EP3042014B1 - Lock for a motor vehicle door - Google Patents
Lock for a motor vehicle door Download PDFInfo
- Publication number
- EP3042014B1 EP3042014B1 EP14758942.8A EP14758942A EP3042014B1 EP 3042014 B1 EP3042014 B1 EP 3042014B1 EP 14758942 A EP14758942 A EP 14758942A EP 3042014 B1 EP3042014 B1 EP 3042014B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reinforcing
- lock
- bolt
- guide member
- pawl
- 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.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 67
- 239000000463 material Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 description 10
- 230000002787 reinforcement Effects 0.000 description 9
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
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
- E05B85/20—Bolts or detents
- E05B85/24—Bolts rotating about an axis
- E05B85/243—Bolts rotating about an axis with a bifurcated bolt
-
- 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
- E05B85/02—Lock casings
Definitions
- the present invention relates to a lock for an opening of a motor vehicle, in particular for a door, a tailgate, a tailgate bezel or a trunk of a motor vehicle.
- the retention portion of conventional locks generally comprises a metal counterplate, also called outer plate, and a plate, also called inner plate, the against-plate being in abutment against the sheet metal of the opening of the motor vehicle.
- the pawl pin is held pivotally by the plate and against the plate, which ensure its holding and its pivoting guide.
- the locking of the lock is performed either by the plate or by the plate against.
- the fixing of the lock is performed by the plate, it has tapped holes aligned with corresponding holes of the plate against, the number and position of the threads of the plate being imposed by the manufacturer.
- the mounting of the lock to the vehicle thus allows at the same time to fix the plate together with the plate against.
- a lock according to the preamble of claim 1 is known from the document FR 2,852,347 .
- the plate To position all fixing points imposed by the manufacturer, the plate must have a large surface, of the order of that of the plate against.
- the use of large and complex metal parts penalize the lock product by increasing its cost and weight, these being mainly determined by the mass of metallic material present in the lock.
- One of the aims of the present invention is to remedy these problems by proposing a lock whose mass and cost are reduced, while satisfying the performance of mechanical strength.
- the fastening of the lock in the edge of the opening is thus achieved by the backplate.
- the lock no longer comprises platinum as in the prior art but a guide element whose main role is limited to guiding the rotation of the pawl axis and the mechanical strength of the lock.
- the guide element no longer takes the attachment points of the counterplate of the state of the art but uses the reinforcing pillar to ensure its mechanical strength relative to the counterplate.
- the lock without platinum is lightened and its cost is reduced.
- the reinforcing pillar makes it possible to compensate for the fact that, in the case of a tree pawl, the pawl pin is pivotally mounted.
- This solution also has the advantage that the interfaces of the motor vehicle, such as the number and positioning of attachment points to the opening of the motor vehicle, or such as the connection to the actuating parts of the various operating kinematics of the lock, can be kept without modifications.
- the lock is thus slightly modified, which allows the use of standard elements of the lock.
- a notch of the bolt intended to cooperate with the retaining end of the pawl is housed under the guide element in the closed position.
- the guide element is received in a housing of the lock.
- the interest that the guide element is received in the housing of the lock is that the housing then forms a cover covering the retention part. This arrangement makes it possible to better manage the tightness of the lock by reducing the risks of migration of water or dust towards the kinematic part.
- a reinforcing pillar is a reinforcing pin separate from the guide element, fixed to the counterplate and to the guide element.
- the fixing of the reinforcing pin to the guide element is carried out by deformation of material or by welding.
- a reinforcing pillar is a reinforcing tab, formed in one piece with the guide element and whose end is fixed to the counterplate.
- At least one reinforcing pillar is arranged next to the pawl axis.
- the shortest distance between a tangent to the guide hole of the pawl axis and the reinforcing pillar is between 0.5 and 10 millimeters. This brings the reinforcing pillar as close as possible to the pawl axis while limiting the risks of parasitic friction with the moving parts taking into account their tolerances and also avoiding possible blockages of the moving parts in case of freezing by retention in the interstice.
- the shortest distance between a tangent to the guide hole of the pawl axis and at least one reinforcing pillar is greater than 10 millimeters and is less than 25 millimeters.
- the reinforcing pillar can then be arranged further, for example out of a deflection zone of the actuating wing of the false ratchet.
- the lock comprises an additional reinforcing pillar formed by an additional reinforcement pin separate from the guide element, fixed to the counterplate and / or to the guide element, to reinforce the mechanical strength. lock.
- the reinforcing pin and / or the additional reinforcement pin is only fixed by screwing to the guide element or against the plate.
- said guide element has two bearings, the guide hole cooperating with the pawl axis being formed in a first bearing and a second bearing being bonded to the counterplate.
- the Figures 1 to 5 represent elements of a lock 1 for opening of a motor vehicle according to a first embodiment.
- the lock 1 comprises a housing 2 for example made of plastic, a metal counterplate 3, also called an outer plate, for example sheet metal, closing the housing 2 by defining a retention compartment.
- the metal counterplate 3 comprises fastening means for fastening the lock to an opening of a motor vehicle by screwing, such as three fastening orifices 8 surrounded by a threaded collar extending on the side of the opening.
- the retention compartment houses the retention elements of the lock, such as a bolt 5 and a pawl 6 ( figure 4 ).
- the bolt 5 has the general shape of a fork defining a notch 5a which in the closed position of the lock receives and retains a striker (not shown) attached to the body of a motor vehicle, in the edge of the opening.
- the bolt 5 is rotatably mounted on a bolt axis 7 of the lock fixed to the counter plate 3.
- the bolt axis 7 has a radial shoulder 7a for holding the bolt 5 ( figure 2 ).
- An elastic return means of the bolt 5 (not shown), such as a torsion spring, is received above the radial shoulder 7a.
