CN102695869B - 阀舌门装置 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1035—Details of the valve housing
- F02D9/104—Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the housing
- F02D9/1045—Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the housing for sealing of the flow in closed flap position, e.g. the housing forming a valve seat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1005—Details of the flap
- F02D9/102—Details of the flap the flap having movable parts fixed onto it
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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
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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
- F16K1/20—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 arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
- F16K1/2057—Special features or arrangements of the sealing the sealing being arranged on the valve seat
- F16K1/2071—Special features or arrangements of the sealing the sealing being arranged on the valve seat and being forced into sealing contact with the valve member by a spring or a spring-like member
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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
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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
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
- F16K1/2266—Shaping or arrangements of the sealing the sealing being arranged on the valve seat and being forced into sealing contact with the valve member by a spring or a spring-like member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0402—Cleaning, repairing, or assembling
- Y10T137/0491—Valve or valve element assembling, disassembling, or replacing
- Y10T137/0525—Butterfly valve
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- Mechanical Engineering (AREA)
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
本发明涉及一种阀舌门装置,该阀舌门装置包括至少一个阀壳6,所述阀壳带有一个具有轴承面14和阀轴线10的轴1,该轴通过轴承面14以可在阀壳6内围绕阀轴线10转动的方式支承;此外阀舌门装置包括带有滑动轴承面40的轴承元件4,其中轴1通过轴承面14贴靠在滑动轴承面40上;而且包括设在阀壳6内的轴承壳体2,在该轴承壳体内轴承元件4至少支承在相对于阀轴线10的径向上,其中轴承元件4具有贴靠在轴承壳体2上的外表面41。轴1的支承也要对于气态介质有足够的密封,并同时确保精确而静定的支承。在此,轴承元件4设计为单独的部件,该部件关于围绕阀轴线10的圆周方向与轴承壳体2耦合为使得轴承元件4和轴承壳体2之间的相对位置在轴1旋转时不在圆周方向上发生改变。
Description
技术领域
本发明涉及一种阀舌门装置,该阀舌门装置包括至少一个阀壳和一个可绕阀轴线旋转的轴,所述轴具有用于在相对于阀轴线的径向上进行支承的轴承面以及用于在相对于阀轴线的轴向上进行支承的轴肩。此外,阀舌门装置包括一个在阀壳内支承所述轴的轴承元件,所述轴承元件具有对应于所述轴的轴承面的滑动轴承面以及对应于所述轴肩的支撑面,其中,轴承元件可在两个轴向上移动的方式支承在轴承壳体内。设有固定在阀壳上的轴承壳体,轴和轴承元件布置于其中,所述轴承壳体用于径向支承轴承元件。通过弹性元件将轴承元件相对于轴承壳体在轴向上预加载在轴肩上。
背景技术
在EP1887200A1中公开了一种阀装置,该阀装置具有用于流量控制的阀舌门。阀舌门可通过带有驱动轴的电驱动器控制。为此,阀轴通过扭簧与驱动轴相连。阀轴通过轴承支承在轴承壳体内。
在DE602004000705T2中描述了一种具有壳体和轴承套管的尾气导管阀,该阀在轴向和径向上均固定在壳体内。阀杆以可旋转的方式布置在轴承套管内。在阀杆上布置有阀舌门。
在DE4305123A1中描述了一种支承在轴承套管内的节流阀轴,所述轴承套管在弹性力的作用下向壳体的轴向壁加载。轴承套管以可在壳体凹腔内径向移动的方式通过轴承匹配或轴承套管的径向移动补偿在止挡面和节流阀轴轴承或孔之间的尺寸偏差。
DE102004032845作为最接近的现有技术描述了一种形成类型的阀舌门,所述阀舌门以被三重地支承在阀壳内的方式预加载,且其中,对轴的支承在阀壳内在轴向上是可动的,以补偿阀舌门在轴向上的热运动。在此规定,轴在轴承壳体内通过两个轴承体,即一个轴承环和一个套筒支承,其中,两个轴承体与轴承壳体内的轴一起旋转。为此,形成相应的滑动副或在轴承体和轴承壳体之间形成至少一个较小的摩擦。
发明内容
本发明所要解决的技术问题在于,构造并设置这样一种阀舌门装置,使得对轴的支承对于气密介质也是充分密封的,并且同时确保了支承的简便。
根据本发明如下地解决这一技术问题:将轴承元件设计为单独的部件,该部件关于围绕阀轴线的圆周方向与轴承壳体2耦合为使得轴承元件和轴承壳体之间的相对位置在轴旋转时不在围绕阀轴线的圆周方向上发生改变。
由此使得仅轴在轴承元件内旋转,而轴承元件可以相对于轴承壳体紧密地连接并密封,因为无论在冷、热运行状态下都不考虑轴承元件和轴承壳体之间在相对于阀轴线的圆周方向上的相对运动。这种构造方式使得预定的支承并因此使得简单的计算和简单的部件确定能够得以实现。此外,可以通过轴承元件在轴承壳体上的固定确保关于摩擦副精确的支承,因为仅可能有轴和轴承元件之间的相对运动。避免了轴承元件在轴承壳体内不受控制的转动。在此规定,轴仅由线性密封地贴靠在轴上的轴承元件支承。
关于密封性有利的是,轴承元件在平行于阀轴线的方向上贴靠在轴肩上,因为在此除了轴在径向上支承在轴承元件上之外,还形成了第二支承面并因此形成为轴和轴承元件之间的其它的密封面。
为此有利的是,弹性元件作用在轴承元件和轴承壳体之间,并且轴承元件可在阀壳内在阀轴线的方向上运动,并通过弹性元件平行于阀轴线在轴肩的方向上预加载。
通过使轴承元件在轴向上预加载地移动的可能性,使得在所有可能的温度范围下都给予轴尽可能恒定的轴向支承力。
设有可绕阀轴线枢转的阀舌门,所述阀舌门在轴向和径向上通过阀壳内的轴承销支承,其中,轴承销间接地通过阀舌门、而轴通过弹性元件在轴向上预加载。除了阀舌门在阀壳内非常简单的支承之外,确保了阀舌门和其它部件在运行时都不会翻转或摇晃。阀舌门在此形成自支承的元件。
