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WO2016058589A1 - Serrure de porte de véhicule automobile et procédé associé de fabrication d'une serrure de porte de véhicule automobile de ce type - Google Patents

Serrure de porte de véhicule automobile et procédé associé de fabrication d'une serrure de porte de véhicule automobile de ce type Download PDF

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Publication number
WO2016058589A1
WO2016058589A1 PCT/DE2015/100379 DE2015100379W WO2016058589A1 WO 2016058589 A1 WO2016058589 A1 WO 2016058589A1 DE 2015100379 W DE2015100379 W DE 2015100379W WO 2016058589 A1 WO2016058589 A1 WO 2016058589A1
Authority
WO
WIPO (PCT)
Prior art keywords
lock
motor vehicle
vehicle door
door lock
base part
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.)
Ceased
Application number
PCT/DE2015/100379
Other languages
German (de)
English (en)
Inventor
Armin Handke
Carsten Fuchs
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.)
Kiekert AG
Original Assignee
Kiekert AG
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 Kiekert AG filed Critical Kiekert AG
Publication of WO2016058589A1 publication Critical patent/WO2016058589A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00Vehicle locks characterised by special functions or purposes
    • E05B77/36Noise prevention; Anti-rattling means
    • E05B77/38Cushion elements, elastic guiding elements or holding elements, e.g. for cushioning or damping the impact of the bolt against the striker during closing of the wing
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/02Lock casings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16Use of special materials for parts of locks
    • E05B15/1635Use of special materials for parts of locks of plastics materials
    • E05B2015/1664Use of special materials for parts of locks of plastics materials for lock housing

