EP2845975A2 - Cliquet de positionnement dans une serrure de véhicule automobile - Google Patents

Cliquet de positionnement dans une serrure de véhicule automobile Download PDF

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Publication number
EP2845975A2
EP2845975A2 EP14182198.3A EP14182198A EP2845975A2 EP 2845975 A2 EP2845975 A2 EP 2845975A2 EP 14182198 A EP14182198 A EP 14182198A EP 2845975 A2 EP2845975 A2 EP 2845975A2
Authority
EP
European Patent Office
Prior art keywords
pawl
latch
locking
support structure
locking insert
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.)
Granted
Application number
EP14182198.3A
Other languages
German (de)
English (en)
Other versions
EP2845975B2 (fr
EP2845975A3 (fr
EP2845975B1 (fr
Inventor
Jörg Reinert
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49511353&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2845975(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Brose Schliesssysteme GmbH and Co KG filed Critical Brose Schliesssysteme GmbH and Co KG
Publication of EP2845975A2 publication Critical patent/EP2845975A2/fr
Publication of EP2845975A3 publication Critical patent/EP2845975A3/fr
Application granted granted Critical
Publication of EP2845975B1 publication Critical patent/EP2845975B1/fr
Publication of EP2845975B2 publication Critical patent/EP2845975B2/fr
Active 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
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1635—Use of special materials for parts of locks of plastics materials
    • 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
    • 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
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • 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

