CN103133732B - 液压方式控制的蓄能器腔室阀 - Google Patents
液压方式控制的蓄能器腔室阀 Download PDFInfo
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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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
- B60T8/42—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 having expanding chambers for controlling pressure, i.e. closed systems
- B60T8/4275—Pump-back systems
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/027—Installations or systems with accumulators having accumulator charging devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2201/00—Accumulators
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- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2201/00—Accumulators
- F15B2201/60—Assembling or methods for making accumulators
- F15B2201/615—Assembling or methods for making ports therefor
Abstract
本发明涉及一种液压方式控制的蓄能器腔室阀(1),其带有通过第一压力弹簧(14)预紧的、将在阀体(22)中的阀座(26)密封的闭合元件(13)和推杆(12),所述推杆(12)与由第二压力弹簧(15)加载的蓄能器活塞(10)相连接并且当在弹簧预紧力和液压作用力之间为特定的力比例时将所述闭合元件(13)从所述阀座(26)中压出,其中,所述第一压力弹簧(14)和所述闭合元件(13)在过滤器(24)中被引导。根据本发明,带有阀座(26)的阀体(22)和带有引导器件(28)的过滤器(24)被实施成单件式的塑料元件(20)。
Description
技术领域
本发明涉及一种根据独立权利要求1所述的类型的液压方式控制的蓄能器腔室阀(Speicherkammerventil)。
背景技术
例如,从专利文献US7,543,896B2中已知一种液压方式控制的蓄能器腔室阀,在其中通过在蓄能器活塞中的推杆打开弹性地被预紧的球座阀(Kugelsitzventil)。这在对于系统在弹簧预紧力和液压作用力之间为特定的力比例时实现。该球座阀通常由金属的阀体和被压到阀体上的塑料过滤器组成。该过滤器容纳压力弹簧和球体并且也承担这两个构件的引导功能。该预装配的组合件被插入泵壳中并且例如通过自咬合连接固定和密封。通过圆柱形的金属推杆实现球座阀的操纵,该推杆被压入蓄能器活塞中。该蓄能器活塞也容纳密封环以及引导环。在该蓄能器活塞和通过保持锁紧部(Halteverstemmung)与泵壳相连接的封闭盖之间存在相应地被预紧的压力弹簧。弹簧力与在蓄能器活塞处液压作用力相反地作用并且在弹簧力过大时引起蓄能器活塞-推杆组合在蓄能器腔室阀的打开的方向上移动。在此,通过推杆使球体从座中运动出来并且打开蓄能器腔室阀。
在公开文献DE4202388A1中例如描述了用于机动车的液压制动设备。所描述的制动设备包括液压方式控制的蓄能器腔室阀,其带有通过第一压力弹簧被预紧的、将在阀体中的阀座密封的闭合元件和推杆,该推杆与由第二压力弹簧加载的蓄能器活塞相连接并且当在弹簧预紧力和液压作用力之间为特定的力比例时将闭合元件从阀座中压出。
发明内容
相反地,带有独立权利要求1所述的特征的根据本发明的液压方式控制的蓄能器腔室阀具有的优点为,可简化单个部件的可制造性并且降低制造成本。通过包括过滤器和阀体的直接注塑的单件式塑料元件实现极其成本适宜的制造。此外,与例如金属的冷锻件相比,在塑料元件中可明显更简单地实现复杂和准确的座几何结构或流出部几何结构。
本发明的实施方式提供了一种液压方式控制的蓄能器腔室阀,其包括通过第一压力弹簧预紧的、将在阀体中的阀座密封的闭合元件和推杆,该推杆与由第二压力弹簧加载的蓄能器活塞相连接并且当在弹簧预紧力和液压作用力之间为特定的力比例时将闭合元件从阀座中压出。这意味着,此时第二压力弹簧的作用到蓄能器活塞上的弹簧力大于作用到蓄能器活塞上的液压力和第一压力弹簧的作用到闭合元件上的预紧力。此外,第一压力弹簧和闭合元件在过滤器中被引导。根据本发明,带有阀座的阀体和带有引导器件的过滤器被实施成单件式的塑料元件。
通过在从属权利要求中阐述的措施和改进方案实现在独立权利要求1中给出的液压方式控制的蓄能器腔室阀的有利的改进方案。