为了驱动轴和固定阀舌门,可以有利地规定,轴的第一段形成用于固定阀舌门的支座,且在阀轴线上位置相对的第二端设有用于连接阀舌门的驱动装置的容纳部或阀舌门盘。在两端之间在轴的中间区域设有轴承面。
在根据本发明的结构和布置下有利的是,轴的容纳部布置有弹性件,其中弹性件将轴与驱动装置的驱动轴以围绕阀轴线弹性扭转的方式相连并且弹性件将轴在阀轴线的方向上相对于驱动轴脱耦,容纳部这样地构造为槽形并布置在相对于阀轴线的径向上,使得弹性件的杆形区域由于弹性件在阀轴线的方向上的预加载而无间隙地且型面配合地在与阀轴线成直角的方向上贴靠在所述槽上。轴总是由弹性元件或碟形弹簧叠片在轴向上、也就是在平行于阀轴线的方向上预加载。因此对于功能有利的是,弹性件在轴向上也相对于轴预加载,从而使阀舌门能够被无间隙地贴靠并因此无间隙地控制。
为此有利的是,槽具有两个关于槽轴线相对置的槽面,其中,各个槽面布置为相对于阀轴线的法线成一个大于45度且小于90度的角。因此,弹性件和轴之间单独由弹性件的力作用的夹紧得以实现。在此,并不需要弹性件在轴上的另外的机械固定。
关于在圆周方向上的型面配合有利的是,轴承壳体内侧的至少一部分与轴承元件的外表面的至少一部分具有几何上相似的截面形状,所述截面形状关于阀轴线并不旋转对称并且平行于阀轴线地定向,使得两个主体的相对扭转能够由于轴承壳体和轴承元件的不同形状而得以避免。
为此有利的是,在轴承元件的外表面上设置至少一个在轴向上延伸的隆起,并且在轴承壳体内侧布置至少一个容纳该隆起并沿轴向延伸的槽,其中,所述隆起在槽中形成型面配合的抗扭固定。
可选的是,轴承元件的外表面具有至少一个与阀轴线平行布置的平的区域,而轴承壳体具有至少一个与阀轴线平行布置的平的部段,且所述区域和部段可相互贴靠,其中,因此形成了型面配合的抗扭固定。
特别有利的是,所述外表面在一个与阀轴线成直角的平面内具有四边形截面,其中四个角区域分别具有在0.5mm至50mm之间的外径R。这种对称的形状便于制造并保证了充分的型面配合。
关于密封优选的是,轴承壳体具有壳孔,轴穿过所述壳孔,其中,在壳孔处设有凸缘,并且设计为碟形弹簧的弹性元件紧密地贴靠在该凸缘上。对于简化构造有利的是,使该凸缘具有向内指向隆起并且弹性元件在平行于阀轴线的方向上贴靠在该隆起上。由此能够将碟形弹簧叠片用作弹性元件,该弹性元件保证了预加载并同时通过各碟形弹簧的迷宫式结构保证了轴在轴承壳体内的附加密封。
根据本发明的基本原理规定了轴的双重支承,在此轴仅单重地通过轴承元件在径向上支承在轴承壳体内并直接或间接地仅单重地在径向上支承在阀壳体内。轴承元件由用于滑动轴承的陶瓷或金属合金形成。
对于密封性有利的是,轴承壳体紧固且材料结合地与阀壳体相连接,或轴承壳体一体式且材料相同地与阀壳体相连接。
附图说明
本发明的其它优点和细节将在权利要求和说明书中详细解释并在附图中显示。在附图中:
图1示出了带有轴、阀轴线、壳体、轴承元件、弹性元件、阀舌门和阀壳体的阀舌门装置的平行于阀壳体的横截面视图;
图2示出了图1所示阀舌门装置沿与阀壳体成直角的横截面A-A`的视图;
图3示出了图1的局部放大图;
图4示出了轴承壳体的与阀轴线成直角的横截面;
图5示出了轴承元件的与阀轴线成直角的横截面;
图6以平行于阀轴线的横截面示出了具有V形容纳部的轴端部和弹性件的区域;
图7a示出了轴承销的透视图;
图7b以与阀轴线成直角的横截面示出了轴承销;
图8示出了按照图1、但没有阀壳体的分解透视图;
图9示出了图1所示的阀舌门装置,该装置带有驱动装置和用于将轴与驱动轴相连接的弹性件;
图10示出了通过桥形壳体和电机壳体补充的壳体和阀壳的视图;
图11示出了带有笔直区域的弹簧的透视图;
图12以平行于阀轴线的横截面示出了带有凹陷的阀壳体;
图13示出了带有用于型面配合的槽的轴承壳体的剖视图;
图14示出了带有用于型面配合的隆起的轴承元件的俯视图;
图15示出了如图13旋转90度的轴承壳体的剖视图;
图16示出了与轴承壳体同轴布置的如图14所示的轴承元件。
具体实施方式
图1示出了一种阀舌门装置,该阀舌门装置除了通过轴承元件4支撑在轴承壳体2内的轴1之外还包括带有轴承销3的阀舌门5和阀壳6。横截面平行于阀壳6延伸,也就是沿介质流动方向S延伸。
阀舌门5绕阀轴线10在一个直至90度的旋转区域内旋转,并在图1和图2中处于一个使阀壳6的管横截面近乎封闭的位置。图2示出了与阀壳6内的流动方向S成直角的按照图1的截面视图A-A`。
