EP0655539B1 - Vehicle door lock - Google Patents
Vehicle door lock Download PDFInfo
- Publication number
- EP0655539B1 EP0655539B1 EP94110981A EP94110981A EP0655539B1 EP 0655539 B1 EP0655539 B1 EP 0655539B1 EP 94110981 A EP94110981 A EP 94110981A EP 94110981 A EP94110981 A EP 94110981A EP 0655539 B1 EP0655539 B1 EP 0655539B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- vehicle door
- door lock
- motor vehicle
- actuating drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004033 plastic Substances 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002991 molded plastic Substances 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
- E05B85/02—Lock casings
-
- 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
- E05B2015/1642—Use of special materials for parts of locks of plastics materials for the whole lock
-
- 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
- E05B77/46—Locking several wings simultaneously
- E05B77/50—Locking several wings simultaneously by pneumatic or hydraulic means
Definitions
- the invention relates to a motor vehicle door lock with the features of the preamble of claim 1.
- the well-known motor vehicle door lock from which the invention is based (GB - A - 2nd 193 751), has a one-piece plastic housing in connection with a support plate made of metal, with all function levers of the Locking mechanism via corresponding bearing pins on the carrier plate or on the housing are stored.
- An otherwise commonly used in motor vehicle door locks, metal end plate opposite the carrier plate (US Pat. No. 4,538, 845) is not provided here, so that this motor vehicle door lock is expensive is quite cheap.
- motor vehicle door lock is operated purely mechanically, therefore has no actuator.
- Motor vehicle door locks can, however, with actuators be provided, for example with a pneumatic actuator (DE - C - 42 05 269) or an electric actuator (GB - A - 2 033 954).
- the invention has for its object to provide how a pneumatic or Electric actuator optimally integrated into the generic motor vehicle door lock can be.
- the structural optimization of a pneumatic actuator is achieved by that the actuator cylinder, so to speak the outer skin of a pneumatic Actuator forms with the plastic housing in the molding Manufacturing process is made in one piece. For an electric actuator this applies to its actuator housing in a corresponding manner.
- the motor vehicle door lock shown in Fig. 1 initially, only here indicated, a preferably angular, an inlet slot 1 for a locking block, not shown here, consisting of metal Carrier plate 2 on.
- a preferably angular, an inlet slot 1 for a locking block not shown here, consisting of metal Carrier plate 2 on.
- closing elements such as a designed as a rotary latch Lock latch 3 and a pawl 4 rotatably mounted.
- the metallic bearing elements on the support plate 2 provide the required stability of the Storage, the support plate 2 overall ensures the resistance against high tear forces.
- 1 and 2 further schematically indicate that a diverse function lever 5, whose function is not important here in detail, has locking mechanism is present.
- One piece is also provided made of fiber-reinforced plastic, if necessary, in a molding process, especially manufactured by injection molding 6. This is firmly connected to the carrier plate 2, namely by means of Bolt screwed. You can see the openings 7 for the three of the Connection of the carrier plate 2 with the housing 6 and the motor vehicle door lock in total with a motor vehicle door serving bolt in Fig. 2.
- FIG. 1 and 2 show in connection that the housing 6 without one the end plate arranged facing away from the backing plate 2 2 is made of metal and also all function levers 5 of the locking mechanism primarily on the housing 6, possibly also on or supported by the carrier plate 2 are stored. While maintaining the one-piece made of plastic Housing 6 as storage for the function lever 5 of the locking mechanism and for lock latch 3 and pawl 4, the housing 6 to in addition to the support plate 2 single structural element of the motor vehicle door lock overall, it takes on the functions of the existing ones End plate made of metal with. This brings considerable manufacturing technology Advantages and therefore significantly lower costs.
- the actuator cylinder 8 usually consists of an injection molding process manufactured plastic.
- the execution of the invention Motor vehicle door lock with a housing 6 that the function of Metal existing end plate with takes over creates the possibility that the actuator cylinder 8 with the housing 6 made of plastic is formed. In any case, this applies to the main part of the actuator cylinder 8, an end plate also made of plastic must of course also here be clipped into the actuator cylinder 8.