Definitions

  • the invention relates to a pawl for a motor vehicle lock with the features of the preamble of claim 1 and a motor vehicle lock with the features of the preamble of claim 15.
  • the motor vehicle lock in question may be associated with any closure element of a motor vehicle.
  • Examples include a motor vehicle door, in particular a side door, which may optionally be configured as a sliding door, a tailgate, a trunk lid, a hood, o. The like .. It is also conceivable that the motor vehicle lock in question a seat latch o. The like. assigned.
  • the function of the motor vehicle lock in question is to keep the associated motor vehicle door o. The like.
  • the motor vehicle lock In its closed position and release at a predetermined user operation in the opening direction.
  • the motor vehicle lock is equipped with the closing elements lock latch and pawl.
  • the lock latch interacts with a striker.
  • the latch is in at least one closed position, regularly in a main closing position and in a Vorschegiwolf, pivotally, in which it is in holding engagement with the striker.
  • the latch is also pivotable in an open position in which it releases the striker.
  • the well-known pawl ( DE 103 58 139 A1 ), from which the invention proceeds, has a metal core, which is sheathed with a plastic material for noise damping.
  • the pawl is designed as a support pawl, so that the blocking force tapers in a first approximation to the pawl axis.
  • the blocking engagement between the latch and the pawl is in the foreground.
  • this intervention can be produced with a particularly high degree of operational reliability. This applies above all to a high degree of operational reliability in the event of a crash with the high blocking forces occurring there between the latch and the pawl.
  • a high degree of operational reliability in the event of a crash with the high blocking forces occurring there between the latch and the pawl.
  • the opening force required to lift the pawl is kept low, if possible over the entire life of the motor vehicle.
  • a high degree of user comfort is to ensure that the adjustment of the pawl is accompanied by a low noise, which is taken into account in the known pawl through the sheath with plastic material.
  • the known pawl with a metal core can meet the above requirements with appropriate design within certain limits. However, this is connected by the associated with the metal core, high production costs with correspondingly high costs.
  • the invention is based on the problem, the known pawl in such a way and further develop that can increase the reliability and ease of use at reduced cost.
  • Essential is the fundamental consideration, to let the power flow of the blocking force between the latch bolt and pawl extend at least over a portion of the pawl substantially via a locking insert. This makes it possible to interpret the pawl precisely to the respective mechanical boundary conditions.
  • the pawl has a locking pad which provides an engagement surface for locking engagement with a mating engagement surface of the latch.
  • the arrangement is according to the proposal made so that the power flow of the blocking force extends at least over a portion of the pawl substantially over the locking pad. The power flow of Blocking force is thus concentrated as it were over the locking pad.
  • the pawl has a plastic support structure for the locking insert.
  • the locking insert is easily interpretable to an optimal power flow in the pawl.
  • the locking insert on a mushroom-like portion, wherein the head provides the engagement surface for the locking engagement with the lock latch.
  • Such a mushroom-like configuration can be produced particularly easily by turning or the like, as proposed according to claim 8.
  • the engagement surface of the pawl is outwardly curved, which counteracts a "seizure" of the engagement surface with respect to the counter-engagement surface. This leads to a reduction of wear and thus to a longer life of the motor vehicle lock as a whole.
  • the engagement surface of the pawl for the locking engagement with the latch can be made extremely large, which prevents slippage of the engagement surface of the counter-engagement surface in the event of a crash.
  • plastic support structure is not limited in the most preferred embodiments according to claims 12 and 13 on the wearing of the barrier insert. Rather, the plastic support structure according to claim 12 forms a part of the pawl bearing, while the plastic support structure according to claim 13 relates to a coupling portion for the coupling of the pawl with an actuating arrangement. This double use of the plastic support structure leads to an overall particularly cost-effective arrangement.
  • connection between the barrier insert and the plastic support structure Numerous advantageous variants are conceivable for the connection between the barrier insert and the plastic support structure.
  • the connection between the barrier insert and the plastic support structure In addition to the encapsulation of the barrier insert with the plastic support structure has been found to be particularly advantageous according to claim 14, the realization of a snap connection between the locking insert and the plastic support structure.
  • a motor vehicle lock with the closing elements lock latch and pawl is claimed as such.
  • the proposed motor vehicle lock can be used for all types of closure elements of a motor vehicle.
  • the proposed motor vehicle lock is equipped with a latch 1, which cooperates in a conventional manner with a pawl 2.
  • the lock latch 1 is pivotally mounted about a geometric latch axis 4 by means of a lock catch bearing 3.
  • a pawl bearing 5 In its installed state ( Fig.1 ) is the pawl 2 by means of a pawl bearing 5 to a geometric Pawl axis 6 pivotally mounted and engageable in locking engagement with the latch 1.
  • This locking engagement by which the latch bolt 1 can be locked against an adjustment in the opening direction in at least one closed position, is likewise in FIG Fig. 1 shown.
  • latch 1 is in a main closed position. It is also one of the main closed position seen in the closing direction upstream Vorsch practitioner provided. However, this does not matter for the proposed teaching, so that in the following reference will be made exclusively to the main closing position. All relevant explanations apply analogously to the prelocking of the latch 1.
  • the pawl 2 has a locking insert 7, which provides an engagement surface 8 for the locking engagement with a counter-engagement surface 9 of the latch 1.
  • the counter-engagement surface 9 is, as mentioned above, associated with the main closing position of the latch 1.
  • the latch 1 is further equipped with a further counter-engagement surface 9 a, which is assigned to the prelocking of the latch 1.
  • the latch 1 In the main closed position and the prelocking position, the latch 1 is in holding engagement with a in Fig. 1 indicated closing wedge 1a.
  • the motor vehicle lock is preferably arranged on a motor vehicle door or the like, while the closing wedge 1a is arranged on the body of the vehicle, in particular on a B pillar of the motor vehicle.
  • the pawl 2 has a plastic support structure 11 for the locking insert 7.
  • the barrier insert 7 is proposed by the plastic support structure 11 is supported.
