EP2946054A1 - Motor vehicle door lock - Google Patents

Motor vehicle door lock

Info

Publication number
EP2946054A1
EP2946054A1 EP13713075.3A EP13713075A EP2946054A1 EP 2946054 A1 EP2946054 A1 EP 2946054A1 EP 13713075 A EP13713075 A EP 13713075A EP 2946054 A1 EP2946054 A1 EP 2946054A1
Authority
EP
European Patent Office
Prior art keywords
contour
pawl
motor vehicle
vehicle door
door lock
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
EP13713075.3A
Other languages
German (de)
French (fr)
Other versions
EP2946054B1 (en
Inventor
Thorsten Bendel
Armin Handke
Matthias Ochtrop
Michael Herrmann
Andreas Sohlbach
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 EP2946054A1 publication Critical patent/EP2946054A1/en
Application granted granted Critical
Publication of EP2946054B1 publication Critical patent/EP2946054B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • 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
    • E05B77/36—Noise prevention; Anti-rattling means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/243—Bolts rotating about an axis with a bifurcated bolt
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means

Definitions

  • the invention relates to a motor vehicle door lock, with a locking mechanism of the catch and pawl, wherein the pawl rests in the closed state of the locking mechanism with its locking contour on a latching contour of the rotary latch.
  • the locking mechanism of a motor vehicle door closure is a core component of the closure, because ultimately the locking mechanism ensures that an associated motor vehicle door is locked and held in relation to the motor vehicle body.
  • the catch of rotary latch and pawl is solid and usually made of steel to accommodate occurring at this point considerable forces can.
  • a motor vehicle door lock with the locking mechanism therein is mounted inside a motor vehicle side door and typically interacts with a locking bolt on the vehicle body, such as a B-pillar.
  • DE 42 19 429 C1 teaches a closure with an actuatable by a locking pin catch.
  • the catch can be locked in a pre-rest and in a main position by means of a pawl.
  • the pawl has not only a locking member, but also a safety locking member.
  • the catch and the pawl are massively designed for the reasons already described above, it comes when lifting the pawl of the catch often undesirable and annoying perceived "click" noises. These are often supported and reinforced by the fact that the tailgate closes a Heckraumvolumen, which acts insofar as resonant volume or can act.
  • the invention aims to provide a total remedy.
  • a generic motor vehicle door lock in the invention is characterized in that the locking contour is formed in two parts with retaining contour and rolling contour, the retaining contour interacts predominantly in the closed state of the locking mechanism with the locking contour, whereas the rolling contour beyond Opening operation of the rotary latch on the locking contour and optionally additionally rolls on a leg of the rotary latch, so that the opening rotary latch lifts virtually noiselessly from the rolling edge of the pawl.
  • the pawl is thus equipped with a special locking contour.
  • the locking contour is composed essentially of the retaining contour and the rolling contour, which are designed differently from each other.
  • the holding contour in the closed state of the locking mechanism ensures that the pawl does its original function by the holding contour interacts with the locking contour of the rotary latch.
  • the catch contour of the catch can have a total of a preliminary catch and a main catch or be formed as a pre-locking or main catch contour, wherein the catch is supported in the associated locking positions respectively on the holding contour of the pawl.
  • the pawl according to the invention still has a rolling contour, wherein the holding contour and the rolling contour as a whole define the locking contour.
  • the rolling contour generally has no supporting or locking effect. Rather, the rolling contour of the pawl only comes into action when the catch has already started its opening process, ie has left the closed position or the closed state. In this case, the holding contour are on the pawl and the locking contour on the catch not or mostly no longer engaged.
  • the rolling contour now ensures in this opening operation of the rotary latch - depending on the closed state of the locking mechanism - that the locking contour and possibly also a leg of the rotary latch can roll on the rolling contour.
  • there is a mechanical contact of the rotary catch with the pawl which exceeds the actual closed position and the associated supporting effect of the retaining contour with respect to the latching contour.
  • the rolling contour on the pawl and, on the other hand, the rollover of the locking contour or the additional leg on the catch are responsible.
  • the retaining contour and the rolling contour generally adjoin one another at the end of the locking latch on the side of the rotary latch. It is usually the procedure that the holding contour is connected to the rolling contour in Aushebecardi the pawl.
  • the lifting direction of the pawl usually corresponds to a pivoting movement about an associated axis of rotation. This pivoting movement of the pawl can be initiated mechanically and manually with a lever.
  • the pawl is usually associated with a drive unit for its motorized lifting, that is, the drive unit ensures that the pawl is lifted and also specifies the lifting direction of the pawl.
  • the pawl performs a total of the already mentioned pivotal movement about the axis of rotation. Opposite the axis of rotation or the rotation axis side end of the pawl is the rotary latch side end of the pawl with the there provided retaining contour and the rolling contour.
  • the design is usually made so that the rolling contour in Aushebeutter the pawl, the retaining contour at least partially surmounted radially.
  • the rolling contour projects beyond the retaining contour in the respective lifting direction of the pawl generally progressively or progressively radially. That is, with increasing pivot angle of the pawl about its axis of rotation and the radial distance between the holding contour and the rolling contour is larger, increases progressively.
  • the invention takes into account the fact that the opening catch and the pivoted pawl in the lifting direction increasingly remove from each other at their contact area.
  • the invention now provides at this point a compensation in that the rolling contour projects beyond the retaining contour progressively radially.
