DE202005008274U1 - Mass-produced planetary gear, for vehicle mirror adjustment mechanisms, uses injection molded or sintered plastics cogwheels with tooth flanks converging and diverging in the same direction around their center lines - Google Patents
Mass-produced planetary gear, for vehicle mirror adjustment mechanisms, uses injection molded or sintered plastics cogwheels with tooth flanks converging and diverging in the same direction around their center lines Download PDFInfo
- Publication number
- DE202005008274U1 DE202005008274U1 DE200520008274 DE202005008274U DE202005008274U1 DE 202005008274 U1 DE202005008274 U1 DE 202005008274U1 DE 200520008274 DE200520008274 DE 200520008274 DE 202005008274 U DE202005008274 U DE 202005008274U DE 202005008274 U1 DE202005008274 U1 DE 202005008274U1
- Authority
- DE
- Germany
- Prior art keywords
- gear
- teeth
- tooth
- gears
- transmission according
- 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.)
- Expired - Lifetime
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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
-
- 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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
- F16H1/2836—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels by allowing limited movement of the planets relative to the planet carrier or by using free floating planets
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- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- 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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H2001/2881—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two axially spaced central gears, i.e. ring or sun gear, engaged by at least one common orbital gear wherein one of the central gears is forming the output
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- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
- F16H2055/065—Moulded gears, e.g. inserts therefor
-
- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
- F16H55/0886—Profiling with corrections along the width, e.g. flank width crowning for better load distribution
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Gears, Cams (AREA)
Abstract
Description
Die Erfindung betrifft ein in Massenproduktion zusammengebautes Planetengetriebe mit geformten Zahnrädern.The The invention relates to a mass-produced planetary gear with molded gears.
Zum Realisieren kostengünstiger Antriebe für geringe Beanspruchung werden bei der Massenproduktion üblicherweise Getriebe mit geformten zylindrischen Zahnrädern, z.B. Zahnräder aus spritzgegossenem Kunststoff oder Sintermetall, verwendet, die mittels eines Niederspannungsgleichstromelektromotors angetrieben werden. Ein Beispiel für ein derartiges Getriebe ist eine Reduktionsstufe in einem Antrieb für einen Spiegeleinstellmechanismus für ein Kraftfahrzeug, der üblicherweise in Stückzahlen von mehreren Hunderttausend oder Millionen pro Jahr hergestellt wird.To the Realize more cost effective Drives for Low stress is common in mass production Gearboxes with molded cylindrical gears, e.g. Gears out injection-molded plastic or sintered metal, used by means of a low voltage DC electric motor to be driven. An example for Such a transmission is a reduction stage in a drive for one Mirror adjustment mechanism for a motor vehicle, usually in units produced by several hundred thousand or millions per year becomes.
Ein Vorteil dieser zylindrischen Zahnräder besteht darin, dass sie kostengünstig in Massenproduktion mittels Formtechniken mit angemessen guter Maßtoleranz hergestellt werden können, wobei sie auch angemessen gute Laufeigenschaften haben.One Advantage of these cylindrical gears is that they economical in mass production by means of molding techniques with reasonably good dimensional tolerance can be produced where they also have reasonably good running characteristics.
Um Spiel und Geräusche in dem Antrieb zu verhindern, müssen die Zahnräder mit relativ engen Maßtoleranzen zu Getrieben zusammengesetzt werden.Around Game and sounds in the drive to prevent the gears with relatively narrow dimensional tolerances assembled to gears.
Üblicherweise wird beim Zusammenbauen eines Getriebes mit geformten Zahnrädern ein erstes zylindrisches Zahnrad entlang der Mittellinie seiner Verzahnung in einer Richtung bewegt, die im wesentlichen parallel zur Mittellinie der Verzahnung eines zweiten zylindrischen, bereits montierten Zahnrads ist, bis die Zahnflanken der Verzahnungen des ersten und des zweiten Zahnrads durch das Zusammengreifen eines oder mehrerer Zähne zusammenwirken können.Usually is used when assembling a gear with molded gears first cylindrical gear along the center line of its teeth moving in a direction that is substantially parallel to the centerline is the toothing of a second cylindrical, already mounted gear, until the tooth flanks of the teeth of the first and the second Gear can cooperate by the engagement of one or more teeth.
