CN105960343B - 具有集成的控制阀和杆形操纵器件的空气弹簧组件 - Google Patents
具有集成的控制阀和杆形操纵器件的空气弹簧组件 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/08—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring
- B60G15/12—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring and fluid damper
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/048—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics with the regulating means inside the fluid springs
- B60G17/0485—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics with the regulating means inside the fluid springs the springs being pneumatic springs with a flexible wall, e.g. with levelling valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0525—Height adjusting or levelling valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60G—VEHICLE SUSPENSION ARRANGEMENTS
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- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0528—Pressure regulating or air filling valves
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/342—Throttling passages operating with metering pins
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
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- B60G2204/423—Rails, tubes, or the like, for guiding the movement of suspension elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
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- B60G2400/252—Stroke; Height; Displacement vertical
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- B60—VEHICLES IN GENERAL
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- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/20—Spring action or springs
- B60G2500/202—Height or leveling valve for air-springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60G2500/00—Indexing codes relating to the regulated action or device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
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- B60G2500/20—Spring action or springs
- B60G2500/202—Height or leveling valve for air-springs
- B60G2500/2022—Height or leveling valve for air-springs with valve seat actuation for selectively adjusting neutral height
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
- F16F9/5123—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity responsive to the static or steady-state load on the damper
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- Vehicle Body Suspensions (AREA)
Abstract
本发明涉及一种具有集成的控制阀组件的空气弹簧组件,其用于以压缩空气加载形成于外管(1)、滚动管(3)和连接这些构件的空气弹簧气囊(5)之间的弹簧压力室(6),其中,所述控制阀组件由单个通气阀(8)和单个排气阀(9)组成,这些阀能通过同样集成的机械操纵器件按照空气弹簧的行程位置***纵,用于弹簧压力室(6)的通气或排气,其中,所述通气阀(8)布置成与所述排气阀(9)对置,以操纵推杆(8a;9a)面向彼此,其中,在所述操纵推杆之间作用于它们上的机械操纵器件包括在单侧安装在所述外管(1)或滚动管(2)上的切换杆(10),该切换杆的对置并且分别配属给所述操纵推杆(8a;8b)中的一个的滑动轨道(11a,11b)作用于所述操纵推杆(8a;8b)上,以根据行程位置进行阀操纵。
Description
技术领域
本发明涉及一种具有集成的控制阀组件的空气弹簧组件,该空气弹簧组件用于以压缩空气加载形成于外管、滚动管和连接这些构件的空气弹簧气囊之间的弹簧压力室,其中,所述控制阀组件由单个通气阀和单个排气阀组成,该通气阀和该排气阀可通过同样集成的机械操纵器件按照空气弹簧行程位置来进行操纵,用于弹簧压力室的通气或排气。
本发明的应用领域尤其涉及到车辆技术。在商用车的底盘区域中例如会使用减振器,该减振器包括大多呈液压式的减振元件和与其共同作用的空气弹簧组件。在集成构造方式的意义上,所述减振元件通常具有容器管,该容器管与空气弹簧的滚动管连接,其中,该滚动管通过起滚动气囊作用的空气弹簧气囊来与同轴地并且可相对于该滚动管在轴向上运动地布置的外管连接。空气弹簧气囊、滚动管以及外管限界弹簧压力室,该弹簧压力室处于用于起弹簧作用的空气压力下。
例如,驾驶室的悬挂通过这种减振器装备在商用车的底盘上,以便使从道路经由车轮悬挂传导到底盘中的振动保持很大程度上远离驾驶室。
背景技术
由DE 10 2010 012 346 A1已知一种用于商用车的空气弹簧组件,在该空气弹簧组件中,内置式地设置有控制阀组件,以便将压缩空气导送到弹簧压力室或从其导出。通过同样布置在弹簧压力室内的机械操纵器件,该控制阀组件可以根据高度水平进行操控。通常,当该空气弹簧下降到最低高度水平时,将压缩空气导送到弹簧压力室,以便再次建立弹簧特性。而当该弹簧组件的高度水平应降低时,则进行弹簧压力室的排气。
为了该目的,在该现有技术中,根据其中一个实施方式,控制阀组件由两个分别用于弹簧压力室的通气和排气的单阀(Einzelventil)组成。两个单阀布置在滚动管侧,并且通过安装在外管侧的、弹簧预紧的机械操纵器件来操纵。在此,该弹簧预紧的机械操纵器件反作用于这两个单阀的同样被弹簧预紧的操纵推杆。视弹簧强度和弹簧疲劳程度而定,可能由该技术方案产生对阀操纵而言不确定的切换点。尤其因为在该现有技术中操纵推杆的长度不同并且在同一方向上***纵,所以可能出现不希望的切换状态叠加。
EP 1 327 538 A2公开了一种具有同样集成的控制阀组件的空气弹簧组件,用于弹簧压力室的通气或排气。在此,该控制阀组件的操纵通过同样布置在空气弹簧内的控制元件进行,该控制元件作用于两个可相对彼此运动的空气弹簧结构组件中的一个上,即作用于滚动管或外管上。该控制元件具有短于该空气弹簧行程长度的作用长度并且由弹簧抵着可相对彼此运动的所述空气弹簧结构组件中的一个进行预紧。此外,该控制元件相对于两个空气弹簧结构组件浮动地被支承,其方式是,第二弹簧一起确定控制元件的位置,该第二弹簧的力方向与前述第一弹簧方向相反地起作用。通过浮动的支承同样可能在整个使用寿命期间产生未限定的切换状态。这意味着,弹簧压力室的通气或排气不像希望的那样在空气弹簧组件的限定的行程位置处可靠地被触发。
