EP3717829B1 - Karosserieteil mit einem optischen element, das durch elastische verriegelung aufgebracht wird - Google Patents

Karosserieteil mit einem optischen element, das durch elastische verriegelung aufgebracht wird Download PDF

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Publication number
EP3717829B1
EP3717829B1 EP18811537.2A EP18811537A EP3717829B1 EP 3717829 B1 EP3717829 B1 EP 3717829B1 EP 18811537 A EP18811537 A EP 18811537A EP 3717829 B1 EP3717829 B1 EP 3717829B1
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EP
European Patent Office
Prior art keywords
optical element
wall
shoulder
slot
bodywork
Prior art date
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Active
Application number
EP18811537.2A
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English (en)
French (fr)
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EP3717829A1 (de
Inventor
Bertrand Hache
Stéphane GUILLIER
Issam KHAYAT
Aurélie HERNANDEZ
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.)
Plastic Omnium SE
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Plastic Omnium SE
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Publication date
Application filed by Plastic Omnium SE filed Critical Plastic Omnium SE
Publication of EP3717829A1 publication Critical patent/EP3717829A1/de
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Publication of EP3717829B1 publication Critical patent/EP3717829B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/27—Attachment thereof

Definitions

  • the invention relates to the field of the automotive industry, and more particularly to a motor vehicle body part comprising an optical element.
  • Elements attached to a bodywork part are known, the purpose of which is in particular to enhance a line or underline a shape with the aim of reinforcing the image that the manufacturer wishes to associate with his vehicle model.
  • the chrome strips running along the side of the vehicle, the underbody protections, the brand logo, the door handle trims, the mirror shells are those style parts whose design is the subject of particular care on the part of the designers of the vehicle.
  • all parts of the body visible from the outside and participating in the general appearance of the vehicle, such as a door, a bumper, a grille, can also be considered as body parts or style parts. falling within the scope of the invention.
  • optical elements comprise light sources placed directly under the transparent surface.
  • luminous devices comprising light sources arranged in cavities made in a diffusing body. When the light source is turned on, the light passes through the transparent element and the entire element is illuminated.
  • the document WO2009123942.A1 discloses a motor vehicle body part according to the preamble of claim 1.
  • the object of the invention is to overcome the drawbacks mentioned above, by providing a motor vehicle body part provided with a flexible and transparent optical element capable of to be fitted in full skin of a large bodywork part, without play or flush.
  • the invention relates to a motor vehicle body part according to claim 1.
  • the part according to the invention thus allows assembly in full skin of the bodywork, without play or flush. Thanks to the flexibility of the optical element, it is possible to follow the curve of the bodywork part more easily.
  • the part according to the invention also makes it possible to retain the absorption characteristics of plastic bodywork parts without adding stiffness due to a stack of plastic parts.
  • the body part 10 comprises a wall 20 having an outer face 22 and an inner face 24.
  • the outer face 22 is visible from outside the vehicle when the part 10 is mounted on a vehicle, unlike the inner face, directed towards inside the vehicle.
  • the wall 20 comprises at least one slot 30.
  • the slot 30 may be "full skin", that is to say that the slot 30 does not come into contact with one of the edges of the part 10.
  • Part 10 also comprises an optical element 40.
  • the optical element is an element capable of transmitting light from the internal face 24 to the external face 22 of the wall 20, that is to say towards the outside of the vehicle. when part 10 is mounted on a vehicle.
  • the picture 2 illustrates a motor vehicle comprising several body parts 10 according to the invention, each part comprising an optical element 40.
  • the body part can be a roof, a hood, a door, a bumper, but it could also be a tailgate for example.
  • the optical element 40 is provided with a body 50 attached to the slot 30 by elastic interlocking, in particular of the clip type.
  • the casing is sealed.
  • Elastic fitting is a method of assembly where the elements are deformed during introduction.
  • the optical element 40 comprises at least one part 60 of transparent or translucent material capable of transmitting light from the inner face 24 to the outer face 22 of the wall 20.
  • the plastic element is made in one piece , in transparent or translucent material.
  • the transparent or translucent material has the ability to diffuse the light, in order to distribute it over the entire outer surface of the optical element, and also to avoid hot spots.
  • Such an embodiment is illustrated in the figure 8 , over which the angle ⁇ indicates the opening angle of the diffusion.
  • Such a diffusion can be obtained by adding fillers making it possible to diffract the light in the plastic material of the part 60.
  • the body 50 can also have a funnel shape.
  • the optical element 40 has a flexibility capable of enabling it to follow the curve of the part 10.
