CN112065708A - 尤其用于为车辆制动设备的制动回路供给处于制动压力下的压力介质的液压总成 - Google Patents
尤其用于为车辆制动设备的制动回路供给处于制动压力下的压力介质的液压总成 Download PDFInfo
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- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
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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
- B60T8/36—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
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Abstract
本发明涉及尤其用于为车辆制动设备的制动回路供给处于制动压力下的压力介质的液压总成(10)。已知的液压总成配备有压力发生器(16),然而压力发生器引起压力波动。为了抑制压力波动,使用缓冲装置。已知这种缓冲装置的环形的节流元件布置在压力发生器和分配的用于压力发生器的、在液压总成的壳体块(12)中的泵容纳部(14)之间的缝隙(72)中。提出了节流元件(70),其在没有通过压力加载的状态中以上侧面处在第一支承部(74a)上,并且以下侧面处在第二支承部(74b)上,支承部(74a、74b)构造在缝隙(72)的彼此相对而置的侧面处。节流元件有利地取消了用于其轴向预紧的弹簧元件、与此相应地紧凑地以及成本有利地构建、还可简单地进行装配。
Description
技术领域
本发明涉及根据权利要求1的前序部分的特征的、尤其用于为车辆制动设备的制动回路供给处于制动压力下的压力介质的液压总成。
背景技术
可电子防滑控制的车辆制动设备在现有技术中是众所周知的。这种车辆制动设备的核心部件形成所谓的液压总成,在其中在壳体块处尤其布置有压力发生器、用于驱动压力发生器的马达、可电磁操纵的阀以及用于电气地操控这些组成部分的电子控制器。液压总成为在制动回路中彼此互联的车轮制动器供给处于制动压力下的压力介质,其中,制动压力可凭借阀特定于车轮地与在相应的车轮处存在的打滑情况相匹配。在此,目的是通过有针对性的制动干预避免出现的车轮打滑,并且避免由此引起的不稳定的行驶状态。可防滑控制的车辆制动设备通常也被称为具有防抱死控制(ABS)、驱动防滑控制(ASR)或行驶稳定性控制(ESP)的车辆制动设备。
为了进行压力介质输送,通常使用压力发生器,在压力发生器中,压力介质通过活塞来进行输送。由于这种压力发生器的周期性的压力介质输送,在联接的制动回路中可出现压力波动。该压力波动可被车辆乘员干扰性地感知到,并且影响行驶舒适性。
为了抑制压力波动,已知将缓冲装置用在压力发生器的压力侧。那些缓冲装置包括具有可根据压力改变的体积的液压腔穴和布置在腔穴下游的节流装置。具有恒定的节流横截面或者具有可根据压力变化的横截面的节流装置同样属于现有技术。后者的特征在于,该节流装置使其节流特性与输送的压力介质体积或存在的压力情况相匹配。
例如在文献DE 10 2011 075 518 A1中公开了一种压力发生器,该压力发生器具有在流动技术上后置的缓冲装置,其具有可根据压力变化的节流横截面。
此外,由文献DE 10 2010 040 157 A1已知一种压力发生器,在该压力发生器中,节流元件布置在压力发生器的外周边处。节流元件位于构造在压力发生器和在液压总成的壳体块处的泵容纳部之间的缝隙中。其包括刚性的、环形实施的节流元件,节流元件被弹簧元件按压,以抵靠阀座。弹簧元件支撑在压力发生器的周边处的梯级处;阀座构造在塞子的面向泵元件的端侧处,塞子相对于环境封闭泵容纳部。
该设计方案的缺点是有应在不同的工作步骤中装配的多个单独的构件以及节流装置的相对很大的结构空间需求。此外,精确地制造节流装置的单个部件以使得设定的节流特性在期望的公差范围内是昂贵的。
发明内容
相比之下,根据权利要求1的特征的对象具有的优点是,节流装置在无替换件的情况下取消用来对节流元件进行预紧的弹簧元件。这省去了零件和装配成本以及用于形成节流装置的结构空间。根据本发明的节流元件与两个支承部共同作用,它们可没有影响成本地在制造在壳体块处的泵容纳部时和在制造套筒时形成。节流元件的预紧可通过改变在两个支承部之间的轴向间距来调节,并且因此实现节流和衰减特性与相应的使用情况的简单的匹配。此外,节流特性的改变可通过截面形状、材料选择和/或节流元件的结构设计以及支承部的几何结构来实现。通常,节流元件布置在活塞泵的周边并且因此布置成远离缓冲装置的液压腔穴开放了液压腔穴的设计自由和装配过程自由。
本发明的其他优点或有利的扩展方案由从属权利要求或以下说明得出。
附图说明