DE 100 03 054 A1公开了另一空气弹簧组件,其具有集成的控制阀组件以及用于操纵该控制阀组件的机械操纵器件。该操纵器件具有滑动轨道并且作用在两个可相对彼此运动的空气弹簧结构组件中的一个上。控制阀组件在此共同作用地构造为旋转滑阀,其中,操纵器件的滑动轨道实施成比该空气弹簧的行程长度短,并且,操纵器件与承载该操纵器件的空气弹簧结构组件处于可松开的作用连接中。虽然通过这种机构可实现更准确的阀操纵,但并非在整个空气弹簧行程上进行阀操纵,使得至少在极限的终端位置可能出现未限定的切换位置。
发明内容
因此,本发明的任务是,进一步改善这种类型的具有集成的控制阀组件的空气弹簧组件,使得在整个使用寿命期间,在所有的行程位置中保证弹簧压力室的可靠的充气和排气。
该任务以根据本发明的空气弹簧组件为出发点,接合本发明的特征来解决。根据本发明的具有集成的控制阀组件的空气弹簧组件用于以压缩空气加载弹簧压力室,该弹簧压力室形成于外管、滚动管和连接这些构件的空气弹簧气囊之间,其中,所述控制阀组件由单个通气阀和单个排气阀组成,所述通气阀和所述排气阀能通过同样集成的机械操纵器件按照空气弹簧行程位置***纵,用于所述弹簧压力室的充气或排气,其特征在于,所述通气阀布置成与所述排气阀对置,以操纵推杆面向彼此,其中,位于所述操纵推杆之间作用于所述操纵推杆上的机械操纵器件包括在单侧安装在所述外管或滚动管上的切换杆,该切换杆的对置的并且分别配属给所述操纵推杆中的一个的滑动轨道作用于所述操纵推杆上,用于根据行程位置进行阀操纵。
本发明包含以下技术教导:控制阀组件的通气阀布置成与排气阀对置,以操纵推杆面向彼此,其中,在这些操纵推杆之间作用于操纵推杆之上的机械操纵器件包括在一端安装在外管或滚动管上的切换杆,该切换杆的相互对置并且分别配属给这些操纵推杆中的一个的滑动轨道作用在这些操纵推杆上,用于根据行程位置进行阀操纵。
根据本发明的解决方案的优点尤其在于:通过将机械操纵器件无弹簧地耦合到控制阀组件上,与此相关的制造公差和疲劳现象对于控制阀组件的切换状态没有影响。在整个空气弹簧行程上,通气阀和排气阀的切换位置并且尤其是相对彼此的切换位置始终被限定,使得尤其在切换位置转换时也不会出现溢流损失。根据本发明的解决方案形成一种对阀操纵的强制导向,该强制导向可用构件技术上的小的耗费实现。
在特别节省安装空间的解决方案方面提出,所述通气阀和排气阀的操纵推杆布置为相互成钝角,以便将阀组件集成在滚动管区域中。该钝角在此相对于空气弹簧组件的纵轴线水平地位于柱形的滚动管内并从而利用存在于其中的空心柱体部段形的安装空间来节省位置地安置控制阀组件。该控制阀组件也可集成到柱形的滚动管的相应地厚的壁部中。
优选,所述通气阀和排气阀构造为弹簧复位的单稳态二位二通滑阀。复位弹簧在此用于将操纵推杆挤压到切换杆的所配属的滑动轨道上。通过将控制阀组件分为构造有简单的阀功能的两个单阀,可获得特别稳健的构造。
根据另一改进本发明的措施提出,切换杆通过关节组件或类似物在单侧安装在空气弹簧组件的外管或滚动管上,用于补偿外管与滚动管之间的非轴向相对运动。通过借助所述关节组件将切换杆耦合,在空气弹簧组件运行期间出现的相对运动能被补偿,而不会由此影响阀操纵的精确性。
根据另一改进本发明的措施,这种在单侧关节式地安装在外管或滚动管上的切换杆在对置的结构组件(即滚动管或外管)上沿着纵向运动被导向。这例如可这样进行,即切换杆在保持小的间隙配合的情况下伸入到相对应的槽口中。该间隙配合在此这样确定尺寸,使得一方面不会妨碍切换杆的轴向运动而另一方面存在尽可能小的配合间隙,以保证阀操纵的精确性。
在所述切换杆的分别配属给所述两个阀的滑动轨道的构型方面提出,配属给通气阀的上轨道区段设置用于在空气弹簧组件的低的行程位置的区域中开启该通气阀,而排气阀通过与该轨道区段对置的轨道区段保持不***纵。这在弹簧负载增大和/或在对于有效的空气弹簧而言不再存在足够的压缩空气的情况下引起弹簧压力腔被再次充注以压缩空气。
另一方面,切换杆的滑动轨道包括:配属给排气阀的下轨道区段,该下轨道区段用于在高的空气弹簧行程位置的区域中开启排气阀;和与该下轨道区段对置的轨道区段,用于维持通气阀的关闭位置。在此,如果弹簧负载变小并且就此而言对于希望的空气弹簧程度来说在弹簧压力腔内存在过高的空气压力,压缩空气就可由弹簧压力腔排出。
在之前提到的过低的空气弹簧行程位置的区域与过高的空气弹簧行程位置的区域之间,在切换杆的滑动轨道的中间轨道区段的区域中,通气阀以及排气阀保持在关闭位置中。这在弹簧压力室既不需要通气也不需要排气的正常的空气弹簧运行期间进行,因为存在希望的弹簧特性。
为了简化阀操纵,根据另一改进本发明的措施提出,在切换杆的滑动轨道和配属的操纵推杆的端侧之间布置有滚子元件。该滚子元件例如可为呈钢制柱形元件或球形元件形式的滚子支承元件。
附图说明
下文根据附图对本发明的优选实施例进行描述并结合该描述详细阐述改进本发明的其他措施。附图示出:
