EP4444973A1 - Kraftfahrzeug-schloss - Google Patents
Kraftfahrzeug-schlossInfo
- Publication number
- EP4444973A1 EP4444973A1 EP22813405.2A EP22813405A EP4444973A1 EP 4444973 A1 EP4444973 A1 EP 4444973A1 EP 22813405 A EP22813405 A EP 22813405A EP 4444973 A1 EP4444973 A1 EP 4444973A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blocking
- drive element
- lever
- motor vehicle
- vehicle 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
- E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
- E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/06—Electrical using rotary motors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
- E05B81/32—Details of the actuator transmission
- E05B81/34—Details of the actuator transmission of geared transmissions
Definitions
- the invention relates to a motor vehicle lock, in particular a motor vehicle door lock, with a locking mechanism consisting essentially of a rotary latch and a pawl, furthermore with an electromotive drive which performs adjustment movements with the aid of a drive element, and with a blocking element for the drive element.
- Motor vehicle locks with an electric motor drive are used in many different ways in practice and are described in the literature.
- the actuating movements implemented with the aid of the electric motor drive can, for example, involve so-called electrical opening.
- the drive element ensures that the locking mechanism, which is generally in the main locking position and essentially consists of a rotary latch and a pawl, is opened.
- the drive element works directly or indirectly on the pawl and lifts it from its latching engagement with the rotary latch.
- the rotary latch can open with spring support, for example, and releases a previously caught locking bolt.
- the associated motor vehicle door is open.
- security positions can be functional positions such as “locked/unlocked”, “theft-protected/anti-theft-unlocked” or also “child-proof/child-unlocked”.
- security positions can be functional positions such as “locked/unlocked”, “theft-protected/anti-theft-unlocked” or also “child-proof/child-unlocked”.
- the generic state of the art according to DE 10 2017 124 521 A1 discloses embodiments in which the drive element not only allows the locking mechanism to be opened/closed electrically, but also other additional elements such as a clutch element can be controlled. I.e., using a (single) electric motor drive, different setting realize and implement movements such as electrical opening or activation of a safety position.
- one or more sensors are sometimes used in practice and also in literature, with the help of which, for example, the position of the drive element is checked.
- this increases the logical effort, especially since the control of the actuating movement of the drive element is naturally not sufficient to avoid or cancel undefined actuating movements. Because that requires an additional and appropriately controlled loading of the electric motor drive.
- the present invention is based on the technical problem of further developing such a motor vehicle lock in such a way that the actuating movements of the drive element are realized and implemented without loss of performance and taking into account a structurally simple structure.
- a generic motor vehicle lock and in particular a motor vehicle door lock is characterized within the scope of the invention in that the blocking element is designed as a blocking lever which can be rotated about an axis and which pivots into its blocking position as a result of an actuating movement of the drive element, so that the actuating movement and a subsequent reversing movement of the drive element takes place purely by motor and without spring force until the blocking position is reached.
- a spring or restoring spring assigned to the drive element or in general to the electric motor drive in general can be dispensed with, which ensures that the drive element reverses to the basic position after its actuating movement. Rather, this reversing movement and also the adjusting movement are carried out according to the invention purely by a motor and without spring force.
- the invention is based on the finding that the actuating movement is blocked in this case by two mechanically acting stops, so that any sensors for querying the position of the drive element can also be dispensed with in addition and as a supplement.
- a stop of the adjusting movement corresponds to the fact that the adjusting position has been reached and, for example, the pawl has been completely lifted off the rotary latch.
- the pawl is typically and usually assigned a stop anyway, which in this case also acts as a stop acts for the drive element.
- the drive element is now reversed with the aid of the electric motor drive, specifically according to the invention purely by motor and without spring force. The reversing movement is continued until the blocking position of the drive element is reached. In this case, too, the drive element moves against a mechanical stop, which is made available by the blocking lever previously pivoted into its blocking position.
- the design is such that the drive element transfers the blocking lever into the blocking position through its actuating movement. This can be carried out and implemented in detail in such a way that a contour on the drive element correspondingly transfers the blocking lever from its basic position to the blocking position.
- the drive element is defined and limited by mechanical stops and transferred from its setting position to the blocking position or blocking position purely by motor and without spring force.
