EP3086977A1 - Corps composite et coque de siège - Google Patents

Corps composite et coque de siège

Info

Publication number
EP3086977A1
EP3086977A1 EP14824474.2A EP14824474A EP3086977A1 EP 3086977 A1 EP3086977 A1 EP 3086977A1 EP 14824474 A EP14824474 A EP 14824474A EP 3086977 A1 EP3086977 A1 EP 3086977A1
Authority
EP
European Patent Office
Prior art keywords
composite body
outer layers
layer
material thickness
motor vehicle
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Withdrawn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
EP14824474.2A
Other languages
German (de)
English (en)
Inventor
Bernd Zimmerbeutel
Nils Magnus
Marian Stepankowsky
Guido Kunz
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.)
Adient Luxembourg Holding SARL
Original Assignee
Johnson Controls GmbH
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 Johnson Controls GmbH filed Critical Johnson Controls GmbH
Publication of EP3086977A1 publication Critical patent/EP3086977A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/686—Panel like structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/106—Anti-corrosive paints containing metal dust containing Zn
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/003—Interior finishings

Definitions

  • the invention relates to a composite body for the production of motor vehicle seats and motor vehicle components, with
  • the invention relates to a seat shell.
  • WO 2010/003842 AI discloses a vehicle support structure of a arranged between metal plates core material made of an impact-resistant, thermoplastic material.
  • large-area lightweight components such as body parts and seat shell are produced as composite bodies comprising fiber composite plastics.
  • composite bodies comprising fiber composite plastics.
  • components made of a sheet metal for example of steel, aluminum or magnesium
  • composites offer the advantages that a lower weight can be achieved.
  • the production of such a composite body is usually carried out by applying and bonding a plurality of mutually arranged material layers, which leads disadvantageously to a large production cost and high production costs.
  • the invention is therefore based on the object to provide a composite body for the production of motor vehicle seat and motor vehicle components, which is inexpensive to manufacture in a particularly simple manner, while having a high dimensional stability and rigidity, particularly well withstands mechanical loads and has a particularly low weight. Furthermore, the invention has for its object to provide an improved seat.
  • the object is achieved by a composite body according to claim 1.
  • the object is achieved by the features specified in claim 12 features.
  • Motor vehicle components comprises a central layer and outside layers arranged on the middle layer, the middle layer being made of a plastic material and the outer layers being formed of a metal sheet.
  • the two-sided arrangement of outer layers of sheet metal on a central layer of plastic allows a particularly easy production of a three-dimensional composite body, for example by deep drawing or pressing, which can be carried out particularly advantageously in a single step.
  • the two-sided arrangement each of an outer layer of sheet metal leads both to a high dimensional stability, as well as to a good mechanical strength, in particular the surface of the composite body.
  • the central layer formed of plastic, it is possible in a particularly advantageous manner to reduce a dead weight of the middle layer and thus a total weight of the composite.
  • sandwich construction wherein the central layer is coated on both sides, each with an outer layer, the dimensional stability, in particular a bending and tensile rigidity, at least largely be maintained.
  • a composite body is basically understood any three-dimensional body, which is formed essentially of a composite material.
  • Composite body is a component for a motor vehicle, in particular for a kraitiahrzeugsitz, which is preferably formed substantially in one piece. These may be both large-area parts of the body, for example a tailgate structure, a hood or a door module, as well as structures built inside the vehicle, for example a vehicle seat component, a seat pan and a cover or shelf.
  • outer layers are basically understood those layers of material of the composite body, which form the essential parts of the outer surface.
  • the outer layers preferably extend substantially over the entire surface over the entire composite body.
  • the outer layers are to be understood as cover layers and / or cover layers, which are formed from a metal, in particular steel and / or aluminum, and / or a fiber composite plastic, so that the dimensional stability, in particular the tensile and / or bending stiffness can be ensured.
  • the sheet can be formed over its entire thickness of a single material or have a layer structure.
  • one or both surfaces of one or each of the two outer layers can have one or more coatings arranged one above the other, for example for corrosion protection or for improving the bond with the middle layer.
  • Such a middle layer is also to be understood as a core layer, which is connected in particular tensile and shear resistant with the two outer layers, so that a common supporting effect of the composite is achieved.
  • the central position is basically the area of the composite body bounded by both outer layers.
  • the connection of the middle layer with the outer layers can initially be done in any way. Preferably, the connection is made by pressing and / or gluing.
  • the middle layer can be formed both homogeneously from a single material, as well as have a layer structure.
  • the middle layer is formed from a plastic material, which is particularly preferably substantially homogeneous in all spatial directions.
  • the plastic material may in principle be any plastic material which may contain any further additives, such as a fiber reinforcement or a filling material. Also conceivable are material mixtures in which a plastic as an essential component, for example as a binder, is included.
  • the central layer is formed homogeneously from a single plastic.
  • plastic is understood here to mean firstly any polymer and also a substance formed by polymerization, it being possible for the monomers to be of both natural and synthetic origin. Basically, the use of a single monomer, as well as several different monomers is conceivable that can form any co-polymer. Furthermore, it may be both a chain, as well as a branched polymer.
  • the composite body is dimensionally stable, in particular bending and / or tensile stiff, formed, wherein the central layer is coated on both sides with a respective outer layer.
  • the joint bearing effect leads to an improvement in dimensional stability, with stresses and / or stresses being distributed and compensated for as far as possible uniformly over the two outer layers and the middle layer of the composite.
  • an improvement in the service life and / or durability and / or stability of the motor vehicle components designed as composite bodies is achieved by means of this dimensionally stable arrangement.
  • the plastic material is a thermoplastic material, in particular a thermoplastic copolymer, whereby a particularly simple and cost-effective production of the central position of the composite body is made possible and at the same time improved heating can be achieved by heating the composite body.
  • the plastic material is a viscoelastic plastic, which on the one hand is an improved deformability of the material for the production of the composite body and on the other in a particularly simple manner the material properties of the composite body, in particular its rigidity and its ability to absorb vibrations, can be adjusted.
  • one or both outer layers are formed from a steel sheet, which on the one hand enables a particularly cost-effective production and on the other hand, even at low material thicknesses of the sheets of outer layers a high shape stability of the composite body is achieved.
  • the material thickness of the sheet adapted to the respective requirements of the finished composite, can be chosen arbitrarily.
