CN105247175B - 用于驱控中央阀的电磁体的设施 - Google Patents

用于驱控中央阀的电磁体的设施 Download PDF

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CN105247175B
CN105247175B CN201480030384.XA CN201480030384A CN105247175B CN 105247175 B CN105247175 B CN 105247175B CN 201480030384 A CN201480030384 A CN 201480030384A CN 105247175 B CN105247175 B CN 105247175B
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pushpin
control piston
central valve
electromagnet
relative
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CN105247175A (zh
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延斯·霍佩
马库斯·金谢尔
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Schaeffler Holding China Co Ltd
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Schaeffler Technologies AG and Co KG
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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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/17—Pivoting and rectilinearly-movable armatures
    • 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
    • F01L2001/3443—Solenoid driven 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)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

本发明公开了一种用于驱控中央阀(2)的电磁体(6)的设施。按压销(4)与电磁体(6)联接并且能沿着第一轴线(A)运动，从而经由能运动的按压销(4)使中央阀(2)的控制活塞(1)在中央阀壳体(8)中能沿着第二轴线(B)移动。根据本发明，按压销(4)的第一轴线(A)与控制活塞(1)的第二轴线(B)平行地且具有径向间距(10)地延伸。

Description

用于驱控中央阀的电磁体的设施
技术领域
本发明涉及一种用于驱控中央阀的电磁体的设施。按压销与电磁体联接并且能沿着第一轴线运动，从而经由能运动的按压销使中央阀的控制活塞在中央阀壳体中能沿着第二轴线移动。
背景技术
在内燃机中，为了操纵所谓的气门而使用了凸轮轴。凸轮轴的凸轮通常抵靠在凸轮随动件上。如果凸轮轴处于转动状态下，那么凸轮在凸轮随动件上滚动，凸轮随动件又对气门进行操纵。用于实现针对不同的转速状态和负荷状态的最佳的配气正时的凸轮轴相对于曲轴的角位移被称为凸轮轴调节。凸轮轴调节器的结构上的变体例如根据公知的回转式发动机原理来工作。
在此，凸轮轴调节器固定地装配在凸轮轴上。在此，中央阀控制凸轮轴调节器与内燃机的油循环回路之间的油交换。进入开口或中央阀的输出端构造在中央阀壳体中。控制活塞在中央阀壳体的内腔中受引导。控制活塞构造为具有空腔的圆柱体。控制活塞经由按压销与电磁体联接，其中，电磁体被设立用于使控制活塞轴向地在中央阀壳体中运动。这例如在德国公开文献DE 10 2011 080 421 A1、DE 10 2010 050 813 A1和DE 10 2006 027349 A1中所公开。
在已知的中央阀应用中，尝试在无轴线错位的情况下安装两个滑动配对件，也就是按压销和控制活塞。因此，控制活塞与按压销之间的接触面置于中央地构造在中央阀的控制活塞上。由于两个滑动配对件的置于中央的或(在允许的位置偏差的范围内)稍微偏心的取向，在控制活塞与按压销之间不产生(在置于中央的位置的情况下)或仅产生很小的相对运动。在构成相对运动的情况下，控制活塞旋转，而按压销是固定的。滑动配对件彼此间很小的或不足的滑动速度阻止或阻碍了构建出稳定的液力润滑膜，并且由于缺乏润滑和提高的摩擦而因此加剧了滑动配对件的磨损。因此，出现了干摩擦，其中，尤其是控制活塞的表面粗糙度在此导致按压销的磨损。
发明内容
因此，本发明的任务在于，以如下方式修改用于驱控中央阀的电磁体的设施，即，产生稳定的液力润滑膜并且尽量最小化或阻止滑动配对件(控制活塞和按压销)的接触面的磨损。
在根据本发明的用于驱控中央阀的电磁体的设施中，按压销与电磁体联接并且能沿着第一轴线运动，从而经由能运动的按压销使中央阀的控制活塞在中央阀壳体中能沿着第二轴线移动。
根据本发明，按压销的第一轴线相对于控制活塞的第二轴线平行地且具有径向间距地延伸。
通过第一轴线相对于第二轴线的被称为错位的该径向间距，在控制活塞的接触面与按压销的前部面之间构造出相对运动。尤其地，在此在运行期间按压销的第一轴线在控制活塞的接触面上画出圆形轨迹。
为了实现装入位置，也就是说，为了实现设施的第一轴线相对于第二轴线的根据本发明的径向间距，因此刻意地将按压销的电磁体相对于中央阀偏心地并且超过对于由现有技术已知的装配准确度来说通常的位置偏差地装入，从而按压销的第一轴线相对于控制活塞的第二轴线平行地并且彼此间隔开地延伸。
由于按压销到控制活塞上的高的滑动速度，由装入位置造成的在控制活塞的接触面与按压销的前部面之间的相对运动，也就是说，通过按压销在控制活塞的接触面上的圆形轨迹，构造出稳定的液力润滑膜。通过该稳定的液力润滑膜，可以减小由控制活塞和按压销组成的滑动配对件之间的摩擦。因此，这导致降低或阻止了滑动配对件的接触面上的磨损。
尤其地，按压销的前部面小于控制活塞的接触面。
附图说明
下面，将实施例结合附图来详细阐述本发明及其优点。附图中的尺寸比例并非始终对应真实的尺寸比例，这是因为一些形状被简化地示出，而另外的形状为了更好的说明而相对于其他元件被放大地示出。其中：
图1示出在装入的情况下的根据本发明的用于驱控中央阀的电磁体的设施的纵截面；
图2示出在按压销和控制活塞接触的情况下的根据本发明的设施的俯视图；
图3示出如下的区域的示意图，在该区域中，按压销和控制活塞在运行中共同作用并且产生液力润滑膜。
针对本发明的相同的或起相同作用的元件使用相同的附图标记。此外为了概览，在各个附图中仅示出对于描述相应的附图来说必需的附图标记。示出的实施方式仅是示例，如根据本发明的电磁体的设施可以被设计成用于驱控中央阀，并且因此不表示对本发明的最终的限制。
具体实施方式
图1示出了在装入的情况下的根据本发明的用于驱控中央阀2的电磁体6的设施的纵截面。在此，按压销4与电磁体6联接，从而按压销4能沿着第一轴线A运动。按压销4在其轴向运动中作用到中央阀2的控制活塞1上。经由能运动的按压销4，控制活塞1在中央阀壳体8中能沿着第二轴线B移动。
根据本发明，按压销4的第一轴线A相对于控制活塞1的第二轴线B平行地且具有径向间距10地延伸。
因此，第一轴线A相对于第二轴线B的该间隔开的布置方案可以实现的是，在运行中，控制活塞1的接触面12与按压销4的前部面13之间构造出相对速度。在此，在按压销4和控制活塞1接触的情况下，如图2所示那样，按压销4的轴线A在控制活塞1的接触面12上画出圆形轨迹14。
为了实现该设施，尤其是实现按压销4与控制活塞1之间的相对运动，相对于中央阀2偏心地装入按压销4的电磁体6，从而按压销4的第一轴线A相对于控制活塞1的第二轴线B平行地且与第二轴线B间隔开地延伸。通过这种有针对性地以超过构件彼此间的通常允许的位置偏差的方式相对于中央阀2偏心地装入按压销4的电磁体6，明显提高了控制活塞1与按压销4之间的滑动速度。这如图3中示意性示出的那样导致了在控制活塞1与按压销4之间形成液力润滑膜15。由此，降低或阻止了由控制活塞1的接触面12与按压销4的前部面13组成的滑动配对件的磨损。尤其如同样在图3中所示的那样，按压销4的前部面13小于控制活塞1的接触面12。
附图标记列表
1 控制活塞
2 中央阀
4 按压销
6 电磁体
8 中央阀壳体
10 间距
12 控制活塞的接触面
13 按压销的前部面
14 圆形轨迹
15 液力润滑膜
A 第一轴线
B 第二轴线

