EP3165814A1 - Verbindung zwischen gehäuse und scheinwerferscheibe mit rippen zur aufnahme des klebers - Google Patents

Verbindung zwischen gehäuse und scheinwerferscheibe mit rippen zur aufnahme des klebers Download PDF

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Publication number
EP3165814A1
EP3165814A1 EP16196849.0A EP16196849A EP3165814A1 EP 3165814 A1 EP3165814 A1 EP 3165814A1 EP 16196849 A EP16196849 A EP 16196849A EP 3165814 A1 EP3165814 A1 EP 3165814A1
Authority
EP
European Patent Office
Prior art keywords
housing
edge
ribs
cavity
ice
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Withdrawn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
EP16196849.0A
Other languages
English (en)
French (fr)
Inventor
Mehdi Madelaine
Steve Vincent
Thiery ROUSSELET
Jean-Marc GRESSOT
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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 Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP3165814A1 publication Critical patent/EP3165814A1/de
Withdrawn legal-status Critical Current

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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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Definitions

  • the invention relates to the field of light devices, including lighting devices and / or light signaling for a motor vehicle.
  • the published patent document FR 0 187 593 A1 discloses a method of assembling a motor vehicle headlamp glass to its housing.
  • the method provides for gluing the rim of the ice to a homologous edge of the housing, the rim and edge profiles being such as to provide an internal expansion volume of the adhesive within the contour of the assembled parts.
  • This document has a priority date in 1984, at a time when the headlamps had generally geometric shapes with junction areas generally flat or at least close to a plane.
  • the glue could then be applied progressively along the edge of the housing when said edge being disposed horizontally, without much risk of glue flowing along said edge.
  • the published patent document US 5,909,957 also discloses a method of assembling a motor vehicle headlamp glass to its housing.
  • the housing edge includes a groove at the bottom of which a urethane type adhesive is applied.
  • the housing is oriented with its cavity and its opening facing upwards.
  • the ice is then disposed on the housing so that its rim penetrates the groove and contacts the adhesive.
  • the flange in question includes spikes for passing through the adhesive and directly contacting the bottom of the groove for ultrasonic welding.
  • the invention aims to solve at least one of the problems of the state of the art, in this case the state of the art mentioned above. More particularly, the invention aims to facilitate the application of the adhesive or the polymerizable liquid intended to ensure the connection and / or the seal between the housing and the ice, especially when the edge of the housing has variations of inclination with respect to the horizontal.
  • the subject of the invention is a luminous device housing, in particular a lighting and / or signaling device for a motor vehicle, comprising: a wall delimiting a cavity intended to receive one or more light modules; an edge defining the cavity and configured to be fixed by gluing to a corresponding rim of an ice intended to cover said cavity; remarkable in that the edge comprises at least a portion with ribs intended to be in contact with the adhesive and oriented so as to at least limit the flow of said adhesive during its application.
  • the glue is advantageously a polyurethane type glue with activator. It may have a polymerization time of between 10 'and 15'. Such an adhesive is particularly fluid before polymerization. It may have a dynamic viscosity before polymerization of less than 185 Pa.s, preferably less than 90 Pa.s.
  • the edge advantageously forms the end of the wall.
  • the adjacent ribs present in the portion or each portion of the edge may be spaced from each other by a distance of between 1 and 30 mm, preferably between 5 and 20 mm.
  • the ribs may have an average thickness of between 0.5 and 3 mm. They can have a maximum height of between 1 and 5 mm.
  • the portion or each portion with ribs may comprise at least three, preferably at least 5, more preferably at least 7 ribs.
  • the edge of the housing forms a groove with a bottom and two side faces.
  • the ribs are disposed on the lateral face located on the side of the cavity.
  • the ribs extend to the bottom of the groove.
  • the ribs have an increasing height towards the bottom of the groove.
  • the ribs are spaced apart from each other.
