EP1896738A1 - Kugelgelenk - Google Patents

Kugelgelenk

Info

Publication number
EP1896738A1
EP1896738A1 EP06761668A EP06761668A EP1896738A1 EP 1896738 A1 EP1896738 A1 EP 1896738A1 EP 06761668 A EP06761668 A EP 06761668A EP 06761668 A EP06761668 A EP 06761668A EP 1896738 A1 EP1896738 A1 EP 1896738A1
Authority
EP
European Patent Office
Prior art keywords
bearing shell
ball
joint
ball joint
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06761668A
Other languages
German (de)
English (en)
French (fr)
Inventor
Hans-Gerd Brunneke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP1896738A1 publication Critical patent/EP1896738A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0628—Construction or details of the socket member with linings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0628—Construction or details of the socket member with linings
    • F16C11/0633—Construction or details of the socket member with linings the linings being made of plastics
    • F16C11/0638—Construction or details of the socket member with linings the linings being made of plastics characterised by geometrical details
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0685—Manufacture of ball-joints and parts thereof, e.g. assembly of ball-joints
    • F16C11/069—Manufacture of ball-joints and parts thereof, e.g. assembly of ball-joints with at least one separate part to retain the ball member in the socket; Quick-release systems
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/046—Brasses; Bushes; Linings divided or split, e.g. half-bearings or rolled sleeves
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/122—Multilayer structures of sleeves, washers or liners
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/068—Special features relating to lubrication
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/08—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints with resilient bearings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/66—Acetals, e.g. polyoxymethylene [POM]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32606—Pivoted
    • Y10T403/32631—Universal ball and socket
    • Y10T403/32786—Divided socket-type coupling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32606—Pivoted
    • Y10T403/32631—Universal ball and socket
    • Y10T403/32795—Bifurcated socket
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32606—Pivoted
    • Y10T403/32631—Universal ball and socket
    • Y10T403/32803—Separable socket sections

