WO2006003131A1 - Starting device - Google Patents

Starting device Download PDF

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Publication number
WO2006003131A1
WO2006003131A1 PCT/EP2005/053005 EP2005053005W WO2006003131A1 WO 2006003131 A1 WO2006003131 A1 WO 2006003131A1 EP 2005053005 W EP2005053005 W EP 2005053005W WO 2006003131 A1 WO2006003131 A1 WO 2006003131A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
drive
outer ring
roller bearing
starting device
Prior art date
Application number
PCT/EP2005/053005
Other languages
German (de)
French (fr)
Inventor
Roger Ferwagner
Thomas Fischer
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN2005800221126A priority Critical patent/CN1977107B/en
Priority to BRPI0512800-5A priority patent/BRPI0512800B1/en
Priority to EP05766810A priority patent/EP1763633A1/en
Publication of WO2006003131A1 publication Critical patent/WO2006003131A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement

Definitions

  • Cylindrical roller bearing or needle roller bearing executed.
  • German Patent Application DE 19726726 A1 can be mentioned here. While the cited patent publication still shows an axial stop in the drive bearing, which avoids an axial sliding out of the cylindrical roller bearing, it was found that pushed out in modified versions with a smooth continuous cylindrical bore in the drive bearing for receiving the cylindrical roller bearing in rare cases this camp from the drive end plate can be. This pushing out is caused by acting between the drive shaft and the rolling friction when pushing out the drive shaft.
  • the erf ⁇ ndungsdorfe launcher having the features of the main claim has the advantage that in the drive end shield further a cylindrical smooth, step-free bore for receiving the bearing can be provided and at the same time a sliding out of the bearing is reliably prevented from the drive bearing.
  • a non-cutting production process can be used in the production of rolling bearings, which is much less expensive than the machining process on the drive end plate.
  • Figure 3 is a fragmentary view of a rolling bearing according to a second embodiment.
  • freely ejecting starter 10 for starting internal combustion engines in motor vehicles has a front drive bearing plate 11, in the bearing bore 12, a roller bearing 13 is used to receive a drive shaft 14.
  • the drive shaft 14 enters at the front end
  • the drive shaft 14 carries at the rear end of a freewheel 16 and a meshing mechanism 17 which is to be actuated via a push-in lever 18 by a starter relay 19.
  • the drive shaft 14 is rotatably mounted with its Einspurmechanismus 17 on an output shaft 20 of the starting device and axially displaceable.
  • a planetary gear 21 At the rear end of the drive shaft 20 sits a planetary gear 21, on the drive side, a sun gear 22 engages, which is arranged on the rotor shaft 23 of a starter motor 24.
  • the planetary gear 21 is received in the housing 26 of the drive motor 24 via an elastic intermediate bearing 25.
  • FIG 2 the front portion of the drive bearing plate 11 is shown in a cutaway longitudinal section.
  • a roller bearing 13 designed as a roller bearing is inserted in the bearing bore 12.
  • This rolling bearing 13 has an outer ring 30, via which the rolling bearing 13 is firmly seated in the drive bearing plate 11.
  • This outer ring 30 has a collar 33, a Moving the roller bearing 13 from the drive end plate 11 prevented out.
  • This collar 33 is formed in this exemplary embodiment as a circumferential bead.
  • a starting device for internal combustion engines which has a drive bearing plate 11 and a drive shaft 14, wherein the drive shaft 14 in the
  • Anti-disc bearing 11 is supported by a roller bearing 13 and the rolling bearing 13 allows a relative movement between the drive shaft 14 and the roller bearing 13. Incidentally, the relative movement is both in the drive shaft direction and in the circumferential direction.
  • the rolling bearing 13 has an outer ring 30 which is stuck in the drive end plate 11. This outer ring 30 has a stop 33, which is a displacement of the
  • the outer ring 30 has a cylindrical contour over which the rolling bearing 13 is fitted in the drive end plate 11.
  • the stopper 33 is disposed at the axial end of the rolling bearing 13, which is directed toward the interior of the starting device 10.
  • Stop 33 projects beyond the cylindrical contour of the outer ring 30 and is embodied here in one piece with the outer ring 30 and can also be referred to here as a collar 34 or bead.
  • the collar 34 is not designed as a ring-like bead, as is the case in Figure 2. Instead, a plurality of projections 36 are provided on the circumference of the outer ring 30, which are preferably distributed uniformly on the circumference of the outer ring 30. For example, three projections 36 are distributed at an angular distance of 120 °.
  • Figure 3 The illustrated in Figure 3
  • Projection 36 is produced in that in the transition region from the cylindrical contour of the outer ring 30 to the axial collar 39 of the outer ring 30 in the axial direction a a stamp has deformed a part of this transition region such that the projection 36 is formed.
  • the rolling bearing 13 is a cylindrical roller bearing, preferably a needle bearing, with a tinny outer ring 30, the projection 36 or collar 34 is integrally formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rolling Contact Bearings (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention relates to a starting device for internal combustion engines, comprising a drive bearing (11) and a drive shaft (14), the drive shaft (14) being supported on the drive bearing (11) by a roller bearing (13). The roller bearing (13) permits relative movement with linear and rotating portions between the drive shaft (14) and the roller bearing (13). The starting device is characterized in that the roller bearing (13) comprises an outer ring (30) fixedly arranged in the drive bearing (11), and in that the outer ring has an abutment (33) to prevent displacement of the roller bearing (13) outside of the drive bearing (11).

