EP3529507A1 - Sleeve joint, in particular for a vehicle - Google Patents
Sleeve joint, in particular for a vehicleInfo
- Publication number
- EP3529507A1 EP3529507A1 EP17780320.2A EP17780320A EP3529507A1 EP 3529507 A1 EP3529507 A1 EP 3529507A1 EP 17780320 A EP17780320 A EP 17780320A EP 3529507 A1 EP3529507 A1 EP 3529507A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- outer sleeve
- sleeve
- ball
- joint according
- sleeve joint
- 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- Withdrawn
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
- F16C11/0614—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part of the joint being open on two sides
-
- 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
- F16C11/0661—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the two co-operative parts each having both convex and concave interfaces
-
- 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
-
- 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
-
- 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
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
- F16C2220/04—Shaping by casting by injection-moulding
-
- 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
- F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein
-
- 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
- F16C2326/20—Land vehicles
- F16C2326/24—Steering systems, e.g. steering rods or columns
Definitions
- the invention relates to a sleeve joint according to the preamble of patent claim 1.
- a sleeve joint which has an inner ball sleeve and an outer sleeve. Between the two sleeve elements a spherical shell for the ball sleeve is arranged. An inner sleeve supports the ball cup over the outer sleeve. For axial securing of the components located in the outer sleeve are end-side locking rings, which are clamped over a respective end-side curl of the outer sleeve against the inner sleeve.
- the object of the present invention is to develop a sleeve joint with regard to the optimization of the manufacturing process.
- the ball shell extends radially up to an inner wall of the outer sleeve, so that the ball shell is supported directly on the outer sleeve.
- the great advantage of the invention is that the number of necessary parts is drastically reduced compared to the cited prior art.
- the outer sleeve has a radially inwardly facing edge, which forms a positive connection with the spherical shell. This positive connection prevents sideways emigration of the ball shell from the outer sleeve.
- the ball shell extends axially over the outer sleeve and has a receiving groove for a sealing bellows. This eliminates another component that was previously necessary for the attachment of the sealing bellows.
- At least one inner lateral surface of the angled edge is covered by the spherical shell.
- faces are formed in a surface coating by means of paint or z.
- galvanizing defects which are now no longer exposed to environmental influences.
- an angle enclosed by an inner wall of the outer sleeve and the angled edge is less than or equal to 90 °.
- the inner ball joint body has a receiving groove for the sealing bellows, wherein the maximum diameter of the groove profile is smaller than the smallest diameter of the spherical shell. A device slider can thereby be guided past the receiving groove in the direction of the ball socket.
- the outer sleeve may have a form-fitting profile in the direction of the spherical shell in order to prevent a rotational relative movement between the spherical shell and the outer sleeve.
- the form-locking profile is formed by at least one at least segment-like bead.
- the bead can of course be circular and extend over the entire circumference of the outer sleeve.
- the inner diameter of the outer sleeve in the region of the angled edge is at least as large as the maximum diameter of the ball joint body.
- the ball joint body can be inserted into a finished outer sleeve to continue the further assembly.
- the spherical shell is preferably made of a fiber-reinforced plastic.
- the fiber content increases the strength of the spherical shell. Initial tests have shown that with a fiber content of about 30%, a good compromise between strength and sliding properties can be achieved.
- the spherical shell may consist of ball-reinforced plastic.
- the fiber In principle, it would be possible for the fiber to consist of a vitreous material. However, for optimized frictional behavior, carbon fiber fibers have provided better results.
- the outer sleeve has a connection opening for the supply of liquid plastic.
- the connection opening is not an optical flaw, since the outer sleeve is pressed in most applications in a carrier component, so that thus the connection opening is covered.
- the ball joint body is inserted into the outer sleeve and held defined in an injection mold, wherein the ball shell is produced by supplying a sprayable plastic compound, which fills a clearance between the ball joint body and the outer sleeve.
- the ball shell is thus not manufactured as a rigid component, but only by injection molding in a device in which the outer sleeve and the ball joint body are already fixed, generated.
