WO2005113321A1 - Structure de plancher pour un vehicule automobile - Google Patents

Structure de plancher pour un vehicule automobile Download PDF

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Publication number
WO2005113321A1
WO2005113321A1 PCT/EP2005/005162 EP2005005162W WO2005113321A1 WO 2005113321 A1 WO2005113321 A1 WO 2005113321A1 EP 2005005162 W EP2005005162 W EP 2005005162W WO 2005113321 A1 WO2005113321 A1 WO 2005113321A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor vehicle
intermediate layer
floor structure
base plate
vehicle according
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/EP2005/005162
Other languages
German (de)
English (en)
Inventor
Ingo Busch
Jürgen KNOTHE
Manuela Schwaer
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
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to JP2007517036A priority Critical patent/JP2007537915A/ja
Publication of WO2005113321A1 publication Critical patent/WO2005113321A1/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
    • B62D25/20—Floors or bottom sub-units
    • B62D25/2072—Floor protection, e.g. from corrosion or scratching
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D35/00—Vehicle bodies characterised by streamlining
    • B62D35/02—Streamlining the undersurfaces
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

Definitions

  • the invention relates to a floor structure of a motor vehicle according to the preamble of patent claim 1.
  • a floor structure of a motor vehicle in which a double-walled underbody paneling is formed below a floor plate. It is provided that cavities are formed between the base plate and the underbody paneling by welding.
  • the underbody paneling is provided with resonator elements that form an integrated sound absorber. The resonator elements are arranged in regions of the base plate which are to be particularly insulated in terms of sound.
  • the sound-absorbing property of the floor structure can thus be influenced in a simple manner. Furthermore, the formation of the circumferential sealing or adhesive seam with which the intermediate layer is fastened to the base plate, or the adhesive film for the full-surface bonding of the intermediate layer to the base plate, prevents the entry of dirt and moisture between the base plate and the intermediate layer.
  • the intermediate layer and optionally the adhesive film through the intermediate layer and optionally the adhesive film, other acoustically effective components, such as floor coverings arranged in the vehicle interior or (structure-borne noise) damping films, can be made thinner or omitted, so that the vehicle interior can be enlarged. It is an additional advantage that the intermediate layer and the sealing or adhesive seam or the adhesive film also reduce rattling noises between the base plate and the underbody paneling.
  • the intermediate layer is sound-absorbing, so that rolling and wind noise in the interior can be reduced.
  • All airborne sound absorbers are suitable as sound-absorbing intermediate layers, since they can be welded in. Therefore, for example, an air cushion film can be used, which absorbs corresponding frequencies depending on the size of the air cushion.
  • a synthetic fleece in particular a polyester fleece, or mixed fiber fleece, i.e. with wool and cotton, or acoustically effective foam on the basis of PUR, polyester, polyether or melamine resin, which can be inserted into the cavities in an appropriately tailored size.
  • polyester fleece or the polyester foam is additionally provided with a film covering, additional cavities can be formed which act as an airborne sound insulation layer.
  • the adhesive film can be designed as a damping-active film, which also contributes to sound absorption.
  • Fig. 1 shows a cross section through a first embodiment of a floor structure of a motor vehicle according to the invention
  • Fig. 2 shows a cross section through a second embodiment of a floor structure of a motor vehicle according to the invention.
  • a base plate 1 is shown schematically.
  • the base plate 1 is divided by a vehicle tunnel 2 into two sections 3 and 4.
  • the two sections are divided by a vehicle tunnel 2 into two sections 3 and 4. The two sections
  • an underbody paneling 7 and 8 is attached. This attachment can be done for example by welding, but also by screwing.
  • a cavity 9 or 10 is formed between the underside of the base plate 1 and the respective underbody cladding 7 or 8, which is filled by an intermediate layer 11 or 12.
  • the intermediate layer 11 or 12 is connected to the base plate 1 by means of a sealing or adhesive seam 13 running around its edge area.
  • the sealing or adhesive seam 13 can be a butyl cord, for example.
  • the intermediate layer 11 or 12 are all airborne sound absorbers that can be welded in, in particular it can be designed as an air cushion film that is left out at the fastening points.
  • a synthetic nonwoven in particular a polyester nonwoven, a mixed fiber nonwoven, ie with wool and cotton, or an acoustically active foam based on PUR, polyester, polyether or melamine resin or one of those listed above can be used as intermediate layer 11 or 12
  • the intermediate layer 11 or 12 is preferably designed such that a recess or embossing / welding edge is provided, into which the sealing or adhesive seam 13 is introduced, so that contact between the intermediate layer 11 or 12 is ensured, which leads to even better sound absorption properties.
  • a significant improvement in sound absorption can take place and at the same time serve as a “spring” in the spring-mass system of the overall structure.
  • FIG. 2 elements corresponding to elements in FIG. 1 are designated with the same reference symbols. In the following, only the differences of the second exemplary embodiment compared to the first exemplary embodiment will be discussed in more detail.
  • the second exemplary embodiment of the invention differs from the first exemplary embodiment in that, instead of the sealing or adhesive seam 13, a hydrophobic film 14 is now introduced between the base plate 1 and the intermediate layer 11 or 12, which is at least areally connected to the base plate 1. A film coated on one side or on both sides or self-adhesive film is used as film 14.
  • the film 14 Due to the full-surface gluing of the film 14 at least to the base plate 1, penetration of moisture and Dirt between the intermediate layer 11 or 12 and the base plate 1 is completely prevented or, in the case of one-sided full-surface bonding to the base plate 1, prevents moisture and dirt from coming into contact with the base plate 1. This prevents corrosion in both cases.
  • the film 14 can be designed in such a way that it is designed as a multilayer film for damping structure-borne noise. Such films are known.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

