CN106163840B - 具有双组分部件的盖罩的弹簧减震支柱轴承 - Google Patents
具有双组分部件的盖罩的弹簧减震支柱轴承 Download PDFInfo
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- B60—VEHICLES IN GENERAL
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/70—Materials used in suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
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Abstract
本发明涉及一种弹簧减震支柱轴承,其具有盖罩(1)和相对于盖罩(1)能围绕转动轴线(D)转动地支承的导向环(2),其中,在盖罩(1)与导向环(2)之间布置有推力轴承(3),其中,盖罩(1)包括软组分部件(4)和硬组分部件(5),并且其中,软组分部件(4)还具有至少两个环绕的密封唇(6a、6b),为了对推力轴承进行密封,环绕的密封唇滑磨地贴靠在导向环上。根据本发明,软组分部件(4)构造在硬组分部件(5)的、指向导向环(2)的端面上,并且硬组分部件(5)的、与该软组分部件反向定向的端面具有型廓(7)。
Description
技术领域
本发明涉及一种弹簧减震支柱轴承,其具有盖罩和相对于盖罩能围绕转动轴线转动地支承的导向环,其中,在盖罩与导向环之间布置有推力轴承,其中,盖罩包括软组分部件和硬组分部件,并且其中,软组分部件还具有至少两个环绕的密封唇,为了密封推力轴承,环绕的密封唇滑磨地贴靠在导向环上。
背景技术
弹簧减震支柱轴承是在独立悬架的情况下的车轮悬架的一部分。车轮悬架支持所力争达到的行驶安全性和行驶舒适性,以及支持车轮的轻松且准确的转向。车轮悬架应当防止结构受到车道噪音而且是尽可能轻的。视实施方案而定,弹簧减震支柱轴承引导避震器弹簧并构成用于避震器端部止挡的支撑面。弹簧减震支柱轴承吸收经由避震器弹簧或避震器传递的径向和轴向力,并提供了在转向和弹回时低摩擦和无张紧地扭转避震器弹簧,如此无复位力矩地工作。
弹簧减震支柱轴承通常是所谓的麦弗逊(McPherson)减震支柱的一部分。减震支柱基本上由弹簧、避震器和转向节组成。弹簧减震支柱轴承设有盖罩以及导向环,盖罩固定在底盘侧的减震支柱拱座上,避震器弹簧支承在导向环上并通过该导向环引导。导向环能相对于盖罩转动地支承。在转向时,轴承能够实现弹簧相对于车身转动,这是因为在转向运动时,整个减震支柱转动。
由DE 10 2006 057 559 A1公知了一种弹簧减震支柱轴承,其具有由软组分部件和硬组分部件构成的盖罩和能相对于盖罩转动的导向环。在盖罩与导向环之间布置有推力轴承。软组分部件被构造为密封元件,该密封元件从盖罩内圆周延伸至外圆周。软组分部件具有两个密封唇。这些密封唇滑磨地贴靠在导向环上。因为软组分部件布置在硬组分部件的指向拱座轴承(Domlager)的端面上,因此在硬组分部件与拱座轴承之间无法实现硬组分部件的型廓与拱座轴承型廓的协调一致,以借此能够实现弹簧减震支柱轴承最佳地贴靠到拱座轴承上。相反,拱座轴承的型廓侵入到软组分部件中并且在不利状况下甚至会造成损伤。
发明内容
因而本发明任务是进一步改进弹簧减震支柱轴承,以便实现弹簧减震支柱轴承最佳地贴靠到拱座轴承上,并且能够实现简单且廉价地制造弹簧减震支柱轴承,尤其是盖罩。
根据本发明的软组分部件构造在硬组分部件的、指向导向环的端面上,并且硬组分部件的、与该软组分部件反向定向的端面具有型廓。换而言之,软组分部件在硬组分部件与导向环之间延伸,由此,盖罩的贴靠在拱座轴承上的端面仅由硬组分部件形成。由此可以实现弹簧减震支柱轴承最佳地贴靠到拱座轴承上。此外,这也允许了简单且廉价地制造弹簧减震支柱轴承,尤其是盖罩。为此在第一制造步骤中,以注塑技术来制造硬组分部件,并且在接下来的第二制造步骤中,以注塑技术在硬组分部件的指向导向环的端面上制造软组分部件。贴靠在拱座轴承上的端面的型廓由此可以几乎任意地设计。
优选地,硬组分部件的端面的型廓与贴靠在该型廓上的拱座轴承的型廓互补地构成。这意味着,拱座轴承的端面上的型廓内的凸起部嵌入到硬组分部件的端面上的型廓内的凹陷部中。
此外,在硬组分部件的端面上的型廓优选具有用于螺栓元件的至少一个留空部。由此取消了用于容纳螺栓元件的复杂的拱座轴承设计。取而代之地,螺栓元件,尤其是螺帽被硬组分部件内的至少一个留空部容纳。
根据实施例,环绕的第一密封唇贴靠在导向环的外圆周面上,并且环绕的第二密封唇贴靠在导向环的内圆周面上。因而,软组分部件包围推力轴承,并经由两个密封唇滑磨地在导向环上密封。
优选地,环绕的第二密封唇呈钩状地构造,并且布置在导向环上的环绕的凹槽内。由此,盖罩可以钩到导向环上并轴向地通过该卡接固定。