- an electric actuator known as a conventional alternative would be an actuator housing made of plastic corresponding to the housing the door lock can be molded in one piece.
- the metal end plate is often a has an angularly projecting support arm or is angled at an angle, so as to provide fastening points for function lever 5 of the locking mechanism.
- Fig. 1 this is now taken into account in that at least one on the housing 6 Angularly protruding support arm 9 is provided, which, preferably, with an actuator 10 of the actuator cooperates.
- a motor vehicle door lock according to the invention applies that the housing 6 with sockets 11th for plastic bearing mandrels and / or with integrally molded plastic bearing mandrels is provided. Again, some can be less mechanical loaded functional lever 5 itself made as plastic molded parts be. Overall, this results in a further cost optimization Motor vehicle door lock, which nevertheless meets all safety requirements enough.
Landscapes
- Lock And Its Accessories (AREA)
Description
Die Erfindung betrifft ein Kraftfahrzeug-Türschloß mit den Merkmalen des Oberbegriffs
von Anspruch 1.The invention relates to a motor vehicle door lock with the features of the preamble
of
Das bekannte Kraftfahrzeug-Türschloß, von dem die Erfindung ausgeht (GB - A - 2 193 751), weist ein einstückig aus Kunststoff hergestelltes Gehäuse in Verbindung mit einer aus Metall bestehenden Trägerplatte auf, wobei alle Funktionshebel der Schließmechanik über entsprechende Lagerzapfen an der Trägerplatte bzw. am Gehäuse gelagert sind. Eine ansonsten bei Kraftfahrzeug-Türschlössern häufig verwendete, der Trägerplatte gegenüberliegende Abschlußplatte aus Metall (US - A - 4,538, 845) ist hier nicht vorgesehen, so daß dieses Kraftfahrzeug-Türschloß kostenmäßig recht günstig dasteht.The well-known motor vehicle door lock from which the invention is based (GB - A - 2nd 193 751), has a one-piece plastic housing in connection with a support plate made of metal, with all function levers of the Locking mechanism via corresponding bearing pins on the carrier plate or on the housing are stored. An otherwise commonly used in motor vehicle door locks, metal end plate opposite the carrier plate (US Pat. No. 4,538, 845) is not provided here, so that this motor vehicle door lock is expensive is quite cheap.
Das bekannte, zuvor erläuterte Kraftfahrzeug-Türschloß ist rein mechanisch betätigt, weist also keinen Stellantrieb auf. Kraftfahrzeug-Türschlössesr können aber mit Stellantrieben versehen werden, beispielsweise mit einem pneumatischen Stellantrieb (DE - C - 42 05 269) oder einem elektrischen Stellantrieb (GB - A - 2 033 954).The known, previously explained motor vehicle door lock is operated purely mechanically, therefore has no actuator. Motor vehicle door locks can, however, with actuators be provided, for example with a pneumatic actuator (DE - C - 42 05 269) or an electric actuator (GB - A - 2 033 954).
Der Erfindung liegt die Aufgabe zugrunde anzugeben, wie ein pneumatischer oder elektrischer Stellantrieb in das gattungsgemäße Kraftfahrzeug-Türschloß optimal integriert werden kann.The invention has for its object to provide how a pneumatic or Electric actuator optimally integrated into the generic motor vehicle door lock can be.
Die zuvor gezeigte Aufgabe ist bei dem Kraftfährzeug-Türschloß mit den Merkmalen
des Oberbegriffs von Anspruch 1 durch die Merkmale des kennzeichnenden Teils
von Anspruch 1 gelöst.The task shown above is for the motor vehicle door lock with the features
of the preamble of
Die konstruktive Optimierung gelingt bei einem pneumatischen Stellantrieb dadurch, daß der Stellantriebszylinder, der gewissermaßen die Außenhaut eines pneumatischen Stellantriebs bildet, mit dem aus Kunststoff bestehenden Gehäuse im formtechnischen Herstellungsverfahren einstückig hergestellt wird. Für einen elektrischen Stellantrieb gilt dies für dessen Stellantriebsgehäuse in entsprechender Weise.The structural optimization of a pneumatic actuator is achieved by that the actuator cylinder, so to speak the outer skin of a pneumatic Actuator forms with the plastic housing in the molding Manufacturing process is made in one piece. For an electric actuator this applies to its actuator housing in a corresponding manner.