- the plastic mass is injected via the connection opening in the free space. This variant makes low demands on the spray device.
- the plastic mass is injected via an annular gap between the outer sleeve and the ball joint body. This simplifies the outer sleeve.
- the entire end face of the ball socket can serve as an injection opening cross-section, so that the plastic volume can be introduced into the device in a very short working cycle time.
- the angled edge of the outer sleeve is formed before the injection process of the plastic material.
- the outer sleeve can be completely finished and supplied to the further manufacturing process.
- FIG. 5 shows a view of the sleeve joint according to FIG. 1,
- Fig. 9 is an outer sleeve with two circumferential grooves.
- the ball joint body 5 penetrates the outer sleeve 3 on both sides, so that the ball profile is limited in cross-section only on a ball portion 7.
- the ball joint body 5 is designed as a sleeve, however, a solid component can equally be used.
- a spherical shell made of a plastic material is arranged between the ball joint body 5 and the outer sleeve 3.
- the ball socket 9 sits on the one hand directly on the ball joint body 5 and on the other hand directly to an inner wall 11 of the outer sleeve 3, so that the ball socket 9 is also supported directly on the outer sleeve 3.
- the plastic material is fiber-reinforced, preferably with glass fibers or carbon fibers.
- the plastic material may be reinforced by glass beads.
- the outer sleeve shown as an individual part in FIGS. 2 and 3, has an edge 13 which is angled radially inwardly at the end thereof; 15.
- One of the inner wall 11 of the outer sleeve 3 and the angled edge 13; 15 included angle ⁇ should preferably be less than or equal to 90 °. (see Fig. 3).
- a connection opening 19 for the supply of liquid plastic can be seen.
- the outer sleeve is prefabricated as a separate component and fed to the further manufacturing process.
- the inner diameter of the outer sleeve 3 in the region of the angled edge 13; 15 is at least as large as the maximum diameter of the ball joint body 5, in particular of the ball portion 7. This makes it possible that the ball joint body 5 is inserted into the outer sleeve 3, even if the edge 13; 15 is already completed on the outer sleeve 3.
- FIG. 4 shows an intermediate mounting state in which the ball joint body 5 is inserted inside the outer sleeve 3, but the ball socket 9 has not yet been produced. In the intermediate assembly state of FIG. 4, the still unfinished assembly is inserted defined in an injection mold 21.
- the ball shell 9 there is a free space 23 for the ball shell 9 to be produced by means of a spraying process, with a sprayable plastic mass filling this clearance 23 in accordance with the shape of the injection tool 21.
- the plastic compound can be injected via the connection opening 19 in the outer sleeve 3 or via an annular gap 25 between the outer sleeve 3 and the ball joint body 5.
- the inherent elasticity of the spherical shell 9 can be determined via various process parameters, such as, for example, holding pressure and / or injection pressure of the plastic mass.
- the radially inwardly facing edge 13; 15 each a positive connection 27; 29 with the spherical shell 9. It can also be an inner circumferential surface and even a top surface 31 of the angled edge 13; 15 are covered by the plastic mass of the spherical shell and thus protect a particularly corrosion-critical area, (see Fig. 2 and 3).
- Figure 5 discloses a receiving groove 33 in the ball joint body 5 for a sealing bellows, not shown, which is intended to cover the free area of the ball joint body 5, so that no dirt in the contact area between the ball socket 9 and the ball joint body 5 can penetrate.
- a slide 35 see Fig. 1
- the ball socket 9 extends axially over the outer sleeve 3 and has a receiving groove 37 for the sealing bellows.
- a maximum diameter of the receiving groove 33 is made smaller than the smallest diameter of the spherical shell 9 outside of said contact surface. Consequently, a comparatively simple tool structure can be provided in order to also carry out more extensive geometries.
- the sleeve joint 1 is tempered for a few minutes or even over a relatively long period of time between 40 ° C and 80 ° C. As a result, the entire component can set, which can significantly improve the friction behavior of the sleeve joint 1.