特别有利的是,带有阀座的阀体可形成塑料元件的下封闭部,其中,该阀体过渡到封闭件被压入其中的过滤器中,该封闭件形成塑料元件的上封闭部。此外,闭合元件和第一压力弹簧可被布置在塑料元件之内。由此可以有利的方式简单且快速地通过封闭件的压入深度调整第一压力弹簧作用到闭合元件上的预紧力。
在根据本发明的液压方式控制的蓄能器腔室阀的有利的设计方案中,引导件可被构造成垂直地伸入塑料元件的内部空间中的引导桥接部。优选地,三个引导桥接部构造成分布在过滤器的内周边并且分别具有相对于彼此120°的角度。由此可以有利的方式保证两个单个部件、即压力弹簧和闭合元件的对于功能所需的引导任务。
在根据本发明的液压方式控制的蓄能器腔室阀的另一有利的设计方案中,可将锁紧盘在外部压到阀体上。整个预检验的组合件可通过锁紧盘装配到流体块或泵壳中并且通过保持锁紧部固定在该整个组合件的位置中。
在根据本发明的液压方式控制的蓄能器腔室阀的另一有利的设计方案中,推杆可被实施成实心圆柱并且被压入在蓄能器活塞中的第一容纳孔中。推杆的这种简单的圆柱形的设计方案以有利的方式实现了由滚针轴承构成的成本最适宜的圆柱形的滚动体的应用。此外,在应用这种圆柱形的滚动体时给出外直径的所需的精度,以通过在推杆和蓄能器活塞之间的压力连接保证保持功能和密封功能。
在根据本发明的液压方式控制的蓄能器腔室阀的另一有利的设计方案中,蓄能器活塞可具有带有密封环的密封槽和带有引导环的引导槽,密封环和引导环可在已安装的状态中在容纳孔中引导蓄能器活塞。
附图说明
在附图中示出本发明的一个实施例并且在以下描述中详细解释该实施例。在附图中,相同的附图标记表示实施相同或相似功能的组件或元件。
图1显示了带有根据本发明的蓄能器腔室阀的实施例的阀组件的示意性纵向剖视图,
图2显示了图1中的根据本发明的蓄能器腔室阀的实施例的示意性横向剖视图。
具体实施方式
图1显示了带有根据本发明的液压方式控制的蓄能器腔室阀1的阀组件,该蓄能器腔室阀1被布置在流体块3或泵壳的分级的第二容纳孔4中。根据本发明的液压方式控制的蓄能器腔室阀1的实施方式例如可应用在车辆中的液压制动系统中。
如可从图1和2中看出的那样,所示出的液压方式控制的蓄能器腔室阀1包括通过第一压力弹簧14预紧的被实施成球形件的闭合元件13和与由第二压力弹簧15加载的蓄能器活塞10相连接的推杆12。在此,闭合元件将在阀体22中的阀座26密封。该推杆12穿过在阀体22中的、边缘处构造有阀座26的颈状收缩部并且当在弹簧预紧力和液压作用力之间为特定的力比例时将闭合体13从阀座26中压出。在所示出的实施例中,当第二压力弹簧15的作用到蓄能器活塞10上的弹簧力大于作用到蓄能器活塞10上的液压力和第一压力弹簧14作用到闭合元件13上的预紧力时,为这种情况。如果第二压力弹簧15的作用到蓄能器活塞10上的弹簧力小于作用到蓄能器活塞10上的液压力和第一压力弹簧14作用到闭合元件13上的预紧力,则闭合元件13被压入阀座26中。第一压力弹簧14和闭合元件13在过滤器24中被引导,该过滤器24额外地从被输送的介质中过滤出悬浮物。
根据本发明,带有阀座26的阀体22和带有引导器件28的过滤器24被实施成单件式的塑料元件20。通过单件式的、直接注塑的、由过滤器24和阀体22组成的塑料元件20实现成本最适宜的制造。此外,与例如金属的冷锻件相比,在塑料件中可明显更简单地实现复杂且准确的座几何结构或流出部几何结构。
如还可从图1和2中看出的那样,带有阀座26的阀体22形成塑料元件20的下封闭部并且该阀体22向上过渡到基本上圆柱形的过滤器24中,该过滤器24具有成波形的过滤器几何结构24.1。被压入过滤器24中的封闭件29形成塑料元件20的上封闭部。被布置在封闭件29上的圆柱形的销29.1用作可由于圆柱形的销29.1的塑性变形实现的轴向公差补偿。
如还可从图1和2中看出的那样,塑料元件20容纳被实施成球形件的闭合元件13以及第一压力弹簧14,并且通过三个分别相对于彼此具有120°的角度的引导桥接部28保证对于功能所需的两个单个部件、即闭合元件13和第一压力弹簧14的引导任务。为了调整第一压力弹簧14的预定的预紧力,相应地将封闭件29深压入塑料元件20的过滤器24中。整个被预检验的组合件通过被压到塑料元件20的阀体22的模制引导凸缘22.2上的锁紧盘17被装配到流体块3或泵壳中并且通过第一保持锁紧部18固定在该整个组合件的位置中。为了密封,在塑料元件20的阀体22处模制有环绕的密封唇22.1,其相对于在流体块3或泵壳中的第二容纳孔4密封。为了制造带有锁紧盘17的保持锁紧部18,利用合适的锁紧工具使流体部件3或泵壳的材料塑性地变形,从而形成至少部分地遮盖锁紧盘17的优选环绕的桥接部。
如还可从图1中看出的那样,推杆12被实施成实心圆柱。推杆12的这种简单的圆柱形的设计方案实现了由滚针轴承构成的成本最适宜的圆柱形的滚动体的使用。通过使用这种滚动体作为推杆12得到外直径的所需精度,以通过在推杆12和在蓄能器活塞10中的第一容纳孔11之间的压配合保证保持功能和密封功能。
通过蓄能器活塞10的轴向移动实现蓄能器腔室阀1的操纵并且通过推杆12实现被实施成球形件的闭合元件13的操纵。蓄能器活塞10通过密封环16以及引导环19在位于流体块3或泵壳中的分级的第一容纳孔4中被引导。在蓄能器活塞10和通过另一保持锁紧部9与流体块3或泵壳相连接的封闭盖7之间布置有第二预紧的压力弹簧15。为了制造带有封闭盖7的另一保持锁紧部9,利用合适的锁紧工具使流体部件3或泵壳的材料塑性地变形,从而形成至少部分地遮盖封闭盖7的边缘的、优选环绕的桥接部。此外,蓄能器活塞10的下侧通过在封闭盖7中的孔8与大气压相连接。在蓄能器活塞10的上侧和阀体22之间构造有蓄能器腔室阀1的蓄能器腔室5。该蓄能器腔室阀1在无压力的状态中被打开。这通过由作用到蓄能器活塞10下侧的预紧的第二压力弹簧15引起的蓄能器活塞10到上部的终端位置的移动来实现。
在用于机动车的液压系统、优选液压制动系统的运行期间,第二压力弹簧15的弹簧力以克服第一压力弹簧14的弹簧力和在蓄能器活塞10上的液压作用力的方式而起作用。在此,液压力的过大引起被实施成球形件的闭合元件13和蓄能器活塞-推杆组合在蓄能器腔室阀1的关闭方向上的移动。在此,被实施成球形件的闭合元件13通过第一压力弹簧14的弹簧力被压到阀座26中。第二压力弹簧15的弹簧力的过大引起蓄能器-活塞推杆组合在蓄能器腔室阀1的打开方向上的移动。在此,由推杆12使被实施成球形件的闭合元件13从阀座26中运动出来并且打开蓄能器腔室阀1。在打开的状态中,流体可几乎无障碍地从例如与主制动缸相连接的流体联接部6通过过滤器24和被打开的阀座26流到未被示出的流体联接部,该流体联接部通入到蓄能器腔室5中并且例如与回油泵相连接。
本发明的实施方式提供了一种蓄能器腔室阀,它的单个部件可以有利的方式简化地制造,从而可降低制造成本。通过直接注塑的、包括过滤器和阀体的单件式塑料元件,与例如金属的冷锻件相比可明显更简单地实现复杂且准确的座几何结构或流出部几何结构。
Claims (10)
1.一种液压方式控制的蓄能器腔室阀,其带有通过第一压力弹簧(14)预紧的、将在阀体(22)中的阀座(26)密封的闭合元件(13)和推杆(12),所述推杆(12)与由第二压力弹簧(15)加载的蓄能器活塞(10)相连接并且当在弹簧预紧力和液压作用力之间为特定的力比例时将所述闭合元件(13)从所述阀座(26)中压出,其中,所述第一压力弹簧(14)和所述闭合元件(13)在过滤器(24)中被引导,其特征在于,带有所述阀座(26)的所述阀体(22)和带有引导器件(28)的所述过滤器(24)被实施成单件式的塑料元件(20)。
2.按照权利要求1所述的蓄能器腔室阀,其特征在于,带有所述阀座(26)的所述阀体(22)形成所述塑料元件(20)的下封闭部,其中,所述阀体(22)过渡到所述过滤器(24)中,封闭件(29)被压入所述过滤器(24)中,所述封闭件(29)形成所述塑料元件(20)的上封闭部。
3.按照权利要求1或2所述的蓄能器腔室阀,其特征在于,所述闭合元件(13)和所述第一压力弹簧(14)布置在所述塑料元件(20)之内。
4.按照权利要求3所述的蓄能器腔室阀,其特征在于,能通过所述封闭件(29)的压入深度调整所述第一压力弹簧(14)作用到所述闭合元件(13)上的预紧力。
5.按照权利要求1或2所述的蓄能器腔室阀,其特征在于,所述引导器件为垂直地伸入所述塑料元件(20)的内部空间中的引导桥接部。
6.按照权利要求5所述的蓄能器腔室阀,其特征在于,所述引导桥接部分布地构造在所述过滤器(24)的内周边上并且分别具有相对于彼此120°的角度。
7.按照权利要求1或2所述的蓄能器腔室阀,其特征在于,将锁紧盘(17)在外部压到所述阀体(22)上,通过所述锁紧盘(17)能锁紧所述塑料元件(20)和流体块(3)。
8.按照权利要求1或2所述的蓄能器腔室阀,其特征在于,所述推杆(12)被实施成实心圆柱。
9.按照权利要求1或2所述的蓄能器腔室阀,其特征在于,所述推杆(12)被压入在所述蓄能器活塞(10)中的第一容纳孔(11)中。
10.按照权利要求1或2所述的蓄能器腔室阀,其特征在于,所述蓄能器活塞(10)具有带有密封环(16)的密封槽和带有引导环(19)的引导槽,所述密封环和所述引导环在已安装的状态中在第二容纳孔(4)中引导所述蓄能器活塞(10)。
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DE102011087090A DE102011087090A1 (de) | 2011-11-25 | 2011-11-25 | Hydraulisch gesteuertes Speicherkammerventil |
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DE102013221910A1 (de) * | 2013-10-29 | 2015-04-30 | Siemens Aktiengesellschaft | Elektrischer Schalter |
DE102014008651A1 (de) * | 2014-06-13 | 2015-12-17 | Rsg Electronic Gmbh | Ventilvorrichtung zum Ansteuern von Medienströmen jedweder Art |
