EP3280857B1 - Vehicle door lock - Google Patents
Vehicle door lock Download PDFInfo
- Publication number
- EP3280857B1 EP3280857B1 EP16717092.7A EP16717092A EP3280857B1 EP 3280857 B1 EP3280857 B1 EP 3280857B1 EP 16717092 A EP16717092 A EP 16717092A EP 3280857 B1 EP3280857 B1 EP 3280857B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- vehicle door
- lock
- latch
- housing
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000004873 anchoring Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
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
- E05B79/02—Mounting of vehicle locks or parts thereof
- E05B79/04—Mounting of lock casings to the vehicle, e.g. to the wing
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- 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
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- 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
- Y10T292/1044—Multiple head
- Y10T292/1045—Operating means
- Y10T292/1047—Closure
Definitions
- the invention relates to a motor vehicle door lock, with a lock case connected to a motor vehicle door and a lock housing connected to the lock case, and with a fastening element for additionally fixing the lock housing to the motor vehicle door.
- the lock case is used at least to store a locking mechanism consisting essentially of a rotary latch and a pawl.
- the motor vehicle door lock is connected to the associated motor vehicle door with the aid of the lock case.
- the lock case is usually made of metal and is mechanically connected to an end face or end face of the motor vehicle door in question. This can be done using fastening screws, which reach through the front side in question and are anchored in blind threads of the lock case.
- the end face or end face of the motor vehicle door usually connects an outer door panel to an inner door panel.
- the motor vehicle door lock By attaching the motor vehicle door lock to the end face or end face, the fastening screws for fixing it are covered.
- This also applies to a locking bolt or lock holder interacting with the locking mechanism of the motor vehicle door lock. While the motor vehicle door lock is connected to the motor vehicle door, the lock holder in question is usually located on the body, for example on a B or C pillar.
- a motor vehicle door lock which is equipped with an additional reinforcement insert.
- the reinforcement insert is a component part of the lock case and is formed from it. In this way, an operationally reliable motor vehicle door lock is to be provided, which can be manufactured with little manufacturing effort. This has basically worked.
- a subframe with integrated lock attachment for a motor vehicle door is known.
- the subframe is equipped with at least one fastening section for the motor vehicle door lock in question.
- the motor vehicle door lock is connected to the subframe via a lock retaining bracket. This is intended to optimize the attachment of the motor vehicle door lock to the unit carrier or door module carrier that can be inserted into the motor vehicle door.
- the overriding requirement is that the motor vehicle door in question can be opened unchanged and without any problems. This is the only way to easily rescue occupants who are inside and who may be injured. This presupposes that the main mechanical lock components inside the lock case and the lock housing are largely free of damage.
- the invention is based on the technical problem of further developing such a motor vehicle door lock in such a way that production and assembly can be carried out with as little effort as possible and the use of materials is reduced.
- a generic motor vehicle door lock is characterized within the scope of the invention in that the fastening element is designed as a shackle that can be detachably coupled both to the lock case and to the lock housing and that the shackle extends in its longitudinal extent to an area of the lock case fastened to the motor vehicle door close to the end face towards the edge of the lock housing.
- neither a recess or notch in the motor vehicle door is used, as is the case in the utility model forming the starting point DE 20 2010 007 352 U1 describes in one embodiment.
- a fastening element connected to the lock case is also implemented, as implemented in the practical variant.
- the amount of material used is reduced overall, because the fastening element according to the invention is not (or no longer) an integral part of the lock case.
- any "waste" in the manufacture of this integral component does not occur from the outset.
- the fastening element is a separate tab that can be releasably coupled to both the lock case and the lock housing and, of course, can also be decoupled due to the detachability.
- the amount of material used for the shackle can be significantly reduced compared to a fastening element that is integral with the lock case. Because the lock case on the one hand and the shackle on the other hand are produced separately from each other and can accordingly be their possible "waste" can be optimized. In fact, stamping/bending processes are used in both cases. The lock case as well as the fastening element or the lug are therefore each stamped/bent parts.
- both the lock case and the lock housing are designed to be structurally stable overall, even in the event of an impact.
- the lock case and the shackle may each be made of high-strength steel.
- the solution according to the invention is characterized by particularly simple assembly. This is because the lock housing and the fastening element or the shackle can be connected together with the lock case to form the completed motor vehicle door lock.
- the detachable connection of the shackle to both the lock case and the lock housing also allows for a slight compensation for play. This is where the main advantages can be seen.
- the shackle spans in its longitudinal extension a region of the lock case fastened to the motor vehicle door close to the end face up to the edge of the lock housing.
- one end of the shackle is releasably connected to the lock case, specifically to the area of the lock case fixed to the motor vehicle door near the end face.
- This area near the end face characterizes an area of the lock case which is arranged near the end face in question of the motor vehicle door. In most cases, this is the so-called locking arm of the lock case, which is connected to the end face in question via the fastening screws already mentioned.
- the shackle extends in its longitudinal extent to the edge of the lock housing. This will seen spanned the lock housing with the help of the lug over its practically entire width or height, so that the lug stiffens the lock housing in this way at the same time. Because the tab is usually connected both to the motor vehicle door and to the lock housing.
