EP3010740A1 - Élément de renforcement de portière de véhicule automobile, portière de véhicule automobile et procédé de fabrication d'un élément de renforcement - Google Patents

Élément de renforcement de portière de véhicule automobile, portière de véhicule automobile et procédé de fabrication d'un élément de renforcement

Info

Publication number
EP3010740A1
EP3010740A1 EP14728448.3A EP14728448A EP3010740A1 EP 3010740 A1 EP3010740 A1 EP 3010740A1 EP 14728448 A EP14728448 A EP 14728448A EP 3010740 A1 EP3010740 A1 EP 3010740A1
Authority
EP
European Patent Office
Prior art keywords
reinforcing element
forged
vehicle door
motor vehicle
reinforcing
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Withdrawn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
EP14728448.3A
Other languages
German (de)
English (en)
Inventor
Michael Fütterer
Stefan Linke
Manfred Kempf
Jürgen Thalemann
Oya BARBERIS
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
Application filed by Daimler AG filed Critical Daimler AG
Publication of EP3010740A1 publication Critical patent/EP3010740A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/0207—Parts for attachment, e.g. flaps for attachment to vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0451—Block or short strip-type elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0455—Reinforcement elements integrated in door structure or other door elements, e.g. beam-like shapes stamped in inner door panel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/048—Doors arranged at the vehicle sides characterised by the material
    • B60J5/0483—Doors arranged at the vehicle sides characterised by the material lightweight metal, e.g. aluminum, magnesium
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction

Definitions

  • the invention relates to a reinforcing element for a motor vehicle door according to
  • the preamble of claim 1 a motor vehicle door according to the preamble of claim 8, and a method of manufacturing a reinforcing element for a motor vehicle door according to the preamble of claim 9.
  • German Patent Application DE 10 2005 061 562 A1 discloses a motor vehicle door which comprises reinforcing elements, in particular hinged and / or lock reinforcements based on light metal in a sheet metal construction.
  • Reinforcement elements consist at least in some areas of profiled sheets. Normally, deep-drawn or stamped aluminum sheets are fastened for reinforcement to a lateral frame structure of the motor vehicle door. In the hinge area, a steel threaded plate is additionally fastened, on which a side impact strut is attached.
  • profiled sheets is difficult because high design levels are necessary due to the structural design. Few ductile materials such as aluminum or its alloys can be reshaped only with great procedural effort. After deep drawing results in a jump of the deep-drawn component, so that the dimensional stability of the same is low. Reworking is therefore required in any case.
  • the usual mixed construction in which
  • the invention has for its object to provide a reinforcing element, a motor vehicle door and a method for producing a reinforcing element for the motor vehicle door, said disadvantages do not occur.
  • a reinforcing element is provided with the features of claim 1.
  • the reinforcing element is particularly preferably produced by forging. It is possible to produce dimensionally stable complex reinforcement elements in lightweight construction with little effort.
  • solid-formed, preferably forged reinforcement member has a high-density structure, whereby it is given a high strength. It is therefore highly resilient to mechanical stresses.
  • massive forming, in particular forging it is possible to set a fiber course in the component in a way that is suitable for the load, in particular fibers in mechanical
  • the reinforcing element can be tailored to the expected mechanical stresses and locally thickened exactly where particularly high forces attack.
  • loading paths along the reinforcing element are easily adjustable, since the material during
  • Massive forming especially when forging pressed in accordance with the expected mechanical loads and can be selectively varied in its thickness.
  • the reinforcing element as a whole only has an increased wall thickness where it is also required in terms of load.
  • a thin-walled component can be created on the whole, which is lighter, but nevertheless more stable than a corresponding deep-drawn, profiled or cast part.
  • the reinforcing element has specifically provided, local
  • Reinforcing element form smaller than in other areas.
  • the solid-formed, preferably forged component has excellent mechanical properties with regard to its tensile strength, yield strength,
  • the reinforcing element is preferably made in one piece from only one light metal blank by massive forming, preferably by forging. This reduces a number of components, and joints omitted. Thus, at the same time reduces the assembly costs for a motor vehicle door, which includes the reinforcing element. Overall, the production costs for the motor vehicle door and also for the reinforcing element can be reduced.
  • the forged reinforcement element is easily accessible to all common joining techniques, so that no problems with joining with adjacent components of the
  • a reinforcing element is preferred, which is characterized in that at least one reinforcing region for a hinge is attached to the reinforcing element
  • the reinforcing element is forged preferably integrally with the at least one reinforcing region from only one light metal blank, wherein the at least one reinforcing region is formed during the forging of the material of the light metal blank.
  • the at least one reinforcing region is forged to the reinforcing element during forging.
  • the reinforcement area before forging is considered separate part before, but is connected during forging with the reinforcing element to a one-piece component.
  • a material connection between the initially separate elements is particularly preferably effected.
  • a positive connection between the elements is effected.
  • a reinforcing element is also preferred, which is characterized in that at least one fastening region for a strut is forged on the reinforcing element.
  • the at least one attachment region it is also possible for the at least one attachment region to be attached to the
  • Reinforcement element is forged.
  • a separate reinforcement or fastening component which would otherwise typically include steel, is omitted, because now the corresponding attachment surface for the strut is arranged or formed on the forged reinforcement element itself.
  • Is / are the gain region and / or the mounting area on the
  • Forged reinforcing element this has / have the same material as the other areas of the reinforcing element. If, however, the reinforcing area and / or the fastening area are / are initially provided as separate elements, this is not absolutely necessary. However, an embodiment is preferred in which the reinforcement region and / or the attachment region is / are formed from the same material as that of which the remaining reinforcement element is made.
  • a reinforcing element is preferred, which is characterized in that at least one threaded nut is integrated into the reinforcing element.
  • a rivet nut is integrated in the reinforcing element.
  • the at least one Threaded nut is forged into the reinforcing element or to the
  • forged refers to the fact that the at least one threaded nut is at least partially forged with the material of the reinforcing element, thus resulting in a particularly intimate and stable connection between the threaded nut and the reinforcing element, wherein preferably both a material bond and a positive connection
  • the term “forged” is based on the fact that the threaded nut is fastened to the reinforcing element during forging, wherein preferably a positive connection and / or a material connection is realized. With the help of the integrated threaded nut, it is easily possible to have a simple screw connection of a strut, especially one
  • the at least one threaded nut is therefore particularly preferably provided in the attachment area for the strut.
  • a reinforcing element which is characterized in that a side frame for the motor vehicle door at least partially to the
  • Forged reinforcing element or forged at the reinforcing element In this way, a number of components is further reduced because the lateral frame is at least partially provided with the reinforcing element in one piece.
  • the lateral frame is initially provided separately, at least in regions, and connected to the rest of the reinforcing element by forging. In this case, a form and / or a material bond is / are preferably realized. This also creates a one-piece
  • the forged reinforcement element preferably partially or completely replaces the side frame for the motor vehicle door.
  • a reinforcing element which is characterized in that it has a wall thickness of at least 2 mm to at most 5 mm.
  • the wall thickness is designed locally load different.
  • such a thin-walled reinforcing element is provided which comprises only in mechanically higher loaded areas a greater wall thickness, while mechanically less loaded areas are thin-walled. This locally load-bearing design contributes to the concept of lightweight construction.
  • a reinforcing element which is characterized in that it comprises aluminum or an aluminum alloy, in particular a wrought alloy, wherein it preferably consists of one of said materials.
  • Reinforcing element is so light and at the same time formed by the massive forming mechanically highly resilient.
  • the object is also achieved by providing a motor vehicle door with the features of claim 8.
  • This is characterized by a reinforcing element according to one of the embodiments described above. This realizes the advantages that have already been explained in connection with the reinforcing element.
  • the reinforcing element replaces at least partially a lateral frame of the vehicle door, thereby eliminating joining operations and saving space for separate reinforcing components.
  • the object is also achieved by providing a method for producing a reinforcing element according to one of the exemplary embodiments described above for a motor vehicle door.
  • the method is characterized in that the reinforcing element is made of a light metal blank by massive forming, preferably by forging. This realizes the benefits that have already been carried out in connection with the reinforcing element.
  • the reinforcing element is preferably made in one piece from only one light metal blank by massive forming, preferably forging.
  • a method is preferred, which is characterized in that at least one reinforcement region, at least one attachment region and / or at least partially a side frame for the motor vehicle door on the
  • a method is also preferred, which is characterized in that at least one threaded nut, preferably a rivet nut, in the reinforcing element, is integrated.
  • the reinforcing element is at least partially subjected to a heat treatment. It is possible to produce by means of a locally adapted heat treatment, a high-strength light metal component with specifically set, in particular local needs different properties.
  • the reinforcing element is by means of a
  • Hot massive forming method preferably produced by a hot forging method, wherein the method preferably comprises an integrated heat treatment in the hot massive forming.
  • the mechanical properties of the reinforcing element as needed and
  • a method is preferred which is characterized in that the reinforcing element is partially machined mechanically. In particular at interfaces and / or joints to adjacent components of the motor vehicle door or a
  • FIG. 1 shows a reinforcing element according to the prior art
  • Fig. 2 shows an embodiment of a reinforcing element.
  • FIG. 1 shows a region of a motor vehicle door 1, which has a reinforcing element 3.
  • This is made here of a light metal alloy as a deep-drawn or profiled sheet metal component.
  • two reinforcing plates 7 are provided, which are made of steel.
  • the complex shaped reinforcing element 3 can be produced only with great procedural effort. It has a constant wall thickness, which depends on the mechanical
  • Reinforcing plates 7 comprises, is formed in three parts, means an increased logistical effort.
  • FIG. 2 shows an embodiment of a reinforcing element. Identical and functionally identical elements are provided with the same reference numerals, so that reference is made to the preceding description.
  • the reinforcing element 3 is forged in one piece from a light metal blank. In this case, in particular in the region of the only indicated hinges 5 reinforcing regions 9 on the
  • Reinforcement plates 7 made of steel.
  • the reinforcing element 3 has a locally demand-designed wall thickness, wherein mechanically highly stressed areas are thick-walled than mechanically less loaded areas. At the same time it has a mechanical overall
  • Reinforcing element 3 created, which additionally takes into account the lightweight construction that can be dispensed with reinforcing plates 7 made of steel.
  • the reinforcing element 3 is at the same time designed to be lightweight and mechanically highly resilient, it being simple and inexpensive to produce. At the same time, there is a need for assembly and thus a total of ontageierwand for a motor vehicle door having the reinforcing member 3 reduces, which saves production costs. The logistical effort is reduced because of that
  • Reinforcement element 3 is integrally formed, wherein functional areas in the
  • Reinforcement element 3 integrated or forged at this or are forged to this. The same advantages are realized in connection with the motor vehicle door and the method of manufacturing a reinforcing element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