- the figures 6 and 7 a further development of the outer sleeve 3 is still to be presented, which show a form-fitting profile 39 in the execution of at least one at least segment-like bead.
- the basic shape of the outer sleeve 3 is identical to the embodiment of Figures 1 to 5.
- the beads 39 are to ensure that no rotational relative movement between the outer sleeve 3 and the spherical shell 9 occurs under any circumstances. Furthermore, by the sleeve joint 1 and higher axial forces can be taken. You can provide circular beads, but also arcuate beads. The illustration is only to be understood as an example.
- the ball joint 1 After the ball joint 1 has been removed from the injection mold 21, it is possible, as already described, to perform a post-heating operation. However, the sleeve joint can already fulfill its basic function and requires no post-processing. Finally, the sealing bellows in the grooves 33; 37 of the ball socket 9 and the ball joint body 5 is placed.
- outer sleeve 3 shows further possible variants of the outer sleeve 3 in each case in a sectional view and in a lateral plan view.
- the outer sleeve 3 is provided with a groove 41 running in the central region ("equatorial region").
- the circumferential groove 41 separates the outer sleeve 3 into two equally large regions.
- the outer sleeve 3 is provided with two circumferential grooves 43, 45.
- the circumferential grooves 43, 45 are spaced from one another and are each equally spaced from a central region ("equatorial region") of the outer sleeve 3 (symmetrical with respect to the equatorial region)., As indicated by dimensioning in the side elevational view, is between the grooves 43, 45 lying equatorial region has an outer diameter D2, which is smaller than the respective outer diameter D1 of lying outside the equatorial edge regions of the outer sleeve.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Joints Allowing Movement (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016220438.6A DE102016220438A1 (en) | 2016-10-19 | 2016-10-19 | Sleeve joint, especially for a vehicle |
PCT/EP2017/073560 WO2018072947A1 (en) | 2016-10-19 | 2017-09-19 | Sleeve joint, in particular for a vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3529507A1 true EP3529507A1 (en) | 2019-08-28 |
Family
ID=60022051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17780320.2A Withdrawn EP3529507A1 (en) | 2016-10-19 | 2017-09-19 | Sleeve joint, in particular for a vehicle |
Country Status (7)
Country | Link |
---|---|
US (1) | US10711829B2 (en) |
EP (1) | EP3529507A1 (en) |
JP (1) | JP2019537689A (en) |
KR (1) | KR102479805B1 (en) |
CN (1) | CN109844332A (en) |
DE (1) | DE102016220438A1 (en) |
WO (1) | WO2018072947A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018213606A1 (en) * | 2018-08-13 | 2020-02-13 | Zf Friedrichshafen Ag | Joint and method of making such a joint |
DE102018217642A1 (en) * | 2018-10-15 | 2020-04-16 | Zf Friedrichshafen Ag | Chassis component for a wheel suspension and method for producing a chassis component |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1955718U (en) * | 1966-12-14 | 1967-02-16 | Skf Kugellagerfabriken Gmbh | JOINT BEARING. |
FR2540202A1 (en) * | 1983-01-28 | 1984-08-03 | Skf Cie Applic Meca Adr | PROCESS FOR MANUFACTURING RODS OR OTHER SELF-LUBRICATED JOINTS |
JPH0615284B2 (en) * | 1985-07-04 | 1994-03-02 | 東海ゴム工業株式会社 | Manufacturing method of suspension bushing assembly in vehicle suspension mechanism |
