EP1503929A1 - Ensemble d'articulation double - Google Patents

Ensemble d'articulation double

Info

Publication number
EP1503929A1
EP1503929A1 EP03737901A EP03737901A EP1503929A1 EP 1503929 A1 EP1503929 A1 EP 1503929A1 EP 03737901 A EP03737901 A EP 03737901A EP 03737901 A EP03737901 A EP 03737901A EP 1503929 A1 EP1503929 A1 EP 1503929A1
Authority
EP
European Patent Office
Prior art keywords
joint
pin
region
joint arrangement
pin part
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Withdrawn
Application number
EP03737901A
Other languages
German (de)
English (en)
Inventor
Reinhard Buhl
André DIENER
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.)
ZF Lemfoerder GmbH
Original Assignee
ZF Lemfoerder 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 ZF Lemfoerder GmbH filed Critical ZF Lemfoerder GmbH
Publication of EP1503929A1 publication Critical patent/EP1503929A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/18—Steering knuckles; King pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/16—Arrangement of linkage connections
    • B62D7/166—Arrangement of linkage connections substantially perpendicular, e.g. between tie-rod and steering knuckle

Definitions

  • the invention relates to a two-joint arrangement for the articulated connection of guide elements, preferably a motor vehicle steering linkage, with a common articulation part according to the preamble of the independent claims 1 and 5.
  • Such two-joint arrangements are for example for steering linkages for
  • the guide elements here are on the one hand the steering rod connected to a steering gear and on the other hand the tie rod serving to connect two pivotable wheel carriers.
  • the tie rod and steering rod are each fastened via a ball joint to one of the wheel carriers to be pivoted synchronously in a pivot part called a pivot bearing.
  • Such two-joint arrangements are very compact, but often form an inseparable connection of the joints, so that the entire two-joint arrangement must be renewed if one joint is worn.
  • a joint connection with two ball joints is disclosed in the prior art, for example in DE 40 11 179 AI, in which the joint arrangement is designed in such a way that the first joint with a joint pin is designed in order to achieve a detachable design that requires little installation space is inserted into a continuous recess of the articulation part, the pivot pin having a thread. A joint part of the second joint with a corresponding thread is then screwed to the joint pin from the opposite direction, so that a fixed connection between the joint pin of both joints and the one arranged centrally between them Articulation part is brought about.
  • the disadvantage of this further construction known from the prior art is in particular to emphasize the special design of the pivot pins, which is associated with a not inconsiderable manufacturing outlay and must therefore be regarded as cost-intensive.
  • Each of the two joints of the two-joint arrangement initially has an articulated housing connected to a respective guide element and a bearing shell accommodated within the articulated housing, in which a pin part which is fixedly coupled to the common articulation part is accommodated in a rotatable and pivotable manner.
  • a pin part of a joint is designed such that it has an opening running in the longitudinal axis of the pin part, through which the pin part of the second further joint engages with a screw bolt located thereon, with a retaining nut on the free end of the screw pin facing away from the pin part of the further joint is arranged.
  • the pin part of the further joint is guided through an opening in the articulation part of the axle support arranged centrally between the two joints.
  • Ball sleeve joint are used.
  • the specially designed pin part of the further second joint now has to be produced for the two-joint arrangement on special components.
  • the assembly of the two-joint arrangement is due to the simple plugging together of the joints used with them arranged guide elements in the form of a steering rod and a tie rod, and the fixing by means of a commercially available nut, so that it is possible to achieve further cost savings in relation to solutions known from the prior art.
  • the pin part of the further joint between the bearing area accommodated in the bearing shell and the screw bolt has a conical intermediate area which is received in a corresponding conical opening in the articulation part.
  • a high-strength connection of both components can be brought about by the cone connection between the pin part and the articulation part, the strength primarily depending on the tightening torque of the retaining nut placed on the screw bolt of the pin part.
  • the pin part of the further joint can have a tool holder on its free end facing the bearing area for blocking the rotational movement of the pin part about its longitudinal axis.
  • the tool holder can be used as
  • Screw slot recess or be designed as a hexagon socket. The measure described makes it possible, in particular when the components are screwed together, to simply counter the tightening torque of the holding nut.
  • Openings are provided, in each case a ball sleeve joint known from the prior art is used.
  • Such joints are available on the market in different configurations.
  • the special production of the screw bolt connecting the two ball joints and the articulation part is necessary in accordance with the second solution variant. This is simple in design and therefore inexpensive to manufacture.
  • the assembly of the two-joint arrangement in accordance with the second solution variant can be carried out just as easily as already explained in the explanation of the first solution example, in that the components used are plugged together and screwed together.
  • the screw bolt in the area of the pin part openings has a thread-free partial area which is slightly smaller in outer diameter than the respective pin part openings. This measure creates a sliding bearing between the pin part of each ball joint and the screw bolt, which has advantages due to assembly.
  • the openings in each pin part of the ball joints used are designed as through holes.
  • a lateral displacement of the ball joints can also be brought about by gluing the pin parts onto the corresponding surface of the articulation part, it being possible to dispense with the above-mentioned depressions in the articulation part in the context of the structural design.
