CN107000717A - 用于具有制动力调节功能的液压车辆制动设备的压力改变阻尼器的阀组件、用于这种车辆制动设备的液压块和具有这种液压块的车辆制动设备 - Google Patents

用于具有制动力调节功能的液压车辆制动设备的压力改变阻尼器的阀组件、用于这种车辆制动设备的液压块和具有这种液压块的车辆制动设备 Download PDF

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CN107000717A
CN107000717A CN201580068301.0A CN201580068301A CN107000717A CN 107000717 A CN107000717 A CN 107000717A CN 201580068301 A CN201580068301 A CN 201580068301A CN 107000717 A CN107000717 A CN 107000717A
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valve
hydraulic
vehicle brake
valve module
pressure change
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CN107000717B (zh
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T·魏茨
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Robert Bosch GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements 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
    • B60T8/34—Arrangements 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
    • B60T8/341—Systems characterised by their valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements 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
    • B60T8/34—Arrangements 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
    • B60T8/48—Arrangements 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 connecting the brake actuator to an alternative or additional source of fluid pressure, e.g. traction control systems
    • B60T8/4809—Traction control, stability control, using both the wheel brakes and other automatic braking systems
    • B60T8/4827—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems
    • B60T8/4863—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems
    • B60T8/4872—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems pump-back systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE 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
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/36—Other control devices or valves characterised by definite functions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements 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
    • B60T8/34—Arrangements 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
    • B60T8/36—Arrangements 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
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
    • B60T8/368—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units combined with other mechanical components, e.g. pump units, master cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements 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
    • B60T8/34—Arrangements 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
    • B60T8/40—Arrangements 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 comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4068—Arrangements 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 comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system the additional fluid circuit comprising means for attenuating pressure pulsations
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/04—Check valves with guided rigid valve members shaped as balls
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • 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
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
    • F16K31/1262—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being spring loaded
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
    • F16L55/05—Buffers therefor
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
    • F16L55/05—Buffers therefor
    • F16L55/052—Pneumatic reservoirs
    • F16L55/053—Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe

Abstract

本发明涉及一种用于具有制动力调节功能的液压车辆制动设备的压力改变阻尼器(1)的阀组件(12)，并且提出，除了流通调节阀(19)所述阀组件(12)还构造有止回阀(18)，作为压力改变阻尼器(1)的排出阀，并且在压力改变阻尼器(1)压入到液压块(7)的容纳部(6)中之前，在底部处插入到容纳部(6)中。