Bei der Montage des Getriebes auf diese Weise kann häufig eine Beschädigung der relativ schwachen Zähne des geformten Zahnrads auftreten. Dies tritt insbesondere dann auf, wenn die Zahnräder relativ zueinander mit relativ genauen Maßtoleranzen montiert werden müssen und/oder wenn das zweite Zahnrad zwischen zwei bereits montierten ersten Zahnrädern angeordnet werden muß. Infolgedessen kann bei der Montage der oben erwähnten Reduktionsstufe ein Ausfallprozentsatz von nicht weniger als 5% auftreten. Insbesondere bei komplexen Getrieben mit mehreren Zahnrädern, wie Planetengetrieben, stellt dies ein großes Problem dar, da es schwierig ist, festzustellen, ob eine Beschädigung aufgetreten ist.at Mounting the gearbox in this way can often damage the relatively weak teeth of the molded gear occur. This happens especially if the gears be mounted relative to each other with relatively accurate dimensional tolerances have to and / or if the second gear is between two already mounted first gears must be arranged. As a result, in the assembly of the above-mentioned reduction stage, a failure percentage of not less than 5%. Especially with complex gearboxes with several gears, Like planetary gears, this poses a big problem as it is difficult is to determine if a corruption has occurred.
In
GB 273 304,
Der Erfindung liegt die Aufgabe zugrunde, ein Getriebe in der oben beschriebenen Form zu schaffen, bei dem die oben erwähnten Nachteile vermieden werden können, während die oben erwähnten Vorteile beibehalten werden.Of the Invention is based on the object, a transmission in the above-described To create a form in which the above-mentioned disadvantages are avoided can, while the ones mentioned above Advantages to be maintained.
Zur Lösung dieser Aufgabe sieht die Erfindung ein Getriebe mit den Merkmalen von Anspruch 1 vor.to solution this object, the invention provides a transmission with the features of claim 1 above.
Die Zähne der Verzahnung des ersten zylindrischen Zahnrads weisen Zahnflanken auf, die in Montagerichtung konvergieren, während die Zähne der Verzahnung des zweiten zylindrischen Zahnrads mit Zahnflanken versehen sind, die in Montagerichtung divergieren. Die divergierenden Zahnflanken zweier benachbarter zylindrischer Zähne des zweiten Zahnrads begrenzen einen in Montagerichtung konvergierenden Zwischenraum, in dem die konvergierenden Flanken eines Zahns des ersten Zahnrads aufgenommen sind.The Teeth of the Teeth of the first cylindrical gear have tooth flanks on, which converge in the mounting direction, while the teeth of the gearing of the second cylindrical gear are provided with tooth flanks, in the mounting direction diverge. The divergent tooth flanks of two adjacent cylindrical teeth of the second gear limit a converging in the mounting direction Interspace in which the converging flanks of a tooth of the tooth first gear are added.
Bei der Montage des Getriebes in Massenproduktion wird das erste zylindrische Zahnrad entlang der Mittellinie seiner Verzahnung in einer Montagerichtung bewegt, die im wesentlichen parallel zur Mittellinie der Verzahnung des zweiten zylindrischen, bereits montierten Zahnrads ist, bis die Zahnflanken der Zähne der Verzahnungen durch Eingriff zusammenwirken können. Während der Bewegung in Montagerichtung verringert sich das Spiel zwischen den Zähnen, die miteinander in Eingriff gelangen. Da dieselbe Bewegung, die zum Eingriff führt, das Spiel verringert, kann eine Minimierung des Risikos der Beschädigung der Zähne während der Montage erzielt werden.at the assembly of the transmission in mass production becomes the first cylindrical Gear along the center line of its teeth in a mounting direction moves, which are essentially parallel to the center line of the toothing of the second cylindrical, already mounted gear is until the tooth flanks of the teeth the gears can interact by engagement. During movement in mounting direction The play between the teeth, which mesh with each other, decreases reach. Because the same movement that leads to the intervention, the Reducing game play can minimize the risk of damage to the game Teeth during the Assembly can be achieved.
