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
  • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
  • F16C11/00—Pivots; Pivotal connections
  • F16C11/04—Pivotal connections
  • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
  • F16C11/0685—Manufacture of ball-joints and parts thereof, e.g. assembly of ball-joints
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D27/00—Connections between superstructure or understructure sub-units
• • 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
  • F16C11/00—Pivots; Pivotal connections
  • F16C11/04—Pivotal connections
  • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
  • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
  • F16C11/0623—Construction or details of the socket member
• • 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
  • F16C11/00—Pivots; Pivotal connections
  • F16C11/04—Pivotal connections
  • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
  • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
  • F16C11/0623—Construction or details of the socket member
  • F16C11/0628—Construction or details of the socket member with linings
  • F16C11/0633—Construction or details of the socket member with linings the linings being made of plastics

Definitions

• Closure element for a ball joint ball joint for a chassis of a vehicle and a method for producing such a closure element and/or such a ball joint
• the invention relates to a locking element for a ball joint with a first component made of metal and a second component made of plastic, with the second component being designed as a first bearing part of a two-part slide bearing for the ball joint. Furthermore, the invention relates to a ball joint for a chassis of a vehicle with a joint housing and a movable Lich inner joint part mounted in a housing recess of the joint housing, a two-part plain bearing being arranged between an inside of the housing recess and the inner joint part. In addition, the invention relates to a method for producing such a closure element and/or such a ball joint.
• a closure element or a ball joint of the type mentioned at the outset is known from DE 10 2018 215 172 A1.
• a metal insert for example, is at least partially spray-coated with a plastic material of a plastic part. Different concrete designs are shown, which are associated with different production costs.
• this effort can lead to undesirably high production costs.
• it is a challenge to achieve a high pull-out force and/or dynamic strength of the ball joint and at the same time a low breakaway torque.
• the object on which the invention is based is to further develop a closure element, a ball joint and/or a method of the type mentioned at the outset in such a way that a high degree of functionality results with the most cost-effective production effort possible.
• an alternative embodiment is to be provided.
• the problem on which the invention is based is solved with a closure element according to claim 1, a ball joint according to claim 7 and/or a method according to claim 10.
• a closure element for a ball joint is proposed.
• the closure element is designed to secure an inner joint part in a joint recess of a joint housing.
• the closure element preferably prevents the inner joint part from falling out and/or being pulled out of the joint housing up to a predetermined pull-out force.
• the closure element can be designed as a closure cover.
• the closure element is preferably designed as a closure ring. Such a locking ring allows a pivot pin of the inner joint part to extend outwards out of the joint housing or out of the joint recess.
• the closure element has a first component made of metal and a second component made of plastic. In particular, the closure element is formed exclusively from the first component and the second component.
• the closure element is implemented as a hybrid component.
• the second component can be formed from a pure plastic material or from a fiber-reinforced plastic material. Furthermore, the second component is designed as a first bearing part of a two-part plain bearing for the ball joint. A plain bearing can reduce the friction and thus the wear of the ball joint, despite the sometimes high operational loads.
• the first component has a cylindrical inner peripheral surface. A cylindrical outer peripheral surface of the second component is arranged on the inner peripheral surface of the first component in a form-fitting, force-fitting and/or cohesive manner.
• the inner peripheral surface of the first component is preferably formed by means of a hollow cylindrical web section of the first component.
• the hollow-cylindrical web section is ring-shaped or sleeve-like.
• the second component can be pressed into the first component.
• the second component is preferably injection molded and/or cast onto the first component.
• the cylindrical outer peripheral surface of the second component is designed to correspond in shape to the cylindrical inner peripheral surface of the web section.
• the outer peripheral surface of the second component is directly in contact with the inner peripheral surface of the first component.
• a firm bond is preferably realized between the inner peripheral surface of the first component and the outer peripheral surface of the second component.
• At least or precisely one ring section of the first component extends radially inwards from the web section, in particular at right angles to a central longitudinal axis of the closure element.
• the first component is preferably designed in one piece.
• the Ringab section can be formed by means of a deformation.
• the first component has an L-shaped cross-section due to the ring portion and the web portion.
• the second component can be arranged at least on a surface of the ring section facing the web section in a form-fitting, force-fitting and/or cohesive manner.