  • the design is such that the rolling contour in Aushebecardi the pawl with the catch in its closed state overlaps at least partially. Most of the rolling contour overlaps in the respective Ausheberaum with the locking contour on the catch and possibly the leg of the catch in its closed state. This overlap takes into account the fact that, when the catch is opened, the pawl and the catch generally move away from each other. In order to ensure at this point according to the invention a beyond the closed state mechanical contact can, the pawl of the catch rushes as it were.
  • the rolling contour and the holding contour are each typically designed as circular arcs. It works regularly with different radii and / or different centers for on the one hand the rolling contour and on the other hand, the holding contour. In general, the radius of the rolling contour exceeds that of the holding contour, so that the rolling contour can correspond to the already described function of the "caster" with respect to the opening movement of the rotary latch.
  • the center of the rolling contour and the center of the retaining contour are usually spaced apart. It is generally provided that the center of the retaining contour is arranged below the axis of rotation of the pawl and the center of the rolling contour above the axis of rotation. In addition, the respective center points and the axis of rotation are preferably located on a common connection path.
  • a motor vehicle door lock is provided with a locking ratchet pawl and rotary latch, which can be opened particularly particularly quiet.
  • the low noise is achieved in that the pawl and the rotary latch - starting from the closed state of the locking mechanism - have a more extensive mechanical contact.
  • This mechanical contact is made on the one hand by the rolling contour of the pawl and on the other hand, the locking contour of the catch and possibly also a leg of the catch.
  • the design is such that the adjacent contours of a
  • Fig. 1 is a motor vehicle door lock or its locking mechanism in a schematic representation and Fig. 2 is an enlarged detail of FIG. 1 in a partially modified embodiment.
  • a motor vehicle door lock which has a lock case 1, in which a locking mechanism 2, 3 of the catch 2 and locking pawl 3 is mounted.
  • a locking mechanism 2, 3 of the catch 2 and locking pawl 3 is mounted to the rotary latch 2
  • the pawl 3 is pivotally mounted about an axis of rotation 5.
  • the locking mechanism 2, 3 is shown in Fig. 1 in the closed state. To open the locking mechanism 2, 3 operates in the embodiment and not limiting a drive unit 7, 8 on the pawl 3.
  • the drive unit 7, 8 is composed in the example of a motor or electric motor 7 and an acted upon by the motor 7 actuating cam 8 together ,
  • the actuating cam 8 is designed as a whole spiral, so that a rotation
  • the rotary latch 2 is supported in the illustrated closed state of the locking mechanism 2, 3 with a latching contour 10 on a locking contour 11, 12 of the pawl 3 from.
  • the latching contour 10 is a main latching contour 10 of the rotary latch 2.
  • a latching contour 13 is still provided on the rotary latch 2, which, however, is unimportant for the following considerations.
  • the locking pawl 3 bears with its locking contour 11, 12 against the latching contour or main locking contour 10 of the rotary latch 2.
  • the rotary latch 2 is supported by the relevant locking contour 10 on the locking contour 11, 12 of the rotary latch 3.
  • the locking contour 11, 12 of the pawl 3 is inventively formed in two parts and consists of a retaining contour 11 and a rolling contour 12th
  • the retaining contour 11 interacts predominantly in the closed state of the locking mechanism 2, 3 with the locking contour or main locking contour 10 of the rotary latch 2.
  • the rotary latch 2 is supported in the closed state of the locking mechanism 2, 3 at precisely this retaining contour 11 of the locking pawl 3 (see Fig. 2).
  • the retaining contour 11 and the rolling contour 12 are first arranged once at a rotary latch end of the pawl 3 and close to each other.
  • This rotary latch-side end of the pawl 3 is the axis of rotation-side end of the pawl 3 opposite, on which the axis of rotation 5 of the pawl 3 is found.
  • the retaining contour 11 is connected to the rolling contour 12 in the lifting direction A of the pawl 3.
  • the rolling contour 12 in the respective Aushebecardi A of the pawl 3 the retaining contour 11 at least partially surmounted radially. At this point, it is observed that the rolling contour 12 projects progressively or progressively radially beyond the retaining contour 11 in the release direction A of the pawl 3.
  • the rolling contour 12 overlaps in the Aushebecardi A of the pawl 3 with the catch 2 in the closed state at least partially. In fact, an overlap region 14, which is shown hatched in FIG. 2, is observed at this point.
  • the rolling contour 12 as well as the holding contour 1 1 are each formed as circular arcs. Radii n, ⁇ 2 and associated centers ⁇ - ⁇ , M2 correspond to the circular arcs.
  • the radius n belongs to the retaining contour 1 1 and starts from the associated center of the retaining contour 1 1.
  • the radius r 2 corresponds to the rolling contour 12 and is struck around the associated center M 2 .
  • the overall design is such that the respective circular arcs or contours 1 1, 12 are equipped with different radii n, r 2 and also different centers Mi, M 2 respectively.
  • the radius r 2 of the rolling contour 12 exceeds the associated radius n of the retaining contour 1 1.
  • the locking contour 1 1, 12 on the pawl 3 in total designed and designed so that the locking contour 1 1, 12 latches the pawl 3 and consequently the opening movement of the rotary latch 2 of the associated locking contour 10 on the catch 2 as it were or lags.
  • the center Mi of the retaining contour 1 1 or of the associated circular arc with the radius n is arranged below the rotational axis 5 of the pawl 3 additionally contributes to this.
  • the center M 2 of the rolling contour with the radius r 2 is located above the axis of rotation 5 in question.
  • the two centers Mi, M 2 and the axis of rotation 5 are arranged in total on a common connecting path, as indicated by dash-dotted lines in FIG. This, of course, as well as the arrangement of the centers Mi, M 2 compared to the axis of rotation 5 only by way of example and not restrictive to understand.
  • the detent contour 10 of the catch 2 moves away from the retaining contour 11 of the pawl 3.
  • the rolling contour 12 of the pawl 3 connects to the retaining contour 11 and with the already described progressively increasing radial distance in comparison is designed for holding contour 11, the rolling contour 12 of the pawl 3 of the locking contour 10 on the catch 2 as it follows in this opening process.