Definitions

  • the invention relates to a motor vehicle door lock, with a lock housing made of a first and a material-different second plastic.
  • Motor vehicle door locks are generally composed of the motor vehicle door lock and an associated lock holder. While the motor vehicle door lock is typically mounted in or on a motor vehicle door, the lock holder generally finds a location on an associated vehicle body, such as in the area of a B pillar there. Basically, of course, the reverse can be done. In this case, the vehicle door lock is fixed to the vehicle body, whereas the lock holder is fixed to the associated vehicle door. This is often the procedure for tailgates.
  • the motor vehicle door lock as such is further and generally composed of the lock housing or lock cover made of plastic and an associated lock case made of metal.
  • the lock case made of metal is typically used for storage of a locking mechanism of the catch and pawl.
  • other lock components can be arranged or stored in the lock housing or lock cover made of plastic, for example, one or more levers of the operating lever mechanism.
  • elements of a locking lever chain, an electric drive motor, etc. are typically placed in the lock housing made of plastic.
  • the lock housing is made of plastic and has at least one lever arranged in the lock housing.
  • the lever protrudes through an opening at least partially out of the lock housing and can be moved along the opening.
  • the Opening equipped with at least one opening gap, which is largely closed by a seal.
  • WO 201 1/091775 A1 discloses a lock with an inlet buffer for the lock holder.
  • the inlet buffer is equipped with an insert or a cover on the side facing the lock holder.
  • the insert may be made of polyoxymethylene (POM) while an associated buffer housing is made of polyurethane (PUR).
  • POM polyoxymethylene
  • PUR polyurethane
  • the procedure is such that the damping element is equipped with at least one damping surface and at least one guide surface for the incoming locking pin.
  • the guide surface has a plurality of elevations. This prevents the formation of unwanted noise with the same or improved damping effect.
  • a generic motor vehicle door lock in the invention is characterized in that the lock housing of a dimensionally stable base part of a thermoplastic and / or thermosetting plastic for receiving internal lock components and an elastic guide member made of an elastomer for interaction with one or more external Locking components is constructed.
  • the lock housing is initially composed of two essential housing components, namely the dimensionally stable base part and additionally the elastic guide part.
  • the lock housing according to the invention is finally composed of only the dimensionally stable base part and the elastic guide part.
  • a plastic of significant strength namely a thermoplastic and / or thermosetting plastic, is used for its production.
  • Such plastics typically have a modulus of elasticity of more than 100 N / mm 2 , in most cases even one with values of more than 500 N / mm 2 .
  • thermosets one observes alternatively flexural strengths which are above 50 N / mm 2 .
  • the strength of the dimensionally stable base part can be increased even further by equipping the base part with intrinsic or extrinsic reinforcements.
  • the intrinsic reinforcements are typically introduced into the plastic glass fibers, carbon fibers or rock flour.
  • thermoplastics or thermoplastics by adding glass fibers.
  • the base part can also be equipped with extrinsic reinforcements. Reinforcing ribs, reinforcing beads, etc. are conceivable at this point. Of course, such reinforcing ribs and / or reinforcing beads can also be combined with introduced glass fibers in the relevant plastic.
  • a base part of significant strength is available, which is suitable for example for the storage of internal lock components.
  • These internal lock components can be, for example, an external locking lever, as already described in the prior art according to DE 20 2013 1 10 262 A1. Also, an external operating lever or other levers of the operating lever mechanism can be stored on or in the base part. The same applies to components of a locking lever chain, a motor for, for example, the central locking system, switch for checking the rotary latch, etc.
  • the base part as part of the lock housing according to the invention on the necessary dimensional stability in order to record and store the mentioned internal lock components in the example case.
  • These internal lock construction parts or at least their storage and connection to the housing are consequently all located inside the lock housing.
  • the external closing component means components of the entire motor vehicle door lock, which are arranged outside the lock housing. As a rule, it is an external locking component, namely the lock holder. This will be explained in detail below.
  • the elastic guide part is made of an elastomer.
  • elastomers such as NBR (acrylonitrile-butadiene rubber), EPDM (ethylene-polypropylene rubber), NR (natural rubber) or even SBR (styrene-butadiene rubber) can be advantageously used.
  • NBR acrylonitrile-butadiene rubber
  • EPDM ethylene-polypropylene rubber
  • NR natural rubber
  • SBR styrene-butadiene rubber
  • These elastomers or elastomeric plastics have a Shore A hardness of typically more than 20, usually even more than 40.
  • the lock housing is constructed as a two-component plastic component of the two material-different plastics, namely the thermoplastic and / or thermoset one hand and the elastomer on the other hand and the production typically takes place in a common plastic injection molded part, so the two plastics for the production of the lock housing in Be co-extruded, special benefits can be claimed.
  • the elastomeric plastic is basically equipped with cost advantages over a thermoplastic or thermoset with embedded glass fibers. That is, the invention equips only the dimensionally stable base part for receiving and supporting the internal lock components with the required strength by resorting to the plastic suitable for this purpose (thermoplastic and / or thermoset with mostly embedded glass fibers).
  • the elastic guide part of the elastomer interacts typically with one or more external closing components, advantageously the lock holder.
  • the elastic guide member takes over in this context predominantly damping function, that is used for noise reduction and / or as a stop damping for the external closing member or the lock holder in the example.
  • the entire elastic guide member can be made of the elastomer in question, which are already observed special cost advantages over the situation that the guide member is also made of the thermoplastic or thermosetting plastic, as is the case in the prior art.
  • the elastic design of the guide part makes a basically possible and additional damping buffer for the external closing component or the lock holder dispensable, as described in the prior art according to DE 20 2007 017 195 U1 as mandatory.
  • Another advantage is to be considered that the two plastics are co-extruded, that is processed in a common injection molding tool to the lock housing.
  • the lock housing with the specific properties of the dimensionally stable base part and of the elastic guide part is, after this coextrusion, as a coherent two-component plastic component composed of the two material-different synthetic materials. Substances immediately available and can be equipped without further attachments or internals directly to the internal lock components.
  • the design is usually also additionally made such that the base part and the guide part with individual housing walls mostly directly adjoin one another.
  • This topological interpretation can be realized because the plastics used are compatible with each other and can be processed as two components in the common injection molding.
  • the design is usually made so that the base part describes at least one receiving level for example, bearings, mounting receivers, guides, etc. for the internal lock components. That is, in the dimensionally stable base part, for example, single or multiple bearings for different levers can be formed directly. In this case, the relevant lever is attached directly to the hollow pin formed in the base part, which acts in this context as a bearing pin.
  • fastening receptacles may be provided for example, a central locking motor. Also guides for example, a connected Bowden cable are conceivable.
  • the base part describes at least one receiving plane in which the internal lock components in question are arranged or mounted in or on the base part.
  • two recording levels can also be realized, for example.
  • the base part usually has a cross-sectionally L-shaped form.
  • the guide part is now typically aligned with its base plane largely coplanar with the at least one receiving plane of the base part.
  • the guide member is regularly formed as outwardly open hollow body.
  • the hollow body is a three-dimensional dimensional polyhedra, ie a three-dimensional body, which is bounded exclusively by straight surfaces or planes.
  • the guide part is usually formed closed to the lock inside. This is to prevent ingress of dirt or moisture via the guide member to the lock interior.
  • the guide part is an open on its longitudinal side cuboid hollow body.
  • This hollow body also has tapered side walls.
  • the base plane is provided, which mainly provides for the sealing of the guide member relative to the lock interior.
  • the guide member is formed as an inlet mouth for the lock holder as an external closing member. That is, in the guide member is the inlet mouth for the lock holder, which in turn represents the external closing member which interacts with the elastic guide member made of the elastomer or the inlet mouth.
  • the entire inlet mouth for the lock holder according to the invention is made of the elastomer, additional damping measures, a damping buffer, etc. are typically not required. Rather, the guide part or inlet mouth assumes as such the desired noise-damping function. In principle, of course, an additional damping buffer is possible and is encompassed by the invention.
  • the lock holder can retract into the inlet mouth and interact with the catch in the usual manner, this example in their pre-locking and then main locking position (and possibly into an overstroke division) to lead.
  • a required in this context elastic stop for the lock holder is inventively provided by the inlet mouth available, which is made entirely of the elastomer.
  • elastomers are typically more cost-effective as materials than thermoplastics reinforced with glass fibers or thermosetting plastics, so that cost advantages are also observed in the material consumption.
  • the invention is also a method for producing such a motor vehicle door lock, as described in claim 10.
  • Fig. 1 shows an inventive motor vehicle door lock schematically in a first variant
  • Fig. 2 shows a modified embodiment of the article according to
  • FIG. 1 a motor vehicle door lock is shown, which is equipped with a lock housing 1 of a first and a material-different second plastic.
  • lock housing 1 various internal lock components can be stored and recorded.
  • FIGS. 1 and 2 show individual bearing points 2, which act as bearing bolts for lockable and pivotable levers acting as lock components.
  • the levers in question may be operating levers of an actuating lever mechanism and / or locking levers of a locking lever mechanism. act as a lever.
  • the lock housing 1 is still equipped with mounting receivers 3 for other internal lock components, such as an electric motor. - The internal lock components are thus found inside the lock housing. 1
  • the lock housing 1 closes a metallic lock case, not shown, and is composed of a base part 1 a and a guide part 1 b together.
