CN110657186A - 悬挂调节组件 - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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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
- B60G17/033—Spring characteristics, e.g. mechanical springs and mechanical adjusting means characterised by regulating means acting on more than one spring
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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
- B60G17/005—Suspension locking arrangements
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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
- F16F7/00—Vibration-dampers; Shock-absorbers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
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- B60—VEHICLES IN GENERAL
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- B60G13/001—Arrangements for attachment of dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
- B60G15/065—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper characterised by the use of a combination of springs
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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
- B60G17/021—Spring characteristics, e.g. mechanical springs and mechanical adjusting means the mechanical spring being a coil spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/041—Wound springs with means for modifying the spring characteristics
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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
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/12—Attachments or mountings
- F16F1/121—Attachments or mountings adjustable, e.g. to modify spring characteristics
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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
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/12—Attachments or mountings
- F16F1/13—Attachments or mountings comprising inserts and spacers between the windings for changing the mechanical or physical characteristics of the 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
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
- F16F3/04—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/12—Wound spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/30—Spring/Damper and/or actuator Units
- B60G2202/31—Spring/Damper and/or actuator Units with the spring arranged around the damper, e.g. MacPherson strut
- B60G2202/312—The spring being a wound spring
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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
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/124—Mounting of coil springs
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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
- B60G2204/46—Means for locking the suspension
- B60G2204/4604—Means for locking the suspension mechanically, e.g. using a hook as anticreep mechanism
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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
- B60G2204/61—Adjustable during maintenance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/20—Spring action or springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
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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
- F16F2230/00—Purpose; Design features
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Abstract
一种震动吸收器组件,包括两个弹簧11、12,所述两个弹簧串联布置以便在使用中在一对间隔开的弹簧座之间延伸。联接构件13布置在弹簧11、12的邻近端部11b、12a之间。联接构件13是可调节的,并且由具有一对凸缘14、15的轴形成,所述对凸缘设置在轴的外表面上。轴轴向地延伸超过每个凸缘14、15,以便延伸到邻接的弹簧端部11b、12a的线圈内部,以将弹簧端部11b、12a定位在联接器13上。每个凸缘14、15接合弹簧11、12中的一个的相关联的邻近端部11b、12a。所述凸缘14、15中的至少一个可沿着轴纵向移动,以便改变两个凸缘14、15之间的纵向间距,并从而改变弹簧11、12上的预载荷。
Description
技术领域
本发明涉及弹簧震动吸收器的改进,并且更具体地涉及用于调节这种弹簧震动吸收器的弹簧载荷的调节机构,所述弹簧震动吸收器包括彼此平行布置的至少两个弹簧。
背景技术
(比如在汽车悬挂系统上使用的)震动吸收器在本领域中是公知的。典型的这种震动吸收器包括可选地缠绕在中心流体填充震动阻尼器支柱周围的螺旋弹簧。更具体地,支柱由支柱壳体形成,支柱轴可以在该支柱壳体中纵向移动,以便能够从支柱壳体中延伸出并能够收回到支柱壳体中。支柱壳体被流体填充,并且支柱轴的端部在所述壳体中起到像活塞一样的作用,使得其纵向移动被阻尼。一对间隔开的弹簧座设置在支柱上,一个弹簧座连接到壳体而一个弹簧座连接到轴,使得当轴移动到壳体中和移出壳体时,弹簧被压缩或被松弛,以便控制震动吸收器的震动吸收能力。因此,这种能力取决于螺旋弹簧的弹簧常数。在没有支柱的构造中,弹簧座被分别固定到车辆的主体和车轮安装件(比如叉形架)的部分上并且弹簧在其间延伸。
在一些应用中,希望能够调节弹簧的预载荷,以便例如能够改变响应性震动吸收器,改变车辆的行车高度。为了实现该目标,申请人自己的早期专利申请公开了一种震动吸收器,其中所述弹簧座中的一个被构造成相对于震动吸收器的通过螺纹安装方式安装在其上的部分是可调节的。
在本领域中还已知的是提供了包括与单个支柱相关联的两个以上螺旋弹簧的震动吸收器,所述弹簧彼此串联布置,使得一中间联接座装置位于相邻弹簧的邻近端部之间,以便以可靠的方式将弹簧定位在一起并在它们之间传递载荷。通常,这种装置采用了具有不同弹簧常数的弹簧来改进震动吸收器的性能。US2002/0038929中公开了这样一种装置。这种装置教导了具有不同长度的弹簧的一部分,其与布置在弹簧之间的凸缘联接构件串联布置。联接构件通常是圆柱形的,具有中心凸缘和圆柱形接合部分,所述中心凸缘在任一侧提供用于弹簧的端部的座部,所述圆柱形接合部分从凸缘的任一侧延伸,该圆柱形接合部分接合在相关联的弹簧的端部线圈中,以相对于凸缘将其定位,并将凸缘保持在适当位置以抵抗径向移动,然后该联接器在两个弹簧之间的适当位置浮动,并通过每个弹簧上的预载荷保持就位。在这种布置中,还提供了上述类型的调节器,以允许调节弹簧上的预载荷。然而,由于难以接近车辆车轮后面的调节器,因此这种装置可能难以调节。
