EP2305929B1 - Serrure de véhicule automobile - Google Patents

Serrure de véhicule automobile Download PDF

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Publication number
EP2305929B1
EP2305929B1 EP10010761.4A EP10010761A EP2305929B1 EP 2305929 B1 EP2305929 B1 EP 2305929B1 EP 10010761 A EP10010761 A EP 10010761A EP 2305929 B1 EP2305929 B1 EP 2305929B1
Authority
EP
European Patent Office
Prior art keywords
engagement
lock
latch
motor vehicle
engagement plate
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.)
Not-in-force
Application number
EP10010761.4A
Other languages
German (de)
English (en)
Other versions
EP2305929A3 (fr
EP2305929A2 (fr
Inventor
Simon Brose
Jörg Schladweiler
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.)
Brose Schliesssysteme GmbH and Co KG
Original Assignee
Brose Schliesssysteme GmbH and Co KG
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 Brose Schliesssysteme GmbH and Co KG filed Critical Brose Schliesssysteme GmbH and Co KG
Publication of EP2305929A2 publication Critical patent/EP2305929A2/fr
Publication of EP2305929A3 publication Critical patent/EP2305929A3/fr
Application granted granted Critical
Publication of EP2305929B1 publication Critical patent/EP2305929B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/36—Noise prevention; Anti-rattling means
    • E05B77/40—Lock elements covered by silencing layers, e.g. coatings
    • 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
    • E05B85/26—Cooperation between bolts and detents