- the tab is generally designed to be rectangular.
- the shackle is advantageously plugged into the lock case with its end on the lock case side.
- the shackle may have a pin at the end in question on the lock case side.
- the pin in question engages in an associated pin receptacle on the lock case.
- This spigot can be molded into the lock case or implemented as an additional spigot on the lock case.
- the tab engages with the end in question behind a housing web, ie a web provided in or on the lock housing.
- a housing web ie a web provided in or on the lock housing.
- the web together with a further web spaced apart from it may define a pocket for engaging the end of the shackle on the lock housing side.
- the tab typically has a bevel at the end in question on the lock housing side. The bevel engages behind the housing web when the end of the bracket on the lock housing side is detachably connected to the lock housing.
- Both the pin on the lock case end and the bevel on the lock housing end of the shackle can be produced in a single operation or work process, like the shackle itself.
- the tab is a stamped/bent part that may be made of the high-strength steel already mentioned. The same steel or material is typically used to make the lock case.
- the case of the lock case is also a stamped/bent part that is easy and inexpensive to manufacture. Because the lock case is usually L-shaped.
- the L-shaped lock case is usually made up of a locking mechanism leg and a side leg.
- the ratchet leg serves to store the ratchet.
- the leg of the locking mechanism ensures that the lock case is anchored on the face of the motor vehicle door.
- the side leg mainly has a stabilizing function.
- the design 2. according to the invention 2. is such that the tab extends as an extension of the side leg and essentially perpendicularly compared to the locking leg. In this way, the side leg in question and also the tab run predominantly parallel to the inner door panel.
- the locking leg of the L-shaped lock case is connected to the end face or end face of the motor vehicle door, which runs mostly vertically.
- the shackle is connected both to the motor vehicle door and to the lock housing.
- the shackle is connected to the motor vehicle door at its end on the lock housing side.
- a center piece of the shackle is connected to the lock housing. The center piece of the shackle is located between the lock case end and the lock housing end of the shackle.
- the lock housing which is typically made of plastic and is present as a plastic injection-molded part, is additionally reinforced as desired.
- essential lock components mounted in the lock housing such as the external operating lever, whose unchanged function determines whether the motor vehicle door lock in question can still be opened after an accident. This is where the main advantages can be seen.
- a motor vehicle door lock is shown, which is evident in its basic structure 1 composed of a lock case 1 and a lock housing 2 connected thereto. While the lock case 1 is made of metal and in particular high-strength steel, the lock housing 2 is usually a molded part made of plastic, which may be produced by plastic injection molding, for example.
- the lock case 1 is demonstrably the Fig.1 and 2 L-shaped.
- the lock case 1 is composed of a locking mechanism leg 1a and a side leg 1b.
- the Gesperreschenkel 1a is used to store one in the 2 indicated locking mechanism 3, 4, which consists essentially of a rotary latch 3 and a pawl 4 cooperating therewith.
- the lock case 1 or its gas lock arm 1a for mounting the locking mechanism 3, 4 is connected to an end face 5 of a motor vehicle door 5, 6, 7 or anchored to this end face 5.
- the motor vehicle door in question is 5, 6, 7 according to the 1 composed of an outer panel 6 and an inner panel 7 spaced therefrom.
- the outer sheet metal 6 and the inner sheet metal 7 are separated from one another by the end face or end face 5 which, in comparison thereto, runs mostly vertically.
- the end face or end face 5 is located in a recess 8 in the 1 indicated motor vehicle body and is therefore not visible.
- the recess 8 is a door opening 8.
- a lock holder 10 On the edge of the door opening 8 on a B-pillar 9 there, a lock holder 10, which is only indicated, is anchored to the motor vehicle body.
- the lock holder 10 interacts with the help of its locking bolt Locking mechanism 3, 4 of the motor vehicle door lock in order to keep the motor vehicle door 5, 6, 7 in the closed state.
- a fastening element 11 is also provided and implemented.
- the lock housing 2 is additionally fixed to the motor vehicle door 5, 6, 7.
- the fastening element 11 is a shackle 11 which is designed and implemented independently of the lock case 1 and the lock housing 2 .
- the shackle 11 is detachably coupled or can be coupled to both the lock case 1 and the lock housing 2 .
- the tab in question 11 spans in its in the 2 shown longitudinal extension a region of the lock case 1 fixed to the motor vehicle door 5, 6, 7 close to the end face up to the lock housing 2.
- the lug 11 has a pin 11a at its end on the lock case side and is with this pin 11a in the lock case 1, in the Embodiment the locking leg 1a, inserted.
- the lock case 1 may have a corresponding and in the 2 indicated pin receptacle 12 have.
- the pin receptacle 12 can be formed in or on the lock case 1, more precisely in or on the locking mechanism leg 1a. However, it is also possible to work with a pin receptacle 12 connected to the lock case 1 .
