CN102762823B - 凸轮轴调节装置 - Google Patents

凸轮轴调节装置 Download PDF

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Publication number
CN102762823B
CN102762823B CN201180010734.2A CN201180010734A CN102762823B CN 102762823 B CN102762823 B CN 102762823B CN 201180010734 A CN201180010734 A CN 201180010734A CN 102762823 B CN102762823 B CN 102762823B
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camshaft adjuster
final controlling
controlling element
axis
camshaft
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CN102762823A (zh
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延斯·霍佩
马库斯·金谢尔
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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
    • F01L2001/3443—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
    • 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
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7005—Lugged member, rotary engagement
    • Y10T403/7007—Bayonet joint

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

本发明涉及凸轮轴调节装置（1），用于改变内燃机的凸轮轴相对曲轴的相对角度位置，其中，凸轮轴调节装置（1）包括用于操纵液压阀的执行器（2），其中，执行器（2）借助固定机构（3）固定在壳体元件（4）上，并且其中，该执行器（2）具有轴线（5），该轴线在执行器（2）的已装配状态下与凸轮轴调节装置（1）的轴线是同中心的。为了简化该执行器在凸轮轴调节器上的装配，本发明设置如下：执行器（2）在其与凸轮轴调节装置（1）背离的外侧（6）上具有抓握区段（7），抓握区段具有相对轴线（5）非旋转对称的构造。

