EP2104788A1 - Articulation sphérique avec anneau de fermeture - Google Patents
Articulation sphérique avec anneau de fermetureInfo
- Publication number
- EP2104788A1 EP2104788A1 EP07856116A EP07856116A EP2104788A1 EP 2104788 A1 EP2104788 A1 EP 2104788A1 EP 07856116 A EP07856116 A EP 07856116A EP 07856116 A EP07856116 A EP 07856116A EP 2104788 A1 EP2104788 A1 EP 2104788A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ball
- joint
- housing
- joint housing
- socket
- 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- Withdrawn
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
-
- 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
- F16C11/0614—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part of the joint being open on two sides
-
- 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
- F16C11/0666—Sealing means between the socket and the inner member shaft
- F16C11/0671—Sealing means between the socket and the inner member shaft allowing operative relative movement of joint parts due to flexing of the sealing means
-
- 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
- F16C33/72—Sealings
-
- 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
Definitions
- the invention relates to a ball joint, for example for an axle system or a wheel suspension of a motor vehicle, according to the preamble of patent claim 1.
- the requirements placed on such ball or sleeve joints include in particular high specific load capacity and low bearing clearance both in the static and in the dynamic load case, also low maintenance or maintenance as possible over the life of the motor vehicle or ball joint, the lowest possible mass and low space requirement.
- the production should be cost-effective if possible.
- a ball or sleeve joint has a substantially annular-cylindrical or cup-shaped joint housing, in the interior of the bearing shell or ball socket is arranged. It is necessary that the ball cup clearance and especially against rotation relative to Secured joint housing is anchored in the joint housing, since movements of the outer surface of the spherical shell relative to the inner surface of the joint housing to abrasion, so early lead to unwanted play and shorten the life of the ball joint.
- the ball joint comprises, in a manner known per se, initially a substantially ring-shaped or pot-shaped joint housing.
- the joint housing has a substantially cylindrical interior, in which the ball socket of the ball joint is arranged, wherein the ball shell is fixed by means of a closure ring in the joint housing.
- the ball of the ball pin or the ball sleeve of the ball joint is slidably received in the ball socket.
- the ball joint is distinguished by the fact that the ball shell in its end region adjoining the closure ring is formed on the outside substantially smoothly cylindrical.
- the locking ring of the joint housing has a toothing on its front side facing the ball socket.
- the still required anti-rotation of the ball socket in the joint housing is achieved according to the invention characterized in that the closure ring has a toothing on its front side facing the spherical shell.
- the toothing of the closure ring can penetrate at the moment of closing the joint housing through the closure ring in the cover-side end face of the joint housing. In this way, a secure positive connection between the ball socket and the housing cover, and thus also produced between the spherical shell and the joint housing, which ensures the required rotation.
- the exact structural design and arrangement of the teeth on the locking ring is inventively initially arbitrary, as long as by means of penetration of the teeth in the ball shell during assembly of the housing cover secure positive connection between the housing cover and ball socket can be guaranteed. According to a particularly preferred embodiment of the invention, however, it is provided that the toothing is arranged only in an inner annular portion of the end face of the closure ring.
- an outer annular portion of the closure ring can be used as a sealing attachment of the closure ring relative to the joint housing, wherein the connection between the closure ring and joint housing preferably takes place by rolling / pressing. Therefore, in the outer annular portion of the closure ring to dispense with the teeth, which in turn can save costs in the production of the closure ring.
- the toothing is designed as a knurl.
- the knurl preferably consists of a plurality of spherical shell side sharp-edged trained, substantially radially extending and substantially prismatic shaped elevations.
- a knurl formed in this way is inexpensively produced, in particular without cutting, on the closure ring, requires only little press-fit forces in the ball shell and, at the same time, results in high transferable torques between the ball shell and the closure ring or joint housing-in terms of effective rotation.
- the closure ring in the joint housing axial longitudinal section has a substantially C-shaped cross-sectional contour.
- This embodiment of the closure ring is initially material saving in the production and also allows an advantageous combination of functions both the functions of the joint housing cover or hinge housing closure, anchoring and anti-rotation of the ball shell, the attachment of a joint sealing bellows, as possibly also additionally the function of an angle stop for the ball stud or for the ball sleeve of the ball joint.
- a closure ring designed in this way can be produced easily and cost-effectively, in particular as a pressed part.
