DE1202588B - Ball cage of a constant velocity swivel joint - Google Patents
Ball cage of a constant velocity swivel jointInfo
- Publication number
- DE1202588B DE1202588B DEL49696A DEL0049696A DE1202588B DE 1202588 B DE1202588 B DE 1202588B DE L49696 A DEL49696 A DE L49696A DE L0049696 A DEL0049696 A DE L0049696A DE 1202588 B DE1202588 B DE 1202588B
- Authority
- DE
- Germany
- Prior art keywords
- cage
- balls
- longitudinal grooves
- constant velocity
- joint
- 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.)
- Pending
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22303—Details of ball cages
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22306—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts having counter tracks, i.e. ball track surfaces which diverge in opposite directions
Description
Kugelkäfig eines Gleichlaufdrehgelenkes Die Erfindung bezieht sich auf einen Käfig für Kugeln eines Gleichlaufdrehgelenkes mit Drehmomentübertragung durch die Kugeln, die zwischen einem inneren und einem äußeren Gelenkkörper in Längsrillen dieser beiden Gelenkkörper geführt sind, wobei die durch Fenster des Käfigs hindurchgreifenden Kugeln von diesem in einer Ebene gehalten sind. Die Erfindung bezieht sich allgemein auf Gleichlaufgelenke mit beliebigem Verlauf ihrer Längsrillen, bringt aber besondere Vorteile bei Gelenken, bei denen sich die Längsrillen wechselweise in entgegengesetzter Richtung keilförmig öffnen.Ball cage of a constant velocity universal joint The invention relates on a cage for balls of a constant velocity universal joint with torque transmission by the balls, which between an inner and an outer joint body in longitudinal grooves of these two joint bodies are guided, the penetrating through the window of the cage Balls are held by this in one plane. The invention relates generally to on constant velocity joints with any course of their longitudinal grooves, but brings special Advantages for joints in which the longitudinal grooves alternate in opposite directions Open direction in a wedge shape.
Zur Erzielung des Gleichlaufs solcher Drehgelenke müssen die Kugeln stets in der Ebene liegen, die bei jedem Beugungswinkel des Gelenkes den Winkel zwischen den Quermittelebenen der beiden Gelenkkörper halbiert. Es gibt viele verschiedene Arten der Rillenführung, um diese Bedingung zu erfüllen. Beispielsweise können sich jeweils keilförmig öffnende Längsrillen des inneren und des äußeren Gelenkkörpers jeweils in denselben, die gemeinsame Achse der fluchtenden Wellen enthaltenden Ebenen angeordnet sein. Dabei muß der Keilwinkel stets oberhalb des Reibungswinkels der zusammenwirkenden Materialien der Kugeln und der Längsrillen der Gelenkkörper sein. Bei dieser Rillenanordnung müssen die Kugeln von dem zwischen den beiden Gelenkkörpern angeordneten Käfig gehalten sein. Beim Beugen des Gelenkes wird auf die Kugeln, die sich in den Längsrillen bewegen, eine Führungskraft in Richtung auf die Gleichlaufebene ausgeübt. Die Längsrillen können je Gelenkkörper eine gleichbleibende Steigungsrichtung haben bzw. sich alle nach derselben Seite keilförmig öffnen. Dann üben die Kugeln jedoch insbesondere bei größeren Drehzahlen einen axialen Druck auf den Käfig aus. Um dies zu vermeiden, ist im allgemeinen bei Gelenken für hohe Drehzahlen vorgesehen, daß der Anstieg bzw. die Öffnung des Keilwinkels der Längsrillen desselben Gelenkkörpers wechselweise nach entgegengesetzten Richtungen hin erfolgt. Die Längsmittellinien solcher Längsrillen können dabei jede beliebige stetige, z. B. geradlinige oder kreisbogenförmige, Form haben.To achieve the synchronization of such swivel joints, the balls always lie in the plane that defines the angle at every flexion angle of the joint halved between the transverse central planes of the two joint bodies. There are many different Types of groove guide to meet this requirement. For example, you can each wedge-shaped opening longitudinal grooves of the inner and outer joint body each in the same planes containing the common axis of the aligned shafts be arranged. The wedge angle must always be above the friction angle of the cooperating materials of the balls and the longitudinal grooves of the joint body. With this groove arrangement, the balls must be separated from the one between the two joint bodies be held arranged cage. When the joint is bent, the balls who move in the longitudinal grooves, a leader in the direction of the synchronous plane exercised. The longitudinal grooves can have a constant slope direction for each joint body or they all open in a wedge shape on the same side. Then practice the balls however, especially at higher speeds, there is an axial pressure on the cage. To avoid this, joints for high speeds are generally provided: that the rise or the opening of the wedge angle of the longitudinal grooves of the same joint body takes place alternately in opposite directions. The longitudinal centerlines such longitudinal grooves can be any continuous, z. B. rectilinear or circular arc-shaped, have shape.
