CN114635981B - 一种防腐蚀蝶阀 - Google Patents

一种防腐蚀蝶阀 Download PDF

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CN114635981B
CN114635981B CN202210246905.1A CN202210246905A CN114635981B CN 114635981 B CN114635981 B CN 114635981B CN 202210246905 A CN202210246905 A CN 202210246905A CN 114635981 B CN114635981 B CN 114635981B
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valve body
valve
butterfly plate
butterfly
worm
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CN114635981A (zh
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韩文豪
董家旭
原昕
冀易
刘祎
郭琰林
蒋德行
王大凯
王玲
臧红薇
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Jiangsu Jiangyuan Machinery Co ltd
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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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2268—Sealing means for the axis of rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
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    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/221—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/224—Details of bearings for the axis of rotation
    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
    • 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/46—Attachment of sealing rings
    • F16K1/465—Attachment of sealing rings to the valve seats
    • 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
    • F16K1/32—Details
    • F16K1/50—Preventing rotation of valve members
    • 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
    • F16K1/32—Details
    • F16K1/52—Means for additional adjustment of the rate of flow
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • 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
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
    • 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
    • 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
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • 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
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement

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  • Mechanical Engineering (AREA)
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Abstract

本发明涉及石油阀门领域，更具体的说是一种防腐蚀蝶阀。一种防腐蚀蝶阀，包括蝶板、转轴、转动部和密封圈，所述蝶板的上部设置有转轴，转轴上设置有转动部，转动部上设置有多个密封圈。还包括阀体和密封环，密封环设置在阀体内，蝶板的外圈与密封环相接触。还包括圆筒，圆筒设置在阀体上侧，转动部转动连接在圆筒上。还包括挡杆、限位柱和顶盘，顶盘设置在转轴的上端，顶盘上设置有两个限位柱，两个限位柱之间垂直，挡杆固定在阀体的上侧，挡杆位于两个限位柱之间。通过多个密封圈进行良好的密封。