特别优选地,除了环绕的第一密封唇之外,环绕的第三密封唇也贴靠在导向环的外圆周面上。在此,环绕的第三密封唇尤其被用于防止外部粗颗污物地进行密封,从而整体提高密封效果。
本发明包含这样的技术教导,即,环绕的第一密封唇经由至少两个接片与环绕的第二密封唇相连。基于环绕的第一密封唇与环绕的第二密封唇之间的至少两个接片,软组分部件可以在一个制造步骤中制造。此外,至少两个接片提供了软组分部件与硬组分部件之间经改善的保持力。
根据优选的实施例,软组分部件具有至少两个轴向的固定部,其完全填满在硬组分部件内的至少两个为此所设置的留空部。换而言之,硬组分部件具有至少两个留空部,它们在进行软组分部件注塑期间被软组分部件填充。至少两个留空部在此具有与流动通道不同的形状,尤其是具有更大的直径,以便能够实现软组分部件在硬组分部件内的轴向固定。
根据另一优选的实施例,软组分部件由Elastolan材料制造,而硬组分部件由聚胺材料制造。聚胺材料基于其刚性特别良好地适用于承受力,而Elastolan材料基于其弹性特别良好地适用于密封。
附图说明
本发明其他细节和特征由以下说明结合附图得到。其中:
图1示出根据优选实施例的根据本发明的弹簧减震支柱轴承的立体剖面图;
图2从第二视角示出根据图1的根据本发明的弹簧减震支柱轴承的立体剖面图;以及
图3示出根据图1和图2的根据本发明的盖罩的立体剖面图。
具体实施方式
根据图1和2的图示示出了根据本发明的弹簧减震支柱轴承。其具有盖罩1以及由玻璃纤维增强的塑料制成的导向环2。导向环相对于盖罩1能围绕转动轴线D转动地支承。盖罩1布置在机动车底盘的(在此未示出的)拱座轴承上。在此以端面贴靠在拱座轴承上。导向环2容纳(在此未示出的)避震器弹簧的轴向端部。避震器弹簧的弹簧力经由导向环2传导到盖罩1中并从那里传导到拱座轴承中。
导向环2经由推力轴承3轴向地沿转动轴线D的方向支承在盖罩1上。推力轴承3被用作将沿转动轴线D作用的力从导向环2传递到盖罩1上。在此,推力轴承3具有多个支承在两个轴承环13a、13b之间的滚动体14。
盖罩1被构造为呈环形的双组分部件构件并且包括由Elastolan材料构成的软组分部件4和由聚胺材料构成的硬组分部件5。盖罩1优选按照双组分注塑法制造。在其中,首先预喷注硬组分部件5,而软组分部件4在形成材料锁合(Stoffschluss)的情况下后喷注。在此,软组分部件4构造在硬组分部件5的指向导向环2的端面上。
硬组分部件5的贴靠在拱座轴承上的端面具有型廓7,该型廓由凸起部和凹陷部冲压。硬组分部件5的端面的型廓7与贴靠在该型廓上的拱座轴承的型廓互补地构成。这意味着,盖罩1进而整个弹簧减震支柱轴承最佳地贴靠在拱座轴承上,并且由此能够最佳地传递避震器弹簧的弹簧力。此外,在硬组分部件5的端面上的型廓7具有两个分别用于螺栓元件的留空部10a、10b。
软组分部件4构成弹簧减震支柱轴承的密封件并且包括三个环绕的密封唇6a、6b、6c。环绕的第一密封唇6a贴靠在导向环2的外圆周面上,环绕的第二密封唇6b贴靠在导向环2的内圆周面上。在此,环绕的第二密封唇6b呈钩状地构成并且在环绕的凹槽11内贴靠在导向环2上。由此,盖罩1借助卡接与导向环2相连。环绕的第三密封唇6c直接构造在环绕的第一密封唇6a旁边,并且同样贴靠在导向环2的外圆周面上。此外,软组分部件4具有五个轴向的固定部9a-9e,它们完全填满了在硬组分部件5内的五个为此所设置的留空部12a-12e。由此,防止了软组分部件4轴向松开。
根据图3,环绕的第一和第三密封唇6a、6c经由五个接片8a-8e与环绕的第二密封唇6b相连。用于接片8a-8e的流动通道在硬组分部件5的指向导向环2的端面上延伸,由此,使软组分部件4构造在导向环2和硬组分部件5之间。
附图标记列表
1 盖罩
2 导向环
3 推力轴承
4 软组分部件
5 硬组分部件
6a-6c 密封唇
7 型廓
8a-8e 接片
9a-9e 轴向固定部
10a、10b 留空部
11 凹槽
12 留空部
D 转动轴线
Claims (7)
1.一种弹簧减震支柱轴承,所述弹簧减震支柱轴承具有盖罩(1)和相对于所述盖罩(1)能围绕转动轴线(D)以转动的方式支承的导向环(2),其中,在所述盖罩(1)与所述导向环(2)之间布置有推力轴承(3),其中,所述盖罩(1)包括软组分部件(4)和硬组分部件(5),并且其中,所述软组分部件(4)还具有至少两个环绕的密封唇(6a、6b),环绕的第一密封唇(6a)贴靠在所述导向环(2)的外圆周面上,而环绕的第二密封唇(6b)贴靠在所述导向环(2)的内圆周面上,为了对所述推力轴承(3)进行密封,所述环绕的密封唇以滑磨的方式贴靠在所述导向环(2)上,
其特征在于,所述软组分部件(4)构造在所述硬组分部件(5)的、指向所述导向环(2)的端面上,并且所述硬组分部件(5)的、与所述软组分部件反向定向的端面具有型廓(7),至少所述环绕的第一密封唇(6a)经由至少两个接片(8a、8b)与所述环绕的第二密封唇(6b)相连,用于所述接片的流动通道在所述硬组分部件(5)的指向所述导向环(2)的端面上延伸。