- the pawl 6 is called “ratchet” because it comprises a pawl axis 10 and a retaining end 11 integral in rotation, obtained for example from two separate parts which have been joined or directly formed in one piece ( figure 4 ).
- the retaining end 11 is adapted to cooperate with a notch of the bolt 5 to prevent rotation of the bolt 5 in the closed position of the lock.
- the lock has two closed positions: a closed position at the first notch in which the pawl 6 cooperates with a first notch 5b of the bolt 5 and a closed position at the second notch in which the pawl 11 cooperates with a second notch 5c of the bolt 5.
- the bolt 5 is thus pivotable relative to the bolt axis 7 fixed, between the closed positions first and second notch and an open position of the lock.
- the lock further comprises a guide element 41 made of metallic material for holding and guiding the pawl pin 10.
- the pawl pin 10 is held pivotally by a guide hole 12 formed in a plate 9 of the guide element 41 on the one hand, and a hole of the counterplate 13 on the other hand ( figure 4 ).
- the guide hole 12 of the guide element 41 and the hole of the counterplate 13 are, for example, bores.
- the guide element 41 is disjointed from the bolt axis 7.
- the guide element 41 is not connected to the bolt axis 7.
- the lock 1 also comprises at least one reinforcing pillar holding the guide element 41.
- the reinforcing pillar is formed by a reinforcing tab 14 made in one piece with the guide element 41.
- the reinforcing tab 14 and the guide element 41 are for example obtained by folding.
- the reinforcing tab 14 is for example folded perpendicular to the plane defined by the plate 9 of the guide element 41.
- the end 16 of the reinforcing lug 14 is for example fixed to the counterplate 3 by deformation of material, such as by riveting or punching, at the rear of an associated reinforcing hole formed in the counterplate 3. According to another fixing example, the end 16 of the reinforcing tab is welded to the counterplate 3.
- the reinforcing tab 14 is for example arranged next to the pawl axis 10. It is thus expected to bring as much as possible the reinforcing pillar of the pawl axis 10 while limiting the risk of parasitic friction between the moving parts. taking into account their tolerances and also avoiding possible blockages of moving parts in the event of freezing by retention in the interstice.
- the shortest distance d1 between a tangent to the guide hole 12 of the pawl axis 10 and the reinforcing tab 14 is for example between 0.5 and 10 millimeters, such as of the order of 1 millimeter ( figure 5 ).
- the shortest distance d2 between a tangent to the guide hole 12 of the pawl axis 10 and the reinforcement tab is greater than 10 millimeters and is less than 25 millimeters.
- the reinforcement lug 14 is then arranged farther out of a deflection zone of the actuating wing 18 of the ratchet 20.
- the fastening of the lock in the edge of the opening is thus carried out by the counterplate 3.
- the lock no longer comprises a plate as in the prior art but a guide element whose main role is limited to rotating guidance. of the ratchet pin 10 and the mechanical strength of the lock 1.
- the guide element 41 no longer takes the attachment points of the counter plate 3 of the state of the art but uses the reinforcing pillar for ensure its mechanical strength with respect to the plate against 3.
- the lock without platinum is lightened and its cost is reduced.
- the reinforcing pillar makes it possible to compensate for the fact that, in the case of a tree pawl 6, the pawl axis 10 does not participate in the mechanical connection with the counterplate 3, since it is pivotally mounted.
- This solution also has the advantage that the interfaces of the motor vehicle, such as the number and positioning of attachment points to the opening of the motor vehicle, or such as the connection to the actuating parts of the various operating kinematics of the lock, can be kept without modifications.
- the lock 1 is thus slightly modified, which allows the use of standard elements of the lock.
- a notch of the bolt 5 intended to cooperate with the retaining end 11 of the pawl 6 is housed under the plate 9 of the guide member 41 in the closed position.
- the first notch 5b of the bolt 5 is received under the plate 9 in the first notch position.
- the second notch 5c of the bolt 5 is received under the plate 9 in the second locking position ( figure 2 ).
- the guide member 41 serves as an axial stop for the bolt 5 when the lock 1 is closed, thus preventing the bolt 5 from lying down or escaping from the pawl 6.
- the guiding element 41 thus has a shape just for keeping the guide hole 12 in the plate 9 extended on one side by the reinforcement lug 14, the plate 9 forming an axial stop for the bolt 5.
- the shape of the lug Guiding element 41 is thus reduced to its rotational guiding functions of the pawl axis 10, holding and axial stop bolt 5.
- the interest that the guide element 41 is received in the housing 2 is that the housing 2 then forms a cover covering the retention part. This arrangement makes it possible to better manage the tightness of the lock by reducing the risks of migration of water or dust towards the kinematic part.
- the lock comprises two reinforcing tabs 14, 15 arranged next to the pawl axis 10.
- the reinforcing tabs 14, 15 extend for example substantially on either side of the plate 9 of the guide element 42 in which is formed the guide hole 12.
- the shortest distance d2 between a tangent to the hole 12 of the ratchet pin 10 and the additional reinforcement lug 15 is greater than 10 millimeters and is less than 25 millimeters.
- the mechanical strength of the lock is thus reinforced by this second reinforcing pillar.
- the plate 9 has a larger surface to lock the axial displacement of the bolt 5 in the closed position.
- the reinforcing pillar is distinct from the guide element 43.
- the reinforcing pin is, for example, formed by a reinforcing pin 21 fixed to the counter-plate 3 and to the guide element 43.
- the reinforcing pin 21 is arranged parallel to the pawl axis 10.
- the reinforcing pin 21 is for example fastened to the counter-plate 3 and to the guide element 43 by welding or deformation of material, such as by riveting, in a reinforcing hole 17 formed in the plate 9 of the guide element 43 and an associated reinforcing hole in the counterplate 3 ( figure 9 ).
- the guiding element 43 then provides a mechanical holding both radial and axial of the pawl axis 10.
- the reinforcing pin 21 is only screw-fastened to the guide member 43 or to the counter plate 3.