- the tab 11 which is rectangular in design in the exemplary embodiment, consequently extends from the area near the front face of the lock case 1 fixed to the motor vehicle door 5, 6, 7 and the pin 11a there up to its lock housing-side end with the bevel 11b. That is, the tab 11 spans the lock housing 2 substantially in terms of its entire width or height, as shown in FIG 2 is shown. As a result, the lock housing 2 is reinforced with the help of the lug 11, particularly in the event of an accident.
- the tab 11 with the pin 11a is first inserted into the lock case 1a or the pin receptacle 12 in a detachable manner.
- the lock housing 2 is then connected to the lock case 1.
- the chamfer in question may 11b at the same time in the Figures 3 and 4 indicated bag 19 engage in the lock housing 2.
- the tab 11 is generally firmly connected to the lock housing 2 with the aid of the pins 17 .
- the lock case is first screwed to the end face or end face 5.
- the fastening leg 11 is connected to the inner door panel 7 in that the screw 15 engages in the associated opening 14 in the bracket 11 .
- the seal 18 surrounding the lock housing 2 also ensures that the Figures 3 and 4 In particular, the intermediate space between the lock housing 2 and the inner door panel 7 in question is sealed towards the outside.
- the tab 11 extends as an extension of the side leg 1b of the lock case 1 .
- the tab 11 is substantially perpendicular to the ratchet leg 1a. As a result, the tab 11 follows the greatest expansion of the lock housing 2 and can stiffen it optimally.
Landscapes
- Lock And Its Accessories (AREA)
Description
Die Erfindung betrifft ein Kraftfahrzeugtürschloss, mit einem an eine Kraftfahrzeugtür angeschlossenen Schlosskasten sowie einem mit dem Schlosskasten verbundenen Schlossgehäuse, und mit einem Befestigungselement zur zusätzlichen Festlegung des Schlossgehäuses an der Kraftfahrzeugtür.The invention relates to a motor vehicle door lock, with a lock case connected to a motor vehicle door and a lock housing connected to the lock case, and with a fastening element for additionally fixing the lock housing to the motor vehicle door.
Im Allgemeinen dient der Schlosskasten zumindest zur Lagerung eines Gesperres aus im Wesentlichen Drehfalle und Sperrklinke. Außerdem wird mit Hilfe des Schlosskastens das Kraftfahrzeugtürschloss an die zugehörige Kraftfahrzeugtür angeschlossen. Dazu ist der Schlosskasten im Regelfall aus Metall gefertigt und wird mit einer Stirnfläche respektive Stirnseite der fraglichen Kraftfahrzeugtür mechanisch verbunden. Das kann über Befestigungsschrauben erfolgen, welche die fragliche Stirnseite durchgreifen und in Sack-Gewinden des Schlosskastens verankert werden.In general, the lock case is used at least to store a locking mechanism consisting essentially of a rotary latch and a pawl. In addition, the motor vehicle door lock is connected to the associated motor vehicle door with the aid of the lock case. For this purpose, the lock case is usually made of metal and is mechanically connected to an end face or end face of the motor vehicle door in question. This can be done using fastening screws, which reach through the front side in question and are anchored in blind threads of the lock case.
Die Stirnseite bzw. Stirnfläche der Kraftfahrzeugtür verbindet im Regelfall ein Türaußenblech mit einem Türinnenblech. Durch die Anbringung des Kraftfahrzeugtürschlosses an der Stirnseite bzw. Stirnfläche sind die Befestigungsschrauben zu seiner Festlegung verdeckt. Das gilt auch für einen mit dem Gesperre des Kraftfahrzeugtürschlosses wechselwirkenden Schließbolzen respektive Schlosshalter. Während das Kraftfahrzeugtürschloss an die Kraftfahrzeugtür angeschlossen ist, befindet sich der betreffende Schlosshalter in der Regel an der Karosserie, beispielsweise an einer B- oder C-Säule.The end face or end face of the motor vehicle door usually connects an outer door panel to an inner door panel. By attaching the motor vehicle door lock to the end face or end face, the fastening screws for fixing it are covered. This also applies to a locking bolt or lock holder interacting with the locking mechanism of the motor vehicle door lock. While the motor vehicle door lock is connected to the motor vehicle door, the lock holder in question is usually located on the body, for example on a B or C pillar.
Aus dem Stand der Technik beispielsweise entsprechend der
Daneben ist durch die
Im gattungsbildenden Stand der Technik nach der
Denn im Falle eines Aufpralls steht über allem die Forderung im Raum, dass die fragliche Kraftfahrzeugtür unverändert und problemlos geöffnet werden kann. Nur dadurch lassen sich im Innern befindliche und möglicherweise verletzte Insassen problemlos bergen. Das setzt eine weitgehende Beschädigungsfreiheit der wesentlichen mechanischen Schlossbestandteile im Innern des Schlosskastens sowie des Schlossgehäuses voraus.Because in the event of an impact, the overriding requirement is that the motor vehicle door in question can be opened unchanged and without any problems. This is the only way to easily rescue occupants who are inside and who may be injured. This presupposes that the main mechanical lock components inside the lock case and the lock housing are largely free of damage.