  • FIG. 1 and 2 A synopsis of Fig. 1 and 2 shows that the locking insert 7 is supported in the illustrated and so far preferred embodiment with respect to the latch 1 exclusively on the plastic support structure 11. This is particularly advantageous in terms of the achievable noise attenuation in the adjustment of the pawl 2, since a plastic support structure 11 can regularly interpret at low cost by a suitable choice of material and construction to an optimal noise attenuation.
  • the power flow of the blocking force between the latch 1 and pawl 2 extends exclusively via the locking insert 7.
  • the locking pad 7 extends from the engagement surface 8 to the pawl bearing fifth
  • the pawl 2 is here and preferably a support pawl, in which the locking force between the latch 1 and pawl 2 with a pressure load of the locking insert 7 substantially to the pawl axis 6 is accompanied.
  • the line of action 13, as in Fig. 1 slightly past the pawl axis 6, so that the pawl 2 during the locking engagement with the latch 1 further in the direction of Engaged position, in Fig. 1 counterclockwise, pushing.
  • the pawl 2 has a so-called closing tendency.
  • the pawl 2 during the locking engagement with the latch 1 in the direction of a release position in which the pawl 2 releases the latch 1 urges. This is the clockwise direction.
  • the pawl 2 then has a so-called opening tendency.
  • an auxiliary pawl is preferably provided, which holds the pawl 2 in the engaged position.
  • the locking insert 7 is preferably designed such that it substantially absorbs the force flow of the blocking force as mentioned above. Accordingly, the locking insert 7 is designed here and preferably elongated. It has a longitudinal axis 14, which is aligned substantially along the line of action 13 of the blocking force between the latch 1 and pawl 2.
  • At least the basic shape of the locking insert 7 is rotationally symmetrical with respect to a rotation axis 15.
  • the axis of rotation 15 is preferably also about the longitudinal axis 14 of the locking insert 7, as far as the locking insert 7 is designed to be elongated.
  • the locking insert 7 is here designed a total of mushroom-like. In principle, it is conceivable that the locking insert 7 also has only one mushroom-like section and otherwise has a different design.
  • the locking pad 7 has a mushroom head 17 and a subsequent to the mushroom head 17 mushroom shaft 18, wherein the mushroom head 17 provides the engagement surface 8 for the locking engagement with the latch 1.
  • the diameter D of the mushroom head 17 by a value between about 25% and about 35% greater than the diameter d of the mushroom shaft 18. In a particularly preferred embodiment, the diameter D of the mushroom head 17 is greater than the diameter d by about 30% of the mushroom shaft 18.
  • the engagement surface 8 of the pawl 2 is configured arched outward. It is further preferably such that the engagement surface 8 is circular section in cross-section and in particular that the engagement surface 8 is a spherical segment surface. These preferred variants are easy to implement, especially in the mushroom-like configuration of at least one section of the locking insert 7.
  • the locking insert 7 pin-like As an alternative to the mushroom-shaped configuration of the locking insert 7, it may be advantageous to make the locking insert 7 pin-like, with one end side of the pin providing the above, in particular curved, engagement surface 8.
  • the counter-engagement surface 9 of the latch 1 is preferably designed just flat. It is also conceivable that the counter-engagement surface 9 is configured slightly curved, in such a way complementary to the curvature of the engagement surface 8 of the pawl 2, that both engagement surfaces 8.9 form a positive fit in the first approximation.
  • the locking insert 7 of the locking insert 7 can be produced in a particularly cost-effective manner.
  • the locking insert 7 has been produced at least in part, preferably completely, by turning.
  • a likewise preferred and at the same time cost-effective variant is the production of the locking insert 7 by cold heading. With the preferred cold upsetting, an engagement surface 8 with a low surface roughness can be produced in a cost-effective manner, which leads to a low opening force, that is to say to a small force required to lift the pawl 2 out of engagement with the latch 1.
  • the mushroom head 17 of the locking insert 7 is only partially used as an engagement surface 8. In detail, even less than 70% of the surface of the mushroom head 17 is used as an engagement surface. However, the realization of a so far superfluous surface of the mushroom head 17 is tolerable in view of the particularly cost-effective feasibility of the locking insert 7.
  • the locking insert 7 is made of a metal, in particular made of steel.
  • the design of the material of the plastic support structure 11 is also possible in many ways.
  • the plastic support structure 11 is not only made of a plastic material, but that the plastic support structure 11 is formed from at least two different plastic materials.
  • different material layers may be provided in the plastic support structure 11.
  • the plastic support structure 11 may be composed of different sections, each consisting of a different material or of a different material composition.
  • the plastic support structure 11 performs several functions. Accordingly, the plastic support structure 11 is preferably a component of the pawl bearing 5.
  • the pawl bearing 5 has a bearing pin 19 and a bearing pin 19 in engagement with the bearing bush 20, as in Fig. 2 with an explosive partial representation is indicated.
  • the plastic support structure 11, the bearing bush 20 for the bearing mandrel 19 ready.
  • the plastic support structure 11 provides a receptacle for the bearing bush 20.
  • plastic support structure 11 has a coupling portion 21 for coupling the pawl 2 with an actuating arrangement 22 for lifting the pawl 2.
  • an actuator assembly 22 is shown in FIG Fig. 1 merely hinted. This may be, for example, an OBW drive (open-by-wire drive) or a manual actuation arrangement that can be actuated via a manually connected door handle.
  • the coupling portion 21 protrudes here and preferably in the manner of a lever from the pawl 2 in the rest.
  • the pawl 2 consists essentially of the plastic support structure 11 and the locking insert 7. With a suitable manufacturing methodology, this can lead to a particularly cost-effective arrangement.
  • the locking insert 7 is encapsulated in the plastic injection molding of a plastic material, wherein the plastic support structure 11 is formed by the plastic material. This is a particularly elegant way of connection between the locking insert 7 on the one hand and the plastic support structure 11 on the other.
  • a snap connection between the locking insert 7 and the plastic support structure 11 is provided a snap connection. Also in this case, a production of the plastic support structure 11 in the plastic injection molding method is preferred. An encapsulation of the locking insert 7 is not required in this preferred variant.
  • Fig. 2 shows that the locking insert 7 is substantially surrounded by the plastic support structure 11 except for the engagement surface 8, here and preferably except for the mushroom head 17. This is especially advantageous with regard to possible noise damping.

Landscapes

  • Lock And Its Accessories (AREA)
EP14182198.3A 2013-09-09 2014-08-26 Cliquet de positionnement dans une serrure de véhicule automobile Active EP2845975B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202013104084U DE202013104084U1 (de) 2013-09-09 2013-09-09 Sperrklinke für ein Kraftfahrzeugschloss

Publications (4)

Publication Number Publication Date
EP2845975A2 true EP2845975A2 (fr) 2015-03-11
EP2845975A3 EP2845975A3 (fr) 2015-11-25
EP2845975B1 EP2845975B1 (fr) 2018-07-25
EP2845975B2 EP2845975B2 (fr) 2022-03-23

Family

ID=49511353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14182198.3A Active EP2845975B2 (fr) 2013-09-09 2014-08-26 Cliquet de positionnement dans une serrure de véhicule automobile

Country Status (2)

Country Link
EP (1) EP2845975B2 (fr)
DE (1) DE202013104084U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114406165A (zh) * 2021-12-31 2022-04-29 铭昊汽车金属零部件(广州)有限公司 一种用于汽车门锁的零件及其制造方法
DE102022134078A1 (de) * 2022-12-20 2024-06-20 Brose Schließsysteme GmbH & Co. Kommanditgesellschaft Kraftfahrzeugschloss

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10358139A1 (de) 2003-12-10 2005-07-07 Brose Schließsysteme GmbH & Co.KG Kraftfahrzeugschloß, insbesondere für einen Kofferdeckel oder eine Hecktür eines Kraftfahrzeugs

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811878Y2 (ja) * 1977-04-20 1983-03-07 アイシン精機株式会社 自動車用ドアロツク装置
JPS53138127A (en) * 1977-05-05 1978-12-02 Mazda Motor Corp Sound preventive device for door lock
JPS60191655U (ja) * 1984-05-28 1985-12-19 株式会社　安成工業 自動車扉の開閉装置
DE10355576A1 (de) † 2003-11-28 2005-06-30 Bayerische Motoren Werke Ag Sperrklinke eines Schlosses
DE202006018500U1 (de) † 2006-12-05 2008-04-17 Kiekert Ag Kraftfahrzeugtürverschluss
DE102007024564A1 (de) † 2007-05-25 2008-11-27 Kiekert Ag Kraftfahrzeugschließsystem mit Gleitelement
DE102007041477A1 (de) † 2007-08-31 2009-03-05 Kiekert Ag Mehrteiliges Gesperrebauteil für ein Kraftfahrzeugschloss
DE102008063489A1 (de) * 2008-12-17 2010-06-24 Kiekert Ag Vorrichtung für ein Kraftfahrzeugschloss
DE102010030595A1 (de) * 2010-06-28 2011-12-29 Kiekert Ag Schloss für Kraftfahrzeug oder Gebäude
FR2984940B1 (fr) * 2011-12-23 2014-01-17 Valeo Securite Habitacle Cliquet pour serrure d'ouvrant de vehicule automobile et serrure associee

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10358139A1 (de) 2003-12-10 2005-07-07 Brose Schließsysteme GmbH & Co.KG Kraftfahrzeugschloß, insbesondere für einen Kofferdeckel oder eine Hecktür eines Kraftfahrzeugs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114406165A (zh) * 2021-12-31 2022-04-29 铭昊汽车金属零部件(广州)有限公司 一种用于汽车门锁的零件及其制造方法
CN114406165B (zh) * 2021-12-31 2023-09-19 铭昊汽车金属零部件(广州)有限公司 一种用于汽车门锁的零件及其制造方法
DE102022134078A1 (de) * 2022-12-20 2024-06-20 Brose Schließsysteme GmbH & Co. Kommanditgesellschaft Kraftfahrzeugschloss

Also Published As

Publication number Publication date
EP2845975B2 (fr) 2022-03-23
EP2845975A3 (fr) 2015-11-25
EP2845975B1 (fr) 2018-07-25
DE202013104084U1 (de) 2013-09-26

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