在附图中示出了本发明的实施例,并且在下文的说明中对其进行详细阐述。唯一的附图以纵向截面出了车辆制动设备的液压总成的局部。
具体实施方式
液压总成10的在附图中示出的局部示出了壳体块12,其具有构造在其上的并且朝壳体块12的外侧敞开的泵容纳部14。泵容纳部14筒状地实施、沿纵轴线X-X的方向延伸,并且在其内部尺寸方面从外向内多级地缩进。在泵容纳部14中安装有压力发生器16,该压力发生器在附图中仅部分可见。压力发生器16为活塞泵,该活塞泵的活塞18可移动地容纳在筒状的、在一侧闭合的套筒20中,并且可驱动成进行来回的往复运动。例如,用作泵驱动部的是旋转驱动的偏心轮或凸轮,偏心轮或凸轮以其外周作用于活塞底部。在附图中,活塞底部和泵驱动部不可见。
关于活塞18,仅仅示出了活塞轴的与活塞底部相对而置的敞开端。在该敞开端处形成进入阀24的阀座22。阀座22包围由进入阀球体28控制的进入阀截面26。为此,进入阀球体28通过进入阀弹簧30压靠在阀座22上。进入阀弹簧30在轴向预紧下夹紧在进入阀球体28和居中地伸入到活塞泵的工作腔32中的销34之间。
高压密封元件36在活塞18的外周处固定在阀座22的区域中。高压密封元件环形地实施,并且借助于环绕的密封唇密封在活塞18和套筒20的内壁之间的引导缝隙38。在面向工作腔32的端侧,活塞复位弹簧40以其端部作用于高压密封元件36。活塞复位弹簧40的与之相对而置的端部支撑在套筒20的闭合端上,并且间接通过受到加载的高压密封元件36朝不可见的泵驱动部的方向推压活塞18。
在套筒20的闭合端存在活塞泵的排出阀42。排出阀42同样以止回阀的形式来构造。排出阀包括锥形成形的排出阀阀座44、由排出阀阀座44包围的排出截面46、以及受弹簧加载的排出阀球体48,以控制排出阀截面46。排出阀弹簧50支撑在塞子54的中心中的盲孔状的阀弹簧容纳部52的基部处,并且以其与之相对而置的端部将排出阀球体48压向排出阀阀座44。
塞子54相对于外部环境封闭壳体块12的泵容纳部14。为此将塞子54压入泵容纳部14中,并且可附加地通过堵住壳体块12的材料的缝与液压总成形状配合地连接。
在套筒20的闭合端的区域中将密封环58布置在环绕的、向外敞开的环形槽56中。密封环58使在泵容纳部14中形成在压力发生器16的周边的不同的环形腔室60a、60b相对彼此密封。第一环形腔室60a面向泵容纳部14的由塞子54封闭的开口。第一环形腔室与排出阀42以导引压力介质的方式连接,并且用于将由活塞18从工作腔32挤出的压力介质从活塞泵引出。为此,在附图中示例性地倾斜伸延的压力介质通道62从第一环形腔室60a通出。
输送的压力介质通过压力介质通道62到达缓冲装置,然而,关于该缓冲装置,在附图中仅仅示出了在壳体块12中的缓冲器安装空间64。在附图中,缓冲器安装空间64紧邻第一压力介质通道62放置在左侧。离开缓冲器安装空间64的出口66通到第二环形腔室60b中,第二环形腔室如所阐述的那样由套筒20的密封环58相对于第一环形腔室60a密封。
沿压力介质的流动方向在缓冲装置的出口66的下游,压力介质输送通道68从第二环形腔室60b通出。压力发生器16通过压力介质输送通道68与制动回路之一联接。在附图中,压力介质通道62、出口66和压力介质输送通道68示例性地彼此紧邻地布置在压力发生器16的同一侧。
在缓冲装置的出口66进入第二环形腔室60b中的通入部和压力介质输送通道68离开第二环形腔室60b的通出部之间在活塞泵的周边布置有节流元件70。该节流元件70位于在套筒20的外周边和泵容纳部14的内周边之间的缝隙72或空腔中。从液压方面来看,节流元件70在用于缓冲装置的腔穴的安装空间64的下游,并且在压力发生器16的压力介质输送通道68的上游。节流元件中断出口66与压力介质输送通道68的直接连接,并且为流动阻力,其抵抗压力介质从节流装置的腔穴的不受阻碍的流出。
节流元件70示例性地实施为闭合的环形盘,其具有彼此面平行的上侧面和下侧面。环形盘的外直径和内直径与在套筒20和泵容纳部14之间的缝隙72的尺寸匹配,使得节流元件70在压力发生器16的纵轴线X-X的方向上可运动地容纳在缝隙72中。节流元件70的上侧面位于背对套筒20的密封环58的一侧,而下侧面布置在面向密封环58的一侧。
节流元件70由弹性材料构成,优选地由弹簧钢或塑料构成。
节流元件70通过沿着其上侧面的外周边的边缘区域与第一支承部74a贴靠。第一支承部构造在壳体块12处的泵容纳部14的壁部处,沿径向方向延伸到泵容纳部14中,并且沿着节流元件的外周边局部地覆盖节流元件70。第一支承部74a可沿着泵容纳部14的整个内周边延伸,即形成闭合的环形凸肩,或者可包括多个环形段,环形段相对于相邻的环形段相应有间隔地布置。
同样延伸到在套筒20和泵容纳部14的内壁之间的缝隙72中的第二支承部74b构造在套筒20处。套筒侧的第二支承部74b沿着节流元件70的内直径延伸。第二支承部与节流元件70的下侧面共同作用,并且沿着节流元件的内周边局部地覆盖节流元件70的边缘区域。因此,节流元件70布置在两个支承部74a和74b之间,更确切地说由两个支承部74a、74b保持就位。