- the attachment to the guide member 43 or against the plate-plate 3 then ensures a strengthening of the holding radial mechanism of the ratchet pin 10.
- the side of the reinforcing pin 21 which is not threaded may have a head of complementary shape of the associated reinforcing hole of the guide member 43 or against the plate 3 for in particular avoid swiveling of the reinforcing pin 21.
- the lock may further comprise a spacer interposed between the guide member 43 and against-plate 3 to ensure the spacing between the two parts.
- the lock 1 also comprises generally a false ratchet 20 having an actuating wing 18 intended to cooperate with a lever of the kinematics of the lock ( figure 1 ).
- the false ratchet 20 rotates integrally with the pawl 6. It is then expected that the reinforcing pin 21 is fixed to the plate 9 of the guide member 43 outside a deflection zone of the actuating wing 18 of the false -cliquet 20, so as to leave the field free for the actuating wing 18 and thus avoid the risk of friction between the false pawl 20 in motion and the protruding end of the reinforcing pin 21.
- the lock comprises an additional reinforcing pillar 22 formed by a reinforcing pin distinct from the guide element 44, fixed to the counterplate 3 or to the guide element 44.
- the reinforcing pin 21 is for example fixed to the counter-plate 3 and to the guide element 44 by welding or deformation of material.
- the additional reinforcing pin 22 is fixed to the counterplate 3 and / or to the guide element 44, for example by welding or by deformation of material.
- the additional reinforcement pin 22 is only screw-fastened to the guide element 44 or to the counterplate 3.
- the attachment to the element guidance 44 or the counter-plate 3 then ensures a strengthening of the radial mechanical strength of the pawl pin 10.
- the side of the additional reinforcement pin 22 which is not threaded may have a complementary shape head of the hole of additional reinforcement 19 of the guide element 44 or against the plate against 3 in particular to avoid the swiveling of the additional reinforcing pin 22.
- the second reinforcing pin 17 cooperates with the guide element 44 at the rear of the deflection zone of the actuating wing 18 with respect to the pawl axis 10.
- the lock comprises a reinforcing pillar formed by a reinforcing tab 14 in one piece with the guide element 45 and an additional reinforcing pillar formed by an additional reinforcing pin 22.
- the guide element 45 may also comprise a support 27 for immobilizing the false pawl 20 in the rest position.
- the support 27 can also receive a damper false-ratchet 20 to reduce the noise of the lock.
- the guide element 46 has two bearings.
- the first bearing is formed by the plate 9 in which at least the guide hole 12 cooperating with the pawl axis 10 is formed.
- the second bearing 23 is fixed to the counterplate 3.
- the second bearing 23 comprises a fixing orifice 24 coinciding with a corresponding fixing orifice of the counterplate 3, for fixing between the guide element 46 and the counterplate 3, for example with the aid of a axis, for example riveted or welded, or with a screw.
- the lock further comprises an outer opening axis 25 for cooperating with an opening lever outside the lock.
- the outer aperture axis 25 is used as pivot for pivoting of the outer aperture lever (not shown) and one end of this outer aperture axis 25 is attached to the counterplate 3.
- the localization of this end to fix by welding or by deformation of material, such as by riveting, the second bearing 23 the guide element 46 with the against-plate 3 because the location of the end of the opening axis outer 25 may be suitable for both of these functions.
- the cost of the lock is thus reduced by using the outer opening axis 25 to improve the mechanical strength of the retention part.
Landscapes
- Lock And Its Accessories (AREA)
- Connection Of Plates (AREA)
Description
La présente invention concerne une serrure pour un ouvrant de véhicule automobile, notamment pour une portière, un hayon, une lunette de hayon ou un coffre de véhicule automobile.The present invention relates to a lock for an opening of a motor vehicle, in particular for a door, a tailgate, a tailgate bezel or a trunk of a motor vehicle.
La partie rétention des serrures classiques comporte généralement une contre-plaque métallique, également appelée plaque extérieure, et une platine, également appelée plaque intérieure, la contre-plaque étant en appui contre la tôlerie de l'ouvrant du véhicule automobile.The retention portion of conventional locks generally comprises a metal counterplate, also called outer plate, and a plate, also called inner plate, the against-plate being in abutment against the sheet metal of the opening of the motor vehicle.
Pour les serrures dont le cliquet est solidaire de l'axe de cliquet, également appelé « cliquet arbré », l'axe de cliquet est maintenu pivotant par la platine et la contre-plaque, lesquelles assurent son maintien et son guidage en pivotement.For the locks whose pawl is secured to the pawl pin, also called "ratchet tree", the pawl pin is held pivotally by the plate and against the plate, which ensure its holding and its pivoting guide.
La fixation de la serrure est réalisée soit par la platine, soit par la contre-plaque. Lorsque la fixation de la serrure est réalisée par la platine, celle-ci présente des taraudages alignés avec des trous correspondants de la contre-plaque, le nombre et la position des taraudages de la platine étant imposés par le constructeur. Le montage de la serrure au véhicule permet ainsi en même temps de fixer ensemble la platine avec la contre-plaque. Une serrure, selon le préambule de la revendication 1 est connu du document
En outre, il n'est pas possible de déroger à l'utilisation de pièces métalliques pour la partie rétention qui subit les efforts lors d'un crash.In addition, it is not possible to derogate from the use of metal parts for the retention part which undergoes the efforts during a crash.
Un des buts de la présente invention est de remédier à ces problèmes en proposant une serrure dont la masse et le coût sont réduits, tout en satisfaisant les performances de tenue mécanique.One of the aims of the present invention is to remedy these problems by proposing a lock whose mass and cost are reduced, while satisfying the performance of mechanical strength.