- undesired actuating movements are suppressed and an additional sensory interrogation or a possible follow-up of the drive element using the electric motor drive is also expressly unnecessary. This is where the main advantages can be seen.
- a blocking element is assigned to the blocking lever, which releasably holds the blocking lever in the blocking position.
- the blocking element is one which advantageously releases the blocking lever when the blocking position is reached by the drive element.
- the blocking lever can then be transferred again and again into its basic position. Nevertheless, the blocking lever has previously provided the blocking position for the drive element.
- the locking element in question is typically a locking angle lever that can be rotated about an axis.
- blocking element is as Angle lever with a locking function, ie as a locking angle lever, designed.
- the design is further such that the axis of the blocking lever and the axis of the locking angle lever are arranged at a distance from one another on the circumference of the circular disk-like drive element. This enables collision-free interaction between the blocking lever on the one hand and the angle locking lever on the other.
- the angle locking lever is generally equipped with a spring arm that is acted upon by a spring and, in addition, with a blocking arm that interacts with the blocking lever.
- the spring acting on the spring arm ensures that, after the blocking lever has been released, the blocking element is transferred into its basic position, which no longer interacts with the blocking lever.
- the blocking lever can also move into its basic position overall.
- the blocking lever is advantageously designed as a two-armed lever that can be rotated about the axis and is largely elongated.
- the blocking lever has a spring arm that is acted upon by a spring and a drive arm that interacts with a contour on the drive element.
- the blocking lever With the help of the spring acting on the spring arm of the blocking lever, the blocking lever is pivoted into its basic position as soon as the drive element reaches the blocking position of the blocking lever and thereby releases the blocking element. That is, after the blocking position has been reached by the drive element, the blocking element and thus also the blocking lever are released. Since a spring is assigned to both the blocking element and the blocking lever, both of the aforementioned components each pivot into their basic position, so that interaction with the drive element in the relevant basic position is then no longer possible.
- the drive element has a contour that acts on the blocking lever or its drive arm.
- a restoring spring is assigned to the contour in question on the drive element.
- the drive element is transferred from the blocking position to its basic position or neutral position.
- the associated travel is extremely small compared to a spring-assisted reversing process as in the prior art measured.
- the overall performance of the electric motor drive is not impaired because the adjusting movement of the electric motor drive is used purely for the adjusting process within the scope of the invention and the return spring in question remains unloaded.
- the procedure is in detail and usually such that the drive element, starting from the basic position or neutral position in question, opens the locking mechanism in one setting direction and moves to one or more locking positions of the locking mechanism in another, opposite setting direction.
- the adjustment direction for opening the locking mechanism typically corresponds to the adjustment movement of the drive element, during which the blocking lever is pivoted into its blocking position, specifically with the aid of the contour on the drive element.
- the one or more securing positions of the locking mechanism are approached in the opposite setting direction, so that neither the blocking lever nor the blocking element are acted upon in this opposite setting direction.
- the invention is based on the knowledge that it is important, particularly in the actuating movement associated with opening the locking mechanism, to be able to use the entire electrical power provided by an electric motor as part of the electromotive drive.
- This is possible and optimized according to the invention because in this process the setting movement or taking up the setting position and specifically the opening of the locking mechanism is not associated with a spring assigned to the drive element being acted upon for the reversing movement. Rather, the reversing movement of the drive element takes place purely by motor and without spring force, namely until the blocking position is reached. I.e., in this case and for When the locking mechanism is opened, the entire electrical power generated by the electric motor as part of the electric motor drive is available.
- the invention for the first time and precisely takes into account the different performance requirements for a (single) electric motor drive, which is used both for electrically opening a locking mechanism and for assuming one or more securing positions. In addition, this prevents indifferent adjustment movements.
- the invention essentially achieves this in that the actuating movement as such and in particular the movement of the drive element for opening the locking mechanism pivots the blocking lever into its blocking position, so that the subsequent reversing movement of the drive element, like the preceding actuating movement, is purely motorized and without spring force up to the Reaching the blocking position can take place.
- mechanically defined stops are made available, which suppress indifferent actuating movements. All of this is additionally achieved by taking into account a structurally simple and consequently cost-effective structure. This is where the main advantages can be seen.