  • the ribs are substantially parallel to one another.
  • the ribs extend transversely to the longitudinal direction of the corresponding portion of the edge.
  • the longitudinal direction of the portion of the edge is the average longitudinal direction of said portion.
  • the housing comprises an optical axis corresponding to a main direction of illumination and / or of luminous signaling, the portion or each portion with the ribs forming an angle with the optical axis which is less than at 45 °.
  • the angle formed by the portion or each of the portions with the optical axis is less than 40 °.
  • the angle formed by the portion or each of the portions with the optical axis is less than 35 °.
  • the optical axis corresponds to the longitudinal axis of the vehicle.
  • the longitudinal axis of the vehicle is its main axis oriented in its direction of travel in a straight line.
  • the ribs form an angle with the optical axis which is less than 20 °.
  • the angle formed by the ribs with the optical axis is less than 15 °.
  • the angle formed by the ribs with the optical axis is less than 10 °.
  • the housing comprises a demolding axis, the portion or each of the portions with the ribs forming an angle with said axis which is less than 45 °.
  • demolding axis means the axis of movement of the molding parts of the housing mold and allowing the ejection of the housing from its mold; this demolding axis can induce a doubling of the width of the groove causing an increase in the flow of the glue.
  • the angle formed by the portion or each portion with the demolding axis is less than 40 °.
  • the angle formed by the portion or each portion with the demolding axis is less than 35 °.
  • the ribs are parallel to the demolding axis.
  • the ribs are integral with the edge and the wall.
  • material come is meant that the material of the ribs is continuous, and preferably identical, with that of the edge of the wall.
  • the housing is a motor vehicle headlight housing, the portion or portions of the edge including the ribs being located on an upper and a rear portion of said edge when the housing is in the mounting position on the vehicle.
  • the invention also relates to a light device, in particular for a motor vehicle, comprising: a housing forming a cavity housing one or more light modules and comprising an edge defining the cavity; and an ice covering said cavity, with a rim glued to the edge of the housing; remarkable in that the housing is in accordance with the invention, the glue being in contact with the ribs.
  • the edge of the ice has a demolding axis which forms an angle with a demolding axis of the groove of the housing, said angle being greater than or equal to 10 °. This angle may be greater than 20 °.
  • the groove has a width greater than the thickness of the rim of the ice.
  • the invention also relates to a method of assembling a light device according to the invention, comprising the following steps: (a) placing the housing in position so that the cavity is directed upwards; (b) applying the glue along the edge of the housing; (c) placing the ice with its rim along the edge of the housing and in contact with the glue.
  • step (b) is carried out by extrusion.
  • step (b) the adhesive is applied last on the portion or portions of the edge which comprise the ribs.
  • the measures of the invention are interesting in that they solve the problem of flow of the glue when it is applied to portions of the edge which are particularly inclined relative to the horizontal, in a simple and economical manner. Indeed, the realization of the ribs according to the invention is particularly economical because it does not require any particular measure in addition to providing the necessary at the manufacturing mold to form the ribs. According to a particular embodiment of the invention, the ribs are also hidden by the ice.
  • the figure 1 illustrates a housing 2 of light device, in this case a projector for a motor vehicle.
  • a light device can provide various functions, such as lighting functions of the code type, also called beam cutoff (in English commonly called “low-beam”) or route (in English commonly called “high-beam”), or signaling functions of the direction indicator type (flashing), lantern or daytime running lights (commonly referred to by the acronym DRL meaning "Daytime Running Light”).
  • the housing 2 comprises a wall 4 which may have a complex shape.
  • the wall 4 in question forms a cavity intended to receive one or more light modules (not shown) intended to perform one or more of the aforementioned functions. These modules are in themselves well known to those skilled in the art.