Description

Startvorrichtungstarter
Stand der TechnikState of the art
Es sind Startvorrichtungen bekannt, deren Ritzelschaft im Antriebslagerschild mittels Wälzlagern abgestützt sind. Diese Wälzlager sind häufig als sogenannteThere are known starting devices whose pinion shaft are supported in the drive end shield by means of rolling bearings. These bearings are often called so-called
Zylinderrollenlager- bzw. Nadelrollenlager ausgeführt. Beispielhaft kann hier die deutsche Offenlegungsschrift DE 19726726 Al genannt werden. Während die eben zitierte Offenlegungsschrift noch einen axialen Anschlag im Antriebslager zeigt, welcher ein axiales Herausschieben des Zylinderrollenlagers vermeidet, so wurde festgestellt, dass in modifizierten Ausführungen mit einer glatten durchgehenden zylindrischen Bohrung im Antriebslager zur Aufnahme des Zylinderrollenlagers in seltenen Fällen dieses Lager aus dem Antriebslagerschild herausgeschoben werden kann. Dieses Herausschieben wird verursacht durch zwischen der Antriebswelle und den Wälzkörpern wirkende Reibung beim Herausschieben der Antriebswelle.Cylindrical roller bearing or needle roller bearing executed. By way of example, German Patent Application DE 19726726 A1 can be mentioned here. While the cited patent publication still shows an axial stop in the drive bearing, which avoids an axial sliding out of the cylindrical roller bearing, it was found that pushed out in modified versions with a smooth continuous cylindrical bore in the drive bearing for receiving the cylindrical roller bearing in rare cases this camp from the drive end plate can be. This pushing out is caused by acting between the drive shaft and the rolling friction when pushing out the drive shaft.
Vorteile der ErfindungAdvantages of the invention
Die erfϊndungsgemäße Startvorrichtung mit den Merkmalen des Hauptanspruchs hat den Vorteil, dass im Antriebslagerschild weiterhin eine zylindrische durchgängig glatte, absatzfreie Bohrung zur Aufnahme des Wälzlagers vorgesehen werden kann und gleichzeitig ein Herausschieben des Wälzlagers aus dem Antriebslager sicher verhindert wird. Zudem kann bei der Herstellung der Wälzlager ein spanloser Herstellungsprozess angewandt werden, der deutlich weniger aufwändig als der Zerspanungsprozess am Antriebslagerschild ist Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen der Startvorrichtung nach dem Hauptanspruch möglich.The erfϊndungsgemäße launcher having the features of the main claim has the advantage that in the drive end shield further a cylindrical smooth, step-free bore for receiving the bearing can be provided and at the same time a sliding out of the bearing is reliably prevented from the drive bearing. In addition, a non-cutting production process can be used in the production of rolling bearings, which is much less expensive than the machining process on the drive end plate The measures listed in the dependent claims advantageous refinements of the starting device according to the main claim are possible.
Zeichnungendrawings
Ih den Zeichnungen sind Ausführungsbeispiele einer erfindungsgemäßen Startvorrichtung dargestellt. Es zeigen:Ih the drawings embodiments of a starting device according to the invention are shown. Show it:
Figur 1 eine Startvorrichtung für Brennkraflmaschinen im Längsschnitt,1 shows a starting device for Brennkraflmaschinen in longitudinal section,
Figur 2 das Antriebslagerschild in vergrößertem Maßstab mit einem Wälzlager in einer ersten Ausführung,2 shows the drive end shield in an enlarged scale with a rolling bearing in a first embodiment,
