DE102007013521A1 - Motor vehicle seat's backrest adjusting device, has gear unit with shifted gear for transferring torque from electric motor to axis of rotation of seat element, where gear unit is formed as worm gear with screw - Google Patents
Motor vehicle seat's backrest adjusting device, has gear unit with shifted gear for transferring torque from electric motor to axis of rotation of seat element, where gear unit is formed as worm gear with screw Download PDFInfo
- Publication number
- DE102007013521A1 DE102007013521A1 DE102007013521A DE102007013521A DE102007013521A1 DE 102007013521 A1 DE102007013521 A1 DE 102007013521A1 DE 102007013521 A DE102007013521 A DE 102007013521A DE 102007013521 A DE102007013521 A DE 102007013521A DE 102007013521 A1 DE102007013521 A1 DE 102007013521A1
- Authority
- DE
- Germany
- Prior art keywords
- seat
- gear
- electric motor
- adjustment device
- gear unit
- 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- Withdrawn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
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 241000237858 Gastropoda Species 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 210000001520 comb Anatomy 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/2231—Worm and worm gear articulations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
- B60N2/02258—Electric motors therefor characterised by the mounting of the electric motor for adjusting the seat
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Gear Transmission (AREA)
Abstract
Description
Stand der TechnikState of the art
Die Erfindung geht aus von einer Sitzverstellvorrichtung zum Verstellen von Sitzteilen mittels eines Elektromotors und einer Getriebeeinheit nach der Gattung des unabhängigen Anspruchs.The The invention is based on a seat adjustment device for adjusting of seat parts by means of an electric motor and a transmission unit according to the preamble of the independent claim.
Mit
der
Des Weiteren sind andere Sitzverstellantriebe bekannt, bei denen beispielsweise als zweite Getriebestufe ein Stirnradgetriebe verwendet wird. Auch eine solche Getriebeeinheit weist eine große axiale Bauhöhe auf, die für eine Montage an der Außenseite einer Rückenlehne ungeeignet ist.Of Further, other Sitzverstellantriebe are known in which, for example as a second gear stage a spur gear is used. Also one Such gear unit has a large axial height on top of that for mounting on the outside of a Backrest is unsuitable.
Offenbarung der ErfindungDisclosure of the invention
Vorteile der ErfindungAdvantages of the invention
Die erfindungsgemäße Sitzverstellvorrichtung mit den Merkmalen des unabhängigen Anspruchs hat demgegenüber den Vorteil, dass aufgrund der einstufigen Ausbildung der Getriebeeinheit die Sitzverstellvorrichtung sehr flach baut und daher vorteilhaft an der Außenseite einer Rücklehne eines Kraftfahrzeugsitzes angeordnet werden kann. Eine solche elektromotorische Sitzverstellvorrichtung mit nur einer einzigen Getriebestufe beansprucht kaum mehr Bauraum, als ein gewöhnliches Handrad einer manuellen Rückenlehnenverstellung.The Seat adjustment device according to the invention with the Features of the independent claim has in contrast the advantage that due to the single-stage design of the transmission unit the Sitzverstellvorrichtung very flat and therefore advantageous the outside of a backrest of a motor vehicle seat can be arranged. Such an electromotive seat adjustment with only a single gear stage takes up little space, as an ordinary handwheel of a manual backrest adjustment.
Durch die in den abhängigen Ansprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im unabhängigen Anspruch angegebenen Sitzverstellvorrichtungen möglich. Zweckmäßigerweise ist die genau eine Getriebestufe der Sitzverstellvorrichtung als Schneckengetriebe ausgebildet. Die Ankerwelle des Elektromotors kämmt dabei über eine Schnecke mit einem Schneckenrad, das verglichen mit mehrstufig ausgebildeten Sitzverstellgetrieben einen wesentlich größeren Durchmesser aufweist, der näherungsweise 80–100 mm erreichen kann.By those listed in the dependent claims Measures are advantageous developments and improvements the Sitzverstellvorrichtungen specified in the independent claim possible. Conveniently, that is exactly one gear stage the seat adjustment device designed as a worm gear. The Armature shaft of the electric motor combs over a worm with a worm wheel, which compared with multi-stage trained Sitzverstellgetrieben a much larger Diameter, which is approximately 80-100 mm can reach.