  • FIG. 1 shows the two-joint arrangement according to the invention as part of a
  • FIG. 2 shows a sectional view through the two-joint arrangement in accordance with the first solution variant
  • FIG. 3 shows a sectional view through the disclosed second variant of the two-joint arrangement according to the invention
  • FIG. 4 shows a sectional view through a two-joint arrangement similar to the disclosed second variant of the solution
  • Figure 5 is a sectional view through a further two-joint arrangement similar to the disclosed second variant
  • Figure 6 is a partial representation of the articulation part of the two-joint arrangement for fixing on the body side.
  • the steering linkage of a motor vehicle shown in FIG. 1 together with a front axle arrangement essentially consists of a steering rod 1 and a tie rod 2.
  • the steering rod 1 and the tie rod 2 are fixed to a joint part 3 by means of a ball joint 4 and 5, respectively.
  • the articulation part 3 in turn is part of a wheel carrier 6, which is rotatably supported on an axle body 9 by a support joint 7 and a guide joint 8.
  • the free end 10 of the handlebar 1 opposite the ball joint 4 is in this
  • the tie rod 2 which is also connected to the articulation part 3 via the ball joint 5, serves to transmit the steering forces acting on the wheel carrier 6 from the steering rod 1 to the wheel carrier 12, which also belongs to the front axle, at the opposite free end of the axle body 9.
  • the wheel carrier 12 is also accommodated in a support joint 13 and a guide joint 8, whereby a rotary movement analogous to that of the wheel carrier 6 with respect to the axle body 9 is made possible.
  • the linkage 2 is articulated to the wheel carrier 12 by means of a conventional ball joint 15.
  • Handlebar 1 and tie rod 2 are generally referred to as guide elements of the two-joint arrangement according to the invention, which is highlighted in its entirety in FIG. 1 by the circular representation with the designation D.
  • the two-joint arrangement shown in FIG. 1 can be implemented according to the invention by two different solution variants.
  • a first solution variant is shown in detail in FIG.
  • the two-joint arrangement is designed such that a pin part 17 is received in a joint housing 16 of the ball joint 5.
  • the joint housing 16 is in this case made in one piece with the tie rod 2.
  • the pin part 17 consists of a spherical bearing region 18 which is supported by a bearing shell 19 located within the joint housing 16 and held by a closure cover 20.
  • the bolt region 23 protrudes beyond the ball joint 4 with its free end facing away from the bearing region 18.
  • a holding nut 29 is screwed onto this free end.
  • the pin part 17 of the ball joint 5 is first inserted through the conical recess 25 of the articulation part 3.
  • the handlebar 1 with the ball joint 4 formed thereon as a ball sleeve joint is put on.
  • the retaining nut 29 is placed on the free end of the bolt region 23 and screwed on up to the housing stop edge of the ball joint 4.
  • it is provided at its free end of the bearing area 18 with a tool holder designed as a screw slot recess 30 into which a screwdriver can be inserted.
  • both the ball joint 4 and the ball joint 5 are constructed identically as ball sleeve joints.
  • the use of two ball and socket joints results in inevitably another type of fastening between the handlebar 1, the articulation part 3 and the tie rod 2.
  • both the ball joint 4 and the ball joint 5 in the context of their design as a ball sleeve joint consist of a pin part 26 with a central cylindrical opening 24 designed as a bore, the respective pin part 26 being received in a bearing shell 27 so as to be rotatable and pivotable.
  • the bearing shell 27 is in turn accommodated in the joint housing 28, which is an integral part of the steering rod 1 and the tie rod 2.
  • the screw bolt 31 consists of an end-side head region 32 designed as a hexagon, which is adjoined by a cylindrical region 33 arranged within the opening 24 of the ball joint 5. This area 33 is in turn adjoined by a conical area 22, which is received in a corresponding conical recess 25 of the articulation part 3 in analogy to the illustration in FIG.
  • Another conical region 34 adjoins the conical region 22 and is received in the opening 24 of the pin part 26 of the ball joint 4.
  • This cylindrical region 34 is provided with a threaded region 35 at its free end, which projects upwards from the opening 24 of the ball joint 4.
  • a holding nut 29 is screwed onto the threaded area 35.
  • the assembly of the entire two-joint arrangement is similar to that of the solution variant in FIG. 2 in that the screw bolts 31 are inserted through the corresponding openings 24 and the recess 25 of the plant part 3 and the ball joints 4 and 5, and the relevant components are braced against one another by means of the retaining nut 29.
  • the screw bolt is clamped by its conical area 22 within the conical recess 25 of the articulation part 3, so that only a relative movement between the components involved is possible in accordance with the degrees of freedom provided by the ball joints 4 and 5.
  • a particular advantage of the configuration variant 2 discussed last is that both the tie rod 2 and the handlebar 1 can be completely prefabricated.
  • the recess 25, as shown in FIGS. 4 and 5 is designed as a cylindrical through-bore within the articulation part 3.
  • the screw bolt 31 can have a cylindrical shape with a uniform diameter along its entire length, so that in particular the use of a conventional hexagon screw is also possible. The bracing of all components received by the bolt 31, in
  • Knurling are attached, which also counteracts a relative movement between the ball joints 4, 5 and the articulation part 3.
  • Knurling of this type can, of course, as is made clear again by the illustration in FIG. 6, also be attached to the bottom of the depressions 36 and 37.
  • the knurling 38 prevents in particular a rotation of the pin parts 26, which are arranged within the recesses 36 and 37, relative to the articulation part 3.
  • the described design variants for avoiding relative movements between the articulation part 3 and the ball joints 4 and 5 can also be carried out in different combinations, for example by gluing the pin parts 26 within the recesses 36 and 37, respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