Definitions

  • the invention relates to a motor vehicle lock with the features of the preamble of claim 1 and the latch of such a motor vehicle lock according to the preamble of claim 13.
  • the motor vehicle lock in question may be associated with any closure element of a motor vehicle.
  • Examples include a side door, which may optionally be designed as a sliding door, a tailgate, a trunk lid, a hood or the like.
  • the known motor vehicle locks usually have the closing elements latch and pawl, which are the decisive components for locking a motor vehicle door o.
  • the latch is in an open position, a main closing position and, as far as provided, in a Vorsch practitioner displaced.
  • the pawl can be adjusted to an excavated state in which the latch is free of the pawl. Further, the pawl can be brought into a collapsed state in which it holds the latch in one of the two closed positions.
  • the lock latch is in holding engagement with a striker or the like.
  • the motor vehicle lock is usually arranged on the motor vehicle door or the like, and the closing wedge on the body of the motor vehicle.
  • the pawl lock latch For the engagement between the latch and the pawl lock latch is equipped with a main catch and an optionally existing pre-rest.
  • the pawl has a latching nose, which comes into engagement with the possibly existing pre-catch or the main catch during the closing operation.
  • the pawl is usually biased in the direction of incidence, so that it occurs in a snap action.
  • lock traps are now equipped with plastic sheaths to reduce the engagement noise between pawl and latch and lock wedge o. The like. And lock latch.
  • the problem here is the fact that fine particles, such as dust particles settle on the plastic surface and can press into local surface depressions. This "contamination" of the surface of the jacket leads to an increase in the unwanted creaking noises when engaging with the striker or the like.
  • the known motor vehicle lock ( DE 20 2006 009 003 U1 ), from which the invention proceeds, shows a lock latch, which has a metallic base body, with a jacket for reducing the engagement noise between the pawl and latch and between closing wedge and latch.
  • the casing in the engagement region of the inlet mouth made of a material of low coefficient of friction and / or high hardness compared with the material of the shell incidentally.
  • Such a sheath can be easily realized in two-component plastic injection molding.
  • Yet another known motor vehicle lock ( DE 10 2006 052 773 A1 ) has a trained as a plastic body trap, which is provided for noise reduction with elastically resilient loops and slots. This motor vehicle lock also shows a metallic contour for receiving a closing part in a main locking position.
  • the invention is based on the problem, the known motor vehicle lock in such a way and further develop that the noise caused by the relative movement between the locking wedge o. The like. And the lock latch is reduced by simple structural means.
  • the latch has an engaging plate which provides at least a portion of the engagement surface for the striker or the like. It is on the one hand readily possible to provide such an engaging plate with a substantially arbitrary surface hardness and a favorable coefficient of friction. On the other hand, the spring effect associated with the mounted engaging plate is adjustable with a suitable design of the overall arrangement in a wide range.
  • At least part of the above-mentioned spring action can be realized according to claim 2 preferably characterized in that the engaging plate is made of spring steel, in particular of leaf spring steel.
  • the engagement surface has an engagement profile associated with the striker.
  • the engagement between the latch and the striker o.
  • the like Parameterize in a wide range.
  • a substantially point or line-shaped contact with the closing wedge o for example, a substantially point or line-shaped contact with the closing wedge o. The like.
  • This can readily be achieved that the engagement between the latch and the striker o.
  • the like. Not changed, even if the angular position of the striker to the motor vehicle lock by the way by deformation o. The like should change. This can be important, especially in the event of a crash, since the local deformations must not lead to a tilting of the latch.
  • In the inlet mouth is accompanied by a bending of the possibly U-shaped engaging plate. This ensures that the closing wedge o. The like.
  • In the retracted position in particular in the main closed position, clamped by the engaging plate and thus to some extent sedated.
  • a partial encompassing of the closing wedge is provided by the engaging plate.
  • the proposed motor vehicle lock has, in addition to the locking elements shown latch bolt 1 and pawl 2 and a lock mechanism, not shown, a lock housing, not shown, etc. on. In the present case, however, the design of the latch 1 is of interest in the first place.
  • the latch 1 is in an open position, a main closed position ( Fig. 1 ) and in a Vorsch Struktur ein relocatable.
  • the latch has a main catch 3 and a pre-rest 4.
  • the pawl 2 is in an excavated state, in which the lock latch 1 is free from the pawl 2, and in a sunken state ( Fig. 1 ), in which the pawl 2 holds the latch 1 in the main closed position and in the possibly existing prelocking position, can be brought.