- the invention is explained in more detail below with reference to a drawing that merely represents an exemplary embodiment; show it:
- a motor vehicle lock is shown, which is not limited to a motor vehicle door lock.
- This is equipped with a locking mechanism 1 , 2 which is only shown and indicated in FIG. 2 and essentially consists of a rotary latch 1 and a pawl 2 .
- a release lever 3 can be seen purely schematically, which can be acted upon and specifically opened with the aid of an electric motor drive 4, 5, 6.
- the electric motor drive 4 , 5 , 6 consists of an electric motor M, a drive element 5 driven by the electric motor 6 and, according to the exemplary embodiment, is circular disk-like, and finally a cam 4 on the drive element 5 .
- FIG. 2 shows how the cam 4 on the drive element 5 is used to electrically open the locking mechanism 1 , 2 .
- the drive element 5 is pivoted about its central axis in the clockwise direction indicated in FIG.
- the clockwise movement of the contour 4 of the drive element 5 has the result that the release lever 3, which is designed as an angle lever according to the exemplary embodiment, pivots about its axis in the counterclockwise direction indicated in FIG.
- the pawl 2 is pivoted clockwise about its axis and releases the rotary latch 1 previously held latching with its help.
- the rotary latch 1 then opens in the indicated clockwise direction due to spring or rubber sealing forces, so that a previously caught and not expressly shown locking bolt is released.
- the associated motor vehicle door can be opened as a result.
- the drive element 5 can not only carry out adjustment movements in the clockwise direction indicated in FIG. But the drive element 5 can just as easily be acted upon in the opposite direction, ie counterclockwise, in order in this way to be able to additionally reach and define one or more possible securing positions that are not shown in detail. That is, according to the exemplary embodiment, the clockwise actuating movement of the drive element 4 corresponds to the locking mechanism 1, 2 being opened. In contrast, the adjusting movement in the counterclockwise direction of the drive element 5 corresponds to one or more securing positions being realized. This is achieved according to the invention by using a single electric motor drive 4, 5, 6.
- the basic structure also includes a blocking element 6a, 6b for the drive element 4.
- the blocking element 6a, 6b is a blocking lever 6a, 6b that can be rotated about an axis 7.
- a blocking element 8a, 8b is also provided according to the invention and is essential for the following considerations.
- the blocking element 8a, 8b is assigned to the blocking lever 6a, 6b and releasably holds the blocking lever 6a, 6b in its blocking position, as will be explained in more detail below.
- the blocking element 8a, 8b is a blocking angle lever 8a, 8b which can be rotated about an axis 9.
- the blocking lever 6a, 6b which can be rotated about its axis 7, pivots into its blocking position as a result of an actuating movement of the drive element 5. This can be understood by comparing FIGS. 1 and 2.
- the blocking lever 6a, 6b is in its basic position in FIG. 1 and is transferred into the blocking position shown in FIG. 2 with the aid of the drive element 5 or by its contour 4.
- this corresponds to an adjusting movement of the drive element 5 in the clockwise direction, i.e. - as already explained - an adjusting movement such that in the adjusting direction in question (clockwise) of the Drive element 4 the locking mechanism 1, 2 is opened.
- the drive element 5 is acted upon in its opposite setting direction, ie counterclockwise in the exemplary embodiment, the drive element 5 moves to one or more securing positions of the locking mechanism 1, 2, which is not shown in detail.
- the design is now such that, according to the invention, both the actuating movement in question in the clockwise direction and a subsequent reversing movement in the counterclockwise direction of the drive element 5 each take place purely by motor and without spring force, namely until a blocking position of the blocking lever 6a, 6b is reached.
- the design is such that the drive element 5 acts with its contour 4 on the blocking lever 6a, 6b, starting from the basic position or neutral position of the drive element 5 in Fig. 1, in such a way that the blocking lever 6a, 6b moves during the transition from Fig. 1 to FIG. 2 is pivoted about its axis 7 in the counterclockwise direction indicated there. As a result, the blocking lever 6a, 6b pivots into the blocking position shown in FIG.
- the elongate blocking lever 6a, 6b which is designed as a two-armed lever, is now held in the blocking position reached in FIG.