Die Zahnflanken der Zähne des ersten Zahnrads sind in Montagerichtung auf vorteilhafte Weise zueinander hin geneigt, während die Zahnflanken der Zähne des zweiten Zahnrads sich voneinander weg erstrecken. Vorzugsweise bilden die Flanken jeweils einen Winkel von ungefähr 2–3°, insbesondere 2,5°, mit der die Montagerichtung bestimmenden Mittellinie der Verzahnung.The Tooth flanks of the teeth of the first gear are in the mounting direction to each other in an advantageous manner tilted down while the tooth flanks of the teeth of the second gear extend away from each other. Preferably the flanks each form an angle of approximately 2-3 °, in particular 2,5 °, with the mounting direction determining center line of the toothing.
In diesem Zusammenhang sei angemerkt, dass unter einem Zahnrad eine Basis mit einer Verzahnung zu verstehen ist, die gleichmäßig entlang eines Zylindergehäuses verteilt ist, z.B. ein Zahnrad mit einer inneren oder äußeren Evolventenverzahnung gemäß DIN 876.In In this context, it should be noted that under a gear a Base is to be understood with a toothing that is evenly along a cylinder housing is distributed, e.g. a gear with an inner or outer involute according to DIN 876.
Weitere vorteilhafte Ausführungsbeispiele der Erfindung sind in den Ansprüchen gezeigt.Further advantageous embodiments of the invention are shown in the claims.
Im folgenden wird die Erfindung mit Bezug auf ein in einer Zeichnung gezeigtes Ausführungsbeispiel näher beschrieben. Es zeigen:in the Following is the invention with reference to a in a drawing shown embodiment described in more detail. Show it:
Die Figuren sind lediglich eine schematische Darstellung eines Ausführungsbeispielsder Erfindung, das nicht als Einschränkung zu verstehen ist. In den Figuren sind gleiche oder entsprechende Teile mit denselben Bezugszeichen versehen.The Figures are merely a schematic representation of one embodiment of the invention Invention not as a limitation to understand. In the figures are the same or corresponding Parts provided with the same reference numerals.
Das
Planetenradsystem
Das
Planetenradsystem
An
dem Antriebszahnring
Der
Reibzahnring
Die
Zähne
Die
Zahnflanken
Beim
Zusammenbauen des Planetenradsystems
In
einem folgenden Montageschritt wird der Antriebszahnring
Das
Planetenradsystem
Für den Fachmann auf dem Gebiet versteht es sich, dass die Erfindung nicht auf das oben beschriebene Ausführungsbeispiel beschränkt ist, sondern dass im Rahmen der Erfindung, wie er durch die folgenden Ansprüche festgelegt ist, viele Variationen möglich sind.For the expert It is understood in the art that the invention is not limited to the Embodiment described above limited but that is within the scope of the invention, as by the following claims is fixed, many variations are possible.
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1026324A NL1026324C2 (en) | 2004-06-03 | 2004-06-03 | Method for assembling a gear transmission, as well as gear transmission. |
NL1026324 | 2004-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE202005008274U1 true DE202005008274U1 (en) | 2005-10-20 |
Family
ID=34973983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200520008274 Expired - Lifetime DE202005008274U1 (en) | 2004-06-03 | 2005-05-27 | Mass-produced planetary gear, for vehicle mirror adjustment mechanisms, uses injection molded or sintered plastics cogwheels with tooth flanks converging and diverging in the same direction around their center lines |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN2842083Y (en) |
DE (1) | DE202005008274U1 (en) |
NL (1) | NL1026324C2 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2901591A1 (en) * | 2006-05-24 | 2007-11-30 | Valeo Embrayages | DEVICE FOR REDUCING THE IMBRITIC EPICYCLOIDAL TRAIN TYPE |
NL2002145C (en) * | 2008-10-28 | 2010-04-29 | Mci Mirror Controls Int Nl Bv | Drive unit for mirror adjustment mechanism. |
WO2011127919A1 (en) * | 2010-04-14 | 2011-10-20 | Zf Lenksysteme Gmbh | Worm gear train |