图1具有集成的控制阀组件的空气弹簧组件的示意图,
图2处于高的空气弹簧行程位置中的控制阀组件的示意图,
图3处于低的空气弹簧行程位置中的空气弹簧组件的示意图,
图4处于中间的空气弹簧行程位置中的空气弹簧组件的示意图。
具体实施方式
根据图1,所述空气弹簧组件主要由具有上固定环2的外管1以及具有下固定环4的滚动管3组成,该上固定环用于安装在未进一步示出的商用车的驾驶室上,该下固定环用于安装在商用车车架上的空气弹簧组件中。外管1与滚动管3通过空气弹簧气囊5连接,使得在外管1、滚动管3和空气弹簧气囊5之间形成弹簧压力室6。该空气弹簧与集成的液压减振器7共同作用,该减振器用于缓冲簧载质量。
所述空气弹簧组件的弹簧压力室6可通过集成的控制阀组件根据负载被加载以压缩空气,该控制阀组件由单个通气阀8和单个排气阀9组成。该通气阀8和该排气阀9能通过同样集成的机械操纵器件按照空气弹簧行程位置来进行操控,该机械操纵器件呈安装在外管1侧的切换杆10的形式。
根据图2,排气阀9布置成与通气阀8对置,以操纵推杆8a和9a面向彼此。可与此成直角地沿着空气弹簧行程运动的切换杆10具有两个在其上对置地构造的滑动轨道11a和11b。滑动轨道11a配属给通气阀8并且与该通气阀的操纵推杆8a共同作用,而对置的滑动轨道11b与排气阀9通过该排气阀的操纵推杆9a共同作用。切换杆10的滑动轨道11a和11b在整个空气弹簧行程上延伸,以便始终保证控制阀组件的限定的切换位置。
在单侧通过球形关节组件12安装在外管1上的切换杆10在滚动管3侧通过导向通道13沿着纵向运动被导向。通气阀8和排气阀9构造为弹簧复位的单稳态二位二通滑阀。分别集成的复位弹簧8c或9c对配属给它们的操纵推杆8a或9a加载,所述操纵推杆8a或9a通过滚子支承元件8b或9b贴靠在切换杆10的所配属的轨道11a或11b上。在此示出的切换位置中,下轨道区段11b′在高的空气弹簧行程位置的区域中开启排气阀9。对置的轨道区段11a′不开启通气阀8,由此实施弹簧压力室的排气。
在图3中示出的切换位置中,切换杆10在低的空气弹簧行程位置的区域中通过上轨道区段11a″开启通气阀8。与该轨道区段11a″对置的轨道区段11b″用于维持排气阀9的关闭位置。由此,在示出的低的空气弹簧行程位置中使弹簧压力室充气。
根据图4,在切换杆10的在两侧位于下部的轨道区段11a′和11b′与该切换杆的在两侧位于上部的轨道区段11a″和11b″之间设置有在两侧位于中间的轨道区段11a″′和11b″′。在该中间轨道区段11a″′和11b″′中,通气阀8以及排气阀9都被保持在各自的关闭位置中。切换杆10的中间轨道区段11a″′和11b″′相应于中间的空气弹簧行程位置,在该中间的空气弹簧行程位置中,既不实施弹簧压力室的排气也不实施弹簧压力室的充气。
本发明不局限于上述优选实施例。而是也可设想这些实施例的由后面的本发明保护范围所包括的变型。因此例如也可能的是:控制阀组件不是集成在滚动管3侧,而是集成在外管1侧,并且,操纵该控制阀组件的切换杆10集成在滚动管1侧。
附图标记列表
1 外管
2 固定环
3 滚动管
4 固定环
5 空气弹簧气囊
6 弹簧压力室
7 减振器
8 通气阀
9 排气阀
10 切换杆
11 滑动轨道(区段)
12 球形关节组件
13 导向通道
A 工作管路接头
P 供压接头
R 排气接头
Claims (12)
1.具有集成的控制阀组件的空气弹簧组件,该空气弹簧组件用于以压缩空气加载弹簧压力室(6),该弹簧压力室形成于外管(1)、滚动管(3)和连接这些构件的空气弹簧气囊(5)之间,其中,所述控制阀组件由单个通气阀(8)和单个排气阀(9)组成,所述通气阀和所述排气阀能通过同样集成的机械操纵器件按照空气弹簧行程位置***纵,用于所述弹簧压力室(6)的充气或排气,
其特征在于,所述通气阀(8)布置成与所述排气阀(9)对置,以操纵推杆(8a;9a)面向彼此,其中,位于所述操纵推杆之间作用于所述操纵推杆上的机械操纵器件包括在单侧安装在所述外管(1)或滚动管(3)上的切换杆(10),该切换杆的对置的并且分别配属给所述操纵推杆(8a;9a)中的一个的滑动轨道(11a,11b)作用于所述操纵推杆(8a;9a)上,用于根据行程位置进行阀操纵。
2.根据权利要求1所述的空气弹簧组件,其特征在于,所述切换杆(10)的滑动轨道(11a,11b)在整个空气弹簧行程上延伸。
3.根据权利要求1所述的空气弹簧组件,其特征在于,通气阀(8)和排气阀(9)的操纵推杆(8a,9a)布置在大致垂直于弹簧方向的平面中并且布置为相互成水平钝角,以将阀组件集成在柱形的滚动管(3)的区域中。
4.根据权利要求1所述的空气弹簧组件,其特征在于,所述通气阀(8)和所述排气阀(9)以滑阀构造方式或座阀构造方式构造为弹簧复位的单稳态二位二通阀。
