CN103477039A - 用于切换阀的密封件 - Google Patents

用于切换阀的密封件 Download PDF

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CN103477039A
CN103477039A CN2012800186122A CN201280018612A CN103477039A CN 103477039 A CN103477039 A CN 103477039A CN 2012800186122 A CN2012800186122 A CN 2012800186122A CN 201280018612 A CN201280018612 A CN 201280018612A CN 103477039 A CN103477039 A CN 103477039A
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sealing
switching valve
valve
face
housing parts
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CN103477039B (zh
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卡林·彼德鲁·伊托阿弗
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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
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • F01L9/14—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Multiple-Way Valves (AREA)

Abstract

一种用于液压单元的切换阀、尤其是用于活塞式内燃机的可变液压气门机构的液压单元的快速切换阀（1），所述切换阀具有阀体（3），所述阀体以能沿轴向移动的方式在壳体部分（2）中被引导并且利用密封件相对于所述壳体部分密闭，其中，所述密封件被设计成面式密封件（10），所述面式密封件密封地环绕所述阀体并且密封地与所述壳体部分的轴向面（9）作用连接。

Description

用于切换阀的密封件
技术领域
一种用于液压单元的切换阀、尤其是用于活塞式内燃机的可变液压气门机构的液压单元的快速切换阀，所述切换阀具有阀体，所述阀体以可沿轴向移动的方式在壳体部分中被引导并且利用密封件相对于所述壳体部分密闭。
背景技术
由DE102009011983A1公知一种具有这种类型的切换阀的液压单元。对于这种类型的所谓的压力平衡的切换阀通常公知的是，在壳体部分中开设凹槽，把密封环置入该凹槽中，密封环相对于阀体承载密封。不同类型和外形的密封环由位于雷根斯堡（区号93055）的
Figure BDA0000396006070000011
Vertriebs GmbH公司2010年的目录公知。
尤其是对于在其之中以较高频率触发切换阀的液压单元存在有如下问题：刚性插入凹槽的密封环要么具有较高的摩擦并且阻碍阀体的运动、要么另一方面无法持久确保密封性。
发明内容
因而本发明任务在于提供一种具有密封件的切换阀，所述切换阀避免了上述缺点并且在高切换频率情况下也确保持久密闭。这应当以简单廉价的方法实施。
本发明任务以如下方式解决：密封件被设计成面式密封件，该面式密封件密封地环绕阀体，并且与壳体部分的轴向面、并且尤其是与壳体部分的端面密封地作用连接（Wirkverbindung）。
在此，面式密封件与阀体同心，并且相应地径向安置在壳体部分的轴向面上。换句话说也就是，面式密封件径向浮动地布置在壳体部分的轴向端面上，由此确保轴向面与壳体部分之间的有效且低摩擦的密闭。
面式密封件优选由弹性密封材料制成，尤其是由弹性体材料、含氟塑料或类似材料制成。因为这些材料组包含大量单独弹性体或单独含氟塑料，所以易于选择与工作温度、机油类型和摩擦系数相匹配的相应材料。
按照有利方式，面式密封件具有呈盘形的金属基体，该金属基体至少部分地由弹性材料包裹。在此，弹性材料再次从弹性体材料组或含氟塑料组或类似组别中选择，其中，弹性材料至少部分地设置在且紧固在基体上。
按照有利方式，所述包裹施加在呈盘形的基体的朝向阀体的内部区域上、并且至少部分地施加在呈盘形的基体的朝向轴向面的侧上。
这种类型的面式密封件优选适用于如下切换阀，在所述切换阀中阀体具有布置在壳体部分外面的密封面，该密封面与座圈上的配对面构成阀座、优选构成圆锥形阀座，其中，面式密封件布置在壳体部分的端面上。在此，面式密封件优选由支承在座圈上的弹簧加载，该弹簧挤压面式密封件抵靠端面，其中，弹簧支承在面式密封件的背离具有弹性材料的包裹的侧上。在此，面式密封件密封地保持在端面上，并且通过弹簧仅以如下程度牢固地压紧，即，虽然得到密封性但仍具有径向的灵活性。
因为通过打开和闭合以及阀座上的密封性而得到切换阀的功能，所以为了避免双重配合以如下程度选择阀体在壳体部分中的滑配合：在阀座上一直有密封。在此，所建议的面式密封件被相应地径向安置在所述位置中。此外，在面式密封件的端面上的密封面沿阀体轴向观察也相对比较小，从而阀体在壳体部分中的倾斜对密封功能而言也是没有影响的。
附图说明
为了进一步说明本发明而参引附图，在这些附图中简要示出了本发明实施例。其中：
图1是具有面式密封件的剖面图的切换阀的纵剖图；
图2以明显放大的比例示出面式密封件的剖面图。
具体实施方式
在图1和图2中大体上以细节图示出基本以1标识的快速切换阀，其具有壳体部分2，在该壳体部分中阀体3以可轴向移动的方式被引导，该阀体一方面支承在压缩弹簧4上，并且另一方面由未详细示出的控制件5操控。阀体3基本上以杯形形状构造并且在其环形端部具有密封面6，该密封面与配对面7配属，其中，配对面7是座圈8的构件，座圈8同样固定在快速切换阀1上。壳体部分2具有朝向座圈8的轴向端面9，基本以10标识的面式密封件贴靠在该端面上，支承在座圈8上的弹簧11挤压该面式密封件抵靠端面9。在此，弹簧力以如下方式调整，即，一方面确保面式密封件10与端面9之间密封性，然而另一方面不能大到面式密封件10无法径向安置在端面9上。面式密封件10具有基体12，该基体以盘形形状构造并且由金属制成。基体12在其内部区域和侧面由弹性材料13环绕，弹性材料13优选从弹性体材料组或含氟塑料的组中选择并且在基体12上注塑成形或者硫化成形。
由此，面式密封件10在其朝向阀体3的内侧具有一半径，因为实施成圆形，所以在阀体3的外壁上得到优化的密闭，这种优化的密封也不易卷边。
面式密封件10可以相应于实施成圆锥形密封面6和与圆锥形相符的配对面7地径向安置在端面9上，从而得到优化的密封。
附图标记列表
1   快速切换阀
2   壳体部分
3   阀体
4   压缩弹簧
5   控制件
6   密封面
7   配对面
8   座圈
9   轴向面/端面
10  面式密封件
11  弹簧
12  基体
13  弹性材料