2.根据权利要求1所述的弹簧减震支柱轴承,
其特征在于,所述硬组分部件(5)的端面的型廓(7)与贴靠在所述型廓上的拱座轴承的型廓互补地构成。
3.根据权利要求1所述的弹簧减震支柱轴承,
其特征在于,在所述硬组分部件(5)的端面上的所述型廓(7)具有用于螺栓元件的至少一个留空部(10a)。
4.根据权利要求1所述的弹簧减震支柱轴承,
其特征在于,所述环绕的第二密封唇(6b)呈钩状地构成并且布置在所述导向环(2)上的环绕的凹槽(11)内。
5.根据权利要求1所述的弹簧减震支柱轴承,
其特征在于,除了所述环绕的第一密封唇(6a)之外,环绕的第三密封唇(6c)也贴靠在所述导向环(2)的外圆周面上。
6.根据权利要求1所述的弹簧减震支柱轴承,
其特征在于,所述软组分部件(4)具有至少两个轴向的固定部(9),所述至少两个轴向的固定部完全填满在所述硬组分部件(5)内的为此所设置的至少两个留空部(12)。
7.根据权利要求1所述的弹簧减震支柱轴承,
其特征在于,所述软组分部件(4)由Elastolan材料制造,而所述硬组分部件(5)由聚胺材料制成。
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DE102016209901A1 (de) * | 2016-06-06 | 2017-12-07 | Schaeffler Technologies AG & Co. KG | Federbeinlager und Federbein mit Federbeinlager |
DE102016211456A1 (de) | 2016-06-27 | 2017-12-28 | Schaeffler Technologies AG & Co. KG | Federbeinstützlageranordnung für ein Kraftfahrzeug |
DE102016211458A1 (de) | 2016-06-27 | 2017-12-28 | Schaeffler Technologies AG & Co. KG | Federbeinstützlageranordnung für ein Kraftfahrzeug |
DE102016211568A1 (de) | 2016-06-28 | 2017-12-28 | Schaeffler Technologies AG & Co. KG | Federbeinstützlageranordnung für ein Kraftfahrzeug |
US10358891B2 (en) | 2016-10-24 | 2019-07-23 | Christopher M. Knott | Portable lubrication unit for a hydraulic fracturing valve assembly, and method for pre-pressurizing valves |
US20180335089A1 (en) * | 2017-05-16 | 2018-11-22 | Schaeffler Technologies AG & Co. KG | Strut bearing cap with assembly feature and method of assembling a strut bearing assembly |
CN111433470B (zh) * | 2017-12-20 | 2022-04-15 | 舍弗勒技术股份两合公司 | 支柱轴承 |
CN110685998A (zh) * | 2019-09-26 | 2020-01-14 | 陕西法士特齿轮有限责任公司 | 一种推力滚针轴承 |
DE102020200586A1 (de) | 2020-01-20 | 2021-07-22 | Aktiebolaget Skf | Aufhängungsaxiallagervorrichtung |
DE102021124865B3 (de) | 2021-09-27 | 2023-03-02 | Schaeffler Technologies AG & Co. KG | Federbeinlager mit einer Kappe |
US20240026931A1 (en) * | 2022-07-19 | 2024-01-25 | Schaeffler Technologies AG & Co. KG | Bearing assembly for strut arrangement |
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