  • a large body part (length greater than 800 mm), and having a thickness of approximately 3 mm, generally comprises a curve.
  • a slender element is an elongated and thin member.
  • the optical element is a member having a length greater than 100mm, a width less than 25mm (preferably between 5 and 10mm), and a thickness between 1.5 mm and 5mm .
  • the assembly of the optical element 40 slender and of small section, on the part 10, is made possible thanks to the flexibility of the optical element 40 which conforms to the part 10 which accommodates it.
  • the optical element 40 according to the invention has a flexibility capable of enabling it to follow the curve of the part 10, even if the latter is large and has an elongated slot which is also large.
  • the optical element 40 has a flexibility capable of following a radius of curvature of the bodywork part.
  • Such flexibility can be obtained by making the optical element 40 out of polycarbonate mixed with an additive of elastomer type, such as TPU.
  • Such flexibility can also be obtained by making the optical element 40 in transparent polypropylene.
  • the optical element 40 according to the invention is perfectly suited for slender slots 30.
  • the body 50 comprises a surface forming a shoulder 52 in contact with the outer face 22 of the wall 20.
  • the shoulder 52 is preferably continuous over the entire periphery of the body 50 on the side of the outer face 22 of the wall 20, once the optical element 40 has been inserted into the slot 30.
  • the shoulder 52 comprises at least one protrusion 54 substantially perpendicular to the external face 22, and fitting into a complementary shape 26 of the wall 20, so as to avoid an opening of the slot 30.
  • the protuberances 54 preferably arranged on either side and on the other side of the slot 30, over the entire circumference of the slot, retain the wall 20 on either side of the slot 30.
  • the Figure 6A illustrates a particular embodiment in which the surface of shoulder 52 in contact with surface 22 is not parallel with outer surface 22.
  • the figure 6B illustrates a particular embodiment in which the protrusion 54 is positioned at the end of the shoulder 52.
  • the body 50 comprises at least one fixing clip 56 enabling the body 50 to be assembled by elastic interlocking, and cooperating with the shoulder 52 so that the interlocking of the optical element 40 in the slot 30 come to exert a counter-force to pinch, sandwich the thickness of the wall 20 under the shoulder 52.
  • the fixing clip 56 makes it possible to assemble in a definitive or removable manner the optical element 40 on the part 10 of the bodywork.
  • the fixing clip 56 comprises a protuberance 58 substantially perpendicular to the outer face 22 fitting into a complementary shape 28 of the wall 20, so as to avoid an opening of the slot 30.
  • the outer face 22 of the wall comprises a partial recess 23, that is to say not over the entire thickness of the wall 20, at the edge of the slot 30.
  • the slot 30 thus has a substantially T-shaped cross-section, as illustrated by the figure 1 , 5 and 7 .
  • the shoulder 52 fits into the recess 23 without apparent assembly play.
  • the shoulder 52 fits into the recess 23 without being flush: the outer surface of the optical element 40 is flush with the outer surface 22 of the wall 20.
  • the body 50 may include a cavity 51 on its face opposite the shoulder 52, providing the optical element 40 with a cross-section in the shape of a pi ( ⁇ ), and increased flexibility.
  • the optical element 40 is adapted to be assembled by insertion into the bodywork part 10 via the face external 22 of the wall 20, which allows easy assembly on automobile assembly lines.
  • part 10 includes a light source 70 whose light is transmitted via optical element 40 to the outside of the vehicle, when part 10 is mounted on a vehicle.
  • the light source 70 is placed behind the body part 10, for example behind a bumper skin, but it is not necessarily fixed beforehand on the optical element 40.
  • D represents the distance between the light source 70 and the optical element 40. This distance can vary to zero when the light source 70 is glued to the optical element 40, or when the light source 70 is integrated into the optical element 40.
  • the part 10 comprises reflectors 80 on each side of the source 70 in order to be able to direct the light coming out of the optical element 40 with an angle not perpendicular to the external surface of the wall 20.
  • the reflectors make it possible to concentrate the light in order to use a maximum of light emitted by the source.
  • the optical element 40 can be produced by means of an extrusion molding process, as illustrated in the figures 4A and 4B .
  • the optical element preferably has a thickness greater than 1.2mm, preferably greater than 1.5mm for very long parts (greater than 800mm). According to this method of manufacture, the clip 56 is present continuously over the entire circumference of the optical element 40 ( figure 4B ), thus promoting a good seal.
  • the optical element 40 can be made using an injection molding process.
  • the optical element preferably has a thickness comprised between 2 and 3.5 mm for parts of great length and/or height (greater than 200 mm), and greater than 1.2 mm for parts of smaller dimensions.
  • the clip 56 may also be present at the ends and it is possible not to have the profile of the clip over the entire length of the optical element 40, to facilitate installation on the part 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Clamps And Clips (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Claims (13)