A cet effet, l'invention a pour objet une serrure pour ouvrant de véhicule automobile comportant :
- une contre-plaque destinée à être fixée à un ouvrant de véhicule automobile,
- un pêne et un axe de pêne, le pêne étant destiné à coopérer avec une gâche et susceptible de tourner autour de l'axe de pêne entre une position ouverte et une position fermée de la serrure, et
- un cliquet comportant un axe de cliquet pivotant et une extrémité de retenue apte à coopérer avec ledit pêne en position fermée de la serrure pour empêcher la rotation du pêne,
- a counterplate intended to be fixed to an opening leaf of a motor vehicle,
- a bolt and a bolt pin, the bolt being adapted to cooperate with a strike and capable of rotating about the bolt axis between an open position and a closed position of the lock, and
- a pawl having a pivoting pawl axis and a retaining end adapted to cooperate with said bolt in the closed position of the lock to prevent rotation of the bolt,
La fixation de la serrure dans le chant de l'ouvrant est ainsi réalisée par la contre-plaque. La serrure ne comporte plus de platine comme dans l'art antérieur mais un élément de guidage dont le rôle principal est limité au guidage en rotation de l'axe de cliquet et à la tenue mécanique de la serrure. L'élément de guidage ne reprend plus les points de fixation de la contre-plaque de l'état de la technique mais utilise le pilier de renfort pour assurer sa tenue mécanique par rapport à la contre-plaque. La serrure sans platine est allégée et son coût est diminué. Le pilier de renfort permet de compenser le fait que dans le cas d'un cliquet arbré, l'axe de cliquet est monté pivotant.The fastening of the lock in the edge of the opening is thus achieved by the backplate. The lock no longer comprises platinum as in the prior art but a guide element whose main role is limited to guiding the rotation of the pawl axis and the mechanical strength of the lock. The guide element no longer takes the attachment points of the counterplate of the state of the art but uses the reinforcing pillar to ensure its mechanical strength relative to the counterplate. The lock without platinum is lightened and its cost is reduced. The reinforcing pillar makes it possible to compensate for the fact that, in the case of a tree pawl, the pawl pin is pivotally mounted.
Cette solution présente également l'avantage que les interfaces du véhicules automobiles, tels que le nombre et le positionnement des points de fixation à l'ouvrant du véhicule automobile, ou tel que le raccord aux pièces d'actionnement des différentes cinématiques de fonctionnement de la serrure, puissent être conservés sans modifications. La serrure est ainsi peu modifiée, ce qui permet l'emploi d'éléments standards de la serrure.This solution also has the advantage that the interfaces of the motor vehicle, such as the number and positioning of attachment points to the opening of the motor vehicle, or such as the connection to the actuating parts of the various operating kinematics of the lock, can be kept without modifications. The lock is thus slightly modified, which allows the use of standard elements of the lock.
Selon un exemple de réalisation, un cran du pêne destiné à coopérer avec l'extrémité de retenue du cliquet vient se loger sous l'élément de guidage dans la position de fermeture. En outre, l'élément de guidage est reçu dans un boîtier de la serrure.According to an exemplary embodiment, a notch of the bolt intended to cooperate with the retaining end of the pawl is housed under the guide element in the closed position. In addition, the guide element is received in a housing of the lock.
On empêche ainsi le pêne de se coucher ou de s'échapper du cliquet dans la position de fermeture de la serrure. La forme de l'élément de guidage est ainsi réduite à ses fonctions de guidage en rotation de l'axe de cliquet, de maintien et de butée axiale du pêne.This prevents the bolt to lie down or escape the pawl in the closed position of the lock. The shape of the guide element is thus reduced to its rotational guiding functions of the pawl axis, holding and axial stop of the bolt.
L'intérêt que l'élément de guidage soit reçu dans le boîtier de la serrure est que le boîtier forme alors un couvercle capotant la partie rétention. Cet agencement permet de mieux gérer l'étanchéité de la serrure en réduisant les risques de migration d'eau ou de poussières vers la partie cinématique.The interest that the guide element is received in the housing of the lock is that the housing then forms a cover covering the retention part. This arrangement makes it possible to better manage the tightness of the lock by reducing the risks of migration of water or dust towards the kinematic part.
Selon un exemple de réalisation, un pilier de renfort est un pion de renfort distinct de l'élément de guidage, fixé à la contre-plaque et à l'élément de guidage.According to an exemplary embodiment, a reinforcing pillar is a reinforcing pin separate from the guide element, fixed to the counterplate and to the guide element.
Selon un exemple de réalisation, la fixation du pion de renfort à l'élément de guidage est réalisée par déformation de matière ou par soudure.According to an exemplary embodiment, the fixing of the reinforcing pin to the guide element is carried out by deformation of material or by welding.
Selon un exemple de réalisation, un pilier de renfort est une patte de renfort, formée d'une seule pièce avec l'élément de guidage et dont l'extrémité est fixée à la contre-plaque.According to an exemplary embodiment, a reinforcing pillar is a reinforcing tab, formed in one piece with the guide element and whose end is fixed to the counterplate.
Selon un exemple de réalisation, au moins un pilier de renfort est agencé à côté de l'axe de cliquet. La distance la plus courte entre une tangente au trou de guidage de l'axe de cliquet et le pilier de renfort est comprise entre 0,5 et 10 millimètres. On rapproche ainsi le plus possible le pilier de renfort de l'axe de cliquet tout en limitant les risques de frottement parasites avec les pièces mobiles en prenant en compte leurs tolérances et en évitant également d'éventuels blocages des pièces mobiles en cas de gel par rétention dans l'interstice.According to an exemplary embodiment, at least one reinforcing pillar is arranged next to the pawl axis. The shortest distance between a tangent to the guide hole of the pawl axis and the reinforcing pillar is between 0.5 and 10 millimeters. This brings the reinforcing pillar as close as possible to the pawl axis while limiting the risks of parasitic friction with the moving parts taking into account their tolerances and also avoiding possible blockages of the moving parts in case of freezing by retention in the interstice.