Bei Gleichlaufdrehgelenken dürfen die Kugeln in den Rillen weder zu fest noch zu lose eingepaßt sein. Sind sie zu fest eingepaßt, so entstehen Schwierigkeiten bei höheren Drehzahlen, da die Kugeln ihrer Hin- und Herbewegung bei der Umdrehung einen zu großen Widerstand entgegensetzen. Bei zu loser Passung hingegen tritt Klappern und schließlich Schlagen des Gelenkes ein. Besonders kritisch ist dies bei den genannten Gleichlaufdrehgelenken, bei denen sich die Längsrillen der Kugeln wechselweise in entgegengesetzter Richtung keilförmig öffnen. Zur Vermeidung dieser Nachteile ist es bekannt, daß die Kugeln sowohl in den Fenstern unter einer Vorspannung senkrecht zur Ebene der Kugeln und bei sich keilförmig öffnenden Längsrillen außerdem in den Längsrillen unter einer vom Käfig verliehenen, jeweils zum Schnittpunkt der Schenkel des Keilwinkels der Längsrillen gerichteten Vorspannung gehalten sind. Dazu hat man aber bisher nur relativ starre und massive Käfige benutzt.In constant velocity swivel joints, the balls in the grooves must not close fit tightly or too loosely. If they fit too tightly, difficulties arise at higher speeds because the balls move back and forth as they rotate to oppose too much resistance. If the fit is too loose, however, rattling occurs and finally hitting the joint. This is particularly critical with the ones mentioned Constant velocity joints in which the longitudinal grooves of the balls alternate in open in the opposite direction in a wedge shape. To avoid these disadvantages is it is known that the balls are perpendicular both in the windows under a bias to the level of the balls and in the case of longitudinal grooves that open in the shape of a wedge also in the Longitudinal grooves under one given by the cage, each at the intersection of the legs of the wedge angle of the longitudinal grooves directed bias are held. To do this has but so far only relatively rigid and massive cages have been used.
Der Erfindung liegt die Aufgabe zugrunde, die Einfederungsverhältnisse der Kugeln im Käfigfenster sowie in den Längsrillen zu verbessern.The invention is based on the object of the compression ratio of the balls in the cage window and in the longitudinal grooves.
Hierzu ist nach der Erfindung vorgesehen, daß die Käfigfensterweite federnd und auch der Käfig selber federnd ausgebildet sind und hierzu jeweils ein an sich bekannter Schlitz im sich parallel zur Ebene der Kugeln erstreckenden unbelasteten Randsteg der Käfigfenster vorgesehen ist. Es ist bekannt, derartige Schlitze nur auf einer Seite eines Käfigs eines Gleichlaufdrehgelenkes vorzusehen, um diesen Käfigbereich zum Einführen des inneren Gelenkkörpers aufbiegen zu können. Anschließend wird jedoch der Käfig wieder in die Ausgangslage zruückgebogen und in dieser Lage durch einen Sicherungsring fixiert, so daß die geschlitzte Käfigausbildung nicht zur Käfigfederung beiträgt.For this purpose, it is provided according to the invention that the cage window width resilient and also the cage itself are resilient and for this purpose each one known slot in the unloaded one extending parallel to the plane of the balls Edge web of the cage window is provided. It is known such slots only on one side of a cage of a constant velocity universal joint to provide this To be able to bend the cage area to insert the inner joint body. Afterward however, the cage is bent back into its starting position and in this position fixed by a locking ring so that the slotted cage training does not contributes to the cage suspension.
Durch die Anordnung der Erfindung läßt sich sowohl die erwünschte Vorspannung der Kugeln in den Fenstern als auch in den Rillen wesentlich verbessern. Die Erfindung ist dabei besonders vorteilhaft anwendbar bei Gleichlaufdrehgelenken, bei denen der innere Gelenkkörper relativ zum äußeren verschiebbar ist; denn dann kann das Gleichlaufdrehgelenk außer in den Endstellungen einem Schub in Richtung einer der Gelenkwellen durch relatives Verschieben der beiden Gelenkkörper gegeneinander ausweichen, so daß der Käfig kaum einer Verformung und Abnutzung bei einem Schub in Richtung einer der Wellen ausgesetzt ist.The arrangement of the invention can be both the desired Significantly improve the preload of the balls in the windows and in the grooves. The invention can be used particularly advantageously in constant velocity swivel joints, in which the inner joint body is displaceable relative to the outer one; because then the constant velocity swivel can give a thrust in the direction except in the end positions one of the cardan shafts by moving the two joint bodies relative to one another evade, so that the cage hardly any deformation and wear and tear is exposed to a thrust in the direction of one of the waves.
