DE4119639A1 - DEVICE FOR SUPPORTING THE FORCES INITIATED BY A BUMPER - Google Patents
DEVICE FOR SUPPORTING THE FORCES INITIATED BY A BUMPERInfo
- Publication number
- DE4119639A1 DE4119639A1 DE19914119639 DE4119639A DE4119639A1 DE 4119639 A1 DE4119639 A1 DE 4119639A1 DE 19914119639 DE19914119639 DE 19914119639 DE 4119639 A DE4119639 A DE 4119639A DE 4119639 A1 DE4119639 A1 DE 4119639A1
- Authority
- DE
- Germany
- Prior art keywords
- cross member
- support profile
- vehicle side
- bumper
- circumference
- 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- Withdrawn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
- 239000000463 material Substances 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Abstützung der über einen Stoßfänger eingeleiteten Kräfte, mit einem aus einem einstuckigen Profilabschnitt bestehenden, insbesondere vorderen Querträger, der - endseitig mit überstand - zwei Fahrzeug längsträger miteinander verbindet.The invention relates to a device for supporting the a bumper initiated forces, with one out of one one-piece profile section existing, especially front Cross member, which - with protruding ends - two vehicles connecting longitudinal members with each other.
Ein derartiger, aus einem kleinvolumigen Profilabschnitt be stehender Querträger, der gegenüber herkömmlichen, aus zwei relativ voluminösen Blechhalbschalen zusammengesetzten Quer trägern wenig Bauraum benötigt, ist aus der DE-OS 19 02 391 bekannt. Allerdings spaltet sich jeder vordere Längsträger vor seinem Anlauf am Querträger in zwei gegenläufige Trägeräste auf, wodurch wohl eine günstige Krafteinleitung in die Längs träger erreicht wird, jedoch viel Platz verloren geht, der ge rade in diesem Bereich wegen der dort massiert untergebrachten Aggregate dringend benötigt wird.Such, be from a small-volume profile section standing crossbeam, compared to conventional, of two relatively voluminous half-shell composite cross carriers need little space is from DE-OS 19 02 391 known. However, each front side member splits up its start on the cross member in two opposite support branches on, which probably provides a favorable introduction of force into the longitudinal is achieved, but a lot of space is lost, the ge rade in this area because of the massively housed there Aggregates is urgently needed.
Aufgabe der Erfindung ist es, den Anschlußbereich von Querträ ger und Längsträger so auszubilden, daß bei Beanspruchung eines geringen Bauraumes eine Einleitung selbst hoher Kräfte vom vorgeschalteten Stoßfänger über den zwischengeschalteten Quer träger in die Fahrzeuglängsträger ermöglicht wird.The object of the invention is the connection area of Querträ ger and side members so that when stressed a small installation space an introduction of even high forces from upstream bumper over the intermediate cross carrier in the vehicle side members is made possible.
Diese Aufgabe wird bei einer Vorrichtung zur Abstützung der über einen Stoßfänger eingeleiteten Kräfte nach dem Oberbegriff des Patentanspruches 1 durch dessen kennzeichnende Merkmale gelöst.This object is achieved in a device for supporting the forces introduced via a bumper according to the generic term of claim 1 by its characterizing features solved.
Werden noch höhere Anforderungen gestellt, so vergrößert sich der benötigte Bauraum nur wenig und die Kräfte können ohne Fe stigkeitsverlust im Bereich der Querträgerabstützung in die Fahrzeuglängsträger eingeleitet werden, wenn das Abstützprofil zwei mit Abstand übereinander angeordnete rohrförmige Querträ gerabschnitte zumindest im Bereich der Enden der Fahrzeug längsträger klemmend überdeckt und wenn die Verbindung zum Ad apterteil durch Widerstandsschweißen wie Buckel schweißen er folgt.If even higher demands are made, this increases the space required is very small and the forces can be achieved without Fe Loss of stability in the area of the cross member support in the Vehicle side members are initiated when the support profile two tubular cross beams spaced one above the other at least in the area of the ends of the vehicle side member clamped and covered when the connection to the ad He welds the apter part by resistance welding like hump follows.