• the surface of the ring section facing the web section is directed radially inwards transversely or at right angles to the web section.
• the ring section is covered by the second component.
• the ring section is partially or completely embedded in the second component.
• the ring section can be encased by the plastic of the second component.
• an end face of the first component facing away from the ring section is at least partially or completely covered by the second component and/or embedded in the plastic of the second component.
• the end face extends at right angles or radially to an axial extension of the central longitudinal axis of the closure element.
• the end face and the ring section are preferably arranged or formed on two ends and/or edges of the first component that face away from one another.
• the first component has a web-like flange section.
• the web-like flange section extends coaxially to the central longitudinal axis of the closure element, starting from the ring section in a direction facing away from the web section and/or from the second component.
• the web-like flange section can be designed as an extension of the web section in the axial direction to the central longitudinal axis.
• the first component can have a T-shaped or simply stepped cross-section due to the formation of the web section, the ring section and the web-like flange section.
• the first component formed from the web section, the ring section and the web-like flange section is designed in one piece.
• an outer periphery of the first component faces away from the second component.
• the outer circumference of the first component can be ring-shaped, ring-shaped and/or cylindrical. At least the outer perimeter of the first component is not covered by the plastic of the second component.
• the outer circumference of the first component can come to rest directly on an inner side of a housing recess of a joint housing.
• the outer circumference has at least one elevation or several elevations.
• the at least one elevation can be designed as a claw nose.
• the elevation can interact in a form-fitting manner with a depression in the inside of the housing recess, which is designed to correspond to the elevation, for positively locking the closure element in place.
• the elevation can be at least partially plastically deformed when the closure element is inserted into the housing recess.
• a ball joint for a chassis of a vehicle in particular a motor vehicle, with a joint housing and an inner joint part that is movably mounted in a housing recess of the joint housing, with a two-part plain bearing being arranged between an inside of the housing recess and the inner joint part and with a Ver final element.
• the ball joint can be part of a chassis, in particular a chassis component.
• Ball joints are used in a variety of ways in vehicle construction. In the chassis in particular, ball joints serve to connect chassis components such as handlebars, wheel carriers, tie rods or the like in an articulated manner with one another or with the vehicle body or an axle carrier attached thereto.
• the joint housing is formed as a joint housing open on one side.
• the Geienkin inner part can be mounted pivotably relative to the joint housing.
• the inner part of the joint can be designed as a ball sleeve.
• the inner joint part is preferably implemented as a ball pivot.
• a pin section of the inner joint part can protrude outwards from the joint housing or from the housing recess and through the locking element designed as a locking ring.
• the ball joint preferably has a central longitudinal axis about which the ball joint and/or the joint chin part can be moved.
• the central longitudinal axis extends in the axial direction of the inner joint part.
• the central longitudinal axis of the ball joint and the central longitudinal axis of the closure element can coincide.
• the ball joint, the joint recess, the joint inner part and/or the closure element is rotationally symmetrical or essentially rotationally symmetrical with respect to the central longitudinal axis.
• the joint inner part can have a joint ball.
• the joint ball is pivotably mounted in the plain bearing.
• the central longitudinal axis can run through a center point of the joint ball.
• the closure element with the second component as the first bearing part of the plain bearing and a second bearing part of the plain bearing are arranged and/or designed to be rotationally symmetrical to the central longitudinal axis of the ball and socket joint.
• the first bearing part or the closure element is pressed onto the second bearing part in the axial direction of the central longitudinal axis.
• the second bearing part of the plain bearing can be cup-shaped or cup-shaped.
• An outer circumference of the first component of the closure element preferably rests against the inside of the housing recess.
• the closure element can be pressed into the housing recess.
• an edge of the joint housing is reshaped to fix the closure element.
• An end face of the closure element and/or an end face of the first component preferably lies on an edge of the second bearing part in the axial direction with respect to the central longitudinal axis. As a result, the second bearing part is fixed in the housing recess and/or blocked against rotation.
• the second bearing part can have ribbing on its outside.
• the ribbing can extend in the axial direction to the central longitudinal axis of the ball joint and/or the closure element.
• tolerance compensation is made possible by means of the corrugation.
• Undesirable compression and/or clamping of the inner joint part in the plain bearing is preferably resolved and/or compensated for by means of the ribbing and after tempering.