Landscapes

  • Lock And Its Accessories (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

The invention relates to a motor vehicle door lock, with a locking mechanism (2, 3) consisting of a rotary latch (2) and a pawl (3), wherein, in the closed state of the locking mechanism (2, 3), the pawl (3) bears with the locking contour (11, 12) thereof against a latching contour (10, 13) of the rotary latch (2), wherein the locking contour (11, 12) is formed in two parts with a retaining contour (11) and a rolling contour (12).

Description

Kraftfahrzeugtürverschluss  Motor vehicle door lock
Beschreibung: Description:
Die Erfindung betrifft einen Kraftfahrzeugtürverschluss, mit einem Gesperre aus Drehfalle und Sperrklinke, wobei die Sperrklinke in geschlossenem Zustand des Gesperres mit ihrer Verriegelungskontur an einer Rastkontur der Drehfalle anliegt. The invention relates to a motor vehicle door lock, with a locking mechanism of the catch and pawl, wherein the pawl rests in the closed state of the locking mechanism with its locking contour on a latching contour of the rotary latch.
Bei dem Gesperre eines Kraftfahrzeugtürverschlusses handelt es sich um einen Kernbestandteil des Verschlusses, weil letztlich das Gesperre dafür sorgt, dass eine zugehörige Kraftfahrzeugtür gegenüber der Kraftfahrzeugkarosserie verriegelt und festgehalten wird. Zu diesem Zweck ist das Gesperre aus Drehfalle und Sperrklinke massiv und üblicherweise aus Stahl ausgeführt, um an dieser Stelle auftretende erhebliche Kräfte aufnehmen zu können. Tatsächlich ist beispielsweise ein Kraftfahrzeugtürschloss mit dem darin befindlichen Gesperre im Innern einer Kraftfahrzeug-Seitentür angebracht und wechselwirkt typischerweise mit einem Schließbolzen an der Kraftfahrzeugkarosserie, beispielsweise einer B-Säule. The locking mechanism of a motor vehicle door closure is a core component of the closure, because ultimately the locking mechanism ensures that an associated motor vehicle door is locked and held in relation to the motor vehicle body. For this purpose, the catch of rotary latch and pawl is solid and usually made of steel to accommodate occurring at this point considerable forces can. In fact, for example, a motor vehicle door lock with the locking mechanism therein is mounted inside a motor vehicle side door and typically interacts with a locking bolt on the vehicle body, such as a B-pillar.
Aufgrund der Sicherheitsrelevanz von Gesperren hat es im Stand der Technik bereits Ansätze gegeben, eine Verbesserung unter Berücksichtigung sicherheitstechnischer Aspekte zur Verfügung zu stellen und insbesondere Verfor- mungen aufzufangen. In diesem Zusammenhang lehrt die DE 42 19 429 C1 einen Verschluss mit einer durch einen Schließbolzen betätigbaren Drehfalle. Die Drehfalle lässt sich in einer Vorrast- und in einer Hauptraststellung mittels einer Sperrklinke verrasten. Die Sperrklinke weist nicht nur ein Sperrglied, sondern auch ein Sicherheitssperrglied auf. Due to the safety relevance of locking systems, there have already been attempts in the prior art to provide an improvement taking account of safety-related aspects and, in particular, to absorb deformations. In this context, DE 42 19 429 C1 teaches a closure with an actuatable by a locking pin catch. The catch can be locked in a pre-rest and in a main position by means of a pawl. The pawl has not only a locking member, but also a safety locking member.
Ähnlich wie die zuvor beschriebenen Seitentürschlösser sind auch Heckklappenschlösser aufgebaut, bei welchen das Kraftfahrzeugtürschloss mit dem Gesperre im Innern der Heckklappe Platz findet, wohingegen der zugehörige Schließbolzen an einer Ladekante angebracht ist. Solche Heckschlösser bzw. Similar to the previously described side door locks and tailgate locks are constructed in which the vehicle door lock with the locking mechanism inside the tailgate takes place, whereas the associated locking bolt is attached to a sill. Such rear locks or
Bestätigungskopiel Kraftfahrzeugtürverschlüsse für die Heckklappe werden heutzutage regelmäßig motorisch geöffnet. Zu diesem Zweck arbeitet eine zugehörige Antriebseinheit auf die Sperrklinke und hebt diese aus. Als Folge hiervon wird die Drehfalle typischerweise federunterstützt geöffnet und gibt den Schließbolzen und somit die Heckklappe gegenüber der Kraftfahrzeugkarosserie frei. Bestätigungskopiel Motor vehicle door locks for the tailgate are now open regularly motorized. For this purpose, an associated drive unit operates on the pawl and lifts it out. As a result, the catch is typically spring-assisted open and releases the locking pin and thus the tailgate with respect to the vehicle body.
Im Rahmen der gattungsbildenden DE 296 12 524 U1 wird eine Einrichtung zum Verschließen und zum Zuziehen sowie zum Öffnen einer Heckraumklappe an einer Kraftfahrzeugkarosserie beschrieben. An dieser Stelle ist eine Zuzieh- schwinge auf einem Schlossblech achsgleich zur Drehfalle gelagert. Die Sperrklinke ist exzentrisch zur Drehfalle auf der Zuziehschwinge angeordnet und lässt sich auf diese Weise mit Hilfe der Zuziehschwinge von der Drehfalle motorisch abheben. Tatsächlich ist bei der bekannten Lehre eine mechanische Kopplung der Zuziehfunktion und der Sperrklinkenbetätigung realisiert. In the context of the generic DE 296 12 524 U1 a device for closing and closing and opening a rear door on a motor vehicle body is described. At this point, a closing swingarm is mounted on a lock plate coaxially with the catch. The pawl is arranged eccentrically to the catch on the Zuziehschwinge and can be lifted in this way with the help of Zuziehschwinge of the rotary latch motor. In fact, a mechanical coupling of the closing function and the pawl operation is realized in the known teaching.
Da die Drehfalle und die Sperrklinke aus den zuvor bereits geschilderten Gründen massiv ausgelegt sind, kommt es beim Abheben der Sperrklinke von der Drehfalle oftmals zu unerwünschten und als störend empfundenen "Klack-" Geräuschen. Diese werden oftmals noch dadurch unterstützt und verstärkt, dass die Heckklappe ein Heckraumvolumen verschließt, welches insofern als Resonanzvolumen wirkt oder wirken kann. Hier will die Erfindung insgesamt Abhilfe schaffen. Since the catch and the pawl are massively designed for the reasons already described above, it comes when lifting the pawl of the catch often undesirable and annoying perceived "click" noises. These are often supported and reinforced by the fact that the tailgate closes a Heckraumvolumen, which acts insofar as resonant volume or can act. Here, the invention aims to provide a total remedy.
Der Erfindung liegt das technische Problem zugrunde, einen Kraftfahrzeugtür- verschluss der eingangs beschriebenen Gestaltung so weiterzuentwickeln, dass das Geräuschverhalten des Gesperres insgesamt verbessert ist, wobei das Schwergewicht darauf liegt, etwaige Geräusche beim Abheben der Sperrklinke von der Drehfalle möglichst zu minimieren. Zur Lösung der technischen Problemstellung ist ein gattungsgemäßer Kraft- fahrzeugtürverschluss im Rahmen der Erfindung dadurch gekennzeichnet, dass die Verriegelungskontur zweiteilig mit Haltekontur und Abrollkontur ausgebildet ist, wobei die Haltekontur überwiegend in geschlossenem Zustand des Gesperres mit der Rastkontur wechselwirkt, wohingegen sich die Abrollkontur darüber hinausgehend beim Öffnungsvorgang der Drehfalle an der Rastkontur sowie gegebenenfalls zusätzlich an einem Schenkel der Drehfalle abwälzt, so dass sich die öffnende Drehfalle praktisch geräuschlos von der Abrollkante der Sperrklinke abhebt. The invention is based on the technical problem of further developing a motor vehicle door lock of the design described above so that the noise behavior of the locking mechanism is improved overall, the emphasis being placed on minimizing possible noises when lifting the locking catch from the rotary latch. To solve the technical problem, a generic motor vehicle door lock in the invention is characterized in that the locking contour is formed in two parts with retaining contour and rolling contour, the retaining contour interacts predominantly in the closed state of the locking mechanism with the locking contour, whereas the rolling contour beyond Opening operation of the rotary latch on the locking contour and optionally additionally rolls on a leg of the rotary latch, so that the opening rotary latch lifts virtually noiselessly from the rolling edge of the pawl.
