DE10252472A1 - Longitudinal strut arrangement for rear body of motor vehicles has lower longitudinal struts with outer side webs fastened to wheel housings - Google Patents

Longitudinal strut arrangement for rear body of motor vehicles has lower longitudinal struts with outer side webs fastened to wheel housings Download PDF

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Publication number
DE10252472A1
DE10252472A1 DE2002152472 DE10252472A DE10252472A1 DE 10252472 A1 DE10252472 A1 DE 10252472A1 DE 2002152472 DE2002152472 DE 2002152472 DE 10252472 A DE10252472 A DE 10252472A DE 10252472 A1 DE10252472 A1 DE 10252472A1
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Germany
Prior art keywords
outer side
wheel arch
motor vehicles
side member
arch
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Withdrawn
Application number
DE2002152472
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German (de)
Inventor
Peter Gast
Bernard Lohmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
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Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Priority to DE2002152472 priority Critical patent/DE10252472A1/en
Publication of DE10252472A1 publication Critical patent/DE10252472A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20—Floors or bottom sub-units
    • B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/087—Luggage compartments

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The arrangement has two lower longitudinal struts with open hollow profiles, offset relative to the longitudinal central vehicle axis, and fastened to a floor panel (4) so that the profiles are covered. An outer side web (5) of each strut (2) extends to each wheel housing (1) and is fastened to it. The side web has punched recesses (7) to create space for neighboring components.

Description

Die Erfindung betrifft eine Längsträgeranordnung-Hinten an Kraftfahrzeugen nach dem Oberbegriff des Anspruchs 1.The invention relates to a side member arrangement rear on motor vehicles according to the preamble of claim 1.

In der Praxis werden die Längsträger-Hinten aus den verschiedensten Gründen in einem bestimmten seitlichem Abstand zum Radhausgewölbe geführt und sind bekanntermaßen von unten gegen das Bodenblech der Kraftfahrzeugkarosserie angesetzt und mit diesem fest verbunden. Die Anbindung der Längsträger-Hinten an das Radhausgewölbe erfolgt dabei über besagtes Bodenblech.In practice, the rear side members are made various reasons guided at a certain lateral distance to the wheel arch and are known from below against the floor panel of the motor vehicle body and firmly connected to it. The connection of the side member rear to the wheel arch is done via said floor panel.

Aus dieser bekannten Anordnung resultieren Nachteile hinsichtlich der Festigkeit der Kraftfahrzeugkarosserie und deren Eigenfrequenz woraus im Ergebnis erhöhte Aufwendungen, wie zusätzliche Versteifungsmaßnahmen und/oder größere Blechdicken, resultieren.Disadvantages result from this known arrangement with regard to the strength of the motor vehicle body and its Natural frequency resulting in increased expenses, such as additional stiffening measures and / or larger sheet thicknesses, result.

Hier setzt die nachfolgend beschrieben Erfindung an.Here sets the described below Invention.

Aufgabe der Erfindung ist es, eine verbesserte Längsträgeranordnung-Hinten an Kraftfahrzeugen zu schaffen, die vorteilhaft dazu beiträgt, die Festigkeit der Kraftfahrzeugkarosserie an sich zu erhöhen und ferner deren Eigenfrequenz zu vermindern. Fernerhin soll diese verbesserte Längsträgeranordnung-Hinten einfach in der Herstellung und demgemäß kostengünstig sein.The object of the invention is a improved rear member arrangement to create motor vehicles, which advantageously contributes to the Strength of the motor vehicle body itself to increase and further reduce their natural frequency. Furthermore, this is said to be improved Longitudinal beam arrangement-rear easy to manufacture and therefore inexpensive.

Erfindungsgemäß wird die Aufgabe in Verbindung mit den Merkmalen im Oberbegriff des Anspruchs 1 dadurch gelöst, dass der äußere Seitensteg des jeweiligen unteren Längsträgers im Bereich des Radhausgewölbes bis an das Radhausgewölbe herangeführt und mit diesem fest verbunden ist.According to the invention, the task is related solved with the features in the preamble of claim 1 in that the outer side bridge of the respective lower side member in Area of the wheel arch up to the wheel arch and is firmly connected to it.