Description

一种防腐蚀蝶阀
技术领域
本发明涉及石油阀门领域，更具体的说是一种防腐蚀蝶阀。
背景技术
蝶阀又叫翻板阀，是一种结构简单的调节阀，可用于低压管道介质的开关控制的蝶阀是指关闭件为圆盘，围绕阀轴旋转来达到开启与关闭的一种阀。在管道上主要起切断和节流作用。蝶阀启闭件是一个圆盘形的蝶板，在阀体内绕其自身的轴线旋转，从而达到启闭或调节的目的。在石油领域经常使用蝶阀，但是传统的蝶阀的密封性一般。
发明内容
为克服现有技术的不足，本发明提供一种防腐蚀蝶阀，其有益效果为通过多个密封圈进行良好的密封。
一种防腐蚀蝶阀，包括蝶板、转轴、转动部和密封圈，所述蝶板的上部设置有转轴，转轴上设置有转动部，转动部上设置有多个密封圈。
还包括阀体和密封环，密封环设置在阀体内，蝶板的外圈与密封环相接触。
还包括圆筒，圆筒设置在阀体上侧，转动部转动连接在圆筒上。
还包括挡杆、限位柱和顶盘，顶盘设置在转轴的上端，顶盘上设置有两个限位柱，两个限位柱之间垂直，挡杆固定在阀体的上侧，挡杆位于两个限位柱之间。
附图说明
下面结合附图和具体实施方法对本发明做进一步详细的说明。
图1为防腐蚀蝶阀的结构示意图一；
图2为防腐蚀蝶阀的结构示意图二；
图3为防腐蚀蝶阀的结构示意图三；
图4为阀体和蝶板的结构示意图一；
图5为阀体和蝶板的结构示意图二；
图6为半圆框的结构示意图；
图7为支架的结构示意图；
图8为门形框和中轴的结构示意图一；
图9为门形框和中轴的结构示意图二。
图中：阀体101；圆筒102；挡杆103；密封环104；滑孔105；凸条106；插孔107；圆杆108；插柱109；
蝶板201；转轴202；限位柱203；顶盘204；蜗轮205；转动部206；密封圈207；
半圆框301；挂钩302；插针303；压条304；
支架401；蜗杆402；手轮403；
门形框501；压爪502；拨杆503；压座504；橡胶条505；连接柱506；刮环507；
中轴601；挡头602；缓冲盘603。
具体实施方式
如图1-9所示，这个例子解决了转动部206上的多个密封圈207有效地对转轴202处进行密封的问题，
由于防腐蚀蝶阀包括蝶板201、转轴202、转动部206和密封圈207，转轴202设置在蝶板201的上部，转动部206设置在转轴202上，多个密封圈207从上至下设置在转动部206上，通过设置在转动部206上的多个密封圈207有效地对转轴202处进行密封。
如图1-9所示，这个例子解决了将阀体101和蝶板201之间进行密封的问题，
由于防腐蚀蝶阀还包括阀体101和密封环104，阀体101的内周上设置有密封环104，密封环104与蝶板201相接触，进而通过密封环104有效地在蝶板201关闭时，将阀体101和蝶板201之间进行密封，进而将蝶阀关闭。
如图1-9所示，这个例子解决了转动部206上的多个密封圈207与圆筒102的内周进行接触的问题，
由于防腐蚀蝶阀还包括圆筒102，阀体101上侧设置有圆筒102，圆筒102上转动连接转动部206，转动部206上的多个密封圈207与圆筒102的内周进行接触，进而使得转动部206上的多个密封圈207有效地对转轴202处进行密封。
如图1-9所示，这个例子解决了防止蝶板201关闭时转动过大的问题，
由于防腐蚀蝶阀还包括挡杆103、限位柱203和顶盘204，转轴202的上端设置有顶盘204，两个限位柱203均设置在顶盘204上，两个限位柱203之间相互垂直，阀体101的上侧固定连接有挡杆103，挡杆103设置在两个限位柱203之间，进而当蝶板201和转轴202转动时，带动顶盘204和两个限位柱203转动，当其中一个限位柱203与挡杆103接触后，顶盘204随即无法转动，进而使得顶盘204仅仅可以在一个九十度角的范围内转动，进而使得转轴202和蝶板201仅仅可以在一个九十度角的范围内转动，更加方便控制蝶板201的开闭，防止蝶板201关闭时转动过大。
如图1-9所示，这个例子解决了精细控制蝶板201的转动的问题，
由于防腐蚀蝶阀还包括蜗轮205，转轴202的中部固定连接有蜗轮205，通过蜗轮205精细控制转轴202的转动，进而精细控制蝶板201的转动。
如图1-9所示，这个例子解决了防止蝶板201受到水的冲击后随意转动的问题，
由于防腐蚀蝶阀还包括支架401、蜗杆402和手轮403，支架401的上侧固定连接有支架401，支架401上转动连接有蜗杆402，蜗轮205与蜗杆402啮合传动，手轮403设置在蜗杆402上，进而通过手轮403即可控制蜗轮205转动，进而控制转轴202的转动，进而精细控制蝶板201的转动，并且蜗杆402和蜗轮205之间可以自锁，防止蝶板201受到水的冲击后随意转动。
如图1-9所示，这个例子解决了防止阀门内的液体内有杂物的问题，
由于防腐蚀蝶阀还包括半圆框301，两个半圆框301分别设置在蝶板201的左右两侧，两个半圆框301上均可以绑定筛网，进而当蝶板201打开时，两个半圆框301以及绑定的筛网面向阀门内的液体，进而防止阀门内的液体内有杂物，将杂物滤出。
如图1-9所示，这个例子解决了将筛网固定连接在半圆框301上的问题，
由于防腐蚀蝶阀还包括挂钩302、插针303和压条304，半圆框301外侧的弧形面上设置有多个挂钩302，多个插针303均设置在半圆框301的内侧，压条304插在多个插针303上，多个插针303的外端均设置有挡圈，筛网的一侧可以挂在多个挂钩302上，筛网的另一侧插在多个插针303上，然后将压条304安装在多个插针303上，进而将筛网的另一侧压紧，进而将筛网固定连接在半圆框301上。
如图1-9所示，这个例子解决了使得蝶板201转动至封闭状态时转动到位的问题，
由于防腐蚀蝶阀还包括门形框501和压爪502，阀体101内设置有门形框501，两个压爪502均滑动连接在门形框501，当蝶板201关闭时，将两个压爪502压在蝶板201的一侧，进而第一防止蝶板201随意转动，第二使得蝶板201转动至封闭状态时转动到位。
如图1-9所示，这个例子解决了防止液体从滑孔105处泄露的问题，
防腐蚀蝶阀还包括滑孔105、拨杆503、压座504和橡胶条505，滑孔105设置在阀体101的下侧，两个压爪502的左部均固定连接在拨杆503上，拨杆503穿过滑孔105，拨杆503的中部设置有压座504，压座504的下侧设置有橡胶条505，橡胶条505压在阀体101内侧的滑孔105处，进而通过拨杆503在滑孔105上左右移动即可控制两个压爪502左右移动，拨杆503左右移动时会带动压座504和橡胶条505左右移动，这时橡胶条505始终挡在滑孔105处，防止液体从滑孔105处泄露。
所述防腐蚀蝶阀还包括凸条106、插孔107、圆杆108和插柱109，阀体101的下侧固定连接有凸条106，凸条106上固定连接有圆杆108，圆杆108滑动连接在拨杆503的下侧，圆杆108上套接有压缩弹簧，压缩弹簧设置在凸条106与拨杆503之间，圆杆108的左部设置有插孔107，插柱109能够插入插孔107。
如图1-9所示，这个例子解决了使得拨杆503带动两个压爪502压在蝶板201上的问题，
圆杆108上的压缩弹簧给拨杆503向右的力，使得拨杆503带动两个压爪502压在蝶板201上，如果不需要将两个压爪502压在蝶板201上，手动拨动拨杆503向左移动，将插柱109插入插孔107，通过插柱109将拨杆503挡住即可，这时两个压爪502即可远离蝶板201。
所述防腐蚀蝶阀还包括连接柱506和刮环507，刮环507通过连接柱506连接在拨杆503的上部，刮环507滑动连接在阀体101的内壁上。
如图1-9所示，这个例子解决了防止阀体101的内壁发生腐蚀的问题，
拨杆503左右移动时可以带动连接柱506和刮环507左右移动，刮环507可以在阀体101的内壁上刮动，进而对阀体101的内壁进行清接，防止阀体101的内壁发生腐蚀。
所述防腐蚀蝶阀还包括中轴601、挡头602和缓冲盘603，中轴601固定连接在拨杆503的左侧，缓冲盘603的中心滑动连接在中轴601上，中轴601的左端固定连接有挡头602，中轴601上套接有缓冲弹簧，缓冲弹簧设置在拨杆503和缓冲盘603之间。
如图1-9所示，这个例子解决了减轻阀门内部液体对蝶板201的冲击的问题，
中轴601上的缓冲弹簧给缓冲盘603向左的力，当液体冲向缓冲盘603时，带动缓冲盘603沿着中轴601向右移动，进而缓冲弹簧对缓冲盘603受到的冲击进行缓冲，进而减轻阀门内部液体对蝶板201的冲击。

