WO2001051822A1 - Coquille de support pour sphere de joint spherique - Google Patents

Coquille de support pour sphere de joint spherique Download PDF

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Publication number
WO2001051822A1
WO2001051822A1 PCT/DE2001/000029 DE0100029W WO0151822A1 WO 2001051822 A1 WO2001051822 A1 WO 2001051822A1 DE 0100029 W DE0100029 W DE 0100029W WO 0151822 A1 WO0151822 A1 WO 0151822A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing shell
ball
bearing
shell according
equatorial plane
Prior art date
Application number
PCT/DE2001/000029
Other languages
German (de)
English (en)
Inventor
Jürgen RABE
Paul Thienel
Original Assignee
Sachsenring Automobiltechnik Ag
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 Sachsenring Automobiltechnik Ag filed Critical Sachsenring Automobiltechnik Ag
Publication of WO2001051822A1 publication Critical patent/WO2001051822A1/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
    • 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
    • F16C11/0638—Construction or details of the socket member with linings the linings being made of plastics characterised by geometrical details
    • 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
    • F16C11/0666—Sealing means between the socket and the inner member shaft
    • F16C11/0671—Sealing means between the socket and the inner member shaft allowing operative relative movement of joint parts due to flexing of the sealing means

Definitions

  • the present invention relates to a bearing shell for a ball of a ball joint according to the preamble of claim 1.
  • Such a bearing shell and a ball joint with such a bearing shell are known from WO 98/15746.
  • the ball is inserted into a recess of a ball joint housing which is larger than the ball and is fixed in position by mechanical means.
  • the free space formed is then filled with filler material by a spraying process.
  • the space above the ball and part of the ball stud are filled with a sealing envelope made of a cross-linked and / or uncross-linked elastomer.
  • the mold used must be adapted to the shape of the ball joint housing. Different, correspondingly adapted shaping tools must therefore be created for different ball joint dimensions or ball joint shapes.
  • the object of the present invention is to simplify the manufacture of the bearing shell of a ball joint and to make it more cost-effective.
  • the sealing collar and the bearing cups can be produced in one operation or in an injection mold in such a way that the two bearing cups lie next to one another and are only connected to one another by the hinge.
  • the bearing shell is closed by simply closing the other spherical cap and thus fixed on the ball.
  • This unit can then be inserted and molded into a ball joint housing in a manner known per se.
  • 1 is a device for producing the bearing shell dome according to the invention with molded sealing sleeve from the side in section, 2 a bearing shell provided with an inserted ball pin with a snap connection,
  • FIG. 3 shows an enlarged illustration of a possible snap connection that can be opened again before latching
  • FIG. 4 shows the snap connection of FIG. 3 after latching
  • Fig. 5 is a locking hook for firmly locking a snap connection
  • Fig. 6 shows a detail of a bearing shell with a lubrication groove in the plane of the equator.
  • a mold This consists of a molding die 2 with a molding attachment 3. To the side of the molding attachment 3, two molding tool parts 4 and 5 which can be removed to the left or to the right in the drawing are provided. These mold parts 4, 5 have a contour which is adapted to the shape of the mold shoulder 3, so that a mold cavity 6 is produced which corresponds to the sealing sleeve 7 to be formed.
  • This mold part 8 has a mold head 10 in the form of a flattened hemisphere over the flat end 9 of the mold attachment 3.
  • An adapted shape 11 is provided in the mold 4 for this shape, so that there is a mold cavity 12 which is used to shape a bearing shell cap 13 with an opening 14.
  • the mold cavities 6 and 12 merge into one another. This can result in simultaneous injection of material for the sealing sleeve 7 into the mold cavity 6 and material for the bearing shell dome 13 into the mold cavity 12 in the region of the butt plane 15 between the mold attachment 3 and the mold head 10 of the mold parts 4 and 8, the two materials introduced are connected to one another in a positive and non-positive manner.
  • This gap forms a connection between the two bearing shell domes 13, 19 in the form of a film hinge 21.
  • the material for the sealing collar 7 consists of a thermoplastic elastomer, for example an elastomeric polyethylene, polypropylene, polyurethane or the like.
  • the material for the bearing shell calottes 13 and 19 and for the film hinge 21 consists of a polymer suitable for storage purposes, for example made of hard-elastic polyethylene, Polypropylene, polyimide, polytetrafluorocarbon, polyethylene terephthalate, polybutylene terephthalate or the like. In this way, as illustrated in FIG. 2, a bearing shell 22 is obtained from two bearing shell domes 13 and 19 which are connected to one another by the film hinge 21.
  • the pin 23 of a ball pin 24 is inserted through the bearing shell dome 13 with the opening 14 and through the sealing sleeve 7.
  • the bearing shell cap 19 is then folded onto the ball 26 in the direction of arrow 25.
  • the snap elements 27, 28 lock together.
  • the two bearing shell domes 13 and 19 are connected to one another and, at the same time, the bearing shell 22 is fixed on the ball 26.
  • a snap element 27 designed as a tab is provided on the hinged bearing shell cap 19 on the side 29 opposite the film hinge 21.
  • This snap element 27 is provided on the inside with a latching lug 30, which can snap into a molded snap element 28, which is designed as a groove 31 and is adapted to the other bearing shell dome 13 in the same way.
  • the dividing line 32 between the two bearing cups 13 and 19 forms a virtual equatorial plane 33, indicated by an arrow, in which the two bearing cups 13, 19 touch with their end faces 34, 35.
  • a plurality of snap connections can be provided on the circumference of the bearing shell spherical caps 13 and 19, as is shown in FIG. 2 by the tab 36 drawn on the bearing shell spherical cap 19.
  • the snap elements 27, 28 can also be provided in sections distributed over the circumference of the bearing shell calottes 13, 19 in the region of the equatorial plane 33 or at the end surfaces 34 and 35. As indicated in dashed lines in FIG. 2, they can advantageously also extend over the entire circumference of the bearing shell calottes 13, 19 in the region of the equatorial plane 33.
  • At least one lubrication groove 38 can be provided on the inside 37 of the bearing shell dome 13 and / or 19, as shown in FIG. 2 for the bearing shell dome 19. This can extend parallel to the equatorial plane 33. This lubrication groove 38 or further lubrication grooves can also be provided in other planes or tracks that run obliquely thereto, for example in a spiral shape or the like. According to FIG. 2, a lubrication groove 38 preferably extends along the equatorial plane 33, in that a recess or a respective lubrication groove 38 is provided on the inside 37 of the bearing shell dome 13 and / or the bearing shell dome 19.
  • fixing means 45 for example in the form of pins, webs or the like, can be provided on the outer surfaces 43 or 44 of the bearing shell calottes 13 or 19.
  • the bearing shell 22 can be mounted in the ball stud 23, 24 Condition are fixed in a recess of a ball joint housing, not shown, so that a cavity also formed thereby can be filled in a manner known per se with a filling compound, for example with a thermoplastic injection molding compound.
  • the locking lug 30 is designed as a locking hook. This latching hook can engage behind an edge of the other snap connection 28. As a result, there is a fixed connection, which cannot be detached or cannot be removed without aids, between the two bearing cup domes 13 and 19.
  • FIG. 6 shows, on an enlarged scale, a section of the bearing shell cap 19 with the film hinge 21, the dividing line 32 between the two bearing shell domes 13, 19, the lubrication groove 38 and the equatorial plane 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