Description

凸轮轴调节装置
技术领域
本发明涉及凸轮轴调节装置，用于改变内燃机的凸轮轴相对曲轴的相对角度位置，其中，该凸轮轴调节装置包括用于操纵液压阀的执行器，其中，该执行器借助于固定机构固定在壳体元件上，并且其中，执行器具有轴线，该轴线在执行器的已装配状态下与凸轮轴调节装置的轴线是同中心的。
背景技术
该类属的凸轮轴调节器用于改变内燃机的凸轮轴相对曲轴的相对角度位置。在此，调节装置包括由曲轴通过齿轮驱动的、相对凸轮轴能转动地支承的驱动元件，其中，在驱动元件和凸轮轴之间构造有至少两个液压腔，这两个液压腔能够利用压力流体加载，以便调整在驱动元件和凸轮轴之间的经限定的相对转动位置。
压力流体的控制在此利用液压阀来进行。在中央阀系统中，执行器以中央磁体的形式通过法兰与所附属的液压装置分离地同轴于凸轮轴地被装配到马达的位置固定的结构中（壳体元件，比如链盒遮盖装置）。通过插头将电流传导到电磁体的线圈中。在此情况下感应产生的磁场通过由磁轭、磁轭板、磁体壳体和磁极铁芯组成的软铁圈被传递到可运动地支承的磁体衔铁上。该磁场通过在磁极铁芯和衔铁之间的工作空气间隙（Arbeitsluftspalt）沿着间隙减小的方向将磁性力施加到衔铁上。该磁性力通过压杆被传递到中央阀的活塞上。通过活塞的移动来改变向凸轮轴调节器的液压流体的体积流量。
凸轮轴调节器的执行器在壳体元件上的固定在现有技术中大多是借助于螺纹紧固件连接来进行。这类解决方案例如在DE10211467A1中、在DE102007019923A1中和在DE102006031517A1中公开。
如在DE10252431A1中顺便提及过的那样，也已公知执行器在壳体元件上的无螺纹紧固件式的固定。在此，能够使用卡口连接，以便执行器固定在壳体元件上。在这种情况下，可以同中心于凸轮轴调节器的轴线被装配的执行器在该执行器插入到卡口连接的相应的抓握区段中之后通过转动运动被装配。
在该设置方式中不利的是，有时对装配工人来说实施转动运动或者说枢转运动是困难的，因为这必须利用一定的、并非微不足道的转矩进行，这由按照在已装配状态下执行器牢固坐落的要求以及为此所需的在执行器和壳体元件之间的配合公差而获得。
发明内容
本发明因此基于如下任务，即，对在开头提到的类型的凸轮轴调节装置这样地改进，即，从而能避免所提到的缺点。相应地应当提出设计方案，通过该设计方案执行器在凸轮轴调节器上的装配被简化，也就是说能够容易地进行。
该任务通过本发明的解决方案的特征在于，执行器在其与凸轮轴调节装置背离的外侧上具有抓握区段，抓握区段具有相对轴线非旋转对称的构造。
在此，固定机构优选地构造为无螺纹紧固件式的固定元件；尤其是在此情况下考虑卡口锁闭装置作为固定机构。
抓握区段可以具有多角的轮廓。在此，该多角的轮廓优选地绕轴线的周围布置。该抓握区段特别优选地设有四角的、五角的、六角的、七角的或者八角的轮廓。
该抓握区段可以备选地也具有带两个抓握区段的呈翼状的结构。
此外，该抓握区段可以具有带两个抓握区段的一对球形把手（Knaufe）。
执行器的外侧连同抓握区段优选地由经压铸的壳体元件形成。电插头可以整合到该壳体元件中。
通过已提供的解决方案对装备工人来说在凸轮轴调节器壳体上固定执行器变得非常容易。为此所需的待手动施加的转矩能通过所提供的抓握区段非常容易地被产生。所提到的在执行器外侧上的以多棱边轮廓形式的抓握区段也能够备选地实施为翼或者球形把手对。决定性的是如下可能性，即，通过手面、手指和拇指将力偶施加到执行器的外侧上。
附图说明
在附图中示出了本发明的实施例。其中：
图1以立体图示出了凸轮轴调节器的端部区域，其中装配有用于操纵液压阀的执行器；
图2示出了在径向截面图中的执行器；
图3以立体图示出了执行器，从第一方向看上去；
图4以立体图示出了执行器，从第二方向看上去；
图5以从前面的视图示出了执行器；
图6以从后面的视图示出了执行器；以及
图7以侧视图示出了执行器。
具体实施方式
在图1中示出了凸轮轴调节装置1，其中，该凸轮轴调节装置只能看到一部分，即轴向端部区域。在该轴向端部区域中布置有用于调节液压阀的执行器2。该凸轮轴调节装置1这里也就是根据具有中央磁体和中央阀的结构类型实施用于调节，正如其在本专利申请人的DE10252431A1中所描述的那样；上述文件被明确地加以参考。执行器2固定在凸轮轴调节装置1的壳体元件4上。
细节来源于图2。在这里待识别的针对凸轮轴调节系统的中央阀应用中，将磁体通过法兰10由所附属的液压装置分离地与凸轮轴同轴地装配到马达的位置固定的结构中（比如链盒遮盖装置）。通过电插头9将电流导入线圈11中。在此情况下感应产生的磁场通过由磁轭12、磁轭板13、磁体壳体14和磁极铁芯15组成的软铁圈传递到可运动地支承的磁体衔铁16上。该磁场通过在磁极铁芯15和磁体衔铁16之间的工作空气间隙在间隙减少的方向上施加磁性力到磁体衔铁16上。该磁性力通过压杆17被传递到（图中未示出的）液压中央阀的活塞上。
通过活塞的移动，在凸轮轴调节器中的液压体积流量被改变，并且因此凸轮轴相对于曲轴按已公知方式被扭转。
执行器2在凸轮轴调节装置1的壳体元件4上的固定当前通过卡口锁闭装置（箱盖锁闭装置）进行，也就是说：将执行器2在壳体元件4上固定的固定机构3构造为无螺纹紧固件式的连接机构。在图1中能为此识别出经切除的区域3，这些经切除的区域构造用于放置到在壳体元件4上的相应地径向向外延伸的（未示出的）突出部中；通过绕轴线5扭转执行器2（见图2）将卡口锁闭装置关闭，并且执行器2因此被固定在壳体元件4上。
为了装配工人可以在固定执行器2在壳体元件4上的过程中将为此所需的转矩凭借手毫无问题地施加到执行器2上，设置如下：执行器2在它的背离凸轮轴调节装置1的外侧6上具有带相对轴线5非旋转对称的设计的抓握区段7，正如在图3和图5中能识别的那样。
相应地，也就是执行器2的外侧6没有旋转对称地实施（除电插头9外，该电插头本身但是无论如何不适合用于施加转矩），而是设有使用时方便的轮廓。
在实施例中，抓握区段7设有八角的轮廓，从而使得装配工人的手的拇指和手指找到放置面，以便将执行器2在装配中绕轴线5转动，其中，在此情况下装配工人的手找到好的手抓部，从而使得手不会滑动。
在图3至图7中，执行器2可以作为单独的结构部件在不同的视图中看到（图3中：以立体图示出前侧；图4中：以立体图示出背侧；图5中：从前面沿着轴线方向5看过去的视图；图6中：从后面沿轴线方向5看过去的视图；图7中：侧视图）。在图3和图5中能特别好地识别出抓握区段7的八角轮廓的构造。
优选地，执行器2的壳体元件8实施为完全包封的结构部件，电插头9或者至少其延长部分套口（Ansatz）整合到该壳体元件中。在压铸壳体元件8的情况下，抓握区段7相应地被随同成形。
附图标记列表
1凸轮轴调节装置
2执行器
3固定机构
4壳体元件
5轴线
6外侧
7抓握区段
8壳体元件
9电插头
10法兰
11线圈
12磁轭
13磁轭板
14磁体壳体
15磁极铁芯
16磁体衔铁
17压杆