  • the pawl 2 can be brought with a detent 5 in engagement with the main catch 3 and the pre-detent 4.
  • other constructions for fixing the latch 1 may be provided.
  • the latch 1 In the main closed position and in the prelocking position, the latch 1 is in holding engagement with a closing wedge 6, which can also be configured as a locking bolt or as a striker.
  • a closing wedge 6 which can also be configured as a locking bolt or as a striker.
  • the latch 1 has an inlet mouth 7 with a corresponding engagement surface 8 for the striker 6 o. The like.
  • the latch 1 has a preferably metallic base body 9. This basic body 9 is primarily important to accommodate the high, transmitted over the locking wedge 6 holding forces.
  • the latch 1 is preferably provided with a sheath 1a of damping material, in particular of plastic.
  • the latch 1 has an engagement plate 10, which has at least one. Part of the engagement surface 8 for the striker 6 o. The like. Provides.
  • this is generally a metallic part, which can be produced, for example, from a strip material or the like.
  • the engaging plate 10 is a stamped and bent part.
  • the thickness of the engagement plate 10 is preferably between about 0.2 mm and about 0.8 mm, in particular about 0.4 mm.
  • the locking wedge 6 o.
  • the like Only in the main closed position with the engaging plate 10 into engagement. In principle, it can also be provided that the engagement plate 10 extends over the entire course of the inlet opening 7.
  • the proposed engagement plate 10 is best in the illustration according to Fig. 2 to recognize.
  • the engagement surface 8 is designed to be as hard and / or low-friction as possible in order to avoid creaking noises should be. It is therefore proposed that the engaging plate 10 is tempered, in particular in the near-surface region, in particular hardened. This is, of course, the near-surface area, which faces the closing wedge 6.
  • a further reduction of the unwanted creaking noises can be further preferably realized in that at least part of the engagement surface 8 of the engagement plate 10 is smooth, in particular polished.
  • surface coatings can be used with which the surface hardness, the friction behavior and the wear or the like can be adjusted.
  • the engagement surface 8 now has an engagement profile 11 assigned to the closing wedge 6, which substantially continues over at least part of the course of the intake mouth 7.
  • the engagement profile 11 is in Fig. 3 for the section AA ( Fig. 3a )) and for the section BB ( Fig. 3b )).
  • FIG. 3 shown engagement profile 11 continues here and preferably over the entire course of the engaging plate 10 and over part of the course of the inlet mouth 7 substantially.
  • substantially continue is meant here that the engagement profile 11 can also change over the course of the inlet mouth 7.
  • a slight change of the engagement profile 11 can already be a synopsis of Fig. 3a) and 3b ) remove.
  • point contact and "line contact” are to be understood broadly. In principle, this can also be the realization of circular or strip-shaped bearing surfaces. Also, the contact is not limited to a single “point” or a single “line”. It is essential that a support on the entire engagement surface 8 is not realized.
  • the advantage is the Acknowledgment that a reduction of the contact surface with a corresponding design is associated with a reduction of the creaking noises.
  • Fig. 3 shows that the engagement profile 11 is formed substantially convex.
  • Fig. 4b shows a further advantageous variant for this.
  • the convexly protruding portion of the engagement profile faces the closing wedge 6 or the like.
  • the engagement profile 11 has a substantially convex portion and, moreover, is configured substantially straight. This is shown by the Fig. 4a) and 4c ).
  • Optimal results with regard to the reduction of creaking noises on the one hand and the above-mentioned crash behavior on the other hand can be achieved with the in Fig. 3 achieve engagement profile 11 shown.
  • the engagement profile 11 is substantially arcuate, so "spherical" formed. In a particularly preferred embodiment, this is even a circular-arc-shaped engagement profile 11. On the one hand, this makes it possible, without further ado, to achieve a point or line-shaped contact in the above sense. On the other hand, it is particularly advantageous that a change in the angular position of the closing wedge 6 o. The like. To the latch 1 has no effect on the type of engagement between these two components.
  • the engagement profile 11 is formed overall arcuate. In principle, however, it can also be provided that the engagement profile 11 has only a substantially arcuate, in particular circular arc-shaped section 11a and, moreover, is straight. This is exemplary in Fig. 4a ).
  • the engagement profile 11 is formed substantially roof-shaped.
  • the "roof gable" of the roof-shaped configuration serves here and preferably the engagement with the closing wedge 6 o. The like ..
  • the term "roof-shaped” is to be understood here wide and also includes roof-shaped configurations with slightly flattened “gable”.
