DE102007003456A1 - Power steering i.e. electrical servo steering mechanism for vehicle, has frame for servo motor, where servo motor is fixed at frame with help of clamping element arranged between frame and servo motor - Google Patents
Power steering i.e. electrical servo steering mechanism for vehicle, has frame for servo motor, where servo motor is fixed at frame with help of clamping element arranged between frame and servo motor Download PDFInfo
- Publication number
- DE102007003456A1 DE102007003456A1 DE102007003456A DE102007003456A DE102007003456A1 DE 102007003456 A1 DE102007003456 A1 DE 102007003456A1 DE 102007003456 A DE102007003456 A DE 102007003456A DE 102007003456 A DE102007003456 A DE 102007003456A DE 102007003456 A1 DE102007003456 A1 DE 102007003456A1
- Authority
- DE
- Germany
- Prior art keywords
- frame
- power steering
- servo motor
- servomotor
- steering system
- 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- Withdrawn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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0403—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
Description
Die Erfindung betrifft eine Servolenkung für ein Fahrzeug, insbesondere eine elektrische Hilfskraftlenkung für ein Fahrzeug, nach dem Oberbegriff des Anspruchs 1.The The invention relates to a power steering system for a vehicle, in particular an electric power steering system for a Vehicle according to the preamble of claim 1.
Die
Es sind Servolenkungen bekannt, bei denen die radiale und axiale Abstützung des Servomotors im Lenkgetriebegehäuse oder einem anderen Gestell durch radiale und/oder stirnseitige Pressung oder Klemmurig des Servomotors mittels seines Gehäuses oder stirnseitiger Deckel erfolgt.It are known power steering systems, in which the radial and axial support of the servomotor in the steering box or another Frame by radial and / or frontal pressing or Klemmurig of the servomotor by means of its housing or frontal Lid is done.
Bei der Abstützung des Servomotors nur durch Pressung ist die Auslegung der Presspassung unter Berücksichtigung der unterschiedlichen Wärmeausdehnungskoeffizienten für eine unter allen Betriebsbedingungen sichere radiale und axiale Abstützung des Servomotors sehr schwierig. Es können sich dabei unzulässig hohe Flächenpressungen zwischen Gehäuseteilen des Servomotors und dessen Komponenten ergeben.at the support of the servomotor only by pressing is the Design of the interference fit taking into account the different Thermal expansion coefficient for one among all Operating conditions safe radial and axial support the servomotor very difficult. It may be inadmissible high surface pressure between housing parts of the servomotor and its components.
Andere Befestigungslösungen von Servomotoren an einem Gestell sind aufwändig.Other Fastening solutions of servomotors to a frame are expensive.
Der Erfindung liegt die Aufgabe zugrunde, eine Servolenkung für ein Fahrzeug anzugeben, die eine zuverlässige radiale und axiale Abstützung des Servomotors im Gestell ermöglicht.Of the Invention is based on the object, a power steering for specify a vehicle that has a reliable radial and allows axial support of the servo motor in the frame.
Die Aufgabe wird mit einer Servolenkung mit den Merkmalen des Anspruchs 1 gelöst.The Task is with a power steering with the features of the claim 1 solved.
Dadurch dass der Servomotor mit zumindest einem Spannelement zwischen dem Gestell und dem Servomotor an dem Gestell festgelegt ist, ist eine konstruktive Möglichkeit geschaffen, eine schnelle, kostensparende Montage des Servomotors vorzunehmen und eine Verbindung zwischen dem Servomotor und dem Gestell darzustellen, die eine feste und sichere und thermische Materialdehnungen berücksichtigende Verbindung zwischen dem Servomotor und dem Gestell ist. Die Anwendung eines Spannelements kann axiale und radiale Kräfte aufnehmen.Thereby that the servomotor with at least one tensioning element between the Frame and the servo motor is fixed to the frame is a constructive Possibility created a fast, cost-saving installation make the servomotor and a connection between the servo motor and to show the frame a solid and safe and thermal Material expansion considering connection between the servomotor and the frame. The application of a clamping element can absorb axial and radial forces.