Claims (7)

1.凸轮轴调节装置(1)，用于改变内燃机的凸轮轴相对曲轴的相对角度位置，其中，所述凸轮轴调节装置(1)包括用于操纵液压阀的执行器(2)，其中，所述执行器(2)借助固定机构(3)固定在壳体元件(4)上，并且其中，所述执行器(2)具有轴线(5)，所述轴线在所述执行器(2)的已装配状态下与所述凸轮轴调节装置(1)的轴线是同中心的，其特征在于，所述执行器(2)在所述执行器的与所述凸轮轴调节装置(1)背离的外侧(6)上具有抓握区段(7)，所述抓握区段具有相对所述轴线(5)非旋转对称的多角轮廓的构造，
其中所述多角轮廓围绕所述抓握区段的外周布置，且所述多角轮廓由多个彼此端对端相连的大致笔直的部分限定。
2.根据权利要求1所述的凸轮轴调节装置，其特征在于，所述固定机构(3)构造为无螺纹紧固件式的固定元件。
3.根据权利要求2所述的凸轮轴调节装置，其特征在于，所述固定机构(3)构造为卡口锁闭装置。
4.根据权利要求1所述的凸轮轴调节装置，其特征在于，所述多角轮廓绕所述轴线(5)的周围布置。
5.根据权利要求1所述的凸轮轴调节装置，其特征在于，所述抓握区段(7)具有四角的、五角的、六角的、七角的或者八角的轮廓。
6.根据权利要求1所述的凸轮轴调节装置，其特征在于，所述执行器(2)的外侧(6)连同抓握区段(7)由经压铸的壳体元件(8)形成。
7.根据权利要求6所述的凸轮轴调节装置，其特征在于，电插头(9)整合到所述经压铸的壳体元件(8)中。
CN201180010734.2A 2010-02-23 2011-01-25 凸轮轴调节装置 Expired - Fee Related CN102762823B (zh)

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DE102010008931A DE102010008931A1 (de) 2010-02-23 2010-02-23 Nockenwellenverstellvorrichtung
DE102010008931.1 2010-02-23
PCT/EP2011/050975 WO2011104057A1 (de) 2010-02-23 2011-01-25 Nockenwellenverstellvorrichtung

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CN102762823A (zh) 2012-10-31
US20120312262A1 (en) 2012-12-13
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EP2539553B1 (de) 2017-04-19
WO2011104057A1 (de) 2011-09-01

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