WO2003004891A1 - Articulation tournante a tige creuse sur la partie exterieure de l'articulation - Google Patents

Articulation tournante a tige creuse sur la partie exterieure de l'articulation Download PDF

Info

Publication number
WO2003004891A1
WO2003004891A1 PCT/EP2002/004926 EP0204926W WO03004891A1 WO 2003004891 A1 WO2003004891 A1 WO 2003004891A1 EP 0204926 W EP0204926 W EP 0204926W WO 03004891 A1 WO03004891 A1 WO 03004891A1
Authority
WO
WIPO (PCT)
Prior art keywords
pin
joint
hollow
joint part
ring
Prior art date
Application number
PCT/EP2002/004926
Other languages
German (de)
English (en)
Inventor
Norbert Schneider
Ralf Kosmehl
Original Assignee
GKN Löbro GmbH
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 Löbro GmbH filed Critical GKN Löbro GmbH
Publication of WO2003004891A1 publication Critical patent/WO2003004891A1/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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
    • F16D3/843—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers
    • F16D3/845—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers allowing relative movement of joint parts due to the flexing of the cover

Definitions

  • the invention relates to a swivel joint in the assembled state with a grease filling and elastic sealing means, comprising an inner joint part which is connected to a shaft, an outer joint part to which a hollow pin is formed with an internal toothing, the inner opening of which merges openly into the joint interior, and rolling elements for Torque transmission between the outer joint part and the inner joint part.
  • the inner opening of the hollow pin merges into the expanded interior of the outer joint part, in particular with an undiminished cross section.
  • the opening leading from the interior of the joint into the hollow pin must be closed beforehand so that the grease does not flow away through the hollow pin.
  • it has hitherto been customary to screw in a shoulder at the transition from the inner opening of the hollow pin to the interior of the joint, into which a round, curved metal cover is pressed captively from the inside of the joint.
  • the additional mechanical processing Step to display the seat is relatively expensive.
  • the invention is therefore based on the object of providing a swivel joint which is prepared for joint assembly and which can be produced at reduced costs.
  • the solution to this is that the inner opening in the hollow spigot is closed only by a spigot inserted into it and the spigot is sealed off from the inner opening by a ring made of deformed elastic sealing compound.
  • the spigot can be a cup-shaped hollow plug made of sheet metal or plastic - during storage and transport until installation - which has a reduced-diameter shoulder at its front end, which forms a defined gap with the inner opening of the hollow spigot , which is sealed by the ring made of deformed elastic sealing compound, or - after installation of the sheeting.
  • the shaft journal is provided with a chamfer at the free end, the ring made of elastic sealing compound being effective between the chamfer and the internal toothing of the hollow journal.
  • the inserted pin sealed by the ring made of elastic sealing compound takes place.
  • This pin can be a cup-shaped hollow plug to be removed later as a placeholder for the shaft pin to be inserted later.
  • the pin can optionally also be formed directly by a permanently used shaft pin for torque transmission.
  • a circumferential bead made of elastic sealing compound is first inserted into the inner opening of the hollow pin. This can in particular be inserted in an area in which the teeth of the internal toothing are removed by a screwing.
  • an elastic sealing material for example, "Hylo ar" ® is suitable, which can be applied as a plastic material and solidifies through elastic contact with the elastic material.
  • a pin acting as a plug is inserted into the hollow pin, which has a shoulder with a reduced diameter at the front end inserted first, which forms an annular gap with the inner opening of the hollow pin and, when the pin is inserted, the ring made of elastic material widely deformed that the interior of the outer joint part is temporarily sealed.
  • the pin used can be designed as a cup-shaped hollow plug made of plastic or sheet metal and have a flange at the rear end, which serves as a stop when inserted into the hollow pin.
  • the pin can be purely cylindrical on the outside and can be inserted with a slight press fit into the internal toothing of the hollow pin.
  • the complete assembly of the joint including introducing the grease filling of the outer joint part and sealing the outer joint part against the shaft connected to the inner joint part, can take place, the pin acting as a plug preventing the grease filling from escaping.
  • the finished joint can be transported to the place of installation. There, the pin acting as a plug can be removed and by a shaft pin with external teeth, for.
  • a transmission output pin of a differential gear or a hub pin of a wheel carrier assembly can be replaced by the hollow pin of the joint on the corresponding shaft journal, which is already installed in the motor vehicle, is plugged.
  • the gears mentioned here mesh with one another for torque transmission.
