DE2461298B1 - Constant velocity swivel joint with the running balls arranged in groups - Google Patents
Constant velocity swivel joint with the running balls arranged in groupsInfo
- Publication number
- DE2461298B1 DE2461298B1 DE19742461298 DE2461298A DE2461298B1 DE 2461298 B1 DE2461298 B1 DE 2461298B1 DE 19742461298 DE19742461298 DE 19742461298 DE 2461298 A DE2461298 A DE 2461298A DE 2461298 B1 DE2461298 B1 DE 2461298B1
- Authority
- DE
- Germany
- Prior art keywords
- grooves
- joint body
- joint
- cage
- groove
- 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- Withdrawn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
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000009434 installation Methods 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- F16D3/226—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 cylinder co-axial with the respective coupling part
- F16D3/227—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 cylinder co-axial with the respective coupling part the joints being telescopic
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
- Forging (AREA)
- Rolling Contact Bearings (AREA)
Description
(I) JL = „g. «ft(I) JL = " g . «Ft
Es bedeutet:It means:
η Gesamtkugelanzahl im Gelenk,
mc Kugelanzähl einer Kugelgrüppe,
ng Anzahl der Kugelgruppen. η total number of balls in the joint,
mc ball count of a ball group,
n g number of groups of balls.
(II) % =(II)% =
360-(«t-l)at
η 360- (« t -l) a t
η
ocg Winkel zwischen zwei benachbarten Kugelrillen ocg angle between two adjacent ball grooves
zweier verschiedener Kügelgrüppen,
txjc Winkel zwischen zwei benachbarten Kugelrillen
einer Kugelgruppe.two different globule groups,
txjc Angle between two adjacent ball grooves of a ball group.
(Ill) »lc < Kg < 1 «Jfc .(Ill) "lc <Kg < 1 " Jfc.
Winkel oc% kleiner als Winkel ocgi welcher wiederum kleiner ist als der doppelte Winkel oca. Angle oc% smaller than angle oc gi which in turn is smaller than double the angle oca.
Bei Erfüllung dieser Bedingung ist gewährleistet, daß keine Kugel einer anderen Kugel gegenüberliegt,If this condition is met, it is guaranteed that no ball is opposite another ball,
3 43 4
(IV) Das Ergebnis der Gesamtkugelanzahl, dividiert dienenden Kugeln 1 im Abstand von 120° zu drei(IV) The result of the total number of balls, divides serving balls 1 at a distance of 120 ° to three
durch die doppelte Kugelanzahl einer Kugel- Kugelpaaren angeordnet, und je ein Kugelpaar wirdarranged by double the number of balls of a ball-ball pair, and each one ball pair is
gruppe, darf keine ganze Zahl ergeben. in einem gemeinsamen Fenster des Käfigs Ab gehalten. group, cannot result in a whole number. kept in a common window of the cage Ab .
Wird diese Bedingung erfüllt, so ist die Anzahl der 5 Es werden die allgemeinen Bedingungen erfüllt, Kugelgruppen in jedem Fall ungerade. und zwar ergibt sich aus Formel (I) bei einer Gesamt-Bevorzugte Ausführungsbeispiele der Erfindung sind kugelanzahl von sechs Kugeln 1 und zwei Kugeln 1 in der Zeichnung dargestellt. je Kugelgruppe, die Anzahl der Kugelpruppen von drei.If this condition is met, the number of 5 is met. The general conditions are met, Ball groups are always odd. namely results from formula (I) with an overall preferred Embodiments of the invention are the number of balls of six balls 1 and two balls 1 shown in the drawing. per group of balls, the number of ball pods of three.
Es zeigt Über Formel (II) wird der Winkel <xg, d. h. der Win-It shows via formula (II) the angle <x g , i.e. the wind
F i g. 1 ein bekanntes Gleichlaufdrehgelenk mit io kel zwischen zwei benachbarten Kugelrillen 2, 3 zweierF i g. 1 a known constant velocity universal joint with io angle between two adjacent ball grooves 2, 3 of two
sechs symmetrisch angeordneten Kugeln im Schnitt verschiedener Kugelgruppen, ermittelt,six symmetrically arranged balls in the intersection of different groups of balls, determined,
nach Linie II-II der F i g. 2, Der Winkel ock zwischen zwei benachbarten Kugel-according to line II-II of FIG. 2, The angle ock between two adjacent spherical
F i g. 2 ein bekanntes Gleichlauf drehgelenk mit rillen 2,3 einer Kugelrille 2,3 richtet sich nach demF i g. 2 a known constant velocity swivel joint with grooves 2.3 a ball groove 2.3 is based on the
Käfigsteuerung nach dem Offset-Prinzip im Schnitt Durchmesser der zur Drehmomentübertragung ver-Cage control according to the offset principle in the section diameter of the torque transmission
der Linie I-I der F i g. 1, 15 wendeten Kugeln 1.the line I-I of FIG. 1, 15 flipped balls 1.