In erfinderischer Fortbildung ist der äußere Seitensteg des unteren Längsträgers mit Einprägungen zur Freigabe von Bauraum für benachbarte Bauteile versehen.In inventive training the outer side bridge of the lower side member with indentations to release space for Provide adjacent components.

Die vorgeschlagene Anordnung hat im Hinblick auf herkömmliche den wesentlichen Vorteil, dass trotz Beibehaltung der generellen Lage des Längsträgers-Hinten im Trägerverbund der Bodengruppe, d. h., der gewählten Beabstandung desselben zum Radhausgewölbe, durch die direkte Anbindung des äußeren Seitensteges des Längsträgers-Hinten an das Radhausgewölbe die Kraftfahrzeugkarosserie maßgeblich versteift und demgemäß die Eigenfrequenz derselben herabgesetzt werden konnte.The proposed arrangement has with regard to conventional the main advantage that despite maintaining the general Position of the side member rear in the carrier network the bottom group, d. that is, the chosen one Distance from the same to the wheel arch thanks to the direct connection of the outer side bridge of the side member rear to the wheel arch the motor vehicle body significantly stiffened and accordingly the natural frequency the same could be reduced.

Die Erfindung wird nachstehend anhand eines schematisch dargestellten Ausführungsbeispieles näher erläutert. Es zeigen:The invention is illustrated below of a schematically illustrated embodiment. It demonstrate:

1 eine herkömmliche Längsträgeranordnung-Hinten, 1 a conventional rear side member arrangement,

2 die erfindungsgemäße Längsträgeranordnung-Hinten. 2 the longitudinal beam arrangement rear according to the invention.

1 zeigt schematisch den Schnitt durch die Bodengruppe des Hinterwagens eines Kraftfahrzeugs quer zur Fahrzeuglängsachse im Bereich eines Radhausgewölbes 1 mit einer herkömmlichen Längsträgeranordnung-Hinten. 1 shows schematically the section through the floor pan of the rear of a motor vehicle transverse to the longitudinal axis of the vehicle in the area of a wheel arch 1 with a conventional rear side member arrangement.

Danach ist der gezeigte untere Längsträger 2 in einem bestimmten Abstand "X" vom Radhausgewölbe 1 ausgehend zur Fahrzeugmitte hin versetzt angeordnet und weist einen nach oben offenen Profilquerschnitt, vorliegend einen U-förmigen Profilquerschnitt auf. Mit seinen oberen Profilflanschen 3 ist der untere Längsträger 2 des Weiteren in an sich bekannter Weise am Bodenblech 4 der Kraftfahrzeugkarosserie festgelegt, vorzugsweise mit demselben verschweißt. Die Verbindung zwischen dem unteren Längsträger 2 und dem Radhausgewölbe 1 wird im Wesentlichen durch das Bodenblech 4 realisiert.After that is the lower side member shown 2 at a certain distance "X" from the wheel arch 1 arranged offset to the center of the vehicle and has an upwardly open profile cross-section, in the present case a U-shaped profile cross-section. With its upper profile flanges 3 is the lower side member 2 furthermore in a manner known per se on the floor panel 4 the motor vehicle body fixed, preferably welded to the same. The connection between the lower side member 2 and the wheel arch 1 is essentially through the floor panel 4 realized.

Wie bereits oben dargetan, ist der besagte Abstand "X" von unterschiedlichsten, insbesondere konstruktiven Randbedingungen abhängig, die ihrerseits nicht Inhalt dieser Erfindung und demgemäß nicht näher zu betrachten sind. Es wurde jedoch in der Praxis gefunden, dass gerade aus dieser an sich notwendigen Beabstandung Nachteile hinsichtlich der Festigkeit und Eigenfrequenz der Kraftfahrzeugkarosserie zu verzeichnen sind.As already stated above, the said distance "X" from different, particularly dependent on constructive boundary conditions, which in turn are not Contents of this invention and therefore are not to be considered. It However, it was found in practice that it was precisely this that was necessary in itself Distance disadvantages in terms of strength and natural frequency the vehicle body are recorded.