Bevorzugte Ausführungen ergeben sich aus den Unteransprüchen.preferred Designs emerge from the dependent claims.
Das Spannelement hat bevorzugt eine zylindrische Gestalt und ist um den Umfang des Servomotors gelegt, in der Weise, dass es sowohl axiale, als auch radiale Lasten vom/auf den Servomotor ableiten kann. Es ist zweckmäßig, als Spannelement einen Toleranzring mit gewelltem Querschnitt oder eine Druckhülse mit einem gewellten Längsschnitt zu wählen und in einer Umfangsnut des Servomotors axial unverschieblich einzulegen. Druckhülsen sind zylindrische Spannelemente und können aus federhartem Sonderstahl gebildet sein. Sie weisen äußere und innere trapezförmige Ausnehmungen und damit einen gewellten Längsschnitt auf, der sie elastisch macht.The Clamping element preferably has a cylindrical shape and is in order put the circumference of the servomotor, in such a way that it both derive axial as well as radial loads from / to the servo motor can. It is useful as a clamping element Tolerance ring with corrugated cross-section or a pressure sleeve with a wavy longitudinal section to choose and to insert axially immovable in a circumferential groove of the servo motor. Compression sleeves are cylindrical clamping elements and can made of spring-hardened special steel. They have outer and inner trapezoidal recesses and thus a corrugated Longitudinal section, which makes them elastic.
Toleranzringe sind in der Regel aus gewelltem Federstahl und werden häufig in eine Umfangsaussparung der zu verbindenden Teile eingelegt und die Teile ineinander gedrückt. Damit entsteht eine Pressverbindung. Toleranzringe dienen außer zur Drehmomentübertragung auch zum Ausgleich von Wärmedehnungen, Fertigungstoleranzen und Fluchtungsfehlern.tolerance rings are usually made of corrugated spring steel and are common placed in a circumferential recess of the parts to be joined and the Parts pressed together. This creates a press connection. Tolerance rings are used except for torque transmission also to compensate for thermal expansion, manufacturing tolerances and misalignments.
Die Umfangsnut, in die die Toleranzringe gelegt werden können, kann auch in einem Gehäuse des Servomotors angeordnet sein, oder falls dieser beispielsweise ein elektrischer Servomotor ist, auch in einem Stator des elektrischen Servomotors angeordnet sein. Das Spannelement kann auch in einer Umfangsnut des Gestells angeordnet sein. Es kann zweckmäßig sein, zwei Spannelemente vorzusehen, die mit axialem Abstand an dem Umfang des Servomotors angeordnet sind und den Servomotor in dem Gestell festlegen.The Circumferential groove into which the tolerance rings can be placed can also be arranged in a housing of the servomotor, or if this is, for example, an electric servomotor, be arranged in a stator of the electric servo motor. The clamping element can also be arranged in a circumferential groove of the frame be. It may be appropriate, two clamping elements provide, with axial distance at the circumference of the servomotor are arranged and set the servo motor in the frame.
Die Spannelemente können auch mit einem Hilfswerkzeug in dem Spalt zwischen dem Servomotor und dem Gestell gefügt sein, wodurch die Stirnflächen der Nuten entfallen können. Der Servomotor wird bevorzugt unter elastischer Verformung des Spannelements in dem Gestell festgelegt. Das Gestell kann ein Lenkgetriebegehause der Servolenkung sein.The Clamping elements can also be used with an auxiliary tool in the Gap between the servomotor and the frame be joined, whereby the end faces of the grooves can be omitted. The servo motor is preferably under elastic deformation of the clamping element set in the frame. The frame can be a steering gear housing be the power steering.
Die Erfindung wird nun näher anhand von Ausführungsbeispielen beschrieben und anhand der beiliegenden Zeichnungen wiedergegeben.The Invention will now be described in detail with reference to embodiments described and reproduced with reference to the accompanying drawings.
