WO1991016549A1 - Joint universel telescopique a trois plans - Google Patents

Joint universel telescopique a trois plans Download PDF

Info

Publication number
WO1991016549A1
WO1991016549A1 PCT/US1990/004861 US9004861W WO9116549A1 WO 1991016549 A1 WO1991016549 A1 WO 1991016549A1 US 9004861 W US9004861 W US 9004861W WO 9116549 A1 WO9116549 A1 WO 9116549A1
Authority
WO
WIPO (PCT)
Prior art keywords
longitudinal
roller bearing
trunnion
guideways
flat
Prior art date
Application number
PCT/US1990/004861
Other languages
English (en)
Inventor
Francis L. Fillmore
Michael J. Schmidt
Original Assignee
Gkn Automotive, Inc.
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 Gkn Automotive, Inc. filed Critical Gkn Automotive, Inc.
Priority to JP91505926A priority Critical patent/JPH05506082A/ja
Publication of WO1991016549A1 publication Critical patent/WO1991016549A1/fr

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
    • F16D3/202—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 one coupling part having radially projecting pins, e.g. tripod joints
    • F16D3/205—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 one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
    • F16D3/2055—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 one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part having three pins, i.e. true tripod 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
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller 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
    • 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
    • F16D3/202—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 one coupling part having radially projecting pins, e.g. tripod joints
    • F16D2003/2023—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 one coupling part having radially projecting pins, e.g. tripod joints with linear rolling bearings between raceway and trunnion mounted shoes