Um den Bauraum zu mininieren, ist die Kontur des Getriebegehäuses dem Schneckenrad angepasst, so dass das Getriebegehäuse eine im wesentlichen kreisförmige Grundfläche aufweist, an den sich ein Bauraum für die Schnecke anschließt.Around To minimize the space is the contour of the gear housing adapted to the worm wheel, leaving the gearbox a substantially circular base has, which is followed by a space for the screw.
Besonders vorteilhaft ist es, wenn das Schneckenrad eine zentrale Hohlwelle aufweist, die das Abtriebselement für eine korrespondierende Profilwelle bildet, die als Drehachse des zweiten Sitzelements ausgebildet ist.Especially It is advantageous if the worm wheel is a central hollow shaft having the output member for a corresponding Profile shaft forms, which is formed as a rotation axis of the second seat member is.
Besonders günstig ist es, das Schneckenrad mit den axialen Fortsätzen der Hohlwelle direkt in den quer zur Hohlwelle angeordneten Seitenwänden des Getriebegehäuses zu lagern.Especially It is favorable, the worm wheel with the axial extensions the hollow shaft directly into the transverse to the hollow shaft side walls store the gearbox.
Dabei ist beispielsweise in der Bodenfläche und im Deckel des Getriebegehäuses eine nabenförmige Öffnung ausgebildet, in der die Hohlwelle des Schneckenrads drehbar aufgenommen ist. Die Hohlwelle ist vorzugsweise mit einer durchgängigen zentralen Durchgangsöffnung ausgebildet, in die die entsprechende Profilwelle des zweiten Sitzelements einschiebbar ist.there is for example in the bottom surface and in the lid of the Transmission housing a hub-shaped opening formed, in which the hollow shaft of the worm wheel rotatably received is. The hollow shaft is preferably with a continuous formed central passage opening into which the corresponding Profile shaft of the second seat element can be inserted.
Sowohl das Schneckenrad als auch das Getriebegehäuse werden kostengünstig mittels Kunststoff-Spritzgussverfahren hergestellt, wobei eine solche Materialkombination wählbar ist, dass die Hohlwelle direkt ohne Verwendung zusätzlicher Lagermittel in den nabenförmigen Öffnungen des Getriebegehäuses drehbar gelagert werden kann.Either the worm wheel and the gearbox become inexpensive produced by plastic injection molding, wherein such Material combination is selectable, that the hollow shaft directly without the use of additional storage means in the hub-shaped openings the gear housing can be rotatably mounted.
Um den Elektromotor möglichst flach bauend auszubilden, weist dieser als Erregermagnet einen ringförmigen Permanentmagneten auf, der aus seltenen Erden-Elementen, insbesondere aus Neobdym-Eisen-Bor-Material (NdFeB) hergestellt sind. Dadurch kann der Außendurchmesser des Polgehäuses und das Gewicht gegenüber der Verwendung gewöhnlicher Ferrit-Magnete entscheidend reduziert werden.Around to construct the electric motor as flat as possible, has this as an exciter magnet an annular permanent magnet on, of rare earth elements, in particular from Neobdym iron boron material (NdFeB) are made. This allows the outer diameter of the Polgehäuses and the weight opposite the Use of ordinary ferrite magnets can be decisively reduced.
Durch die Verwendung eines Schneckenrads mit einem sehr großen Durchmesser (verglichen mit einer 2-stufigen Getriebeeinheit) kann ein Elektromotor mit einer geringeren maximalen Drehzahl, beispielsweise 2.000 bis 3.000 Umdrehungen pro Minute verwendet werden. Dadurch wird das Betriebsgeräusch der Sitzverstellvorrichtung deutlich verringert, wodurch der Verstellkomfort gesteigert wird. Das Schneckenrad, das in etwa der Größe eines Handrads einer manuellen Sitzverstellung entspricht, bildet zusammen mit der Schnecke der Ankerwelle eine Übersetzung von etwa 80 bis 120, womit für die Rückenlehnenverstellung notwendig Anzugsmomente von ungefähr 25 Nm +/– 10 Nm erzielbar sind.By using a very large diameter worm wheel (compared to a 2-stage gear unit), an electric motor with a lower maximum speed, for example 2,000 to 3,000 revolutions per minute, can be used. As a result, the operating noise of the seat adjusting device is significantly reduced, whereby the adjustment comfort is increased. The worm wheel, which corresponds approximately to the size of a handwheel of a manual seat adjustment, forms together with the worm of the armature shaft, a translation of about 80 to 120, which for the Backrest adjustment necessary Tightening torques of approx. 25 Nm +/- 10 Nm can be achieved.