  • the lock housing 1 has a sealing surface 4, which bears against the lock case, not shown.
  • Inside the lock case a likewise not shown locking mechanism is stored.
  • the locking mechanism is composed of a catch and a pawl.
  • the lock case and the locking mechanism are located above the illustrated lock housing 1 and have been omitted for the sake of clarity.
  • the dimensionally stable base part 1 a describes at least one receiving plane for the already mentioned bearing points 2 and the mounting receptacles 3 for the internal lock components.
  • the base part 1 a - as the lock housing 1 in total - is designed in cross-section L-shaped.
  • the bearings already previously referred to bearing 2 and also the mounting receptacle 3 are arranged on the longer L-leg and extend in the associated receiving plane.
  • the rotary latch moves about its associated rotary axis 5 in the vertical receiving plane, which corresponds to the short leg L. Coplanar or parallel to this recording plane, the guide part 1 b is aligned.
  • the dimensionally stable base part 1 a is made of a thermoplastic and / or thermosetting plastic. At this point PBT with embedded glass fibers is mostly used, as already described in the introduction.
  • the elastic guide part 1 b made of an elastomer manufactured, which is for example EPDM or the other listed in the introduction introduction conceivable elastomeric materials.
  • the dimensionally stable base part 1 a is used to hold the internal lock components, the elastic guide part 1 b interacts with one or more external closing components 6.
  • the external closing component 6 is a lock holder, which is merely indicated.
  • the lock housing 1 is constructed overall as a two-component plastic component of the two aforementioned material-different plastics.
  • the base part 1 a and the guide part 1 b connect directly to each other with individual housing walls. This is possible because the plastics used in this context are compatible with each other and can be processed directly adjacent to each other.
  • the lock housing 1 is produced by coextrusion of the two mentioned plastics in a single tool, which considerably reduces the production costs.
  • the guide part 1 b with its in the figures to be recognized lower-side base plane 8 is largely coplanar aligned with the receiving plane of the base part 1 a, which is parallel to the pivot plane of the rotary latch, not shown, which is known to rotate about the rotary latch axis 5.
  • the pivoting plane in question predominantly coincides with an upper edge of a circular opening surrounding the rotary latch axis 5.
  • the lock holder or locking bolt 6 or, in general, the external closing component 6 interact directly with the rotary latch.
  • the lock holder or locking pin 6 moves into the advantageously formed as an inlet mouth guide part 1 b in the direction of arrow shown in Fig. 1.
  • the lock holder pivots or locking pin 6 which is arranged in a view above the rotary latch about its rotary latch axis. 5
  • the assembled from the addressed rotary latch and an associated pawl locking typically takes the Vorrasts notorious and then the main latching position and optionally an overstroke division.
  • the damping element 7 is in the present case a spring lip 7, which - like the elastic guide part 1 b - is also made of an elastomeric plastic.
  • the guide part 1 b is designed as an outwardly open hollow body in the form of a three-dimensional polyhedron.
  • the guide member is open at its upper side plane parallel to the lower-side base plane 8 to the outside.
  • the guide part 1 b is open at its one end wall, which faces the incoming locking pin 6.
  • the underside base plane 8, in conjunction with the conically tapering side walls 9, ensures a tight closure of the lock housing 1. That is, the guide part 1 b is designed closed to the lock interior. As a result, neither dirt nor water can penetrate into the lock interior via the openings described.
  • the guide part 1 b made of the elastomer is additionally equipped with a receiving chamber 11 in the variant according to FIG. 2, in which the Damping element or the spring lip 7 is plugged and stored.
  • the receiving chamber 1 1 is also made as part of the guide member 1 b of the elastomer. Since, according to the invention, the entire elastic guide part or inlet mouth 1b is manufactured from the elastomer, both production costs and material costs can be significantly reduced compared with the prior art.
  • the dimensionally stable base part 1 a is typically made of a thermoplastic material with embedded glass fibers, resulting in not inconsiderable material costs, at least with significantly higher material costs compared to an elastomer is connected.
  • the additional damping element or the spring lip 7 because the guide part or the inlet mouth 1b is equipped with the damping properties required at this point.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne une serrure de véhicule automobile, qui comporte un boîtier de serrure (1) constitué d'une première matière plastique et d'une seconde matière plastique différente de la première. Selon l'invention, le boîtier de serrure (1) est composé d'un élément de base indéformable (1a) constitué d'un matériau thermoplastique et/ou thermodurcissable et logeant des éléments internes de la serrure, ainsi que d'un élément de guidage élastique constitué d'un élastomère et coopérant avec un ou plusieurs éléments externes de fermeture (6).
PCT/DE2015/100379 2014-10-15 2015-09-04 Serrure de porte de véhicule automobile et procédé associé de fabrication d'une serrure de porte de véhicule automobile de ce type Ceased WO2016058589A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014114930.0 2014-10-15
DE102014114930.0A DE102014114930A1 (de) 2014-10-15 2014-10-15 Kraftfahrzeugtürschloss sowie zugehöriges Verfahren zur Herstellung eines solchen Kraftfahrzeugtürschlosses