Definitions

  • the invention is related to the field of universal joints and in particular to a telescopic triplan universal joint.
  • Telescopic triplan universal joints such as taught by Orain in U.S. Patents 4,490,126; 4,619,628; and 4,828,534 have an outer joint member 10 and an inner joint member 12 as shown in Figures 1 and 2.
  • the outer joint member 10 normally has three symmetrically disposed chambers, each chamber having a pair of opposing side walls. Each side wall in each chamber has a flat longitudinal guideway 14 which runs parallel to the axis of rotation of the outer joint member.
  • the longitudinal guideways 14 are spatially separated and parallel to each other.
  • the inner joint member consists of a spider member 16 which may be connected to a shaft 18.
  • the spider member 16 has three equally spaced radially extending trunnions 20. Each trunnion 20 extends into one of the chambers in the space between a pair of longitudinal guideways 14 as shown in Figure 2.
  • a button 22 and a planar roller bearing 24 Disposed between each trunnion 20 and the adjacent longitudinal guideway 14 is a button 22 and a planar roller bearing 24.
  • the button 22 has a concave surface which mates with the spherical surface of the trunnion 20 and a flat surface which engages the surface of the planar roller bearing 24 on the side opposite the longitudinal guideway 14.
  • the planar roller bearing 24 has a rectangularly shaped cage 26 in which are journaled a plurality of needle bearings 28.
  • the cage 26 also has a pair of lateral guides which are received in grooves provided on the opposite side of the longitudinal guideways 14 and a pair of transverse lips or stops 30 provided at its opposite ends to maintain the button 22 in contact with the surface of the planar roller bearing 24.
  • the transverse stops 30 are to prevent the button 22 from being disengaged from the planar roller bearing 24 when the inner joint member 12 is displaced at an angle relative to the outer joint member 10.
  • a spring (not shown) is used between the stops on the planar roller bearing and the button to help maintain the center of the planar roller bearing under the button.
  • the invention is a telescopic triplan universal joint having an outer joint member and an inner joint member.
  • the outer joint member has three symmetrically disposed chambers extending longitudinally therein about an axis of rotation of the outer joint member.
  • Each symmetrically disposed chamber has a pair of spatially separated opposing side walls and each side wall has a longitudinal guideway.
  • the inner joint member has three equally spaced radially extending trunnions which individually extend into one of the three symmetrically disposed chambers and extend between the longitudinal guideways.
  • Each of the trunnions has a spherical surface facing each of the guideways.
  • Each of the guideways is engaged by a planar roller bearing which is longitudinally movable therealong.
  • a movable race is disposed between each planar roller bearing and the adjacent trunnion.
  • the movable race has a flat surface engaging the planar roller bearing on the side opposite the guideway and a concave trunnion seat pivotally engaging the spherical surface of the trunnion.
  • the movable race also has a transverse stop abutment provided at each end which extends from the flat surface engaging the planar roller bearing towards the guideway to limit the longitudinal displacement of the planar roller bearing therebetween.
  • Another object of the invention is to provide the stops for the planar roller bearing on the movable race. Still another object of the invention is to permit limited unrestricted movement of the planar roller bearing by separating the stops provided on the movable race a distance greater than the length of the planar roller bearing.
  • Figure 1 is a partial cross-sectional side view of the prior art triplan universal joint
  • Figure 2 is a cross-sectional end view of a prior art triplan universal joint
  • Figure 3 is a partial cross-sectional side view showing the relationship between the planar roller bearing and the button;
  • Figure 4 is a partial cross-sectional side view of a triplan universal joint incorporating the invention;
  • Figure 5 is a cross-sectioned end view of the triplan universal joint shown in Figure 4 taken along lines 5 - 5;
  • Figure 6 is a partial cross-sectional side view showing the details of the movable race taken along lines 6 - 6 of Figure
  • Figure 7 is a perspective view of the movable race; and Figure 8 is a perspective view of a planar roller bearing.
  • FIG. 4 is a partial cross-sectional view of a telescopic triplan universal joint embodying the invention.
  • the universal joint has an outer joint member 32 and an inner joint member 34.
  • the outer joint member 32 has three equally spaced longitudinal chambers 36 generally parallel to the axis of rotation 38 of the outer joint member.
  • Each longitudinal chamber 36 has a pair of face-to-face spatially separated side walls. In each of these side walls a recessed longitudinal guideway 40 is formed which extends parallel to the axis of rotation 38.
  • the longitudinal guideways have flat surfaces which are parallel to the surface of the longitudinal guideway provided on the opposite wall.
  • the inner joint member 34 has a spider member 44.
  • the spider member 44 may be made integral with a shaft 46 or the spider member 44 and the shaft 46 may be separate elements rotatably joined to each other by mating splines 48 and axially locked by a lock washer 50 received in annular grooves provided in both the shaft and the spider member as shown in Figure 4.
  • the spider member 44 has three equally spaced radially extending trunnions 52, one of the trunnions 52 extending into each chamber 36 as shown in Figure 5. At least a portion of the external surface of each trunnion 52 has a spherical shape as shall be explained later herein.
  • a movable race 54 and a planar roller bearing 56 are disposed between each trunnion 52 and the adjacent recessed guideways 40 of the associated chamber 36.
  • the planar roller bearing 56 has a plurality of pin bearings 58 journaled in a rectangular cage member 60.
  • the pin bearings 58 rollingly engage the flat surface of the longitudinal guideway 40.
  • the movable race 54 has a flat surface 62 which rollingly engages the pin bearings 58 on the side opposite the guideway 40.
  • a transverse cylindrical trunnion seat 64 is disposed on the side of the movable race opposite the flat surface 62.
  • the movable race 54 also has a pair of stop abutments 66 disposed at its opposite ends which extend into the recessed guideway 40 on either side of the planar roller bearing 56.
  • the curvature of the cylindrical trunnion seat 64 mates with the spherical external surface of the trunnion 52.
  • the cylindrical trunnion seat 64 permits the movable race to remain in the recessed longitudinal guideways when the position of the spherical surface of the trunnion which contacts the cylindrical trunnion seat 64 is radially displaced as a result of the inner joint member 34 being disposed at an angle relative to the outer joint member 32.
  • the distance between the stop abutments 66 is greater than the length of the planar roller bearing 56 so that when the angle between the inner and outer joint members is less than a predetermined angle, the pin bearing assembly will not be engaged by the stop abutment 66 as the movable race 54 oscillates with the rotation of the universal joint. However, the stop abutment 66 will engage and displace the planar roller bearing 56 along the longitudinal guideway 40 when the relative axial position of the inner joint member to the outer joint member is changed or the angle between the inner joint member and the outer joint member exceeds a predetermined angle.
  • the details of the planar roller bearing 56 are shown in
  • FIG 8. As previously indicated, a plurality of pin bearings 58 are journaled in a rectangular cage member 60.
  • the width of the cage member 60 is selected so that it is slidably received in the recessed longitudinal guideways 40. It is not necessary that the entire external surface of the trunnion 52 have a spherical surface as shown in Figure 4.
  • the external surfaces of the trunnion 52 which engage the cylindrical trunnion seat 64 of the movable race needs to be spherically shaped.
  • the portion of the external surfaces of the trunnion which do not engage the cylindrical trunnion seat 64 may be flat as shown in Figure 1 or have any other shape known in the art.
  • the details of the movable race 54 are more clearly shown in the perspective view shown in Figure 7.
  • the advantages of placing the stop abutments 66 on the movable race are that the loaded cross-sectional area of the stop abutments 66 may be significantly increased over the structures taught by the prior art, as illustrated in Figure 3. Further, a higher structural steel may be used in the fabrication of the movable race, and the movable race may be heat treated to optimize its strength which was not possible when the stops were formed on the cage. As a result, a significant improvement in the durability of the triplan universal joint has been obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