要指出的是,布置在节流元件70的下侧面的套筒侧的第二支承部74b和布置在节流元件70的上侧面的液压块侧的第一支承部74a的公开方案仅可示例性地来理解。如果需要,支承部74a、74b的布置可以互换。
两个支承部74a和74b沿压力发生器16的纵轴线X-X的方向沿轴向彼此间隔开。在此,测得的间距小于节流元件70的厚度,使得节流元件70凹形地拱弯,并且以其内周边和外周边相应在轴向预紧下与分配的支承部74a或74b贴靠。支承部74a和74b示例性地与分配的周向壁成直角突出,从而在节流元件70和支承部74a、74b的在缝隙72中的边缘之间出现线接触。
在压力下从缓冲器安装空间64流入到第二环形腔室60b中的压力介质作用到节流元件70上,并且为节流元件加载压力。起作用的压力使节流元件70一方面以其外周边压靠壳体块侧的第一支承部74a,并且另一方面在内直径70的区域中如此作用于节流元件70,使得节流元件以其下侧面从套筒侧的第二支承部74b抬起。在此形成的节流横截面在其尺寸方面取决于压力负荷。节流横截面随着压力负荷的上升而变大,或者说在压力负荷减小时再次变小。因此,不同体积的压力介质通过节流横截面流向压力介质输送通道68,并且在节流元件70处的压力降相应地改变。
当然,在不脱离根据权利要求1的特征的本发明的情况下,可以对所说明的实施例进行改变或补充。
Claims (7)
1.一种液压总成(10),其尤其用于为车辆制动设备的制动回路供给处于制动压力下的压力介质,所述液压总成具有:
壳体块(12),
布置在所述壳体块(12)的泵容纳部(14)中的压力发生器(16),和
沿流动方向布置在所述压力发生器(16)之后的缓冲装置,所述缓冲装置包括液压腔穴和布置在所述腔穴之后的节流元件(70),
其中,所述节流元件(70)为环形,并且在所述压力发生器(16)的周边布置在所述压力发生器(16)和所述壳体块(12)上的配属的泵容纳部(14)之间的缝隙(72)中,
其特征在于,
所述节流元件(70)在没有通过压力加载的状态中以上侧面与第一支承部(74a)贴靠,并且以下侧面与第二支承部(74b)贴靠,其中,所述支承部(74a、74b)构造在所述缝隙(72)的彼此相对而置的侧面处。
2.根据权利要求1所述的液压总成,其特征在于,第一支承部(74a)构造在所述泵容纳部(14)的内壁处,并且第二支承部(74b)构造在所述压力发生器(16)的周边处,尤其构造在所述压力发生器(16)的套筒(20)的周边处。
3.根据权利要求1或2所述的液压总成(10),其特征在于,所述支承部(74a、74b)分别沿径向方向伸入到所述缝隙(72)中,并且沿着所述节流元件(70)的内周边或外周边分别覆盖所述节流元件(70)的边缘区域。
4.根据权利要求1至3中任一项所述的液压总成,其特征在于,在所述压力发生器(16)安装到所述泵容纳部(14)的状态中,所述支承部(74a、74b)沿泵纵轴线X-X的方向沿轴向彼此间隔开,使得处在所述支承部(74a、74b)之间的节流元件(70)通过轴向预紧与所述支承部(74a、74b)贴靠。
5.根据权利要求1至4中任一项所述的液压总成,其特征在于,所述节流元件(70)布置在所述壳体块(12)处的用于缓冲装置的液压腔穴的缓冲器安装空间(64)的下游和所述壳体块(12)的压力介质输送通道(68)的上游,所述压力发生器(16)通过该压力介质输送通道与压力介质回路接触。
6.根据权利要求1至5中任一项所述的液压总成,其特征在于,所述缓冲装置的液压腔穴和所述缓冲装置的节流元件(70)分别与在所述液压总成(10)处的配属的环形腔室(60a、60b)直接连接,其中,所述环形腔室(60a、60b)相对彼此密封。
7.根据权利要求1至6中任一项所述的液压总成,其特征在于,所述节流元件(70)为弹簧弹性的和/或由弹簧弹性的材料、尤其由弹簧钢或塑料制成。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1305419A (zh) * | 1998-05-27 | 2001-07-25 | 阿帕克斯车辆发展公司 | 轻型运输车辆 |
CN1418158A (zh) * | 2000-03-21 | 2003-05-14 | 大陆-特韦斯贸易合伙股份公司及两合公司 | 活塞泵 |
US20060198738A1 (en) * | 2003-04-02 | 2006-09-07 | Michael Schlitzkus | Reciprocating pump |
CN103080549A (zh) * | 2010-09-02 | 2013-05-01 | 罗伯特·博世有限公司 | 对流体流进行节流的组件和相应的用于输送流体的活塞泵 |