Im Rahmen der Erfindung ist die Sperrklinke folglich mit einer speziellen Verriegelungskontur ausgerüstet. Die Verriegelungskontur setzt sich im Wesentlichen aus der Haltekontur und der Abrollkontur zusammen, die unterschiedlich voneinander gestaltet sind. Tatsächlich sorgt die Haltekontur in geschlossenem Zustand des Gesperres dafür, dass die Sperrklinke ihrer originären Funktion nachkommt, indem die Haltekontur mit der Rastkontur der Drehfalle wechselwirkt. Die Rastkontur der Drehfalle kann insgesamt eine Vorrast und eine Hauptrast aufweisen bzw. als Vorrast- oder Hauptrastkontur ausgebildet sein, wobei sich die Drehfalle in den zugehörigen Raststellungen jeweils an der Haltekontur der Sperrklinke abstützt. In the context of the invention, the pawl is thus equipped with a special locking contour. The locking contour is composed essentially of the retaining contour and the rolling contour, which are designed differently from each other. In fact, the holding contour in the closed state of the locking mechanism ensures that the pawl does its original function by the holding contour interacts with the locking contour of the rotary latch. The catch contour of the catch can have a total of a preliminary catch and a main catch or be formed as a pre-locking or main catch contour, wherein the catch is supported in the associated locking positions respectively on the holding contour of the pawl.
Unabhängig von dieser Haltekontur verfügt die Sperrklinke erfindungsgemäß noch über eine Abrollkontur, wobei die Haltekontur und die Abrollkontur insgesamt die Verriegelungskontur definieren. Der Abrollkontur kommt im Allge- meinen keinen abstützende oder verriegelnde Wirkung zu. Vielmehr tritt die Abrollkontur der Sperrklinke erst dann in Aktion, wenn die Drehfalle ihren Öffnungsvorgang bereits gestartet hat, also die geschlossene Stellung bzw. den geschlossenen Zustand verlassen hat. In diesem Fall sind die Haltekontur an der Sperrklinke und die Rastkontur an der Drehfalle nicht oder überwiegend nicht mehr im Eingriff. Regardless of this holding contour, the pawl according to the invention still has a rolling contour, wherein the holding contour and the rolling contour as a whole define the locking contour. The rolling contour generally has no supporting or locking effect. Rather, the rolling contour of the pawl only comes into action when the catch has already started its opening process, ie has left the closed position or the closed state. In this case, the holding contour are on the pawl and the locking contour on the catch not or mostly no longer engaged.
Die Abrollkontur sorgt nun bei diesem Öffnungsvorgang der Drehfalle - ausge- hend vom geschlossenen Zustand des Gesperres - dafür, dass sich die Rastkontur sowie gegebenenfalls zusätzlich ein Schenkel der Drehfalle an der Abrollkontur abwälzen kann. Es findet also erfindungsgemäß und bewusst ein über die eigentliche geschlossene Stellung und die damit verbundene abstützende Wirkung der Haltekontur gegenüber der Rastkontur hinaus- gehender mechanischer Kontakt der Drehfalle mit der Sperrklinke statt. Hierfür zeichnen einerseits die Abrollkontur an der Sperrklinke und andererseits die sich daran abwälzende Rastkontur bzw. der zusätzliche Schenkel an der Drehfalle verantwortlich. Als Folge hiervon entfernen sich die öffnende Drehfalle und die Abrollkontur der Sperrklinke und folglich der Sperrklinke insgesamt sukzessive voneinander, so dass insgesamt etwaige "Klack-"Geräusche oder andere mechanische Geräusche nicht (mehr) auftreten bzw. auf ein Minimum reduziert sind. Um dies im Detail realisieren zu können, schließen die Haltekontur und die Abrollkontur im Allgemeinen am drehfallenseitigen Ende der Sperrklinke aneinander an. Dabei wird meistens so vorgegangen, dass die Haltekontur an die Abrollkontur in Ausheberichtung der Sperrklinke angeschlossen ist. Die Ausheberichtung der Sperrklinke korrespondiert meistens zu einer Schwenk- bewegung um eine zugehörige Drehachse. Diese Schwenkbewegung der Sperrklinke kann mechanisch und manuell mit einem Hebel initiiert werden. The rolling contour now ensures in this opening operation of the rotary latch - depending on the closed state of the locking mechanism - that the locking contour and possibly also a leg of the rotary latch can roll on the rolling contour. Thus, according to the invention, there is a mechanical contact of the rotary catch with the pawl, which exceeds the actual closed position and the associated supporting effect of the retaining contour with respect to the latching contour. For this purpose, on the one hand, the rolling contour on the pawl and, on the other hand, the rollover of the locking contour or the additional leg on the catch are responsible. As a result, the opening catch and the rolling contour of the pawl, and thus the pawl as a whole, successively move away from each other so that any "click" noise or other mechanical noise does not occur or is reduced to a minimum. In order to be able to realize this in detail, the retaining contour and the rolling contour generally adjoin one another at the end of the locking latch on the side of the rotary latch. It is usually the procedure that the holding contour is connected to the rolling contour in Ausheberichtung the pawl. The lifting direction of the pawl usually corresponds to a pivoting movement about an associated axis of rotation. This pivoting movement of the pawl can be initiated mechanically and manually with a lever.
Im Rahmen der Erfindung ist der Sperrklinke jedoch meistens eine Antriebseinheit zu ihrem motorischen Ausheben zugeordnet, das heißt, die Antriebseinheit sorgt dafür, dass die Sperrklinke ausgehoben wird und gibt auch die Ausheberichtung der Sperrklinke vor. Dabei vollführt die Sperrklinke insgesamt die bereits angesprochene Schwenkbewegung um die Drehachse. Gegenüber der Drehachse bzw. dem drehachsenseitigen Ende der Sperrklinke findet sich das drehfallenseitige Ende der Sperrklinke mit der dort vorgesehenen Haltekontur und der Abrollkontur. In the context of the invention, however, the pawl is usually associated with a drive unit for its motorized lifting, that is, the drive unit ensures that the pawl is lifted and also specifies the lifting direction of the pawl. The pawl performs a total of the already mentioned pivotal movement about the axis of rotation. Opposite the axis of rotation or the rotation axis side end of the pawl is the rotary latch side end of the pawl with the there provided retaining contour and the rolling contour.