Figur 3 eine ausschnittweise Darstellung eines Wälzlagers nach einem zweiten Ausführungsbeispiel.Figure 3 is a fragmentary view of a rolling bearing according to a second embodiment.
Die im Längsschnitt in Figur 1 dargestellte, frei ausstoßende Startvorrichtung 10 zum Andrehen von Brennkraftmaschinen in Kraftfahrzeugen hat einen vorderen Antriebslagerschild 11, in dessen Lagerbohrung 12 ein Wälzlager 13 zur Aufnahme einer Antriebswelle 14 eingesetzt ist. Die Antriebswelle 14 trägt am vorderen Ende einThe illustrated in longitudinal section in Figure 1, freely ejecting starter 10 for starting internal combustion engines in motor vehicles has a front drive bearing plate 11, in the bearing bore 12, a roller bearing 13 is used to receive a drive shaft 14. The drive shaft 14 enters at the front end
Einspurritzel 15 zum Einrücken in den nicht dargestellten Zahnkranz der Brennkraftmaschine. Die Antriebswelle 14 trägt am hinteren Ende einen Freilauf 16 und einen Einspurmechanismus 17, der über einen Eindrückhebel 18 von einem Starterrelais 19 zu betätigen ist. Die Antriebswelle 14 ist mit seinem Einspurmechanismus 17 auf einer Abtriebswelle 20 der Startvorrichtung drehbar und axial verschiebbar gelagert. Am hinteren Ende der Antriebswelle 20 sitzt ein Planetengetriebe 21, auf dessen Antriebsseite ein Sonnenrad 22 eingreift, welches an der Rotorwelle 23 eines Andrehmotors 24 angeordnet ist. Das Planetengetriebe 21 ist über ein elastisches Zwischenlager 25 im Gehäuse 26 des Antriebmotors 24 aufgenommen.Einspurritzel 15 for engagement in the ring gear, not shown, of the internal combustion engine. The drive shaft 14 carries at the rear end of a freewheel 16 and a meshing mechanism 17 which is to be actuated via a push-in lever 18 by a starter relay 19. The drive shaft 14 is rotatably mounted with its Einspurmechanismus 17 on an output shaft 20 of the starting device and axially displaceable. At the rear end of the drive shaft 20 sits a planetary gear 21, on the drive side, a sun gear 22 engages, which is arranged on the rotor shaft 23 of a starter motor 24. The planetary gear 21 is received in the housing 26 of the drive motor 24 via an elastic intermediate bearing 25.
In Figur 2 ist in einem ausschnittweisen Längsschnitt der vordere Bereich des Antriebslagerschilds 11 dargestellt. In diesem Antriebslagerschild 11 ist in der Lagerbohrung 12 ein als Rollenlager ausgeführtes Wälzlager 13 eingesetzt. Dieses Wälzlager 13 hat einen Außenring 30, über den das Wälzlager 13 fest im Antriebslagerschild 11 sitzt. Dieser Außenring 30 weist einen Bund 33 auf, der ein Verschieben des Wälzlagers 13 aus dem Antriebslagerschild 11 heraus verhindert. Dieser Bund 33 ist in diesem Ausfuhrungsbeispiel als umlaufender Wulst ausgebildet.In Figure 2, the front portion of the drive bearing plate 11 is shown in a cutaway longitudinal section. In this drive bearing plate 11, a roller bearing 13 designed as a roller bearing is inserted in the bearing bore 12. This rolling bearing 13 has an outer ring 30, via which the rolling bearing 13 is firmly seated in the drive bearing plate 11. This outer ring 30 has a collar 33, a Moving the roller bearing 13 from the drive end plate 11 prevented out. This collar 33 is formed in this exemplary embodiment as a circumferential bead.
Es ist somit eine Startvorrichtung für Brennkraftmaschinen vorgesehen, die ein Antriebslagerschild 11 und eine Antriebswelle 14 hat, wobei die Antriebswelle 14 imIt is thus provided a starting device for internal combustion engines, which has a drive bearing plate 11 and a drive shaft 14, wherein the drive shaft 14 in the
