作用下连同密封件、密封压片同时向下走，将自力式紧急切断阀关闭。
  2. 根据权利要求1所述的自力式紧急切断阀，其特征是：集电磁、手动、感温自力三种关闭方式为一体的紧急切断阀。
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CN112664698A (zh) * 2020-12-25 2021-04-16 徐利论 一种具有方便检装结构的低温切断阀

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