Definitions

  • the invention relates to a ball joint. It relates in particular to the special design of the spherical shell or bearing shell of such a ball joint to reduce the transmission of sound.
  • Ball joints transmit and absorb forces from several directions. In vehicle construction, for example, they are used in the area of the steering or the tie rod. Generic ball joints consist of a ball pin, that is a bolt with a ball formed on one axial end, a ball receiving the bearing shell and a bearing shell and parts of the ball pin receiving housing. The ball of the ball pin slides between the preloaded, permanently lubricated bearing shell, which is protected by the housing against moisture and contamination and against the escape of the lubricant. In the said application in the motor vehicle, in particular the inner surfaces of the bearing shell receiving the ball are exposed to high loads. The bearing shells are therefore usually made of metal. However, in modern vehicle construction constantly increasing demands on the comfort are made, which can be met only partially inadequate by ball joints with a metallic bearing shell.
  • a disadvantage is that by ball joints with a metal shell structure-borne noise to an undesirable extent from the chassis to the passenger compartment transferred or released into the environment.
  • ball joints with a plastic shell have clear advantages.
  • the requirements in terms of capacity such joints can be fair when using modern plastics in many cases.
  • Their disadvantage is that their emergency running properties are significantly limited. That is, in the event of a defect or failure of the housing seal a corresponding ball joint, as a result of dirt penetrates into the joint or the lubricant from the actual bearing point, ie from the space of the mutually sliding surfaces of the ball of the ball stud and the bearing shell exits is Within a short time to record a total failure of the ball joint.
  • both layers consist of a plastic, but the plastics have different moduli of elasticity and surface strengths, since such layers of different plastics can be produced favorably in a two-stage injection process and brought into contact with each other.
  • the demand for a reduction of the transmitted body scarves is obviously met.
  • the demands on wear resistance can certainly be met with the use of a corresponding plastic for the inner layer for many applications.
  • plastics and thus comparable materials tend to dig into the material surface to a certain extent any soiling, as can be seen, for example, in the case of occurring leaks of ball joints in the area of the running surfaces.
  • metals have run-flat properties that can hardly be achieved by plastics.
  • the object of the invention is therefore to provide a ball joint, which on the one hand the increasing demands on the comfort, in particular to a reduction in structure-borne sound justice, and on the other hand, in addition to a high load capacity with respect to registered in the joint forces, good emergency running properties.
  • the proposed to solve the problem ball joint consists, in a conventional manner, essentially of a unilaterally open joint housing, a pivot pin with a, on one end of a ball joint formed, also open on one side, spherical bearing shell.
  • the joint ball of the pivot pin is received by the joint housing and arranged on its inner surface greased bearing shell between the joint ball and the joint housing, whereby a sliding surface is formed for the joint ball.
  • the joint housing is closed by a closure ring and by a sealing bellows for Preventing the ingress of dirt and leakage of the lubricant sealed.
  • the bearing shell is formed at least two layers, according to the invention, the inner layer of the bearing shell made of metal and its outer layer consists of a plastic.
  • the inner layer of the bearing shell made of metal
  • its outer layer consists of a plastic.
  • the sound decoupling serving outer, damping plastic layer is preferably sprayed onto the metallic inner layer.
  • the inner metallic layer and the outer layer consisting of plastic are joined together by an adhesive bond.
  • the bearing shell is formed in two parts.
  • the two, respectively two- or multi-layer parts of the bearing shell are connected to each other via a web acting as a hinge.
  • This form of training the assembly of the ball joint, so the assembly of its components is simplified.
  • the bearing shell open on one side is divided into two axially symmetrical halves.
  • a circumferential gutter is arranged parallel to the opening edge of the bearing shell. Through this gutter, which is pressed between the locking ring and the joint housing, the arranged in the joint housing bearing shell is fixed in the joint housing and secured against rotation.
  • the inner metallic layer of the bearing shell preferably has on its surface facing the joint ball at least one groove, which forms a reservoir for a lubricant.
  • Suitable plastics for the outer layer of the bearing shell of the ball joint formed in accordance with the invention are, for example, polyoxymethylene (POM) or polyamide (PA) or polyetheretherketone (PEEK).
  • Fig. 1 A fiction, designed according to the ball joint in an axial
  • FIG. 1 shows a possible embodiment of a ball joint designed in accordance with the invention in a half section.
  • the ball joint consists essentially of the pivot pin 4, 5, the bearing shell 1, 1 ', the joint housing 6 and a sealing bellows 7.
  • the ball joint 4 of the pivot pin 4, 5 is received by the hinged housing 6 open on one side.
  • the bearing shell 1, 1 ' is designed in two layers.
  • the inner layer 2 consists of metal
  • the outer layer 3 consists of a plastic.
  • the bearing shell consist exclusively of non-metallic materials, that is usually plastic, has designed in accordance with the invention ball joint by the metallic inner surface of its bearing shell 1, 1 'also improved emergency running properties. Possibly occurring leaks of Dichtungsbalgs, as a result, dirt penetrates into the joint or the lubricant exits from the bearing point, thereby, unlike ball joints with a plastic bearing shell, not to a rapid destruction of the ball joint.
  • the risk of digging dirt particles in the running surface of the bearing shell 1, 1 ' is reduced compared to plastic cups.
  • the bearing shell 1, 1 ' is formed in two parts. It consists of two axially symmetrical halves, which are connected to each other via a connecting web 8 acting as a hinge. As a result, the assembly of the ball joint is simplified.
  • a collar web 11 which encircles on its circumference is also formed, which is pressed between the closure ring 13 and the joint housing 6.
  • the surface of the inner metallic layer 2 of the bearing shell 1, 1 ' is, for example, hardened or QP-treated, ie nitrided, to further increase its wear resistance.
  • Their outer layer 3 consists for example of POM (polyoxymethylene). Due to the elasticity of this material, the vibrations transmitted by the pivot pin 4, 5 via the bearing shell 1, 1 'to the joint housing 6, in particular the structure-borne sound, are damped in an advantageous manner. Due to the inventive design of the bearing shell 1, 1 'combines the ball joint thus fulfilling the requirements of its capacity in an outstanding manner with the implementation of the comfort with respect Requirements.
  • the outer, made of plastic layer 3 of the bearing shell 1, 1 ' is preferably sprayed onto the inner metallic layer 2. Initial tests have shown, however, that it could also be possible to bond the outer layer 3 with the inner one.
  • FIG. 2 shows the bearing shell 1, 1 'formed in accordance with the invention in a two-part design again in an isometric view. Both half shells are, as can be seen, formed in two layers and connected to each other via the web 8, which acts as a hinge. In the illustration, the already mentioned on the circumference of the bearing shell circumferential gutter 11 can still be seen. In addition, it can be seen that in the metallic inner surface of the bearing shell 1, 1 ', a groove 12 is incorporated. Through this groove 12 a fat reserve for permanent lubrication of the joint is formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Sliding-Contact Bearings (AREA)
EP06761668A 2005-06-29 2006-06-19 Kugelgelenk Withdrawn EP1896738A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005030747A DE102005030747B4 (de) 2005-06-29 2005-06-29 Kugelgelenk
PCT/DE2006/001047 WO2007000138A1 (de) 2005-06-29 2006-06-19 Kugelgelenk