  • the engagement profile 11 only has a roof-shaped portion 11a and the rest is straight. This is exemplary in Fig. 4c ).
  • the engagement profiles are configured symmetrically with respect to a median plane.
  • the median plane is aligned perpendicular to the latch axis 1b and arranged substantially centrally with respect to the thickness of the latch 1.
  • the engagement profile 11 only partially has a profile formation 11a and, moreover, is configured straight, it is preferably such that the sectional profile formation 11a is arranged centrally with respect to the thickness of the lock catch 1. This is best done Fig. 4a) and 4c ) remove.
  • the engaging plate 10 is configured in a top view of one of the two flat sides of the latch bolt 1 is substantially U-shaped.
  • the engaging sheet 10 can be arranged in that region of the inlet mouth 7, which is particularly relevant for the creaking noises in question.
  • the engaging plate 10 is resilient at the respective point of engagement of the closing wedge 6.
  • the engagement force between the closing wedge 6 o.
  • the engaging plate 10 causes the resilient displacement, in particular deformation of the engaging plate 10.
  • the displacement or deformation takes place substantially "into the rotary latch".
  • the spring action can of course only be provided on a part of the possible points of engagement of the closing wedge 6 on the engaging plate.
  • the path of displacement or deformation of the engagement plate 10 is preferably between about 0.2 mm and about 0.6 mm, in particular about 0.4 mm.
  • the resilient configuration of the engagement plate 10 alone sufficient to realize the desired resilient effect at the respective point of engagement of the locking wedge 6 to avoid creaking noises.
  • the spring action it is not necessary to attach the engagement plate 10 to a sheathing 1a.
  • the desired spring effect can be adjusted very flexibly by the combination of sheathing 1a and engaging plate 10, as will be shown below.
  • the engaging plate 10 is partially or completely "backfilled” with the damping material, whereby the engaging plate 10 can be partially or completely decoupled to the main body 9 of the latch 1.
  • this decoupling can be optimized in terms of acoustics, vibration technology or strength engineering.
  • the lock catch axis 1b associated bearing dome is also acoustically decoupled from the main body 9 of the latch 1, so that the resulting noise is further reduced
  • the mechanical properties of the composite of the casing 1a and the engaging sheet 10 can be adjusted largely as desired by suitable parameterization of the casing 1a on the one hand and the engaging sheet 10 on the other hand.
  • the material properties and the design of the sheathing la in the region of the engagement plate 10 are preferably matched to the material properties and the design of the engagement plate 10 such that the combined arrangement of the engagement plate 10 and sheathing 1a at the respective engagement point of the closing wedge 6 acts resiliently. Accordingly, it is here and preferably such that the engagement force between the closing wedge 6 o. The like.
  • the engaging plate 10 causes a resilient displacement, possibly even deformation of the engaging plate 10.
  • the engaging plate 10 is completely attached to the casing 1a. It is also conceivable that the engaging plate 10 is partially attached to the casing 1 a and partially to the main body 9 of the latch 1. It is finally conceivable that the engaging plate 10 sections not at all is attached to the latch 1 in the rest and accordingly a gap between the engaging plate 10 and latch 1 remains. This can also be advantageous for the required spring action.
  • the casing 1a between the base body 9 and the engaging plate 10 has at least one buffer pocket 13 to increase the flexibility of the combined arrangement of the engaging sheet 10 and sheathing 1a.
  • buffer pockets 13 are recesses in the casing 1 a, which lead to a targeted weakening of the casing 1 a. These recesses can also be filled with a plastic or the like to further adjust the mechanical behavior.
  • the striker 6 o Depending on the design of the engagement plate 10, the striker 6 o. The like. In different ways with the engaging plate 10 and the casing 1 a in the region of the engaging plate 10 cooperate. In a particularly preferred embodiment, it is provided that the shrinkage of the closing wedge 6 o. The like. In the inlet mouth 7 with a resilient displacement, in particular deformation of the engaging plate 10, in particular with a bending of in Fig. 2 represented, U-shaped engaging plate 10, goes along. With such a "overpressure" can be a certain immobilization of the locking wedge 6 o. The like. In particular, reach in the main closed position.
  • a manufacturing technology advantageous variant is that the engaging plate 10 is clipped or glued to the latch 1, in particular to the casing 1a. It can also be provided that the engaging plate 10 is riveted to the latch 1, resulting in a particularly robust arrangement. Finally, the engaging plate 10 for attachment purposes in part by the casing 1a. is overmoulded.
  • the independent significance, the latch 1 of the above Kraftfabrzeugsches is claimed as such.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (13)

