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CN101336185A - 液压机组 - Google Patents

液压机组 Download PDF

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CN101336185A
CN101336185A CNA2006800517717A CN200680051771A CN101336185A CN 101336185 A CN101336185 A CN 101336185A CN A2006800517717 A CNA2006800517717 A CN A2006800517717A CN 200680051771 A CN200680051771 A CN 200680051771A CN 101336185 A CN101336185 A CN 101336185A
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magnet assembly
electromagnetic valve
guiding mechanism
hydraulic pressure
unit
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CN101336185B (zh
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D·克拉特泽
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Robert Bosch GmbH
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/3675Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/363Electromagnetic valves specially adapted for anti-lock brake and traction control systems in hydraulic systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0807Manifolds
    • F15B13/0814Monoblock manifolds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0832Modular valves
    • F15B13/0835Cartridge type valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0846Electrical details
    • F15B13/0853Electric circuit boards
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0846Electrical details
    • F15B13/0857Electrical connecting means, e.g. plugs, sockets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0878Assembly of modular units
    • F15B13/0885Assembly of modular units using valves combined with other components
    • F15B13/0889Valves combined with electrical components
    • 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
    • Y10T137/8593Systems
    • Y10T137/877With flow control means for branched passages
    • Y10T137/87885Sectional block structure

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Transportation (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

本发明涉及一种具有电磁阀组(10)的液压机组,所述电磁阀组包括至少两个电磁阀(7),其中所述至少两个电磁阀(7)分别包括阀门筒(2)和围绕阀门筒(2)布置的磁体组件(3)。按本发明在至少两个相邻的电磁阀(7)之间布置定位单元(8,8’,8”),所述定位单元将力(16)施加到至少两个相邻的电磁阀(7)上,使得电磁阀(7)的各个磁体组件(3)相对于电磁阀(7)的配属的阀门筒(2)占据确定的径向位置。