L'invention concerne un élément de renforcement (3) destinée à une portière de véhicule automobile (1), qui comporte un métal léger ou un alliage de métal léger. Selon l'invention, l'élément de renforcement (3) est fabriqué à partir d'un flan de métal léger par formage de pièces massives, de préférence par forgeage.
EP14728448.3A 2013-06-19 2014-05-30 Élément de renforcement de portière de véhicule automobile, portière de véhicule automobile et procédé de fabrication d'un élément de renforcement Withdrawn EP3010740A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013010325.8A DE102013010325A1 (de) 2013-06-19 2013-06-19 Verstärkungselement für eine Kraftfahrzeugtür, Kraftfahrzeugtür und Verfahren zur Herstellung eines Verstärkungselements
PCT/EP2014/001471 WO2014202183A1 (fr) 2013-06-19 2014-05-30 Élément de renforcement de portière de véhicule automobile, portière de véhicule automobile et procédé de fabrication d'un élément de renforcement

Publications (1)

Publication Number Publication Date
EP3010740A1 true EP3010740A1 (fr) 2016-04-27

Family

ID=50896222

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14728448.3A Withdrawn EP3010740A1 (fr) 2013-06-19 2014-05-30 Élément de renforcement de portière de véhicule automobile, portière de véhicule automobile et procédé de fabrication d'un élément de renforcement

Country Status (5)

Country Link
US (1) US9938758B2 (fr)
EP (1) EP3010740A1 (fr)
CN (1) CN105324261B (fr)
DE (1) DE102013010325A1 (fr)
WO (1) WO2014202183A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10232688B2 (en) * 2017-03-22 2019-03-19 Honda Motor Co., Ltd. Vehicle door latch reinforcement assembly
DE102017127905A1 (de) * 2017-11-27 2019-05-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Fahrzeugtüreinrichtung und Verfahren
CN109538049A (zh) * 2018-11-20 2019-03-29 溧阳市力士汽车配件制造有限公司 一种新材料铰链加强板及其生产方法
JP7443944B2 (ja) * 2020-06-10 2024-03-06 マツダ株式会社 車両のサイドドア構造

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DE3734369A1 (de) 1987-10-10 1989-04-20 Audi Ag Scharnieranordnung fuer kraftfahrzeuge
IT1266147B1 (it) * 1994-06-16 1996-12-23 Gammastamp Spa Procedimento pe la fabbricazione di una cerniera per porte di veicoli.
DE19708214C2 (de) * 1997-02-28 1998-08-13 Audi Ag Tragstruktur einer Kraftfahrzeugkarosserie mit Hohlprofilträgern
JP3139984B2 (ja) * 1997-06-06 2001-03-05 株式会社協豊製作所 管状構造部材、車両用ボデーの管状構造部材、およびそのリインフォースメント
DE29713031U1 (de) * 1997-07-23 1998-12-03 Friedr. Fingscheidt GmbH, 42551 Velbert Scharniertürhalter für Fahrzeugtüren
JP3580225B2 (ja) * 2000-06-02 2004-10-20 日産自動車株式会社 車両用ドア構造
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Also Published As

Publication number Publication date
WO2014202183A1 (fr) 2014-12-24
US9938758B2 (en) 2018-04-10
CN105324261A (zh) 2016-02-10
US20160145920A1 (en) 2016-05-26
DE102013010325A1 (de) 2014-12-24
CN105324261B (zh) 2018-01-02

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