  1. Serrure de véhicule automobile comprenant un pêne de serrure (1), le pêne de serrure (1) pouvant être déplacé dans une position d'ouverture, dans une position de fermeture principale et éventuellement dans une position de pré-fermeture, le pêne de serrure (1), dans la position de fermeture principale et dans la position de pré-fermeture éventuellement prévue, étant en engagement de retenue avec une clavette de fermeture (6) ou similaire et présentant à cet effet une mâchoire d'entrée (7) avec une surface d'engagement correspondante (8), le pêne de serrure (1) présentant un corps de base métallique (9) et étant éventuellement revêtu d'un matériau d'amortissement pour réduire les bruits d'engagement entre la clavette de fermeture (6) et le pêne de serrure (1),
    caractérisée en ce que
    le pêne de serrure (1) présente une tôle d'engagement (10) qui constitue au moins une partie de la surface d'engagement (8) pour la clavette de fermeture (6) ou similaire.
  2. Serrure de véhicule automobile selon la revendication 1, caractérisée en ce que la tôle d'engagement (10) est configurée en soi sous forme élastique, notamment élastique à ressort, de préférence en ce que la tôle d'engagement (10) est réalisée en acier à ressort, en particulier en acier à ressort à lame.
  3. Serrure de véhicule automobile selon l'une quelconque des revendications précédentes, caractérisée en ce que la tôle d'engagement (10) est recuite, en particulier trempée, à chaque fois dans une zone proche de la surface, ou en ce que la tôle d'engagement (10) est revêtue.
  4. Serrure de véhicule automobile selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins une partie de la surface d'engagement (8) de la tôle d'engagement (10) est lisse, en particulier est polie.
  5. Serrure de véhicule automobile selon l'une quelconque des revendications précédentes, caractérisée en ce que la surface d'engagement (8) présente un profil d'engagement (11) associé à la clavette de fermeture (6) ou similaire, qui se prolonge essentiellement sur au moins une partie de l'étendue de la mâchoire d'entrée (7), de préférence en ce que le profil d'engagement (11) garantit un contact essentiellement ponctuel et/ou linéaire avec la clavette de fermeture (6) ou similaire.
  6. Serrure de véhicule automobile selon la revendication 5, caractérisée en ce que le profil d'engagement (11) est réalisé sous forme essentiellement convexe ou présente une portion essentiellement convexe, et/ou en ce que le profil d'engagement (11) est réalisé essentiellement sous forme courbe, en particulier sous forme d'arc de cercle ou présente une portion (11a) essentiellement courbe, en particulier en forme d'arc de cercle.
  7. Serrure de véhicule automobile selon la revendication 5 et éventuellement selon la revendication 6, caractérisée en ce que le profil d'engagement (11) est réalisé essentiellement en forme de toit ou présente une portion (11a) en forme de toit.
  8. Serrure de véhicule automobile selon l'une quelconque des revendications précédentes, caractérisée en ce que la tôle d'engagement (10), en vue de dessus, est configurée essentiellement en forme de U sur l'un des deux côtés plats du pêne de serrure (1).
  9. Serrure de véhicule automobile selon l'une quelconque des revendications précédentes, caractérisée en ce que la tôle d'engagement (10) agit avec un effet de ressort au niveau du point d'engagement respectif de la clavette de fermeture (6), de préférence en ce que la force d'engagement entre la clavette de fermeture (6) ou similaire et la tôle d'engagement (10) provoque un déplacement élastique, en particulier une déformation, de la tôle d'engagement (10).
  10. Serrure de véhicule automobile selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de base (9) du pêne de serrure (1), pour réduire les bruits d'engagement entre la clavette de fermeture (6) et le pêne de serrure (1), est revêtu d'un matériau d'amortissement et en ce que la tôle d'engagement (10) est appliquée au moins en partie contre le revêtement (la), de telle sorte que lors d'un engagement de la clavette de fermeture (6) ou similaire avec la tôle d'engagement (10), au moins une partie du flux de forces résultant traverse le revêtement (1a), de préférence en ce que les propriétés de matériau et la configuration du revêtement (1a) dans la région de la tôle d'engagement (10) sont ajustées aux propriétés de matériau et à la configuration de la tôle d'engagement (10) de telle sorte que l'agencement combiné de la tôle d'engagement (10) et du revêtement (1a) au niveau du point d'engagement respectif de la clavette de fermeture (6) agisse avec un effet de ressort, de préférence en ce que la force d'engagement entre la clavette de fermeture (6) ou similaire et la tôle d'engagement (10) provoque un déplacement élastique, en particulier une déformation, de la tôle d'engagement (10).
  11. Serrure de véhicule automobile selon l'une quelconque des revendications précédentes, caractérisée en ce que le revêtement (1a) entre le corps de base (9) et la tôle d'engagement (10) présente au moins une cavité tampon (13) afin d'augmenter la flexibilité de l'agencement combiné de la tôle d'engagement (10) et du revêtement (1a).
  12. Serrure de véhicule automobile selon l'une quelconque des revendications précédentes, caractérisée en ce que l' entrée de la clavette de fermeture (6) ou similaire dans la mâchoire d'entrée (7) s'associe à un déplacement élastique, en particulier une déformation, de la tôle d'engagement (10), en particulier à une flexion de la tôle d'engagement en forme de U (10).
  13. Pêne de serrure pour une serrure de véhicule automobile selon l'une quelconque des revendications précédentes, le pêne de serrure (1) présentant une mâchoire d'entrée (7) avec une surface d'engagement correspondante (8), le pêne de serrure (1) présentant un corps de base métallique (9),
    caractérisé en ce que
    le pêne de serrure (1) présente une tôle d'engagement (10) qui constitue au moins une partie de la surface d'engagement (8) pour la clavette de fermeture ou similaire.
EP10010761.4A 2009-10-02 2010-09-27 Serrure de véhicule automobile Not-in-force EP2305929B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202009013269U DE202009013269U1 (de) 2009-10-02 2009-10-02 Kraftfahrzeugschloß