F i g. 3 ein Gleichlaufdrehgelenk nach der Erfindung Bei Erfüllung der Bedingungen aus Formel (III),F i g. 3 a constant velocity universal joint according to the invention When the conditions from formula (III) are met,
mit paarweiser Anordnung der Kugeln im Schnitt nach ocjc kleiner als ocg, welcher wiederum kleiner ist als derwith a paired arrangement of the balls in the section according to ocjc smaller than oc g , which in turn is smaller than the
der Linie II-II der F i g. 2, doppelte Winkel «κ wird im Gelenk nach F i g. 3 ver-the line II-II of FIG. 2, double angle «κ is in the joint according to Fig. 3 ver
F i g. 4 die auftretenden Kräfte in jeweils einer Rille hindert, daß eine Kugel 1 einer anderen Kugel 1F i g. 4 prevents the forces occurring in one groove each, that one ball 1 of another ball 1
des äußeren und inneren Gelenkkörpers und einer im 20 gegenüberliegt.of the outer and inner joint body and one in the 20 opposite.
Käfigfenster angeordneten Kugel, Als letzte Bedingung ist auch die Formel (IV) erfüllt,Ball arranged in the cage window, the formula (IV) is also fulfilled as the last condition,
F i g. 5 die am Käfig, angreifenden Kräfte und Käfig- dadurch, daß die Gesamtkugelanzahl sechs dividiertF i g. 5 the forces acting on the cage and the cage by dividing the total number of balls by six
Steuermomente MS, durch die doppelte Kugelanzahl einer Kugelgruppe, Control torques MS, due to twice the number of balls in a group of balls,
F i g. 6 die periodisch schwankende Steuermomente zwei mal zwei gleich vier, keine ganze Zahl ergibt,F i g. 6 the periodically fluctuating control torque results in two times two equals four, not a whole number,
in Abhängigkeit des Umdrehungswinkels bei ver- 25 Der in F i g. 4 dargestellte Kräfteplan zeigt jeweilsdepending on the angle of rotation at different 25 The in F i g. 4 shows the force diagram shown in each case
schiedenen Teilungswinkel, eine Rille 2 und 3 der inneren und äußeren Gelenk-different pitch angles, a groove 2 and 3 of the inner and outer joint
F i g. 7 die Ausbildung des Käfigs. körper 5 und 6 in denen eine Kugel 1 im Käfig 4 an-F i g. 7 the design of the cage. body 5 and 6 in which a ball 1 in the cage 4
Das in F i g. 1 und 2 dargestellte Gleichlaufdreh- geordnet ist. Die Kugel 1 berührt die Laufrillen 2 und 3 gelenk besteht aus dem äußeren Gelenkkörper 5, in den Punkten A und D. Wird über den inneren Geweicher eine axial verlaufende zylindrische Bohrung 30 lenkkörper 6 das Antriebsmoment durch die Normalbesitzt. Umfangsverteilt über die Innenwand der Boh- kraft Pnα eingeleitet, so wird das Antriebsmoment rung sind parallel zu deren Längsachse verlaufende durch die Kraft Pnd über den äußeren Gelenkkörper 5 Rillen 2 eingearbeitet. In der Bohrung ist der innere abgeleitet. Dabei entsteht durch die sich kreuzenden Gelenkkörper 6 angeordnet, dessen Außenseite kugelig Laufrillen 2 und 3 die Kraft Pxi in Richtung A^Achse, ausgebildet ist und Längsrillen 3 aufweist. 35 die die Kugel 1 gegen den Käfig 4 drückt und durchThe in Fig. 1 and 2 shown synchronous rotation is ordered. The ball 1 touches the grooves 2 and 3 joint consists of the outer joint body 5, in points A and D. If an axially extending cylindrical bore 30 steering body 6 has the drive torque through the normal on the inner weight. Circumferentially distributed over the inner wall of the drilling force Pnα is introduced, so the drive torque tion is machined parallel to its longitudinal axis by the force Pnd over the outer joint body 5 grooves 2. The inner one is derived in the bore. The joint bodies 6 which cross each other and whose outer side has spherical running grooves 2 and 3, the force P x i in the direction of A ^ axis, is formed and has longitudinal grooves 3. 35 which presses the ball 1 against the cage 4 and through
