CN101918682A - 用于液压调整装置中的控制阀的压力介质引导插入件 - Google Patents

用于液压调整装置中的控制阀的压力介质引导插入件 Download PDF

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CN101918682A
CN101918682A CN2009801025215A CN200980102521A CN101918682A CN 101918682 A CN101918682 A CN 101918682A CN 2009801025215 A CN2009801025215 A CN 2009801025215A CN 200980102521 A CN200980102521 A CN 200980102521A CN 101918682 A CN101918682 A CN 101918682A
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pressure medium
guiding
plastics
inserting member
guiding sleeve
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CN101918682B (zh
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延斯·霍佩
斯特凡·科尼亚斯
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Fifth Schaeffler Investment Management & CoKg GmbH
Schaeffler Technologies AG and Co KG
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/46Component parts, details, or accessories, not provided for in preceding subgroups
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • F01L1/3442Valve-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
    • F01L2001/34423Details relating to the hydraulic feeding circuit
    • F01L2001/34426Oil control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • F01L1/3442Valve-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
    • F01L2001/34423Details relating to the hydraulic feeding circuit
    • F01L2001/34426Oil control valves
    • F01L2001/3443Solenoid driven oil control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • F01L1/3442Valve-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
    • F01L2001/34423Details relating to the hydraulic feeding circuit
    • F01L2001/34436Features or method for avoiding malfunction due to foreign matters in oil
    • F01L2001/3444Oil filters

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Multiple-Way Valves (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

本发明涉及一种用于液压调整装置中的控制阀(15)的压力介质引导插入件(1),该压力介质引导插入件(1)具有用于引导控制活塞(20)的管状引导套管(2),该引导套管(2)布置在容纳部(15)中,该引导套管具有布置在引导套管(2)中且通过接片(8)分隔开的用于压力介质的穿通开口(6),其中,在引导套管(2)的外侧面布置有塑料件(3),该塑料件(3)具有密封接片(9),密封接片(9)在内侧支撑在引导套管(2)的将穿通开口(6)分隔开的接片(8)上并且在外侧密封地贴靠在容纳部(15)的内侧面上。

