WO2010066814A1 - Karosserie für ein kraftfahrzeug und verfahren zur herstellung einer kraftfahrzeugkarosserie - Google Patents

Karosserie für ein kraftfahrzeug und verfahren zur herstellung einer kraftfahrzeugkarosserie Download PDF

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Publication number
WO2010066814A1
WO2010066814A1 PCT/EP2009/066772 EP2009066772W WO2010066814A1 WO 2010066814 A1 WO2010066814 A1 WO 2010066814A1 EP 2009066772 W EP2009066772 W EP 2009066772W WO 2010066814 A1 WO2010066814 A1 WO 2010066814A1
Authority
WO
WIPO (PCT)
Prior art keywords
roof frame
recess
region
profile
roof
Prior art date
Application number
PCT/EP2009/066772
Other languages
German (de)
English (en)
French (fr)
Inventor
Alfred LÖSCH
Helmut Mebus
Axel GRÜNEKLEE
Joachim Quandt
Clemens Latuske
Original Assignee
Thyssenkrupp Steel Europe 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 Thyssenkrupp Steel Europe Ag filed Critical Thyssenkrupp Steel Europe Ag
Priority to CN2009801493234A priority Critical patent/CN102245462A/zh
Publication of WO2010066814A1 publication Critical patent/WO2010066814A1/de
Priority to US13/156,118 priority patent/US8662576B2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • B62D27/023—Assembly of structural joints
    • 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
    • B62D25/04—Door pillars ; windshield 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
    • B62D25/06—Fixed roofs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/67—Rigid angle couplings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the invention relates to a bodywork for a motor vehicle and to a method for producing a bodywork for a motor vehicle.
  • Such a body is preferably an at least partially modular body, in which a first body element is mechanically connected in a predetermined connection area with a second body serial element using additional connecting means.
  • the first body element for example in the form of a prefabricated roof module or at least designed as a transverse profile of a roof and the second body element as a body pillar - in particular in the form of a so-called B-pillar or body side part with integrated body or B-pillar.
  • the roof module or the transverse profile is fastened via a separate connecting means on the body pillar.
  • Body side part are executed (DE 10 2005 047 927 Al) or compounds in which the cross member and the B-pillar are welded together.
  • DE 601 03 801 T2 a method for the assembly of an automobile body structure is known in which two body elements - in the form of a body side part with a body pillar and a bodywork superstructure with roof structure and front and
  • Rear window area - be joined.
  • the two parts are positioned to each other and then welded together. So that the two body elements are optimally positioned to each other before the welding process, the body side part in the head-side region of the B-pillar on a centering, which cooperates with a fixed to the roof structure, correlating with the centering positioning mandrel.
  • a body column in which retaining lugs are formed in the roof-side area for receiving a roof frame profile.
  • the roof frame profile is placed on top of the retaining tabs and then welded in the area of the retaining tabs with the body pillar.
  • a roof structure for a motor vehicle wherein the motor vehicle has a roof opening which can be opened and closed by a so-called cover member (eg folding roof).
  • the roof structure comprises a frame member to be joined in the roof opening, which is arranged on the roof in such a way around the Frame roof opening and support the cover member or wear.
  • the frame member comprises a reinforcing cross member in the width direction of the vehicle.
  • a reinforcement is provided, via which the cross member can be screwed to the B-pillar of the vehicle.
  • a roof construction for a vehicle equipped with a roof rail vehicle is specified, wherein in the connection region of the body pillar and roof cross member, in which an attachment point for the roof rail is also provided, a mounting bracket for body reinforcement in this area is provided.
  • US Pat. No. 7,407,222 B2 likewise describes a motor vehicle body in which an additional angle-shaped connection and stiffening element is provided in the connection area between the roof cross member and the body pillar.
  • the invention is based on the object, a body for a motor vehicle or a method for producing a Motor vehicle, wherein the weight of a vehicle body, while maintaining or improving the crash safety, can be further reduced.
  • the compound of light metal with a modulus of elasticity smaller than steel
  • existing body elements made of steel body elements.
  • the core of the present invention is the at least partially mechanically executed connection of the, the roof frame forming Dachrahmenlijnsprofilen with a roof frame cross section of the roof frame on the one hand and with a body pillar or a body pillar-containing body part on the other.
  • the roof frame cross section or a roof frame module with a corresponding roof frame cross section is also referred to as the first body element and the body pillar or a body part with integrated body pillar is also referred to as a second body element.
  • a connecting means or at least a component of such is arranged or arranged in the receptacle, which is configured such that the two side walls of the recess formed by the at least partially overlapping in the region of the junction and advantageously executed in shell construction roof frame profiles
  • the connecting means is advantageously carried out in several parts, wherein for the purpose of connecting the roof frame profiles with the body pillar a first connection element within the recess and a second connecting element opposite the first connecting element, from below or from the outside to the bottom of the profile of the roof frame (Dachrahmenlijnsprofil and roof frame transverse profile) formed recess is arranged.
  • the second connecting element can be arranged either in the context of a pre-assembly, including the roof frame profiles to be connected to the roof frame, so that then the roof frame module or the two
  • Roof frame profiles on the body pillar are attached (for example, screwed and / or welded by the connecting element with this).
  • the second connecting element is not already connected to the roof frame profiles during pre-assembly, but this is attached directly to the body pillar or the body pillar forming body part - especially welded to this.
  • the first body element in which within the recess the first connection element is fixed or prepositioned eg via an adhesive or welded connection, can then be connected to the second body element by mechanically joining the roof frame to the bodywork by the screwing of the first and second connection elements , For the screwing point both
  • the support to be realized via the connection means takes place via a support element, which may be part of the first connection element arranged in the recess.
  • the first connecting element may have a plate-like and provided with one or more holes, bottom side to be arranged in the recess bottom and an integrated support member, wherein the support member is at least partially spaced from the bottom of the recess and abuts the side walls of the recess (or almost rests)
  • the support element is designed as a material thickening of any desired cross section of a connecting element leg extending from the bottom of the recess into the interior of the recess.
  • the roof frame profiles are executed in shell construction.
  • the bottom-side second connecting element in adaptation to the at least in the region of the recess partially overlapping roof frame profiles also shell-shaped, so that it also encloses the overlapping roof frame profiles, at least partially, laterally from the outside.
  • the second connection element is already connected to the body pillar in the context of a pre-assembly - preferably welded to this.
  • the support element of the first connecting element at its two end faces in each case a bore for receiving a fastening means designed in particular as a screw, wherein the holes of the
  • Support element correlate with holes in the side walls of the roof frame profiles superimposed in this area and with holes in the side walls of the cup-shaped second connecting element.
  • the first body element is designed as consisting of magnesium or as a magnesium alloy existing component.
  • the roof frame longitudinal profiles may be formed either as part of a separate vorfertigbaren roof module or as part of other body parts, such as the body side panels.
  • a separate roof or roof frame module essentially comprises two roof frame longitudinal profiles forming the outer roof frame and two outer roof frame transverse profiles and at least one between the two
  • roof frame cross sections arranged in the area of a body pillar further roof frame cross profile.
  • the roof frame longitudinal profiles are advantageously also designed as consisting of magnesium or as magnesium alloy components.
  • the roof frame longitudinal profiles can also be embodied as an integral part of a body part (different from the roof) (for example, body side part).
  • the (body-side) roof frame longitudinal profiles are made of steel.
  • magnesium or a magnesium alloy another light metal or another light metal alloy can be used - in any case, a light metal is to use, which has a smaller modulus of elasticity
  • Fig. 1 is a partial representation of a motor vehicle body
  • Fig. 2 shows an enlarged detail of a connection region Y, in the body columns with
  • Parts of the vehicle roof are mechanically joined, as shown in FIG. 1,
  • FIG. 3 shows the detail enlargement of FIG. 2 in an exploded view of the roof frame
  • connection region Y in FIG. 2 is a sectional view of the connection region Y in FIG. 2.
  • Fig. 1 shows a body frame K, preferably consisting of steel, comprising a first of a body side wall 2 existing body element 2, on which in the roof-side area both front and rear a body cross member 4 is arranged to receive a roof module D.
  • the roof module D forming a second body element consists essentially of a roof frame with two longitudinal roof frame longitudinal profiles 6 and a front and a rear roof frame cross profile 8 and two further roof frame transverse profiles 10 arranged between the frame-side roof frame transverse profiles 8
  • additional separate connecting means 20 are provided in the region of joints Y, in which the roof frame module is to be mechanically connected to the roof frame cross members 10 including the roof frame longitudinal profiles 6 with the body pillars 12 of the body side part.
  • the prefabricated roof module D is placed on the body framework K and mechanically joined to the body or the body frame via the separate connection means 20 in the region of the joints Y.
  • the roof frame profiles 6, 8 and 10 of the roof module D are formed as existing metal profile sheets in shell construction. These profile sheets are made of a light metal, preferably magnesium or a magnesium alloy.
  • Bodywork skeleton K or the first body element consists of steel in a conventional manner.
  • the body pillars 12, here in the form of a B-pillar and a C-pillar are formed as integral components of the body side wall 2.
  • connection region Y shown in FIG. 1 is shown in an enlarged view. Here is easy to see how the executed in shell construction profile sheet of the roof frame cross section 10 in the
  • the first connecting element 20a is fastened by fastening means 21 (represented here by the two bottom side and the two laterally attacking arrows) with a bottom side from the outside at the recess 16, in the present case already welded to the body pillar 12, second Connecting element 20b joined.
  • FIG. 3 shows the detail enlargement of the connection region Y according to FIG. 2 in an exploded view of the roof frame or roof module D and bodywork scaffold K.
  • this illustration illustrates how the two body elements
  • Bodywork frame K and roof module D which each have a connecting element 20a, 20b is assigned as a separate and on the other hand illustrates that the second connecting element 20b is formed as a shell-like component, which is arranged below the recess 16 and welded to the bodywork frame K in the region of the body pillar 12.
  • connection region Y is shown in a sectional view along the line A-A (FIG. 2).
  • FIG. 2 it is shown how the prefabricated roof frame module D is placed and held on profile sections of the body-side roof frame longitudinal profile 14.
  • Another support finds the roof frame module D in the region of the joints Y through the already welded to the body K second connecting elements 20b.
  • the pre-positioned in the roof frame cross-section 10 first connecting element 20a is now mechanically joined via the fastening means 21 to the body frame K.
  • the first connecting element 20a via two bottom side
  • Fastening means 21 and two further fastening means 21 in the region of the side walls of the recess 16 screwed to the second connecting element 20b.
  • the mechanical connection means 20 is in a particularly advantageous manner of a light metal (especially magnesium) existing roof frame with a body pillar 12, in particular a B-pillar, which usually consists of high to very strong steel connected. Due to the additional support function of the connecting means 20, an extremely crash-safe connection between the roof frame module D and body frame K could be realized become. By the realized over the support member 20a3 additional anti-buckling in the body pillars 12, the stability of the overall body could be significantly improved.
  • Exemplary embodiment 1 relates to a bodywork for a motor vehicle, comprising two roof frame longitudinal profiles (6, 14), at least one roof frame transverse profile (8, 10) arranged between the roof frame longitudinal profiles (6, 14) and at least one body pillar (12), wherein in a connection region (Y ), a roof frame longitudinal profile (6; 14), a
  • Roof frame transverse profile (8, 10) and the body pillar (12) are connected to one another or can be connected to one another using a mechanical connecting means (20), wherein the roof frame longitudinal profile (6, 14) in the connection area (Y) in the longitudinal section of the roof frame longitudinal profile (6; 14) seen a recess (16) for receiving the at least partially in its peripheral contour of the recess (16) adapted Dachrahmenquerprofils (8; 10), and the connecting means (20) at least with parts in the roof frame transverse profile (8; 10) in the region of the recess (16) is arranged and formed such that the two opposite side walls of the
  • Embodiment 2 characterized in that the roof frame transverse profile (8; 10) and / or the roof frame longitudinal profile (6) consists of a material having a modulus of elasticity which is smaller than the modulus of elasticity of the body pillar
  • Embodiment 3 according to one of the preceding embodiments, characterized in that the roof frame longitudinal profile (6) and / or the roof frame cross profile
  • (8; 10) consists of the material magnesium or a magnesium alloy / exist.
  • Components of a multi-part prefabricated or prefabricated roof frame module (D) is formed.
  • Embodiment 5 according to one of the preceding embodiments, characterized in that the body pillar (12) consists of steel or a steel alloy.
  • Embodiment 6 according to one of the preceding embodiments, characterized in that the body pillar (12) is formed as an integral part of, further components of a vehicle body having body member.
  • Embodiment 7 according to one of the preceding embodiments, characterized in that the roof frame transverse profile (8; 10) and / or the
  • Roof frame longitudinal profile (6; 14) is designed as a profile sheet in shell construction / are.
  • Embodiment 8 according to one of the preceding embodiments, characterized in that the connecting means (20) comprises a first connecting element (20a) and cooperating with this second connecting element (20b).
  • Embodiment 9 according to embodiment 8, characterized in that the second connecting element (20b) with the body pillar (12) is welded.
  • Embodiment 10 according to one of the embodiment 8 or 9, characterized in that the first connecting element (20a) in the roof frame transverse profile (8; 10) in the region of the recess (16) is arranged and supporting means (20a3), via which the opposite inner side walls of Roof frame transverse profiles (8, 10) are supported against one another in the area of the recess (16), and - the second connecting element (20b) is designed such that it has the side walls of the longitudinal roof frame profile (U) in the region of the recess (16).
  • Embodiment 11 relates to a method for producing a bodywork for a motor vehicle, comprising the method steps:
  • a first body element this being designed as a roof frame module (D) with roof frame longitudinal profiles (6) and roof frame cross sections (8, 10), and wherein the roof frame longitudinal profile (6) in the connection region (Y) of the roof frame profiles (6, 8, 6, 10) , Seen in longitudinal section of the roof frame longitudinal profile (6), a recess (16) for receiving the at least partially in its peripheral contour to the recess (16) adapted
  • Embodiment 12 characterized in that the frictional-locking connection of the first and second body element takes place by in the connecting region (Y) in which the roof frame profiles (6, 8, 10) of the first body member are interconnected, in the roof frame cross-section (8 ; 10) in the region of the recess (16), a first connecting element (20a) is arranged and fixed, which on the one hand via the support element (20a3) is supported on the side walls in the region of the recess (16) and which is supported on the other bottom side in the recess (16), and wherein a second connecting element (20b) is arranged on the second body element, in the upper head-side region of the body pillar (12) and is fixed, and the two connecting elements (20a, 20b), including the first body member via fastening means (21) are positively connected to each other.
PCT/EP2009/066772 2008-12-10 2009-12-09 Karosserie für ein kraftfahrzeug und verfahren zur herstellung einer kraftfahrzeugkarosserie WO2010066814A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2009801493234A CN102245462A (zh) 2008-12-10 2009-12-09 机动车车身以及制造机动车车身的方法
US13/156,118 US8662576B2 (en) 2008-12-10 2011-06-08 Body for a motor vehicle and method for producing a motor vehicle body

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008061490.4 2008-12-10
DE102008061490A DE102008061490B3 (de) 2008-12-10 2008-12-10 Karosserie für ein Kraftfahrzeug und Verfahren zur Herstellung einer Kraftfahrzeugkarosserie

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/156,118 Continuation US8662576B2 (en) 2008-12-10 2011-06-08 Body for a motor vehicle and method for producing a motor vehicle body

Publications (1)

Publication Number Publication Date
WO2010066814A1 true WO2010066814A1 (de) 2010-06-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/066772 WO2010066814A1 (de) 2008-12-10 2009-12-09 Karosserie für ein kraftfahrzeug und verfahren zur herstellung einer kraftfahrzeugkarosserie

Country Status (4)

Country Link
US (1) US8662576B2 (pt-PT)
CN (1) CN102245462A (pt-PT)
DE (1) DE102008061490B3 (pt-PT)
WO (1) WO2010066814A1 (pt-PT)

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CN102245462A (zh) 2011-11-16
US8662576B2 (en) 2014-03-04

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