  • Axial securing of the shaft journal with respect to the hollow journal can take place in the usual way by means of a retaining ring inserted in ring grooves.
  • Said shaft journal is preferably provided with a chamfer at the front free end and in any case so long that it again elastically deforms the ring of sealing material, which is partially elastically deformed after the journal acting as a plug has been removed.
  • the ring for sealing can be kept permanently deformed or inserted into the external toothing of the pin and between. the interlocking teeth or the circumferential groove in the hollow pin and the external teeth on the shaft pin are pressed in a sealing manner.
  • the radial deformation of the ring made of elastic material is stronger than with the previously used placeholder pin for assembly and transport.
  • a shaft journal with external teeth is inserted into the hollow journal immediately after the ring made of elastic material has been inserted, which initially assumes the function of the plug for the complete assembly, but at the same time already serves for later torque transmission.
  • the shape and the interaction with the ring made of elastic material corresponds completely to the shaft journal described above.
  • FIG. 1 shows an assembled joint according to the invention in the form of a tripod joint; a) in longitudinal section b) in cross section;
  • Figure 2 shows the outer joint part of the joint of Figure 1 as a detail after inserting the ring of sealing compound
  • Figure 3 shows the outer joint part of Figure 2 after insertion of a first pin for assembly and transportation
  • Figure 4 shows the outer joint part of Figure 2 with inserted second pin in a first embodiment
  • FIG. 5 shows the outer joint part according to FIG. 2 with the second pin inserted in a second embodiment.
  • the tripod joint 10 comprises an inner joint part 11 with a hub 12 and three circumferentially distributed tripod pins 13, on which multi-part roller arrangements 14 are suspended.
  • a shaft 15 is inserted into the inner joint part 11.
  • the inner joint part 11 is seated in an outer joint part 21 in which the roller assemblies 14 can roll axially.
  • the open annular gap between shaft 15 and outer joint part 21 is sealed by a bellows 16, which tels 17, 18 is fixed on the shaft or in the outer joint part.
  • a hollow pin 22 is formed on the outer joint part 21, into which a cup-like hollow plug 31 is inserted. This is described in more detail using the following drawings.
  • FIG. 2 shows the outer joint part 21 of the tripod joint according to FIG. 1 as a detail with a hollow spigot 22 integrally formed on it.
  • the interior 23 merges into the inner opening 24 of the hollow spigot without narrowing the cross-section.
  • Roller conveyors 25 are indicated in the interior 23.
  • An internal toothing 26 is produced in the inner opening 24, in particular by broaching.
  • the internal toothing can be removed in an axial area by a recess 29 into which a ring 27 made of elastic sealing compound is inserted.
  • the ring 27 made of elastic sealing compound can also be molded directly into the internal toothing.
  • an annular groove 28 is provided for receiving an axial locking ring.
  • a hollow plug 31 of the first type in the form of a cup with a closing bottom 32 and a rear flange stop 33 is inserted into the previously open inner opening 24 of the hollow pin 22.
  • a reduced-diameter shoulder 34 is provided, which forms an annular gap 35 with respect to the internal toothing 24 at a radial distance from the tooth tips.
  • the shoulder 34 is in contact with the ring 27 made of elastic sealing compound and thus seals the interior 23 against the pin interior 24.
  • the cup-shaped hollow plug 31 made of sheet metal or plastic is seated with a prestress in the internal toothing 26.
  • FIG. 4 again shows the outer joint part according to FIG.
  • the hollow plug 31 is removed in this illustration and replaced by a shaft journal 41 with external toothing 42, which is inserted into the hollow journal 22 and cooperates with the internal toothing 26 thereof.
  • the ' shaft journal 41 has a chamfer 43 at the front free end and, at some distance therefrom, an annular groove 44 which is equipped with a locking ring 45 which is snapped into the annular groove 28 in the hollow journal 22.
  • the chamfer 43 lies in the area of the ring 27 made of elastic sealing compound. This is much more compressed than by the paragraph of the previously used hollow plug. Sealing of the joint interior 26 to the outside is hereby reliably ensured. A positive distance a between the ring 27 and the end of the internal toothing 26 must be maintained.
  • FIG. 5 the outer joint part according to FIG. 2 is again shown as a detail, it being assumed that there is actually a completely assembled joint according to FIG. 1.
  • the same details are given the same reference numbers.
  • FIGS. 2 and 3 an outer joint part 21 with an inserted shaft journal 41 'is shown in a modified version.
  • the same details are given the same reference numbers.
  • the distance between the ring groove 44 for receiving the locking ring 45 and chamfer 43 at the front end of the pin 41 ' is larger, so that with the same arrangement of the ring 27 made of elastic sealing compound as before. this is completely pressed between the teeth 26, 42 to seal the joint interior 23 to the outside.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