Werden durch örtliche Widerstandsschweißverbindungen der Quer träger bzw. die Querträgerabschnitte mit dem Abstützprofil verbunden, so erhält man eine vorgefertigte Baueinheit, deren Anbringung am Adapterteil leicht mechanisiert werden kann.Are made by local resistance welded connections of the cross girder or the cross member sections with the support profile connected, you get a prefabricated unit whose Attachment to the adapter part can be easily mechanized.
Zwei Ausführungsbeispiele der Erfindung werden nachfolgend an hand der Zeichnung näher erläutert. Es zeigen:Two embodiments of the invention are set out below hand of the drawing explained in more detail. Show it:
Fig. 1 einen adapterbestückten Fahrzeuglängsträger, der einen aus zwei Rundrohren bestehenden und nach vorn hin durch ein Abstützprofil abgedeckten Querträger aufnimmt, Fig. 1 is an adapter equipped vehicle side member, the one consisting of two circular tubes and receives forward toward covered by a support profile transverse support,
Fig. 2 einen Schnitt nach der Linie II-II in Fig. 1 und Fig. 2 shows a section along the line II-II in Fig. 1 and
Fig. 3 eine der Fig. 2 entsprechende Schnittdarstellung mit einem Halbrundrohr als Querträger und einen dem Abstützprofil vorgeschalteten Stoßfänger. Fig. 3 is a sectional view corresponding to FIG. 2 with a semicircular tube as a cross member and a bumper connected upstream of the support profile.
Gemäß den Fig. 1 und 2 nimmt jeder vordere Fahrzeuglängsträger 1 - von denen nur einer dargestellt ist - ein Adapterteil 2 auf, indem dieses mit endseitig vom Querträger 1 abgestellten Flanschen 3 z. B. durch Schweißen verbunden ist. Das Adapterteil 2 weist zur Aufnahme von zwei rundrohrförmigen, aus hochfestem Material bestehenden Querträgerabschnitten 4, die zusammen ei nen beide Fahrzeuglängsträger 1 miteinander verbindenden Quer träger 5 bilden, zwei am Außenumfang der Querträgerabschnitte 4 anliegende und diese bis zur Hälfte umgreifende Eindrückungen 6 auf. . Referring to Figures 1 and 2 takes each front longitudinal beam 1 - of which only one is shown - an adapter part 2, by, for this end parked with the cross member 1 flanges 3. B. is connected by welding. The adapter part 2 has for receiving two round tubular, made of high-strength material cross member sections 4 , which together egg NEN two vehicle side members 1 interconnecting cross member 5 form, two adjacent to the outer circumference of the cross member sections 4 and these encompass up to half of the impressions 6 .
Der Querträger 5 überragt jeden Fahrzeuglängsträger 1 und endet in nicht dargestellter Weise im Eckbereich eines in gleichfalls nicht gezeigter Weise endseitig zum Radausschnitt herumge führten Stoßfängers. Nach vorn hin ist der Querträger 5 durch ein Abstützprofil 7 abgedeckt, das beide Querträgerabschnitte 4 bis zu deren halben Durchmesser umfaßt und durch Buckel schweißen mit dem Adapterteil 2 verbunden ist. Durch diese Verbindungsart wird erreicht, daß der Querträger 5 nur indirekt befestigt ist und dadurch seine Festigkeit nicht durch eine mit einem Schweißvorgang einhergehende örtliche Erwärmung negativ verändert wird.The cross member 5 projects beyond each vehicle side member 1 and ends in a manner not shown in the corner region of a bumper which is likewise not shown in the manner shown at the end for the wheel cutout. Towards the front, the cross member 5 is covered by a support profile 7 which comprises both cross member sections 4 up to half their diameter and is welded to the adapter part 2 by welding. This type of connection ensures that the cross member 5 is only indirectly attached and thus its strength is not negatively changed by local heating associated with a welding process.