Joint universel téléscopique à trois plans comportant un élément de joint intérieur (34) et un élément de joint extérieur (32). L'élément de joint extérieur (32) comprend trois chambres longitudinales (36) espacées également autour de l'axe de rotation. Chaque chambre (36) possède deux guides longitudinaux opposés (40). L'élément de joint intérieur (34) comporte trois tourillons (52) qui s'étendent radialement dans les trois chambres longitudinales (36). Sur chaque guide longitudinal (40) s'applique un roulement à rouleaux planaire (56) qui est mobile le long du guide. Une cage de roulement (54) est disposée entre chaque roulement à rouleaux planaire (56) et le tourillon (52) qui s'étend dans la chambre connexe. La cage de roulement (54) présente une surface plate (62) en contact avec le roulement à rouleaux planaire (56), un siège de tourillon (52), et deux butées d'arrêt transversales (66) qui limitent le déplacement longitudinal du roulement à rouleaux planaire (56) le long des guides (40) par rapport à la cage de roulement (54).
PCT/US1990/004861 1990-04-16 1990-08-27 Joint universel telescopique a trois plans WO1991016549A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP91505926A JPH05506082A (ja) 1990-04-16 1990-08-27 伸縮三面自在継手

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50914790A 1990-04-16 1990-04-16
US509,147 1990-04-16

Publications (1)

Publication Number Publication Date
WO1991016549A1 true WO1991016549A1 (fr) 1991-10-31

Family

ID=24025482

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1990/004861 WO1991016549A1 (fr) 1990-04-16 1990-08-27 Joint universel telescopique a trois plans

Country Status (4)

Country Link
EP (1) EP0524955A4 (fr)
JP (1) JPH05506082A (fr)
CA (1) CA2028941A1 (fr)
WO (1) WO1991016549A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5713797A (en) * 1995-02-02 1998-02-03 Gkn Automotive Ag Universal joint having arms of a tripod interacting with tracks of an outer joint member through two different intermediate members
US5772517A (en) * 1995-02-17 1998-06-30 Gkn Automotive Ag Transmission joint having a tripod element, the arms of the tripod element having spherical surfaces on axes offset from radii of the tripod element
US5797799A (en) * 1995-01-11 1998-08-25 Gkn Automotive Ag Sliding universal joint for a motor vehicle having a tripod with three journals each having two different force transmission components
EP0861992A1 (fr) * 1997-02-10 1998-09-02 Honda Giken Kogyo Kabushiki Kaisha Joint universel homocitétique
US5895322A (en) * 1995-01-11 1999-04-20 Gkn Automotive Ag Sliding universal joint having an anti-vibration assembly between a spherical roller and a runway
KR101759904B1 (ko) 2016-12-21 2017-07-20 이래오토모티브시스템 주식회사 트라이포드 등속 조인트