  • the housing 2 also includes an edge 6 defining an opening of the cavity.
  • This edge is advantageously located on the wall 4, more precisely at the end of said wall.
  • the edge 8 advantageously forms a closed contour delimiting the opening of the housing cavity.
  • the edge 6 in question is intended to cooperate with an ice to close the cavity. Ice is by definition transparent and can be made of glass or more preferably plastic. Such ice cream is well known to those skilled in the art.
  • the edge 6 may advantageously form a groove 8 intended to receive a rim of the ice to be fixed by gluing.
  • the edge 6 comprises a portion 6 1 comprising ribs 10, more particularly ribs in the groove 8. It can be seen that the portion 6 1 of the edge 6 is located on a rear zone (with respect to the direction of advance of the vehicle when the projector is mounted on the vehicle), top and side of the housing. This portion 6 1 is illustrated in greater detail in figures 2 and 3 .
  • the figure 2 illustrates the case 2 of the figure 1 in a position where its cavity and its opening are oriented upwards, more precisely vertically. It can be observed that the portion 6 1 is strongly inclined relative to the horizontal. More particularly, it is the portion of the edge 6 the more inclined relative to the horizontal.
  • the ribs 10 are intended and configured to retain or at least limit the flow of the adhesive, or any other potentially pasty fluid intended for the assembly of the ice, which is applied to the edge 6 to assemble said ice.
  • the grooves are oriented along the longitudinal axis of the projector, corresponding to its optical axis and preferably to the demolding direction of the housing 2.
  • the latter is advantageously made of plastic by injection into a mold with a movable part. The displacement of the latter allows the demolding of the housing.
  • the inclined portion 6 1 of the edge 6 can form an angle with the vertical, when the housing is oriented with its cavity directed upwards in order to apply the glue, which is less than 45 °, preferably less than 40 °, more preferably less than 35 °. It should be noted that although only one portion 6 1 provided with ribs 10 is present in the illustrated housing, it is however conceivable that the housing has several inclined portions and provided with ribs.
  • the grooves 10 thus form barriers to the flow of the adhesive in the liquid state and potentially pasty.
  • the adhesive is indeed applied, preferably by extrusion, along the edge 6 while the housing is in the position illustrated in FIG. figure 2 .
  • the ice is then placed in a vertical movement directed downwards so that the rim of the ice cooperates with the edge 6, more particularly with the groove 8 of the edge 6 and with the adhesive that has been applied thereto.
  • the ribs 10 thus form a brake on the viscous flow of the glue between the moment of its application on this portion 6 1 of the edge 6 and the moment when the rim of the ice comes into contact with said glue.
  • the glue is advantageously a polyurethane type glue with activator. It may have a polymerization time of between 10 'and 15'. Such an adhesive is particularly fluid before polymerization. It may have a dynamic viscosity before polymerization less than 20 Pa.s, preferably 15 Pa.s, more preferably 10 Pa.s.
  • the figure 3 is a detail view of the portion 6 1 of the edge, provided with grooves 10. It can be seen the shape of the groove 8 which has a U-shaped section with a bottom 8 1 and two walls or side faces 8 2 and 8 3 .
  • the ribs 10 are advantageously formed on the inner side face 8 3 so that they are hidden by the ice once the latter is in place. However, it is understood that the ribs may also be formed on the opposite face 8 2 , or alternatively on the two side faces 8 2 and 8 3 . It can also be observed that the ribs 10 have an increasing height from the entrance of the groove 8 to the bottom 8 1 of said groove.
  • This configuration of the ribs is interesting in that it facilitates the establishment of the edge of the ice and in that it ensures effective retention of the adhesive in the bottom of the groove 8.
  • the ribs extend advantageously to the bottom 8 1 of the groove so as to form an integral part of said bottom.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP16196849.0A 2015-11-05 2016-11-02 Verbindung zwischen gehäuse und scheinwerferscheibe mit rippen zur aufnahme des klebers Withdrawn EP3165814A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1560629A FR3043447A1 (fr) 2015-11-05 2015-11-05 Liaison boitier-glace de projecteur avec nervures de retenue de la colle