Claims (1)

1.一种防腐蚀蝶阀，包括蝶板(201)、转轴(202)、转动部(206)和密封圈(207)，其特征在于：所述蝶板(201)的上部设置有转轴(202)，转轴(202)上设置有转动部(206)，转动部(206)上设置有多个密封圈(207)；
还包括阀体(101)和密封环(104)，密封环(104)设置在阀体(101)内，蝶板(201)的外圈与密封环(104)相接触；
还包括圆筒(102)，圆筒(102)设置在阀体(101)上侧，转动部(206)转动连接在圆筒(102)上；
还包括挡杆(103)、限位柱(203)和顶盘(204)，顶盘(204)设置在转轴(202)的上端，顶盘(204)上设置有两个限位柱(203)，两个限位柱(203)之间垂直，挡杆(103)固定在阀体(101)的上侧，挡杆(103)位于两个限位柱(203)之间；
还包括蜗轮(205)，蜗轮(205)固定连接在转轴(202)的中部；
还包括支架(401)、蜗杆(402)和手轮(403)，支架(401)固定连接在支架(401)的上侧，蜗杆(402)转动连接在支架(401)上，蜗杆(402)与蜗轮(205)啮合传动，蜗杆(402)上设置有手轮(403)；
还包括半圆框(301)，半圆框(301)设置有两个，两个半圆框(301)分别设置在蝶板(201)的左右两侧；
还包括挂钩(302)、插针(303)和压条(304)，多个挂钩(302)设置在半圆框(301)外侧的弧形面上，半圆框(301)的内侧设置有多个插针(303)，压条(304)插在多个插针(303)上，多个插针(303)的外端均设置有挡圈；
还包括门形框(501)和压爪(502)，门形框(501)设置在阀体(101)内，门形框(501)上滑动连接有两个压爪(502)，两个压爪(502)均能够压在蝶板(201)的一侧；
还包括滑孔(105)、拨杆(503)、压座(504)和橡胶条(505)，阀体(101)的下侧设置有滑孔(105)，两个压爪(502)的左部均固定连接在拨杆(503)上，拨杆(503)穿过滑孔(105)，拨杆(503)的中部设置有压座(504)，压座(504)的下侧设置有橡胶条(505)，橡胶条(505)压在阀体(101)内侧的滑孔(105)处。
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