Die erfindungsgemäße Sitzverstellvorrichtung eignet sich vorzugsweise für die elektromotorische Verstellung einer Rückenlehne eines Kraftfahrzeugsitzes, weil der Elektromotor mit der einstufigen Getriebeeinheit an den Beschlag der Rückenlehne befestigt wird, wobei eine Profilwelle eines Beschlags eines zweiten Sitzelements – beispielsweise der Sitzfläche – in die Hohlwelle eingreift. Durch die besonders flache Bauweise der Sitzverstellvorrichtung kann diese besonders montagegünstig an der Außenseite des Beschlags der Rückenlehne angeordnet werden.The Seat adjustment device according to the invention is suitable preferably for the electromotive adjustment a backrest of a motor vehicle seat, because the electric motor attached to the fitting of the backrest with the single-stage gear unit is, with a profiled shaft of a fitting of a second seat element - for example the seat - engages in the hollow shaft. By the particularly flat design of the seat adjuster can this particularly easy to install on the outside of the Fittings of the backrest can be arranged.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen:One Embodiment of the invention is in the drawings shown and in the following description in more detail explained. Show it:
Eine
weitere Ausführungsform einer erfindungsgemäßen
Antriebseinheit
In
Es
sei angemerkt, dass hinsichtlich der in den Figuren und der Beschreibung
dargestellten Ausführungsbeispiele vielfältige
Kombinationsmöglichkeiten der einzelnen Merkmale untereinander möglich
sind. So kann beispielsweise die konkrete Ausbildung des Getriebegehäuses
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 10309083 A1 [0002] - DE 10309083 A1 [0002]
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007013521A DE102007013521A1 (en) | 2007-03-21 | 2007-03-21 | Motor vehicle seat's backrest adjusting device, has gear unit with shifted gear for transferring torque from electric motor to axis of rotation of seat element, where gear unit is formed as worm gear with screw |
JP2008070658A JP2008230600A (en) | 2007-03-21 | 2008-03-19 | Seat adjusting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007013521A DE102007013521A1 (en) | 2007-03-21 | 2007-03-21 | Motor vehicle seat's backrest adjusting device, has gear unit with shifted gear for transferring torque from electric motor to axis of rotation of seat element, where gear unit is formed as worm gear with screw |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007013521A1 true DE102007013521A1 (en) | 2008-09-25 |
Family
ID=39713018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007013521A Withdrawn DE102007013521A1 (en) | 2007-03-21 | 2007-03-21 | Motor vehicle seat's backrest adjusting device, has gear unit with shifted gear for transferring torque from electric motor to axis of rotation of seat element, where gear unit is formed as worm gear with screw |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2008230600A (en) |
DE (1) | DE102007013521A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013156593A1 (en) * | 2012-04-20 | 2013-10-24 | Johnson Controls Gmbh | Vehicle seat with a recliner |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108312910A (en) * | 2017-01-17 | 2018-07-24 | 广东肇庆爱龙威机电有限公司 | Transmission device for adjusting seat back angle and the vehicle including transmission device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10309083A1 (en) | 2003-03-03 | 2004-09-16 | Robert Bosch Gmbh | Device for adjusting seat parts |
-
2007
- 2007-03-21 DE DE102007013521A patent/DE102007013521A1/en not_active Withdrawn
-
2008
- 2008-03-19 JP JP2008070658A patent/JP2008230600A/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10309083A1 (en) | 2003-03-03 | 2004-09-16 | Robert Bosch Gmbh | Device for adjusting seat parts |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013156593A1 (en) * | 2012-04-20 | 2013-10-24 | Johnson Controls Gmbh | Vehicle seat with a recliner |
DE102012012201A1 (en) * | 2012-04-20 | 2013-10-24 | Johnson Controls Gmbh | Vehicle seat with a recliner |
US10137804B2 (en) | 2012-04-20 | 2018-11-27 | Johnson Controls Gmbh | Vehicle seat with a recliner |
Also Published As
Publication number | Publication date |
---|---|
JP2008230600A (en) | 2008-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R012 | Request for examination validly filed |
Effective date: 20140114 |
|
R084 | Declaration of willingness to licence | ||
R016 | Response to examination communication | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |