EP4412889A1 - Renfort de doublure d'un capot et d'un auvent de véhicule automobile - Google Patents
Renfort de doublure d'un capot et d'un auvent de véhicule automobileInfo
- Publication number
- EP4412889A1 EP4412889A1 EP22789624.8A EP22789624A EP4412889A1 EP 4412889 A1 EP4412889 A1 EP 4412889A1 EP 22789624 A EP22789624 A EP 22789624A EP 4412889 A1 EP4412889 A1 EP 4412889A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- reinforcement
- junction zone
- lining
- longitudinal axis
- 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.)
- Pending
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
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/105—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars
-
- 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
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
- B62D29/005—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material preformed metal and synthetic material elements being joined together, e.g. by adhesives
Definitions
- the present invention relates to a bonnet for a motor vehicle comprising a lining reinforcement.
- a bonnet for a motor vehicle consists of an outer panel superimposed on an inner panel, the inner panel being intended to be vis-à-vis the engine compartment of the motor vehicle.
- a lining is glued and/or crimped at the level of the periphery of the outer panel.
- Wedging studs generally made of low-strength mastic, provide a connection between the outer panel and the lining on the rest of the surface of the inner panel.
- the mechanical reinforcements also called lining reinforcements, are in particular positioned at the hinges of the hood.
- the lining reinforcements are absent from a zone bordering the scuttle grille joint, referred to as the "interface zone" in the description which go follow.
- This interface zone is therefore sensitive to the phenomenon of air flow at the surface of the cover. In driving conditions, the interface zone may begin to vibrate and cause auditory discomfort for the occupants of the motor vehicle.
- the invention aims to solve this problem of vibration, in a driving situation, of a zone bordering the cowl grille seal of a bonnet of a motor vehicle.
- the subject of the invention is a lining reinforcement for a motor vehicle bonnet, comprising a first part linked to a second part via a junction zone.
- the invention is remarkable in that the means for fixing to a motor vehicle bonnet lining are present only at the level of the first part and the second part of the lining reinforcement, and the junction zone extends along the along a longitudinal axis and the junction zone is able to deform elastically to allow the pivoting of the first part, around an axis of rotation perpendicular or substantially perpendicular to said longitudinal axis.
- the junction zone makes it possible to mechanically link two bonnet lining reinforcements, positioned on either side of a cowl grille seal, without it being necessary to weld or good to clincher a mechanical reinforcement on the grid joint.
- the hood and the cowl of a motor vehicle can be mechanically reinforced by means of the same lining reinforcement, closest to a zone bordering the cowl grille joint also called interface zone .
- the invention offers an economical and easy-to-implement solution for limiting the vibration of the awning when driving.
- the length of the junction zone is between 2 cm and 15 cm, preferably between 5 cm and 10 cm.
- the width of the junction zone measured perpendicular to the longitudinal axis, is between 2 cm and 10 cm, preferably between 3 cm and 6 cm.
- the thickness of the junction zone is between 1 cm and 3 cm, preferably between 1.5 cm and 2 cm.
- the junction zone is made from a synthetic polymer.
- the junction zone comprises an extra thickness which extends parallel or substantially parallel to the longitudinal axis.
- the invention also relates to a motor vehicle comprising a lining reinforcement as described above, comprising a first part of the lining reinforcement fixed to a lining of the hood of the motor vehicle, and a second part of the reinforcement fixed to the motor vehicle cowl.
- the junction zone spans a grille joint of the awning.
- the junction zone extends along a longitudinal axis, the longitudinal axis being perpendicular or substantially perpendicular to the cowl grille joint at the level of the spanned cowl grille joint through the junction area.
- the first part of the lining reinforcement is fixed at the level of a bonnet hinge.
- FIG. 1 shows a perspective and partial view of a motor vehicle comprising a lining reinforcement according to the invention, a first part of which is fixed to the hood of the motor vehicle and a second part is fixed to the cowl of said vehicle.
- the invention proposes a lining reinforcement making it possible to attenuate the vibrations, in a driving situation, at the level of a zone bordering on the sealing joint of a cowl grille of a motor vehicle. .
- a lining reinforcement 2 according to the invention consists of a first part 4 linked to a second part 6 via a junction zone 8.