Außerhalb der längsträgerseitigen Abstützstellen können in nicht dargestellter Weise weitere Adapterteile vorgesehen wer den, die unter örtlichem Einschluß der Querträgerabschnitte 4 durch Buckelschweißen mit dem Abstützprofil 7 verbunden werden. Auf diese Weise erfolgt eine Festlegung des Querträgers 4, wie sie vom Prinzip her zur Befestigung eines Stoßfängers durch das DE-GM 17 43 897 bekannt ist.Outside the longitudinal support-side support points, additional adapter parts can be provided in a manner not shown, which are connected to the support profile 7 by local welding of the cross-member sections 4 by projection welding. In this way, the cross member 4 is fixed, as is known in principle for fastening a bumper by DE-GM 17 43 897.
Die Querträgerabschnitte 4 können auch durch außerhalb der Verbindungsstellen mit den Fahrzeuglängsträgern 1, und dabei in wenig kraftbeaufschlagten Bereichen liegenden örtlichen Wider standsschweißverbindungen am Abstützprofil 7 angelagert werden, so daß eine vorgefertigte Baugruppe geschaffen wird, die auch mechanisiert an den Verbindungsort mit den Fahrzeuglängsträgern 1 gebracht werden kann.The cross member sections 4 can also be attached to the support profile 7 by means of outside the connection points with the vehicle side members 1 , and lying in low force areas lying against resistance weld connections, so that a prefabricated assembly is created, which is also mechanically brought to the connection point with the vehicle side members 1 can.
Beim Ausführungsbeispiel nach Fig. 3 besteht der Querträger 5 im Gegensatz zum Ausführungsbeispiel nach den Fig. 1 und 2 aus nur einem halbrunden Tragteil, das vorderseitig durch ein zum Querträger 5 hin ebenes Abstützprofil 7 überdeckt ist. Dem Ab stützprofil 7 vorgelagert ist ein Stoßfänger 8, bestehend aus zwei Lagen 9 und 10 aus energieabsorbierendem Schaum, die durch eine in eine Schürze 11 auslaufende Abdeckung 12 voneinander getrennt sind.In the exemplary embodiment according to FIG. 3, in contrast to the exemplary embodiment according to FIGS . 1 and 2, the cross member 5 consists of only a semicircular supporting part which is covered on the front side by a support profile 7 which is flat towards the cross member 5 . From the upstream support profile 7 is a bumper 8 , consisting of two layers 9 and 10 of energy-absorbing foam, which are separated from each other by a cover 12 that runs into an apron 11 .
Die stoßnahe Lage 10 wird durch eine an der Abdeckung 12 fest gelegte Hülle 13 der Sicht entzogen. Nicht dargestellte, bei Stoßbeaufschlagung elastisch nachgiebige Halter verbinden die Abdeckung 12 mit dem Abstützprofil 7, so daß die stützprofilnahe Lage 9 von Abstützkräften entlastet ist und auch nach einem bleibende Deformationserscheinungen der Lage 9 hervorrufenden Aufprall weiterhin eine sichere Verbindung zwi schen Stoßfänger 8 und Fahrzeug gegeben ist.The layer 10 close to the joint is withdrawn from view by a cover 13 fixed to the cover 12 . Not shown, elastically resilient holder when subjected to impact connect the cover 12 to the support profile 7 , so that the support profile layer 9 is relieved of supporting forces and even after a permanent deformation of the position 9 causing impact, there is still a secure connection between the bumper 8 and vehicle .