Selon un autre exemple, la distance la plus courte entre une tangente au trou de guidage de l'axe de cliquet et au moins un pilier de renfort est supérieure à 10 millimètres et est inférieure à 25 millimètres. Le pilier de renfort peut alors être agencé plus loin, par exemple hors d'une zone de débattement de l'aile d'actionnement du faux-cliquet.In another example, the shortest distance between a tangent to the guide hole of the pawl axis and at least one reinforcing pillar is greater than 10 millimeters and is less than 25 millimeters. The reinforcing pillar can then be arranged further, for example out of a deflection zone of the actuating wing of the false ratchet.
Selon un exemple de réalisation, la serrure comporte un pilier de renfort supplémentaire formé par un pion de renfort supplémentaire distinct de l'élément de guidage, fixé à la contre-plaque et/ou à l'élément de guidage, pour renforcer la tenue mécanique de la serrure.According to an exemplary embodiment, the lock comprises an additional reinforcing pillar formed by an additional reinforcement pin separate from the guide element, fixed to the counterplate and / or to the guide element, to reinforce the mechanical strength. lock.
Selon un exemple de réalisation, le pion de renfort et/ou le pion de renfort supplémentaire est uniquement fixé par vissage à l'élément de guidage ou à la contre-plaque.According to an exemplary embodiment, the reinforcing pin and / or the additional reinforcement pin is only fixed by screwing to the guide element or against the plate.
Selon un exemple de réalisation, ledit élément de guidage présente deux paliers, le trou de guidage coopérant avec l'axe de cliquet étant ménagé dans un premier palier et un deuxième palier étant lié à la contre-plaque.According to an exemplary embodiment, said guide element has two bearings, the guide hole cooperating with the pawl axis being formed in a first bearing and a second bearing being bonded to the counterplate.
D'autres avantages et caractéristiques apparaîtront à la lecture de la description de l'invention, ainsi que des figures suivantes sur lesquelles :
- la
figure 1 est une vue en perspective d'éléments d'une serrure pour ouvrant de véhicule automobile selon un premier mode de réalisation, vue du côté intérieur, avec un boîtier en coupe partielle, - la
figure 2 est une vue de la serrure analogue à lafigure 1 , sans boîtier, en position de fermeture deuxième cran, - la
figure 3 est une vue en perspective du dos de la serrure de lafigure 2 , - la
figure 4 est une vue en éclaté de la serrure de lafigure 2 , - la
figure 5 représente une vue en perspective de l'élément de guidage de la serrure de lafigure 4 , - la
figure 6 représente une vue en perspective d'une variante de réalisation de la serrure de lafigure 1 , - la
figure 7 représente une vue en perspective de l'élément de guidage de la serrure de lafigure 6 , - la
figure 8 représente une vue en perspective d'éléments d'une serrure pour ouvrant de véhicule automobile selon un deuxième mode de réalisation, - la
figure 9 représente une vue en perspective de l'élément de guidage de la serrure de lafigure 8 , - la
figure 10 représente une vue en perspective d'éléments d'une serrure pour ouvrant de véhicule automobile selon un troisième mode de réalisation, - la
figure 11 représente une vue en perspective de l'élément de guidage de la serrure de lafigure 10 , - la
figure 12 représente une vue en perspective d'éléments d'une serrure pour ouvrant de véhicule automobile selon un quatrième mode de réalisation, - la
figure 13 représente une vue en perspective de l'élément de guidage de la serrure de lafigure 12 , - la
figure 14 représente une vue en perspective d'éléments d'une serrure pour ouvrant de véhicule automobile selon un cinquième mode de réalisation, et - la
figure 15 représente une vue en perspective de l'élément de guidage de la serrure de lafigure 14 .
- the
figure 1 is a perspective view of elements of a lock for a motor vehicle door according to a first embodiment, seen from the inside, with a partial sectional housing, - the
figure 2 is a view of the lock similar to thefigure 1 , without housing, in second-notch position, - the
figure 3 is a perspective view of the back of the lock of thefigure 2 , - the
figure 4 is an exploded view of the lock of thefigure 2 , - the
figure 5 represents a perspective view of the guide element of the lock of thefigure 4 , - the
figure 6 represents a perspective view of an alternative embodiment of the lock of thefigure 1 , - the
figure 7 represents a perspective view of the guide element of the lock of thefigure 6 , - the
figure 8 represents a perspective view of elements of a lock for a motor vehicle opening according to a second embodiment, - the
figure 9 represents a perspective view of the guide element of the lock of thefigure 8 , - the
figure 10 represents a perspective view of elements of a lock for a motor vehicle opening according to a third embodiment, - the
figure 11 represents a perspective view of the guide element of the lock of thefigure 10 , - the
figure 12 represents a perspective view of elements of a lock for a motor vehicle door according to a fourth embodiment, - the
figure 13 represents a perspective view of the guide element of the lock of thefigure 12 , - the
figure 14 represents a perspective view of elements of a lock for a motor vehicle door according to a fifth embodiment, and - the
figure 15 represents a perspective view of the guide element of the lock of thefigure 14 .
Sur toutes les figures, les éléments identiques portent les mêmes numéros de référence. Pour une meilleure compréhension de l'invention, seuls les éléments impliqués dans l'invention ont été représentés.In all the figures, the identical elements bear the same reference numbers. For a better understanding of the invention, only the elements involved in the invention have been represented.
