CN105980730A - 具有安装件的活塞缸总成 - Google Patents

具有安装件的活塞缸总成 Download PDF

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CN105980730A
CN105980730A CN201580007384.2A CN201580007384A CN105980730A CN 105980730 A CN105980730 A CN 105980730A CN 201580007384 A CN201580007384 A CN 201580007384A CN 105980730 A CN105980730 A CN 105980730A
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cylinder
rivet
installed part
piston cylinder
cylinder assembly
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CN105980730B (zh
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H·罗勒克
D·贝克
W·赫兹
K·施赖纳
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ZF Friedrichshafen AG
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/54Arrangements for attachment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00Riveting
    • B21J15/02Riveting procedures
    • B21J15/025Setting self-piercing rivets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00Riveting
    • B21J15/10Riveting machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00Riveting
    • B21J15/38Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
    • B21J15/46Positioners for rivets for making tube joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/062Resilient 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
    • B60G15/063Resilient 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 mounting of the spring on the damper
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • F16F9/3235Constructional features of cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3271Assembly or repair
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43Fittings, brackets or knuckles
    • B60G2204/4304Bracket for lower cylinder mount of McPherson strut
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80Manufacturing procedures
    • B60G2206/82Joining
    • B60G2206/8206Joining by riveting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

本发明涉及一种活塞缸总成,该活塞缸总成包括具有安装件(5)的缸,该安装件具有贴靠在缸的接触面上的固定区段(11),其中,在安装件(5)与缸之间存在将安装件(5)固定在缸处的形状配合连接(13),其中,形状配合连接(13)由可变形的铆钉(15)形成,该铆钉在最终装配位置穿过固定区段并与缸一起形成底切部(29)。

Description

具有安装件的活塞缸总成
技术领域
本发明涉及一种根据权利要求1的前序部分所述的具有安装件的活塞缸总成和一种制造方法。
背景技术
从文献DE 31 05 170 A1或文献US 7 810 620 B2中已知一种呈减振器的结构形式的活塞缸总成,其中,通过在安装件与缸之间的径向的形状配合固定安装件。为此,安装件在缸处被装入预定的安装位置并利用冲模工具产生形状配合。在文献US 7 810 620中,缸具有至少一个槽,该槽容纳安装件的由冲模挤压出的体积。沿周向方向使用多个形状配合连接并且该安装件拥有固定套筒,该固定套筒在大于180°的范围上包围缸。因此,安装件在形状配合后既不能相对于缸移动沿轴向移动,也不能径向相对于缸沿径向移动。
在文献DE 31 05 170 A1中,由冲模挤压出的压模体积与缸的壁部区域共同变形。由于冲模形状,在缸中产生漏斗形的压入边缘。例如实现了安装件具有小于180°的与缸的接触区的底切部不能采用这种类型的形状配合连接来实现。
大规模的试验表明,现有技术中已知的形状配合连接只能承受有限的负荷。
发明内容
本发明的目的在于,找到一种在活塞缸总成与安装件之间具有更高的负荷极限的形状配合连接。
根据本发明,该目的由此得以实现,即形状配合连接由可变形的铆钉形成,该铆钉在最终装配位置穿过固定区段并与缸一起形成底切部。
本发明的一大优点在于,不仅可设置具有套筒状的固定区段的安装件,而且也可设置仅在缸的部分圆周上延伸的安装件,而不需要将安装件沿径向取下。底切部大幅提高了轴向的保持力,从而可利用相对小的面积需求实现大的保持力。
在另一种有利的设计方案中,铆钉具有放置在安装件的固定区段上的铆钉头部。铆钉头部密封形状配合连接以避免潮湿,使得实际上不会出现腐蚀。此外,也可以使用具有表面涂层的缸和安装件。
根据一项从属权利要求,铆钉在与铆钉头部相对而置的端部处在最终装配状态下具有径向的扩张。因此,产生双层的底切部,亦即用于固定区段和用于缸的双层的底切部。
此外还规定,缸在铆接的区域中具有封闭的壁部。因此,具有工作介质的缸也可设有安装件,而不需要采取特殊的密封措施。
铆钉的铆钉杆在最终装配状态下通过无冲裁部在安装件中延伸。由此,使缸的在壁部的区域中被挤压出的体积永久地沿径向向外预紧,从而不会出现沉降现象(Setzerscheinungen)。
已证实有利的是,底切部具有基本上相应于铆钉头部直径的直径。
一种为实现该目的而确定的用于制造活塞缸总成的方法,该活塞杆总成包括具有安装件的缸,该方法具有下列工作步骤:
-固定缸
-使安装件以其固定区段定位在在缸处
-使顶头相对于缸的背向固定区段的侧面定位
-使携带铆钉的工具做进给运动
-利用铆钉刺穿固定区段
-使铆钉杆的底切部在顶头中成型
该方法的流程简单,很容易实现自动化。
附图说明
可借助下文的附图说明对本发明进行详细阐述。
其中:
图1示出了具有安装件的活塞缸总成;
图2示出了形状配合连接的截面图;
图3示出了用于制造活塞缸总成的装置;
图4和图5示出了用于根据图3的装置的备选的顶头。
具体实施方式
图1示出一种呈减振器的结构形式的活塞缸总成1。在具有沿周向方向弯曲的壁部的外部空心缸3处,例如固定有托架5、稳定器支架7和弹簧座9作为安装件。安装件具有与缸3的接触面匹配的固定区段11。在简单的管型材中,缸3的外直径近似相应于固定区段11的直径。
根据图2,在安装件5至9中的至少一个中,在安装件与缸3之间存在形状配合连接13。相对于安装件5和缸3单独的、具有铆钉头部17的铆钉15穿过安装件5的固定区段11。铆钉头部17放置在安装件5的固定区段11上。
铆钉15包括具有内部的空腔21的冲裁端部(Schneidende)19。在形状配合连接13的所示出的最终装配状态下,与铆钉头部17相对而置的端部具有径向的扩张,其大于在安装件中的铆钉杆25的无冲裁部23。由此,在铆钉杆端部27与缸之间产生底切部29,底切部的直径基本上相应于铆钉头部17的直径。缸3的壁部是封闭的,从而在缸内部的介质在形状配合连接13的区域中不会流出。
图3简化地示出了一种固定缸3的方法所使用的装置31。例如以截面示出了具有套管状的固定区段11的安装件5,该套管状的固定区段被推到缸3的外周面上。在位于安装件5的区域中的缸3的内部布置有顶头33,该顶头包括具有缸的变形区域37(图2)的轮廓的轴向槽35。缸3由于在顶头中敞开的槽轮廓35可相对于顶头33沿轴向移动,以将缸装入装置31中和从装置31取出。
在该实施例中使用如下的工具,该工具携带两个铆钉15并可以进行相向的进给运动。当将缸3与安装件5放置在装置31中时,多个铆钉15随后被压向缸3的方向。在此,铆钉15分别将无冲裁部23切入固定区段11中,其中,铆钉杆25的底切部29在顶头内成型。由于相向的进给运动和因此对顶头的力作用,作用于顶头的力在理想的情况下得到补偿,从而顶头可实施地比较细。缸3的由铆钉杆25挤压的体积的部分由在铆钉杆25中的空腔21容纳。因此铆钉杆21的环形的端部27在内径和外径处得到覆盖,从而不存在用于会削弱形状配合连接13的径向回弹的自由空间。铆钉头部17在最终装配状态下覆盖无冲裁部23,铆钉杆25通过无冲裁部延伸。针对再一次的方法流程,使工具39重新运动回到其所示出的起始位置并将缸3与其安装件5一起从装置31中拉出。
图4和图5示出具有两个轴向槽35和两个沿周向方向实施的槽41的顶头33。槽35例如可以通过简单的削平形成。根据图4和图5的顶头33的工作原理与根据图3的工具相同。不同的是,顶头33和/或缸3在装置31内部实施旋转和平移组合的工作运动,以便可将缸3和支架5的组装成品的从装置31中取出。缸的变形区域37由周向槽41沿顶头33的纵向方向精确地成型为具有锐边。在缸3的变形区37与内壁部之间为沿周向方向几乎平滑的过渡。通过槽41沿周向方向更轮廓分明地压出的变形区域特别好地抵抗托架沿缸3的纵向方向的负荷。
附图标记
1 活塞缸总成
3 缸
5 托架
7 稳定器支架
9 弹簧座
11 固定区段
13 形状配合连接
15 铆钉
17 铆钉头部
19 冲裁端部
21 空腔
23 无冲裁部
25 铆钉杆
27 铆钉杆端部
29 底切部
31 装置
33 顶头
35 槽
37 变形区域
39 工具
41 槽