Dabei ist die Auslegung meistens so getroffen, dass die Abrollkontur in Ausheberichtung der Sperrklinke die Haltekontur wenigstens teilweise radial überragt. Im Detail überragt die Abrollkontur die Haltekontur in der betreffenden Ausheberichtung der Sperrklinke im Allgemeinen zunehmend bzw. progressiv radial. Das heißt, mit wachsendem Schwenkwinkel der Sperrklinke um ihre Drehachse wird auch der radiale Abstand zwischen der Haltekontur und der Abrollkontur größer, steigt progressiv an. Auf diese Weise trägt die Erfindung dem Umstand Rechnung, dass sich die öffnende Drehfalle und die in Ausheberichtung verschwenkte Sperrklinke zunehmend voneinander an ihrem Kontaktbereich entfernen. Die Erfindung schafft nun an dieser Stelle einen Ausgleich dadurch, dass die Abrollkontur die Haltekontur progressiv radial überragt. Im Detail ist die Auslegung so getroffen, dass die Abrollkontur in Ausheberichtung der Sperrklinke mit der Drehfalle in deren geschlossenen Zustand zumindest teilweise überlappt. Meistens überlappt die Abrollkontur in der betreffenden Ausheberichtung mit der Rastkontur an der Drehfalle sowie gegebenenfalls dem Schenkel der Drehfalle in deren geschlossenen Zustand. Diese Über- lappung trägt dem Umstand Rechnung, dass sich beim Öffnen der Drehfalle die Sperrklinke und die Drehfalle im Allgemeinen voneinander entfernen. Um an dieser Stelle erfindungsgemäß einen über den geschlossenen Zustand hinausgehenden mechanischen Kontakt gewährleisten zu können, eilt die Sperrklinke der Drehfalle gleichsam nach. Das wird im Kern dadurch erreicht, dass die Abrollkontur in der Ausheberichtung der Sperrklinke mit der Drehfalle überlappt bzw. mit der Rastkontur sowie gegebenenfalls dem Schenkel der Drehfalle, an welcher bzw. an welchem die Sperrklinke bei der beschriebenen Öffnungsbewegung mit der Abrollkontur entlanggleitet. The design is usually made so that the rolling contour in Ausheberichtung the pawl, the retaining contour at least partially surmounted radially. In detail, the rolling contour projects beyond the retaining contour in the respective lifting direction of the pawl generally progressively or progressively radially. That is, with increasing pivot angle of the pawl about its axis of rotation and the radial distance between the holding contour and the rolling contour is larger, increases progressively. In this way, the invention takes into account the fact that the opening catch and the pivoted pawl in the lifting direction increasingly remove from each other at their contact area. The invention now provides at this point a compensation in that the rolling contour projects beyond the retaining contour progressively radially. In detail, the design is such that the rolling contour in Ausheberichtung the pawl with the catch in its closed state overlaps at least partially. Most of the rolling contour overlaps in the respective Ausheberichtung with the locking contour on the catch and possibly the leg of the catch in its closed state. This overlap takes into account the fact that, when the catch is opened, the pawl and the catch generally move away from each other. In order to ensure at this point according to the invention a beyond the closed state mechanical contact can, the pawl of the catch rushes as it were. This is achieved in essence by the fact that the Rolling contour in the Ausheberichtung the pawl overlaps with the rotary latch or with the locking contour and optionally the leg of the rotary latch on which or on which the pawl slides in the described opening movement with the rolling contour.
Die Abrollkontur und die Haltekontur sind jeweils typischerweise als Kreisbögen ausgebildet. Dabei arbeitet man regelmäßig mit unterschiedlichen Radien und/oder verschiedenen Mittelpunkten für einerseits die Abrollkontur und andererseits die Haltekontur. Im Allgemeinen übersteigt der Radius der Abroll- kontur denjenigen der Haltekontur, damit die Abrollkontur der bereits beschriebenen Funktion des gleichsam "Nachlaufes" in Bezug auf die Öffnungsbewegung der Drehfalle entsprechen kann. The rolling contour and the holding contour are each typically designed as circular arcs. It works regularly with different radii and / or different centers for on the one hand the rolling contour and on the other hand, the holding contour. In general, the radius of the rolling contour exceeds that of the holding contour, so that the rolling contour can correspond to the already described function of the "caster" with respect to the opening movement of the rotary latch.
Der Mittelpunkt der Abrollkontur und der Mittelpunkt der Haltekontur sind meistens voneinander beabstandet. Dabei ist im Allgemeinen vorgesehen, dass der Mittelpunkt der Haltekontur unterhalb der Drehachse der Sperrklinke und der Mittelpunkt der Abrollkontur oberhalb der Drehachse angeordnet ist. Außerdem befinden sich die jeweiligen Mittelpunkte und die Drehachse vorzugsweise auf einer gemeinsamen Verbindungsstrecke. The center of the rolling contour and the center of the retaining contour are usually spaced apart. It is generally provided that the center of the retaining contour is arranged below the axis of rotation of the pawl and the center of the rolling contour above the axis of rotation. In addition, the respective center points and the axis of rotation are preferably located on a common connection path.
Im Ergebnis wird ein Kraftfahrzeugtürverschluss mit einem Gesperre aus Sperrklinke und Drehfalle zur Verfügung gestellt, der sich insbesondere besonders geräuscharm öffnen lässt. Die Geräuscharmut wird dadurch erreicht, dass die Sperrklinke und die Drehfalle - ausgehend von dem geschlossenen Zustand des Gesperres - einen darüber hinausgehenden mechanischen Kontakt aufweisen. Dieser mechanische Kontakt wird einerseits von der Abrollkontur der Sperrklinke und andererseits der Rastkontur der Drehfalle sowie gegebenenfalls zusätzlich einem Schenkel der Drehfalle hergestellt. Außerdem ist die Auslegung so getroffen, dass die aneinander anliegenden Konturen von einer- As a result, a motor vehicle door lock is provided with a locking ratchet pawl and rotary latch, which can be opened particularly particularly quiet. The low noise is achieved in that the pawl and the rotary latch - starting from the closed state of the locking mechanism - have a more extensive mechanical contact. This mechanical contact is made on the one hand by the rolling contour of the pawl and on the other hand, the locking contour of the catch and possibly also a leg of the catch. In addition, the design is such that the adjacent contours of a
seits der Sperrklinke und andererseits der Drehfalle ihren Abstand langsam und nicht abrupt verändern, so dass insgesamt ein besonders "weicher" Übergang vom geschlossenen Zustand des Gesperres über die daran anschließende Öffnungsbewegung mit unverändert mechanischem Kontakt zwischen Sperr- klinke und Drehfalle bis schließlich zur Trennung zwischen Drehfalle und Sperrklinke beobachtet wird. Dieser Bewegungsablauf ist mit besonderen akustischen Vorteilen verbunden. on the one hand the pawl and on the other hand the catch their distance slowly and not abruptly change, so that a total of a particularly "soft" transition from the closed state of the locking mechanism on the subsequent opening movement with unchanged mechanical contact between locking pawl and rotary latch until finally the separation between the catch and pawl is observed. This movement is associated with special acoustic benefits.
Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert; es zeigen: In the following the invention will be explained in more detail with reference to a drawing showing only one exemplary embodiment; show it:
Fig. 1 einen Kraftfahrzeugtürverschluss bzw. dessen Gesperre in schematischer Darstellung und Fig. 2 einen vergrößerten Ausschnitt aus der Fig. 1 in teilweise abgewandelter Ausgestaltung. Fig. 1 is a motor vehicle door lock or its locking mechanism in a schematic representation and Fig. 2 is an enlarged detail of FIG. 1 in a partially modified embodiment.