- the blocking element 8a, 8b ensures that the blocking lever 6a, 6b maintains the blocking position according to the illustration in Fig. 2 until the drive element or its contour 4 reaches the blocking position and during the transition from Fig. 2 to Fig. 3 ensures that the blocking element 8a, 8b releases the blocking lever 6a, 6b.
- the overall design is such that the axis 7 of the blocking lever 6a, 6b and the axis 9 of the locking angle lever 8a, 8b are arranged at a distance from one another on the circumference of the circular disk-like drive element 5.
- the locking angle lever 8a, 8b is equipped with a spring arm 8b acted upon by a spring 10 and additionally with a blocking arm 8a interacting with the blocking lever 6a, 6b.
- the blocking lever 6a, 6b is in turn designed as a two-armed lever 6a, 6b which can be rotated about the axis 7 and is largely elongated.
- the blocking lever 6a, 6b has a spring arm 6b acted upon by a spring 11 and, in addition, a blocking arm 6a interacting with the drive element 5.
- the spring arm 6b is also designed as a drive arm of the blocking lever 6a, 6b in such a way that it interacts with the contour 4 on the drive element.
- the design is such that a restoring spring 12 is assigned to the contour 4 on the drive element 5 .
- the restoring spring 12 ensures that the drive element 5 is transferred from the blocking position reached in FIG. 3 into a basic position or the neutral position shown there in dashed lines, as is also shown in FIG. 1 .
- the blocking position of the blocking lever 6a, 6b is assumed because the blocking lever 6a, 6b is pivoted into the blocking position with the aid of the contour 4 during the actuating movement of the drive element 5, as can be understood from FIG.
- the locking element or locking angle lever 8a, 8b interacting with the locking lever 6a, 6b ensures that the locking lever 6a, 6b is held in the locking position as shown in FIG.
- the angle locking lever 8a, 8b is equipped with a locking contour 13, in which a locking lug 14 of the locking lever 6a, 6b detachably engages.
- both the locking angle lever 8a, 8b - acted upon by its spring 10 - and the blocking lever 6a, 6b, acted upon by the spring 1 1 swing back into their basic position, as shown in FIG. Corresponding arrows in FIG. 3 indicate this. This is because this respective reverse pivoting movement corresponds to an associated respective clockwise rotation of the locking angle lever 8a, 8b on the one hand and of the blocking lever 6a, 6b on the other hand.
- the drive element 5 is transferred from the blocking position to the basic position or neutral position according to FIG. 1 with the aid of the return spring 12 assigned to the drive element 5 , as is also indicated by dot-dashed lines in FIG.
- the electric motor drive 4, 5, 6 is again in its basic position or neutral position shown in FIG.
- the locking mechanism 1, 2 can be electrically opened again, or is it possible with an actuating movement of the drive element 5 starting from the basic position in a counterclockwise direction to move to one or more securing positions (not shown).
- These security positions can be the functional positions “locked/unlocked”, “child-proof/child-unlocked” or also “anti-theft/anti-theft” specified in the introduction to the description, individually or in combination.
- the link control or the ballpoint pen mechanism according to EP 1 1 13 133 A1 may be used.