  • the sheet has a material thickness of 0, 1-1.5 mm, preferably from 0, 15-0, 5 mm and particularly preferably from 0, 2-0, 3 mm, wherein advantageously at the same time a high dimensional stability and a low total weight of the composite can be achieved.
  • the middle layer of the composite body can also have any desired layer thickness.
  • the material thickness of the middle layer is between 0, 02 and 1.5 mm, preferably between 0, 1 and 1 mm and more preferably between 0, 2 and 0, 5 mm.
  • one or both outer layers and / or the core layer over its entire surface on a substantially constant material thickness, whereby all areas of the composite body approximately the same material properties, in particular have a constant stability and rigidity.
  • the material thickness of the composite is between 0, 25 and 2 mm, preferably between 0, 5 and 1.5 mm and more preferably between 0, 6 and 1 mm.
  • the two outer layers of the composite body differing material thicknesses, wherein the difference of the material thicknesses of both outer layers is preferably between 10-30% and more preferably between 15 25%.
  • one or both of the sheets have an externally arranged corrosion protection layer, in particular a zinc coating, whereby a long-lasting and effective corrosion protection of the composite body is achieved.
  • individual regions, in particular edge regions, of the composite body are formed by folding, in particular roll folds, whereby on the one hand increased stability is achieved and on the other hand the risk of injury is reduced by sharp edges, particularly in the edge regions.
  • a seat shell of a motor vehicle seat is made of such a composite body, wherein the seat is inexpensive to manufacture in a particularly simple manner and also has a high dimensional stability and rigidity and particularly well withstands mechanical loads and has a particularly low weight.
  • a first embodiment of the invention relates to a one-piece seat shell for a motor vehicle seat, which is formed as a composite body of a composite material in sandwich construction.
  • the composite body has a central layer of a thermoplastic copolymer as well as on both sides outside of the central layer arranged outer layers, which are each formed of a galvanized steel cover plate.
  • the middle layer has a material thickness of 0, 4 mm, while both outer layers each have a material thickness of 0, 2 mm. This results in a symmetrical Structure of the material of the composite orthogonal to its surface, wherein the composite body over its entire surface has a substantially constant material thickness of 0, 8 mm. Due to its structure, the composite body is characterized by a very high flexural rigidity.
  • the middle layer is connected to each of the two outer layers by adhesive bonding.
  • the arrangement of a middle layer between the two outer layers leads to a compact sheet on the one hand to a desirable weight reduction, on the other to structure-borne sound damping properties and improved elastic behavior of the composite.
  • a second embodiment of the invention relates to a seat or cushion bowl for a
  • the middle layer has a material thickness of 0, 6 mm and is constructed homogeneously from a thermoplastic co-polymer.
  • a first outer layer of the composite body has a material thickness of 0.2 mm, while a second outer layer, arranged opposite the first outer layer on the opposite side of the middle layer, has a material thickness of 0.25 mm.
  • a third embodiment of the invention relates to an integrally formed as a composite engine hood.
  • the composite body has a central layer of a permanently viscoelastic polymer with a layer thickness of 0.05 mm.
  • an outer layer of steel cover sheets is arranged, which have a material thickness of 0, 8 mm.
  • the arrangement of such a middle layer between the cover plates leads to an optimized structure-borne sound attenuation and airborne sound insulation and thus to an improvement of the vehicle acoustics with at the same time high stability of the composite body.
  • 1A is a schematic perspective view of a seat formed as a composite seat of a motor vehicle seat
  • FIG. 1B schematically shows a sectional view of the composite body in a first embodiment
  • FIG. 2A schematically shows a perspective view of a seat formed as a composite seat of a motor vehicle seat
  • 2B is a sectional view of the composite body in a second embodiment
  • Fig. 3A schematically shows a perspective view of a motor vehicle hood formed as a composite body
  • Fig. 3B schematically shows a sectional view of the composite body in a third embodiment.
  • FIGS. 1A and 2A each show, in a perspective view, a seat shell 2 or cushion shell of a motor vehicle seat of a motor vehicle, not shown in detail, in the form of a composite body 1.
  • FIG. 1B shows a sectional view of the composite body 1 in a first embodiment.
  • the composite body 1 comprises a center layer 1.3 coated inside and outside with an outer layer 1.1, 1.2, wherein the outer layer 1.1, 1.2 is formed of a metal, in particular a galvanized steel cover plate, and the middle layer 1.3 is made of a plastic, in particular thermoplastic co-polymer ,
  • the composite body 1 has a so-called sandwich construction, wherein the central layer 1.3, in particular a Core layer, both sides each material, force and / or positive, in particular tensile and shear resistant, each with an outer layer 1.1, 1.2 is connected.
  • the middle layer 1.3 has a material thickness of 0, 4 mm and the outer layers 1.1, 1.2 each have a material thickness of 0, 2 mm, wherein a material structure of the composite body 1 is orthogonal to its surface symmetrical.
  • a material thickness, in particular a material thickness of 0.8 mm, is substantially constant over an entire surface of the composite body 1.
  • outer edges of the composite body 1 are each reshaped, for example, by folding or crimping, so that a reinforced edge region is formed.
  • FIG. 2B shows a sectional view of the composite body 1 in a second embodiment, wherein the composite body 1 is illustrated in accordance with the exemplary embodiment described in FIG. 1B.
  • the material structure of the composite body 1 is formed asymmetrically orthogonal to its surface.
  • a first outer layer 1.1 has a material thickness of 0.2 mm and a second outer layer 1.2 opposite the first outer layer 1.1 has a material thickness of 0.25 mm.
  • the center layer is 1.3 with a material thickness of 0, 6 mm.
  • FIG. 3A shows a perspective view of a motor hood 3 designed as a composite body 1
  • FIG. 3B showing a sectional view of the composite body 1 in a third embodiment.
  • the middle layer 1.3 is formed from a permanently viscoelastic polymer and has a layer thickness of 0.05 mm, wherein the outer layers 1.1, 1.2 resting against the center layer 1.3 on both sides are formed from steel cover plates and have a material thickness of 0.8 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un corps composite (1) servant à produire des sièges de véhicule automobile et des éléments structuraux de véhicule automobile. Ledit corps composite (1) est pourvu d'une couche centrale (1.3) et de couches extérieures (1.1, 1.2) agencées sur la face extérieure de la couche centrale (1.3). L'objet de l'invention est de fournir un corps composite (1) servant à produire un siège de véhicule automobile et des éléments structuraux de véhicule automobile, lequel corps peut être produit d'une manière particulièrement simple et peu onéreuse, présente une indéformabilité et une rigidité élevée, résiste particulièrement bien à des sollicitations mécaniques et présente un poids propre particulièrement faible. Cet objectif est atteint par le fait que la couche centrale (1.3) se compose d'une matière plastique et que les couches extérieures (1.1, 1.2) se composent d'une tôle.
EP14824474.2A 2013-12-27 2014-12-22 Corps composite et coque de siège Withdrawn EP3086977A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013114885.9A DE102013114885A1 (de) 2013-12-27 2013-12-27 Verbundkörper
PCT/EP2014/079003 WO2015097155A1 (fr) 2013-12-27 2014-12-22 Corps composite et coque de siège