DE102016219526B4 (de) | 2016-10-07 | 2021-04-29 | Robert Bosch Gmbh | Fluidfilter mit einem Filtersteg mit einem Außenabschnitt, einem Mittelabschnitt und einem Innenabschnitt, sowie Verfahren zur Erstellung eines Fluidflilters, sowie Magnetventil und Pumpenelement mit einem entsprechenden Fluidfilter |
CN106352010B (zh) * | 2016-10-25 | 2018-07-24 | 苏州西捷克缓冲科技有限公司 | 阻尼力自动调节式油压缓冲器 |
DE102016226304A1 (de) * | 2016-12-29 | 2018-07-05 | Robert Bosch Gmbh | Hydraulikblock für ein Hydraulikaggregat einer Bremsregelung einer hydraulischen Fahrzeugbremsanlage |
CN112400077B (zh) * | 2018-07-05 | 2023-04-07 | 利滕斯汽车合伙公司 | 气动致动器和包括气动致动器的气动系统 |
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GB880408A (en) * | 1956-11-07 | 1961-10-18 | Becorit Grubenausban G M B H | Pressure relief valve |
DE2941244C2 (de) * | 1979-10-11 | 1984-09-27 | Lechler Gmbh & Co Kg, 7012 Fellbach | Ventilanordnung |
DE3934806C1 (zh) * | 1989-10-19 | 1991-06-06 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
DE4037952A1 (de) * | 1990-11-29 | 1992-06-04 | Bosch Gmbh Robert | Verfahren zur montage eines filters an einem ventil und ventil |
AT396286B (de) * | 1991-07-05 | 1993-07-26 | Ideal Standard | Rueckschlagventil |
DE4202388A1 (de) | 1992-01-29 | 1993-08-05 | Bosch Gmbh Robert | Hydraulische bremsanlage mit blockierschutz- und antriebsschlupf-regeleinrichtung, insbesondere fuer kraftfahrzeuge |
DE19739904A1 (de) * | 1997-09-11 | 1999-03-18 | Bosch Gmbh Robert | Rückschlagventil, insbesondere für eine Kolbenpumpe |
DE10013858A1 (de) * | 2000-03-21 | 2001-09-27 | Continental Teves Ag & Co Ohg | Kolbenpumpe mit Ventil-Montageeinheit |
JP2006151362A (ja) | 2004-11-04 | 2006-06-15 | Advics:Kk | 調圧リザーバおよびそれを用いた車両用ブレーキ装置 |
DE102005041037A1 (de) * | 2005-08-25 | 2007-04-26 | Joma-Polytec Kunststofftechnik Gmbh | Ölfilteranordnung |
ITTO20070035U1 (it) * | 2007-03-08 | 2008-09-09 | Elbi Int Spa | Gruppo valvolare di non ritorno, particolarmente per caldaie e simili |
US20090166274A1 (en) * | 2007-05-24 | 2009-07-02 | Eaton Corporation | Engine valve with a combined engine oil filter and valve actuator solenoid |
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