- the locking ring is crimped on the front side in the joint housing. In this way, a particularly dense and permanent closure of the joint housing without further Achieved components. Furthermore, the closure by crimping is inexpensive and process reliable.
- the interior of the joint housing in the region of the housing cover opposite side of the joint housing has a shoulder as an axial stop for the ball shell; or that the interior of the joint housing has a joint housing axial direction in the region of the housing cover opposite side of the joint housing continuously decreasing diameter.
- the ball shell from the lid side can be simply pushed up to the heel in the joint housing, and the joint housing are then closed by the housing cover.
- An additionally or alternatively present in the interior of the joint housing, continuously decreasing diameter contour can also be used as an axial stop during assembly of the spherical shell in the joint housing;
- a desired increased rigidity of the ball socket which is desirable in some applications, can be achieved on the basis of the wall thickness of the ball socket which is smaller in this area.
- Figure 1 is a schematic representation of an example of a prior art ball joint in isometric longitudinal section.
- Figure 2 is a sleeve joint according to an embodiment of the invention in longitudinal section.
- 3 shows a locking ring of a sleeve joint according to an embodiment of the invention in longitudinal section;
- FIG. 4 shows the closure ring according to FIG. 3 in plan view
- FIG. 5 is a schematic, enlarged view of the closure region of a sleeve joint according to the prior art
- FIG. 6 shows the closure region of the sleeve joint according to FIG. 2 in a representation corresponding to FIG. 5;
- FIG. 7 shows a further enlarged detail of the knurled surface of the locking ring of the sleeve joint according to FIG. 6.
- Fig. 1 shows a schematic longitudinal sectional view of a ball joint according to the prior art.
- the ball 3 of a ball stud 4 is arranged in the interior of the ball shell 2 again.
- the ball shell 2 is anchored in the joint housing 1 by means of a merely schematically indicated closure ring 5, the ball shell 2 for the purpose of anchoring, in particular for preventing rotation of the ball shell 2, one in the region of their adjacent to the closure ring Has end face radially outwardly facing, projecting spherical shell collar 6.
- the spherical shell collar 6 is received in a likewise circumferential, complementary to the spherical shell collar 6 housing stage 7 of the joint housing 1, and is clamped there between the locking ring 5 and the joint housing 1.
- Kugelschalenbund 6 and housing stage 7 of the joint housing 1 are in the illustrated example of the prior art, as already mentioned, but relatively expensive in production, lead to an extension of the respective tolerance chain in gelenkgeophuseaxialer direction, and also claim Space in particular in the radial direction in the region of the cover-side end face of the joint housing.
- FIG. 5 A with the representation of Fig. 1 with respect to the anchoring and rotation of the ball socket 1 matching further example from the prior art is shown in Fig. 5 enlarged. It can also be seen in Fig. 5 again the frontal outlet of the joint housing 1, a part of the joint housing cover 5 and the associated frontal region of the spherical shell 2. Furthermore, the existing in this example from the prior art circumferential spherical shell collar 6 and the associated, in Joint housing 1 arranged housing stage 7 recognizable, which are also there for anchoring and in particular rotation of the ball shell 2 is still required, with the disadvantages already outlined, in particular with regard to production costs and production costs, space and weight.
- FIGS. 2 to 4 as well as FIGS. 6 and 7 show embodiments for ball joints or sleeve joints according to the present invention, with which the disadvantages and limitations of the prior art described above are overcome.
- Fig. 2 shows an embodiment of a sleeve joint according to the present invention.
- the ball joint 9 in the illustrated embodiment also has a sealing cross-section which is essentially C-shaped in design.
- the closure cap 12 closes the joint housing 10, in particular the ball socket 9 and the joint housing 10.
- anchors the ball shell 11 in the joint housing 10 also takes the joint-side end of a sealing bellows 13, and finally - in the sense of an advantageous combination of functions - even the angle stop to limit the angular deflection of the joint sleeve 9 relative to the joint housing 10 form.
- From Fig. 2 also shows that the interior of the joint housing 10 in the region of the housing cover 12 axially opposite side of the joint housing 10 has a continuously decreasing in gelenkgepitaxialer diameter diameter.
- FIGS. 3 and 4 show the housing cover 12 of a further embodiment of a ball or socket joint according to the invention.
- the housing cover 12 according to FIGS. 3 and 4 is also provided for flanging into a joint housing 10 and for receiving a sealing bellows 13.