DE102011089984A1 (de) * | 2011-12-27 | 2013-06-27 | Robert Bosch Gmbh | Kolbenpumpe für ein Hydraulikaggregat einer Fahrzeugbremsanlage mit einem Pumpenzylinderabschnitt |
CN104583034A (zh) * | 2012-08-13 | 2015-04-29 | 罗伯特·博世有限公司 | 用于车辆制动***的泵元件的导向环 |
CN109383479A (zh) * | 2017-08-02 | 2019-02-26 | 罗伯特·博世有限公司 | 车辆制动装置的液压总成的具有缓冲腔室的缓冲装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3907969A1 (de) * | 1989-03-11 | 1990-09-13 | Bosch Gmbh Robert | Hydraulische hochdruckpumpe fuer eine bremsanlage eines fahrzeugs |
DE10112618A1 (de) * | 2001-03-14 | 2002-09-19 | Bosch Gmbh Robert | Kolbenpumpe |
US6837694B2 (en) * | 2001-06-27 | 2005-01-04 | Unisia Jecs Corporation | Hydraulic pump unit with orifice plate for vehicle brake control system |
DE102010040157A1 (de) | 2010-09-02 | 2012-03-08 | Robert Bosch Gmbh | Kolbenpumpe zur Förderung von Fluiden und zugehörige Fahrzeugbremsanlage |
DE102011079876A1 (de) * | 2011-07-27 | 2013-01-31 | Robert Bosch Gmbh | Kolbenpumpe zur Förderung von Fluiden und korrespondierendes Montageverfahren für eine Kolbenpumpe |
DE102014220368A1 (de) * | 2014-10-08 | 2016-04-14 | Robert Bosch Gmbh | Kolbenpumpe für eine hydraulische Fahrzeugbremsanlage |
-
2019
- 2019-05-25 DE DE102019207686.6A patent/DE102019207686A1/de active Pending
-
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- 2020-04-20 US US16/853,035 patent/US11215287B2/en active Active
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1305419A (zh) * | 1998-05-27 | 2001-07-25 | 阿帕克斯车辆发展公司 | 轻型运输车辆 |
CN1418158A (zh) * | 2000-03-21 | 2003-05-14 | 大陆-特韦斯贸易合伙股份公司及两合公司 | 活塞泵 |
US20060198738A1 (en) * | 2003-04-02 | 2006-09-07 | Michael Schlitzkus | Reciprocating pump |
CN103080549A (zh) * | 2010-09-02 | 2013-05-01 | 罗伯特·博世有限公司 | 对流体流进行节流的组件和相应的用于输送流体的活塞泵 |
DE102011089984A1 (de) * | 2011-12-27 | 2013-06-27 | Robert Bosch Gmbh | Kolbenpumpe für ein Hydraulikaggregat einer Fahrzeugbremsanlage mit einem Pumpenzylinderabschnitt |
CN104583034A (zh) * | 2012-08-13 | 2015-04-29 | 罗伯特·博世有限公司 | 用于车辆制动***的泵元件的导向环 |
CN109383479A (zh) * | 2017-08-02 | 2019-02-26 | 罗伯特·博世有限公司 | 车辆制动装置的液压总成的具有缓冲腔室的缓冲装置 |
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