Claims (4)

1.一种用于驱控中央阀(2)的电磁体(6)的设施，其中，按压销(4)与所述电磁体(6)联接并且能沿着第一轴线(A)运动，从而经由能运动的按压销(4)使所述中央阀(2)的控制活塞(1)在中央阀壳体(8)中能沿着第二轴线(B)移动，
其特征在于，
所述按压销(4)的第一轴线(A)相对于所述控制活塞(1)的第二轴线(B)平行地且具有径向间距(10)地延伸；在所述控制活塞(1)的接触面(12)与所述按压销(4)的前部面(13)之间构造出所述按压销(4)相对于所述控制活塞(1)的相对运动；在运行期间，所述按压销(4)的第一轴线(A)在所述控制活塞(1)的接触面(12)上画出圆形轨迹(14)。
2.根据权利要求1所述的设施，其中，相对于所述中央阀(2)偏心地装入有所述按压销(4)的电磁体(6)，从而所述按压销(4)的第一轴线(A)相对于所述控制活塞(1)的第二轴线(B)平行地并且彼此间隔开地延伸。
3.根据权利要求1所述的设施，其中，借助所述控制活塞(1)的接触面(12)与所述按压销(4)的前部面(13)之间的相对运动能构造出液力润滑膜(15)。
4.根据权利要求3所述的设施，其中，所述按压销(4)的前部面(13)小于所述控制活塞(1)的接触面(12)。
CN201480030384.XA 2013-05-28 2014-03-12 用于驱控中央阀的电磁体的设施 Active CN105247175B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102013209862.6A DE102013209862A1 (de) 2013-05-28 2013-05-28 Anordnung eines Elektromagneten zur Ansteuerung eines Zentralventils
DE102013209862.6 2013-05-28
PCT/DE2014/200121 WO2014190982A1 (de) 2013-05-28 2014-03-12 Anordnung eines elektromagneten zur ansteuerung eines zentralventils

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CN105247175B true CN105247175B (zh) 2018-03-23

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DE102015220164A1 (de) 2014-10-28 2016-04-28 Schaeffler Technologies AG & Co. KG Anordnung zur Betätigung eines Zentralventils
FR3032134B1 (fr) * 2015-02-03 2017-05-19 Exel Ind Dispositif de distribution pour un pulverisateur agricole

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DE102008006377A1 (de) * 2008-01-29 2009-07-30 Schaeffler Kg Hydraulisches Ventilteil eines Steuerventils
CN102418573A (zh) * 2010-09-28 2012-04-18 日立汽车系统株式会社 内燃机的气门挺柱

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US20160116079A1 (en) 2016-04-28
CN105247175A (zh) 2016-01-13
WO2014190982A1 (de) 2014-12-04
DE102013209862A1 (de) 2014-12-04
US9822899B2 (en) 2017-11-21

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