Publications (1)

Publication Number Publication Date
EP3086977A1 true EP3086977A1 (fr) 2016-11-02

Family

ID=52292919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14824474.2A Withdrawn EP3086977A1 (fr) 2013-12-27 2014-12-22 Corps composite et coque de siège

Country Status (5)

Country Link
US (1) US20160318432A1 (fr)
EP (1) EP3086977A1 (fr)
CN (1) CN105848966A (fr)
DE (1) DE102013114885A1 (fr)
WO (1) WO2015097155A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101616634B1 (ko) * 2014-09-24 2016-04-29 (주)엘지하우시스 시트백 프레임, 이의 제조방법 및 차량용 시트백
WO2020204877A1 (fr) * 2019-03-29 2020-10-08 Safran Seats Usa Llc Plateau inférieur articulé à panneau en sandwich plat

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100040902A1 (en) * 2008-08-18 2010-02-18 Productive Research LLC. Formable light weight composites

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DE1808077A1 (de) * 1968-11-09 1970-06-11 Metallgesellschaft Ag Verfahren zur Herstellung von Leichtverbundkoerpern
CH623523A5 (en) * 1977-09-09 1981-06-15 Alusuisse Shell for a seat device, in particular for a vehicle seat
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US20100040902A1 (en) * 2008-08-18 2010-02-18 Productive Research LLC. Formable light weight composites

Also Published As

Publication number Publication date
DE102013114885A1 (de) 2015-07-02
CN105848966A (zh) 2016-08-10
US20160318432A1 (en) 2016-11-03
WO2015097155A1 (fr) 2015-07-02

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