• a front bearing surface of the second bearing part is preferably designed as a fixed stop towards the center or in the direction of the central longitudinal axis.
• the ribbing on the outside of the second bearing part serves to compensate for tolerances and/or as a compensating element for axial stresses.
• a prestressing of the ball joint can be generated in the joint housing by means of the locking element by pressing the locking element with a predetermined force into the housing recess of the joint housing.
• the first bearing part and the second bearing part can have form-fitting elements which are designed to correspond to one another and which engage in one another in a form-fitting manner when the sliding bearing is produced.
• a form fit can be formed by means of interlocking teeth.
• the first bearing part and the second bearing part each have annular teeth or a toothed ring.
• the closure element can have a receptacle for an edge of a sealing bellows, in particular together with a shaped edge of the joint housing.
• a method for producing a closure element according to the invention and/or a ball joint according to the invention is particularly advantageous, the second component being arranged, pressed in or injection-molded onto the first component.
• a second bearing part is preferably first inserted into the housing recess of the joint housing.
• a joint chin part is then arranged in the second bearing part.
• the closure element with the first bearing part is pressed into the housing recess to form a plain bearing for the joint inner part.
• the closure element is previously formed from the first component and the second component. Due to the pressing in of the closure element, the closure element is pressed onto the second bearing part in its end position. As a result, the second bearing part is fixed. An edge of the joint housing is then reshaped to fix the closure element. As a result, the closure element is adequately secured against being pulled out of the joint recess.
• the ball joint and/or closure element produced according to the method according to the invention is a previously described ball joint and/or closure element according to the invention.
• the method is preferably further developed according to the configurations explained in connection with the ball joint and/or closure element according to the invention described here.
• the ball joint and/or closure element described here can be further developed in accordance with the configurations explained in connection with the method.
• FIG. 1 shows a sectional side view of a first ball joint according to the invention with a first closure element according to the invention
• FIG. 2 shows a detail from the sectional side view according to FIG. 1,
• FIG. 3 shows a sectional side view of a second ball joint according to the invention with a second closure element according to the invention
• FIG. 4 shows a section of the sectional side view according to FIG. 3,
• FIG. 5 shows a sectional side view of a third ball joint according to the invention with a third closure element according to the invention
• FIG. 6 shows a detail from the sectional side view according to FIG. 5,
• Figure 7 is a sectional side view of another according to the invention.
• Ball joint element with a further closure element according to the invention, 8 shows a perspective side view of a first bearing part for forming a two-part plain bearing
• Fig. 9 is a perspective side view of a second bearing part to form the two-part sliding bearing in combination with the first bearing part according to FIG.
• FIG. 10 shows a perspective side view of a further first bearing part for forming a two-part sliding bearing
• FIG. 11 shows a perspective side view of a further second bearing part for forming the two-part plain bearing in combination with the further first bearing part according to FIG.
• FIG. 1 shows a sectional side view of a first ball joint 1 according to the invention with a first closure element 2 according to the invention.
• the ball joint 1 is designed as a ball and socket joint.
• the closure element 2 is implemented here as a closure ring.
• the ball joint 1 has a joint housing 3.
• the joint housing 3 can be realized, for example, as part of a chassis component.
• the joint housing 3 has a housing recess 4 .
• the housing recess 4 is essentially pot-shaped or cup-shaped.
• the ball joint 1 has a joint inner part 5 .
• the joint chin part 5 is designed here as a ball pivot.
• the Geienkinnenteil 5 has a Ge steering ball 6 and a pin part 7 .
• the inner joint part 5 or the joint ball 6 is movably mounted in the housing recess 4 .
• a two-part slide bearing 9 is arranged between an inner side 8 of the housing recess 4 and the inner part 5 of the joint.
• the two-part plain bearing 9 is formed by a first bearing part 10 and a second bearing part 11 .
• the first bearing part 10 is part of the closure element 2.
• the closure element 2 is formed from a first component 12 and a second component 13. FIG. Here forms the second component 13 at the same time the first bearing part 10.
• the first component 12 is made of metal and the second component 13 is made of a plastic.
• the joint housing 3 has an edge 14 .
• the edge 14 is shaped in such a way that the closure element 12 is secured against being pulled out of the housing recess 4 .