Um diesem Mißstand zu begegnen, ist gem. 2 der untere Längsträger 2 unter Beibehaltung der vorgegebenen Lage im Trägerverbund der Bodengruppe, d. h., der gewählten Beabstandung "X" zum Radhausgewölbe 1, erfindungsgemäß derart ausgebildet, dass der äußere Seitensteg 5 desselben im Bereich des Radhausgewölbes 1 bis an das Radhausgewölbe 1 herangeführt und mit diesem fest verbunden ist.In order to counter this maladministration, 2 the lower side member 2 while maintaining the specified position in the carrier assembly of the floor assembly, ie the selected spacing "X" from the wheel arch 1 , According to the invention designed such that the outer side web 5 the same in the area of the wheel arch 1 to the wheel arch 1 brought up and is firmly connected to this.

Der innere Seitensteg 6 ist in herkömmlicher Weise ausgebildet und am Bodenblech 4 festgelegt, welches seinerseits ebenfalls weiterhin am Radhausgewölbe 1 angebunden ist.The inner side bridge 6 is designed in a conventional manner and on the floor panel 4 fixed, which in turn also continues on the wheel arch 1 is connected.

Wie in 2 durch die gestrichelte Linie angedeutet, kann der äußere Seitensteg 5 bereichsweise mit Einprägungen 7 versehen sein, die ihrerseits der Freigabe von Bauraum für nicht näher dargestellte benachbarte Bauteile, wie beispielsweise Stoßdämpfer und/oder andere Fahrwerksteile, dienen.As in 2 indicated by the dashed line, the outer side web 5 in some areas with impressions 7 be provided, which in turn serve to free up construction space for adjacent components, not shown, such as shock absorbers and / or other chassis parts.

Claims (2)

Längsträgeranordnung-Hinten an Kraftfahrzeugen, wobei beidseitig der Kraftfahrzeugkarosserie je ein vom Radhausgewölbe ausgehend zur Fahrzeugmitte hin versetzt angeordneter respektive zum Radhausgewölbe beabstandeter unterer Längsträger mit einem nach oben offenen Hohlprofilquerschnitt, denselben abdeckend, an einem Bodenblech festgelegt ist, dadurch gekennzeichnet, dass der äußere Seitensteg (5) des jeweiligen unteren Längsträgers (2) im Bereich des Radhausgewölbes (1) bis an das Radhausgewölbe (1) herangeführt und mit diesem fest verbunden ist.Rear member arrangement on the rear of motor vehicles, with a lower longitudinal member arranged on both sides of the motor vehicle body, starting from the arch of the wheel arch starting from the center of the vehicle or spaced apart from the arch of the wheel arch with an upwardly open hollow profile cross section, covering the same, is fixed to a floor panel, characterized in that the outer side web ( 5 ) of the respective lower side member ( 2 ) in the area of the wheel arch ( 1 ) to the wheel arch ( 1 ) brought up and firmly connected to it. Längsträgeranordnung nach Anspruch 1, dadurch gekennzeichnet, dass der äußere Seitensteg (5) des unteren Längsträgers (2) mit Einprägungen (7) zur Freigabe von Bauraum für benachbarte Bauteile versehen ist.Side member arrangement according to claim 1, characterized in that the outer side web ( 5 ) of the lower side member ( 2 ) with impressions ( 7 ) is provided to release construction space for neighboring components.
DE2002152472 2002-11-12 2002-11-12 Longitudinal strut arrangement for rear body of motor vehicles has lower longitudinal struts with outer side webs fastened to wheel housings Withdrawn DE10252472A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2002152472 DE10252472A1 (en) 2002-11-12 2002-11-12 Longitudinal strut arrangement for rear body of motor vehicles has lower longitudinal struts with outer side webs fastened to wheel housings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2002152472 DE10252472A1 (en) 2002-11-12 2002-11-12 Longitudinal strut arrangement for rear body of motor vehicles has lower longitudinal struts with outer side webs fastened to wheel housings