Bevorzugte Weiterbildungen der Lehre des Patentanspruchs 1 sind Gegenstand der
Unteransprüche.Preferred developments of the teaching of
Im folgenden wird die Erfindung anhand einer lediglich ein bevorzugtes Ausführungsbeispiel darstellenden Zeichnung näher erläutert. In der Zeichnung zeigt
- Fig. 1
- ein erfindungsgemäßes Kraftfahrzeug-Türschloß in einer Ansicht von der Einlaufseite des Einlaufschlitzes her gesehen und
- Fig. 2
- das Kraftfahrzeug-Türschloß aus Fig. 1 in einer Ansicht von rechts in Fig. 1.
- Fig. 1
- an inventive motor vehicle door lock seen in a view from the inlet side of the inlet slot and
- Fig. 2
- the motor vehicle door lock from FIG. 1 in a view from the right in Fig. 1st
Das in Fig. 1 dargestellte Kraftfahrzeug-Türschloß weist zunächst, hier nur
angedeutet, eine vorzugsweise winkelförmige, einen Einlaufschlitz 1 für
einen hier nicht dargestellten Schließkloben aufweisende, aus Metall bestehende
Trägerplatte 2 auf. An der Trägerplatte 2 sind, wie in Fig. 1 schematisch
angedeutet, Schließelemente wie eine als Drehfalle ausgeführte
Schloßfalle 3 und eine Sperrklinke 4 drehbar gelagert. Die metallischen Lagerelemente
an der Trägerplatte 2 bieten die erforderliche Stabilität der
Lagerung, die Trägerplatte 2 insgesamt sorgt für die Widerstandsfähigkeit
gegenüber hohen Aufreißkräften.The motor vehicle door lock shown in Fig. 1 initially, only here
indicated, a preferably angular, an
In Fig. 1 und 2 ist weiter schematisch angedeutet, daß eine diverse Funktionshebel
5, auf deren Funktion es im einzelnen hier nicht weiter ankommt,
aufweisende Schließmechanik vorhanden ist. Vorgesehen ist ferner ein einstückig
aus ggf. faserverstärktem Kunststoff in einem formtechnischen Herstellungsverfahren,
insbesondere im Spritzgießverfahren, hergestelltes Gehäuse
6. Dieses ist mit der Trägerplatte 2 fest verbunden, nämlich mittels
Schraubenbolzen verschraubt. Man erkennt die öffnungen 7 für die drei der
Verbindung der Trägerplatte 2 mit dem Gehäuse 6 und des Kraftfahrzeug-Türschlosses
insgesamt mit einer Kraftfahrzeugtür dienenden Schraubbolzen in
Fig. 2.1 and 2 further schematically indicate that a
Fig. 1 und 2 zeigen nun im Zusammenhang, daß das Gehäuse 6 ohne eine auf
der von der Trägerplatte 2 abgewandten Rückseite angeordnete Abschlußplatte
2 aus Metall ausgeführt ist und auch alle Funktionshebel 5 der Schließmechanik
primär am Gehäuse 6, ggf. auch an oder unterstützt von der Trägerplatte
2 gelagert sind. Unter Beibehaltung des aus Kunststoff einstückig hergestellten
Gehäuses 6 als Lagerung für die Funktionshebel 5 der Schließmechanik
sowie für Schloßfalle 3 und Sperrklinke 4 wird das Gehäuse 6 zum
neben der Trägerplatte 2 einzigen Strukturelement des Kraftfahrzeug-Türschlosses
insgesamt, übernimmt also die Funktionen der bislang vorhandenen
Abschlußplatte aus Metall mit. Das bringt erhebliche fertigungstechnische
Vorteile und damit wesentlich geringere Kosten.1 and 2 show in connection that the housing 6 without one
the end plate arranged facing away from the
Bekannt ist aus dem Stand der Technik für sich natürlich auch der Einsatz eines Zentralverriegelungsantriebs mit einem pneumatischen Stellantrieb (siehe beispielsweise DE - C - 42 05 269). Bei einem solchen pneumatischen Stellantrieb besteht der Stellantriebszylinder 8 meist aus einem im Spritzgießverfahren hergestellten Kunststoff. Die erfindungsgemäße Ausführung des Kraftfahrzeug-Türschlosses mit einem Gehäuse 6, das die Funktion der aus Metall bestehenden Abschlußplatte mit übernimmt, schafft die Möglichkeit, daß der Stellantriebszylinder 8 mit dem Gehäuse 6 aus Kunststoff einstückig ausgeformt ist. Das gilt jedenfalls für den Hauptteil des Stellantriebszylinders 8, eine Abschlußplatte ebenfalls aus Kunststoff muß auch hier natürlich in den