Claims (7)

1.一种用于液压单元的切换阀、尤其是用于活塞式内燃机的可变液压气门机构的液压单元的快速切换阀（1），所述切换阀具有阀体（3），所述阀体以可沿轴向移动的方式在壳体部分（2）中被引导并且利用密封件相对于所述壳体部分（2）密闭，其特征在于，所述密封件被设计成面式密封件（10），所述面式密封件环绕所述阀体（3）并且密封地与所述壳体部分（2）的轴向面（9）作用连接。
2.根据权利要求1所述的切换阀，其特征在于，所述面式密封件（10）布置在所述壳体部分（2）的端面（9）上。
3.根据前述权利要求之一所述的切换阀，其特征在于，所述面式密封件（10）由弹性材料（13）制成，尤其是由弹性体材料、含氟塑料或类似材料制成。
4.根据前述权利要求之一所述的切换阀，其特征在于，所述面式密封件（10）具有呈盘形的金属基体（12），所述基体至少部分地由所述弹性材料（13）包裹。
5.根据前述权利要求之一所述的切换阀，其特征在于，所述包裹施加在所述呈盘形的基体（12）的朝向所述阀体（3）的内部区域上、并且至少部分地施加在所述呈盘形的基体的朝向所述轴向面的侧上。
6.根据前述权利要求之一所述的切换阀，其特征在于，所述阀体（3）具有布置在所述壳体部分（2）外面的密封面（6），所述密封面与座圈（8）上的配对面（7）构成阀座。
7.根据前述权利要求之一所述的切换阀，其特征在于，在所述面式密封件（10）与所述座圈（8）之间布置弹簧（11），所述弹簧在朝向所述端面（9）的方向上给所述面式密封件（10）加载。
CN201280018612.2A 2011-05-02 2012-02-03 用于切换阀的密封件 Expired - Fee Related CN103477039B (zh)