Die Erfindung wird im folgenden an Hand schematischer Zeichnungen an einem Ausführungsbeispiel mit sich keilförmig öffnenden Längsrillen erläutert.The invention is described below with reference to schematic drawings explained using an exemplary embodiment with longitudinal grooves opening in a wedge shape.
F i g. 1 a zeigt die Abwicklung eines Käfigs 1 in bekannter Ausführung. Hier ergibt das Maß Laufkugeldurchmesser minus Breite der Fenster 2 die federnde Halterung der Laufkugeln im Fenster, während bei dem in F i g. 3 an Hand eines Längsschnitts durch ein zusammengesetztes Gelenk illustrierten Beispiel bei kreisbogenförmiger Ausbildung der Laufrille im äußeren Gelenkkörper mit dem Radius R und im inneren Gelenkkörper mit dem Radius r um einen gegenüber dem Gelenkmittelpunkt versetzten Punkt der Laufkugeldurchmesser minus dem Maß R-r die Einfederung der Laufkugeln in die Keilöffnung der Laufrillen ergibt.F i g. 1 a shows the development of a cage 1 in a known design. Here the dimension of the ball diameter minus the width of the window 2 results in the resilient one Holding the balls in the window, while in the case of FIG. 3 on the basis of a longitudinal section Example illustrated by a compound joint in the case of a circular arc Formation of the running groove in the outer joint body with the radius R and in the inner Joint body with the radius r offset by one relative to the joint center point Point of the ball diameter minus the dimension R-r the deflection of the ball results in the wedge opening of the grooves.
In F i g. 1 b ist die Abwicklung des Käfigs 10 nach der Erfindung dargestellt. Er hat, bei sonst gleichen Abmessungen wie der bekannte Käfig 1, größere Federung insbesondere infolge der wechselseitigen Einschnitte 13 in den unbelasteten Stegen 14, und zwar eine etwa 8fach größere Federung der Laufkugel in den Fensteröffnungen 12.In Fig. 1 b shows the development of the cage 10 according to the invention. With otherwise the same dimensions as the known cage 1, it has greater resilience, in particular as a result of the alternating incisions 13 in the unloaded webs 14, namely an approximately eight times greater resilience of the ball in the window openings 12.
F i g. 2 a zeigt, wie unter Verdrehlast des Gelenkes die Laufkugeln jeweils in Pfeilrichtung die Stege des Käfigs in bekannter Weise belasten und damit den gesamten Käfig verformen.F i g. 2 a shows how the ball bearings are subjected to the torsional load of the joint each load the webs of the cage in a known manner in the direction of the arrow and thus deform the entire cage.
F i g. 2 b zeigt an einem Käfig entsprechend der Erfindung die Verformung, die durch das geringere Widerstandsmoment infolge der Schlitze 13 eine etwa 30fache Federung der Laufkugeln in den Keilöffnungen der Rillen im Vergleich zum Käfig nach F i g. 2 a hat. Diese Käfigausführung ermöglicht außerdem eine Vergröberung der Maßhaltigkeit der Fenster 12.F i g. 2 b shows the deformation of a cage according to the invention, that due to the lower section modulus due to the slots 13 is about 30 times as high Suspension of the running balls in the wedge openings of the grooves compared to the cage F i g. 2 a has. This cage design also enables the Dimensional accuracy of the windows 12.