Die bekannten Maßnahmen zur zusätzlichen Festlegung des Schlossgehäuses an der Kraftfahrzeugtür nach der Lehre der
Der Erfindung liegt das technische Problem zugrunde, ein derartiges Kraftfahrzeugtürschloss so weiter zu entwickeln, dass die Herstellung und Montage mit möglichst geringem Aufwand gelingen und der Materialeinsatz reduziert ist.The invention is based on the technical problem of further developing such a motor vehicle door lock in such a way that production and assembly can be carried out with as little effort as possible and the use of materials is reduced.
Zur Lösung dieser technischen Problemstellung ist ein gattungsgemäßes Kraftfahrzeugtürschloss im Rahmen der Erfindung dadurch gekennzeichnet, dass das Befestigungselement als lösbar sowohl mit dem Schlosskasten als auch dem Schlossgehäuse koppelbare Lasche ausgebildet ist und dass die Lasche in ihrer Längserstreckung einen stirnflächennahen Bereich des an der Kraftfahrzeugtür festgelegten Schlosskastens bis hin zum Rand des Schlossgehäuses überspannt.To solve this technical problem, a generic motor vehicle door lock is characterized within the scope of the invention in that the fastening element is designed as a shackle that can be detachably coupled both to the lock case and to the lock housing and that the shackle extends in its longitudinal extent to an area of the lock case fastened to the motor vehicle door close to the end face towards the edge of the lock housing.
Im Rahmen der Erfindung kommt also weder eine Ausnehmung bzw. Ausklinkung in der Kraftfahrzeugtür zum Einsatz, wie dies das den Ausgangspunkt bildende Gebrauchsmuster
Vielmehr handelt es sich bei dem Befestigungselement um eine separate Lasche, die lösbar sowohl mit dem Schlosskasten als auch dem Schlossgehäuse gekoppelt und aufgrund der Lösbarkeit selbstverständlich auch entkoppelt werden kann. Dadurch ergeben sich zusätzliche Montagevorteile. Außerdem lässt sich der Materialeinsatz für die Lasche im Vergleich zu einem mit dem Schlosskasten integralen Befestigungselement deutlich reduzieren. Denn der Schlosskasten einerseits und die Lasche andererseits werden getrennt voneinander produziert und können dementsprechend hinsichtlich ihres etwaigen "Verschnittes" optimiert werden. Tatsächlich kommen in beiden Fällen Stanz-/Biegeprozesse zum Einsatz. Es handelt sich also sowohl bei dem Schlosskasten als auch dem Befestigungselement bzw. der Lasche jeweils um Stanz-/Biegeteile.Rather, the fastening element is a separate tab that can be releasably coupled to both the lock case and the lock housing and, of course, can also be decoupled due to the detachability. This results in additional assembly advantages. In addition, the amount of material used for the shackle can be significantly reduced compared to a fastening element that is integral with the lock case. Because the lock case on the one hand and the shackle on the other hand are produced separately from each other and can accordingly be their possible "waste" can be optimized. In fact, stamping/bending processes are used in both cases. The lock case as well as the fastening element or the lug are therefore each stamped/bent parts.
Gleichwohl werden vergleichbare Festigkeiten wie beim Stand der Technik beobachtet und sichergestellt, dass sowohl der Schlosskasten als auch das Schlossgehäuse insgesamt strukturstabil ausgelegt sind, und zwar selbst bei einem Aufprall. Dazu mögen der Schlosskasten und auch die Lasche jeweils aus hochfestem Stahl gefertigt werden.Nevertheless, comparable strengths as in the prior art are observed and it is ensured that both the lock case and the lock housing are designed to be structurally stable overall, even in the event of an impact. In addition, the lock case and the shackle may each be made of high-strength steel.
Schließlich zeichnet sich die erfindungsgemäße Lösung durch eine besonders einfache Montage aus. Denn das Schlossgehäuse und das Befestigungselement bzw. die Lasche können gemeinsam mit dem Schlosskasten zu dem komplettierten Kraftfahrzeugtürschloss verbunden werden. Dabei ermöglicht der lösbare Anschluss der Lasche sowohl an den Schlosskasten als auch an das Schlossgehäuse zusätzlich einen geringfügigen Spielausgleich. Hierin sind die wesentlichen Vorteile zu sehen.Finally, the solution according to the invention is characterized by particularly simple assembly. This is because the lock housing and the fastening element or the shackle can be connected together with the lock case to form the completed motor vehicle door lock. The detachable connection of the shackle to both the lock case and the lock housing also allows for a slight compensation for play. This is where the main advantages can be seen.
