EP0507647B1 - Schloss für die Harbe eines Motorfahrzeuges versehen mit selbstzentrierenden Mitteln - Google Patents

Schloss für die Harbe eines Motorfahrzeuges versehen mit selbstzentrierenden Mitteln Download PDF

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Publication number
EP0507647B1
EP0507647B1 EP19920400748 EP92400748A EP0507647B1 EP 0507647 B1 EP0507647 B1 EP 0507647B1 EP 19920400748 EP19920400748 EP 19920400748 EP 92400748 A EP92400748 A EP 92400748A EP 0507647 B1 EP0507647 B1 EP 0507647B1
Authority
EP
European Patent Office
Prior art keywords
support element
fork
lock
latch catch
casing
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.)
Expired - Lifetime
Application number
EP19920400748
Other languages
English (en)
French (fr)
Other versions
EP0507647A1 (de
Inventor
Pascal Verneuil
Minh Au Truong
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.)
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
Regie Nationale des Usines Renault
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 Renault SAS, Regie Nationale des Usines Renault filed Critical Renault SAS
Publication of EP0507647A1 publication Critical patent/EP0507647A1/de
Application granted granted Critical
Publication of EP0507647B1 publication Critical patent/EP0507647B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/04—Strikers
    • E05B85/045—Strikers for bifurcated bolts