- At least two functions can be implemented with the aid of the electric motor drive 4, 5, 6, namely the described electrical opening of the locking mechanism 1, 2 and, in addition, another functional position or the assumption of the previously mentioned safety positions. All of this is possible, particularly in connection with the electromotive opening of the locking mechanism 1, 2, without any loss of performance during the opening process, because the associated actuating movement and the subsequent reversing movement of the drive element 5 are carried out purely by motor and without spring force until the blocking position is reached.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021132141.7A DE102021132141A1 (de) | 2021-12-07 | 2021-12-07 | Kraftfahrzeug-Schloss |
| PCT/DE2022/100855 WO2023104237A1 (de) | 2021-12-07 | 2022-11-16 | Kraftfahrzeug-schloss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4444973A1 true EP4444973A1 (de) | 2024-10-16 |
Family
ID=84363620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22813405.2A Pending EP4444973A1 (de) | 2021-12-07 | 2022-11-16 | Kraftfahrzeug-schloss |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20250027345A1 (de) |
| EP (1) | EP4444973A1 (de) |
| KR (1) | KR20240116750A (de) |
| CN (1) | CN118369484A (de) |
| DE (1) | DE102021132141A1 (de) |
| WO (1) | WO2023104237A1 (de) |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19617428C2 (de) * | 1996-05-01 | 1998-06-10 | Kiekert Ag | Kraftfahrzeug-Türverschluß mit elektrischem Türschloß und elektrische Zuziehhilfe für die zugeordnete Kraftfahrzeugtür |
| DE19650661B4 (de) * | 1996-12-06 | 2007-03-08 | Kiekert Ag | Kraftfahrzeugtürverschluss mit elektrischem Kraftfahrzeugtürschloss |
| DE19747211C2 (de) * | 1997-10-25 | 2000-02-17 | Bosch Gmbh Robert | Kleine motorische Antriebseinrichtung für ein bewegliches Funktionselement in einem Kraftfahrzeug |
| DE19828040B4 (de) * | 1998-06-24 | 2005-05-19 | Siemens Ag | Kraftunterstützte Schließeinrichtung |
| DE19927842A1 (de) * | 1999-06-18 | 2001-01-04 | Bosch Gmbh Robert | Elektromotorischer Stellantrieb für ein Kraftfahrzeugschloß |
| DE19948052A1 (de) * | 1999-10-06 | 2001-04-12 | Mannesmann Vdo Ag | Öffnungshilfe für Türschlösser |
| DE19963910A1 (de) | 1999-12-31 | 2001-07-19 | Bosch Gmbh Robert | Kraftfahrzeug-Türschloß mit Kindersicherung |
| DE10143366A1 (de) * | 2001-09-04 | 2003-03-20 | Kiekert Ag | Kraftfahrzeugtürverschluss |
| US7261333B2 (en) * | 2002-08-20 | 2007-08-28 | Intier Automotive Closures Inc. | Power actuator for door latch |
| DE10258390B4 (de) | 2002-12-12 | 2012-01-26 | Kiekert Ag | Kraftfahrzeugtürverschluss |
| DE202006012091U1 (de) * | 2006-08-04 | 2007-12-20 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Kraftfahrzeugschloß |
| DE102011012999A1 (de) * | 2011-03-04 | 2012-09-06 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürschloss |
| DE202012001961U1 (de) | 2012-02-28 | 2013-05-29 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürverschluss |
| DE102014201799A1 (de) * | 2014-01-31 | 2015-08-06 | Kiekert Ag | Schließvorrichtung für eine Kraftfahrzeughaube und Verfahren |
| US10995525B2 (en) * | 2017-09-19 | 2021-05-04 | Kiekert Ag | Single rotation release gear blocking lever |
| DE102017124521A1 (de) | 2017-10-20 | 2019-04-25 | Kiekert Ag | Kraftfahrzeugtürschloss |
| DE102019111936A1 (de) * | 2019-05-08 | 2020-11-12 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürschloss |
| DE102019116441A1 (de) * | 2019-06-18 | 2020-12-24 | Kiekert Aktiengesellschaft | Schließeinrichtung für ein Kraftfahrzeug |
| DE102019126596A1 (de) | 2019-10-02 | 2021-04-08 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss |
| CN113494215B (zh) * | 2020-04-08 | 2023-03-24 | 开开特股份公司 | 机动车锁 |
| DE102020112079A1 (de) * | 2020-05-05 | 2021-11-11 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss |
-
2021
- 2021-12-07 DE DE102021132141.7A patent/DE102021132141A1/de active Pending
-
2022
- 2022-11-16 EP EP22813405.2A patent/EP4444973A1/de active Pending
- 2022-11-16 US US18/714,818 patent/US20250027345A1/en active Pending
- 2022-11-16 KR KR1020247020108A patent/KR20240116750A/ko active Pending
- 2022-11-16 CN CN202280081049.7A patent/CN118369484A/zh active Pending
- 2022-11-16 WO PCT/DE2022/100855 patent/WO2023104237A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| KR20240116750A (ko) | 2024-07-30 |
| CN118369484A (zh) | 2024-07-19 |
| WO2023104237A1 (de) | 2023-06-15 |
| US20250027345A1 (en) | 2025-01-23 |
| DE102021132141A1 (de) | 2023-06-07 |
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