CN101646879B - 气动减震支座 - Google Patents
气动减震支座 Download PDFInfo
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- CN101646879B CN101646879B CN2008800079726A CN200880007972A CN101646879B CN 101646879 B CN101646879 B CN 101646879B CN 2008800079726 A CN2008800079726 A CN 2008800079726A CN 200880007972 A CN200880007972 A CN 200880007972A CN 101646879 B CN101646879 B CN 101646879B
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/20—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper characterised by comprising also a pneumatic spring
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/085—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper characterised by features of plastics springs; Attachment arrangements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Support Of The Bearing (AREA)
- Vibration Prevention Devices (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
本发明提供一种气动减震支座,尤其用于机动车辆的发动机支座,包括由弹性体材料制成的托簧(12),该托簧(12)用于支撑座芯(13)并且界定工作腔(11)。该工作腔(11)中充有气体尤其空气,并且该工作腔(11)通过喷口(18)与周围环境连通。为了使支座在工作腔(11)闭合后能进一步变形,设有由弹性体材料制成的增进元件(17),该增进元件(17)布置在托簧(12)对面并与后者一起界定所述工作腔(11)。
Description
技术领域
本发明涉及气动减震支座,特别涉及用于机动车辆的发动机支座,其包括由弹性体材料制成的托簧,该托簧支撑座芯并且界定出工作腔,其中,该工作腔中充有气体尤其空气,并且工作腔通过喷口与周围环境或其它腔室连通。
背景技术
从德国专利申请公开号DE-A10,2004,008,401中知道了这种气动减震支座。托簧具有宽而平的横截面形状,用于实现具有尽可能大的泵送横截面的小工作腔体积。
德国专利申请公开号DE-A199,52,638公开了一种空气弹簧支座,其中工作腔室一侧由托簧界定,另一侧由阻尼板界定。泡沫层覆盖在阻尼板的整个表面上并与之粘接。泡沫层用于隔绝振幅小的干扰振动。喷嘴通道设在阻尼板中,用于连通工作腔和周围环境。
发动机支座必须满足力-位移特性曲线,以在特定负载下仍然能达到最佳隔离。这意味着托簧能实现大变形。然而,这种要求不允许被最佳应用于空气减震,因为其体积会因此变得太大。
发明内容
因此,本发明的目的是提供一种能避免上述问题的气动减震支座。
为实现该目的,对文首所述类型的气动减震支座提供由弹性体材料制成的增进元件,该增进元件布置在托簧的对面并与托簧一起界定工作腔。
在根据本发明的支座中,所要求的力-位移特性曲线由托簧和增进元件生成。如果托簧在其工作点附近工作,则工作腔在增进元件与托簧之间被压缩。因为增进元件因使用弹性体材料而有足够的体积刚性,所以在空气通过设在增进元件中的喷口排出时得到缓冲减震效果。随着准静态负载的增加,工作腔体积减小,直至它完全闭合,并且托簧的底面完全接触到增进元件的顶面上。如果进一步施力,则增进元件弹性变形。当负载进一步增大时,准静态刚度增加,直至最终达到最大位移。
优选实施例是从属权利要求的主题。
优选的是,增进元件在其远离工作腔的侧面具有至少一个空气腔。因而,当增进元件变形时,实现了其柔度的增加。
在此,空气腔优选包括在增进元件中形成的槽状凹穴。槽状凹穴可以旋转对称地形成。
在一个优选实施例中,喷口设在增进元件中。
在一个优选实施例中,托簧和增进元件被容纳在杯形壳体中。
优选地,通风口设在壳体中空气腔的区域处,以利于被排出的空气的通风。
优选地,空气腔通过喷口与工作腔连通。喷口在正高压和负高压下起压力安全阀的作用。
在一个优选实施例中,增进元件形成一体固化件形式。
在一个优选实施例中,增进元件具有一体形成的安装凸缘,特别用于卡固在壳体中。
在此情况下,喷嘴可以设置在安装区域中。
在另一个实施例中,增进元件被固化到或粘附在壳体上。
附图说明
在下文中,将会参考在附图中示意性示出的示例实施例以更详细地解释本发明,其中:
图1是根据本发明的支座的第一实施例的竖直剖视图;
图2是根据本发明的支座的第二实施例的竖直剖视图;
图3是根据本发明的支座的第三实施例的竖直剖视图;
图4是根据本发明的支座的第四实施例的竖直剖视图;
图5是根据本发明的支座的力-位移特性曲线。
具体实施方式
图1所示的气动减震支座10用于装载机动车辆的发动机(未示出)。支座10具有由弹性体材料、尤其橡胶制成的托簧12。座芯13包含用于装设在发动机上的竖直突出的螺栓14且被固化至托簧12中。
托簧12在其外周缘处支撑在杯形壳体15上,该杯形壳体包括用于连接到车体上的径向突出的凸缘16。不过,在此成旋转对称形状但也可以有不同的横截面形状的壳体15居中具有孔20。具有安装凸缘19的、由弹性体材料制成的增进元件17被容纳在壳体15中。为了固定增进元件17,在增进元件上设有卡固至壳体的孔20中的安装凸缘19。
增进元件17具有顶面17a,顶面17a和与之间隔开的托簧12底面12a一起界定工作腔11。充有空气的工作腔11通过穿过安装凸缘19的喷口18与周围环境相连通。