In der Fig. 1 ist ein Kraftfahrzeugtürverschluss dargestellt, der über einen Schlosskasten 1 verfügt, in dem ein Gesperre 2, 3 aus Drehfalle 2 und Sperr- klinke 3 gelagert ist. Zu der Drehfalle 2 korrespondiert eine Drehachse 4, wohingegen die Sperrklinke 3 um eine Drehachse 5 schwenkbar gelagert ist. Außerdem erkennt man noch einen Schließbolzen 6. In Fig. 1, a motor vehicle door lock is shown, which has a lock case 1, in which a locking mechanism 2, 3 of the catch 2 and locking pawl 3 is mounted. To the rotary latch 2 corresponds to a rotation axis 4, whereas the pawl 3 is pivotally mounted about an axis of rotation 5. In addition, you can still see a locking pin. 6
Das Gesperre 2, 3 ist in der Fig. 1 in geschlossenem Zustand dargestellt. Um das Gesperre 2, 3 zu öffnen, arbeitet im Ausführungsbeispiel und nicht einschränkend eine Antriebseinheit 7, 8 auf die Sperrklinke 3. Die Antriebseinheit 7, 8 setzt sich im Beispielfall aus einem Motor bzw. Elektromotor 7 und einem vom Motor 7 beaufschlagten Betätigungsnocken 8 zusammen. Der Betätigungsnocken 8 ist insgesamt spiralförmig gestaltet, so dass eine Drehung The locking mechanism 2, 3 is shown in Fig. 1 in the closed state. To open the locking mechanism 2, 3 operates in the embodiment and not limiting a drive unit 7, 8 on the pawl 3. The drive unit 7, 8 is composed in the example of a motor or electric motor 7 and an acted upon by the motor 7 actuating cam 8 together , The actuating cam 8 is designed as a whole spiral, so that a rotation
um eine zugehörige Achse 9 mit Hilfe des Elektromotors 7 dazu führt, dass die Sperrklinke 3 von der Drehfalle 2 abgehoben wird. Tatsächlich stützt sich die Drehfalle 2 in dem dargestellten geschlossenen Zustand des Gesperres 2, 3 mit einer Rastkontur 10 an einer Verriegelungskontur 11 , 12 der Sperrklinke 3 ab. Bei der Rastkontur 10 handelt es sich um eine Hauptrastkontur 10 der Drehfalle 2. Darüber hinaus ist noch eine Vorrastkontur 13 an der Drehfalle 2 vorgesehen, die jedoch für die nachfolgenden Betrachtungen unwichtig ist. about an associated axis 9 by means of the electric motor 7 causes the pawl 3 is lifted from the catch 2. In fact, the rotary latch 2 is supported in the illustrated closed state of the locking mechanism 2, 3 with a latching contour 10 on a locking contour 11, 12 of the pawl 3 from. The latching contour 10 is a main latching contour 10 of the rotary latch 2. In addition, a latching contour 13 is still provided on the rotary latch 2, which, however, is unimportant for the following considerations.
In dem in der Fig. 1 dargestellten geschlossenen Zustand des Gesperres 2, 3 liegt die Sperrklinke 3 mit ihrer Verriegelungskontur 11 , 12 an der Rastkontur bzw. Hauptrastkontur 10 der Drehfalle 2 an. Tatsächlich stützt sich die Drehfalle 2 mit der betreffenden Rastkontur 10 an der Verriegelungskontur 11 , 12 der Drehfalle 3 ab. Sobald die Sperrklinke 3 mit Hilfe der Antriebseinheit 7, 8 von der Drehfalle 2 angehoben wird, öffnet sich die Drehfalle 2 federunterstützt. Bei diesem Vorgang wird die Drehfalle 2 durch Federkraft um ihre Drehachse 4 im Uhrzeigersinn verschwenkt, wie ein Pfeil B in den Fig. 1 und 2 andeutet. In the closed state of the locking mechanism 2, 3 shown in FIG. 1, the locking pawl 3 bears with its locking contour 11, 12 against the latching contour or main locking contour 10 of the rotary latch 2. In fact, the rotary latch 2 is supported by the relevant locking contour 10 on the locking contour 11, 12 of the rotary latch 3. Once the pawl 3 is raised by means of the drive unit 7, 8 of the catch 2, the catch 2 opens spring-assisted. In this process, the rotary latch 2 is pivoted by spring force about its axis of rotation 4 in a clockwise direction, as an arrow B in Figs. 1 and 2 indicates.
Zum Ausheben bewegt sich die Sperrklinke 3 um ihre Drehachse 5 ebenfalls im Uhrzeigersinn. Hierzu korrespondiert eine Ausheberichtung A. Sobald die Drehfalle 2 ihre geöffnete Position erreicht, wird der Schließbolzen 6 nicht mehr festgehalten und kann in der in Fig. 2 gezeigten Pfeilrichtung bewegt werden bzw. lässt sich das Gesperre 2, 3 und mit ihm das zugehörige Kraftfahrzeugtür- schloss von dem Schließbolzen 6 entfernen. Aus diesem Grund ist in der Fig. 1 ein Doppelpfeil gezeichnet, welcher zur Öffnung der nicht dargestellten Heck- klappe korrespondiert. Die Heckklappe nimmt in ihrem Innern das Gesperre 2, 3 bzw. das Kraftfahrzeuge rschloss auf, wohingegen der Schließbolzen 6 ortsfest an der Laderaumkante im Beispielfall verbleibt. To lift the pawl 3 moves about its axis of rotation 5 also in a clockwise direction. As soon as the catch 2 reaches its open position, the locking pin 6 is no longer held and can be moved in the direction of the arrow shown in FIG. 2 or can the locking mechanism 2, 3 and with it the associated motor vehicle door remove the lock bolt 6. For this reason, a double arrow is drawn in FIG. 1, which corresponds to the opening of the tailgate, not shown. The tailgate takes in its interior the locking mechanism 2, 3 or the motor vehicle unlocked, whereas the locking pin 6 remains stationary on the loading space edge in the example case.
Die Verriegelungskontur 11 , 12 der Sperrklinke 3 ist erfindungsgemäß zweiteilig ausgebildet und setzt sich aus einer Haltekontur 11 und einer Abrollkontur 12 The locking contour 11, 12 of the pawl 3 is inventively formed in two parts and consists of a retaining contour 11 and a rolling contour 12th
zusammen. Die Haltekontur 11 wechselwirkt überwiegend in geschlossenem Zustand des Gesperres 2, 3 mit der Rastkontur bzw. Hauptrastkontur 10 der Drehfalle 2. Tatsächlich stützt sich die Drehfalle 2 in dem geschlossenen Zustand des Gesperres 2, 3 an eben dieser Haltekontur 11 der Sperrklinke 3 ab (vgl. Fig. 2). together. The retaining contour 11 interacts predominantly in the closed state of the locking mechanism 2, 3 with the locking contour or main locking contour 10 of the rotary latch 2. Actually, the rotary latch 2 is supported in the closed state of the locking mechanism 2, 3 at precisely this retaining contour 11 of the locking pawl 3 (see Fig. 2).
Wird jedoch die Sperrklinke 3 in der Ausheberichtung A von der Antriebseinheit 7, 8 beaufschlagt und dadurch der Öffnungsvorgang der Drehfalle 2 initiiert, findet eine Wechselwirkung zwischen der Abrollkontur 12 und der Rastkontur 10 statt. Das heißt, die Abrollkontur 12 der Sperrklinke 3 wälzt sich über den geschlossenen Zustand des Gesperres 2, 3 hinausgehend beim Öffnungsvorgang der Drehfalle 2 an der Rastkontur 10 ab. Auf diese Weise wird die Drehfalle 2 praktisch geräuschlos von der Abrollkontur 12 abgehoben. Um dies im Detail zu erreichen, sind die Haltekontur 11 und die Abrollkontur 12 zunächst einmal an einem drehfallenseitigen Ende der Sperrklinke 3 angeordnet und schließen aneinander an. Diesem drehfallenseitigen Ende der Sperrklinke 3 liegt das drehachsenseitige Ende der Sperrklinke 3 gegenüber, an welchem sich die Drehachse 5 der Sperrklinke 3 findet. Tatsächlich ist die Haltekontur 11 an die Abrollkontur 12 in der Ausheberichtung A der Sperrklinke 3 angeschlossen. Außerdem erkennt man anhand der vergrößerten Darstellung in Fig. 2, dass die Abrollkontur 12 in der betreffenden Ausheberichtung A der Sperrklinke 3 die Haltekontur 11 wenigstens teilweise radial überragt. An dieser Stelle wird beobachtet, dass die Abrollkontur 12 die Haltekontur 11 in der Aus- heberichtung A der Sperrklinke 3 zunehmend bzw. progressiv radial überragt. Das heißt, mit zunehmendem Winkel der Schwenkbewegung