CN103422926A - 液压装置的控制阀 - Google Patents

液压装置的控制阀 Download PDF

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CN103422926A
CN103422926A CN2013101900775A CN201310190077A CN103422926A CN 103422926 A CN103422926 A CN 103422926A CN 2013101900775 A CN2013101900775 A CN 2013101900775A CN 201310190077 A CN201310190077 A CN 201310190077A CN 103422926 A CN103422926 A CN 103422926A
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CN103422926B (zh
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大卫·克勒
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Fifth Schaeffler Investment Management & CoKg GmbH
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Schaeffler Technologies AG and Co KG
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • F01L2001/34433—Location oil control valves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Driven Valves (AREA)
  • Valve Housings (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

用于装置，尤其是用于可变调节内燃机换气阀的控制时间的液压控制装置的控制阀，其具有壳体构件、控制活塞（2）和保险环（3），其中，控制活塞（2）一侧由弹簧加载，而另一侧借助保险环（3）限制地且可移动地支承，其中，保险环（3）沿径向凸出于控制活塞（2）并且能够沿轴向固定在壳体构件上的凹口中，并且其中，在控制活塞（3）与壳体构件之间设置有控制套筒（4）和环绕该控制套筒的塑料套管（5），并且保险环（3）除了可固定在壳体构件上之外还能够沿轴向固定在塑料套管（5）上并限制控制活塞（2）和/或控制套筒（4）的移动。