Definitions

  • the present invention relates to a lock for a vehicle, in particular for a hood of the type comprising a movable part or bolt which can be secured to said hood to be movable in an opening or closing movement thereof, and a fixed or strike part which can be secured to a the vehicle body, the bolt being constituted by a fork rotating about an axis integral with a support element intended to be fixed to said hood and having lateral slopes to facilitate the entry of this support element in a strike box bearing integrally a nail arranged perpendicular to the plane of the fork support element and capable of being overlapped, during a translational movement, by a longitudinal notch of said fork support element in a direction of insertion, until the latter rotates in rotation to secure said striker nail by hooking.
  • this type of lock is also intended for closing a vehicle tailgate.
  • French patent application FR-A-2 633 654 proposes to remedy this drawback by arranging in the strike housing a pair of wedge-shaped pads capable of sliding longitudinally against springs, by a push of the fork-holder element forming a bolt, when the cover is closed.
  • This device is not only complex and expensive because it requires the implementation of several parts to be assembled together, but moreover if there is a lateral offset between the bolt and the keeper, this will result in a more or less pronounced depression.
  • one of the two sliding corners thus creating an asymmetry of lateral holding; in fact, this behavior is directly linked to the spring pressure force exerted on each of the corners and to the angle of the contact surface between the latter and the fork-carrying element.
  • the object of the present invention is to remedy these drawbacks and to this end relates to a lock for a vehicle, in particular for a hood of the type comprising a movable part or bolt which can be secured to said hood so as to be movable in an opening or closing movement thereof.
  • the bolt being constituted by a fork rotating about an axis integral with a support element intended to be fixed to said hood and having lateral slopes to facilitate the entry of this support element into a keeper box integrally carrying a nail arranged perpendicular to the plane of the fork support element and capable of being overlapped during a translational movement, by a longitudinal indentation of said fork support element in a direction of insertion, until the latter rocks in rotation in order to join said keeper nail by hooking, characterized in that the keeper housing comprises means of self-centering with respect to the fork support element when '' an initial adjustment or compensation for the possible eccentricity of these two elements between them during use, constituted by fixed buffers disposed opposite each of the opposite ends of the strike box and elastically deformable in the direction transverse thereof to the passage of the rotating fork support element.
  • the lock 1 designated as a whole and shown in the figures, comprises a support element 2 fixed to the tailgate of the rear hood of a vehicle not shown, by means of a stirrup 3, from the middle of which extends in cantilever downwards said support element 2 on which a latch constituted is disposed, in this type of lock, by a rotating fork 4 capable of rotating in operation on an axis 0 integral with the support element 2 of the fork 4.
  • the support element 2 has lateral slopes 2a, 2b facilitating its introduction in a housing 5 of a keeper 6 integrally carrying a nail 7 arranged perpendicular to the plane of the support element 2 of fork 4 and capable of being overlapped, during a translational movement, by a longitudinal notch 8 of said support element 2 in a direction of insertion, until the fork 4, carried by the element 2, rocks in rotation about the axis 0 to join said nail 7 of striker 6 by hooking.
  • the keeper box 5 6 is mounted integrally on the vehicle body (not shown), on the edge of a luggage compartment for example, on which the hood abuts when it is closed.
  • the keeper box 5 is secured to a fixing plate 9 comprising three slots 10 traversed during assembly by screws (not shown) capable of being screwed into corresponding threaded holes (not shown) of an internal rear wall of the vehicle boot.
  • the keeper box 5 is defined by a parallelepiped volume open at its upper part to allow the introduction of the support element 2 of fork 4 and whose rectangular section is delimited by two lateral flanks 5a, 5b and two end walls 5c, 5d.
  • the lateral flanks 5a, 5b are crossed perpendicularly by the nail 7 fixed in overhang on the fixing plate 9 of the housing 5.
  • the strike box 6 comprises means of self-centering with respect to the support element 2 of the fork 4 during an initial adjustment or compensation for the possible eccentricity of these two elements 2, 6 between them in use.
  • These means consist of fixed buffers 11, 12 arranged opposite each other respectively on each of the opposite end walls 5c, 5d of the housing 5.
  • Each of the buffers 11, 12 is constituted, in the present embodiment, by a hollow element substantially forming a U whose free ends of the branches 11a 11b, 12a 12b are directed in a direction opposite to that of introduction of the element support 2 of fork 4, the branches 11b and 12b facing the axis XX ′ of the lock 1 being elastically deformable relative to the others, respectively 11a, 12a fixed on the internal end walls 5c and 5d of the housing 5.
  • Such elastic stops 11, 12 could be sufficient for them to fulfill their role as mentioned above, but in order to reinforce their elastic quality and their reliability over time the branches 11a, 11b and 12a, 12b of each stopper 11, 12 are combined two by two near their free end by cylindrical rubber elements added respectively 13, 14, acting freely and held in place by elastic clamping between each pair of branches 11a, 11b or 12a, 12b in housing parts 13a, 14a formed respectively at said ends of the branches 11a, 11b or 12a, 12b and forming part of a cylinder , corresponding to the rubber elements to be clamped.
  • Each of the buffers 11 or 12 comprises removable fixing means cooperating with the internal end walls 5c, 5d of the keeper box 5 and which are constituted by a lug 15 or 16 provided with a head 17 or 18 and produced at the lower part of each fixed branch 11a or 12a of each stopper 11, 12.
  • An anchoring spoiler 19 or 20 is also produced at the upper part of said fixed branch 11a or 12a.
  • each stopper 11 or 12 is carried out by introducing said lug 15 or 16 by its head 17 or 18 to the enlarged upper part of a buttonhole-shaped opening 21 or 22 formed in the internal lateral end wall 5c or 5d of the keeper box 5 5, then brought to its lower part by sliding the head 17 or 18 behind a narrowed part of said buttonhole 21, 22 until the spoiler 19 or 20 snaps resiliently to the part upper light 21 or 22.
  • corresponding inclined inlet slopes 23, 24 are respectively provided at the free ends of the deformable branches 11b, 12b elastically of each stopper 11, 12, turned towards the axis XX ′ of the lock.
  • Each of the slopes 23, 24 is extended by faces 25, 26 parallel to said axis XX ′ of the lock 1.
  • the slopes 2a, 2b of the support element 2 are capable of cooperating with the slopes 23, 24 of the stops 11, 12 when the cover is closed.
  • the keeper 6 and the rotary fork assembly 4 disposed on its support 2 are mounted separately respectively on the edge of the trunk of the vehicle and on the hood along approximately the same axis XX ′, so as to subsequently allow a trajectory of the support element 2, substantially parallel to its notch 8 to ensure its progressive insertion into the housing 5 of strike plate 6.
  • said housing 6 is held in position by screws (not shown) passing through the slots 10, oblong in the transverse direction, but these screws are not permanently tightened in order to allow adjustment in translation of the housing 5.
  • the lights 10 allow a lateral movement of the latter, of the order of 10 mm for example, caused precisely by the reciprocal contacting of the slopes 2a of the support element 2 of the fork 4 and the slopes 23, 24 of each elastic stopper 11, 12, ensuring in this way self-centering of said keeper box 5 relative to said support element 2, after which the screws are definitively blocked to immobilize the keeper 6.
  • eccentricities of the component parts of the lock 1 can occur between them, due to variations in geometry of the vehicle body over time or to an unbalanced force exerted on the hood.
  • the system according to the invention makes it possible to compensate for these offsets by virtue of the transverse elastic deformation of the bumpers, capable of being more or less compressed by means of the rubber cylinders 13, 14 also playing a vibration-absorbing role contributing to a reduction in the noise level of the entire vehicle.
  • the hardness of the rubber cylinders 13, 14 is 80 SH and the admissible crushing value is of the order of 1 millimeter.
  • the slopes 2a, 2b of the support element 2 of the fork 4 form an angle ⁇ 1 of 27 ° 30 with the axis XX ′ and the entry slopes 23, 24 of the stops 11, 12 of the strike 6 form an angle ⁇ of 30 ° with the same axis.
  • the draft thus formed of 2 ° 30 facilitates the coming into contact of the elements present.