  1. Karosserieteil (10) eines Kraftfahrzeugs, das eine Wand (20) mit einer Außenseite (22), einer Innenseite (24) und mindestens einem Schlitz (30) aufweist, wobei das Teil (10) ein optisches Element (40) aufweist, das mit einem Körper (50) versehen ist, der durch elastisches Einpassen in den Schlitz (30) eingesetzt ist, wobei das optische Element (40) mindestens einen Teil (60) aus transparentem oder transluzentem Material aufweist, das eingerichtet ist, Licht von der Innenseite (24) zur Außenseite (22) der Wand (20) zu übertragen, wobei der Körper (50) eine Oberfläche aufweist, die eine Schulter (52) bildet, die mit der Außenseite (22) der Wand (20) in Kontakt steht, dadurch gekennzeichnet, dass es mindestens einen Vorsprung (54; 58) aufweist, der im Wesentlichen senkrecht zur Außenseite verläuft und in eine komplementäre Form (26; 28) der Wand (20) passt, um ein Öffnen des Schlitzes (30) zu verhindern,
    wobei das Teil (10) so beschaffen ist, dass:
    - die Schulter (52) den Vorsprung (54) aufweist, oder
    - der Körper (50) außerdem mindestens einen Befestigungsclip (56) aufweist, der es ermöglicht, den Körper (50) durch elastische Einpassung zusammenzusetzen, und der mit der Schulter (52) so zusammenwirkt, dass die Einpassung des optischen Elements (40) in den Schlitz (30) eine Gegenkraft ausübt, um die Dicke der Wand (20) unter der Schulter (52) zwischen sich zu halten, wobei der Befestigungsclip (56) den Vorsprung (58) aufweist.
  2. Teil (10) nach Anspruch 1, wobei das optische Element (40) eine Flexibilität besitzt, die eingerichtet ist, ihm zu ermöglichen, einer Wölbung des Teils (10) zu folgen.
  3. Teil (10) nach einem der vorhergehenden Ansprüche, wobei der Befestigungsclip (56) es ermöglicht, das optische Element (40) endgültig an dem Karosserieteil (10) zu befestigen.
  4. Teil (10) nach einem der vorhergehenden Ansprüche, wobei der Befestigungsclip (56) es ermöglicht, das optische Element (40) lösbar an dem Karosserieteil (10) zu montieren.
  5. Teil (10) nach einem der vorhergehenden Ansprüche, wobei die Außenseite (22) der Wand eine teilweise Aussparung (23) am Rand des Schlitzes (30) aufweist und die Schulter (52) ohne sichtbares Fügespiel in die Aussparung (23) passt.
  6. Teil (10) nach dem vorhergehenden Anspruch, wobei die Schulter (52) in die Aussparung (23) passt, ohne bündig zu sein.
  7. Teil (10) nach einem der vorhergehenden Ansprüche, wobei der Körper (50) auf seiner der Schulter (52) gegenüberliegenden Seite eine Vertiefung (51) aufweist, die dem optischen Element (40) einen π - förmigen Querschnitt verleiht.
  8. Teil (10) nach einem der vorhergehenden Ansprüche, wobei der Schlitz (30) und das optische Element (40) langgestreckt sind.
  9. Teil (10) nach einem der vorhergehenden Ansprüche, wobei der Schlitz (30) nicht mit einer der Kanten des Teils (10) in Berührung kommt.
  10. Teil (10) nach einem der Ansprüche 1 bis 9, wobei das optische Element (40) aus Polycarbonat hergestellt ist, das mit einem elastomerartigen Zusatzstoff wie TPU vermischt ist.
  11. Teil (10) nach einem der Ansprüche 1 bis 9, wobei das optische Element (40) aus transparentem Polypropylen oder einem anderen transparenten oder transluzenten Material hergestellt ist.
  12. Teil (10) nach einem der vorhergehenden Ansprüche, wobei das optische Element (40) eingerichtet ist, durch Einsetzen in das Karosserieteil (10) über die Außenseite (22) der Wand (20) zusammengebaut zu werden.
  13. Teil (10) nach einem der vorhergehenden Ansprüche, aufweisend ein Leuchtelement (70), dessen Licht über das optische Element (40) zur Außenseite des Fahrzeugs übertragen wird, wenn das Teil (10) an einem Fahrzeug angebracht ist.
EP18811537.2A 2017-11-30 2018-11-29 Karosserieteil mit einem optischen element, das durch elastische verriegelung aufgebracht wird Active EP3717829B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1761460A FR3074116B1 (fr) 2017-11-30 2017-11-30 Piece de carrosserie comportant un element optique rapporte par emboitage elastique
PCT/EP2018/083058 WO2019106111A1 (fr) 2017-11-30 2018-11-29 Pièce de carrosserie comportant un élément optique rapporté par emboitage élastique