Publications (1)

Publication Number Publication Date
EP1896738A1 true EP1896738A1 (de) 2008-03-12

Family

ID=37023142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06761668A Withdrawn EP1896738A1 (de) 2005-06-29 2006-06-19 Kugelgelenk

Country Status (8)

Country Link
US (1) US7661902B2 (zh)
EP (1) EP1896738A1 (zh)
JP (1) JP2008545104A (zh)
KR (1) KR101312779B1 (zh)
CN (1) CN101213379B (zh)
BR (1) BRPI0612558A2 (zh)
DE (1) DE102005030747B4 (zh)
WO (1) WO2007000138A1 (zh)

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JP5148243B2 (ja) * 2007-10-31 2013-02-20 株式会社ソミック石川 ボールジョイント、そのベアリングシート、及びそれらの製造方法
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US7875082B2 (en) * 2008-05-09 2011-01-25 Remi Sciences, Inc. Ulnar head prosthesis system
US8052755B2 (en) * 2008-05-09 2011-11-08 Remi Sciences, Inc. Ulnar head prosthesis system
CN101685996B (zh) 2008-09-28 2013-06-19 德昌电机(深圳)有限公司 马达总成及其轴承套
JP2012532662A (ja) * 2009-07-10 2012-12-20 ミルックス・ホールディング・エスエイ 股関節装置および方法
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US9788988B2 (en) * 2010-09-08 2017-10-17 Ossur Hf Hinge for orthopedic devices
CN102322474A (zh) * 2011-05-31 2012-01-18 东风汽车公司 一种试验用金属衬套结构
DE102011082920B4 (de) * 2011-09-19 2023-09-28 Zf Friedrichshafen Ag Kugelzapfen und Kugelgelenk
EP3009435B1 (en) 2014-10-15 2016-08-17 F.I.S.- Fabbrica Italiana Sintetici S.p.A. Apixaban glycol esters as key intermediates and impurities of the synthesis of Apixaban
KR101732063B1 (ko) * 2015-04-29 2017-05-08 주식회사 일진 볼 조인트 일체형 자동차용 하이브리드 암 및 그 제조 방법
DE102015211005A1 (de) * 2015-06-16 2016-12-22 Zf Friedrichshafen Ag Kugelgelenk
DE102015221046A1 (de) * 2015-10-28 2017-05-04 Zf Friedrichshafen Ag Radialkugelgelenk für ein Fahrzeug
DE102016212323A1 (de) 2016-07-06 2018-01-11 Zf Friedrichshafen Ag Dichtungsanordnung
CA2981430A1 (en) * 2016-10-21 2018-04-21 Icon Vehicle Dynamics Llc High angularity ball joint assembly
FR3065764B1 (fr) * 2017-04-28 2019-08-02 Valeo Systemes D'essuyage Boite a rotule de bielle pour un systeme de tringlerie d’actionnement d’essuie-glaces et son procede d’assemblage
US20210245563A1 (en) * 2018-05-02 2021-08-12 Hc-Atm Group Pty Ltd Bush assembly
CN108730262B (zh) * 2018-07-18 2020-11-03 徐州徐工液压件有限公司 一种易更换的自适应式球铰固定结构
US11542981B2 (en) 2019-03-08 2023-01-03 Federal-Mogul Motorparts Llc Socket assembly and method of making a socket assembly
US11859657B2 (en) * 2020-03-02 2024-01-02 Federal-Mogul Motorparts Llc Socket assembly with a retention device

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Also Published As

Publication number Publication date
KR20080022136A (ko) 2008-03-10
KR101312779B1 (ko) 2013-09-27
CN101213379A (zh) 2008-07-02
WO2007000138A1 (de) 2007-01-04
US7661902B2 (en) 2010-02-16
DE102005030747A1 (de) 2007-01-04
DE102005030747B4 (de) 2012-12-27
CN101213379B (zh) 2010-06-23
US20080249630A1 (en) 2008-10-09
JP2008545104A (ja) 2008-12-11
BRPI0612558A2 (pt) 2010-11-23

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