Landscapes

  • Superstructure Of Vehicle (AREA)
  • Lock And Its Accessories (AREA)

Claims (6)

  1. Schloß (1) für Kraftfahrzeuge, insbesondere für eine Haube, mit einem an der Haube befestigbaren beweglichen Teil oder Riegel, der sich während eines Öffnungs- oder Schließvorgangs der Haube bewegt und mit einem an einem Karosserieteil befestigbaren feststellbaren Teil oder Schließhaken (6), wobei der Riegel durch einen Bügel (4) gebildet wird, der sich um die Achse (O) dreht, die mit einer Halterung (2) verbunden ist, welche der Verbindung mit der Haube dient und der seitliche Abschrägungen (2a, 2b) aufweist, um den Eingriff der Halterung in das Gehäuse (5) des Schließhakens (6) zu erleichtern, das einen mit ihm verbundenen Stift (7) trägt, der sich senkrecht zur Ebene der Halterung (2) des Bügels (4) erstreckt und der während einer Verschiebebewegung mit Hilfe eines Längsausschnitts (8) in die Halterung (2) des Bügels (4) in Einschubrichtung eingreift, bis letzterer eine Drehbewegung ausführt, um eine Verbindung mit dem Stift (7) des Schließhakens (6) durch eine Verriegelung herbeizuführen, dadurch gekennzeichnet, daß das Gehäuse (5) des Schließhakens eine selbstzentrierende Anordnung bezüglich der Halterung (2) des Bügels (4) aufweist, während einer Eingangs- oder Kompensationsregelung für eine eventuelle Abweichung der beiden Teile (2, 6) voneinander während des Betriebes, bestehend aus feststehenden Anschlägen (11, 12), die gegenüber den beiden sich gegenüberliegenden Enden (5c, 5d) des Gehäuses (5) des Schließhakens (6) angeordnet sind und die in Querrichtung während des Eingreifens der Halterung (2) des sich drehenden Bügels (4) elastisch verformbar sind.
  2. Schloß nach Anspruch 1, dadurch gekennzeichnet, daß jeder Anschlag (11, 12) aus einem im wesentlichen U-förmigen Hohlteil besteht, wobei die freien Enden der Arme (11a, 11b; 12a, 12b) in eine Richtung zeigen entgegengesetzt zur Eingriffsrichtung der Halterung (2) des Bügels (4), wobei einer der Arme (11b, 12b), der in Richtung zur Achse (XX') des Schlosses gekrümmt ist, elastisch bezüglich des anderen Armes ist, der an einer inneren Endwand (5c, 5d) des Gehäuses (5) des Schließhakens (6) befestigt ist.
  3. Schloß nach Anspruch 2, dadurch gekennzeichnet, daß die Arme (11a, 11b; 12a, 12b) eines jeden Anschlages (11, 12) paarweise in der Nähe ihrer freien Enden durch ein zylindrisches aufgesetztes Gummiteil (13, 14) miteinander verbunden sind, das frei beweglich ist und in Aufnahmeabschnitten (13a, 14a) gehalten wird, welche an den Enden der Arme (11a, 11b; 12a, 12b) vorgesehen sind, wobei sie innerhalb eines entsprechenden Zylinders angeordnet sind.
  4. Schloß nach Anspruch 2, dadurch gekennzeichnet, daß jeder Anschlag (11, 12) eine abnehmbare Befestigungsanordnung aufweist, welche mit den inneren Endwänden (5c, 5d) des Gehäuses (5) des Schließhakens (6) zusammenwirkt, bestehend aus einem mit einem Kopfteil (17, 18) versehenen Nocken (15, 16), der im unteren Abschnitt des feststehenden Arms (11a, 12a) des Anschlages (11, 12) ausgebildet ist und einer Verankerungsnase (19, 20), die im oberen Abschnitt ausgebildet ist, wobei der Nocken (15, 16) mit seinem Kopfteil (17, 18) in den oberen aufgeweiteten Abschnitt einer langgestreckten Öffnung (21, 22) eingesetzt ist, die in der inneren seitlichen Endwand (5c, 5d) des Gehäuses (5) des Schließhakens (6) vorgesehen ist und durch einen Gleitvorgang des Kopfteils (17, 18) zum unteren Abschnitt hinter einen verengten Abschnitt der Öffnung (21, 22) verschoben wird, bis die Nase (19, 20) elastisch in den oberen Abschnitt der Aussparung (21, 22) einklinkt.
  5. Schloß nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß die elastisch verformbaren Arme (11b, 12b) eines jeden Anschlages (11, 12), die in Richtung zur Achse (XX') des Schlosses (1) hin gebogen sind, jeweils an ihrem freien Ende eine geneigte Eingangsabschrägung (23, 24) aufweisen, welche durch eine Parallelfläche (25, 26) zur Achse (XX') des Schlosses (1) hin verlängert werden, wobei die Eingangsabschrägung (23, 24) beim Schließvorgang mit entsprechenden Eingangsabschrägungen (2a, 2b) der Halterung (2) des Bügels (4) zusammenwirken.
  6. Schloß nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß die Anschläge (11, 12) identisch sind und durch einen einzigen Gießvorgang hergestellt werden.
EP19920400748 1991-03-27 1992-03-20 Schloss für die Harbe eines Motorfahrzeuges versehen mit selbstzentrierenden Mitteln Expired - Lifetime EP0507647B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9103706A FR2674562B1 (fr) 1991-03-27 1991-03-27 Serrure pour capot de vehicule comportant des moyens d'autocentrage.
FR9103706 1991-03-27