Erfindungsgemäß überspannt die Lasche in ihrer Längserstreckung einen stirnflächennahen Bereich des an der Kraftfahrzeugtür festgelegten Schlosskastens bis hin zum Rand des Schlossgehäuses. D. h., die Lasche ist mit ihrem einen Ende lösbar an den Schlosskasten angeschlossen, und zwar an den stirnflächennahen Bereich des an der Kraftfahrzeugtür festgelegten Schlosskastens. Dieser stirnflächennahe Bereich kennzeichnet einen Bereich des Schlosskastens, welcher nahe der fraglichen Stirnfläche der Kraftfahrzeugtür angeordnet ist. Meistens handelt es sich hierbei um den sogenannten Gesperreschenkel des Schlosskastens, welcher an die fragliche Stirnfläche über die bereits angesprochenen Befestigungsschrauben angeschlossen ist.According to the invention, the shackle spans in its longitudinal extension a region of the lock case fastened to the motor vehicle door close to the end face up to the edge of the lock housing. In other words, one end of the shackle is releasably connected to the lock case, specifically to the area of the lock case fixed to the motor vehicle door near the end face. This area near the end face characterizes an area of the lock case which is arranged near the end face in question of the motor vehicle door. In most cases, this is the so-called locking arm of the lock case, which is connected to the end face in question via the fastening screws already mentioned.
Von diesem stirnflächennahen Bereich des Schlosskastens reicht die Lasche in ihrer Längserstreckung bis hin zum Rand des Schlossgehäuses. Dadurch wird das Schlossgehäuse mit Hilfe der Lasche über seine praktisch gesamte Breite oder Höhe gesehen überspannt, so dass die Lasche zugleich das Schlossgehäuse auf diese Weise versteift. Denn die Lasche ist meistens sowohl an die Kraftfahrzeugtür als auch an das Schlossgehäuse angeschlossen.From this area of the lock case close to the end face, the shackle extends in its longitudinal extent to the edge of the lock housing. This will seen spanned the lock housing with the help of the lug over its practically entire width or height, so that the lug stiffens the lock housing in this way at the same time. Because the tab is usually connected both to the motor vehicle door and to the lock housing.
Durch diese Versteifung des Schlossgehäuses mit Hilfe der Lasche wird die Strukturstabilität des Kraftfahrzeugtürschlosses gewährleistet, und zwar auch im Falle eines Aufpralls. Das gilt insbesondere für einen Frontalaufprall, aber auch im Falle eines Seitenaufpralls. In jedem Fall sorgt die Lasche dafür, dass wesentliche und typischerweise im Schlossgehäuse gelagerte Schlossbestandteile, wie beispielsweise ein Außenbetätigungshebel, ihre Position im Vergleich zum im Schlosskasten gelagerten Gesperre nicht oder nur geringfügig ändern, so dass das fragliche Kraftfahrzeugtürschloss selbst nach einem solchen Aufprall mechanisch geöffnet werden kann, um die Insassen zu befreien. Die Funktion des Gesperres aus im Wesentlichen Drehfalle und Sperrklinke ist ohnehin und nach wie vor gegeben, weil das Gesperre in dem massiven Schlosskasten gelagert ist.This stiffening of the lock housing with the help of the strap ensures the structural stability of the motor vehicle door lock, even in the event of an impact. This applies in particular to a frontal impact, but also in the event of a side impact. In any case, the shackle ensures that essential lock components that are typically mounted in the lock housing, such as an external operating lever, do not or only slightly change their position compared to the locking mechanism mounted in the lock case, so that the motor vehicle door lock in question can be opened mechanically even after such an impact can to free the inmates. The function of the locking mechanism consisting essentially of a rotary latch and a pawl is given anyway and still is, because the locking mechanism is mounted in the massive lock case.
Aus Gründen einer einfachen und kostengünstigen Fertigung wird man die Lasche im Regelfall rechteckförmig auslegen. Außerdem ist die Lasche vorteilhaft mit ihrem schlosskastenseitigen Ende in den Schlosskasten eingesteckt. Zu diesem Zweck mag die Lasche am fraglichen schlosskastenseitigen Ende einen Zapfen aufweisen. Für die lösbare Verbindung der Lasche mit dem Schlosskasten greift der fragliche Zapfen in eine zugehörige Zapfenaufnahme am Schlosskasten ein. Diese Zapfenaufnahme kann in den Schlosskasten eingeformt sein oder als zusätzliche Zapfenaufnahme am Schlosskasten realisiert werden.For reasons of simple and cost-effective production, the tab is generally designed to be rectangular. In addition, the shackle is advantageously plugged into the lock case with its end on the lock case side. For this purpose, the shackle may have a pin at the end in question on the lock case side. For the detachable connection of the shackle to the lock case, the pin in question engages in an associated pin receptacle on the lock case. This spigot can be molded into the lock case or implemented as an additional spigot on the lock case.
An ihrem schlossgehäuseseitigen Ende hintergreift die Lasche dagegen mit dem fraglichen Ende einen Gehäusesteg, d. h. einen im oder am Schlossgehäuse vorgesehenen Steg. Generell mag der Steg zusammen mit einem weiteren und hiervon beabstandeten Steg insgesamt eine Tasche zum Eingriff des schlossgehäuseseitigen Endes der Lasche definieren. Zu diesem Zweck weist die Lasche an dem fraglichen schlossgehäuseseitigen Ende typischerweise eine Abkantung auf. Die Abkantung hintergreift den Gehäusesteg bei der lösbaren Verbindung des schlossgehäusseitigen Endes der Lasche mit dem Schlossgehäuse.On the other hand, at its end on the lock housing side, the tab engages with the end in question behind a housing web, ie a web provided in or on the lock housing. In general, the web together with a further web spaced apart from it may define a pocket for engaging the end of the shackle on the lock housing side. To this end the tab typically has a bevel at the end in question on the lock housing side. The bevel engages behind the housing web when the end of the bracket on the lock housing side is detachably connected to the lock housing.