增进元件17在其远离工作腔11的底面17b具有由槽状凹穴22形成的空气腔21。通过空气腔21,提高了增进元件17在承压时的柔度。
以下将参见图5所示的力-位移特性曲线来描述支座10的工作。由于有要由托簧12承受的静态预负载,所以产生托簧12的弹簧压力z0。如果托簧12在工作点附近工作,则工作腔11在增进元件17与托簧12之间被压缩。因为增进元件17因使用弹性体材料而有足够的体积刚性,所以通过喷口18排出空气而产生阻尼缓冲效果。随着负载在施压方向上增大,工作腔11体积减小,直至其完全闭合,并且托簧12的底面12a与增进元件17的顶面17a完全相接。在力-位移特性曲线中,弹性变形效果以z1表示。当进一步施压时,增进元件17被压缩,其中空气腔21导致准静态刚性增大,直至最终达到最大位移。因而在工作腔11闭合之后,增进元件17容许支座进一步变形。
图2至图4表示其它实施例,在对其描述时用已加入的附图标记来表示相同或等同的零部件。
图2所示的气动减震支座10具有容纳在壳体15中的增进元件17。增进元件17通过粘接固定在壳体15上。多个孔23a、23b设在壳体15的底部15a,它们使增进元件17的空气腔21与周围环境连通。因此可以实现增进元件17的特别高的柔度。
在如图3所示支座10中,增进元件17具有空气腔21,工作腔11通过喷口24与空气腔21连通。喷口24在高压和负压下起到压力安全阀的作用。
图4表示另一个实施例,其中增进元件17具有与壳体的孔20连通的中央喷口18。在此,喷口成开缝薄膜的形式。
本发明支座的上述所有示例性实施例的区别特征在于,通过使用增进元件17,有利于在工作腔11闭合后支座10的进一步变形。随着负载进一步增加,准静态刚性因此会增加,直至最终达到最大位移。
附图标记列表
10支座;11工作腔;12托簧;13座芯;14螺栓;15壳体;16凸缘;17增进元件;18喷口;19安装凸缘;20孔;21空气腔;22凹穴;23孔。
Claims (8)
1.一种用于机动车辆的气动减震支座(10),包括由弹性体材料制成的托簧(12),该托簧用于支撑座芯(13)并界定工作腔(11),在该工作腔(11)中充有气体,并且该工作腔(11)通过喷口(18)与周围环境或其它腔室连通,设有由弹性体材料制成的增进元件(17),该增进元件(17)布置在该托簧(12)的对面并与该托簧一起界定所述工作腔(11),该托簧(12)和该增进元件(17)容纳在杯形壳体(15)中,其特征是,该增进元件(17)在远离工作腔(11)的底侧(17b)与壳体(15)一起界定空气腔(21),该壳体(15)具有孔(20),该增进元件(17)具有一体形成的且用于卡固在该壳体(15)的孔(20)中的安装凸缘(19),在该壳体(15)上在该空气腔(21)的区域中设有通风孔(23a,23b),该喷口(18)设置在该增进元件(17)中。
2.根据权利要求1所述的支座,其特征是,该空气腔(21)具有在该增进元件(17)中形成的槽状凹穴(22)。
3.根据权利要求1或2所述的支座,其特征是,该空气腔(21)通过喷口(24)与该工作腔连通。
4.根据权利要求1或2所述的支座,其特征是,该增进元件(17)成一体固化件的形式。
5.根据权利要求1或2所述的支座,其特征是,该喷口(18)设置在该安装凸缘(19)中。
6.根据权利要求1或2所述的支座,其特征是,该增进元件(17)被固化或粘接在该壳体(15)中。
7.根据权利要求1或2所述的支座,其特征是,所述用于机动车辆的气动减震支座是发动机支座。
8.根据权利要求1或2所述的支座,其特征是,所述气体是空气。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007012158A DE102007012158B4 (de) | 2007-03-12 | 2007-03-12 | Pneumatisch dämpfendes Lager |
DE102007012158.1 | 2007-03-12 | ||
PCT/EP2008/052745 WO2008110506A1 (de) | 2007-03-12 | 2008-03-07 | Pneumatisch dämpfendes lager |
Publications (2)
Publication Number | Publication Date |
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CN101646879A CN101646879A (zh) | 2010-02-10 |
CN101646879B true CN101646879B (zh) | 2012-01-04 |
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Application Number | Title | Priority Date | Filing Date |
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CN2008800079726A Expired - Fee Related CN101646879B (zh) | 2007-03-12 | 2008-03-07 | 气动减震支座 |
Country Status (10)
Country | Link |
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US (1) | US8348250B2 (zh) |
EP (1) | EP2132456B1 (zh) |
JP (1) | JP5036832B2 (zh) |
KR (1) | KR101411567B1 (zh) |
CN (1) | CN101646879B (zh) |
BR (1) | BRPI0808850A2 (zh) |
DE (1) | DE102007012158B4 (zh) |
ES (1) | ES2426355T3 (zh) |
IN (1) | IN2009DN05761A (zh) |
WO (1) | WO2008110506A1 (zh) |