Description

液压装置的控制阀
技术领域
用于装置，尤其是用于可变调节内燃机换气阀的控制时间的液压控制装置的控制阀，其具有壳体构件、控制活塞和保险环，其中，控制活塞一侧由弹簧加载，而另一侧借助保险环限制地且可移动地支承，并且其中，保险环沿径向凸出于控制活塞并且能够沿轴向固定在壳体构件上的凹口中。
背景技术
由DE102008030057A1公知有一种相应的控制阀。在该控制阀中，壳体构件构造为空心螺栓并且以其端部通过螺纹连接固定在冲程活塞式内燃机的凸轮轴中。壳体构件具有用于由内燃机输送的液压压力介质的、用于可变调节换气阀控制时间的控制管路的以及用于排出的相应的开口或者说孔。控制活塞在壳体构件中被引导，该控制活塞一侧由弹簧加载，而另一侧借助保险环被限制在壳体构件中。通过控制活塞在壳体构件中的相应的轴向移动来加载该装置并且进而可变地调节控制时间。
如果现在出于检查和维修目的松开保险环并且取下控制活塞，那么可能会不受控地进入内燃机内部空间中的部件从壳体构件出来，这导致相当大的困难。当取下空心螺栓时也会出现相应情况，这是因为用于调节控制时间的装置（凸轮调节装置）被拆卸，这同样导致较高的装配成本。
发明内容
本发明的任务是克服之前所描述的缺点并且改进控制阀，以便可以在不会释放部件的情况下，拆卸和装配控制阀结构单元。改进应当利用简单且廉价的装置来进行。
本发明的任务通过如下方法来解决，即，在控制活塞与壳体构件之间设置控制套筒和环绕该控制套筒的塑料套管，并且保险环除了可固定在壳体构件上之外还能够沿轴向固定在塑料套管和/或控制套筒上并限制控制活塞相对于控制套筒和/或塑料套管的移动。
塑料套管优选与控制套筒相连或者固定在其上，例如通过包封注塑过程固定在控制套筒上。
通过这种设计方式，控制阀的主要构件通过保险环固定在塑料套管上，从而该组件可以作为单元来装配和拆卸。由此即使在该组件受损情况下，更换完整的单元就足够了。壳体构件可以装配好地保持并且由此不一定非要重新调节控制时间。由此可以取消构造为空心螺栓的阀壳体，并且组件可以直接装配到任意设计的壳体构件，例如凸轮轴端部中。
在本发明另一设计方式中提出，塑料套管具有纵向连接片，它们与壳体构件中的凹口对应。由此确保，在装配时可以再次扭转准确地***结构单元中。
保险环在弧形连接区域中具有向内取向的***部。此外，保险环还在***部内部区域中具有导入斜面。
塑料套管和/或控制套筒具有配合于保险环的凹槽部段并且在该凹槽部段的区域中具有配合于保险环***部的卡止凸鼻。卡止凸鼻和保险环上的导入斜面设在保险环的同一侧上。
基于之前提到的特征，保险环只能从一侧推入在塑料套管或者说注塑包封件中的凹槽或者说凹槽部段中。保险环不能从对置的侧推入，这是因为在那里设置有止挡部。因而确保了，保险环在推入之后以其凹口到达卡止凸鼻的后方，从而存在保险环的精确固定。在塑料套管上的止挡部在保险环压在一起时也防止保险环的过载。
导入斜面用于将保险环更容易地推入凹槽部段中，并且在此使卡止凸鼻弹性弯曲。导入斜面也防止剪断卡止凸鼻。导入斜面不仅可以与卡止凸鼻相邻或者也可以在装在保险环的两侧上。如果其只装在一侧，那么在装配时必须注意的是，导入斜面在推入时面对卡止凸鼻。
通过使保险环的配属于侧腿的端部的内部凸起部和/或配属于导入斜面的区域向内凸出于控制活塞的边缘，确保了控制活塞在控制套筒和塑料套管中得到可靠的轴向固定，用以将结构单元装配到壳体构件中以及将结构单元从壳体构件中拆卸下来。由此在拆卸期间也进行保险环在塑料套管和控制活塞上的定心。
如果该结构单元完整地推入壳体构件中，那么通过张紧和放松保险环以使保险环的边缘嵌接到凹口（优选是壳体构件上的内部凹槽）中来进行在壳体构件中的最终固定。
附图说明
参引在其中简化地示出本发明实施例的附图进一步阐释本发明。图中：
图1示出没有壳体构件的控制阀结构单元的透视图；
图2示出保险环的透视图；
图3示出塑料套管的透视图；以及
图4示出穿过控制活塞、控制套筒、塑料套管和保险环的局部纵剖图。
具体实施方式
在图1至图4中（除了细节图外）总体上以1标识出控制阀结构单元，其具有控制活塞2和保险环3。控制活塞2尤其如图4所示布置在控制套筒4中，该控制套筒4自身由塑料套管5环绕，该塑料套管5装配入未示出的壳体构件中。塑料套管5制造为包封控制套筒4的注塑包封件。塑料套管5具有纵向连接片6，它们确保配合准确地***壳体构件中。
尤其如图2可以看出的那样，保险环3在弧形连接区域中具有***部7，其向内取向。在***部7的内侧上加工出导入斜面8，其中，可以附加地在与保险环3的横截面对置的一侧上加工出另一导入斜面。塑料套管5具有凹槽部段9，卡止凸鼻10伸入凹槽部段9中。在凹槽部段9的对置的侧上，在塑料套管5上装有止挡部11，其防止保险环3可能从相反的侧被推入塑料套管5中。
附图标记列表
1控制阀结构单元
2控制活塞
3保险环
4控制套筒
5塑料套管
6纵向连接片
7***部
8导入斜面
9凹槽部段
10卡止凸鼻
11止挡部

Claims (9)