der Sperrklinke 3 um ihre Drehachse 5 in der Ausheberichtung A wird auch der Abstand zwischen der Abrollkontur 12 und der Haltekontur 11 größer. Das wird deutlich anhand der jeweiligen Konturen 11 , 12 bzw. ihrer gestrichelt dargestellten Fortsätze. However, if the pawl 3 is acted upon in the lifting direction A by the drive unit 7, 8 and thereby initiates the opening process of the rotary latch 2, an interaction between the rolling contour 12 and the locking contour 10 takes place. That is, the rolling contour 12 of the pawl 3 rolls over the closed state of the locking mechanism 2, 3 beyond the opening process of the rotary latch 2 on the locking contour 10 from. In this way, the catch 2 is lifted virtually noiseless from the rolling contour 12. To achieve this in detail, the retaining contour 11 and the rolling contour 12 are first arranged once at a rotary latch end of the pawl 3 and close to each other. This rotary latch-side end of the pawl 3 is the axis of rotation-side end of the pawl 3 opposite, on which the axis of rotation 5 of the pawl 3 is found. In fact, the retaining contour 11 is connected to the rolling contour 12 in the lifting direction A of the pawl 3. In addition, it can be seen on the basis of the enlarged view in Fig. 2 that the rolling contour 12 in the respective Ausheberichtung A of the pawl 3, the retaining contour 11 at least partially surmounted radially. At this point, it is observed that the rolling contour 12 projects progressively or progressively radially beyond the retaining contour 11 in the release direction A of the pawl 3. That is, with increasing angle of the pivotal movement of the pawl 3 about its axis of rotation 5 in the Ausheberichtung A and the distance between the rolling contour 12 and the retaining contour 11 is larger. This becomes clear on the basis of the respective contours 11, 12 or their extensions shown in dashed lines.
Die Abrollkontur 12 überlappt in der Ausheberichtung A der Sperrklinke 3 mit der Drehfalle 2 in deren geschlossenem Zustand zumindest teilweise. Tatsächlich beobachtet man an dieser Stelle einen Überlappbereich 14, der in der Fig. 2 schraffiert dargestellt ist. Dabei sind die Abrollkontur 12 ebenso wie die Haltekontur 1 1 jeweils als Kreisbögen ausgebildet. Zu den Kreisbögen korrespondieren Radien n , Γ2 und zugehörige Mittelpunkte Μ-ι , M2. The rolling contour 12 overlaps in the Ausheberichtung A of the pawl 3 with the catch 2 in the closed state at least partially. In fact, an overlap region 14, which is shown hatched in FIG. 2, is observed at this point. The rolling contour 12 as well as the holding contour 1 1 are each formed as circular arcs. Radii n, Γ2 and associated centers Μ-ι, M2 correspond to the circular arcs.
Der Radius n gehört zur Haltekontur 1 1 und geht vom zugehörigen Mittelpunkt der Haltekontur 1 1 aus. Der Radius r2 korrespondiert zur Abrollkontur 12 und ist um den zugehörigen Mittelpunkt M2 geschlagen. Dabei ist die Auslegung insgesamt so getroffen, dass die jeweiligen Kreisbögen bzw. Konturen 1 1 , 12 mit unterschiedlichen Radien n , r2 und auch verschiedenen Mittelpunkten Mi , M2 jeweils ausgerüstet sind. Außerdem übersteigt der Radius r2 der Abrollkontur 12 den zugehörigen Radius n der Haltekontur 1 1 . Auf diese Weise wird die Verriegelungskontur 1 1 , 12 an der Sperrklinke 3 insgesamt so gestaltet und ausgelegt, dass die Verriegelungskontur 1 1 , 12 beim Ausheben der Sperrklinke 3 und folglich der Öffnungsbewegung der Drehfalle 2 der zugehörigen Rastkontur 10 an der Drehfalle 2 gleichsam nacheilt oder nachläuft. The radius n belongs to the retaining contour 1 1 and starts from the associated center of the retaining contour 1 1. The radius r 2 corresponds to the rolling contour 12 and is struck around the associated center M 2 . The overall design is such that the respective circular arcs or contours 1 1, 12 are equipped with different radii n, r 2 and also different centers Mi, M 2 respectively. In addition, the radius r 2 of the rolling contour 12 exceeds the associated radius n of the retaining contour 1 1. In this way, the locking contour 1 1, 12 on the pawl 3 in total designed and designed so that the locking contour 1 1, 12 latches the pawl 3 and consequently the opening movement of the rotary latch 2 of the associated locking contour 10 on the catch 2 as it were or lags.
Hierzu trägt ergänzend der Umstand bei, dass der Mittelpunkt Mi der Haltekontur 1 1 bzw. des zugehörigen Kreisbogens mit dem Radius n unterhalb der Drehachse 5 der Sperrklinke 3 angeordnet ist. Demgegenüber findet sich der Mittelpunkt M2 der Abrollkontur mit dem Radius r2 oberhalb der fraglichen Dreh- achse 5. Die beiden Mittelpunkte Mi , M2 und die Drehachse 5 sind insgesamt auf einer gemeinsamen Verbindungsstrecke angeordnet, wie die Fig. 2 strichpunktiert andeutet. Das ist selbstverständlich ebenso wie die Anordnung der Mittelpunkte Mi , M2 im Vergleich zur Drehachse 5 nur beispielhaft und nicht einschränkend zu verstehen. The fact that the center Mi of the retaining contour 1 1 or of the associated circular arc with the radius n is arranged below the rotational axis 5 of the pawl 3 additionally contributes to this. On the other hand, the center M 2 of the rolling contour with the radius r 2 is located above the axis of rotation 5 in question. The two centers Mi, M 2 and the axis of rotation 5 are arranged in total on a common connecting path, as indicated by dash-dotted lines in FIG. This, of course, as well as the arrangement of the centers Mi, M 2 compared to the axis of rotation 5 only by way of example and not restrictive to understand.
Sobald die Sperrklinke 3 von der Drehfalle 2 abgehoben wird, entfernt sich die Rastkontur 10 der Drehfalle 2 von der Haltekontur 11 der Sperrklinke 3. Da jedoch die Abrollkontur 12 der Sperrklinke 3 an die Haltekontur 11 anschließt und mit dem bereits beschriebenen progressiv ansteigenden Radialabstand im Vergleich zur Haltekontur 11 ausgelegt ist, kann die Abrollkontur 12 der Sperrklinke 3 der Rastkontur 10 an der Drehfalle 2 gleichsam bei diesem Öffnungsvorgang nachfolgen. Das heißt, die um die Drehachse 5 in der Ausheberichtung A schwenkende Sperrklinke 3 und die federunterstützt im Uhrzeigersinn um ihre Drehachse 4 verschwenkende Drehfalle 2 gleiten unverändert aneinander entlang, indem nun die Abrollkontur 12 mit der Rastkontur 10 und gegebenenfalls einem Schenkel 15 der Drehfalle 2 wechselwirkt. Am Ende dieser gleitenden Wechselwirkung entfernen sich die Drehfalle 2 und die Sperrklinke 3 mit langsam ansteigendem Abstand voneinander, so dass mit diesem Trennvor- gang praktisch keine störende Geräuschentwicklung verbunden ist. Once the pawl 3 is lifted from the catch 2, the detent contour 10 of the catch 2 moves away from the retaining contour 11 of the pawl 3. However, since the rolling contour 12 of the pawl 3 connects to the retaining contour 11 and with the already described progressively increasing radial distance in comparison is designed for holding contour 11, the rolling contour 12 of the pawl 3 of the locking contour 10 on the catch 2 as it follows in this opening process. That is, the pivoting about the axis of rotation 5 in the Ausheberichtung A pawl 3 and the spring-assisted clockwise pivoting about its axis 4 rotary latch 2 slide along along unchanged by now the rolling contour 12 interacts with the locking contour 10 and optionally a leg 15 of the rotary latch 2 , At the end of this sliding interaction, the rotary latch 2 and the pawl 3 move away from each other at a slowly increasing distance, so that practically no disturbing noise is associated with this separation process.