La présente invention concerne une coquille de support pour une sphère (26), montée sur un pivot sphérique (24), d'un joint sphérique (21, 22, 24). L'objectif de la présente invention est d'améliorer cette coquille de support (22), de façon que sa production puisse être économique. Afin d'atteindre cet objectif, la coquille de support (22) est constituée de deux calottes de coquille de support (13, 19), séparées au niveau du plan équatorial (33) ou approximativement au niveau du plan équatorial (33), qui sont reliées l'une à l'autre par une charnière sous forme de film (21).
PCT/DE2001/000029 2000-01-14 2001-01-09 Coquille de support pour sphere de joint spherique WO2001051822A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20000654U DE20000654U1 (de) 2000-01-14 2000-01-14 Lagerschale für eine Kugel eines Kugelgelenks
DE20000654.1 2000-01-14

Publications (1)

Publication Number Publication Date
WO2001051822A1 true WO2001051822A1 (fr) 2001-07-19

Family

ID=7935944

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2001/000029 WO2001051822A1 (fr) 2000-01-14 2001-01-09 Coquille de support pour sphere de joint spherique

Country Status (2)

Country Link
DE (1) DE20000654U1 (fr)
WO (1) WO2001051822A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2407844A (en) * 2003-11-06 2005-05-11 Christopher Summers Ball joint mechanisms
TWI398583B (zh) * 2009-03-20 2013-06-11 Pegatron Corp 樞轉裝置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061939B4 (de) * 2005-11-29 2009-03-19 Teleflex Automotive Germany Gmbh Gedämpfte Lagerschale für Handschalthebel
DE102013104120B4 (de) * 2013-04-24 2016-04-14 Miele & Cie. Kg Lagerung für eine Trommel eines Wäschetrockners mit einer horizontal oder schräg drehbar gelagerten Trommelachse sowie Wäschebehandlungsmaschine insbesondere Wäschetrockner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB817027A (en) * 1956-09-11 1959-07-22 Ford Motor Co Improvements in or relating to ball joints
GB1549253A (en) * 1976-11-05 1979-08-01 Automotive Prod Co Ltd Ball and socket joints and a method of manufacture thereof
US4318627A (en) * 1979-05-15 1982-03-09 Societe Anonyme D.B.A. Ball and socket articulated joint
US4624674A (en) * 1982-02-24 1986-11-25 Pappas Michael J Spherical kinematic joint

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119061A1 (de) * 1980-09-10 1982-04-29 Springfix-Befestigungstechnik Gmbh, 7335 Salach Einstueck aus einem kunststoff gespritzte kugelpfanne fuer ein kugelgelenk
DE19545567C2 (de) * 1995-12-07 1997-12-18 Trw Fahrwerksyst Gmbh & Co Kugelgelenk
DE29617276U1 (de) * 1996-10-07 1998-02-05 Sachsenring Automobiltechnik G Kugelgelenk

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB817027A (en) * 1956-09-11 1959-07-22 Ford Motor Co Improvements in or relating to ball joints
GB1549253A (en) * 1976-11-05 1979-08-01 Automotive Prod Co Ltd Ball and socket joints and a method of manufacture thereof
US4318627A (en) * 1979-05-15 1982-03-09 Societe Anonyme D.B.A. Ball and socket articulated joint
US4624674A (en) * 1982-02-24 1986-11-25 Pappas Michael J Spherical kinematic joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2407844A (en) * 2003-11-06 2005-05-11 Christopher Summers Ball joint mechanisms
TWI398583B (zh) * 2009-03-20 2013-06-11 Pegatron Corp 樞轉裝置

Also Published As

Publication number Publication date
DE20000654U1 (de) 2001-05-23

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