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914119639 DE4119639A1 (en) | 1991-06-14 | 1991-06-14 | DEVICE FOR SUPPORTING THE FORCES INITIATED BY A BUMPER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914119639 DE4119639A1 (en) | 1991-06-14 | 1991-06-14 | DEVICE FOR SUPPORTING THE FORCES INITIATED BY A BUMPER |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4119639A1 true DE4119639A1 (en) | 1992-10-15 |
Family
ID=6433942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19914119639 Withdrawn DE4119639A1 (en) | 1991-06-14 | 1991-06-14 | DEVICE FOR SUPPORTING THE FORCES INITIATED BY A BUMPER |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4119639A1 (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4340033A1 (en) * | 1993-11-24 | 1995-06-01 | Benteler Werke Ag | Side impact beam |
DE19517919A1 (en) * | 1995-05-16 | 1996-11-21 | Bayerische Motoren Werke Ag | Light metal vehicle frame |
DE19517922A1 (en) * | 1995-05-16 | 1996-11-21 | Bayerische Motoren Werke Ag | Non-ferrous metal frame for vehicle |
DE19517918A1 (en) * | 1995-05-16 | 1996-11-21 | Bayerische Motoren Werke Ag | Chassis frame for vehicle |
DE19733191A1 (en) * | 1997-07-31 | 1999-02-18 | Porsche Ag | Cross beams for vehicles |
WO2000032444A1 (en) * | 1998-11-27 | 2000-06-08 | Bayerische Motoren Werke Aktiengesellschaft | A motor vehicle bumper mounting assembly |
DE19908833A1 (en) * | 1999-03-01 | 2000-09-07 | Volkswagen Ag | Motor vehicle with chassis consisting of two connected tubular frames with shell insert for passenger compartment and space for drive unit |
DE10255877A1 (en) * | 2002-11-29 | 2004-06-09 | Bayerische Motoren Werke Ag | Vehicle body with an adapter attached to a side member on the end face |
DE10332501B3 (en) * | 2003-07-17 | 2005-01-05 | Daimlerchrysler Ag | Chassis element for self-supporting vehicle body has reinforcing profile of on inside of chassis element sidewall |
DE10151211B4 (en) * | 2000-10-17 | 2007-09-06 | Mitsubishi Jidosha Kogyo K.K. | Vehicle body structure |
WO2009046808A1 (en) | 2007-10-01 | 2009-04-16 | Volkswagen Aktiengesellschaft | Method for producing a largely flat component assembly and largely flat component assembly produced using said method |
DE102009021964A1 (en) * | 2009-05-19 | 2010-11-25 | Audi Ag | Hollow profile i.e. longitudinal carrier, for self-supporting body of motor vehicle, has molded shells provided with lateral connection flanges, where one flange is formed as wall section directly lining hollow cross-section of profile |
DE102004056956B4 (en) * | 2003-11-27 | 2011-02-03 | Suzuki Motor Corp., Hamamatsu-Shi | Construction for a bumper reinforcement |
DE102010011494A1 (en) * | 2010-03-16 | 2011-09-22 | GM Global Technology Operations LLC , (n. d. Ges. d. Staates Delaware) | Front or rear bumper supporting structure for use in motor vehicle, has blank flange inserted between longitudinal and transverse beams and fastened to longitudinal beams, where flange stays in laminar contact with side of one of brackets |
DE102013016456A1 (en) * | 2013-10-02 | 2015-04-02 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Substructure for a motor vehicle |
DE102016200674A1 (en) * | 2016-01-20 | 2017-07-20 | Thyssenkrupp Ag | Bumper for a vehicle |
DE102020132604A1 (en) | 2020-12-08 | 2022-06-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Profile support for a support profile of a motor vehicle and method for producing a support profile |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1743897U (en) * | 1957-01-16 | 1957-04-25 | Rudolf Lingau | BUMPER FOR VEHICLES, IN PARTICULAR FOR SMALL TRANSPORT VEHICLES. |
DE1902391A1 (en) * | 1968-02-21 | 1969-09-18 | Ford Werke Ag | Motor vehicle frame with an energy-consuming front part |
DE8320240U1 (en) * | 1983-11-10 | Hoechst Ag, 6230 Frankfurt | Plastic bumper |
-