Publications (3)

Publication Number Publication Date
EP2305929A2 EP2305929A2 (fr) 2011-04-06
EP2305929A3 EP2305929A3 (fr) 2012-06-13
EP2305929B1 true EP2305929B1 (fr) 2018-12-26

Family

ID=43500281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10010761.4A Not-in-force EP2305929B1 (fr) 2009-10-02 2010-09-27 Serrure de véhicule automobile

Country Status (2)

Country Link
EP (1) EP2305929B1 (fr)
DE (1) DE202009013269U1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010015710U1 (de) * 2010-11-20 2012-02-23 Kiekert Ag Schloss mit modifizierter Federlippe für Kraftfahrzeugtüren
FR3001994B1 (fr) * 2013-02-12 2018-01-05 U-Shin France Serrure de vehicule automobile
DE102015204190B4 (de) * 2015-03-09 2020-12-17 Adient Luxembourg Holding S.À R.L. Verriegelungseinheit für einen Fahrzeugsitz und Fahrzeugsitz
DE102016217109A1 (de) 2016-09-08 2018-03-08 Brose Fahrzeugteile Gmbh & Co. Kg, Coburg Verriegelungseinrichtung für einen Fahrzeugsitz
CN110409934B (zh) * 2018-04-28 2021-09-24 开开特股份公司 汽车门锁

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Publication number Priority date Publication date Assignee Title
US4854617A (en) * 1986-06-28 1989-08-08 Aisin Seiki Kabushiki Kaisha Door lock for automotive vehicles
DE3825594A1 (de) * 1988-07-28 1990-02-22 Daimler Benz Ag Schloss fuer tueren oder klappen von kraftwagen
DE10220225B4 (de) 2001-05-08 2016-09-15 Volkswagen Ag Türschließvorrichtung
DE202006009003U1 (de) 2006-06-06 2007-10-25 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloß
DE102006028423A1 (de) * 2006-06-21 2007-12-27 Volkswagen Ag Drehfalle eines Schlosses, insbesondere einer Fahrzeugtür eines Kraftfahrzeuges
DE102006052773A1 (de) * 2006-11-09 2008-05-15 Huf Hülsbeck & Fürst Gmbh & Co. Kg Verschluss eines Fahrzeugs

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
EP2305929A3 (fr) 2012-06-13
EP2305929A2 (fr) 2011-04-06
DE202009013269U1 (de) 2011-02-24

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