Antiiebslagerschild 11 durch ein Wälzlager 13 abgestützt ist und das Wälzlager 13 eine Relativbewegung zwischen der Antriebswelle 14 und dem Wälzlager 13 ermöglicht. Die Relativbewegung ist im Übrigen sowohl in Antriebswellenrichtung, als auch in Umfangsrichtung. Das Wälzlager 13 hat einen Außenring 30, der im Antriebslagerschild 11 festsitzt. Dieser Außenring 30 weist einen Anschlag 33 auf, der ein Verschieben desAnti-disc bearing 11 is supported by a roller bearing 13 and the rolling bearing 13 allows a relative movement between the drive shaft 14 and the roller bearing 13. Incidentally, the relative movement is both in the drive shaft direction and in the circumferential direction. The rolling bearing 13 has an outer ring 30 which is stuck in the drive end plate 11. This outer ring 30 has a stop 33, which is a displacement of the
Wälzlagers 13 aus dem Antriebslagerschild 11 heraus verhindert.Rolling 13 prevented from the drive end plate 11 out.
Der Außenring 30 hat eine zylindrische Kontur, über die das Wälzlager 13 im Antriebslagerschild 11 eingepasst ist. Der Anschlag 33 ist an dem axialen Ende des Wälzlagers 13 angeordnet, das zum Inneren der Startvorrichtung 10 gerichtet ist. DerThe outer ring 30 has a cylindrical contour over which the rolling bearing 13 is fitted in the drive end plate 11. The stopper 33 is disposed at the axial end of the rolling bearing 13, which is directed toward the interior of the starting device 10. Of the
Anschlag 33 überragt die zylindrische Kontur des Außenrings 30 und ist hier einstückig mit dem Außenring 30 ausgeführt und kann hier auch als Bund 34 oder Wulst bezeichnet werden.Stop 33 projects beyond the cylindrical contour of the outer ring 30 and is embodied here in one piece with the outer ring 30 and can also be referred to here as a collar 34 or bead.
In Figur 3 ist ausschnittweise die Stelle vergrößert dargestellt, an der der Bund 34 dasIn Figure 3, the section is shown enlarged, where the collar 34 the
~ axiale Verschieben des Wälzlagers 13 verhindert. In diesem Ausfuhrungsbeispiel ist der Bund 34 nicht als ringartige Wulst ausgeführt, wie dies in Figur 2 der Fall ist. Stattdessen sind am Umfang des Außenrings 30 mehrere Vorsprünge 36 vorhanden, die am Umfang des Außenrings 30 vorzugsweise gleichmäßig verteilt angeordnet sind. Beispielsweise sind drei Vorsprünge 36 im Winkelabstand von 120° verteilt. Der in Figur 3 dargestellte~ axial displacement of the rolling bearing 13 prevented. In this embodiment, the collar 34 is not designed as a ring-like bead, as is the case in Figure 2. Instead, a plurality of projections 36 are provided on the circumference of the outer ring 30, which are preferably distributed uniformly on the circumference of the outer ring 30. For example, three projections 36 are distributed at an angular distance of 120 °. The illustrated in Figure 3
Vorsprung 36 ist dadurch hergestellt, dass im Übergangsbereich von der zylindrischen Kontur des Außenrings 30 zum axialen Bund 39 des Außenrings 30 in Axialrichtung a ein Stempel einen Teil dieses Übergangsbereichs derart verformt hat, dass der Vorsprung 36 entstanden ist.Projection 36 is produced in that in the transition region from the cylindrical contour of the outer ring 30 to the axial collar 39 of the outer ring 30 in the axial direction a a stamp has deformed a part of this transition region such that the projection 36 is formed.
Es ist vorgesehen, dass das Wälzlager 13 ein Zylinderrollenlager, vorzugsweise ein Nadellager, mit einem blechernen Außenring 30 ist, dessen Vorsprung 36 oder Bund 34 einstückig angeformt ist. It is envisaged that the rolling bearing 13 is a cylindrical roller bearing, preferably a needle bearing, with a tinny outer ring 30, the projection 36 or collar 34 is integrally formed.