Description

用于液压调整装置中的控制阀的压力介质引导插入件
技术领域
本发明涉及一种用于液压调整装置中的控制阀的压力介质引导插入件,该压力介质引导插入件具有用于引导控制活塞的管状引导套管,该引导套管布置在容纳部中。
背景技术
由DE102005052481A1例如公知一种用于控制阀的类属的压力介质引导插入件,该压力介质引导插入件通过切削成型方法由圆形材料制造。有待加工的坯件的尺寸由所述压力介质引导插入件的外部尺寸来决定,其中,很大一部分材料为了形成穿通开口而必须被去掉。现有技术的不利之处在于很差的材料充分利用度,以及与切削加工相联系的高成本。
发明内容
本发明的任务在于,实现一种在材料成本和制造成本方面有利的压力介质引导插入件。
本发明通过权利要求1的特征来解决,其中,其他有利的构造方案和改进方案由从属权利要求获悉。
根据本发明提出:在引导套管的外侧布置有塑料件,该塑料件具有密封接片,该密封接片在内侧支撑在引导套管的将所述穿通开口分隔开的接片上并且在外侧密封地贴靠在容纳部的内侧。
控制阀一般由液压区段和促动器组成。液压区段具有阀壳体和布置于该阀壳体中的、能由促动器推移的控制活塞。在这种情况下,压力介质引导插入件可以理解为是液压区段的阀壳体。在这种情况下,容纳部例如构造在液压调整装置的转子上或者构造在缸头或缸盖罩上,在所述转子或缸头或缸盖罩中可以容纳有所述液压区段,其中,阀壳体密封地贴靠在容纳部的分界面上。
在控制阀的另选实施方式中,在阀壳体与控制活塞之间嵌入中间套管,以便例如实现压力介质的更为复杂的流径。在这种情况下,也可以将该中间套管视为压力介质引导插入件,该中间套管容纳在由阀壳体形成的容纳处中。
枚举并不是封闭式的,同样可以考虑其他在其中能够实现本发明的控制阀实施方式。
通过根据本发明的解决方案,实现如下的压力介质引导插入件,该压力介质引导插入件由引导套管和塑料件组成,所述引导套管可以由薄壁式的坯件制成,优选由管制成,所述塑料件可以成本低廉地以压铸方法制成。压力介质引导插入件的塑料件在容纳处中对该压力介质引导插入件进行密封,并且防止:压力介质可能意外地从一个压力介质引导通道挤入相邻的压力介质引导通道。由此,压力介质引导插入件的材料充分利用度得到显著改善,这是因为:在这里,压力介质引导插入件的大部分壁厚由成本低廉地利用压铸方法制成的塑料件形成。另外,对于引导套管可以应用如下的管,在这种管中,仅须钻通贯通开口,从而对于该构件必需的切削加工在总体上被降到最低。
压力介质引导插入件可以具有整合的滤网,从而可以取消各其他过滤件。由此,实现了非常大的并且布置在控制棱边上的过滤面。另外,取消了用于过滤件的各附加的装配开支。
另外提出:引导套管和塑料件在引导套管的纵向上通过形状配合相互连接,从而这两个部件在纵向上不能彼此相对进行推移。
另外,可以在引导套管的外侧在穿通开口的区域内设置有环形槽,该环形槽确保最佳的油通流。
塑料件优选可以通过对引导套管的包铸来形成,所述引导套管是一种特别成本低廉的制造类型。只要穿通开口布置在所提出的更深地安置的环形槽中,则出现的情况是,用于包铸过程的推动工具支撑在更高地安置的接片上,从而带有布置于其中的穿通开口的、更深地安置的环形槽在注塑过程期间不能与包铸材料发生接触。所提出的滤网可以在包铸过程之前布置在引导套管上,从而该滤网在对引导套管进行包铸之后固定在该引导套管与塑料件之间。
对于塑料件作为单独部件制成的情况,而提出:将塑料件借助卡位连接、挤压连接和/或粘接连接固定在引导套管上。于是,所提出的滤网在制造塑料件时就已一并包铸而成,从而滤网自身是塑料件的组成部分。
另外提出:引导套管在一侧具有带轴向孔的连接件,该轴向孔用于压力介质流入和/或用于连接促动器。由此,对于引导套管可以成本低廉地应用一种管,其中,明显更为坚实的连接件可以单独地制造。由此,切削加工的所需比例总体上进一步下降,这是因为形成引导套管的坯件的尺寸这时不再由连接件一并决定。
连接件可以与塑料件形状配合地连接,从而连接件通过保持在引导套管上的塑料件与引导套管连接。
全部三个部件的特别简单的连接方案在于,连接件与塑料件以如下方式相互连接,即,引导套管保持在这两个部件之间。
附图说明
下面结合优选的实施例对本发明进行详细阐述。在附图中可以详细地看到:
图1a-1c示出如下的压力介质引导插入件,其具有切削制造的引导管及包铸而成的密封接片;
图2a-2c示出如下的压力介质引导插入件,其具有引导管、单独的连接件及包铸而成的密封接片;
图3a-3c示出如下的压力介质引导插入件,其具有引导管、单独的连接件以及插装的、在一侧通过形状配合紧固的塑料件;
图4a-4c示出如下的压力介质引导插入件,其具有引导管、单独的连接件以及插装的在两侧通过形状配合紧固的塑料件;
图5示出带有促动器和控制活塞的压力介质引导插入件。
具体实施方式
在图5中可以看到压力介质导入件1,该压力介质导入件1空心地构成并且具有在内侧引导的、与促动器30连接的控制活塞20。压力介质导入件1自身布置在用于如下装置的控制阀14中,该装置用于对内燃机换气阀的配气相位进行可变调整,例如像在DE102005052481A1中所介绍的那样。对配气相位的调整通过移动压力介质导入件1中的控制活塞20进而移动由此受控制的压力介质流来进行。关于在压力介质导入件的工作原理以及压力介质导入件在控制阀中的布置方案,可以直接参引DE102005052481A1,由此,DE102005052481A1算入本申请文件的公开内容。图1a-1c中的根据本发明构造的压力介质引导插入件1具有三件式的基本结构,包括引导套管2、配属于促动器30的连接件4以及包铸而成的塑料件3。引导套管2用于引导控制活塞20,并且设有可由控制活塞20封闭的穿通开口6。包铸而成的塑料件3用于将压力介质引导插入件1密封在其容纳部中,并且用于压力介质引导通道的相互密封。通过压力介质引导插入件1根据本发明的构造方案,仅还需要切削加工薄壁式的引导套管2,而对于密封所需的明显更厚的壁厚度则由塑料件3形成。正如由附图清楚看到地,所需的切削加工的比例由此在总体上显著下降。在塑料件3与引导套管2之间还布置有软管状的过滤器5,该过滤器5在对引导套管2进行包铸之前布置在该引导套管2上,并且由此在理想的情况下,在包铸之后遮盖所有穿通开口6。穿通开口6依照由分三排每排各六个开口的栅格的类型来布置。基于穿通开口6的有规律的布置,在穿通开口之间形成直线式的接片8,在接片8上在径向内侧支撑有塑料件3的密封接片9。凭借塑料件3的密封接片9在引导套管2的接片8上的布置,实现了对密封接片9足够的支持,从而密封接片9能够毫无问题地实现其本身的功能,即,在容纳部15的内壁部处对压力介质引导通道进行相互密封。在引导套管2的外壁部上设置有槽10,在进行包铸时,塑料材料能够流入该槽10中,从而在塑料硬化后,形成塑料件3与引导套管2之间的形状配合并且塑料件3在引导套管2的纵向上不能发生滑脱。穿通开口6布置在环形槽7内,从而在穿通开口6之间形成凸台12,在紧紧夹持住过滤器5的情况下进行包铸期间,推动工具可以支撑在凸台12上。在图2a-2c中可以看到本发明的另选实施方式,其中,连接件4和引导套管2由两个分开的部件来形成。由此,材料充分利用度进一步提高,这是因为由此对于引导套管2可以应用如下的管,即,在该管内仅须钻通穿通开口6。于是,明显更为坚实的连接件可以作为单独部件例如经切削加工来制造。
另外,保持件11设置有径向朝外突起的钩,该钩通过塑料件3来包铸,并且在纵向上紧固塑料件3。保持件11可以与连接件4一体地构造或者同样构造为引导套管2上的另外的夹持环。在图3a-3c中可以看到另选的实施方式,其中,塑料件3连同被包铸的过滤器5作为预制部件固定在引导套管2上。过滤器5在两侧通过塑料件3的内层3c和外层3d来包铸,从而在过滤器5与引导套管之间不发生接触。连接件4具有圆柱形的凸起部4a,在凸起部4a的内部设置有槽14。塑料件3超出凸起部4a并且以朝内突起的凸台3a卡入槽14内。由此,塑料件3在纵向上通过形状配合与连接件4连接。在图4a-4c中,可以看到来自图3a-3c的实施方式,其中,塑料件3在这里附加地在其背向连接件4的端部设有朝内突起的凸台3b。由此,引导套管2在塑料件3与连接件4卡接后夹紧在凸台3b与连接件4之间,从而全部三个零件可以在一个预装配过程中结合在一起并且然后可以共同组装为复合构件。
附加地,可以设置有另外的过滤器区段5a,过滤器区段5a在径向上在凸台3b之间延伸。该过滤器区段5a遮盖引导套管2的轴向开口。由此,同样可以考虑能够的是,通过该轴向开口来进行压力介质供给。

Claims (10)

1.用于液压调整装置中的控制阀(14)的压力介质引导插入件(1),该压力介质引导插入件(1)具有用于引导控制活塞(20)的管状的引导套管(2),该引导套管(2)布置在容纳部(15)中,该引导套管具有布置在所述引导套管(2)中且通过接片(8)分隔开的用于压力介质的穿通开口(6),其特征在于,在所述引导套管(2)的外侧面上布置有塑料件(3),该塑料件(3)具有密封接片(9),所述密封接片(9)在内侧支撑在所述引导套管(2)的将所述穿通开口(6)分隔开的接片(8)上,并且在外侧密封地贴靠在所述容纳部(15)的内侧面上。
2.根据权利要求1所述的压力介质引导插入件(1),其特征在于,所述压力介质引导插入件(1)具有整合的滤网(5)。
3.根据前述权利要求之一所述的压力介质引导插入件(1),其特征在于,所述引导套管(2)和所述塑料件(3)在所述引导套管(2)的纵向上通过形状配合相互连接。
4.根据前述权利要求之一所述的压力介质引导插入件(1),其特征在于,所述穿通开口(6)布置在设置于所述引导套管(2)的外侧面上的环形槽(7)中。
5.根据前述权利要求之一所述的压力介质引导插入件(1),其特征在于,所述塑料件(3)通过包铸来形成。
6.根据权利要求1至4之一所述的压力介质引导插入件(1),其特征在于,所述塑料件(3)能够借助卡位连接而固定在所述引导套管(2)上。
7.根据权利要求1至4之一所述的压力介质引导插入件(1),其特征在于,所述塑料件(3)借助挤压连接和/或粘接连接而固定在所述引导套管(2)上。
8.根据前述权利要求之一所述的压力介质引导插入件(1),其特征在于,所述引导套管(2)在一侧具有带轴向孔的连接件(4),所述轴向孔用于压力介质流入和/或用于连接促动器(30)。
9.根据权利要求7所述的压力介质引导插入件(1),其特征在于,所述连接件(4)与所述塑料件(3)形状配合地连接。
10.根据权利要求7或8所述的压力介质引导插入件(1),其特征在于,所述连接件(4)和所述塑料件(3)相互连接,使得所述引导套管(2)保持在这两个部件(3、4)之间。
CN2009801025215A 2008-01-26 2009-01-24 用于液压调整装置中的控制阀的压力介质引导插入件 Expired - Fee Related CN101918682B (zh)

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PCT/EP2009/000446 WO2009092609A1 (de) 2008-01-26 2009-01-24 Druckmittelleiteinsatz für ein steuerventil in einer hydraulischen stellvorrichtung

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