Claims

Patentansprüche: claims:
1. Kraftfahrzeugtürverschluss, mit einem Gesperre (2, 3) aus Drehfalle (2) und Sperrklinke (3), wobei die Sperrklinke (3) in geschlossenem Zustand des Gesperres (2, 3) mit ihrer Verriegelungskontur (11 , 12) an einer Rastkontur (10, 13) der Drehfalle (2) anliegt, d a d u r c h g e k e n n z e i c h n e t, dass die Verriegelungskontur (11 , 12) zweiteilig mit Haltekontur (11) und Abrollkontur (12) ausgebildet ist, wobei die Haltekontur (11) überwiegend in geschlossenem Zustand des Gesperres (2, 3) mit der Rastkontur (10, 13) wechselwirkt, wohingegen sich die Abrollkontur (12) darüber hinausgehend beim Öffnungsvorgang der Drehfalle (2) an der Rastkontur (10, 13) sowie gegebenenfalls zusätzlich an einem Schenkel (15) der Drehfalle (2) abwälzt. 1. Motor vehicle door lock, with a locking mechanism (2, 3) of rotary latch (2) and pawl (3), wherein the pawl (3) in the closed state of the locking mechanism (2, 3) with its locking contour (11, 12) on a latching contour (10, 13) of the rotary latch (2) is applied, characterized in that the locking contour (11, 12) is formed in two parts with retaining contour (11) and rolling contour (12), wherein the retaining contour (11) predominantly in the closed state of the locking mechanism (2 3) with the latching contour (10, 13) interacts, whereas the rolling contour (12) beyond the opening process of the rotary latch (2) on the latching contour (10, 13) and optionally additionally on a leg (15) of the rotary latch (2 ) rolls.
2. Kraftfahrzeugtürverschluss nach Anspruch 1 , dadurch gekennzeichnet, dass die Haltekontur (11) an die Abrollkontur (12) und am drehfallenseitigen Ende der Sperrklinke (3) aneinander anschließen. 2. Motor vehicle door lock according to claim 1, characterized in that the holding contour (11) to the rolling contour (12) and the rotary latch side end of the pawl (3) adjoin one another.
3. Kraftfahrzeugtürverschluss nach Anspruch 2, dadurch gekennzeichnet, dass die Abrollkontur (12) an die Haltekontur (11) in Ausheberichtung (A) der Sperrklinke (3) angeschlossen ist. 3. Motor vehicle door lock according to claim 2, characterized in that the rolling contour (12) to the holding contour (11) in Ausheberichtung (A) of the pawl (3) is connected.
4. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Abrollkontur (12) in Ausheberichtung (A) der Sperrklinke (3) die Haltekontur (11) wenigstens teilweise radial überragt. 4. Motor vehicle door lock according to one of claims 1 to 3, characterized in that the rolling contour (12) in Ausheberichtung (A) of the pawl (3), the retaining contour (11) projects beyond at least partially radially.
5. Kraftfahrzeugtürverschluss nach Anspruch 4, dadurch gekennzeichnet, dass die Abrollkontur (12) die Haltekontur (11) in der Ausheberichtung (A) der Sperrklinke (3) zunehmend bzw. progressiv radial überragt. 5. Motor vehicle door lock according to claim 4, characterized in that the rolling contour (12) projects beyond the holding contour (11) in the lifting direction (A) of the pawl (3) progressively or progressively radially.
6. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Abrollkontur (12) in Ausheberichtung (A) der Sperr- klinke (3) mit der Drehfalle (2) in deren geschlossenem Zustand zumindest teilweise überlappt (Überlappbereich 14). 6. Motor vehicle door lock according to one of claims 1 to 5, characterized in that the rolling contour (12) in the lifting direction (A) of the blocking pawl (3) with the rotary latch (2) in its closed state at least partially overlapping (overlap region 14).
7. Kraftfahrzeugtürverschluss nach Anspruch 6, dadurch gekennzeichnet, dass die Abrollkontur (12) in Ausheberichtung (A) der Sperrklinke (3) mit der Rastkontur (10, 13) sowie gegebenenfalls dem Schenkel (15) der Drehfalle (2) in deren geschlossenen Zustand überlappt. 7. Motor vehicle door lock according to claim 6, characterized in that the rolling contour (12) in Ausheberichtung (A) of the pawl (3) with the locking contour (10, 13) and optionally the leg (15) of the rotary latch (2) in its closed state overlaps.
8. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Abrollkontur (12) und die Haltekontur (11) jeweils als8. Motor vehicle door lock according to one of claims 1 to 7, characterized in that the rolling contour (12) and the retaining contour (11) in each case as
Kreisbögen ausgebildet sind. Arcs are formed.
9. Kraftfahrzeugtürverschluss nach Anspruch 8, dadurch gekennzeichnet, dass die Kreisbögen mit unterschiedlichen Radien (η, r2) und/oder Mittelpunkten (M t M2) ausgerüstet sind. 9. Motor vehicle door lock according to claim 8, characterized in that the circular arcs are equipped with different radii (η, r 2 ) and / or midpoints (M t M 2 ).
10. Kraftfahrzeugtürverschluss nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass der Radius (r2) der Abrollkontur (12) den Radius (n) der Haltekontur (11) übersteigt. 10. Motor vehicle door lock according to claim 8 or 9, characterized in that the radius (r 2 ) of the rolling contour (12) exceeds the radius (n) of the retaining contour (11).
11. Kraftfahrzeugtürverschluss nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass der Mittelpunkt (M2) der Abrollkontur (12) und der Mittelpunkt (M^ der Haltekontur (11) voneinander beabstandet sind. 11. Motor vehicle door lock according to one of claims 8 to 10, characterized in that the center (M 2 ) of the rolling contour (12) and the center (M ^ of the retaining contour (11) are spaced from each other.
12. Kraftfahrzeugtürverschluss nach Anspruch 11 , dadurch gekennzeichnet, dass der Mittelpunkt (Mi) der Haltekontur (11) unterhalb einer Drehachse (5) der Sperrklinke (3) und der Mittelpunkt (M2) der Abrollkontur (12) oberhalb der Drehachse (5), vorzugsweise auf einer gemeinsamen Verbindungsstrecke, angeordnet sind. 12. Motor vehicle door lock according to claim 11, characterized in that the center (Mi) of the holding contour (11) below a rotation axis (5) of the pawl (3) and the center (M 2 ) of the rolling contour (12) above the axis of rotation (5) , are preferably arranged on a common connection path.
13. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass der Sperrklinke (3) eine Antriebseinheit (7, 8) zu ihrem motorischen Ausheben zugeordnet ist. 13. Motor vehicle door lock according to one of claims 1 to 12, characterized in that the pawl (3) is associated with a drive unit (7, 8) for their motorized lifting.
14. Kraftfahrzeugtürverschluss nach Anspruch 13, dadurch gekennzeichnet, dass die Antriebseinheit (7, 8) mit einem Betätigungsnocken (8) auf die Sperrklinke (3) arbeitet. 14. Motor vehicle door lock according to claim 13, characterized in that the drive unit (7, 8) with an actuating cam (8) on the pawl (3) works.
EP13713075.3A 2013-01-16 2013-01-16 Motor vehicle door lock Active EP2946054B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2013/000021 WO2014111070A1 (en) 2013-01-16 2013-01-16 Motor vehicle door lock

Publications (2)

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EP2946054A1 true EP2946054A1 (en) 2015-11-25
EP2946054B1 EP2946054B1 (en) 2018-08-15

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EP13713075.3A Active EP2946054B1 (en) 2013-01-16 2013-01-16 Motor vehicle door lock

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US (1) US10138657B2 (en)
EP (1) EP2946054B1 (en)
JP (1) JP6171211B2 (en)
KR (1) KR102037563B1 (en)
CN (1) CN105008641B (en)
BR (1) BR112015016974A2 (en)
CA (1) CA2910535A1 (en)
MX (1) MX2015009113A (en)
RU (1) RU2629874C2 (en)
WO (1) WO2014111070A1 (en)

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DE102018125641A1 (en) * 2018-10-16 2020-04-16 Kiekert Aktiengesellschaft Motor vehicle lock

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Also Published As

Publication number Publication date
CN105008641A (en) 2015-10-28
CA2910535A1 (en) 2014-07-24
JP6171211B2 (en) 2017-08-02
US10138657B2 (en) 2018-11-27
KR102037563B1 (en) 2019-10-28
MX2015009113A (en) 2016-03-04
KR20150106003A (en) 2015-09-18
CN105008641B (en) 2017-07-07
EP2946054B1 (en) 2018-08-15
WO2014111070A1 (en) 2014-07-24
RU2015132607A (en) 2017-02-09
JP2016509140A (en) 2016-03-24
US20150345192A1 (en) 2015-12-03
BR112015016974A2 (en) 2017-07-11
RU2629874C2 (en) 2017-09-04

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