Publications (2)

Publication Number Publication Date
EP3717829A1 EP3717829A1 (de) 2020-10-07
EP3717829B1 true EP3717829B1 (de) 2023-01-04

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ID=61027973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18811537.2A Active EP3717829B1 (de) 2017-11-30 2018-11-29 Karosserieteil mit einem optischen element, das durch elastische verriegelung aufgebracht wird

Country Status (3)

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EP (1) EP3717829B1 (de)
FR (1) FR3074116B1 (de)
WO (1) WO2019106111A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3115095B1 (fr) 2020-10-08 2022-10-28 Cie Plastic Omnium Se Pièce de carrosserie comportant un élément lumineux sous résine transparente
FR3137741B1 (fr) * 2022-07-06 2024-05-24 Psa Automobiles Sa Assemblage pour bloc optique d’éclairage et/ou de signalisation à laser de véhicule automobile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2620396B1 (fr) * 1987-09-16 1991-05-24 Sesa Rampe de balisage pour interieur de vehicule
DE10259623B4 (de) * 2002-12-18 2011-09-22 Hella Kgaa Hueck & Co. Fahrzeugleuchte
DE102004053643A1 (de) * 2004-11-03 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Fahrzeugleuchtenanordnung
WO2009123942A1 (en) * 2008-03-31 2009-10-08 Honda Motor Co., Ltd. Vehicle components
KR101578250B1 (ko) * 2008-07-10 2015-12-16 쓰리엠 이노베이티브 프로퍼티즈 컴파니 점탄성 도광체를 갖는 재귀반사성 용품 및 장치
DE102008047282A1 (de) * 2008-09-16 2010-04-01 Hamm, Wolfgang A. Tagfahrleuchte
DE102015205630A1 (de) * 2014-03-28 2015-10-01 Kunststoff-Technik Scherer & Trier Gmbh & Co. Kg Abdeckungseinrichtung, System, Karosseriebauteil, Karosseriebauteilsystem und Fahrzeug

Also Published As

Publication number Publication date
EP3717829A1 (de) 2020-10-07
WO2019106111A1 (fr) 2019-06-06
FR3074116B1 (fr) 2021-06-18
FR3074116A1 (fr) 2019-05-31

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