Sowohl der Zapfen am schlosskastenseitigen Ende als auch die Abkantung am schlossgehäuseseitigen Ende der Lasche lassen sich insgesamt - wie die Lasche selbst - in einem einzigen Arbeitsgang bzw. Arbeitsprozess herstellen. Tatsächlich handelt es sich bei der Lasche um ein Stanz-/Biegeteil, welches aus dem bereits zuvor angesprochenen hochfesten Stahl gefertigt sein mag. Der gleiche Stahl oder Werkstoff wird typischerweise auch zur Realisierung des Schlosskastens eingesetzt. Auch im Falle des Schlosskastens handelt es sich um ein einfach und preisgünstig zu fertigendes Stanz-/Biegeteil. Denn der Schlosskasten ist üblicherweise L-förmig ausgebildet.Both the pin on the lock case end and the bevel on the lock housing end of the shackle can be produced in a single operation or work process, like the shackle itself. In fact, the tab is a stamped/bent part that may be made of the high-strength steel already mentioned. The same steel or material is typically used to make the lock case. The case of the lock case is also a stamped/bent part that is easy and inexpensive to manufacture. Because the lock case is usually L-shaped.
Tatsächlich setzt sich der L-förmige Schlosskasten im Regelfall aus einem Gesperreschenkel und einem Seitenschenkel zusammen. Der Gesperreschenkel dient zur Lagerung des Gesperres. Außerdem sorgt der Gesperreschenkel für die Verankerung des Schlosskastens an der Stirnfläche der Kraftfahrzeugtür. Dem Seitenschenkel kommt demgegenüber hauptsächlich stabilisierende Funktion zu. Außerdem ist die Auslegung 2. erfindungsgemäß 2. so getroffen, dass sich die Lasche in Verlängerung des Seitenschenkels und im Wesentlichen senkrecht im Vergleich zum Gesperreschenkel erstreckt. Auf diese Weise verlaufen der fragliche Seitenschenkel und ebenso die Lasche überwiegend parallel zum Türinnenblech. Dagegen ist der Gesperreschenkel des L-förmigen Schlosskastens an die demgegenüber größtenteils senkrecht verlaufende Stirnfläche bzw. Stirnseite der Kraftfahrzeugtür angeschlossen.In fact, the L-shaped lock case is usually made up of a locking mechanism leg and a side leg. The ratchet leg serves to store the ratchet. In addition, the leg of the locking mechanism ensures that the lock case is anchored on the face of the motor vehicle door. In contrast, the side leg mainly has a stabilizing function. In addition, the
Wie bereits erläutert, ist die Lasche sowohl an die Kraftfahrzeugtür als auch an das Schlossgehäuse angeschlossen. Tatsächlich ist die Lasche an ihrem schlossgehäuseseitigen Ende an die Kraftfahrzeugtür angeschlossen. Demgegenüber ist ein Mittelstück der Lasche mit dem Schlossgehäuse verbunden. Das Mittelstück der Lasche findet sich zwischen dem schlosskastenseitigen und dem schlossgehäuseseitigen Ende der Lasche.As already explained, the shackle is connected both to the motor vehicle door and to the lock housing. In fact, the shackle is connected to the motor vehicle door at its end on the lock housing side. In contrast, a center piece of the shackle is connected to the lock housing. The center piece of the shackle is located between the lock case end and the lock housing end of the shackle.
Während der Anschluss der Lasche an die Kraftfahrzeugtür mit Hilfe zumindest einer Befestigungsschraube erfolgt oder erfolgen kann, die in ein Gewinde in der Lasche eingreift, erfolgt die Kopplung der Lasche mit dem Schlossgehäuse typischerweise derart, dass zu diesem Zweck Verbindungsstifte vorgesehen sind. Selbstverständlich können an dieser Stelle auch jedwede andere Verbindungselemente zum Einsatz kommen. Entscheidend ist einzig und allein, dass die Lasche praktisch der Breiten- bzw. Höhenausdehnung des Schlossgehäuses folgt, weil sie sich in Verlängerung des Seitenschenkels und im Wesentlichen senkrecht zum Gesperreschenkel erstreckt. Außerdem ist die Lasche einerseits an den Schlosskasten und andererseits das Schlossgehäuse lösbar angeschlossen. Ferner erfährt die Lasche eine zusätzliche Verankerung an der Kraftfahrzeugtür, und zwar mit ihrem schlossgehäuseseitigen Ende.While the shackle is or can be connected to the motor vehicle door using at least one fastening screw which engages in a thread in the shackle, the shackle is typically coupled to the lock housing in such a way that connecting pins are provided for this purpose. Of course, any other connecting elements can also be used at this point. The sole decisive factor is that the shackle practically follows the width or height of the lock housing, because it extends as an extension of the side leg and essentially perpendicular to the locking leg. In addition, the tab is releasably connected to the lock case on the one hand and to the lock housing on the other hand. Furthermore, the tab is additionally anchored to the motor vehicle door, specifically with its end on the lock housing side.