5.根据权利要求1所述的空气弹簧组件,其特征在于,所述通气阀(8)的和/或所述排气阀(9)的被打开的通流横截面根据所述操纵推杆(8a;9a)的线性运动改变。
6.根据权利要求1所述的空气弹簧组件,其特征在于,所述切换杆(10)通过与所述空气弹簧组件的纵向轴线同轴的球形关节组件(12)在单侧安装在所述外管(1)或滚动管(3)上,用于补偿外管(1)与滚动管(3)之间的非轴向相对运动。
7.根据权利要求1所述的空气弹簧组件,其特征在于,在单侧关节式地安装在所述外管(1)或滚动管(3)上的切换杆(10)在所述滚动管(3)或外管(1)上通过导向通道(13)沿着纵向运动被导向。
8.根据权利要求1所述的空气弹簧组件,其特征在于,所述切换杆(10)的滑动轨道(11a,11b)包括配属给所述通气阀(8)的上轨道区段(11a″)和与该上轨道区段对置的轨道区段(11b″),所述上轨道区段用于在低的空气弹簧行程位置的区域中开启所述通气阀(8),与该上轨道区段对置的所述轨道区段用于维持所述排气阀(9)的关闭位置。
9.根据权利要求1所述的空气弹簧组件,其特征在于,所述切换杆(10)的滑动轨道(11a,11b)包括配属给所述排气阀(9)的下轨道区段(11b′)和与该下轨道区段对置的轨道区段(11a′),所述下轨道区段用于在高的空气弹簧行程位置的区域中开启所述排气阀(9),与该下轨道区段对置的所述轨道区段用于维持所述通气阀(8)的关闭位置。
10.根据权利要求1所述的空气弹簧组件,其特征在于,所述切换杆(10)的滑动轨道(11a,11b)包括配属给所述通气阀(8)的上轨道区段(11a″)和与该上轨道区段对置的轨道区段(11b″),所述上轨道区段用于在低的空气弹簧行程位置的区域中开启所述通气阀(8),与该上轨道区段对置的所述轨道区段用于维持所述排气阀(9)的关闭位置;所述切换杆(10)的滑动轨道(11a,11b)包括配属给所述排气阀(9)的下轨道区段(11b′)和与该下轨道区段对置的轨道区段(11a′),所述下轨道区段用于在高的空气弹簧行程位置的区域中开启所述排气阀(9),与该下轨道区段对置的所述轨道区段用于维持所述通气阀(8)的关闭位置;以及通过所述与该上轨道区段对置的轨道区段和与该下轨道区段对置的轨道区段,所述通气阀(8)和/或所述排气阀(9)虽然与弹簧组件的行程运动有关地被开启或关闭,但并不与弹簧组件的行程运动成线性比例地被开启或关闭。
11.根据权利要求1所述的空气弹簧组件,其特征在于,所述切换杆(10)的滑动轨道(11a,11b)包括配属给所述通气阀(8)的上轨道区段(11a″)和与该上轨道区段对置的轨道区段(11b″),所述上轨道区段用于在低的空气弹簧行程位置的区域中开启所述通气阀(8),与该上轨道区段对置的所述轨道区段用于维持所述排气阀(9)的关闭位置;所述切换杆(10)的滑动轨道(11a,11b)包括配属给所述排气阀(9)的下轨道区段(11b′)和与该下轨道区段对置的轨道区段(11a′),所述下轨道区段用于在高的空气弹簧行程位置的区域中开启所述排气阀(9),与该下轨道区段对置的所述轨道区段用于维持所述通气阀(8)的关闭位置;以及在下轨道区段和上轨道区段之间设置有中间轨道区段(11a″′,11b″′),该中间轨道区段使所述通气阀(8)和所述排气阀(9)在中间的空气弹簧行程位置中保持在关闭位置中。
12.根据权利要求1所述的空气弹簧组件,其特征在于,在所述切换杆(10)的滑动轨道(11a;11b)与配属的操纵推杆(8a;9a)的端侧之间布置有滚子元件(8b;9b)。
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US5649692A (en) * | 1994-03-18 | 1997-07-22 | Fichtel & Sachs Ag | Vibration damper and pneumatic suspension system |
FR2791003B1 (fr) * | 1999-03-16 | 2005-08-19 | Mannesmann Sachs Ag | Installation de suspension pneumatique |
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BR112016017297B1 (pt) | 2022-02-22 |
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WO2015114133A1 (de) | 2015-08-06 |
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