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490126A (en) * 1981-06-01 1984-12-25 Glaenzer Spicer Telescopic homokinetic joint
US4512750A (en) * 1982-04-20 1985-04-23 Glaenzer Spicer Transmission joint and in particular an articulated constant-speed joint for a motor vehicle
US4619628A (en) * 1983-11-04 1986-10-28 Glaenzer Spicer Arrangement of two elements which undergo an alternating sliding motion and its application in a slidable tripod joint
US4684356A (en) * 1985-06-17 1987-08-04 Ntn Toyo Bearing Co., Ltd. Roller bearing assemblies for a homokinetic universal joint
US4741723A (en) * 1985-04-19 1988-05-03 Glaenzer Spicer Slidable homokinetic joint, in particular for a lateral vehicle transmission
US4778434A (en) * 1986-04-29 1988-10-18 Toyota Jidosha Kabushiki Kaisha Slide-type constant velocity universal joint
US4828534A (en) * 1986-12-16 1989-05-09 Glaenzer Spicer Transmission joint including a damping of load reversals in particular for vehicles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1012081A (fr) * 1949-06-01 1952-07-03 Articulation à quatre billes
US3113807A (en) * 1961-10-12 1963-12-10 Automation Gages Inc Ball slide
FR1417896A (fr) * 1964-12-21 1965-11-12 Schaeffler Ohg Industriewerk Palier à billes pour mouvements longitudinaux
DE2532661C3 (de) * 1975-07-22 1978-03-09 Jean Walterscheid Gmbh, 5204 Lohmar Teleskopwelle, insbesondere für Landmaschinen
FR2583476B1 (fr) * 1985-06-14 1990-06-15 Glaenzer Spicer Sa Joint de transmission homocinetique coulissant destine aux vehicules automobiles

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490126A (en) * 1981-06-01 1984-12-25 Glaenzer Spicer Telescopic homokinetic joint
US4512750A (en) * 1982-04-20 1985-04-23 Glaenzer Spicer Transmission joint and in particular an articulated constant-speed joint for a motor vehicle
US4619628A (en) * 1983-11-04 1986-10-28 Glaenzer Spicer Arrangement of two elements which undergo an alternating sliding motion and its application in a slidable tripod joint
US4741723A (en) * 1985-04-19 1988-05-03 Glaenzer Spicer Slidable homokinetic joint, in particular for a lateral vehicle transmission
US4684356A (en) * 1985-06-17 1987-08-04 Ntn Toyo Bearing Co., Ltd. Roller bearing assemblies for a homokinetic universal joint
US4778434A (en) * 1986-04-29 1988-10-18 Toyota Jidosha Kabushiki Kaisha Slide-type constant velocity universal joint
US4828534A (en) * 1986-12-16 1989-05-09 Glaenzer Spicer Transmission joint including a damping of load reversals in particular for vehicles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0524955A4 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5797799A (en) * 1995-01-11 1998-08-25 Gkn Automotive Ag Sliding universal joint for a motor vehicle having a tripod with three journals each having two different force transmission components
US5895322A (en) * 1995-01-11 1999-04-20 Gkn Automotive Ag Sliding universal joint having an anti-vibration assembly between a spherical roller and a runway
US5713797A (en) * 1995-02-02 1998-02-03 Gkn Automotive Ag Universal joint having arms of a tripod interacting with tracks of an outer joint member through two different intermediate members
US5772517A (en) * 1995-02-17 1998-06-30 Gkn Automotive Ag Transmission joint having a tripod element, the arms of the tripod element having spherical surfaces on axes offset from radii of the tripod element
EP0861992A1 (fr) * 1997-02-10 1998-09-02 Honda Giken Kogyo Kabushiki Kaisha Joint universel homocitétique
US6165075A (en) * 1997-02-10 2000-12-26 Honda Giken Kogyo Kabushiki Kaisha Constant velocity universal joint
US6435972B1 (en) 1997-02-10 2002-08-20 Honda Giken Kogyo Kabushiki Kaisha Constant velocity universal joint
EP1188944A3 (fr) * 1997-02-10 2006-05-10 Honda Giken Kogyo Kabushiki Kaisha Joint universel homocinétique
KR101759904B1 (ko) 2016-12-21 2017-07-20 이래오토모티브시스템 주식회사 트라이포드 등속 조인트

Also Published As

Publication number Publication date
CA2028941A1 (fr) 1991-10-17
EP0524955A1 (fr) 1993-02-03
EP0524955A4 (en) 1993-07-21
JPH05506082A (ja) 1993-09-02

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