- the teeth 14 of the closure ring 12 present in the form of an annular region are particularly recognizable.
- the teeth 14 of the closure ring 12 are made of a plurality of sharp edges , substantially radially extending and substantially prismatic elevations, which are arranged within the annular region 15.
- FIGS. 6 and 7 the teeth 14 and the knurl of a locking ring 12 according to an embodiment for a sleeve joint according to the present invention is shown again in an enlarged view.
- the joint housing cover 12 is connected by means of a flange 8 with the joint housing 10. 5 and 6 that the geometry of the spherical shell 11 and the joint housing 10 in the connection region with the housing cover 12 in the ball joint according to the invention as shown in FIG. 6 considerably easier, and thus cheaper and space-saving designed can than in the prior art shown in FIG. 5, since as a result of the invention, both in the prior art 5 existing ball socket collar 6 of the ball shell 2 and the housing stage 7 of the joint housing 1 omitted.
- a ball or sleeve joint which offers over the known from the prior art ball or sleeve joints advantages especially in terms of minimizing the manufacturing cost and in terms of space savings and weight reductions.
- the invention makes a contribution to improving the cost-effectiveness and to increase the possible use of ball or sleeve joints, in particular with respect to the application in the range of axle systems, suspensions or for the articulation of spring-damper systems on the motor vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Sealing Devices (AREA)
Abstract
L'invention concerne une articulation sphérique ou à manchon, par exemple pour un système d'essieu ou pour l'articulation d'un système d'amortissement à ressort dans un véhicule automobile. L'articulation sphérique présente un boîtier d'articulation de forme essentiellement circulaire ou en forme de pot (10), dans l'espace intérieur duquel est disposée une rotule (11). La rotule (11) est fixée au moyen d'un anneau de fermeture (12) dans le boîtier d'articulation, la rotule (11) étant logée de manière à coulisser la bille (3) d'un tourillon à rotule (4) ou d'un manchon à rotule (9). L'articulation sphérique selon la présente invention se caractérise en ce que la rotule (11) est conçue dans sa zone terminale contiguë à l'anneau de fermeture, côté extérieur, essentiellement de manière lisse cylindrique, l'anneau de fermeture (12) présentant une denture (14) sur sa face frontale tournée vers la rotule (11). L'articulation sphérique, objet de la présente invention, offre des avantages concernant la réduction des frais de fabrication ainsi que l'économie d'encombrement et la réduction pondérale. Les chaînes de tolérances également réduites dans la zone du couvercle de boîtier simplifient la production de pièces et réduisent le taux de rebut.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006061974A DE102006061974A1 (de) | 2006-12-21 | 2006-12-21 | Kugelgelenk mit Verschlussring |
PCT/DE2007/002267 WO2008074308A1 (fr) | 2006-12-21 | 2007-12-17 | Articulation sphérique avec anneau de fermeture |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2104788A1 true EP2104788A1 (fr) | 2009-09-30 |
Family
ID=39186830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07856116A Withdrawn EP2104788A1 (fr) | 2006-12-21 | 2007-12-17 | Articulation sphérique avec anneau de fermeture |
Country Status (10)
Country | Link |
---|---|
US (1) | US20100054851A1 (fr) |
EP (1) | EP2104788A1 (fr) |
JP (1) | JP2010513804A (fr) |
KR (1) | KR20090101168A (fr) |
CN (1) | CN101595316A (fr) |
AU (1) | AU2007335063A1 (fr) |
BR (1) | BRPI0720503A2 (fr) |
DE (1) | DE102006061974A1 (fr) |
MX (1) | MX2009005197A (fr) |
