WO2012163524A2 - Bloc avant pour voiture de tourisme - Google Patents

Bloc avant pour voiture de tourisme Download PDF

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Publication number
WO2012163524A2
WO2012163524A2 PCT/EP2012/002286 EP2012002286W WO2012163524A2 WO 2012163524 A2 WO2012163524 A2 WO 2012163524A2 EP 2012002286 W EP2012002286 W EP 2012002286W WO 2012163524 A2 WO2012163524 A2 WO 2012163524A2
Authority
WO
WIPO (PCT)
Prior art keywords
elements
passenger car
members
longitudinal
transverse direction
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.)
Ceased
Application number
PCT/EP2012/002286
Other languages
German (de)
English (en)
Other versions
WO2012163524A3 (fr
Inventor
Karsten Finger
Dieter Lange
Franz Maier
Matthias Nohr
Martin Weller
Sven David WÖLKERLING
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.)
Mercedes Benz Group AG
Original Assignee
Daimler 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
Priority claimed from DE201110103290 external-priority patent/DE102011103290A1/de
Priority claimed from DE201110103475 external-priority patent/DE102011103475A1/de
Application filed by Daimler AG filed Critical Daimler AG
Priority to EP12733405.0A priority Critical patent/EP2714447A2/fr
Publication of WO2012163524A2 publication Critical patent/WO2012163524A2/fr
Publication of WO2012163524A3 publication Critical patent/WO2012163524A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments
    • 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
    • B62D25/088—Details of structures as upper supports for springs or dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports

Definitions

  • the invention relates to a front module for a passenger car.
  • DE 10 2004 016 616 B3 discloses a drive arrangement for a motor vehicle with a support frame detachably fastened to the motor vehicle body and a drive unit mounted on the support frame by means of associated motor bearings.
  • Drive unit is arranged between two lateral side members of the support frame.
  • the drive arrangement comprises two lateral drive shafts, each of which
  • the Drive shaft is passed through their side of the car.
  • the passage openings are each circumferentially enclosed by the associated frame longitudinal member of the support frame, wherein the motor bearings are supported on the upper sides of the frame side members.
  • a front module is proposed with the features of claim 1. That at shell of body of the passenger car too
  • Fastening front module for a passenger car includes
  • Basic support element to which at least two longitudinally spaced vehicle transverse direction of the longitudinal support elements are attached.
  • the longitudinal beam elements is also referred to as a Biegequerthere cross member one or held for a bumper device of the passenger car to the basic carrier element.
  • the basic carrier element is at least substantially U-shaped and comprises a cross member and two in the vehicle transverse direction from each other
  • the basic carrier element thus represents a support structure element of the front-end module, to which at least one attachment can be fastened or fastened.
  • a drive unit for driving the passenger car to the stem to be stored on the base support member or can be arranged, that is, the
  • Vorbaumodul can also be used as a motor support for at least partial storage of
  • the front end module can thus be timely and inexpensive time before its attachment to the shell of the body with the attachments and the drive unit and optionally further drive components for driving the passenger car provided and equipped and so at least largely equipped to a
  • the U-shaped base support member has a high rigidity and thus a low deformability.
  • the front module can thus different
  • Vorbaumodul are to be stored. In particular, these can be different
  • the basic carrier element according to the invention has a quasi-band-like structure, wherein this band structure can be made particularly rigid so that the at least one
  • Suspension components can be attached and stored. So can
  • Fuel cell components can advantageously be stored or attached only to the front module. This keeps the space requirement, the cost, the weight and the number of parts low. In particular, so package problems can be avoided and / or solved.
  • the longitudinal support elements Due to the attachment of the longitudinal support elements on the base support element, the longitudinal support elements can already be mounted in a pre-assembly step on the front module, which simplifies the assembly of the front module on the shell in the final assembly.
  • the basic support member may be integrally formed, that is, the
  • Basic carrier element is a sheet metal or cast part or extruded profile or, for example, be made of fiber-reinforced plastic FRP component.
  • the side support members and the cross member are separate elements and to connect them together, for example, materially, in particular by welding and / or bonding, and / or non-positively, in particular by riveting or screwing, and / or positively.
  • the individual parts of the basic carrier element can be made of the same material or of different materials.
  • the cross member could for example be formed as an extruded section, while at least one of the side support members is formed as a sheet metal part or fiber-reinforced plastic part.
  • Basic support element this is preferably formed essentially of metal, in particular of a steel or a light metal, in particular aluminum.
  • the basic carrier element preferably comprises fastening means for steering the passenger car. Thus, additional and separate fastening means can be avoided, which keeps the number of parts and the cost of the passenger car low.
  • transverse support member opposite sides, in particular end portions of the side support members respectively
  • the receiving parts extend at least substantially in the vehicle transverse direction of the side support members away to the outside and are arranged higher in the vehicle vertical direction than that
  • Transverse structural member This results overall in a substantially hat-shaped or cup-shaped cross-section or cross-sectional contour.
  • respective receiving elements in particular damper domes, are formed for fastening respective spring and / or damper elements of a chassis of the passenger car.
  • the receiving elements for receiving the spring and / or damper elements are integrated into the basic carrier element.
  • the side support members have respective fastening means for fastening respective link elements of the chassis of the passenger car to the base support member. It is possible, for example, compression struts with respect to the vehicle vertical direction lower link elements, in particular wishbone, and / or on the other hand upper
  • Handlebar elements in particular wishbone, by means of the fastening means of the
  • Base support element to attach to this. This keeps the number of parts and thus the cost of attaching the link elements on the base support element and thus low on the front module.
  • the basic carrier element can be made particularly narrow relative to the vehicle longitudinal direction. This is beneficial for the accident behavior, in particular with regard to a longitudinal beam deformation, since the longitudinal support elements that can be deformed when energy is consumed due to accidental force, in particular the longitudinal areas thereof, can be designed with a particularly long length.
  • the narrow design of the Basic support element the weight of this and thus the entire Vorbaumoduls low. This benefits the low weight of the passenger car, so that it can be driven with only low energy consumption and thus with only low C0 2 emissions.
  • the basic carrier element can be designed to be particularly narrow despite the realization of the external connection and the inner connection of the link elements, which is associated with the advantages already described in this respect.
  • the basic carrier element is arranged in the vehicle longitudinal direction between the first and the further longitudinal carrier elements.
  • the front-end module is to be fastened to the carcass of the passenger car by means of the further side member elements, for example, to a front of a passenger compartment
  • the front module can be mounted particularly advantageous.
  • the front-end module has deformation structures by the first and the further longitudinal beam elements, which under an accidental force application of the passenger car, in particular in the vehicle longitudinal direction, for example in a frontal collision, under
  • the front module thus enables the representation of a particularly advantageous accident behavior of the passenger car.