L'invention concerne une structure de plancher pour un véhicule automobile, comprenant un panneau de plancher (1) et un revêtement de dessous de caisse (7, 8) placé sous le panneau de plancher (1). Selon la présente invention, une couche intermédiaire insonorisante (11, 12) est appliquée dans une cavité (9, 10) ménagée entre le panneau de plancher (1) et le revêtement de dessous de caisse (7, 8). Cette couche intermédiaire (11, 12) est collée au panneau de plancher par un joint de colle ou d'étanchéité (13). De manière alternative, une pellicule hydrophobe, liée sur toute sa surface au panneau de plancher, peut être appliquée entre la couche intermédiaire et le panneau de plancher. On obtient ainsi une structure de plancher insonorisante de fabrication économique, dont le panneau de plancher (1) est protégé contre la pénétration d'humidité et de poussières dans sa zone insonorisante.
PCT/EP2005/005162 2004-05-21 2005-05-12 Structure de plancher pour un vehicule automobile Ceased WO2005113321A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007517036A JP2007537915A (ja) 2004-05-21 2005-05-12 自動車のフロア構造

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004024984.9 2004-05-21
DE102004024984A DE102004024984A1 (de) 2004-05-21 2004-05-21 Bodenstruktur eines Kraftfahrzeugs

Publications (1)

Publication Number Publication Date
WO2005113321A1 true WO2005113321A1 (fr) 2005-12-01

Family

ID=34967223

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/005162 Ceased WO2005113321A1 (fr) 2004-05-21 2005-05-12 Structure de plancher pour un vehicule automobile

Country Status (3)

Country Link
JP (1) JP2007537915A (fr)
DE (1) DE102004024984A1 (fr)
WO (1) WO2005113321A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897586A1 (fr) * 2006-02-23 2007-08-24 Plastic Omnium Cie Plancher en matiere plastique et en elastomere de vehicule automobile
WO2016042153A1 (fr) * 2014-09-18 2016-03-24 Faurecia Bloc Avant Plancher composite, véhicule comportant un tel plancher, procédé de fabrication du plancher, procédé de fabrication du véhicule
US10077011B1 (en) 2017-05-09 2018-09-18 Ford Global Technologies, Llc Vehicle underbody acoustic panels

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6066104B2 (ja) * 2014-03-18 2017-01-25 マツダ株式会社 車両用パネル構造
DE102015014410A1 (de) 2015-11-06 2016-05-12 Daimler Ag Bauteil für ein Kraftfahrzeug, Kraftfahrzeug mit einem solchen Bauteil sowie Verfahren zur Herstellung eines solchen Bauteils

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4412427A1 (de) * 1993-04-19 1994-10-20 Nissan Motor Fahrzeug-Schallisolator
US5849122A (en) * 1987-11-02 1998-12-15 Honda Giken Kogyo Kabushiki Kaisa Method of fabricating vehicle body panel having honeycomb sandwich structure
DE10157838A1 (de) 2001-04-20 2002-10-24 Illbruck Gmbh Unterbodenverkleidung
WO2003045764A1 (fr) * 2001-11-14 2003-06-05 Enno Roggemann Gmbh & Co. Kg Module de plancher conçu pour un vehicule

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5849122A (en) * 1987-11-02 1998-12-15 Honda Giken Kogyo Kabushiki Kaisa Method of fabricating vehicle body panel having honeycomb sandwich structure
DE4412427A1 (de) * 1993-04-19 1994-10-20 Nissan Motor Fahrzeug-Schallisolator
DE10157838A1 (de) 2001-04-20 2002-10-24 Illbruck Gmbh Unterbodenverkleidung
WO2003045764A1 (fr) * 2001-11-14 2003-06-05 Enno Roggemann Gmbh & Co. Kg Module de plancher conçu pour un vehicule

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897586A1 (fr) * 2006-02-23 2007-08-24 Plastic Omnium Cie Plancher en matiere plastique et en elastomere de vehicule automobile
EP1826105A1 (fr) * 2006-02-23 2007-08-29 Compagnie Plastic Omnium Plancher en matière plastique et en élastomère de véhicule automobile
WO2016042153A1 (fr) * 2014-09-18 2016-03-24 Faurecia Bloc Avant Plancher composite, véhicule comportant un tel plancher, procédé de fabrication du plancher, procédé de fabrication du véhicule
FR3026080A1 (fr) * 2014-09-18 2016-03-25 Faurecia Bloc Avant Plancher composite, vehicule comportant un tel plancher, procede de fabrication du plancher, procede de fabrication du vehicule
CN107107969A (zh) * 2014-09-18 2017-08-29 汽车外饰欧洲公司 复合地板、包含这种地板的车辆、该地板的制造方法和该车辆的制造方法
CN107107969B (zh) * 2014-09-18 2019-07-19 汽车外饰欧洲公司 复合地板、包含这种地板的车辆、该地板的制造方法和该车辆的制造方法
US10077011B1 (en) 2017-05-09 2018-09-18 Ford Global Technologies, Llc Vehicle underbody acoustic panels

Also Published As

Publication number Publication date
JP2007537915A (ja) 2007-12-27
DE102004024984A1 (de) 2005-12-15

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