Description

用于具有制动力调节功能的液压车辆制动设备的压力改变阻 尼器的阀组件、用于这种车辆制动设备的液压块和具有这种 液压块的车辆制动设备
技术领域
本发明涉及一种具有权利要求1前序部分特征的具有制动力调节功能的液压车辆制动设备的压力改变阻尼器的阀组件、一种具有权利要求8前序部分特征的用于这种车辆制动设备的液压块以及一种具有权利要求9特征的具有这种阀组件的具有制动力调节功能的液压车辆制动设备。
背景技术
具有制动力调节功能表示：在车轮制动器中的车轮制动压力并且由此液压车辆制动设备的车轮制动的制动力优选可针对车轮单独地调节，例如为了防抱死控制、驱动防滑控制或行驶动力学控制(也俗称防甩控制)、自动制动或自动间距调节，针对其常用缩写ABS、ASR、FDR、ESP、ACC。列举是示例性的而不是穷尽的。这样的制动力调节基本上是已知的并且在此要对其予以详细介绍。专利申请DE 195 01 760 A1公开了这种具有制动力调节功能的液压车辆制动设备的实例。
具有制动力调节功能的液压车辆制动设备通常具有液压泵，通常在每个制动回路中都具有液压泵，其也称作回流泵并且所述液压泵常常是活塞泵。活塞泵由于其进行振荡的输送方式而在液压车辆制动设备的制动液体中造成压力振动。至车轮制动压力调节系统的电磁阀在切换时造成制动液体中的压力冲击。为了衰减在液压车辆制动设备的制动液体中的压力改变，公开了压力改变阻尼器，其要如对主制动缸的反作用那样地降低噪声产生。
发明内容
根据本发明的具有权利要求1特征的阀组件设置用于具有制动力调节功能的液压车辆制动设备的压力改变阻尼器，该车辆制动设备具有液压泵、尤其是活塞泵作为液压泵，并且具有压力改变阻尼器，该压力改变阻尼器在液压上连接在液压泵之后，即连接在液压泵的泵出口或者压力侧上。阀组件具有：阀壳体，该阀壳体具有敞开侧；两个阀，其设置在阀壳体中；以及阀座体，该阀座体将阀壳体的敞开侧封闭并且该阀座体具有用于这两个阀的闭塞体的两个阀座。本发明能够与压力改变阻尼器无关地实现阀组件的制造以及特别是组装和功能检验。在安装到液压块中之前的功能检验是重要的，因为阀组件以及防滑控制装置的其他液压部件在它们插入并且通过压密来保持住并且抗压地密封之后不能再次从液压块中拆卸出来。
从属权利要求的对象是在权利要求1中所说明的发明的有利设计方案和有利改进方案。
权利要求8的主题是用于具有制动力调节功能的液压车辆制动设备的液压块，该液压块具有容纳部，压力改变阻尼器和前面所阐述的类型的阀组件设置在该容纳部中。这种用于具有制动力调节功能的液压车辆制动设备的液压块是已知的，其例如参照公开文献DE 10 2006 059 924 A1。液压块典型地是直角平行六面体形的扁平金属块，例如由铝合金制成的金属块，在视图中其通常是长方形的，近似方形的并且高为宽或长的大约1/4到1/3。液压块具有直径呈阶梯状的盲孔用于从制动管路连接到主制动缸和连接到车轮制动缸以及作为用于防滑控制装置的液压部件如电磁阀、液压泵、液压蓄能器和已经提及的压力改变阻尼器的容纳部。通过液压块的钻孔，将容纳部或设置在其中的液压部件在液压上彼此连接。配备上液压部件，这种液压块可以理解为液压单元并且视为制动力调节装置的液压系统的核心件。本专利申请的权利要求8也表达出：阀组件和压力改变阻尼器分别是特有的组件，其相继地(首先为阀组件)引入到液压块的为此设置的容纳部中并且由液压块机械地保持住并且保持在一起。压力改变阻尼器例如压密在液压块中并且压力密封地将容纳部封闭。
权利要求9的主题是具有制动力调节功能的液压车辆制动设备，其具有前面所阐述的类型的液压块。
附图说明
以下借助实施例更为详细地阐述了本发明。唯一的图示出了具有根据本发明的阀组件的压力改变阻尼器的轴向剖视图。
具体实施方式
在附图中示出的压力改变阻尼器1具有管状的壳体2，在该壳体中设置有由弹性体构成的软管形的阻尼元件3。阻尼器壳体2在一端上封闭并且也可以理解为拱顶形的。阻尼器元件3同样在一端处封闭，其中阻尼器元件3的封闭端设置在阻尼器壳体2的封闭端中而阻尼器元件3的敞开端借助环形套接部4保持在阻尼器壳体2的敞开端中。阻尼器元件3具有比阻尼器壳体2的内直径小的外直径，使得在阻尼器元件3与阻尼器壳体2之间存在空隙5，该空隙包围在阻尼器壳体2中的阻尼器元件3并且套接部4在阻尼器壳体2的敞开端处流体密封地封闭该空隙。
阻尼器壳体2的敞开端被压入液压块7中的容纳部6中，其中，容纳部6实施为直径呈阶梯状的盲孔并且在该附图中仅绘出液压块7的在容纳部6区域中的片段。阻尼器壳体2在其敞开端外部作为用于自锁连接的压密接头8构造有环绕的在横截面上倒圆的槽9并且沿着压入方向在该槽的后面构造有环形肩部10，该环形肩部在压入到液压块7的容纳部6中时使液压块7的包围容纳部6的材料塑性地变形到槽9中，使得阻尼器壳体2和具有阻尼器壳体2的压力改变阻尼器1整体机械稳定地保持在液压块7的容纳部6中并且抗压地密封。阻尼器壳体2从液压块7中伸出。
在容纳部6的底部上，在环形台阶11上将根据本发明的阀组件12压入到容纳部6的突出部13中。阀组件12或更确切地说阀组件12的阀壳体14在容纳部6的突出部13的环周上密封。阀壳体14是直径呈两个台阶的套筒，该套筒在直径小的端部处封闭并且在直径大的端部处是敞开的。在阀壳体14的直径大的端部上或端部中设置盘状阀座体15，并且例如通过卷边、压入、粘接或焊接例如激光焊在环周上流体密封地与阀壳体14连接。阀座体15具有两个空心截锥形的阀座16、17，用于两个设置在阀壳体14中的阀18、19：阀座体15在边缘附近具有用于止回阀18的阀座并且在中部具有用于流通调节阀19的阀座17。止回阀18是无弹簧的并且具有作为闭塞体20的球体20，所述球体与阀座16一起作用。在阀壳体14的内部中的环形肩部21靠近阀座16，使得当闭塞体20在止回阀18打开的情况下而从阀座16上抬起时，环形肩部将闭塞体20不可丢失地保持在阀座16上。一个孔在轴向上通入阀座16中，该孔穿过阀座体15并且具有小的直径，使得该孔形成节流部22。
流通调节阀19的闭塞体23具有截球形顶24，该截球形顶与阀座17共同起作用。也有一个孔25通入流通调节阀19的阀座17中，该孔穿过阀座体15。当然，在用于流通调节阀19的阀座体15中的孔25具有比节流部22大的直径。与截球形顶24有间距地，流通调节阀19的闭塞体23在柱形区段之后具有截锥形的区段26。闭塞体23的几何形状，尤其是截球形顶24、截锥形区段26和其距截球形顶24的间距，与阀座17和孔25一起主要确定了流通调节阀19的流通特征曲线，即流通量与在流通调节阀19的两侧之间的压力差的相关性。
作为支撑在阀壳体14的封闭端上的阀弹簧27，螺旋压力弹簧对闭塞体23施以预应力，使之抵靠阀座17，使得当超过通过弹簧预应力预设的打开压力时才打开流通调节阀19。阀弹簧27的特征曲线和预应力同样针对流通调节阀19的流通特征曲线是确定的。
相对于截球形顶24，流通调节阀19的闭塞体23具有共轴的柱形的突起部28，该突起部限制闭塞体23的打开行程，其方式是：其安置在阀壳体14的封闭端上。打开行程是该闭塞体23在流通调节阀19打开时从阀座17所抬起的位移。与突出部28同时地，在流通调节阀19打开时，空心柱形的凸缘29安置在阀壳体14的内部中的环形台阶30上，该环形台阶同样限制了阀行程。安置在阀壳体14的封闭端上的突出部28和同时安置在阀壳体14中的环形肩部30上的凸缘29也可以理解为流通调节阀19或更确切地说闭塞体23的打开位移限制结构。
阀壳体14在其封闭端中具有用于在流通调节阀19打开和封闭时压力补偿的中心孔31。如果流通调节阀19完全打开，则安置在环形肩部30上的凸缘29和安置在阀壳体14的封闭端上的突出部28将中心孔31封闭，由此减小通过阀组件12的流通量。在环形肩部30中，阀壳体24具有多个通孔32，其位于流通调节阀19的闭塞体23之外并且因此始终是敞开的。
为了流向压力改变阻尼器1，液压块7具有进入孔33，进入孔倾斜地并且在阀壳体14之外在环形台阶11上通入容纳部6中，该容纳部通过敞开端与软管形阻尼器元件3的内腔连通。通过这两个阀18、19流出到液压块7中的流出孔34中，所述流出孔轴向平行地在容纳部6的突出部13的底部上汇入。
对于液压块7仅绘出在用于压力改变阻尼器1的容纳部6的区域中的一段以及阀组件12，液压块7具有其他容纳部用于液压车辆制动设备的制动力调节装置的未绘出的液压部件，如电磁阀、止回阀、液压泵和液压蓄能器，它们通过液压块7的钻孔在液压上彼此连接。配备液压部件，液压块7形成其余部分未绘出的液压车辆制动设备的制动力调节装置的液压单元。车辆制动设备的液压泵尤其是活塞泵，该活塞泵由于其振荡的输送方式而在被输送的制动液体中产生压力波动，压力波动由压力改变阻尼器1衰减并且在穿流经过节流部22和阀18、19时进一步被减小。这两个阀18、19在流出时被穿流，即，是压力改变阻尼器1的排出阀。压力改变阻尼器1和阀组件12通过进入孔33与液压车辆设备的制动力调节装置的未绘出的液压泵的压力侧连通。压力改变阻尼器1和阀组件12通过排出孔34一方面与制动力调节装置的分离阀连接而另一方面与车辆制动设备的车轮制动器的进入阀连接。车轮制动器通过进入阀连接到车辆制动设备上并且车辆制动设备通过分离阀连接到主制动缸上。这两个阀18、19液压上并联连接。