Claims

- A -Anspriiche - A statement
1. Startvorrichtung für Brennkrafilmaschinen mit einem Antriebslagerschild (11) und einer Antriebswelle (14), wobei die Antriebswelle (14) im Antriebslagerschild (11) durch ein Wälzlager (13) abgestützt ist und das Wälzlager (13) eine Relativbewegung mit geradlinigen und drehenden Anteilen zwischen der Antriebswelle (14) und dem Wälzlager (13) ermöglicht, dadurch gekennzeichnet, dass das Wälzlager (13) einen1. Starting device for internal combustion engines with a drive bearing plate (11) and a drive shaft (14), wherein the drive shaft (14) in the drive bearing plate (11) by a roller bearing (13) is supported and the roller bearing (13) has a relative movement with rectilinear and rotating portions between the drive shaft (14) and the rolling bearing (13), characterized in that the rolling bearing (13) has a
Außenring (30) hat, der im Antriebslagerschild (11) festsitzt und der Außenring (30) einen Anschlag (33) aufweist, der ein Verschieben des Wälzlagers (13) aus dem Antriebslagerschild (11) heraus verhindert.Outer ring (30) which is stuck in the drive endshield (11) and the outer ring (30) has a stop (33) which prevents a displacement of the roller bearing (13) from the drive endshield (11) out.
2. Startvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass mehrere2. Starting device according to claim 1, characterized in that a plurality
Vorsprünge (36) am Umfang des Außenrings~(30) vorzugsweise gleichmäßig verteilt angeordnet sind.Projections (36) on the circumference of the outer ring ~ (30) are preferably arranged evenly distributed.
3. Startvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass ein Bund (34) am Umfang des Außenrings (30) angeordnet ist.3. Starting device according to claim 1, characterized in that a collar (34) is arranged on the circumference of the outer ring (30).
4. Startvorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Wälzlager (13) ein Zylinderrollenlager, vorzugsweise Nadellager mit einem blechernen Außenring (30) ist, dessen Vorsprung (36) oder Bund (34) einstückig angeformt ist 4. Starting device according to one of the preceding claims, characterized in that the rolling bearing (13) is a cylindrical roller bearing, preferably needle roller bearing with a tinny outer ring (30) whose projection (36) or collar (34) is integrally formed
PCT/EP2005/053005 2004-06-30 2005-06-27 Starting device WO2006003131A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2005800221126A CN1977107B (en) 2004-06-30 2005-06-27 Starting device
BRPI0512800-5A BRPI0512800B1 (en) 2004-06-30 2005-06-27 DEPARTURE DEVICE
EP05766810A EP1763633A1 (en) 2004-06-30 2005-06-27 Starting device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410032365 DE102004032365A1 (en) 2004-06-30 2004-06-30 starter
DE102004032365.8 2004-06-30

Publications (1)

Publication Number Publication Date
WO2006003131A1 true WO2006003131A1 (en) 2006-01-12

Family

ID=34972714

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/053005 WO2006003131A1 (en) 2004-06-30 2005-06-27 Starting device

Country Status (5)

Country Link
EP (1) EP1763633A1 (en)
CN (1) CN1977107B (en)
BR (1) BRPI0512800B1 (en)
DE (1) DE102004032365A1 (en)
WO (1) WO2006003131A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007046527B4 (en) * 2007-09-28 2012-04-12 Schaeffler Technologies Gmbh & Co. Kg storage unit
DE102010030727B4 (en) * 2010-06-30 2016-03-31 Robert Bosch Gmbh Starting device and method for producing a stop for a displaceable pinion of a starting device arranged on a shaft

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501210A (en) * 1968-05-21 1970-03-17 Schaeffler Ohg Industriewerk Shell-type roller bearing
FR2469609A1 (en) * 1979-11-15 1981-05-22 Nadella Positive location roller bearing - has locating lugs to prevent axial and radial movement of outer race
US4512673A (en) * 1983-09-01 1985-04-23 The Torrington Company Bearing cup with external restraining flange
DE19726726A1 (en) * 1997-03-07 1998-09-17 Bosch Gmbh Robert Freely-ejecting starter for IC engines in motor vehicles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501210A (en) * 1968-05-21 1970-03-17 Schaeffler Ohg Industriewerk Shell-type roller bearing
FR2469609A1 (en) * 1979-11-15 1981-05-22 Nadella Positive location roller bearing - has locating lugs to prevent axial and radial movement of outer race
US4512673A (en) * 1983-09-01 1985-04-23 The Torrington Company Bearing cup with external restraining flange
DE19726726A1 (en) * 1997-03-07 1998-09-17 Bosch Gmbh Robert Freely-ejecting starter for IC engines in motor vehicles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1763633A1 *

Also Published As

Publication number Publication date
EP1763633A1 (en) 2007-03-21
CN1977107A (en) 2007-06-06
CN1977107B (en) 2012-09-26
BRPI0512800B1 (en) 2017-12-26
DE102004032365A1 (en) 2006-01-26
BRPI0512800A (en) 2008-04-08

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