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PCT/EP2012/051867 WO2012150048A1 (de) 2011-05-02 2012-02-03 Dichtung für schaltventile

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446408A1 (de) * 1984-12-20 1986-07-10 Günther 7307 Aichwald Hahn Blockierbare gasfeder
US5315961A (en) * 1990-08-31 1994-05-31 Dr. Ing. H.C.F. Porsche Ag Hydraulic valve tappet for an internal-combustion engine
JP2006132660A (ja) * 2004-11-05 2006-05-25 Sakagami Seisakusho Ltd ピストン形シリンダの密封装置
US20060261301A1 (en) * 2005-05-06 2006-11-23 Continental Teves Ag & Co. Ohg Electromagnetic valve
WO2009007207A1 (de) * 2007-07-10 2009-01-15 Schaeffler Kg Verfahren zur ansteuerung eines elektromagnetischen schaltventils
CN201277363Y (zh) * 2008-10-27 2009-07-22 温州市展诚阀门有限公司 快速切换阀门
CN101815849A (zh) * 2007-10-03 2010-08-25 丰田自动车株式会社 密封型间隙调节器以及第一和第二部件间的密封构造
EP2226477A1 (de) * 2009-03-05 2010-09-08 Schaeffler Technologies AG & Co. KG Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
CN201687782U (zh) * 2009-12-11 2010-12-29 南京理工大学 先导式双喷嘴切换控制阀

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Publication number Priority date Publication date Assignee Title
AU9038401A (en) 2000-09-22 2002-04-02 Methven Ltd Relief valve
US20090007207A1 (en) 2007-06-29 2009-01-01 Broadcom Corporation Hardware-implemented handling of back-to-back and parallel time slices in a video broadcasting receiver
ATE442516T1 (de) 2007-07-20 2009-09-15 Fiat Ricerche System und verfahren zu steuerung eines magnetventils, im besonderen für ein system zur variablen betätigung der ventile eines verbrennungsmotors gemäb mehrfachhubmodus
DE102008048514A1 (de) 2008-09-23 2010-03-25 Schaeffler Kg Elektromagnetventil

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446408A1 (de) * 1984-12-20 1986-07-10 Günther 7307 Aichwald Hahn Blockierbare gasfeder
US5315961A (en) * 1990-08-31 1994-05-31 Dr. Ing. H.C.F. Porsche Ag Hydraulic valve tappet for an internal-combustion engine
JP2006132660A (ja) * 2004-11-05 2006-05-25 Sakagami Seisakusho Ltd ピストン形シリンダの密封装置
US20060261301A1 (en) * 2005-05-06 2006-11-23 Continental Teves Ag & Co. Ohg Electromagnetic valve
WO2009007207A1 (de) * 2007-07-10 2009-01-15 Schaeffler Kg Verfahren zur ansteuerung eines elektromagnetischen schaltventils
CN101815849A (zh) * 2007-10-03 2010-08-25 丰田自动车株式会社 密封型间隙调节器以及第一和第二部件间的密封构造
CN201277363Y (zh) * 2008-10-27 2009-07-22 温州市展诚阀门有限公司 快速切换阀门
EP2226477A1 (de) * 2009-03-05 2010-09-08 Schaeffler Technologies AG & Co. KG Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
CN201687782U (zh) * 2009-12-11 2010-12-29 南京理工大学 先导式双喷嘴切换控制阀

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DE102011075043B4 (de) 2023-04-13
DE102011075043A1 (de) 2012-11-08
US9004032B2 (en) 2015-04-14
WO2012150048A1 (de) 2012-11-08
CN103477039B (zh) 2016-06-15
US20140041609A1 (en) 2014-02-13

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