Publications (1)

Publication Number Publication Date
WO2016058589A1 true WO2016058589A1 (fr) 2016-04-21

Family

ID=54288618

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2015/100379 Ceased WO2016058589A1 (fr) 2014-10-15 2015-09-04 Serrure de porte de véhicule automobile et procédé associé de fabrication d'une serrure de porte de véhicule automobile de ce type

Country Status (2)

Country Link
DE (1) DE102014114930A1 (fr)
WO (1) WO2016058589A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016108416A1 (de) * 2016-05-06 2017-11-09 Kiekert Ag Kraftfahrzeugtürschloss
DE102016115190A1 (de) 2016-08-16 2018-02-22 Kiekert Aktiengesellschaft Kraftfahrzeugschloss
DE102017107902A1 (de) * 2017-04-12 2018-10-18 Kiekert Ag Schloss für ein Kraftfahrzeug
DE102018103834A1 (de) 2018-02-21 2019-08-22 Kiekert Ag Kraftfahrzeugtür

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2551288A1 (de) * 1974-11-14 1976-05-20 Gen Motors Ltd Tuerschloss fuer ein motorfahrzeug
DE8806550U1 (de) * 1988-05-19 1988-07-14 Bomoro Bocklenberg & Motte Gmbh & Co Kg, 5600 Wuppertal Kraftfahrzeug-Türschloß
FR2710097A1 (fr) * 1993-09-16 1995-03-24 Vachette Ymos Serrure de portière de véhicule automobile, ladite serrure comportant un boîtier en matière plastique moulée.
EP0894926A1 (fr) * 1997-07-31 1999-02-03 ATOMA ROLTRA S.p.A. Serrure pour véhicule automobile
FR2782741A1 (fr) * 1998-08-27 2000-03-03 Valeo Securite Habitacle Serrure a boitier en matiere plastique
EP1010719A2 (fr) * 1998-12-17 2000-06-21 Ticona GmbH Corps composite d'un produit thermoplaste technique lié à un élastomère de polyuréthane au moyen d'un promoteur d'adhésion
DE202006018744U1 (de) * 2006-12-08 2007-02-15 Kiekert Ag Vorrichtung für ein Kraftfahrzeugschloss mit einer Aufnahme für einen Schließbolzen mit Dämpferelement
EP1975352A1 (fr) * 2007-03-26 2008-10-01 Mazda Motor Corporation Dispositif de verrouillage de portière pour véhicule
US20140210220A1 (en) * 2013-01-31 2014-07-31 Strattec Security Corporation Latch mechanism for a vehicle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103142C2 (de) * 1991-02-02 1996-11-21 Ymos Ag Ind Produkte Schloßgehäuse
DE102004001982A1 (de) * 2004-01-13 2005-08-04 Kiekert Ag Kraftfahrzeug-Türschloss zur Verbindung mit einer Fahrzeugtür
DE202007017195U1 (de) 2007-12-07 2008-02-28 Kiekert Ag Dämpfungselement und Gehäusebauteil für ein Schließsystem
DE102010005843A1 (de) 2010-01-26 2011-07-28 Kiekert AG, 42579 Schloss mit Einlaufpuffer
DE102011003410A1 (de) * 2011-01-31 2012-08-02 Kiekert Ag Kraftfahrzeugschloss
DE202012000763U1 (de) * 2012-01-26 2013-05-02 Kiekert Ag Kraftfahrzeugtürschloss
DE202012000931U1 (de) * 2012-01-28 2013-05-02 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2551288A1 (de) * 1974-11-14 1976-05-20 Gen Motors Ltd Tuerschloss fuer ein motorfahrzeug
DE8806550U1 (de) * 1988-05-19 1988-07-14 Bomoro Bocklenberg & Motte Gmbh & Co Kg, 5600 Wuppertal Kraftfahrzeug-Türschloß
FR2710097A1 (fr) * 1993-09-16 1995-03-24 Vachette Ymos Serrure de portière de véhicule automobile, ladite serrure comportant un boîtier en matière plastique moulée.
EP0894926A1 (fr) * 1997-07-31 1999-02-03 ATOMA ROLTRA S.p.A. Serrure pour véhicule automobile
FR2782741A1 (fr) * 1998-08-27 2000-03-03 Valeo Securite Habitacle Serrure a boitier en matiere plastique
EP1010719A2 (fr) * 1998-12-17 2000-06-21 Ticona GmbH Corps composite d'un produit thermoplaste technique lié à un élastomère de polyuréthane au moyen d'un promoteur d'adhésion
DE202006018744U1 (de) * 2006-12-08 2007-02-15 Kiekert Ag Vorrichtung für ein Kraftfahrzeugschloss mit einer Aufnahme für einen Schließbolzen mit Dämpferelement
EP1975352A1 (fr) * 2007-03-26 2008-10-01 Mazda Motor Corporation Dispositif de verrouillage de portière pour véhicule
US20140210220A1 (en) * 2013-01-31 2014-07-31 Strattec Security Corporation Latch mechanism for a vehicle

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