Stellantriebszylinder 8 eingeclipst werden.Of course, the use is also known from the prior art a central locking drive with a pneumatic actuator (see for example DE-C-42 05 269). With such a pneumatic Actuator, the actuator cylinder 8 usually consists of an injection molding process manufactured plastic. The execution of the invention Motor vehicle door lock with a housing 6 that the function of Metal existing end plate with takes over creates the possibility that the actuator cylinder 8 with the housing 6 made of plastic is formed. In any case, this applies to the main part of the actuator cylinder 8, an end plate also made of plastic must of course also here be clipped into the actuator cylinder 8.
Bei einem als übliche Alternative bekannten elektrischen Stellantrieb wäre ein aus Kunststoff bestehendes Stellantriebsgehäuse entsprechend mit dem Gehäuse des Türschlosses einstückig ausformbar.In an electric actuator known as a conventional alternative would be an actuator housing made of plastic corresponding to the housing the door lock can be molded in one piece.
Im allgemeinen Teil der Beschreibung ist schon ausgeführt worden, daß im
Stand der Technik die aus Metall bestehende Abschlußplatte häufig einen
winkelförmig abragenden Tragarm aufweist bzw. winkelförmig abgekantet ist,
um so Befestigungsstellen für Funktionshebel 5 der Schließmechanik bereitzustellen.
Im dargestellten und insoweit bevorzugten Ausführungsbeispiel (Fig.
1) ist dies nun dadurch berücksichtigt, daß am Gehäuse 6 mindestens ein
winkelförmig abragender Tragarm 9 vorgesehen ist, der, vorzugsweise, mit
einem Stellelement 10 des Stellantriebs zusammenwirkt.In the general part of the description it has already been stated that in
State of the art, the metal end plate is often a
has an angularly projecting support arm or is angled at an angle,
so as to provide fastening points for
Auch im dargestellten Ausführungsbeispiel eines erfindungsgemäßen Kraftfahrzeug-Türschlosses
gilt im übrigen, daß das Gehäuse 6 mit Fassungen 11
für Kunststoff-Lagerdorne und/oder mit einstückig angeformten Kunststofflagerdornen
versehen ist. Auch hier können einzelne, nicht so stark mechanisch
belastete Funktionshebel 5 selbst wieder als Kunststoff-Formteile hergestellt
sein. Insgesamt ergibt sich so ein kostenmäßig weiter optimiertes
Kraftfahrzeug-Türschloß, das gleichwohl allen sicherheitstechnischen Anforderungen
genügt.Also in the illustrated embodiment of a motor vehicle door lock according to the invention
applies that the housing 6 with sockets 11th
for plastic bearing mandrels and / or with integrally molded plastic bearing mandrels
is provided. Again, some can be less mechanical
loaded
Claims (4)
- Motor vehicle door lock, with a carrier plate (2) having an entry slot (1) for a locking hook and consisting of metal, locking elements, such as a lock latch (3) and detent pawl (4), mounted on the carrier plate (2), and a locking mechanism having various operating levers (5), with a housing (6) produced in one piece from plastic in a forming production process and fixedly connected to the carrier plate (2), the housing being designed without a cover plate arranged on the rear side facing away from the carrier plate (2), and all the operating levers (5) of the locking mechanism being mounted primarily on the housing (6), if appropriate also on or with the support of the carrier plate (2), characterized in that the locking mechanism has a pneumatic actuating drive with an actuating drive cylinder (8) made of plastic and the actuating drive cylinder (8) is formed in one piece with the housing (6), or in that the locking mechanism has an electric actuating drive with an actuating drive housing made of plastic and the actuating drive housing is formed in one piece with the housing.