Description

液压机组
技术领域
本发明涉及一种按独立权利要求1前序部分所述的液压机组。
背景技术
在公开文献DE 103 16 643 A1中描述了一种电磁阀,该电磁阀包括电磁阀筒和磁体组件。所描述的电磁阀筒包括锅状的壳体、磁极铁心和电枢,并且磁体组件包括线圈体和绕组。该磁体组件围绕该电磁阀筒进行布置,并且径向的预张紧元件布置在螺纹套和磁体组件的壳体之间,从而将径向力施加到磁体组件上,使得磁体组件相对于电磁阀筒占据预先确定的指定的位置。
图1示出了液压机组的分解图。包括多个电磁阀的电磁阀组10装配到流体模块4中,所述电磁阀分别由电磁阀筒2和磁体组件3构成。磁体组件3在冲压格栅5中接触并且装配。该组件与其它部件作为附加控制单元6装配到具有电磁阀筒2的流体模块4上。在图2中示出了用于按图1的液压机组的电磁阀,该电磁阀例如用于防抱死系统(ABS)或者驱动防滑控制系统(ASR系统)或者电子稳定程序系统(ESP系统)中。如从图2中可以看出,电磁阀7除了磁体组件3还包括阀门筒2,该磁体组件包括具有绕组3.2的线圈体3.1、电触点3.3、壳体3.4和防尘盖3.7,该阀门筒2包括磁极铁心2.1、挺杆2.2、外罩2.3、阀座2.4和复位弹簧2.5。在制造电磁阀7时,通过挤压将阀门筒2的外罩2.3和阀座2.4相互接合,并且通过密封焊2.8将阀门筒2相对于大气进行液压地密封。阀座2.4额外地承受在液压系统中出现的压力,并且将该压力通过模压凸缘2.9传递到流体模块4上没有示出的模压区域上。此外,阀座2.4容纳所谓的阀体2.6,从而实现电磁阀7的密封功能,该阀体包括密封座2.7,挺杆2.2密封地伸入该密封座2.7中。如从图2中可以进一步看出,壳体3.4的内圆周以第一直径11形成电磁阀筒2和磁体组件3之间的接口的第一接触区域3.5,并且线圈体3.1的内圆周以第二直径12形成电磁阀筒2和磁体组件3之间的接口的第二接触区域3.6。该接口由于相应的零件公差和所希望的简单的插套装配在直径11和12中是有间隙的。这意味着电磁阀筒2和磁体组件3之间的相对位置具有径向的自由度,该自由度会影响电磁阀7的功能特征值的散布:当电磁阀筒2和磁体组件3相互定心时,会产生电磁阀组10的电磁阀7之间的巨大不同,这会由偶然因素所决定地出现,或者当磁体组件3在一侧靠在电磁阀筒2上时,或者当两个极端位置之间的中间位置被磁体组件3占据时。
发明内容
与此相对,按本发明的具有独立权利要求1所述特征的液压机组具有这样的优点,即在电磁阀组的至少两个相邻的电磁阀之间布置定位单元,该定位单元将力施加到至少两个相邻的电磁阀上,从而相邻的电磁阀的相应的磁体组件相对于相邻的电磁阀的配属的阀门筒占据确定的径向位置。通过按本发明的定位单元,至少两个相邻的电磁阀的磁体组件相互定向,也就是说相邻的电磁阀的相应的磁体组件在磁体组件和电磁阀筒之间的接口上以其内直径径向靠在配属的电磁阀筒上。由此,相邻的电磁阀的磁体组件关于配属的电磁阀筒总是占据预先确定的指定的位置。以此,可以以有利的方式通过所产生的力作用独立于出现的不同的零件尺寸在公差极限内实现按本发明的液压机组的电磁阀组的电磁阀的所涉及的电磁阀筒和配属的磁体组件之间的确定的定位。此外,可以排除对于电磁阀的功能值的散布负责的自由度,由此可以实现电磁阀组的所涉及的电磁阀的零件质量的提高,使得可以更精确地控制液压机组,并且例如可以更精确地计量喷射量和作用压力。
通过在从属权利要求中提出的措施和改进方案,可以实现在独立权利要求中说明的液压机组的有利的改进方案。
特别优选的是,用于将相邻的电磁阀的磁体组件定向的定位单元包括第一导向机构,该第一导向机构通过弹簧元件相互耦合并且在可预先给定的第一高度上作用到相邻的电磁阀的各个磁体组件上。例如构造成舌簧的弹簧元件将径向力施加到每个磁体组件上。用于将相邻的电磁阀的磁体组件定向的定位单元可以额外地包括第二导向机构,该第二导向机构通过弹簧元件相互耦合并且在可预先给定的第二高度上作用到相邻的电磁阀的各个磁体组件上,从而在相邻的电磁阀的磁体组件上产生多个力作用点。
第一导向机构和/或第二导向机构例如构造成夹子形的成型件,该成型件与磁体组件的外部形状相匹配并且在圆周的大部分上围卡住磁体组件或者至少部分地围卡住磁体组件。如此,可以为了固定定位单元例如这样构造第一导向机构,使得该第一导向机构在圆周的大部分上围卡住磁体组件,并且可以这样构造第二导向机构,使得该第二导向机构只是部分地靠在磁体组件的圆周上。作为替代方案,可以为了固定定位单元例如这样构造第二导向机构,使得该第二导向机构在圆周的大部分上围卡住磁体组件,并且可以这样构造第一导向机构,使得该第一导向机构只是部分地靠在磁体组件的圆周上。作为替代方案,可以将第一导向机构和/或第二导向机构构造成连接片,该连接片点状地作用到磁体组件上。
在按本发明的液压机组的设计方案中,定位单元布置在两个沿第一方向相邻的电磁阀之间,并且产生沿第一方向作用在两个相邻的电磁阀之间的力。
在按本发明的液压机组的另一种设计方案中,分别作用在两个沿第一方向相邻的电磁阀之间的两个平行的定位单元通过沿第二方向延伸的间隔元件耦合,从而沿两个方向产生稳定的作用,其中第一和第二方向可以相互垂直延伸。这以有利的方式实现多于两个的磁体组件相互耦合和定向,从而以有利的方式减少了总零件数量,并且可以避免定位单元的扭转,这种扭转在装配时会产生问题。