Beim Zusammenbau des Gelenkes ist der Käfig so einzusetzen, daß der jeweils nicht unterbrochene Steg in Richtung der Keilwinkelöffnung der Laufrillen steht, so daß gemäß F i g. 2 die Laufkugeln den Käfig in der durch Pfeile bezeichneten Richtung belasten.When assembling the joint, the cage is to be used so that the each uninterrupted web in the direction of the wedge angle opening of the grooves stands, so that according to FIG. 2 the running balls the cage in the indicated by arrows Weight direction.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL49696A DE1202588B (en) | 1963-03-15 | 1963-03-15 | Ball cage of a constant velocity swivel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL49696A DE1202588B (en) | 1963-03-15 | 1963-03-15 | Ball cage of a constant velocity swivel joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1202588B true DE1202588B (en) | 1965-10-07 |
Family
ID=7273110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEL49696A Pending DE1202588B (en) | 1963-03-15 | 1963-03-15 | Ball cage of a constant velocity swivel joint |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1202588B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2388163A1 (en) * | 1977-04-22 | 1978-11-17 | Uni Cardan Ag | HOMOCINETIC JOINT |
| DE3233753A1 (en) * | 1982-09-11 | 1984-03-15 | Sobhy Labib Dipl.-Ing. 5210 Troisdorf Girguis | CV DRIVE JOINT |
| WO2005026568A1 (en) * | 2003-08-18 | 2005-03-24 | Gkn Driveline International Gmbh | Counter ball joint with an improved spherical cage |
| WO2007090428A1 (en) * | 2006-02-10 | 2007-08-16 | Gkn Driveline Deutschland Gmbh | Counter track joint having stop means for a multiple-part drive shaft |
| DE102010010479A1 (en) | 2010-03-06 | 2011-09-08 | Neumayer Tekfor Holding Gmbh | Cage for ball joint and ball joint |
| DE102010010487A1 (en) | 2010-03-06 | 2011-09-08 | Neumayer Tekfor Holding Gmbh | Cage for ball joint and ball joint |
| DE102008008212B4 (en) * | 2008-02-08 | 2020-09-03 | Volkswagen Ag | Ball displacement joint with inclined ball tracks |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2309939A (en) * | 1939-12-09 | 1943-02-02 | Adiel Y Dodge | Universal joint |
| FR1258679A (en) * | 1960-06-02 | 1961-04-14 | Universal joint at constant speed | |
| US3067595A (en) * | 1961-02-02 | 1962-12-11 | Faure Henry | Homokinetic universal joint |
-
1963
- 1963-03-15 DE DEL49696A patent/DE1202588B/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2309939A (en) * | 1939-12-09 | 1943-02-02 | Adiel Y Dodge | Universal joint |
| FR1258679A (en) * | 1960-06-02 | 1961-04-14 | Universal joint at constant speed | |
| US3067595A (en) * | 1961-02-02 | 1962-12-11 | Faure Henry | Homokinetic universal joint |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2388163A1 (en) * | 1977-04-22 | 1978-11-17 | Uni Cardan Ag | HOMOCINETIC JOINT |
| DE3233753A1 (en) * | 1982-09-11 | 1984-03-15 | Sobhy Labib Dipl.-Ing. 5210 Troisdorf Girguis | CV DRIVE JOINT |
| US7966730B2 (en) | 2003-08-18 | 2011-06-28 | Gkn Driveline International Gmbh | Method of assembling a constant velocity joint |
| WO2005026568A1 (en) * | 2003-08-18 | 2005-03-24 | Gkn Driveline International Gmbh | Counter ball joint with an improved spherical cage |
| DE10337919B4 (en) * | 2003-08-18 | 2008-01-24 | Gkn Driveline International Gmbh | Counter track joint with improved ball cage |
| US7507160B2 (en) | 2003-08-18 | 2009-03-24 | Gkn Driveline International Gmbh | Counter track joint with a ball cage |
| WO2007090428A1 (en) * | 2006-02-10 | 2007-08-16 | Gkn Driveline Deutschland Gmbh | Counter track joint having stop means for a multiple-part drive shaft |
| DE102008008212B4 (en) * | 2008-02-08 | 2020-09-03 | Volkswagen Ag | Ball displacement joint with inclined ball tracks |
| DE102010010479A1 (en) | 2010-03-06 | 2011-09-08 | Neumayer Tekfor Holding Gmbh | Cage for ball joint and ball joint |
| DE102010010487A1 (en) | 2010-03-06 | 2011-09-08 | Neumayer Tekfor Holding Gmbh | Cage for ball joint and ball joint |
| WO2011110155A1 (en) | 2010-03-06 | 2011-09-15 | Neumayer Tekfor Holding Gmbh | Cage for ball joint and ball joint |
| WO2011110154A1 (en) | 2010-03-06 | 2011-09-15 | Neumayer Tekfor Holding Gmbh | Cage for ball joint and ball joint |
| US8419554B2 (en) | 2010-03-06 | 2013-04-16 | Neumayer Tekfor Holding Gmbh | Cage for ball joint and ball joint |
| DE102010010487B4 (en) | 2010-03-06 | 2022-01-13 | Neumayer Tekfor Engineering Gmbh | Cage for ball joint and ball joint |
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