L'invention concerne un ensemble d'articulation double servant à relier de manière articulée des éléments de guidage, de préférence une timonerie de direction de véhicule automobile, avec une pièce d'articulation commune. Selon cette invention, chacune des deux articulations comprend un logement d'articulation qui est relié à un élément de guidage respectif ainsi qu'une coquille de coussinet qui est logée dans ce logement et dans laquelle un élément pivot, qui est solidement accouplé à la pièce d'articulation commune, est logé de manière rotative et pivotante. Dans un premier mode de réalisation de cette invention, un élément pivot (26) d'une articulation (4) comporte une ouverture (24) qui s'étend le long de l'axe longitudinal de cet élément pivot et dans laquelle s'engage une partie de boulon fileté (23) de l'élément pivot (17) de l'autre articulation (5), un écrou de maintien (29) étant disposé au niveau de l'extrémité libre de la partie de boulon fileté (23) qui est opposée à l'élément pivot (17) de la seconde articulation (5). Dans un autre mode de réalisation de cette invention, les deux éléments pivot (26) desdites articulations (4, 5) comprenent respectivement une ouverture (24) qui s'étend le long de l'axe longitudinal de ces éléments pivot et dans laquelle s'engage un boulon fileté (31) pourvu d'une zone de tête évasée, un écrou de maintien (29) relié de manière libérable à ce boulon fileté étant disposé au niveau de l'extrémité libre de ce dernier qui est opposée à ladite zone de tête (32). L'avantage que présentent ces modes de réalisation réside dans le fait que les articulations individuelles de cet ensemble d'articulation double peuvent être montées simplement et remplacées séparément.
EP03737901A 2002-05-16 2003-05-15 Ensemble d'articulation double Withdrawn EP1503929A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10222251 2002-05-16
DE2002122251 DE10222251B4 (de) 2002-05-16 2002-05-16 Zweigelenkanordnung
PCT/DE2003/001582 WO2003097429A1 (fr) 2002-05-16 2003-05-15 Ensemble d'articulation double

Publications (1)

Publication Number Publication Date
EP1503929A1 true EP1503929A1 (fr) 2005-02-09

Family

ID=29413952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03737901A Withdrawn EP1503929A1 (fr) 2002-05-16 2003-05-15 Ensemble d'articulation double

Country Status (4)

Country Link
EP (1) EP1503929A1 (fr)
BR (1) BR0304867B1 (fr)
DE (1) DE10222251B4 (fr)
WO (1) WO2003097429A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005035913A1 (de) * 2005-07-28 2007-02-08 Zf Friedrichshafen Ag Kraftfahrzeugfahrwerk
DE102007037270B4 (de) 2007-08-07 2012-10-31 Bayerische Motoren Werke Aktiengesellschaft Anordnung eines Kugelgelenks in einem Schwenklager oder Radträger eines Fahrzeugs
DE102010043408A1 (de) 2010-11-04 2012-05-10 Zf Friedrichshafen Ag Kugelhülsengelenk für ein Kraftfahrzeug
CN105711643A (zh) * 2016-01-25 2016-06-29 一拖(新疆)东方红装备机械有限公司 一种高底盘车辆转向支撑结构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642640A (en) * 1926-10-06 1927-09-13 Bouch Elmer Adjustable steering knuckle
DE4011179A1 (de) * 1990-04-06 1991-10-10 Audi Ag Gelenkverbindung
US5609433A (en) * 1995-08-01 1997-03-11 Maclean-Fogg Company Ball joint link and method of producing same
US5992863A (en) * 1998-03-18 1999-11-30 600 Racing, Inc. Steering assembly having an adjustable alignment arrangement
JP2000264242A (ja) * 1999-03-19 2000-09-26 Kubota Corp 作業車の前輪操向構造
US6719312B2 (en) * 2002-01-22 2004-04-13 Trw Inc. Steering linkage and ball joint

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03097429A1 *

Also Published As

Publication number Publication date
BR0304867B1 (pt) 2012-04-17
BR0304867A (pt) 2004-08-17
DE10222251B4 (de) 2004-07-08
WO2003097429A1 (fr) 2003-11-27
DE10222251A1 (de) 2003-12-04

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