- the first part 4, the second part 6 and the junction zone 8 are made from the same material, such as a synthetic polymer.
- the first part 4 and the second part 6 comprise means 10 for fixing the lining reinforcement to a support of the hood lining type and/or hood for a motor vehicle.
- the fastening means consist of appendages, each comprising a free end intended to be inserted into a housing provided for this purpose, in a bonnet or in a motor vehicle cowl.
- the fastening means 10 allow, by a clinching technique, the maintenance of the first part 4 of the lining reinforcement 2 against a hood lining 12, and the maintenance of the second part 6 against a canopy 14 of a motor vehicle.
- the first part 4 also includes passages allowing the insertion of fixing screws 16 holding a hinge to the cover 18.
- the first part 4 of the lining reinforcement is held to the cover at the level of a hinge.
- the first part 4 and the second part 6 of the lining reinforcement are linked by the junction zone 8.
- the junction zone extends along a direction along a longitudinal axis AA ', over a length of between 2 cm and 15 cm, preferably between 5 cm and 10 cm.
- the width of the junction zone 8, measured perpendicular to the longitudinal axis is between 2 cm and 10 cm, preferably between 3 cm and 6 cm.
- the thickness of the junction zone is between 1 cm and 3 cm, preferably between 1.5 cm and 2 cm.
- the junction zone comprises an extra thickness 20 which extends parallel or substantially parallel to the longitudinal axis AA'.
- the lining reinforcement is arranged so that the junction zone 8 spans a grid joint 22 of the canopy 14 and allows the pivoting of the first part relative to the second part, so that the parts are integral by through the junction zone, when the cover is open or closed.
- the hood and the cowl of a motor vehicle can be mechanically reinforced by means of the same lining reinforcement, as close as possible to a zone bordering the cowl grille joint.
- the invention offers an economical and easy-to-implement solution for limiting the vibration of the awning when driving.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Superstructure Of Vehicle (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2110536A FR3127743B1 (fr) | 2021-10-05 | 2021-10-05 | Renfort de doublure d’un capot et d’un auvent de véhicule automobile |
| PCT/FR2022/051691 WO2023057697A1 (fr) | 2021-10-05 | 2022-09-07 | Renfort de doublure d'un capot et d'un auvent de véhicule automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4412889A1 true EP4412889A1 (fr) | 2024-08-14 |
Family
ID=78332991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22789624.8A Pending EP4412889A1 (fr) | 2021-10-05 | 2022-09-07 | Renfort de doublure d'un capot et d'un auvent de véhicule automobile |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4412889A1 (fr) |
| FR (1) | FR3127743B1 (fr) |
| WO (1) | WO2023057697A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2026022423A2 (fr) | 2024-07-26 | 2026-01-29 | Tilt Biotherapeutics Oy | Polythérapie par virus oncolytique avec compositions ciblant le microbiome |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2110536A5 (fr) | 1970-10-21 | 1972-06-02 | Bousquet Ernest | |
| JP3498511B2 (ja) * | 1997-01-17 | 2004-02-16 | 日産自動車株式会社 | 自動車の開閉体 |
| DE102009020087A1 (de) * | 2009-05-06 | 2010-11-11 | Volkswagen Ag | Frontklappe für Kraftfahrzeuge |
| FR3010028B1 (fr) * | 2013-09-03 | 2017-04-21 | Peugeot Citroen Automobiles Sa | Capot avant de vehicule automobile comportant entre sa peau et sa doublure des moyens pour absorber l'energie d'un choc du type choc pieton |
-
2021
- 2021-10-05 FR FR2110536A patent/FR3127743B1/fr active Active
-
2022
- 2022-09-07 EP EP22789624.8A patent/EP4412889A1/fr active Pending
- 2022-09-07 WO PCT/FR2022/051691 patent/WO2023057697A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR3127743A1 (fr) | 2023-04-07 |
| FR3127743B1 (fr) | 2025-12-19 |
| WO2023057697A1 (fr) | 2023-04-13 |
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Legal Events
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 17P | Request for examination filed |
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| AK | Designated contracting states |
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| DAX | Request for extension of the european patent (deleted) | ||
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