Les
La serrure 1 comporte un boîtier 2 par exemple en matière plastique, une contre-plaque métallique 3, également appelée plaque extérieure, par exemple en tôle, fermant le boîtier 2 en définissant un compartiment de rétention.The
La contre-plaque métallique 3 comporte des moyens de fixation pour la fixation par vissage de la serrure à un ouvrant de véhicule automobile, tels que trois orifices de fixation 8 cerclés d'un collet taraudé s'étendant du côté de l'ouvrant.The
Le compartiment de rétention loge les éléments de rétention de la serrure, tels qu'un pêne 5 et un cliquet 6 (
Le pêne 5 comporte la forme générale d'une fourche définissant une échancrure 5a qui dans la position fermée de la serrure reçoit et retient une gâche (non représentée) fixée à la carrosserie d'un véhicule automobile, dans le chant de l'ouvrant.The
Le pêne 5 est monté en rotation sur un axe de pêne 7 de la serrure fixé à la contre-plaque 3. Dans l'exemple représenté, l'axe de pêne 7 présente un épaulement radial 7a pour le maintien du pêne 5 (
Le cliquet 6 est dit « cliquet arbré » car il comporte un axe de cliquet 10 et une extrémité de retenue 11 solidaires en rotation, obtenu par exemple à partir de deux pièces distinctes qui ont été solidarisées ou directement formé d'une seule pièce (
L'extrémité de retenue 11 est apte à coopérer avec un cran du pêne 5 pour empêcher une rotation du pêne 5 en position fermée de la serrure. Dans l'exemple illustré sur les figures, la serrure a deux positions de fermeture : une position fermée au premier cran dans laquelle le cliquet 6 coopère avec un premier cran 5b du pêne 5 et une position fermée au deuxième cran dans laquelle le cliquet 11 coopère avec un deuxième cran 5c du pêne 5.The retaining
Le pêne 5 est ainsi pivotant par rapport à l'axe de pêne 7 fixe, entre les positions fermées premier et deuxième cran et une position ouverte de la serrure.The
La serrure comporte en outre un élément de guidage 41, en matériau métallique pour le maintien et le guidage de l'axe de cliquet 10. Ainsi, l'axe de cliquet 10 est maintenu pivotant par un trou de guidage 12 ménagé dans un plateau 9 de l'élément de guidage 41 d'une part, et un trou de la contre-plaque 13 d'autre part (
Pour son maintien, l'élément de guidage 41 est disjoint de l'axe de pêne 7. En d'autres termes, l'élément de guidage 41 n'est pas lié à l'axe de pêne 7. En revanche, la serrure 1 comporte également au moins un pilier de renfort maintenant l'élément de guidage 41.For its maintenance, the
Dans l'exemple de réalisation des
La patte de renfort 14 et l'élément de guidage 41 sont par exemple obtenus par pliage. La patte de renfort 14 est par exemple pliée perpendiculairement au plan défini par le plateau 9 de l'élément de guidage 41.The reinforcing
L'extrémité 16 de la patte de renfort 14 est par exemple fixée à la contreplaque 3 par déformation de matière, telle que par rivetage ou poinçonnage, à l'arrière d'un trou de renfort associé ménagé dans la contreplaque 3. Selon un autre exemple de fixation, l'extrémité 16 de la patte de renfort est soudée à la contreplaque 3.The
La patte de renfort 14 est par exemple agencée à côté de l'axe de cliquet 10. On prévoit ainsi de rapprocher le plus possible le pilier de renfort de l'axe de cliquet 10 tout en limitant les risques de frottement parasites entre les pièces mobiles en prenant en compte leurs tolérances et en évitant également d'éventuels blocages des pièces mobiles en cas de gel par rétention dans l'interstice. La distance d1 la plus courte entre une tangente au trou de guidage 12 de l'axe de cliquet 10 et la patte de renfort 14 est par exemple comprise entre 0,5 et 10 millimètres, telle que de l'ordre de 1 millimètre (
Selon un autre exemple, la distance d2 la plus courte entre une tangente au trou de guidage 12 de l'axe de cliquet 10 et la patte de renfort (non représentée) est supérieure à 10 millimètres et est inférieure à 25 millimètres. La patte de renfort 14 est alors agencée plus loin, hors d'une zone de débattement de l'aile d'actionnement 18 du faux-cliquet 20.In another example, the shortest distance d2 between a tangent to the
La fixation de la serrure dans le chant de l'ouvrant est ainsi réalisée par la contre-plaque 3. La serrure ne comporte plus de platine comme dans l'art antérieur mais un élément de guidage dont le rôle principal est limité au guidage en rotation de l'axe de cliquet 10 et à la tenue mécanique de la serrure 1. L'élément de guidage 41 ne reprend plus les points de fixation de la contre-plaque 3 de l'état de la technique mais utilise le pilier de renfort pour assurer sa tenue mécanique par rapport à la contre-plaque 3. La serrure sans platine est allégée et son coût est diminué. Le pilier de renfort permet de compenser le fait que dans le cas d'un cliquet arbré 6, l'axe de cliquet 10 ne participe pas à la liaison mécanique avec la contre-plaque 3, puisqu'il est monté pivotant.The fastening of the lock in the edge of the opening is thus carried out by the
Cette solution présente également l'avantage que les interfaces du véhicules automobiles, tels que le nombre et le positionnement des points de fixation à l'ouvrant du véhicule automobile, ou tel que le raccord aux pièces d'actionnement des différentes cinématiques de fonctionnement de la serrure, puissent être conservés sans modifications. La serrure 1 est ainsi peu modifiée, ce qui permet l'emploi d'éléments standards de la serrure.This solution also has the advantage that the interfaces of the motor vehicle, such as the number and positioning of attachment points to the opening of the motor vehicle, or such as the connection to the actuating parts of the various operating kinematics of the lock, can be kept without modifications. The
Selon un exemple de réalisation, un cran du pêne 5 destiné à coopérer avec l'extrémité de retenue 11 du cliquet 6 vient se loger sous le plateau 9 de l'élément de guidage 41 dans la position de fermeture. Dans le cas d'un pêne comportant deux crans 5b, 5c, le premier cran 5b du pêne 5 est reçu sous le plateau 9 dans la position de fermeture premier cran. Le deuxième cran 5c du pêne 5 est reçu sous le plateau 9 dans la position de fermeture deuxième cran (