Dadurch wird das Schlossgehäuse, welches typischerweise aus Kunststoff hergestellt ist und als Kunststoffspritzgussteil vorliegt, zusätzlich und wunschgemäß versteift. Das gilt insbesondere im Hinblick auf im Schlossgehäuse gelagerte wesentliche Schlossbestandteile wie den Außenbetätigungshebel, von dessen unveränderter Funktion es abhängt, ob das fragliche Kraftfahrzeugtürschloss auch nach einem Unfall nach wie vor geöffnet werden kann. Hierin sind die wesentlichen Vorteile zu sehen.As a result, the lock housing, which is typically made of plastic and is present as a plastic injection-molded part, is additionally reinforced as desired. This applies in particular with regard to essential lock components mounted in the lock housing, such as the external operating lever, whose unchanged function determines whether the motor vehicle door lock in question can still be opened after an accident. This is where the main advantages can be seen.
Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung nähe erläutert; es zeigen:
- Fig. 1
- eine Kraftfahrzeugtür, welche mit dem erfindungsgemäßen Kraftfahrzeugtürschloss ausgerüstet ist,
- Fig. 2
- eine Ansicht auf den Gegenstand nach
Fig. 1 aus Richtung X, - Fig. 3
- einen Schnitt durch die
Fig. 2 entlang der Linie A-A und - Fig. 4
- einen Schnitt durch die
Fig. 2 entlang der Linie B-B.
- 1
- a motor vehicle door which is equipped with the motor vehicle door lock according to the invention,
- 2
- a view of the object
1 from direction X, - 3
- a cut through the
2 along line AA and - 4
- a cut through the
2 along line BB.
In den Figuren ist ein Kraftfahrzeugtürschloss dargestellt, welches sich in seinem grundsätzlichen Aufbau ausweislich der
Der Schlosskasten 1 ist ausweislich der
Der Schlosskasten 1 bzw. dessen Gasperreschenkel 1a zur Lagerung des Gesperres 3, 4 ist an eine Stirnfläche 5 einer Kraftfahrzeugtür 5, 6, 7 angeschlossen bzw. mit dieser Stirnfläche 5 verankert. Tatsächlich setzt sich die fragliche Kraftfahrzeugtür 5, 6, 7 ausweislich der
Randseitig der Türöffnung 8 an einer dortigen B-Säule 9 ist ein lediglich angedeuteter Schlosshalter 10 mit der Kraftfahrzeugkarosserie verankert. Der Schlosshalter 10 wechselwirkt mit Hilfe seines Schließbolzens mit dem Gesperre 3, 4 des Kraftfahrzeugtürschlosses, um die Kraftfahrzeugtür 5, 6, 7 in geschlossenem Zustand zu halten.On the edge of the
Anhand der Ansicht aus Richtung X auf das Kraftfahrzeugtürschloss gemäß der
Tatsächlich ist die Lasche 11 lösbar sowohl mit dem Schlosskasten 1 als auch mit dem Schlossgehäuse 2 gekoppelt oder koppelbar. Dabei überspannt die fragliche Lasche 11 in ihrer in der
Am schlossgehäuseseitigen Ende ist die Lasche 11 demgegenüber mit einer Abkantung 11b ausgerüstet. Anhand der
Die im Ausführungsbeispiel rechteckförmig ausgelegte Lasche 11 erstreckt sich folglich von dem stirnflächennahen Bereich des an der Kraftfahrzeugtür 5, 6, 7 festgelegten Schlosskastens 1 und dem dortigen Zapfen 11a bis hin zu ihrem schlossgehäuseseitigen Ende mit der Abkantung 11b. D. h., die Lasche 11 überspannt das Schlossgehäuse 2 im Wesentlichen hinsichtlich seiner gesamten Breite oder Höhe, wie sie in der
Zu diesem Zweck ist die Lasche 11 zusätzlich an ihrem schlossgehäuseseitigen Ende an die Kraftfahrzeugtür 5, 6, 7 angeschlossen. Tatsächlich erkennt man an dem schlossgehäuseseitigen Ende der Lasche 11 eine Bohrung 14, in welche eine in der
Zur Montage des dargestellten Kraftfahrzeugtürschlosses wird zunächst die Lasche 11 mit dem Zapfen 11a lösbar in den Schlosskasten 1a bzw. die Zapfenaufnahme 12 eingesteckt. Anschließend wird das Schlossgehäuse 2 mit dem Schlosskasten 1 verbunden. Zugleich hintergreift bei diesem Vorgang die Nase bzw. Abkantung 11b der Lasche 11 den Befestigungssteg 13 des Schlossgehäuses 2. Hierbei mag die fragliche Abkantung 11b zugleich in die in den
Zur Festlegung des solchermaßen komplettierten Kraftfahrzeugtürschlosses an der Kraftfahrzeugtür 5, 6, 7 wird zunächst der Schlosskastenl an der Stirnseite bzw. Stirnfläche 5 verschraubt. Abschließend wird der Befestigungsschenkel 11 mit dem Türinnenblech 7 verbunden, in dem die Schraube 15 in die zugehörige Öffnung 14 in der Lasche 11 eingreift. Bei diesem Vorgang sorgt zugleich die am Schlossgehäuse 2 umlaufende Dichtung 18 dafür, dass der in den