• the pin part 7 extends outwards from the housing recess 4 through an opening 15 of the closure element 2 .
• the ball joint 1 has a sealing bellows 16 .
• the sealing bellows 16 rests against the joint housing 3 on the one hand and against the pin part 7 on the other hand.
• the closure element 2 or the ball joint 1 is rotationally symmetrical to a central longitudinal axis 17 .
• the Geienkin nenteil 5 is pivotally mounted to the central longitudinal axis 17 and / or about a center point of the joint ball 6 in the plain bearing 9.
• FIG. 2 shows a detail from the sectional side view according to FIG. 1 .
• the first component 12 has a cylindrical inner peripheral surface 18 .
• a cylindrical outer peripheral surface 19 of the second component 13 rests on the inner peripheral surface 18 .
• the inner peripheral surface 18 of the first component 12 is formed by means of a hollow-cylindrical web section 20 of the first component 12 .
• the second component 13 or the first bearing part 10 is molded onto the first component 12 or onto the outer peripheral surface 19 .
• the first component 12 has a ring section 21 in addition to the web section 20 .
• the ring section 21 extends radially inwards to the central longitudinal axis 17 according to FIG.
• the second component 13 or the first bearing part 10 is arranged on a surface 22 of the ring section 21 facing the web section 20 .
• the ring section 21 is covered by the second component 13 or by the first bearing part 10 .
• the ring section 21 is in the second component 13 or in the first bearing part 10 embedded.
• the first component 12 has an L-shaped cross section that is upside down or rotated by 180° in the assembled state shown here.
• a front side 23 of the first component 12 facing away from the ring section is in the axial direction to the central longitudinal axis 17 according to Fig. 1 in this embodiment both on a projection 24 of the housing recess 4 and on a positively received in the housing recess 4 edge flange 25 of the second bearing part 11 pressed. As a result, the second bearing part 11 is fixed within the housing recess 4 half.
• the contact surface of the closure element 2 with the second bearing part 11 is in an equatorial plane of the joint ball 6, see also Fig. 1.
• FIG 3 shows a sectional side view of a second ball joint 26 according to the invention with a second closure element 27 according to the invention.
• the same features have the same reference symbols as before. In this regard, to avoid repetition, reference is also made to the previous description.
• the structure and function of the ball joint 26 or closure element 27 shown here largely correspond to the ball joint 1 or the closure element 2 according to FIGS. The existing differences are described in more detail with reference to the figure below.
• FIG. 4 shows a section of the sectional side view according to FIG. 3.
• the ring section 21 in the closure element 27 shown here is not completely divided into the second component 13 or into the first bearing part 10 embedded. Instead, the second component 13 or the first bearing part 10 in this exemplary embodiment only makes contact with the surface 22 of the ring section 21.
• the second component 13 or the first bearing part 10 partially covers the end face 23 of the first component 12.
• an edge section 28 of the second component 13 or of the first bearing part 10 is formed, which faces the second bearing part 11 .
• the edge section 28 is essentially mirror-symmetrical to the edge flange 25 of the second bearing part 11 .
• the edge section 28 and the edge flange 25 lie on top of one another in an equatorial plane of the joint ball 6 .
• FIG. 5 shows a sectional side view of a third ball joint 29 according to the invention with a third closure element 30 according to the invention.
• the same features have the same reference numbers as before. In this regard, to avoid repetition, reference is also made to the previous description.
• the functioning and structure of the ball joint 29 and the closure element 30 largely correspond to the ball joint 26 and the closure element 27 according to FIGS. 3 and 4. The differences in comparison are explained in more detail using the following figure.
• Fig. 6 shows a section of the sectional side view according to FIG the second component 13 or the first bearing part 10 rests against the surface 22, the inner circumferential surface 18 and partially against the end face 23 of the first component 12.
• the closure element 30 or the first component 12 has an additional web-like flange section 31 in this exemplary embodiment.
• the flange section 31 extends coaxially to the central longitudinal axis 17 according to FIG. 5 in a direction away from the web section 20 or from the second component 13.
• the flange section 31 is of essentially hollow-cylindrical design.
• the flange section results essentially as an extension of the web section 20.
• the first component 12 has a T-shaped cross section rotated by 90° in the assembled state shown here. Furthermore, an outer circumference of the first component 12 has an elevation 32 .