Claims (9)

1.一种用于具有制动力调节功能的液压车辆制动设备的压力改变阻尼器的阀组件，其特征在于，所述阀组件(12)具有带有敞开侧的阀壳体(14)，在所述阀壳体中设置有两个阀(18、19)，并且所述阀壳体(14)的敞开侧用阀座体(15)封闭，所述阀座体具有用于所述两个阀(18、19)的两个阀座(16、17)。
2.根据权利要求1所述的阀组件，其特征在于，所述两个阀(18、19)是所述压力改变阻尼器(1)的排出阀。
3.根据权利要求1所述的阀组件，其特征在于，所述阀壳体(14)是直径呈阶梯状的套筒。
4.根据权利要求1所述的阀组件，其特征在于，所述阀座体(15)是板并且所述两个阀座(16、17)并排设置。
5.根据权利要求1所述的阀组件，其特征在于，所述阀组件(12)具有止回阀(18)和流通调节阀(19)。
6.根据权利要求5所述的阀组件，其特征在于，所述流通调节阀(19)在超过打开压力时才打开。
7.根据权利要求5所述的阀组件，其特征在于，所述流通调节阀(19)具有打开位移限制结构并且在完全打开时闭塞阀流通口。
8.一种用于具有制动力调节功能的液压车辆制动设备的液压块，所述液压块具有根据权利要求1所述的阀组件(12)和压力改变阻尼器(1)，其特征在于，所述液压块(7)具有容纳部(6)，所述阀组件(12)在所述液压改变阻尼器(1)之前插入所述容纳部中。
9.一种具有制动力调节功能的液压车辆制动设备，其具有根据权利要求8所述的液压块(7)。
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