Man erkennt, dass sich die Lasche 11 in Verlängerung des Seitenschenkels 1b des Schlosskastens 1 erstreckt. Außerdem verläuft die Lasche 11 im Wesentlichen senkrecht zum Gesperreschenkel 1a. Dadurch folgt die Lasche 11 der größten Ausdehnung des Schlossgehäuses 2 und kann dieses optimal versteifen.It can be seen that the
Claims (8)
- Motor vehicle door latch, comprising a latch case (1) that is connected to a motor vehicle door (5, 6, 7) and comprising a latch housing (2) that is connected to the latch case (1), and comprising a fastening element (11) for additionally securing the latch housing (2) to the motor vehicle door (5, 6, 7), wherein the fastening element (11) is in the form of a bracket (11) that can be detachably coupled both to the latch case (1) and to the latch housing (2), wherein the bracket (11) extends, in its longitudinal extent, from a region, near an end face, of the latch case (1) that is secured to the motor vehicle door (5, 6, 7), to the edge of the latch housing (2), and wherein the latch case is provided, in an L shape, with a locking mechanism leg (1a) for supporting a locking mechanism (3, 4) and for anchoring said mechanism to an end face (5) of the motor vehicle door (5, 6, 7), and with a side leg (1b), the bracket (11) extending substantially perpendicularly to the locking mechanism leg (1a) in an extension of the side leg (1b).
- Motor vehicle door latch according to claim 1, characterized in that the bracket (11) is rectangular.
- Motor vehicle door latch according to either claim 1 or claim 2, characterized in that the bracket (11) is inserted by its latch-case-side end into the latch case (1).
- Motor vehicle door latch according to claim 3, characterized in that the bracket (11) has, on the latch-case-side end, a pin (11a) which engages in a pin receptacle (12) on the latch case (1).
- Motor vehicle door latch according to any of claims 1 to 4, characterized in that the bracket (11) engages, by its latch-housing-side end, behind a housing projection (13).
- Motor vehicle door latch according to claim 5, characterized in that the bracket (11) has, on the latch-housing-side end, a bend (11b) which engages behind the housing projection (13).
- Motor vehicle door latch according to any of claims 1 to 6, characterized in that the bracket (11) is connected at its latch-housing-side end to the motor vehicle door (5, 6, 7).
- Motor vehicle door latch according to any of claims 1 to 7, characterized in that the bracket (11) is connected by its center piece to the latch housing (2).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102015004282.3A DE102015004282A1 (en) | 2015-04-08 | 2015-04-08 | Motor vehicle door lock |
PCT/DE2016/100161 WO2016162020A1 (en) | 2015-04-08 | 2016-04-06 | Motor vehicle door lock |
Publications (2)
Publication Number | Publication Date |
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EP3280857A1 EP3280857A1 (en) | 2018-02-14 |
EP3280857B1 true EP3280857B1 (en) | 2022-05-04 |
Family
ID=55759426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16717092.7A Active EP3280857B1 (en) | 2015-04-08 | 2016-04-06 | Vehicle door lock |
Country Status (6)
Country | Link |
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US (1) | US11131125B2 (en) |
EP (1) | EP3280857B1 (en) |
JP (1) | JP6717530B2 (en) |
CN (1) | CN107743537B (en) |
DE (1) | DE102015004282A1 (en) |
WO (1) | WO2016162020A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102017128865A1 (en) | 2017-11-21 | 2019-05-23 | Kiekert Ag | Lock for a motor vehicle |
DE102017128735A1 (en) | 2017-12-04 | 2019-06-06 | Kiekert Ag | Lock for a motor vehicle |
DE102020132145A1 (en) | 2020-12-03 | 2022-06-09 | Bayerische Motoren Werke Aktiengesellschaft | fastener |
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Also Published As
Publication number | Publication date |
---|---|
DE102015004282A1 (en) | 2016-10-13 |
CN107743537B (en) | 2019-08-23 |
WO2016162020A1 (en) | 2016-10-13 |
US20180073281A1 (en) | 2018-03-15 |
JP6717530B2 (en) | 2020-07-01 |
CN107743537A (en) | 2018-02-27 |
US11131125B2 (en) | 2021-09-28 |
EP3280857A1 (en) | 2018-02-14 |
JP2018512523A (en) | 2018-05-17 |
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