Publications (2)

Publication Number Publication Date
EP0507647A1 EP0507647A1 (de) 1992-10-07
EP0507647B1 true EP0507647B1 (de) 1995-01-04

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Application Number Title Priority Date Filing Date
EP19920400748 Expired - Lifetime EP0507647B1 (de) 1991-03-27 1992-03-20 Schloss für die Harbe eines Motorfahrzeuges versehen mit selbstzentrierenden Mitteln

Country Status (4)

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EP (1) EP0507647B1 (de)
DE (1) DE69201079T2 (de)
ES (1) ES2066569T3 (de)
FR (1) FR2674562B1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1108733A (en) * 1964-08-12 1968-04-03 Wilmot Breeden Ltd Improvements in or relating to releasable door fastening devices
DE2725345C2 (de) * 1977-06-04 1985-05-23 Daimler-Benz Ag, 7000 Stuttgart Aus einem Stahlblechzuschnitt gebogener Schließkloben für einen Kraftfahr-Türverschluß
IT212714Z2 (it) * 1987-10-30 1989-08-28 Fiat Auto Spa Serratura in particolare per un portellone posteriore di un veicolo con bloccaggio trasversale a recupero automatico dei giochi
US4827669A (en) * 1988-05-23 1989-05-09 General Motors Corporation Glass stabilizer for vehicle door assembly

Also Published As

Publication number Publication date
DE69201079D1 (de) 1995-02-16
DE69201079T2 (de) 1995-07-27
FR2674562A1 (fr) 1992-10-02
ES2066569T3 (es) 1995-03-01
FR2674562B1 (fr) 1995-09-08
EP0507647A1 (de) 1992-10-07

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