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WO2006018176A1 - Butee de cage sur une partie interieure d'un guidage a billes - Google Patents

Butee de cage sur une partie interieure d'un guidage a billes Download PDF

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Publication number
WO2006018176A1
WO2006018176A1 PCT/EP2005/008601 EP2005008601W WO2006018176A1 WO 2006018176 A1 WO2006018176 A1 WO 2006018176A1 EP 2005008601 W EP2005008601 W EP 2005008601W WO 2006018176 A1 WO2006018176 A1 WO 2006018176A1
Authority
WO
WIPO (PCT)
Prior art keywords
profiled
ball
ball grooves
displacement unit
longitudinal displacement
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.)
Ceased
Application number
PCT/EP2005/008601
Other languages
German (de)
English (en)
Inventor
Joachim PRÖLSS
Martin Garzorz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GKN Driveline Deutschland GmbH
Original Assignee
GKN Driveline Deutschland 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 Driveline Deutschland GmbH filed Critical GKN Driveline Deutschland GmbH
Publication of WO2006018176A1 publication Critical patent/WO2006018176A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
    • F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
    • F16D3/065—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement by means of rolling elements
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • F16C3/03—Shafts; Axles telescopic
    • F16C3/035—Shafts; Axles telescopic with built-in 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
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/3806—Details of interaction of cage and race, e.g. retention, centring
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/06—Drive shafts

Definitions

  • the invention relates to a longitudinal displacement unit for a shaft arrangement for transmitting torque between two axially displaceable parts, comprising a profiled journal having first circumferentially distributed longitudinally extending ball grooves, a profiled sleeve having second circumferentially distributed longitudinally extending ball grooves, balls arranged in pairs of first and second ball grooves in FIG Groups are angeord ⁇ net, and a ball cage, which lies between the profile pin and profile sleeve and the balls fixed in position relative to each other.
  • a longitudinal displacement unit of the type mentioned in which a stop for the ball cage to limit its displacement relative to the profiled pin in the direction of the terminal end of the profiled pin is formed in such a way that the profiled pin on a cover in the profile sleeve can abut and the balls in the ball cage can come into contact with a circlip which is inserted into the profile sleeve at the open end.
  • This indirectly also limits the relative displacement of the ball cage relative to the profiled pin in the direction of its connection end.
  • the present invention is based on the object, in contrast, simplified stop means for limiting the displacement of the ball cage relative to the profiled pin in the direction to provide the connection side of the pin.
  • a first solution is that at least a first stop for limiting the axial displacement of the ball cage relative to the profiled pin at the Anschlußsei ⁇ te of the profiled pin directly by a radial stop surface in the region of Outlet of the first ball grooves is formed, which is formed by a recess in the Profilezap ⁇ fen and against which the ball cage applies.
  • At least a first stop for limiting the axial displacement of the ball cage relative to the profiled pin on the connection side of the profiled pin is formed directly by an outlet of the first ball grooves, against which the ball cage applies.
  • a first stop for the ball cage is formed by a particular radially ending Ein ⁇ rotation.
  • a third solution is that at least a first stop for limiting the axial displacement of the ball cage relative to the profiled pin on the An ⁇ circuit side of the profiled pin is formed by an outlet of the first ball grooves in Zusam ⁇ men massage with the balls, the axial release for the ball cage allows the ball grooves.
  • a fourth solution is that at least a first stop for limiting the axial displacement of the ball cage relative to the profiled pin on the connection side of the profiled pin is formed by a sleeve which is supported on the outlet of the first ball grooves against which the ball cage directly applies.
  • the second stop means for the ball cage in the opposite direction to the free end of the profiled journal are preferably to be represented in all embodiments by a circlip inserted into an annular groove at the free end of the profiled journal. Preferred embodiments of the invention in comparison with prior art solutions are shown in the drawings.
  • Figure 1 shows a first solution according to the prior art in a longitudinal section
  • Figure 2 shows a second solution according to the prior art in a longitudinal section
  • Figure 3 shows a solution according to the invention in longitudinal section
  • FIG. 4 shows the first inventive solution according to FIG. 3 a) in an axial section b) in enlarged detail at the first stop;
  • Figure 5 shows a second solution according to the invention a) in axial section b) in enlarged detail at the first stop;
  • FIG. 6 shows a third solution according to the invention a) in axial section b) in enlarged detail at the first stop;
  • FIG. 7 shows a fourth solution according to the invention a) in axial section b) in enlarged detail at the first stop;
  • Figure 8 shows a fifth solution according to the invention c) in axial section d) in enlarged detail at the first stop.
  • FIGS. 1 to 3 will be described together below.
  • a longitudinal displacement unit for torque transmission for a shaft arrangement which has a profiled journal 11 with first ball grooves 12 and a profiled sleeve 21 with second ball grooves 22 includes.
  • the ball grooves 12, 22 each extend parallel to one another and are distributed uniformly over the circumference of the profiled pin 11 and the profiled sleeve 21.
  • the profiled pin 11 has its connection side left with a shaft toothing 13 and an annular groove 14 for a locking ring.
  • pairs of ball grooves 12, 22 run in a ball cage 31 held balls 32, which cause the transmission of torque between the profile pin 11 and profile sleeve 21.
  • a first stop element for the ball cage 31 is formed to the left in the direction of the connection side of the profiled journal 11 by a retaining ring 25 inserted into the profiled sleeve, against which the first balls 32 abut.
  • a stop sleeve 23 is inserted for the profiled pin 11, which is axially supported on a stop shoulder 24.
  • a securing ring 15 is provided, which is inserted into an annular groove 16 on the profiled pin 11.
  • a securing ring 17 is provided, which is inserted into an annular groove 18 on the profiled pin 11.
  • FIGS. 4 to 7 show the same details with the same reference numerals as in FIGS. 1 to 3. The description is hereby incorporated by reference. With reference to the illustrations b) of Figures 4 to 7, the different embodiments of the first stop for the ball cage are explained below:
  • FIG 4 is in the region of a web outlet 19 of the inner ball grooves 12, which has approximately an inclination angle to the longitudinal axis of 20 °, a recess 27 in the form of a rectangular groove which forms a radial stop surface 20, against which the ball cage 31 with a radial end face 33 strikes.
  • This end face 33 is formed on cams 37, which are formed on the thin-walled ball cage 31 inside and in each case extend into the inner ball grooves 12.
  • inner recesses 34 and outer locking lugs 35 are provided, by means of which the balls 32 can be fixed positively in cage windows 38.
  • the cams 37 are provided in the region of the cage window 38 with innenkugeligen surfaces.
  • FIG. 7 shows the web outlet 19 with a tilt angle to the longitudinal axis of approximately 20 °.
  • the ball grooves are here drawn in two stages with graduated depth.
  • the end face 33 of Kugel ⁇ cage 31 is contact-free to flatter web outlet 19, while a lower Bahnaus ⁇ run 19 'serves as a stop for the balls 32.
  • the Einzelhei ⁇ th and reference numbers correspond to those in Figure 4.
  • a stop sleeve 34 is pushed onto the profiled pin 11, which engages with molded projections 39, which are formed inside, in the ball grooves 12, wherein each mold projection is supported with a contact surface 35 at the web outlet 19, which is substantially the embodiment of Figure 4 equivalent.
  • a radial stop surface 36 is formed, against which the ball cage 31 with ei ⁇ ner end face 33 applies. Otherwise, the details and reference numbers correspond to those in FIG. 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne une unité de déplacement longitudinal pour un dispositif à tige permettant la transmission de couple entre deux parties pouvant se déplacer axialement l'une par rapport à l'autre, comprenant un tourillon profilé (11) comprenant des premières rainures à billes (12) se déplaçant longitudinalement et réparties sur la circonférence, un manchon profilé comprenant des secondes rainures à billes se déplaçant longitudinalement et réparties sur la circonférence, des billes (32) qui sont disposées en groupes et par paire à partir des premières et des secondes rainures à billes (12), et une cage à billes (31), qui se trouve entre le tourillon profilé (11) et le manchon profilé et les billes (32) qui sont fixées dans leur position les unes par rapport aux autres. Un premier arrêt est effectué pour limiter le déplacement axial de la cage à billes (31) par rapport au tourillon profilé (11) sur la partie raccord du tourillon profilé par l'intermédiaire d'une surface d'arrêt (20) se trouvant dans la partie de la sortie des premières rainures à billes (12), ledit déplacement étant effectué par une vis (27) située dans le tourillon profilé (11).
PCT/EP2005/008601 2004-08-16 2005-08-09 Butee de cage sur une partie interieure d'un guidage a billes Ceased WO2006018176A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004039642.6 2004-08-16
DE102004039642A DE102004039642B3 (de) 2004-08-16 2004-08-16 Käfiganschlag am Profilzapfen einer Längsverschiebeeinheit