JP3051423B2 (en) * | 1990-05-21 | 2000-06-12 | 豊田合成株式会社 | Spherical sliding bush |
JPH0518411A (en) * | 1991-07-11 | 1993-01-26 | Somitsuku Ishikawa:Kk | Spherical surface slide bearing |
JPH05306711A (en) * | 1992-04-28 | 1993-11-19 | Musashi Seimitsu Ind Co Ltd | Ball joint and its manufacture |
DE4216559C2 (en) * | 1992-05-20 | 1995-05-24 | Freudenberg Carl Fa | Swivel bearing |
JPH0651538U (en) * | 1992-12-21 | 1994-07-15 | エヌティエヌ株式会社 | Spherical bearing |
JPH06280851A (en) * | 1993-03-25 | 1994-10-07 | Bridgestone Corp | Spheric sliding type joint device |
JPH07127628A (en) * | 1993-11-04 | 1995-05-16 | Marugo Gomme Kogyo Kk | Spherical slide type bush |
US5775815A (en) * | 1997-02-26 | 1998-07-07 | Tuthill Corporation | Ball and socket swivel bearing |
GB2344850B (en) * | 1998-12-18 | 2002-10-16 | Components & Linkages Group Lt | Rod end bearing |
DE10348787B3 (en) * | 2003-10-21 | 2004-11-18 | SGF Süddeutsche Gelenkscheibenfabrik GmbH & Co KG | Ball linkage bearing used between 2 shaft ends in automobile drive train has coupling maintaining outer and inner bearing rings in coaxial position during mounting of bearing |
GB2428752B (en) * | 2004-10-06 | 2007-03-14 | Minebea Co Ltd | A bearing assembly |
DE102007016171A1 (en) * | 2007-04-02 | 2008-10-09 | Zf Friedrichshafen Ag | Ball sleeve joint |
JP2009079652A (en) | 2007-09-26 | 2009-04-16 | Minebea Co Ltd | Spherical slide bearing with resin liner, and rod end bearing |
CN101520075A (en) * | 2009-03-31 | 2009-09-02 | 赵丰 | Spring bushing assembly for automobile front steel plates, and production process thereof |
DE102010041306A1 (en) * | 2010-09-24 | 2012-03-29 | Zf Friedrichshafen Ag | Method of making a ball and socket joint |
JP5718620B2 (en) * | 2010-11-19 | 2015-05-13 | 日本発條株式会社 | Manufacturing method of stabilizer link |
US20120141052A1 (en) * | 2010-12-05 | 2012-06-07 | New Hampshire Ball Bearings, Inc. | Self lubricated bearing compositions and methods of making the same |
US9316257B2 (en) * | 2011-04-01 | 2016-04-19 | Roller Bearing Company Of America, Inc. | Spherical bearing with sealing member member |
KR101293976B1 (en) | 2011-07-29 | 2013-08-07 | 현대자동차주식회사 | Bush for suspension of vehicle |
CN202545578U (en) * | 2012-02-17 | 2012-11-21 | 芜湖禾田汽车工业有限公司 | Axial rigidity-enhancing bush |
DE102012207527B4 (en) | 2012-05-07 | 2022-12-29 | Zf Friedrichshafen Ag | Sleeve joint for a vehicle |
CN102874066A (en) * | 2012-09-26 | 2013-01-16 | 柳州孔辉汽车科技有限公司 | Stabilizer bar bush assembly |
JP6176196B2 (en) * | 2014-07-02 | 2017-08-09 | トヨタ自動車株式会社 | Stabilizer bar support device |
-
2016
- 2016-10-19 DE DE102016220438.6A patent/DE102016220438A1/en active Pending
-
2017
- 2017-09-19 US US16/340,872 patent/US10711829B2/en not_active Expired - Fee Related
- 2017-09-19 JP JP2019505040A patent/JP2019537689A/en active Pending
- 2017-09-19 CN CN201780064281.9A patent/CN109844332A/en active Pending
- 2017-09-19 KR KR1020197011139A patent/KR102479805B1/en active IP Right Grant
- 2017-09-19 EP EP17780320.2A patent/EP3529507A1/en not_active Withdrawn
- 2017-09-19 WO PCT/EP2017/073560 patent/WO2018072947A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE102016220438A1 (en) | 2018-04-19 |
CN109844332A (en) | 2019-06-04 |
US10711829B2 (en) | 2020-07-14 |
WO2018072947A1 (en) | 2018-04-26 |
US20190242428A1 (en) | 2019-08-08 |
JP2019537689A (en) | 2019-12-26 |
KR102479805B1 (en) | 2022-12-22 |
KR20190065306A (en) | 2019-06-11 |
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