• a plurality of elevations 32 are distributed evenly around the outer circumference of the first component 12 in the circumferential direction.
• the elevation 32 is implemented as a claw nose, for example.
• the elevation 32 engages in a correspondingly designed depression 33 in the inside of the housing recess 4 . Due to the form-fitting interaction of the elevation 32 and the depression 33, the closure element 30 is additionally secured against being pulled out of the housing recess 4.
• FIG. 7 shows a sectional side view of a further ball joint 34 according to the invention with a further closure element 35 according to the invention.
• Identical features bear the same reference symbols as before. In that regard, to avoid repetitions, reference is also made to the previous description.
• the ball joint 34 and the closure element 35 largely correspond to the ball joint 29 and the closure element 30 according to FIGS. 5 and 6.
• the first component 12 has a flange section 36 instead of the flange section 31 , which is moved radially inwards in relation to the central longitudinal axis 17 .
• the flange section 36 extends, starting from the radially inner end of the edge section 21, in the axial direction toward the central longitudinal axis 17 in a direction away from the second component 13 or from the first bearing part 10.
• the flange section 36 has a funnel-shaped outwardly opening de inclined contact surface 37 on its inside. This contact surface 37 can serve as a stop for the inner part 5 of the joint.
• FIG. 8 shows a perspective side view of a first bearing part 38 to form a two-part plain bearing.
• the first bearing part 38 is ring-shaped or ring-like.
• the first bearing part 38 has an outer peripheral surface 19 . In the sense of the preceding figures, this outer peripheral surface 19 can bear directly against an inner peripheral surface 18 of a first component 12 to form a closure element, which is not shown in detail here.
• An edge 39 has a plurality of first positive-locking elements 40 .
• the first form-fitting elements 40 have a tooth-like design.
• the first positive-locking elements 40 extend in the axial direction towards a longitudinal axis 41 of the first bearing part 38 away from the first bearing part 38 to form the edge 39 . By means of the positive-locking elements 40, an annular toothing is thus obtained.
• FIG. 9 shows a perspective side view of a second bearing part 42 for forming the two-part sliding bearing in combination with the first bearing part 38 according to FIG. 8.
• the second bearing part 42 is pot-like or cup-shaped.
• An edge 43 of the second bearing part 42 has second form-fitting elements 44 on its outer circumference.
• the second form-fitting elements 44 are designed as depressions in the outer circumference of the edge 43 that correspond to the first form-fitting elements 40 of the first bearing part 38 according to FIG.
• the second bearing part 42 has ribbing 45 .
• the ribbing 45 is formed on an outer side of the second bearing part 42 . After assembly of a two-part plain bearing to form a ball joint (not shown here), the ribbing 45 reduces or compensates for undesirable, particularly axially acting, stresses during tempering.
• the first bearing parts 10 and second bearing parts 11 shown in FIGS. 1 to 7 can have an edge 39 or an edge 43 and/or ribbing 45 as shown.
• FIG. 10 shows a perspective side view of a further first bearing part 46 for forming a two-part plain bearing.
• the first bearing part 46 has an edge section 28, as is shown in FIGS. 4 and 6, for example. In that regard, reference is also made to the previous description.
• Fig. 11 shows a perspective side view of another second bearing part 47 for forming the two-part plain bearing in combination with the other first bearing part 46 according to Fig. 10.
• the second bearing part 47 has an edge flange 25 as shown in Figs. In that regard, reference is also made to the previous description.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Pivots And Pivotal Connections (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=76744804

Family Applications (1)

Country Status (6)

Families Citing this family (2)

Family Cites Families (9)

• 2020
  • 2020-07-28 DE DE102020209477.2A patent/DE102020209477B3/de active Active
• 2021
  • 2021-06-23 CN CN202180059889.9A patent/CN116134230A/zh active Pending
  • 2021-06-23 KR KR1020237002542A patent/KR20230042462A/ko active Search and Examination
  • 2021-06-23 US US18/006,713 patent/US20230250847A1/en active Pending
  • 2021-06-23 WO PCT/EP2021/067093 patent/WO2022022895A1/de active Application Filing
  • 2021-06-23 EP EP21736995.8A patent/EP4189256A1/de active Pending

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