发明内容
根据本发明的第一方面,提供了一种震动吸收器组件,包括:至少两个弹簧,所述至少两个弹簧串联布置,以在使用中在一对间隔开的弹簧座之间延伸;以及联接构件,所述联接构件布置在相邻弹簧的邻近端部或每对邻近端部之间,其中,所述联接构件是可调节的,并且由具有一对凸缘的轴形成,所述对凸缘设置在所述轴的外表面上,所述轴轴向地延伸超过每个凸缘,以便延伸到邻接的弹簧端部的线圈内部,以将所述弹簧端部定位在所述联接器上,每个凸缘接合所述相邻弹簧的邻近端部中的一个,所述凸缘中的至少一个可沿着所述轴纵向移动,以改变所述两个凸缘之间的纵向间距并从而改变所述弹簧上的预载荷。
根据本发明的震动吸收器具有这样的优点,即,通过将调节机构结合到联接器中,使得在例如不需要移除车轮的情况下更加容易接近对车辆的调节。而且,因为在支柱的顶部或底部处不需要单独的调节器,所以减少了所需部分的数量,使得改进现有的震动吸收器更加容易,并且还允许以在现有技术装置中不可能利用的方式来改变弹簧之间的相对预载荷的变化。
可以设置多个弹簧,所述多个弹簧彼此串联布置,以便在弹簧座之间纵向分布。至少一个可调节联接器然后被内置成与弹簧共线并布置在一对弹簧之间。然而,优选地,可调节联接器设置在每对邻近弹簧端部之间,以便提供最大范围的对震动吸收器的调节。
根据本发明的另一方面,提供了一种用于震动吸收器的可调节弹簧联接器,包括联接构件,所述联接构件由具有一对凸缘的轴形成,所述对凸缘设置在所述轴的外表面上,所述轴被定尺寸为在使用中延伸到串联地布置在一对弹簧座之间的至少一对弹簧的邻接的弹簧端部的线圈内部,以将弹簧端部定位在联接器上,所述对弹簧座安装在所述震动吸收器上,每个凸缘接合所述相邻弹簧的邻近端部中的一个,所述凸缘的至少一个可沿着所述轴纵向移动,以便改变所述两个凸缘之间的纵向间距,并从而在使用中改变所述弹簧上的预载荷。
轴优选地是中空的,以便可选地允许悬挂支柱延伸穿过其中。轴优选地为具有圆形横截面的圆柱形构件,但是其它形状也是可能的,并且可以被理解为在所述发明的范围内。
优选地,轴为具有螺纹的柱形构件,所述螺纹形成在轴的外表面的至少一部分上,至少一个可调节凸缘具有内螺纹,所述至少一个可调节凸缘通过该内螺纹安装在圆柱形构件上并可沿其纵向调节。凸缘中的另一个可以固定地安装在圆柱形构件上,或者也可以沿其纵向移动以助于更宽范围的调节选项。还可以使用其它调节装置,比如保持套环等。
止动装置可以与可调节凸缘或每个可调节凸缘相关联,以能够使其被锁定在适当位置以防止意外的纵向移动。止动装置可以采用例如在可调节凸缘后面向上卷绕的锁定环或螺母、接合在凸缘之间以防止它们朝向彼此向回移动的锁定套环、锁定销等的形式。
轴的外部尺寸优选地被定尺寸为在弹簧内侧形成紧密公差配合,在所述弹簧中,所述轴接合为使弹簧在联接器上的侧向移动最小化。特别地,轴的一个端部可以具有与另一个端部不同的尺寸或直径(如果为圆形),以允许在具有不同尺寸的弹簧中的紧密公差接合。圆形横截面是有利的,因为它助于在外表面上形成螺纹,并且还将在相邻弹簧端部(联接器接合在所述相邻弹簧端部之间)内形成更好的接合。
附图说明
为了可以充分理解本发明,现在将参考附图通过示例描述给出的本发明的实施例,其中:
图1是现有技术的弹簧装置;
图2是根据本发明的弹簧装置的示例性实施例;
图3是安装在车辆中适当位置中的图2的弹簧装置;
图4是根据本发明的联接器的透视图;
图5a至5c是形成图4的联接器的部分的圆柱形构件的视图;并且
图6a至6c是形成图4的联接器的部分的可调节凸缘构件的视图。
具体实施方式
首先参考图1,示出了申请人自己的早期现有技术装置的示例。一对弹簧2、3串联地布置在一对弹簧座4、5之间。联接器6接合在弹簧的相邻端部2b、3a之间,以便将弹簧保持在适当位置。更具体地,联接器6具有中心凸缘6a,其具有在凸缘6a的任一侧上轴向延伸的轴6b、6c,以便延伸到弹簧2、3的线圈内部,从而防止弹簧相对于联接器6径向移动。
上部弹簧座4类似地形成为延伸到弹簧2的邻接的端部2a的线圈中的轴以便将其保持在适当位置。上部弹簧座4的轴的外表面4a带有螺纹,并具有凸缘构件7,弹簧2的上部端部2a抵靠该凸缘构件接合。凸缘构件7螺纹地安装在轴的外表面4a上,以便通过沿螺纹的线圈能够沿着轴纵向地移动。以这样的方式,可以调节弹簧的压缩。
现在参考图2,示出了根据本发明的悬挂弹簧装置。与图1的现有技术装置一样,该装置包括串联布置的一对弹簧11、12。在使用中,如图3所示,弹簧的远侧端部接合在弹簧座中以将它们保持在适当位置,弹簧座通常被定位成使得一个端部11a在承载该装置利用其进行操作的车轮的下部叉形架或类似部件上,使得另一个端部12b在车轮上方的车辆的底盘上。
联接器13类似地接合在弹簧11、12的相邻端部11b、12a之间,但是与现有技术的装置不同,联接器13具有一对凸缘14、15,并且具有形成在其外表面上的螺纹13a。如图5b所示,下部凸缘15与联接器一体地形成,以便沿联接器13处于固定纵向位置,并且与联接器的下部端部间隔开,使得轴向延伸部15b在凸缘15下方形成在联接器上,以与现有技术相同的方式接合在弹簧12的线圈的内部中。