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KR101551952B1 (ko) | 2010-09-29 | 2015-09-09 | 현대자동차주식회사 | 공압식 엔진마운트 |
US8814150B2 (en) * | 2011-12-14 | 2014-08-26 | Xenith, Llc | Shock absorbers for protective body gear |
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CN102691746B (zh) * | 2012-06-06 | 2015-04-22 | 宁波拓普集团股份有限公司 | 一种汽车发动机液压悬置 |
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US8720921B1 (en) * | 2012-10-30 | 2014-05-13 | SuperSprings International, Inc. | Vehicular suspension enhancement |
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US6199837B1 (en) * | 1998-05-01 | 2001-03-13 | Bridgestone/Firestone, Inc. | Thermoplastic elastomer air spring |
DE102004035677B4 (de) * | 2004-07-22 | 2014-02-27 | Carl Freudenberg Kg | Stützlager mit mindestens zwei miteinander verbundenen Kammern |
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2007
- 2007-03-12 DE DE102007012158A patent/DE102007012158B4/de not_active Withdrawn - After Issue
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2008
- 2008-03-07 IN IN5761DEN2009 patent/IN2009DN05761A/en unknown
- 2008-03-07 KR KR1020097019180A patent/KR101411567B1/ko active IP Right Grant
- 2008-03-07 WO PCT/EP2008/052745 patent/WO2008110506A1/de active Application Filing
- 2008-03-07 CN CN2008800079726A patent/CN101646879B/zh not_active Expired - Fee Related
- 2008-03-07 BR BRPI0808850-0A patent/BRPI0808850A2/pt not_active IP Right Cessation
- 2008-03-07 EP EP08717492.6A patent/EP2132456B1/de not_active Not-in-force
- 2008-03-07 JP JP2009553117A patent/JP5036832B2/ja not_active Expired - Fee Related
- 2008-03-07 ES ES08717492T patent/ES2426355T3/es active Active
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DE19952638A1 (de) * | 1999-10-22 | 2001-04-26 | Wolf Woco & Co Franz J | Gedämpftes Federelement |
DE102004008401A1 (de) * | 2004-02-20 | 2005-09-08 | Trelleborg Automotive Technical Centre Gmbh | Pneumatisch dämpfendes Lager |
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Also Published As
Publication number | Publication date |
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US8348250B2 (en) | 2013-01-08 |
IN2009DN05761A (zh) | 2015-07-24 |
ES2426355T3 (es) | 2013-10-22 |
KR101411567B1 (ko) | 2014-06-25 |
EP2132456A1 (de) | 2009-12-16 |
JP5036832B2 (ja) | 2012-09-26 |
JP2010520982A (ja) | 2010-06-17 |
DE102007012158A1 (de) | 2008-09-25 |
CN101646879A (zh) | 2010-02-10 |
EP2132456B1 (de) | 2013-06-05 |
WO2008110506A1 (de) | 2008-09-18 |
KR20090120488A (ko) | 2009-11-24 |
DE102007012158B4 (de) | 2009-11-26 |
BRPI0808850A2 (pt) | 2014-09-02 |
US20100025902A1 (en) | 2010-02-04 |
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