Publications (1)

Publication Number Publication Date
EP3165814A1 true EP3165814A1 (de) 2017-05-10

Family

ID=55182352

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16196849.0A Withdrawn EP3165814A1 (de) 2015-11-05 2016-11-02 Verbindung zwischen gehäuse und scheinwerferscheibe mit rippen zur aufnahme des klebers

Country Status (4)

Country Link
US (1) US20170130922A1 (de)
EP (1) EP3165814A1 (de)
CN (1) CN106969310A (de)
FR (1) FR3043447A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3508378A1 (de) 2018-01-05 2019-07-10 PSA Automobiles SA Vorrichtung zur beleuchtung und/oder signalisierung für kraftfahrzeug
FR3095532A1 (fr) * 2019-04-29 2020-10-30 Valeo Comfort And Driving Assistance Interface pour véhicule automobile

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187593A1 (de) 1984-12-21 1986-07-16 Cibie Projecteurs Kraftfahrzeugscheinwerfer mit geklebter Lichtscheibe
US5909957A (en) 1996-12-23 1999-06-08 Guide Corporation Sealed vehicle lamp and assembly method therefor
EP1672275A1 (de) * 2004-12-17 2006-06-21 Valeo Vision Beleuchtungs-oder Signal-Vorrichtung für Kraftfahrzeug
EP1703200A1 (de) * 2005-03-15 2006-09-20 Valeo Vision Verfahren für Befestigung der Lichtscheibe zum Gehäuse für eine Beleuchtungs- und/oder Signalisierungsvorrichtung und Hergestellte Vorrichtung.
EP2136135A1 (de) * 2008-06-17 2009-12-23 Peugeot Citroën Automobiles Société Anonyme Kraftfahrzeugscheinwerfer mit Maskierelement der festen Verbindung zwischen dem Glas und dem Gehäuse dieses Scheinwerfers
DE102011000040A1 (de) * 2011-01-05 2012-07-05 Hella Kgaa Hueck & Co. Leuchteinheit für ein Kraftfahrzeug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2364188A1 (fr) * 1976-09-08 1978-04-07 Cibie Projecteurs Procede d'assemblage de pieces de projecteurs ou de feux de vehicules automobiles
DE3509830C2 (de) * 1985-03-19 1994-03-31 Bosch Gmbh Robert Abdeckscheibenbefestigung für Kraftfahrzeugscheinwerfer
JP3208364B2 (ja) * 1997-10-03 2001-09-10 株式会社小糸製作所 車両用灯具

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187593A1 (de) 1984-12-21 1986-07-16 Cibie Projecteurs Kraftfahrzeugscheinwerfer mit geklebter Lichtscheibe
US5909957A (en) 1996-12-23 1999-06-08 Guide Corporation Sealed vehicle lamp and assembly method therefor
EP1672275A1 (de) * 2004-12-17 2006-06-21 Valeo Vision Beleuchtungs-oder Signal-Vorrichtung für Kraftfahrzeug
EP1703200A1 (de) * 2005-03-15 2006-09-20 Valeo Vision Verfahren für Befestigung der Lichtscheibe zum Gehäuse für eine Beleuchtungs- und/oder Signalisierungsvorrichtung und Hergestellte Vorrichtung.
EP2136135A1 (de) * 2008-06-17 2009-12-23 Peugeot Citroën Automobiles Société Anonyme Kraftfahrzeugscheinwerfer mit Maskierelement der festen Verbindung zwischen dem Glas und dem Gehäuse dieses Scheinwerfers
DE102011000040A1 (de) * 2011-01-05 2012-07-05 Hella Kgaa Hueck & Co. Leuchteinheit für ein Kraftfahrzeug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3508378A1 (de) 2018-01-05 2019-07-10 PSA Automobiles SA Vorrichtung zur beleuchtung und/oder signalisierung für kraftfahrzeug
FR3095532A1 (fr) * 2019-04-29 2020-10-30 Valeo Comfort And Driving Assistance Interface pour véhicule automobile

Also Published As

Publication number Publication date
FR3043447A1 (fr) 2017-05-12
US20170130922A1 (en) 2017-05-11
CN106969310A (zh) 2017-07-21

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