Etant donné que le boîtier 2 surmonte l'élément de guidage 41, rien n'est interposé entre le pêne 5 et l'élément de guidage 41 de sorte que le pêne 5 est directement logé sous le plateau 9. L'élément de guidage 41 sert alors de butée axiale pour le pêne 5 lorsque la serrure 1 est fermée, empêchant ainsi le pêne 5 de se coucher ou de s'échapper du cliquet 6.Since the
L'élément de guidage 41 présente ainsi une forme permettant juste de ménager le trou de guidage 12 dans le plateau 9 prolongé d'un côté par la patte de renfort 14, le plateau 9 formant butée axiale pour le pêne 5. La forme de l'élément de guidage 41 est ainsi réduite à ses fonctions de guidage en rotation de l'axe de cliquet 10, de maintien et de butée axiale de pêne 5.The guiding
L'intérêt que l'élément de guidage 41 soit reçu dans le boîtier 2 est que le boîtier 2 forme alors un couvercle capotant la partie rétention. Cet agencement permet de mieux gérer l'étanchéité de la serrure en réduisant les risques de migration d'eau ou de poussières vers la partie cinématique.The interest that the
Dans une variante représentée par les
Les pattes de renfort 14, 15 s'étendent par exemple sensiblement de part et d'autre du plateau 9 de l'élément de guidage 42 dans lequel est ménagé le trou de guidage 12. La distance d2 la plus courte entre une tangente au trou de guidage 12 de l'axe de cliquet 10 et la patte de renfort supplémentaire 15 est supérieure à 10 millimètres et est inférieure à 25 millimètres. La tenue mécanique de la serrure est ainsi renforcée par ce deuxième pilier de renfort. De plus, le plateau 9 présente une surface plus importante pour verrouiller le déplacement axial du pêne 5 en position de fermeture.The reinforcing
Selon un deuxième mode de réalisation représenté sur les
Le pilier de renfort est par exemple formé par un pion de renfort 21, fixé à la contre-plaque 3 et à l'élément de guidage 43. Le pion de renfort 21 est agencé parallèlement à l'axe de cliquet 10.The reinforcing pin is, for example, formed by a reinforcing
Le pion de renfort 21 est par exemple fixé à la contre-plaque 3 et à l'élément de guidage 43 par soudure ou par déformation de matière, telle que par rivetage, dans un trou de renfort 17 ménagé dans le plateau 9 de l'élément de guidage 43 et un trou de renfort associé ménagé dans la contre-plaque 3 (
Alternativement, le pion de renfort 21 est uniquement fixé par vissage à l'élément de guidage 43 ou à la contre-plaque 3. La fixation à l'élément de guidage 43 ou à la contre-plaque 3 assure alors un renforcement de la tenue mécanique radiale de l'axe de cliquet 10. Le côté du pion de renfort 21 qui n'est pas fileté peut présenter une tête de forme complémentaire du trou de renfort associé de l'élément de guidage 43 ou de la contre-plaque 3 pour notamment éviter le rotulage du pion de renfort 21. La serrure peut en outre comporter une entretoise interposée entre l'élément de guidage 43 et la contre-plaque 3 pour assurer l'écartement entre les deux pièces.Alternatively, the reinforcing
La serrure 1 comporte en outre généralement un faux-cliquet 20 présentant une aile d'actionnement 18 destinée à coopérer avec un levier de la cinématique de la serrure (
Selon une variante représentée sur les
Comme précédemment, le pion de renfort 21 est par exemple fixé à la contre-plaque 3 et à l'élément de guidage 44 par soudure ou par déformation de matière.As before, the reinforcing
Le pion de renfort supplémentaire 22 est fixé à la contre-plaque 3 et/ou à l'élément de guidage 44 par exemple soudure ou par déformation de matière.The additional reinforcing
Alternativement, le pion de renfort supplémentaire 22 est uniquement fixé par vissage à l'élément de guidage 44 ou à la contre-plaque 3. La fixation à l'élément de guidage 44 ou à la contre-plaque 3 assure alors un renforcement de la tenue mécanique radiale de l'axe de cliquet 10. Le côté du pion de renfort supplémentaire 22 qui n'est pas fileté peut présenter une tête de forme complémentaire du trou de renfort supplémentaire 19 de l'élément de guidage 44 ou de la contre-plaque 3 pour notamment éviter le rotulage du pion de renfort supplémentaire 22.Alternatively, the
Selon un exemple d'agencement, le deuxième pion de renfort 17 coopère avec l'élément de guidage 44 à l'arrière de la zone de débattement de l'aile d'actionnement 18 par rapport à l'axe de cliquet 10.According to an exemplary arrangement, the second reinforcing
Selon un autre mode de réalisation représenté sur les
L'élément de guidage 45 peut également comporter un support 27 pour immobiliser le faux-cliquet 20 en position de repos. Le support 27 peut également recevoir un amortisseur du faux-cliquet 20 afin d'atténuer le bruit de la serrure.The
Selon un autre mode de réalisation représenté sur les
Le deuxième palier 23 comporte un orifice de fixation 24 coïncidant avec un orifice de fixation correspondant de la contre-plaque 3, pour la fixation entre l'élément de guidage 46 et la contre-plaque 3, par exemple à l'aide d'un axe, par exemple riveté ou soudé, ou à l'aide d'une vis.The
Dans l'exemple illustré par les
Claims (12)
- A latch for a motor vehicle door leaf including:- a backplate (3) intended to be fastened to a motor vehicle door leaf,- a bolt (5) and a bolt axis (7), the bolt (5) being intended to cooperate with a strike and likely to rotate about the bolt axis (7) between an open position and a closed position of the latch, and- a pawl (6) including a pivoting pawl axis (10) and a retaining end (11) capable of cooperating with said bolt (5) in the closed position of the latch in order to prevent the rotation of said bolt (5),characterized in that said latch includes a guide member (41; 42; 43; 44; 45; 46) in which at least one guide hole (12) is formed for guiding in rotation the pawl axis (10) and in that the latch includes at least one reinforcing pillar (14, 15; 21, 22) holding the guide member, said guide member (41; 42; 43; 44; 45; 46) being disjoint from the bolt axis (7).