Radial zwischen innerem 6 und äußerem Gelenk- den senkrechten Abstand Ri den Käfig 4 mit einem körper 5 befindet sich der Käfig 4, in dessen kugeligen Kippmoment Mxt = Pxi · Ri belastet (F i g. 5). Die Innenraum der innere Gelenkkörper 6 angeordnet ist Summe aller Kippmomente ergibt das Steuermo- und mit seiner kugeligen Außenfläche in der Bohrung ment Ms, welches, wie F i g. 6 zeigt, in Abhängigkeit der äußeren Gelenkkörper 5 geführt wird. Der Käfig 4 40 des Umdrehungswinkels periodisch um einen Mittelweist ferner über seinen Umfang verteilte Fenster auf, wert schwankt.The cage 4 with a body 5 is located radially between the inner 6 and the outer joint, the vertical distance Ri, with the cage 4 loaded in its spherical tilting moment M x t = Pxi · Ri (FIG. 5). The interior of the inner joint body 6 is arranged sum of all tilting moments results in the Steuermo- and with its spherical outer surface in the bore element Ms, which, as F i g. 6 shows, depending on the outer joint body 5 is guided. The cage 4 40 of the rotation angle periodically around a mean further has windows distributed over its circumference, value fluctuates.
in denen der Drehmomentübertragung dienende Der Schwingungsverlauf eines 6-Kugel-Gelenkesin which the torque transmission is used. The vibration curve of a 6-ball joint
Kugeln 1 gehalten sind, welche des weiteren in zwei mit einem Teilungswinkel «t = 60° ist in Kurve a Balls 1 are held, which is further divided into two with a pitch angle «t = 60 ° in curve a
sich gegenüberliegenden Rillen 2 und 3 des äußeren dargestellt, ein Teilungswinkel κ* = 45° in Kurve b opposite grooves 2 and 3 of the outer shown, a pitch angle κ * = 45 ° in curve b
und inneren Gelenkkörpers 5 und 6 aufgenommen 45 und ein Teilungswinkel at = 30° in Kurve c. Hierausand inner joint body 5 and 6 added 45 and a pitch angle at = 30 ° in curve c. From this
sind. Bei der vorstehend beschriebenen Gattung von ist ersichtlich, daß ein 6-Kugel-Gelenk bei paarweiserare. In the above-described type of it can be seen that a 6-ball joint in pairs
Gelenken sind die Mittelpunkte E \\ηά F der inneren Anordnung der Kugeln 1 und einem TeilungswinkelJoints are the centers E \\ ηά F of the inner arrangement of the balls 1 and a pitch angle
und äußeren Kugelflächen des Käfigs 4 mit gleichem von 30° ein sehr geringes Steuermoment Ms und somitand outer spherical surfaces of the cage 4 with the same of 30 ° a very low control torque Ms and thus
Abstand auf verschiedene Seiten der die Zentren der eine größere Laufruhe aufweist.Distance on different sides of the centers which has a greater smoothness.
Drehmomentübertragungselemente enthaltenen Ebene 50 In F i g. 7 ist der Käfig 4 b im Schnitt dargestellt,Torque transmitting elements contained level 50 in F i g. 7 the cage 4 b is shown in section,
angeordnet. Es sind drei Käfigfenster im Abstand von 120° ange-arranged. There are three cage windows at a distance of 120 °.
Das in F i g. 3 dargestellte Gleichlauf drehgelenk ordnet, jedes Fenster nimmt zwei Kugeln 1 auf. DurchThe in Fig. 3 arranged constant velocity swivel joint, each window accommodates two balls 1. By
entspricht im Prinzip dem in F i g. 1 und 2 daregstell- diese Aufteilung kann der Käfig Ab kostengünstigercorresponds in principle to that in FIG. 1 and 2 represent this division, the cage Ab can be more cost-effective
ten, jedoch sind die sechs der Drehmomentübertragung hergestellt werden.th, however, are the six of the torque transmission to be established.