DE102011076944A1 (en) * | 2011-06-06 | 2012-12-06 | Zf Friedrichshafen Ag | Eccentric cam gear box used in device for adjustment of compression ratio of lifting cylinder combustion engine, has inner gears and outer gear portions that are formed such that opening angle of gears is pointed to each other |
US20150251698A1 (en) * | 2014-03-06 | 2015-09-10 | Takata AG | Steering Angle Sensor |
WO2021176304A1 (en) * | 2020-03-03 | 2021-09-10 | Genesis Advanced Technology Inc. | Helical gear and method of manufacturing the same |
JP2021532320A (en) * | 2018-08-01 | 2021-11-25 | ジェネシス アドバンスド テクノロジー インコーポレイテッド | Roller box with gear |
JP2022543169A (en) * | 2019-08-19 | 2022-10-07 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Brake pressure generator that can be driven electromechanically |
DE102008046166B4 (en) | 2008-09-06 | 2022-11-10 | Bayerische Motoren Werke Aktiengesellschaft | Backlash tool |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3721064A1 (en) * | 1987-06-26 | 1989-01-05 | Wittenstein Manfred | GAME-FREE PLANETARY GEARBOX |
DE19712516C2 (en) * | 1997-03-25 | 2000-05-18 | C H Schaefer Getriebe Gmbh | Planetary gear |
DE19756967A1 (en) * | 1997-12-20 | 1999-06-24 | Zahnradfabrik Friedrichshafen | Planetary gear with fixed and rotary hollow wheels |
GB2373304A (en) * | 2001-02-20 | 2002-09-18 | Bryan Nigel Victor Parsons | Tapered involute gear profile |
DE10110644A1 (en) * | 2001-03-06 | 2002-09-19 | Alpha Getriebebau Gmbh | Planetary transmission for high transmission ratio has planetary gears in non-positive contact with counter-running gears |
-
2004
- 2004-06-03 NL NL1026324A patent/NL1026324C2/en not_active IP Right Cessation
-
2005
- 2005-05-27 DE DE200520008274 patent/DE202005008274U1/en not_active Expired - Lifetime
- 2005-06-02 CN CNU2005200177614U patent/CN2842083Y/en not_active Expired - Lifetime
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2901591A1 (en) * | 2006-05-24 | 2007-11-30 | Valeo Embrayages | DEVICE FOR REDUCING THE IMBRITIC EPICYCLOIDAL TRAIN TYPE |
DE102008046166B4 (en) | 2008-09-06 | 2022-11-10 | Bayerische Motoren Werke Aktiengesellschaft | Backlash tool |
NL2002145C (en) * | 2008-10-28 | 2010-04-29 | Mci Mirror Controls Int Nl Bv | Drive unit for mirror adjustment mechanism. |
WO2010050809A1 (en) * | 2008-10-28 | 2010-05-06 | Mci (Mirror Controls International) Netherlands B.V. | Drive unit for mirror adjustment mechanism |
US8616713B2 (en) | 2008-10-28 | 2013-12-31 | Mci (Mirror Controls International) Netherlands B.V. | Drive unit for mirror adjustment mechanism |
WO2011127919A1 (en) * | 2010-04-14 | 2011-10-20 | Zf Lenksysteme Gmbh | Worm gear train |
DE102011076944A1 (en) * | 2011-06-06 | 2012-12-06 | Zf Friedrichshafen Ag | Eccentric cam gear box used in device for adjustment of compression ratio of lifting cylinder combustion engine, has inner gears and outer gear portions that are formed such that opening angle of gears is pointed to each other |
US20150251698A1 (en) * | 2014-03-06 | 2015-09-10 | Takata AG | Steering Angle Sensor |
US9682724B2 (en) | 2014-03-06 | 2017-06-20 | Takata AG | Steering angle sensor |
JP2021532320A (en) * | 2018-08-01 | 2021-11-25 | ジェネシス アドバンスド テクノロジー インコーポレイテッド | Roller box with gear |
EP3830446A4 (en) * | 2018-08-01 | 2022-02-23 | Genesis Advanced Technology Inc. | Geared rollerbox |
JP2022543169A (en) * | 2019-08-19 | 2022-10-07 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Brake pressure generator that can be driven electromechanically |
JP7373647B2 (en) | 2019-08-19 | 2023-11-02 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Electromechanically driveable brake pressure generator |
US12000390B2 (en) | 2019-08-19 | 2024-06-04 | Robert Bosch Gmbh | Electromechanically drivable brake pressure generator |
WO2021176304A1 (en) * | 2020-03-03 | 2021-09-10 | Genesis Advanced Technology Inc. | Helical gear and method of manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
CN2842083Y (en) | 2006-11-29 |
NL1026324C2 (en) | 2005-12-06 |
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Legal Events
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R207 | Utility model specification |
Effective date: 20051124 |
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