Publications (1)

Publication Number Publication Date
WO2006018176A1 true WO2006018176A1 (fr) 2006-02-23

Family

ID=35457550

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/008601 Ceased WO2006018176A1 (fr) 2004-08-16 2005-08-09 Butee de cage sur une partie interieure d'un guidage a billes

Country Status (2)

Country Link
DE (1) DE102004039642B3 (fr)
WO (1) WO2006018176A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008012437U1 (de) 2008-09-18 2008-11-20 Centa-Antriebe Kirschey Gmbh Wellenanordnung zur Drehmomentübertragung
ATE554294T1 (de) 2008-09-18 2012-05-15 Kirschey Centa Antriebe Wellenanordnung zur drehmomentübertragung
WO2014005050A1 (fr) * 2012-06-29 2014-01-03 Koyo Bearings Usa Llc Palier linéaire

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509386A (en) * 1982-11-15 1985-04-09 General Motors Corporation Lash-free telescopic steering shaft assembly and method of making the assembly
US4981459A (en) * 1989-05-30 1991-01-01 Dana Corporation Anti-lock ball spline assembly
US20020169026A1 (en) * 2001-05-12 2002-11-14 Herbert Cermak Settable plunging unit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10132658C1 (de) * 2001-07-05 2003-04-24 Gkn Loebro Gmbh Längsverschiebeeinheit
DE10212898B4 (de) * 2002-03-22 2004-03-04 GKN Löbro GmbH Rollbalg und Rollbalganordnung
DE10250419C5 (de) * 2002-10-30 2009-04-23 Gkn Driveline International Gmbh Seitenwellenanordnung mit VL-Gelenk und Schiebeausgleich

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509386A (en) * 1982-11-15 1985-04-09 General Motors Corporation Lash-free telescopic steering shaft assembly and method of making the assembly
US4981459A (en) * 1989-05-30 1991-01-01 Dana Corporation Anti-lock ball spline assembly
US20020169026A1 (en) * 2001-05-12 2002-11-14 Herbert Cermak Settable plunging unit

Also Published As

Publication number Publication date
DE102004039642B3 (de) 2006-06-14

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