- Motor vehicle door lock according to Claim 1, characterized in that there is provided on the housing (6) at least one angularly projecting carrying arm (9) which cooperates preferably with an actuating element (10) of the actuating drive.
- Motor vehicle door lock according to Claims 1 or 2, characterized in that the housing (6) is provided with sockets (11) for plastic bearing pins.
- Motor vehicle door lock according to one of Claims 1 to 3, characterized in that the housing (6) is provided with plastic bearing pins formed on in one piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/348,253 US5582449A (en) | 1993-11-26 | 1994-11-28 | Automobile door lock |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9318145U | 1993-11-26 | ||
| DE9318145U DE9318145U1 (en) | 1993-11-26 | 1993-11-26 | Motor vehicle door lock |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0655539A2 EP0655539A2 (en) | 1995-05-31 |
| EP0655539A3 EP0655539A3 (en) | 1996-07-24 |
| EP0655539B1 true EP0655539B1 (en) | 1998-06-17 |
Family
ID=6901213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94110981A Expired - Lifetime EP0655539B1 (en) | 1993-11-26 | 1994-07-14 | Vehicle door lock |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0655539B1 (en) |
| DE (2) | DE9318145U1 (en) |
| ES (1) | ES2118289T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012111606A1 (en) | 2012-11-29 | 2014-04-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | cylinder housing |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29513908U1 (en) * | 1995-08-30 | 1995-10-26 | Kiekert AG, 42579 Heiligenhaus | Motor vehicle door lock |
| DE29615343U1 (en) * | 1996-09-03 | 1998-01-08 | Georg Fritzmeier GmbH & Co., 85655 Großhelfendorf | Turn lock |
| DE10006765B4 (en) * | 2000-02-15 | 2005-05-19 | Brose Schließsysteme GmbH & Co.KG | Motor vehicle door lock with a compact construction |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2439284A1 (en) * | 1978-10-18 | 1980-05-16 | Peugeot Aciers Et Outil | VEHICLE DOOR LOCK |
| US4756563A (en) * | 1986-08-11 | 1988-07-12 | General Motors Corporation | Vehicle door latch |
| JPS6378977A (en) * | 1986-09-22 | 1988-04-09 | 株式会社 安成工業 | Body of door lock for car |
| JPH076311B2 (en) * | 1987-07-17 | 1995-01-30 | 日産自動車株式会社 | Car door lock |
| JP2573895B2 (en) * | 1992-01-31 | 1997-01-22 | 株式会社大井製作所 | Door lock device for automobile |
| DE4205269C1 (en) * | 1992-02-21 | 1993-05-06 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De |
-
1993
- 1993-11-26 DE DE9318145U patent/DE9318145U1/en not_active Expired - Lifetime
-
1994
- 1994-07-14 DE DE59406268T patent/DE59406268D1/en not_active Expired - Lifetime
- 1994-07-14 ES ES94110981T patent/ES2118289T3/en not_active Expired - Lifetime
- 1994-07-14 EP EP94110981A patent/EP0655539B1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012111606A1 (en) | 2012-11-29 | 2014-04-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | cylinder housing |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59406268D1 (en) | 1998-07-23 |
| DE9318145U1 (en) | 1995-03-30 |
| EP0655539A3 (en) | 1996-07-24 |
| EP0655539A2 (en) | 1995-05-31 |
| ES2118289T3 (en) | 1998-09-16 |
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