定位单元可以由不具有或者只具有微小的磁导能力的材料制成,并且例如作为塑料注塑件进行制造。
附图说明
在附图中示出了本发明的优选的在下面说明的实施方式以及用于更好地理解上面的说明的常规的实施例。其中:
图1是液压机组的示意性分解图;
图2是用于按图1的液压机组的电磁阀的示意性剖面图;
图3是用于按图1的液压机组的电磁阀组的第一实施例的示意性侧视图;
图4是按图3的电磁阀组的一部分的示意性俯视图;
图5是用于按图1的液压机组的电磁阀组的第二实施例的示意性侧视图;
图6是按图5的电磁阀组的一部分的示意性俯视图;以及
图7是用于按图1的液压机组的电磁阀组的第三实施例的示意性俯视图。
具体实施方式
如从图3和4中可以看出,用于液压机组的电磁阀组的第一实施例包括多个电磁阀7,在这些电磁阀中示例性地示出了两个相邻的电磁阀7。这两个相邻的电磁阀7分别包括阀门筒2和围绕阀门筒2布置的磁体组件3。在这两个相邻的电磁阀7之间布置了定位单元8,该定位单元8将力16施加到这两个相邻的电磁阀7上,使得各个磁体组件3相对于配属的阀门筒2占据确定的径向位置。如从图3和4中可以进一步看出,用于将相邻的电磁阀7的磁体组件3定向的定位单元8包括第一导向机构8.1,该第一导向机构8.1通过舌状的弹簧元件8.2相互耦合并且在可预先给定的高度13上作用到相邻的电磁阀7的相应的磁体组件3上。第一导向机构8.1构造成夹子形的成型件并且与磁体组件3的外部形状相匹配。为了将定位单元8固定在相邻的电磁阀7的磁体组件3上,夹子形的成型件8.1分别围卡住相应的磁体组件3的圆周的大部分。为了将用于液压机组的电磁阀组的电磁阀7进行定向,设置了多个定位单元8,这些定位单元8分别布置在两个沿一个方向相邻的电磁阀7之间。
如从图5和6中可以看出,用于液压机组的电磁阀组的第二实施例包括多个电磁阀7,在这些电磁阀中类似于第一实施例示例性地示出了两个相邻的电磁阀7。这两个相邻的电磁阀7同样分别包括阀门筒2和围绕阀门筒2布置的磁体组件3。在这两个相邻的电磁阀7之间布置了定位单元8’,该定位单元8’将力16施加到这两个相邻的电磁阀7上,使得各个磁体组件3相对于配属的阀门筒2占据确定的径向位置。与按图3和4的第一实施例的不同之处在于,为了改善相邻的电磁阀7的磁体组件3的定向,定位单元8’包括第一导向机构8.1和第二导向机构8.3,所述第一和第二导向机构8.1,8.3通过舌状的弹簧元件8.2相互耦合并且在不同的可预先给定的高度14,15上作用到相邻的电磁阀7的各个磁体组件3上。第一导向机构8.1类似于按图3和4的第一实施例构造成夹子形的成型件,与磁体组件3的外部形状相匹配并且为了固定在磁体组件3上分别围卡住相应的磁体组件3的圆周的大部分。第二导向机构8.3在示出的第二实施例中与磁体组件3的外部形状相匹配,部分围卡住相应的磁体组件3的圆周并且具有连接片,所述连接片点状地在第二高度15上作用到磁体组件3上。为了将用于液压机组的电磁阀组的电磁阀7进行定向,设置了多个定位单元8,这些定位单元分别布置在两个沿一个方向相邻的电磁阀7之间。
如从图7中可以看出,用于液压机组的电磁阀组的第三实施例包括多个电磁阀7,在这些电磁阀中示例性地示出了四个相互相邻的电磁阀7。类似于第一和第二实施例,相邻的电磁阀7分别包括阀门筒2和围绕阀门筒2布置的磁体组件3。在相邻的电磁阀7之间布置定位单元8”,该定位单元8”在沿第一方向X相邻的电磁阀之间产生沿第一方向X作用在相邻的电磁阀7之间的力。通过该作用的力16,各个磁体组件3相对于配属的阀门筒2占据确定的径向位置。与按图3和4的第一实施例的不同之处在于,第三实施例的定位单元8”通过沿第二方向Y延伸的间隔元件8.4耦合两个平行延伸的定位单元8,该定位单元8类似于第一实施例构造成具有第一导向机构8.1并且分别作用在两个沿第一方向X相邻的电磁阀7之间,从而沿两个方向X,Y产生稳定的作用,其中第一和第二方向X,Y优选相互垂直延伸。通过多于两个的相邻的电磁阀7的耦合,以有利的方式减少了总零件数量,并且可以阻止定位单元8”围绕X轴的的扭转,这种扭转对装配和功能会产生问题。
作为替代方案,可以通过沿第二方向Y延伸的间隔元件8.4在没有示出的实施方式中耦合两个平行延伸的定位单元8’,该定位单元8’类似于第二实施例构造成具有第一和第二导向机构8.1和8.3并且分别在不同的可预先给定的高度14,15上作用在两个沿第一方向X相邻的电磁阀7之间。此外,为了将用于液压机组的电磁阀组的电磁阀7进行定向,可以设置多个定位单元8”,这些定位单元8”分别布置在四个沿两个方向X和Y相互相邻的电磁阀7之间。此外,定位单元8”可以在没有示出的实施例中包括另外的沿第二方向Y延伸的间隔元件8.4,该间隔元件8.4将另外的沿第一方向X平行延伸的定位单元8和8”相互耦合。
通过控制单元6的合适的部件施加防止磁体组件3从电磁阀筒2提起的足够的轴向力,该控制单元6例如按图1通过控制格栅5作用到磁体组件3上。所提出的定位单元8,8’,8”为了简单和可靠的装配以及为了产生弹簧作用可以由合适的(钢)板或塑料制成。此外,材料应该优选地不吸收或者只吸收很微量的分路磁通,从而不减少所产生的用于电磁阀功能的磁力。塑料通过其制造过程(例如注塑)在部件造型时可能比金属材料提供更大的自由度,然而必须对在温度影响和时间影响下的形状稳定性方面相应地选出该塑料。