1.一种用于装置，尤其是用于可变地调节内燃机换气阀的控制时间的液压控制装置的控制阀，其具有壳体构件、控制活塞（2）和保险环（3），其中，所述控制活塞（2）一侧由弹簧加载，而另一侧借助所述保险环（3）限制地且能移动地支承，并且其中，所述保险环（3）沿径向凸出于所述控制活塞（2）并且能沿轴向固定在所述壳体构件上的凹口中，其特征在于，在所述控制活塞（3）与所述壳体构件之间设置有控制套筒（4）和环绕所述控制套筒的塑料套管（5），并且所述保险环（3）除了能固定在所述壳体构件上之外还能沿轴向固定在所述塑料套管（5）和/或所述控制套筒（4）上并限制所述控制活塞（2）相对于所述控制套筒（4）和/或所述塑料套管（5）的移动。
2.根据权利要求1所述的控制阀，其特征在于，所述塑料套管（5）制造为注塑包封件并且与所述控制套筒（4）相连。
3.根据权利要求1或2所述的控制阀，其特征在于，所述塑料套管（5）具有纵向连接片（6），所述纵向连接片与在所述壳体构件中的凹口对应。
4.根据前述权利要求之一所述的控制阀，其特征在于，所述保险环（3）在弧形连接区域中具有***部（7）。
5.根据前述权利要求之一所述的控制阀，其特征在于，所述保险环（3）在与所述***部（7）对置的内部区域上具有导入斜面（8）。
6.根据前述权利要求之一所述的控制阀，其特征在于，所述塑料套管（5）具有配合于所述保险环（3）的凹槽部段（9）。
7.根据前述权利要求之一所述的控制阀，其特征在于，所述塑料套管（5）在所述凹槽部段（9）的区域中具有配合于所述保险环（3）的***部（7）的卡止凸鼻（10）。
8.根据前述权利要求之一所述的控制阀，其特征在于，所述塑料套管（5）在与所述卡止凸鼻（10）大致对置的区域上具有止挡部（11）。
9.根据前述权利要求之一所述的控制阀，其特征在于，所述保险环（3）的配属于侧腿的端部的内部凸起部和/或与所述***部（7）对置的区域向内凸出于所述控制活塞（2）的边缘。
CN201310190077.5A 2012-05-23 2013-05-21 液压装置的控制阀 Expired - Fee Related CN103422926B (zh)

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DE102012208591.2 2012-05-23
DE102012208591.2A DE102012208591B4 (de) 2012-05-23 2012-05-23 Steuerventil für eine hydraulische Steuervorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen an Brennkraftmaschinen

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DE102015219154A1 (de) 2015-10-05 2017-04-06 Schaeffler Technologies AG & Co. KG Steuerventil für eine hydraulische Vorrichtung
DE102016200788A1 (de) 2016-01-21 2017-07-27 Schaeffler Technologies AG & Co. KG Steuerventil für eine hydraulische Vorrichtung
DE102018115343A1 (de) * 2018-06-26 2020-01-02 Schaeffler Technologies AG & Co. KG Steuerventil mit Dichtkontur auf einem hülsenförmigen Hydraulikleitelement; sowie Bausatz mit Steuerventil und Nockenwellenversteller
US20200269379A1 (en) * 2019-02-22 2020-08-27 Borgwarner Inc. Centerless grinding through the application of a helical twist to axial grooves
JP7074102B2 (ja) 2019-03-25 2022-05-24 株式会社デンソー 作動油制御弁およびバルブタイミング調整装置
DE102020003430A1 (de) 2020-06-08 2021-12-09 Daimler Ag Rückschlagventil für einen Nockenwellenversteller

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DE102005052481A1 (de) * 2005-11-03 2007-05-24 Schaeffler Kg Steuerventil für eine Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine
DE102008004591A1 (de) 2008-01-16 2009-07-23 Schaeffler Kg Hydraulisches Steuerventil mit integriertem Rückschlagventil
DE102008006179A1 (de) * 2008-01-26 2009-07-30 Schaeffler Kg Steuerventil für eine Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen in Brennkraftmaschinen
DE102008030057B4 (de) 2008-06-27 2018-01-25 Hilite Germany Gmbh Nockenwellenverstelleinrichtung
DE102009039384A1 (de) * 2009-08-29 2011-03-03 Schaeffler Technologies Gmbh & Co. Kg Steuerventil

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US20130312678A1 (en) 2013-11-28
BR102013012326A8 (pt) 2016-02-10
MX2013005447A (es) 2013-11-22
DE102012208591B4 (de) 2018-06-07
US9206714B2 (en) 2015-12-08
MX339140B (es) 2016-05-13
DE102012208591A1 (de) 2013-11-28
BR102013012326A2 (pt) 2015-06-02

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