WO (1) | WO2008074308A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120141192A1 (en) * | 2009-08-10 | 2012-06-07 | Iljin.Co.Ltd. | Ball joint structure and manufacturing method thereof |
US8925944B2 (en) | 2012-06-06 | 2015-01-06 | Federal-Mogul Products, Inc. | Control arm with socket |
DE102012223829A1 (de) * | 2012-12-19 | 2014-06-26 | Zf Friedrichshafen Ag | Gelenkeinrichtung für ein Kraftfahrzeug |
EP3034897B1 (fr) | 2014-12-15 | 2020-04-08 | Roller Bearing Company of America, Inc. | Palier sphérique avec joint d'étanchéité annulaire ayant une patte de joint auxiliaire s'étendant à partir de celui-ci |
JP6300772B2 (ja) * | 2015-10-02 | 2018-03-28 | 日本発條株式会社 | ボールジョイント |
CN105946487A (zh) * | 2016-06-28 | 2016-09-21 | 芜湖禾田汽车工业有限公司 | 球壳结构和使用该球壳结构的控制臂 |
DE102016225127A1 (de) | 2016-12-15 | 2018-06-21 | Zf Friedrichshafen Ag | Gelenk für ein Fahrzeug und Verfahren zum Herstellen eines solchen Gelenkes |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE929401C (de) * | 1955-06-02 | A. Ehrenreich &- Cie, Düsseldorf-Oberkassel | Kugelgelenk | |
US3395934A (en) * | 1965-10-22 | 1968-08-06 | Rosan Jose | Fittings for high pressure fluid lines |
DE2443214C2 (de) * | 1974-09-10 | 1975-12-11 | A. Ehrenreich & Cie, 4000 Duesseldorf | Kugelgelenk |
JPS6263414U (fr) * | 1985-10-11 | 1987-04-20 | ||
US5772352A (en) * | 1995-06-02 | 1998-06-30 | Toyota Jidosha Kabushiki Kaisha | Ball joint having extended service life |
DE19930445C2 (de) * | 1999-07-02 | 2002-03-07 | Zf Lemfoerder Metallwaren Ag | Radialkugelgelenk |
DE19943194C2 (de) * | 1999-09-09 | 2001-07-12 | Zf Lemfoerder Metallwaren Ag | Verfahren zur Herstellung eines reibungsarmen Kugelgelenkes und ein nach diesem Verfahren hergestelltes Kugelgelenk |
KR200203355Y1 (ko) * | 2000-06-03 | 2000-11-15 | 주식회사현양 | 볼슬리브 구조 |
BR0100428A (pt) * | 2001-01-24 | 2004-06-22 | Dana Industrial Ltda | Construção de mancal e caixa para articulação esférica |
DE10125227C2 (de) * | 2001-05-22 | 2003-06-05 | Zf Lemfoerder Metallwaren Ag | Kugelgelenk |
JP4020607B2 (ja) * | 2001-09-10 | 2007-12-12 | 日本発条株式会社 | ボールジョイントおよびその製造方法 |
DE10201022A1 (de) * | 2002-01-11 | 2003-07-24 | Zf Lemfoerder Metallwaren Ag | Kugelgelenk |
ATE384201T1 (de) * | 2004-11-25 | 2008-02-15 | Ind Aux Alavesa S A Inauxa S A | Kugelgelenk |
DE102005018663A1 (de) * | 2005-04-21 | 2006-11-02 | Zf Friedrichshafen Ag | Kugelgelenk |
-
2006
- 2006-12-21 DE DE102006061974A patent/DE102006061974A1/de not_active Ceased
-
2007
- 2007-12-17 KR KR1020097011379A patent/KR20090101168A/ko not_active Application Discontinuation
- 2007-12-17 WO PCT/DE2007/002267 patent/WO2008074308A1/fr active Application Filing
- 2007-12-17 AU AU2007335063A patent/AU2007335063A1/en not_active Abandoned
- 2007-12-17 BR BRPI0720503-1A patent/BRPI0720503A2/pt not_active Application Discontinuation
- 2007-12-17 JP JP2009541756A patent/JP2010513804A/ja active Pending
- 2007-12-17 CN CNA2007800473677A patent/CN101595316A/zh active Pending
- 2007-12-17 US US12/519,851 patent/US20100054851A1/en not_active Abandoned
- 2007-12-17 MX MX2009005197A patent/MX2009005197A/es not_active Application Discontinuation
- 2007-12-17 EP EP07856116A patent/EP2104788A1/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2008074308A1 * |
Also Published As
Publication number | Publication date |
---|---|
MX2009005197A (es) | 2009-05-28 |
WO2008074308A1 (fr) | 2008-06-26 |
DE102006061974A1 (de) | 2008-07-10 |
BRPI0720503A2 (pt) | 2014-02-04 |
KR20090101168A (ko) | 2009-09-24 |
AU2007335063A1 (en) | 2008-06-26 |
JP2010513804A (ja) | 2010-04-30 |
CN101595316A (zh) | 2009-12-02 |
US20100054851A1 (en) | 2010-03-04 |
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Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20100701 |