如图3所示,轴1围绕阀轴线10并在一端13具有用于阀舌门5的支座12。在阀轴线10方向上相对置的端部15处,轴设有用于在图6及图9中详细显示的弹簧9的容纳部16。容纳部16设计为V形的槽,并相应地具有两个槽面160,所述槽面平行于槽轴线161布置。
轴1在两个端部13、15之间具有在图8中详细显示的轴承面14,轴1通过所述轴承面以可在相对于阀轴线10的径向上转动的方式围绕阀轴线10支承。为进行支承,设有形式为滑动轴承套筒的单独的轴承元件4,所述轴承元件支承在轴承壳体2中并且轴1与滑动轴承面40整个周长都围绕在一起。
根据本发明的基本原理,相对于阀壳6提供用于阀舌门5的紧密的轴承装置,使得没有气态介质能够通过轴承壳体2上的支承逸出。为此,轴1相对于轴承元件4密封。对于密封,在轴承面14之外设置轴肩11,滑动轴承40和轴承元件4的支撑面42可以部分贴靠在所述轴肩上。为了轴承元件4相应密封地贴靠,轴承元件4通过设计为碟形弹簧叠片的弹性元件7在平行于阀轴线10的方向上与支撑面42一起向轴肩11挤压或预加载。这种预加载由轴1传递给阀舌门5并通过轴承销3传递给阀壳6。各传递部件的顺序在图8中以分解透视图示出。轴承元件4和轴承销3在此实现了承受关于阀轴线10的径向和轴向的两点支承。为此,如图1、9和12所示,阀壳6具有相对于基础直径61(图10)的凹槽60,所述轴承销3支承在所述凹槽中。
轴承壳体2具有凸缘20,碟形弹簧叠片7在轴向上,也即在平行于阀轴线10的方向上贴靠在该凸缘上。凸缘20相对于轴承壳体2的内径22缩窄并同时形成壳孔23,轴1通过该壳孔在图9中详细示出的驱动装置8的方向上导引。
碟形弹簧叠片7的各个碟形弹簧紧密地相互贴靠,并在轴承壳体2的内侧21上这样支承,使得即使在这里也提供了充分密封的部件附近区域。在碟形弹簧叠片7和轴1之间设有充分的轴承间隙,因此轴1和碟形弹簧叠片7或各个碟形弹簧元件7之间的摩擦得以避免。
为了能够保证轴承元件4所要求的预加载,轴承元件4以在轴向上可动的方式支承在轴承壳体2内。在径向上,轴承元件4以其滑动轴承面40贴靠在轴1上。在轴肩11的方向上,轴承元件4以其支撑面42贴靠在轴1上。不过为了实现预定的支承,轴承元件4在轴承壳体2内固定成防止了绕阀轴线10的旋转,使得在轴承元件4和轴承壳体2之间不能实现在圆周方向上的相对运动。
在图4和图5中,示出了一种优选实施形式,按照这种实施形式,轴承壳体2的内侧21以及轴承元件4的外表面41,关于阀轴线10非旋转对称地构造,其中,轴承元件4支承在所述内侧上而轴承元件4通过所述外表面支承在轴承壳体2内。因此,在轴承元件4和轴承壳体2之间在围绕阀轴线10的圆周方向上形成型面配合,所述型面配合阻止了轴承壳体2和轴承元件4之间的相对转动。
如图4和图5所示,对应的面21、41构造为近似四边形的。角区域211、411具有5mm的半径。在角区域211、411之间分别设有部段210或区域410,所述部段或区域笔直地或同样平行于阀轴线10地形成。
轴1关于围绕阀轴线10的旋转通过弹簧9与驱动装置8的驱动轴80相耦合,使得旋转运动从头驱动轴80通过弹簧9传递给轴1。在轴向上,轴1完全与驱动轴80脱耦。
在图13至16中示出了抗扭转装置的另一优选的实施形式。在此,轴承壳体2如图13和图15所示地具有两个相对的槽24,它们平行于阀轴线10引入阀壳体2的径向内表面。轴承元件4根据图14和图16具有两个相应的隆起43,它们成型在轴承元件4的外表面41上。轴承元件4在轴向上推入轴承壳体内,其中两个隆起43由两个槽24容纳。这种同样如图4和图5所示的相对于阀轴线10不对称的成型避免了在圆周方向上的扭转,其中,保证了轴承元件4在轴承壳体2内在阀轴线10方向上的运动。
阀舌门5所要求的无磨损且精确的控制根据本发明也关于弹簧9与两个轴1、80的连接而实现。为此,在轴1一端15的端侧设有V形容纳部16。类似的容纳部16也设在驱动轴80的端侧。两个关于槽轴线161对称布置的槽面160分别相对于关于阀轴线10的平行线倾斜(90-a)度的角度,并与阀轴线10的法线成一个角度a。在图11中示出的弹簧具有圆形的横截面轮廓并构造在90度的区域内。该区域90的长度大致大于轴1在容纳部16的范围内的直径,使得弹簧9可以以在容纳部16内的区域90布置。通过由弹簧9在轴向上的预加载施加的弹性力F,区域90挤压向容纳部的槽底,并与槽面160一起形成夹持连接。槽面160的倾斜角在2至4度之间。在槽底的宽度162小于弹簧9的横截面轮廓的直径并且深度163对应于弹簧9的横截面轮廓的直径的至少一半。