Claims (7)

1.一种活塞缸总成(1),该活塞缸总成包括具有安装件(5-9)的缸(3),该安装件具有贴靠在所述缸(3)的接触面上的固定区段(11),其中,在所述安装件(5-9)与所述缸(3)之间设有将所述安装件(5-9)固定在所述缸(3)处的形状配合连接(13),其特征在于,所述形状配合连接(13)由能变形的铆钉(15)形成,该铆钉在最终装配位置穿过所述固定区段(11)并与所述缸(3)一起形成底切部(29)。
2.根据权利要求1所述的活塞缸总成,其特征在于,所述铆钉(15)具有放置在所述安装件(5-9)的固定区段(11)上的铆钉头部(17)。
3.根据权利要求2所述的活塞缸总成,其特征在于,所述铆钉(15)在与所述铆钉头部(17)相对而置的端部(27)处在最终装配状态下具有径向的扩张。
4.根据权利要求1至3中任一项所述的活塞缸总成,其特征在于,所述缸(13)在所述形状配合连接(13)的区域中具有封闭的壁部。
5.根据权利要求1至4中任一项所述的活塞缸总成,其特征在于,铆钉杆(25)通过无冲裁部(23)在所述安装件(5-9)中延伸。
6.根据权利要求1至3中任一项所述的活塞缸总成,其特征在于,所述底切部(29)具有基本上相应于所述铆钉头(17)直径的直径。
7.一种用于制造活塞缸总成(1)的方法,该活塞缸总成包括具有安装件(5-9)的缸(3),该方法具有下列工作步骤:
-固定所述缸(3);
-使所述安装件(5-9)以其固定区段(11)定位在缸(3)处;
-使顶头(33)相对于所述缸(3)的背向所述固定区段(11)的侧面定位;
-使携带铆钉(15)的工具(39)做进给运动;
-利用所述铆钉(15)刺穿所述固定区段(11);
-使所述缸(3)的底切部(29)在所述顶头(33)中成型。
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DE102014202205.3 2014-02-06
DE102014202205.3A DE102014202205A1 (de) 2014-02-06 2014-02-06 Kolbenzylinder-Aggregat mit einem Anbauteil
PCT/EP2015/050204 WO2015117781A1 (de) 2014-02-06 2015-01-08 Kolbenzylinder-aggregat mit einem anbauteil

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DE102016202314A1 (de) * 2016-02-16 2017-08-17 Zf Friedrichshafen Ag Verstellbarer Federträger
DE102017203460A1 (de) 2017-03-02 2018-09-06 Zf Friedrichshafen Ag Vorrichtung zur Herstellung einer Formschlussverbindung

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WO2015117781A1 (de) 2015-08-13

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