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DE10252472A1 true DE10252472A1 (en) 2004-05-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011015541A1 (en) * 2011-03-30 2012-10-04 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Floor structure of a motor vehicle body

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206361A1 (en) * 1991-04-19 1992-10-22 Audi Ag CARRYING STRUCTURE OF A BODY OF A PERSONAL VEHICLE
DE4204825A1 (en) * 1991-12-14 1993-06-17 Porsche Ag CAR BOX FOR MOTOR VEHICLES, ESPECIALLY PERSONAL VEHICLES
DE19709349A1 (en) * 1997-03-07 1997-07-17 Audi Ag Bearing structure in front axle unit of vehicle body
DE19606590A1 (en) * 1996-02-22 1997-08-28 Bayerische Motoren Werke Ag Carrier structure of vehicle
DE19709347C1 (en) * 1997-03-07 1998-06-18 Audi Ag Support structure in wheel arch area of vehicle body
DE19737242A1 (en) * 1997-08-27 1999-03-11 Opel Adam Ag Device for stiffening a vehicle body in the area of the rear wheel house
DE19808392A1 (en) * 1997-09-06 1999-03-11 Volkswagen Ag Support structure of a motor vehicle
DE19600460C2 (en) * 1996-01-09 2000-08-10 Opel Adam Ag Front bodywork for a motor vehicle
DE10061639A1 (en) * 2000-12-11 2002-06-13 Volkswagen Ag Rear reinforcement structure for motor vehicle comprises cross and longitudinal bearer system, with longitudinal bearers fitted to end-sides of cross bearer
DE4423125C2 (en) * 1994-07-01 2002-06-20 Opel Adam Ag Automotive body
DE4104894C2 (en) * 1990-03-14 2002-10-24 Volkswagen Ag vehicle body

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4104894C2 (en) * 1990-03-14 2002-10-24 Volkswagen Ag vehicle body
DE4206361A1 (en) * 1991-04-19 1992-10-22 Audi Ag CARRYING STRUCTURE OF A BODY OF A PERSONAL VEHICLE
DE4204825A1 (en) * 1991-12-14 1993-06-17 Porsche Ag CAR BOX FOR MOTOR VEHICLES, ESPECIALLY PERSONAL VEHICLES
DE4423125C2 (en) * 1994-07-01 2002-06-20 Opel Adam Ag Automotive body
DE19600460C2 (en) * 1996-01-09 2000-08-10 Opel Adam Ag Front bodywork for a motor vehicle
DE19606590A1 (en) * 1996-02-22 1997-08-28 Bayerische Motoren Werke Ag Carrier structure of vehicle
DE19709349A1 (en) * 1997-03-07 1997-07-17 Audi Ag Bearing structure in front axle unit of vehicle body
DE19709347C1 (en) * 1997-03-07 1998-06-18 Audi Ag Support structure in wheel arch area of vehicle body
DE19737242A1 (en) * 1997-08-27 1999-03-11 Opel Adam Ag Device for stiffening a vehicle body in the area of the rear wheel house
DE19808392A1 (en) * 1997-09-06 1999-03-11 Volkswagen Ag Support structure of a motor vehicle
DE10061639A1 (en) * 2000-12-11 2002-06-13 Volkswagen Ag Rear reinforcement structure for motor vehicle comprises cross and longitudinal bearer system, with longitudinal bearers fitted to end-sides of cross bearer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011015541A1 (en) * 2011-03-30 2012-10-04 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Floor structure of a motor vehicle body
US8398158B2 (en) 2011-03-30 2013-03-19 GM Global Technology Operations LLC Floor structure of a motor vehicle body

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