In
- 11
- ServolenkungPower steering
- 22
- Gestellframe
- 33
- Servomotorservomotor
- 4, 4'4, 4 '
- Spannelementclamping element
- 55
- Toleranzringtolerance ring
- 66
- Druckhülsepressure sleeve
- 77
-
Umfangsnut,
in
8 Circumferential groove, in8th - 88th
- Gehäusecasing
- 99
- Statorstator
- 1010
-
Umfangsnut,
in
2 Circumferential groove, in2 - 1111
- LenkgetriebegehäuseSteering gear housing
- 1212
- Gehäusedeckelhousing cover
- aa
-
Abstand,
v.
4 Distance, v.4
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 10392534 T5 [0002] - DE 10392534 T5 [0002]
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007003456A DE102007003456A1 (en) | 2007-01-24 | 2007-01-24 | Power steering i.e. electrical servo steering mechanism for vehicle, has frame for servo motor, where servo motor is fixed at frame with help of clamping element arranged between frame and servo motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007003456A DE102007003456A1 (en) | 2007-01-24 | 2007-01-24 | Power steering i.e. electrical servo steering mechanism for vehicle, has frame for servo motor, where servo motor is fixed at frame with help of clamping element arranged between frame and servo motor |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007003456A1 true DE102007003456A1 (en) | 2008-08-07 |
Family
ID=39587073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007003456A Withdrawn DE102007003456A1 (en) | 2007-01-24 | 2007-01-24 | Power steering i.e. electrical servo steering mechanism for vehicle, has frame for servo motor, where servo motor is fixed at frame with help of clamping element arranged between frame and servo motor |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102007003456A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016162633A1 (en) * | 2015-04-08 | 2016-10-13 | Jtekt Europe | Use of a stepped, shrink-fit ring in order to assemble a motor for power steering in a steering housing |
WO2016189244A1 (en) * | 2015-05-27 | 2016-12-01 | Valeo Equipements Electriques Moteur | Rotating electrical machine comprising a cradle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19831739A1 (en) * | 1998-07-15 | 2000-01-20 | Mannesmann Vdo Ag | Worm gear with an electric motor |
DE10249120A1 (en) * | 2002-10-22 | 2004-05-06 | Zf Lenksysteme Gmbh | Rack and pinion power steering for vehicles |
DE10392534T5 (en) | 2002-04-12 | 2005-07-14 | Trw Automotive U.S. Llc, Sterling Heights | Electric power steering assembly |
-
2007
- 2007-01-24 DE DE102007003456A patent/DE102007003456A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19831739A1 (en) * | 1998-07-15 | 2000-01-20 | Mannesmann Vdo Ag | Worm gear with an electric motor |
DE10392534T5 (en) | 2002-04-12 | 2005-07-14 | Trw Automotive U.S. Llc, Sterling Heights | Electric power steering assembly |
DE10249120A1 (en) * | 2002-10-22 | 2004-05-06 | Zf Lenksysteme Gmbh | Rack and pinion power steering for vehicles |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016162633A1 (en) * | 2015-04-08 | 2016-10-13 | Jtekt Europe | Use of a stepped, shrink-fit ring in order to assemble a motor for power steering in a steering housing |
FR3034694A1 (en) * | 2015-04-08 | 2016-10-14 | Jtekt Europe Sas | USING A RUNNING BEARING RING TO ASSEMBLE A STEERING ASSISTANCE MOTOR IN A STEERING HOUSING |
CN107438937A (en) * | 2015-04-08 | 2017-12-05 | 捷太格特欧洲公司 | For stepwise constriction of the steering assistance motor assembling in housing is turned to be matched somebody with somebody to the use of cyclization |
US10589776B2 (en) | 2015-04-08 | 2020-03-17 | Jtekt Europe | Use of a stepped shrink-fit ring to assemble a steering assist motor in a steering case |
CN107438937B (en) * | 2015-04-08 | 2021-01-26 | 捷太格特欧洲公司 | Assembly method allowing fastening of a first part to a second part |
WO2016189244A1 (en) * | 2015-05-27 | 2016-12-01 | Valeo Equipements Electriques Moteur | Rotating electrical machine comprising a cradle |
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Legal Events
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
OP8 | Request for examination as to paragraph 44 patent law | ||
8139 | Disposal/non-payment of the annual fee |