CN103244716B - 用于液压介质的控制阀 - Google Patents

用于液压介质的控制阀 Download PDF

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CN103244716B
CN103244716B CN201310058588.1A CN201310058588A CN103244716B CN 103244716 B CN103244716 B CN 103244716B CN 201310058588 A CN201310058588 A CN 201310058588A CN 103244716 B CN103244716 B CN 103244716B
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control
control device
frame unit
check
check plate
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CN103244716A (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
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Schaeffler Technologies AG and Co KG
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/08Check valves with guided rigid valve members shaped as rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief 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
    • 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
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7837Direct response valves [i.e., check valve type]
    • Y10T137/7847With leak passage
    • Y10T137/7849Bypass in valve casing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Check Valves (AREA)
  • Details Of Valves (AREA)
  • Magnetically Actuated Valves (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

本发明涉及一种用于液压介质的控制设备,其具有控制阀尤其是比例阀,控制阀具有套筒壳体(1),套筒壳体设有径向开口(7),其中,至少一个压力供应管道、至少一个控制管道和至少一个回流管道连接到开口(7)上,并且其中,用于压力供应管道的开口与环形槽(5)保持连接,控制设备具有在套筒壳体(1)中以可轴向移动的方式得到支承的控制滑块(2),控制滑块带有控制棱边(3),控制滑块由优选电磁式设计的控制单元掌控,优选用于控制如下相位调节装置,该相位调节装置用于可变地调节往复活塞式内燃机的换气阀的配气正时,并且其中,在优选布置在套筒壳体(1)内的压力供应管道或者环形槽(5)中装入有止回阀(8)。

Description

用于液压介质的控制阀
技术领域
一种用于液压介质的控制设备,其具有控制阀尤其是比例阀,所述控制阀具有套筒壳体,所述套筒壳体设有径向开口,其中,至少一个压力供应管道、至少一个控制管道和至少一个回流管道连接到所述开口上,并且其中,至少用于所述压力供应管道的开口与环形槽保持连接,所述控制设备具有以在所述套筒壳体中可轴向移动的方式得到支承的控制滑块,所述控制滑块带有控制棱边,所述控制滑块由优选电磁式设计的控制单元掌控,优选用于控制如下相位调节装置,所述相位调节装置用于可变地调节往复活塞式内燃机的换气阀的配气正时。
背景技术
具有控制阀的这种控制设备由DE20023304U1公知。在这种控制阀中设置有一个压力供应管道,两个至相位调节装置的控制管道和两个流出管道。各个管道与套筒壳体中的环形槽保持有效连接,其中,过滤器放置在所述环形槽中。
尤其在往复活塞式内燃机的工作范围的部分区域中,相位调节装置的调节速度和调节准备程度不令人满意。尤其在往复活塞式内燃机的发动机转速很低而温度很高的时候是这种情况,于是其中提供的发动机油压也很低,从而在压力供应管道中存在很低的液压力。
发明内容
因此,本发明的目的在于,改善带有控制阀的上述控制设备的缺点,其中,应该在控制阀和控制管道中总是提供足够的压力。这应该无需附加的安装成本地在所述相位调节装置的整个设备上实现,其中,也应该不需要附加的结构空间。最后,应该提供一种解决方案,其能够以简单并且成本低的机构呈现。
本发明的目的通过如下方式得以实现,即,在优选布置在套筒壳体内的压力供应管道或者环形槽中装入有止回阀。由此保证了,即使在带有很低发动机油压并因此压力供应管道中液压力很低的运行状态中,仍然可以实现可靠的控制,这是因为尤其也屏蔽了压力波动(所谓的压力峰值)。如果止回阀设置在套筒壳体内的环形槽中,那么该止回阀也可以稍后装入或者固定到带有环形槽的控制阀上。
以具有优点的方式提出,止回阀具有一个或多个止回板(Rückschlag-bleche)和一个或多个框架件。止回板和框架件优选环状地实施并且容易地放置在套筒壳体内的环形槽中。
止回板和框架件彼此匹配,使得止回板与框架件的内表面密封地保持连接,其中,框架件具有流动开口,并且在流动开口的外部密封地在环形槽中和/或包围套筒壳体的引导壳体中得以引导。由此,压力液体从压力供应管道穿过框架件中的流动开口经由止回板到达套筒壳体中的开口,并且在其内边缘上由控制棱边相应地掌控。另一方面,如果压力供应管道中的压力小于套筒壳体内的开口中的压力并且维持住控制阀中的压力的话,止回板闭合。
以具有优点的方式,设置有两个止回板和两个框架件,其中,止回板在一侧在框架件上得以引导,并因此可以不费力地释放或者闭塞液压流体。在此,所述框架件彼此夹接、或者利用超声波焊接或者粘接,从而它们固定在套筒壳体的环形槽中。以具有优点的方式,所述框架件具有引导凸鼻,尤其是指向内部的引导凸鼻,所述引导凸鼻引导止回板或者稍后还会加以描述的一体式止回板。附加地,框架件优选在其外侧上可以具有过滤网,从而框架件除了用于引导止回板之外还承载过滤网。
在本发明的另一构造方式中提出,设置有一体式的止回板,其形成整圈(Vollring)或者开缝的整圈,并且布置在一个或多个框架件内部。为了安装不带开缝的整圈,该整圈可以弹性地径向扩展,并因此它可以移动至相应的环形槽。它也可压缩,由此释放流动横截面。
相应于一体式的止回板,也可以一体式地实施框架件,其中,两个框架件彼此毗邻地固定并且形成开缝的整圈,该整圈在闭合之后借助于前面所描述的措施或者通过包围套筒壳体的引导壳体保持闭合。
附图说明
对本发明的进一步阐述参阅附图,在附图中简化地示出本发明的实施例。其中:
图1示出带有所介绍的止回阀的套筒壳体的透视图;
图2相应于图1示出带有打开的止回阀的透视图;
图3示出根据图1的止回阀和套筒壳体的剖面;
图4示出止回阀的俯视图;
图5示出带有止回板的止回阀的框架件的侧视图;
图6类似于图5示出框架件和止回板的透视图;
图7相应于图3示出带有两个半圆形框架件和一体式止回板的剖面;
图8相应于图7示出带有一体式框架件和单件式止回板的剖面;
图9相应于图8示出带有翻开的框架件的剖面;
图10示出带有一体式止回板和两个半圆形框架件的止回阀的零部件;以及
图11示出带有翻开的一体式框架件的一体式止回板的侧视图。
具体实施方式
在图1至图11中(大体上详尽地)用1标记套筒壳体,其中放入带有控制棱边3的控制滑块2。套筒壳体1具有三个环形槽4、5和6,其中,在未示出的包围套筒壳体的引导壳体中加工出带有未示出的压力供应管道的环形槽5以及带有未示出的控制管道的环形槽4和6,所述引导壳体还容纳所述套筒壳体1。在环形槽5中设置有多个开口7,它们分布在套筒壳体1的周边上。此外,在环形槽5中还装入有整体用8标记的止回阀,所述止回阀根据图1至7和图10具有两个半圆形框架件9和10,所述框架件能够彼此连接,其中,这可以借助于夹接、焊接或者粘接来实现。在图3至图6中,在每个框架件中都装入有相应地成型的止回板11和12,它们借助于孔眼13放入框架件9和10的容纳部中。因此,止回板11和12可以一方面在压力供应管道中存在有压力液体的情况下向内翻转并且释放所述横截面。止回板11和12与框架件9和10的内表面14保持有效连接,从而它们即使在突然出现内部压力的情况下仍然封闭所述横截面。框架件9和10中的流动横截面通过流动开口15得以保障。在框架件9和10上设置有引导凸鼻16,其保证了止回板的符合规定的位置。
如尤其在图1、图2、图4和图6中所示的那样,在框架件9和10的外壁上设置有过滤网17,其除了止回作用之外还确保了对到达控制滑块2的液压介质进行过滤。
在图7至图10中,止回板构成为一体式的整圈。它既可以构成为闭合的整圈,又可以构成为开缝的整圈18。一体式的止回板要么通过两个半圆形的框架件9和10来引导,要么通过带有两个彼此毗邻地固定的框架件半部的一体式框架件来引导,这两个框架件半部实施为开缝的环形元件19并且可翻转地构成,如图9和图11中所示。
附图标记列表
1 套筒壳体
2 控制滑块
3 控制棱边
4 环形槽
5 环形槽
6 环形槽
7 开口
8 止回阀
9 框架件
10 框架件
11 止回板
12 止回板
13 孔眼
14 内表面
15 流动开口
16 引导凸鼻
17 过滤网
18 开缝的整圈
19 环形元件

Claims (10)

1.用于液压介质的控制设备,其具有控制阀,所述控制阀具有套筒壳体(1),所述套筒壳体设有径向的开口(7),其中,所述开口(7)上连接至少一个压力供应管道、至少一个控制管道和至少一个回流管道,并且其中,至少用于所述压力供应管道的开口与环形槽(5)保持连接,所述控制设备具有以在所述套筒壳体(1)中可轴向移动的方式得到支承的控制滑块(2),所述控制滑块带有控制棱边(3),所述控制滑块由控制单元掌控,其特征在于,在布置在所述套筒壳体(1)内的所述压力供应管道或者所述环形槽(5)中装入有止回阀(8),所述止回阀(8)具有一个或多个止回板(11、12)和一个或多个框架件(9、10),所述框架件(9、10)中装入有相应的止回板(11、12)。
2.根据权利要求1所述的控制设备,其特征在于,所述控制滑块由电磁式设计的控制单元掌控,所述控制单元用于控制一种相位调节装置,该相位调节装置用于可变地调节往复活塞式内燃机的换气阀的配气正时。
3.根据权利要求1所述的控制设备,其特征在于,所述止回板(11、12)和所述框架件(9、10)环状地实施并且布置在所述环形槽(5)中。
4.根据权利要求1所述的控制设备,其特征在于,所述止回板(11、12)和所述框架件(9、10)彼此匹配,使得所述止回板(11、12)能够与所述框架件(9、10)的内表面(14)密封地连接,其中,所述框架件(9、10)具有流动开口(15)并且在所述流动开口的外部密封地在所述环形槽(5)中和/或包围所述套筒壳体(1)的引导壳体中得以引导。
5.根据权利要求1所述的控制设备,其特征在于,设置有两个止回板(11、12)和两个框架件(9、10),并且所述止回板(11、12)在一侧在所述框架件(9、10)得以引导。
6.根据权利要求1所述的控制设备,其特征在于,所述框架件(9、10)彼此夹接、焊接、或者粘接。
7.根据权利要求1所述的控制设备,其特征在于,所述框架件(9、10)具有引导凸鼻(16),所述引导凸鼻用于所述止回板(11、12)且指向内部。
8.根据前述权利要求之一所述的控制设备,其特征在于,在所述框架件(9、10)上固定有过滤网(17)。
9.根据权利要求1-7之一所述的控制设备,其特征在于,设置有一体式的止回板,所述止回板形成整圈或者开缝的整圈(18)。
10.根据权利要求1-7之一所述的控制设备,其特征在于,两个框架件彼此毗邻地固定并且形成开缝的环形元件(19)。
CN201310058588.1A 2012-02-02 2013-02-01 用于液压介质的控制阀 Expired - Fee Related CN103244716B (zh)

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DE102012201548.5A DE102012201548B4 (de) 2012-02-02 2012-02-02 Steuerventil für hydraulische Medien
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US20130199634A1 (en) 2013-08-08
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DE102012201548B4 (de) 2019-05-16

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