  • Vehicle longitudinal direction an at least substantially straight load path from the first side member members via the base support member to the other Side member elements created.
  • an offset of the load path is avoided, resulting in an advantageous guidance of impact energies over the front module is ensured in the shell of the body.
  • the longitudinal support elements of the front-end module can advantageously be deformed while consuming energy.
  • deformation structures of the bodyshell are thereby advantageously activated, so that they contribute to the absorption and energy dissipation and can convert impact energy into deformation energy. This benefits the protection of the occupants of the passenger car.
  • the bearing elements are thus designed to support and stiffen a transition from at least substantially extending in the vehicle vertical direction areas to at least substantially in the vehicle transverse direction extending areas of the basic carrier element efficiently.
  • the bearing elements comprise, for example, respective housings which are respectively supported on the associated side support parts and on the cross member part. This is the rigidity of the basic support element and thus the entire Vorbaumoduls benefit what the driving dynamics and driving characteristics of the passenger car is beneficial.
  • the first and / or further longitudinal carrier elements are preferably designed as extruded profiles, in particular as at least substantially straight extruded profiles.
  • the front module can be easily adapted to different technical requirements such as the requirements mentioned.
  • a front module with the features of claim 9 is proposed, in which the at least partially extending in the vehicle transverse direction, bridging the distance between the longitudinal support elements
  • the front module has a very high rigidity, which benefits the rigidity of the entire front end region of the passenger car. This results in a very good accident behavior of the passenger car and advantageous driving characteristics.
  • the receiving openings may optionally be formed as passage openings, which are optionally completely penetrated by the longitudinal support elements. This means that the longitudinal support elements in the basic carrier element
  • Vehicle longitudinal direction on both a first side of the base support member and on a second side facing away from the first side of the basic support member project beyond the base support member.
  • the base support element is arranged in relation to the vehicle longitudinal direction between the front side rail portions and the rear side rail portions.
  • load paths are at least in the
  • the front module thus has a very good accident behavior, which is the protection of occupants of the
  • the longitudinal support elements based on the vehicle longitudinal direction, starting from the basic support element only in one
  • the base support member Direction of the base support member away in particular forward and thus extend beyond the basic support member only on the first but not on the second side. It can be provided that on the base support member further, spaced apart in the vehicle transverse direction of the longitudinal support members on the second, the first side member elements facing away from the base support member are attached.
  • the further longitudinal beam elements extend in the vehicle longitudinal direction away from the basic carrier element, in particular towards the rear.
  • the front side rail portions are formed by the first side rail members, while the rear side rail portions are formed by the other side rail members.
  • the cross member in particular bending cross member, by means of respective, often as crash boxes
  • the energy absorption elements held on the side rail members.
  • the energy absorption elements are deformed with energy consumption, so that acting on the occupants of the passenger car delays can be kept low.
  • the invention also includes a body for a passenger car with a front module according to the invention, which is at least indirectly held on the shell of the body.
  • Advantageous embodiments of the front boom module are to be regarded as advantageous embodiments of the body and vice versa.
  • the front module for example, at least indirectly attached to a front end wall of the shell.
  • the front module is held on the end wall by mediating respective, in particular to the other longitudinal members corresponding adapter elements.
  • the adapter elements it is possible within the
  • the front module in particular on the
  • Adapter elements with the shell, in particular the end wall, is screwed.
  • Vorbaumoduls is created with respect to the vehicle vertical direction lower longitudinal beam level.
  • an upper longitudinal member level with longitudinal members spaced apart from one another in the vehicle transverse direction is formed by the shell, whereby an advantageous joint pattern of the passenger car can be adjusted and problems with regard to color matching (color matching) can be prevented.
  • To compensate for tolerances between connecting areas, in particular screw areas, on the adapter elements and on the upper longitudinal beam level preferably respective in the vehicle vertical direction downwardly facing undersides of the longitudinal beam elements of the upper longitudinal beam level in the vehicle vertical direction formed height adjustable without affecting an upper fender pad. This can be time and
  • Costly reworking for subsequent tolerance compensation accounts for what keeps the assembly of the front module in terms of their complexity and cost low.
  • Figure 1 is a schematic perspective view of a front end module of a partially represented passenger car with an at least substantially U-shaped base support member to which longitudinal support members, engine mount and wishbone of the passenger car are attached and which is to be attached via adapter elements on an end wall of the shell of the passenger car;
  • FIG. 2 is a schematic perspective view of the basic carrier element of FIG.
  • FIG. 3 a detail of another schematic perspective view of the
  • FIG. 1 shows a front module 10 for a passenger car, which is to be attached to an end wall 12 of the shell of the body of the passenger car, for example by means of screws.
  • the front-end module 10 comprises an at least substantially U-shaped basic support element 1, shown in FIG. 2.
  • the base support member 14 includes two in
  • the side carrier parts 16, 18 are connected to one another by a transverse carrier part 20 of the basic carrier element 14 extending at least substantially in the vehicle transverse direction.
  • the base support member 14 is a particularly rigid and little deformable band structure is created as a support structure element of the front end module 10, which ensures a particularly high rigidity of a front end portion 22 of the passenger car. This is particularly advantageous the driving characteristics and the
  • respective receiving members 28,30 adjoin the side support members 16,18, the receiving member 28 being integrally formed with the side support member 16 and the receiving member 30 integral with the side support member 18 ,