Hierzu 5 Blatt ZeichnungenIn addition 5 sheets of drawings
Claims (1)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742461298 DE2461298B1 (en) | 1974-12-23 | 1974-12-23 | Constant velocity swivel joint with the running balls arranged in groups |
IT522575A IT1050831B (en) | 1974-12-23 | 1975-10-24 | HOMOCINETIC JOINT WITH SLIDING BALLS ARRANGED IN GROUPS |
BR7507846A BR7507846A (en) | 1974-12-23 | 1975-11-26 | GIRATORY JOINT, SYNCHRONOUS OR HOMOCINETIC GEAR JOINT, WITH GROUPED ROLLER BALLS |
GB5139575A GB1537067A (en) | 1974-12-23 | 1975-12-16 | Universal joints |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742461298 DE2461298B1 (en) | 1974-12-23 | 1974-12-23 | Constant velocity swivel joint with the running balls arranged in groups |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2461298B1 true DE2461298B1 (en) | 1975-11-13 |
Family
ID=5934501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19742461298 Withdrawn DE2461298B1 (en) | 1974-12-23 | 1974-12-23 | Constant velocity swivel joint with the running balls arranged in groups |
Country Status (4)
Country | Link |
---|---|
BR (1) | BR7507846A (en) |
DE (1) | DE2461298B1 (en) |
GB (1) | GB1537067A (en) |
IT (1) | IT1050831B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2726869A1 (en) * | 1994-11-11 | 1996-05-15 | Loehr & Bromkamp Gmbh | HOMOCINETIC JOINT |
DE19704761A1 (en) * | 1997-02-08 | 1998-08-13 | Gkn Automotive Ag | Constant velocity ball joint for e.g. clutches, brakes of vehicles |
DE10033491C2 (en) * | 2000-07-10 | 2003-11-20 | Gkn Loebro Gmbh | Fixed constant-velocity ball joint with pairs of balls, the tracks of which lie in symmetrical planes |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6299542B1 (en) | 1998-04-15 | 2001-10-09 | Nsk Ltd. | Constant velocity joint and rolling bearing unit for wheel |
JP4994689B2 (en) | 2006-03-27 | 2012-08-08 | Ntn株式会社 | Fixed constant velocity universal joint |
WO2008032600A1 (en) | 2006-09-14 | 2008-03-20 | Ntn Corporation | Fixed constant velocity universal joint |
US8282495B2 (en) | 2007-03-27 | 2012-10-09 | Ntn Corporation | Fixed type constant velocity universal joint |
CN112026920A (en) * | 2019-06-04 | 2020-12-04 | 陈鹏任 | Automobile front wheel transmission steering device |
-
1974
- 1974-12-23 DE DE19742461298 patent/DE2461298B1/en not_active Withdrawn
-
1975
- 1975-10-24 IT IT522575A patent/IT1050831B/en active
- 1975-11-26 BR BR7507846A patent/BR7507846A/en unknown
- 1975-12-16 GB GB5139575A patent/GB1537067A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2726869A1 (en) * | 1994-11-11 | 1996-05-15 | Loehr & Bromkamp Gmbh | HOMOCINETIC JOINT |
DE19704761A1 (en) * | 1997-02-08 | 1998-08-13 | Gkn Automotive Ag | Constant velocity ball joint for e.g. clutches, brakes of vehicles |
DE19704761C2 (en) * | 1997-02-08 | 1999-02-04 | Gkn Automotive Ag | Ball constant velocity swivel |
US6071195A (en) * | 1997-02-08 | 2000-06-06 | Gkn Automotive Ag | Constant velocity universal ball joint |
DE10033491C2 (en) * | 2000-07-10 | 2003-11-20 | Gkn Loebro Gmbh | Fixed constant-velocity ball joint with pairs of balls, the tracks of which lie in symmetrical planes |
Also Published As
Publication number | Publication date |
---|---|
IT1050831B (en) | 1981-03-20 |
GB1537067A (en) | 1978-12-29 |
BR7507846A (en) | 1976-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
EGA | New person/name/address of the applicant | ||
8339 | Ceased/non-payment of the annual fee |