- The latch according to claim 1, characterized in that a notch of the bolt (5) intended to cooperate with the retaining end (11) of the pawl (6) is housed under the guide member (41; 42; 43; 44; 45; 46) in the closed position.
- The latch according to any of claims 1 or 2, characterized in that the guide member (41; 42; 43; 44; 45; 46) is received in a casing (2) of the latch.
- The latch according to any of the preceding claims, characterized in that a reinforcing pillar is a reinforcing pin (21) distinct from the guide member (43; 44; 46), fastened to the backplate (3) and to the guide member (43; 44; 46).
- The latch according to claim 4, characterized in that the fastening of the reinforcing pin (21) to the guide member (43; 44; 46) is carried out by material deformation or by welding.
- The latch according to any of the preceding claims, characterized in that a reinforcing pillar is a reinforcing lug (14, 15), formed in one-piece part with the guide member (41; 42; 45) and whose end (16) is fastened to the backplate (3).
- The latch according to any of the preceding claims, characterized in that at least one reinforcing pillar (14, 15; 21, 22) is arranged next to the pawl axis (10).
- The latch according to claim 7, characterized in that the shortest distance (d1) between a tangent to the guide hole (12) of the pawl axis (10) and the reinforcing pillar (14; 21) is comprised between 0.5 and 10 millimeters.
- The latch according to any of the preceding claims, characterized in that the shortest distance (d2) between a tangent to the guide hole (12) of the pawl axis (10) and at least one reinforcing pillar (15; 22) is greater than 10 millimeters and is less than 25 millimeters.
- The latch according to any of the preceding claims, characterized in that it includes an additional reinforcing pillar formed by an additional reinforcing pin (22) distinct from the guide member (44; 45), fastened to the backplate (3) and/or to the guide member (44; 45).
- The latch according to any of claims 10 or 4, characterized in that the reinforcing pin (21) and/or the additional reinforcing pin (22) is only fastened by screwing to the guide member (43; 44; 45) or to the backplate (3).
- The latch according to any of the preceding claims, characterized in that said guide member (46) has two bearings, the guide hole (12) cooperating with the pawl axis (10) being formed in a first bearing and a second bearing (23) being linked to the backplate (3).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1358454A FR3010122B1 (en) | 2013-09-04 | 2013-09-04 | LOCK FOR OPENING OF MOTOR VEHICLE |
PCT/EP2014/068806 WO2015032844A1 (en) | 2013-09-04 | 2014-09-04 | Lock for a motor vehicle door |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3042014A1 EP3042014A1 (en) | 2016-07-13 |
EP3042014B1 true EP3042014B1 (en) | 2017-10-11 |
Family
ID=49510369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14758942.8A Active EP3042014B1 (en) | 2013-09-04 | 2014-09-04 | Lock for a motor vehicle door |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3042014B1 (en) |
CN (1) | CN105531432B (en) |
BR (1) | BR112016002515B1 (en) |
FR (1) | FR3010122B1 (en) |
WO (1) | WO2015032844A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015004282A1 (en) * | 2015-04-08 | 2016-10-13 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
CN111188542B (en) * | 2018-11-15 | 2022-11-15 | 开开特股份公司 | Automobile lock |
DE102019132507A1 (en) * | 2019-11-29 | 2021-06-02 | Kiekert Aktiengesellschaft | Method for manufacturing a motor vehicle locking device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0347383A (en) * | 1989-07-13 | 1991-02-28 | Honda Lock Mfg Co Ltd | Door lock device for car |
DE3934982A1 (en) * | 1989-10-20 | 1990-05-10 | Bocklenberg & Motte Bomoro | Car door lock with mechanism contg. housing - has plastics cover plate integral with locking mechanism contg. trough |
FR2786521B1 (en) * | 1998-11-26 | 2001-06-29 | Valeo Securite Habitacle | LOCK FOR RIGHT OR LEFT DOOR OF MOTOR VEHICLE |
FR2852347A1 (en) * | 2003-03-11 | 2004-09-17 | Valeo Securite Habitacle | Vehicle door lock, has bolt and ratchet mounted on counter plate, and reinforced plate with eyelet surrounding reinforced finger that delimits eyelet by cooperating with edge of reinforced plate during deformation of lock |
GB0822529D0 (en) * | 2008-12-10 | 2009-01-14 | Chevalier John P | Latch |
JP5629131B2 (en) * | 2010-06-09 | 2014-11-19 | 株式会社ニフコ | Locking device |
JP5006963B2 (en) * | 2010-10-25 | 2012-08-22 | 三井金属アクト株式会社 | Actuator for vehicle door latch device |
-
2013
- 2013-09-04 FR FR1358454A patent/FR3010122B1/en not_active Expired - Fee Related
-
2014
- 2014-09-04 BR BR112016002515-6A patent/BR112016002515B1/en active IP Right Grant
- 2014-09-04 CN CN201480048993.8A patent/CN105531432B/en active Active
- 2014-09-04 WO PCT/EP2014/068806 patent/WO2015032844A1/en active Application Filing
- 2014-09-04 EP EP14758942.8A patent/EP3042014B1/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
WO2015032844A1 (en) | 2015-03-12 |
CN105531432A (en) | 2016-04-27 |
FR3010122B1 (en) | 2015-08-14 |
EP3042014A1 (en) | 2016-07-13 |
BR112016002515B1 (en) | 2021-12-21 |
BR112016002515A2 (en) | 2017-08-29 |
CN105531432B (en) | 2017-05-24 |
FR3010122A1 (en) | 2015-03-06 |
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