  • the receiving parts 28, 30 are arranged in the vehicle vertical direction above the cross member part 20 and in the region of an upper longitudinal member plane of the body and extend at least in the
  • respective receiving elements 32, 34 are formed, on which respective struts of a chassis of the
  • Passenger car sprung over the struts and damped on the front end module 10 can be maintained.
  • the side support parts 16, 18 also form respective fastening means 36, 38 in the form of passage openings, via which respective transverse links 40, 42 can be fastened to the basic support element 14.
  • respective bearing pin for the wishbone 40, 42 inserted through the through holes and secured by means of corresponding lock nuts on the side support members 16, 18.
  • the wishbones 40, 42 can then be mounted on the bearing pins in such a way that they are pivotable about respective pivot axes extending at least substantially in the vehicle longitudinal direction relative to the side support parts 16, 18.
  • On the wishbones 40, 42 can in turn respective
  • Steering knuckles are attached, via which the respective front wheels can be held on the front module 10.
  • the transverse links 40, 42 are related to the
  • Vehicle vertical direction at least partially at least substantially U-shaped cross-sections, through which respective, in the vehicle transverse direction outwardly open receptacles 44, 46 are formed.
  • these other link elements at least partially in the respective receptacles 44, 46 and arranged on the arranged in the receptacles 40, 46 fasteners 36, 38 and are fastened to the base support element 14 via the fastening means 36, 38 accessible from the receptacles 44, 46.
  • the base support element 14 can be made particularly narrow with respect to the vehicle longitudinal direction, which keeps the weight of the base support element 14 and thus of the entire front end module 10 low.
  • respective side member parts 16, 18 are fastened to respective side member elements 48, 50 spaced from one another in the vehicle transverse direction.
  • the side support members 16, 18 respective receiving openings 52, 54, in which the longitudinal support members 48, 50 are inserted at least partially.
  • the longitudinal support elements 48, 50 mechanically joined to the side support members 16, 18, for example, welded.
  • the bending cross member 56 is under mediation respective
  • Energy absorption elements 58, 60 which are also referred to as crash boxes, held on the side member 48, 50.
  • the energy absorbing elements 58, 60 are thereby at least partially trained in the extruded profiles
  • the energy absorption elements 58, 60 have respective receptacles 62, 64 in which the bending cross member 56 is received at least in some areas and over which the bending cross member 56 is screwed to the energy absorption elements 58, 60.
  • the further longitudinal carrier elements 66, 68 thereby run at least substantially in alignment with the first longitudinal carrier elements 48, 50, so that in the case of a
  • Vehicle longitudinal direction at least substantially straight charging paths are realized without offset.
  • the front module 10 further comprises a stabilizer 70, which is to be coupled with the front wheels and by means of which an undesirable rolling movement of the
  • the front module 10 includes
  • the front module 10 includes bearing elements 72, 74, via the one
  • Drive unit for example in the form of an internal combustion engine to the base support member 14 is to be stored.
  • the respective bearing elements 72, 74 are arranged in respective corner regions 76, 78 bounded on one side by the side support members 16, 18 and on the other hand by the cross member 20, respective housings the bearing elements 72, 74 are supported on the one hand on the side support members 16, 18 and on the other hand on the cross member part 20.
  • the bearing elements 72, 74 are arranged and supported on the corner, whereby the corner regions 76, 78 are stiffened. This comes the high rigidity of the front boom module 10 and thus the
  • Front end area 22 of the passenger car benefits.
  • the end wall 12 For attachment of the front module 10 on the end wall 12 are each, to the other side members 66, 68, over which the front module 10 is to be attached to the end wall 12, corresponding end wall adapter 80, 82 provided, thereby, it is possible, the end wall 12 optionally with the front module 10 or with
  • the further longitudinal beam elements 66, 68 are provided with mounting flanges 84, 86, via which the front module 10 with the end wall 12 and the
  • End wall adapters 80, 82 mechanically joined, for example, screwed and / or welded and / or can be connected in other ways.
  • the bodyshell comprises, based on FIG.
  • the upper longitudinal member level is assigned to the bodyshell of the body, so that problems with the joint pattern and with the so-called color matching (color matching) can be avoided.
  • the pre-fabricated module which is thus prefabricated and at least partially equipped with provided components / units, is preferably mechanically joined together with the "residual vehicle". Due to the special design is an economic implementation of different technical
  • the front module special mounting frame can be omitted eg for fuel cell systems.
  • the rigid band structure of the foreshadow module is to be emphasized, which is preferably made by a stiff, little deformable, in the here described
  • Embodiment 3-part band structure with receiving points for the steering, for the compression struts of the lower arm, for the upper arm and for the
  • the front and rear side members are preferably received by the band structure.
  • the upper wishbones virtually encompass-depending on the handlebar design (3/4 handlebar axis) -the band structure on the outside or, for example, bind conventionally on the inside. Due to the external connection, the band structure can be kept narrow. As a result, the crash behavior (longitudinal member deformation) can be optimized because the deformable side member sections can be made longer. In addition, the weight is reduced by the narrower structure.
  • the motor bearing is preferably carried out supporting, that is, the housing and the mounting points of the engine mount are designed in a particularly advantageous embodiment that it stiffen the transition from the vertical areas of the band structure to the horizontal areas of the basic support member.
  • end wall adapter By preferably provided end wall adapter, it is possible to manufacture vehicles with conventional stem or with a front module within a production line.
  • the end wall adapter is the central connection element between
  • Front module and end wall are Front module and end wall.
  • the upper longitudinal member level is preferably left in the shell. This prevents problems with the joint image. For tolerance compensation between the
  • the underside of the upper longitudinal member is preferably made adjustable in height, without affecting the upper fender support.