1991
- 1991-06-14 DE DE19914119639 patent/DE4119639A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8320240U1 (en) * | 1983-11-10 | Hoechst Ag, 6230 Frankfurt | Plastic bumper | |
DE1743897U (en) * | 1957-01-16 | 1957-04-25 | Rudolf Lingau | BUMPER FOR VEHICLES, IN PARTICULAR FOR SMALL TRANSPORT VEHICLES. |
DE1902391A1 (en) * | 1968-02-21 | 1969-09-18 | Ford Werke Ag | Motor vehicle frame with an energy-consuming front part |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4340033A1 (en) * | 1993-11-24 | 1995-06-01 | Benteler Werke Ag | Side impact beam |
DE19517919A1 (en) * | 1995-05-16 | 1996-11-21 | Bayerische Motoren Werke Ag | Light metal vehicle frame |
DE19517922A1 (en) * | 1995-05-16 | 1996-11-21 | Bayerische Motoren Werke Ag | Non-ferrous metal frame for vehicle |
DE19517918A1 (en) * | 1995-05-16 | 1996-11-21 | Bayerische Motoren Werke Ag | Chassis frame for vehicle |
DE19733191A1 (en) * | 1997-07-31 | 1999-02-18 | Porsche Ag | Cross beams for vehicles |
US6138429A (en) * | 1997-07-31 | 2000-10-31 | Dr. Ing. H. C. F. Porshe Ag | Cross member for vehicles and method of manufacturing same |
WO2000032444A1 (en) * | 1998-11-27 | 2000-06-08 | Bayerische Motoren Werke Aktiengesellschaft | A motor vehicle bumper mounting assembly |
DE19908833A1 (en) * | 1999-03-01 | 2000-09-07 | Volkswagen Ag | Motor vehicle with chassis consisting of two connected tubular frames with shell insert for passenger compartment and space for drive unit |
DE10151211B4 (en) * | 2000-10-17 | 2007-09-06 | Mitsubishi Jidosha Kogyo K.K. | Vehicle body structure |
DE10255877A1 (en) * | 2002-11-29 | 2004-06-09 | Bayerische Motoren Werke Ag | Vehicle body with an adapter attached to a side member on the end face |
DE10332501B3 (en) * | 2003-07-17 | 2005-01-05 | Daimlerchrysler Ag | Chassis element for self-supporting vehicle body has reinforcing profile of on inside of chassis element sidewall |
DE102004056956B4 (en) * | 2003-11-27 | 2011-02-03 | Suzuki Motor Corp., Hamamatsu-Shi | Construction for a bumper reinforcement |
WO2009046808A1 (en) | 2007-10-01 | 2009-04-16 | Volkswagen Aktiengesellschaft | Method for producing a largely flat component assembly and largely flat component assembly produced using said method |
CN101808881B (en) * | 2007-10-01 | 2012-09-05 | 大众汽车有限公司 | Method for producing a largely flat component assembly and largely flat component assembly produced using said method |
DE102009021964A1 (en) * | 2009-05-19 | 2010-11-25 | Audi Ag | Hollow profile i.e. longitudinal carrier, for self-supporting body of motor vehicle, has molded shells provided with lateral connection flanges, where one flange is formed as wall section directly lining hollow cross-section of profile |
DE102010011494A1 (en) * | 2010-03-16 | 2011-09-22 | GM Global Technology Operations LLC , (n. d. Ges. d. Staates Delaware) | Front or rear bumper supporting structure for use in motor vehicle, has blank flange inserted between longitudinal and transverse beams and fastened to longitudinal beams, where flange stays in laminar contact with side of one of brackets |
DE102013016456A1 (en) * | 2013-10-02 | 2015-04-02 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Substructure for a motor vehicle |
US9321486B2 (en) | 2013-10-02 | 2016-04-26 | GM Global Technology Operations LLC | Understructure for a motor vehicle |
DE102016200674A1 (en) * | 2016-01-20 | 2017-07-20 | Thyssenkrupp Ag | Bumper for a vehicle |
DE102020132604A1 (en) | 2020-12-08 | 2022-06-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Profile support for a support profile of a motor vehicle and method for producing a support profile |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAV | Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1 | ||
OP8 | Request for examination as to paragraph 44 patent law | ||
8130 | Withdrawal |