图7a和图7b示出了轴承销3。轴承销3基本上形成旋转对称的截锥,带有在三个侧面上环绕的槽30,在所述槽中支承阀舌门5,如图1、2和9所示。
图9示出了带有驱动装置的整个阀舌门装置。驱动装置8除了驱动轴80之外还包括在图10中详细表示的桥形壳体81,所述驱动轴通过弹簧9与轴1以可弹性扭转的方式相连,通过所述阀壳6与电机壳体82相连。电机壳体82向上与壳盖83相连,所述壳盖具有用于电流接头的容纳部830。桥形壳体81安装在图12中详细示出的阀壳6中。在阀壳6中设有用于支承销3的凹槽60。
Claims (9)
1.一种阀舌门装置,该阀舌门装置至少包括:
a)阀壳(6),
b)可绕阀轴线(10)旋转的轴(1),该轴具有用于在相对于阀轴线(10)的径向上进行支承的轴承面(14)以及用于在相对于阀轴线(10)的轴向上进行支承的轴肩(11),
c)在阀壳(6)内支承所述轴(1)的轴承元件(4),该轴承元件具有用于所述轴(1)的支承面(14)的滑动轴承面(40)以及用于轴肩(11)的支撑面(42),其中,轴承元件(4)以可在两个轴向方向上移动的方式支承在轴承壳体(2)内,
d)固定在阀壳(6)上的轴承壳体(2),所述轴承壳体内布置有轴(1)和轴承元件(4),用于径向支承轴承元件(4),
e)弹性元件(7),轴承元件(4)通过该弹性元件在轴向上相对于轴承壳体(2)预加载在轴肩(11)上,
其特征在于,
f)轴承元件(4)关于围绕阀轴线(10)的圆周方向与轴承壳体(2)以间接或直接地型面配合的方式耦合。
2.如权利要求1所述的阀舌门装置,其特征在于,在阀壳(6)内设有一个可围绕阀轴线(10)枢转的阀舌门(5),所述阀舌门在相对于阀轴线(10)的轴向和径向上由轴承销(3)支承在阀壳(6)内,其中,轴承销(3)间接地通过阀舌门(5)在轴向上预加载,而轴(1)则通过弹性元件(7)在轴向上预加载。
3.如权利要求1或2所述的阀舌门装置,其特征在于,轴承壳体(2)的内侧(21)的至少一部分和轴承元件(4)的外表面(41)的至少一部分具有在几何上相似的横截面形状,所述横截面形状关于阀轴线(10)非旋转对称且平行于阀轴线(10)地指向。
4.如权利要求1所述的阀舌门装置,其特征在于,在轴承元件(4)的外表面(41)上设有至少一个在轴向上延伸的隆起(43),而在轴承壳体(2)的内侧(21)上设置至少一个容纳所述隆起(43)并沿轴向延伸的槽(24),其中,所述隆起(43)在所述槽(24)中形成型面配合的抗扭固定。
5.如权利要求4所述的阀舌门装置,其特征在于,轴承元件(4)的外表面(41)具有至少一个平的且与阀轴线(10)平行布置的区域(410),而轴承壳体(2)的内侧(21)具有至少一个平的且与阀轴线(10)平行布置的部段(210),并且所述区域(410)可贴靠在所述部段(210)上,从而由此形成型面配合的抗扭转固定。
6.如权利要求1所述的阀舌门装置,其特征在于,轴承壳体(2)具有壳孔(23),轴(1)被引导穿过所述壳孔,其中,在壳孔(23)处设有凸缘(20)并且设计为碟形弹簧的弹性元件(7)紧密地贴靠在所述凸缘(20)上。
7.如权利要求2所述的阀舌门装置,其特征在于,轴(1)仅单重地通过一个所述支承元件(4)在径向上支承在轴承壳体(2)内,而阀舌门(5)则间接或直接地仅仅单重地在径向上支承在阀壳(6)内。
8.一种由如上述权利要求中任一项所述的阀舌门装置以及用于内燃机或机动车的尾气处理装置组成的系统。
9.一种用于将轴(1)围绕阀轴线(10)旋转支承在轴承壳体(2)内的方法,所述轴承壳体带有布置在轴(1)上的阀舌门(5),其中,轴(1)通过一个轴承元件(4)在径向上支承在轴承壳体(2)内,其特征在于,将滑动轴承套筒(4)用作轴承元件(4),且所述滑动轴承套筒(4)在阀轴线(10)的圆周方向上以间接或直接地与轴承壳体(2)型面配合的方式防止扭转地耦合,并同时滑动轴承套筒(4)在轴承壳体(2)内在阀轴线(10)的两个方向上移动,并通过弹性元件(7)预加载。
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DE102009052423A1 (de) | 2011-05-19 |
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