Landscapes

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

Abstract

L'invention concerne un bloc avant (10) pour une voiture de tourisme, comprenant un élément porteur principal (14) sur lequel sont fixés au moins deux éléments porteurs longitudinaux (48, 50) espacés l'un de l'autre dans la direction transversale du véhicule, par l'intermédiaire desquels une traverse de flexion (56) pour un ensemble pare-choc de la voiture de tourisme est fixée sur l'élément porteur principal (14), l'élément porteur principal (14) étant conçu de manière à présenter, au moins globalement, une forme de U, et comprenant un élément porteur transversal (20) et deux éléments porteurs latéraux (16, 18) s'étendant sensiblement dans la direction de la hauteur du véhicule, espacés l'un de l'autre dans la direction transversale du véhicule, et reliés l'un à l'autre par l'élément porteur transversal (20), sur chacun desquels est monté un des éléments porteurs longitudinaux (48, 50).
PCT/EP2012/002286 2011-06-03 2012-05-30 Bloc avant pour voiture de tourisme Ceased WO2012163524A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12733405.0A EP2714447A2 (fr) 2011-06-03 2012-05-30 Bloc avant pour voiture de tourisme

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011103475.0 2011-06-03
DE201110103290 DE102011103290A1 (de) 2011-06-03 2011-06-03 Vorbaumodul für einen Personenkraftwagen
DE102011103290.1 2011-06-03
DE201110103475 DE102011103475A1 (de) 2011-06-03 2011-06-03 Vorbaumodul für einen Personenkraftwagen

Publications (2)

Publication Number Publication Date
WO2012163524A2 true WO2012163524A2 (fr) 2012-12-06
WO2012163524A3 WO2012163524A3 (fr) 2013-07-18

Family

ID=46489151

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/002286 Ceased WO2012163524A2 (fr) 2011-06-03 2012-05-30 Bloc avant pour voiture de tourisme

Country Status (2)

Country Link
EP (1) EP2714447A2 (fr)
WO (1) WO2012163524A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015063569A1 (fr) * 2013-10-30 2015-05-07 Toyota Jidosha Kabushiki Kaisha Logement d'amortisseur et structure avant de véhicule
DE102014110687A1 (de) 2014-07-29 2016-02-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Fahrzeugstruktur
CN112373283A (zh) * 2020-11-06 2021-02-19 安徽江淮汽车集团股份有限公司 一种连接结构
CN115158479A (zh) * 2022-06-29 2022-10-11 重庆长安汽车股份有限公司 一种基于平台架构的车身前机舱一体式结构及汽车

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004016616B3 (de) 2004-04-03 2005-08-11 Daimlerchrysler Ag Antriebsanordnung für einen Kraftwagen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1436802A (fr) * 1965-03-18 1966-04-29 Citroen Sa Andre Perfectionnements apportés aux châssis des véhicules automobiles

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004016616B3 (de) 2004-04-03 2005-08-11 Daimlerchrysler Ag Antriebsanordnung für einen Kraftwagen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015063569A1 (fr) * 2013-10-30 2015-05-07 Toyota Jidosha Kabushiki Kaisha Logement d'amortisseur et structure avant de véhicule
US9855975B2 (en) 2013-10-30 2018-01-02 Toyota Jidosha Kabushiki Kaisha Suspension tower and vehicle front structure
DE102014110687A1 (de) 2014-07-29 2016-02-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Fahrzeugstruktur
CN112373283A (zh) * 2020-11-06 2021-02-19 安徽江淮汽车集团股份有限公司 一种连接结构
CN112373283B (zh) * 2020-11-06 2022-02-01 安徽江淮汽车集团股份有限公司 一种连接结构
CN115158479A (zh) * 2022-06-29 2022-10-11 重庆长安汽车股份有限公司 一种基于平台架构的车身前机舱一体式结构及汽车
CN115158479B (zh) * 2022-06-29 2023-09-22 重庆长安汽车股份有限公司 一种基于平台架构的车身前机舱一体式结构及汽车

Also Published As

Publication number Publication date
EP2714447A2 (fr) 2014-04-09
WO2012163524A3 (fr) 2013-07-18

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