另一方面,图6a-6b中示出的上部凸缘14与联接器单独地形成,并且采用环形盘的形式,其具有形成在其内表面上的螺纹14a。上部凸缘14还包括轴向延伸部14b,其具有相比于凸缘14的减小的直径,并且定尺寸成可接合在弹簧11的邻接的端部11b的线圈的端部内以用于定位目的。凸缘14的螺纹14a具有与形成在联接器13的外表面上的螺纹13互补的尺寸,使得凸缘14可螺纹地接合在联接器13上,并且通过使凸缘14相对于联接器13旋转而使其轴向位置沿联接器13是可调节的。以这种方式,可以调节两个凸缘14、15之间的间距,并且使弹簧上的载荷发生变化。
弹簧通常有不同的尺寸,以便提供不同的弹簧载荷,并且延伸部14b、15b将类似地定尺寸以紧密适配在邻接的弹簧内部,以使径向移动最小化。特别地,在可移动凸缘上的延伸部14b通常在尺寸上大于一体形成的凸缘的延伸部15b。
虽然本发明已经描述了关于凸缘中的一个被固定的情形,但是应当理解,两个凸缘都可以可移动地安装在联接器上。类似地,代替螺纹联接,可以代替地使用本领域技术人员公知的其它联接类型。还可以施用止动装置以防止凸缘在联接器上的意外的移动。
Claims (14)
1.一种震动吸收器组件,包括:至少两个弹簧,所述至少两个弹簧串联布置以在使用中在一对间隔开的弹簧座之间延伸;以及联接构件,所述联接构件布置在相邻弹簧的邻近端部或每对邻近端部之间,其中,所述联接构件是可调节的,并且由具有一对凸缘的轴形成,所述对凸缘设置在所述轴的外表面上,所述轴轴向地延伸超过每个凸缘,以便延伸到邻接的弹簧端部的线圈内部,以将所述弹簧端部定位在所述联接器上,每个凸缘接合所述相邻弹簧的邻近端部中的一个,所述凸缘中的至少一个能够沿着所述轴纵向移动,以改变所述两个凸缘之间的纵向间距并从而改变所述弹簧上的预载荷。
2.根据权利要求1所述的震动吸收器,包括:多个弹簧,所述多个弹簧彼此串联布置,以在所述弹簧座之间纵向地分布;至少一个可调节联接器,所述可调节联接器被内置成与所述弹簧共线并且布置在一对所述弹簧之间。
3.根据权利要求2所述的震动吸收器,其中,可调节联接器设置在每对邻近弹簧端部之间。
4.一种用于震动吸收器的可调节弹簧联接器,包括联接构件,所述联接构件由具有一对凸缘的轴形成,所述对凸缘设置在所述轴的外表面上,所述轴被定尺寸为在使用中延伸到串联地布置在一对弹簧座之间的至少一对弹簧的邻接的弹簧端部的线圈内部,以将所述弹簧端部定位在所述联接器上,所述对弹簧座安装在所述震动吸收器上,每个凸缘接合所述相邻弹簧的邻近端部中的一个,所述凸缘中的至少一个能够沿着所述轴纵向移动,以便改变所述两个凸缘之间的纵向间距,并从而在使用中改变所述弹簧上的预载荷。
5.根据权利要求1至3中任一项所述的震动吸收器,或根据权利要求4所述的可调节弹簧联接器,其中,所述轴是中空的,以便可选地允许悬挂支柱延伸穿过其中。
6.根据权利要求5所述的震动吸收器或可调节弹簧联接器,其中,所述轴为具有圆形横截面的圆柱形构件。
7.根据权利要求6所述的震动吸收器或可调节弹簧联接器,其中,所述轴具有形成在其外表面的至少一部分上的螺纹,所述至少一个可调节凸缘具有内螺纹,所述至少一个可调节凸缘通过所述内螺纹安装在所述圆柱形构件上并且沿所述圆柱形构件是能够被纵向调节的。
8.根据权利要求1至3和6至7中任一项所述的震动吸收器,或根据权利要求4、6或7中任一项所述的可调节弹簧联接器,其中,所述至少一个可调节凸缘具有相关联的保持套环,以用于将所述至少一个可调节凸缘保持在适当位置。
9.根据权利要求1至3和6至7中任一项所述的震动吸收器,或根据权利要求4、6或7中任一项所述的可调节弹簧联接器,其中,所述凸缘中的所述另一个固定地安装在所述圆柱形构件上。
10.根据权利要求1至3和6至7中任一项所述的震动吸收器,或者根据权利要求4、6或7中任一项所述的可调节弹簧联接器,其中,所述凸缘中的所述另一个能够沿所述圆柱形构件纵向移动。
11.根据权利要求1至3和6至7中任一项所述的震动吸收器,或者根据权利要求4、6或7中任一项所述的可调节弹簧联接器,进一步包括止动装置,所述止动装置能够与所述可调节凸缘或每个可调节凸缘相关联,从而能够使所述可调节凸缘被锁定在适当位置以防止意外的纵向移动。
12.根据权利要求11所述的震动吸收器或可调节弹簧联接器,其中,所述止动装置采用了在所述可调节凸缘后面向上卷绕的锁定环或螺母、接合在所述凸缘之间以防止它们朝向彼此向回移动的锁定套环或锁定销中的一种的形式。
13.根据权利要求1至3、6、7或12中任一项所述的震动吸收器,或根据权利要求4、6、7或12中任一项所述的可调节弹簧联接器,其中,所述轴的外部尺寸被定尺寸为在所述弹簧内侧形成紧密公差配合,在所述弹簧中,所述轴接合为以使所述弹簧在所述联接器上的侧向移动最小化。
14.根据权利要求1至3、6、7或12中任一项所述的震动吸收器,或根据权利要求4、6、7或12中任一项所述的可调节弹簧联接器,其中,所述轴的一个端部具有与另一个端部不同的尺寸。
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