Claims (10)

1.具有电磁阀组(10)的液压机组,所述电磁阀组包括至少两个电磁阀(7),其中所述至少两个电磁阀(7)分别包括阀门筒(2)和围绕阀门筒(2)布置的磁体组件(3),其特征在于定位单元(8,8’,8”),所述定位单元布置在至少两个相邻的电磁阀(7)之间,并且将力(16)施加到至少两个相邻的电磁阀(7)上,使得电磁阀(7)的各个磁体组件(3)相对于电磁阀(7)的配属的阀门筒(2)占据确定的径向位置。
2.按权利要求1所述的液压机组,其特征在于,所述用于将相邻的电磁阀(7)的磁体组件(3)定向的定位单元(8,8’,8”)包括第一导向机构(8.1),所述第一导向机构通过弹簧元件(8.2)相互耦合并且在可预先给定的第一高度(14)上作用到相邻的电磁阀(7)的各个磁体组件(3)上。
3.按权利要求2所述的电磁阀,其特征在于,所述用于将相邻的电磁阀(7)的磁体组件(3)定向的定位单元(8’)包括第二导向机构(8.1),所述第二导向机构通过弹簧元件(8.2)相互耦合并且在可预先给定的第二高度(15)上作用到相邻的电磁阀(7)的各个磁体组件(3)上。
4.按权利要求2或3所述的液压机组,其特征在于,所述第一导向机构(8.1)和/或第二导向机构(8.3)构造成夹子形的成型件,所述成型件与磁体组件(3)的外部形状相匹配并且在圆周的大部分上围卡住磁体组件(3)。
5.按权利要求2或3所述的液压机组,其特征在于,所述第一导向机构(8.1)和/或第二导向机构(8.3)构造成夹子形的成型件,所述成型件与磁体组件(3)的外部形状相匹配并且部分围卡住磁体组件(3),并且/或者构造成连接片,所述连接片点状地作用到磁体组件(3)上。
6.按权利要求5所述的液压机组,其特征在于,所述第二导向机构(8.3)包括连接片,所述连接片点状地作用到磁体组件(3)上。
7.按权利要求1到6中任一项所述的液压机组,其特征在于,所述定位单元(8,8’)布置在两个沿第一方向(X)相邻的电磁阀(7)之间,并且产生沿第一方向(X)作用在两个相邻的电磁阀(7)之间的力(16)。
8.按权利要求7所述的液压机组,其特征在于,分别作用在两个沿第一方向(X)相邻的电磁阀(7)之间的两个平行的定位单元(8,8’)通过沿第二方向(Y)延伸的间隔元件(8.4)耦合,从而沿两个方向(X,Y)产生稳定的作用,其中第一和第二方向(X,Y)相互垂直延伸。
9.按权利要求1到8中任一项所述的液压机组,其特征在于,所述定位单元(8,8’,8”)可以由不具有或者具有微小的磁导能力的材料制成。
10.按权利要求9所述的液压机组,其特征在于,所述定位单元(8,8’,8”)可以作为塑料注塑件进行制造。
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