L'invention concerne une articulation tournante (10) qui, étant montée, comporte une charge de graisse et des moyens d'étanchéité élastiques. Cette articulation est composée des éléments suivants : une partie intérieure d'articulation (11) reliée à un arbre (15) ; une partie extérieure d'articulation (21), sur laquelle est formée une tige creuse (22) à denture interne, dont l'orifice intérieur s'ouvre sur la cavité intérieure de l'articulation ; des éléments de roulement pour la transmission du couple entre la partie intérieure d'articulation (11) et la partie extérieure d'articulation (21). L'invention est caractérisée en ce que l'orifice intérieur dans la tige creuse (22) est fermé uniquement par un axe (31) inséré dans celui-ci, cet axe (31) fermant hermétiquement relativement à l'orifice intérieur au moyen d'une bague formée dans une matière d'étanchéité élastique.
PCT/EP2002/004926 2001-07-05 2002-05-04 Articulation tournante a tige creuse sur la partie exterieure de l'articulation WO2003004891A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10132657A DE10132657B4 (de) 2001-07-05 2001-07-05 Drehgelenk mit Hohlzapfen am Gelenkaußenteil
DE10132657.2 2001-07-05

Publications (1)

Publication Number Publication Date
WO2003004891A1 true WO2003004891A1 (fr) 2003-01-16

Family

ID=7690743

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/004926 WO2003004891A1 (fr) 2001-07-05 2002-05-04 Articulation tournante a tige creuse sur la partie exterieure de l'articulation

Country Status (3)

Country Link
DE (1) DE10132657B4 (fr)
FR (1) FR2827022B1 (fr)
WO (1) WO2003004891A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006133550A1 (fr) * 2005-06-13 2006-12-21 Duc Dao Joint interne pour capuchon d'articulation homocinétique
WO2012171613A1 (fr) * 2011-06-11 2012-12-20 Volkswagen Aktiengesellschaft Ensemble de liaison entre un arbre articulé et une transmission

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132422A (en) * 1976-05-14 1979-01-02 Gkn Transmissions Ltd. Sealing members for universal joints
US4319467A (en) * 1980-03-31 1982-03-16 General Motors Corporation Universal joint seal vent
GB2104190A (en) * 1981-08-17 1983-03-02 Uni Cardan Ag Constant velocity ratio universal joint
DE3739927A1 (de) * 1987-11-25 1989-06-08 Man Nutzfahrzeuge Gmbh Gleichlaufgelenk

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583476B1 (fr) * 1985-06-14 1990-06-15 Glaenzer Spicer Sa Joint de transmission homocinetique coulissant destine aux vehicules automobiles
DE19515103C2 (de) * 1995-04-25 1997-07-03 Freudenberg Carl Fa Vielkeilwellenverbindung
DE19736546C2 (de) * 1997-08-22 2001-12-20 Gkn Loebro Gmbh Abdichtungsanordnung
DE19857460C2 (de) * 1998-12-12 2001-12-20 Gkn Loebro Gmbh Dichtungsanordnung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132422A (en) * 1976-05-14 1979-01-02 Gkn Transmissions Ltd. Sealing members for universal joints
US4319467A (en) * 1980-03-31 1982-03-16 General Motors Corporation Universal joint seal vent
GB2104190A (en) * 1981-08-17 1983-03-02 Uni Cardan Ag Constant velocity ratio universal joint
DE3739927A1 (de) * 1987-11-25 1989-06-08 Man Nutzfahrzeuge Gmbh Gleichlaufgelenk

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006133550A1 (fr) * 2005-06-13 2006-12-21 Duc Dao Joint interne pour capuchon d'articulation homocinétique
US8287393B2 (en) 2005-06-13 2012-10-16 Duc Dao Inner seal for CV joint boot
US9005042B2 (en) 2005-06-13 2015-04-14 Salflex Polymers Limited Inner seal for CV joint boot
WO2012171613A1 (fr) * 2011-06-11 2012-12-20 Volkswagen Aktiengesellschaft Ensemble de liaison entre un arbre articulé et une transmission
DE102011104058B4 (de) 2011-06-11 2023-11-02 Volkswagen Aktiengesellschaft Verbindungsanordnung zwischen einer Gelenkwelle und einem Getriebe

Also Published As

Publication number Publication date
FR2827022A1 (fr) 2003-01-10
DE10132657B4 (de) 2011-08-11
FR2827022B1 (fr) 2005-06-17
DE10132657A1 (de) 2003-01-23

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