EP4416357A1 - Kraftfahrzeug-schloss insbesondere kraftfahrzeug-türschloss - Google Patents
Kraftfahrzeug-schloss insbesondere kraftfahrzeug-türschlossInfo
- Publication number
- EP4416357A1 EP4416357A1 EP22789853.3A EP22789853A EP4416357A1 EP 4416357 A1 EP4416357 A1 EP 4416357A1 EP 22789853 A EP22789853 A EP 22789853A EP 4416357 A1 EP4416357 A1 EP 4416357A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary latch
- motor vehicle
- pawl
- spring
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/66—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/66—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
- E05B81/68—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status by sensing the position of the detent
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
-
- 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
-
- 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
Definitions
- Motor vehicle lock in particular motor vehicle door lock
- the invention relates to a motor vehicle lock, in particular a motor vehicle door lock, with a locking mechanism consisting essentially of the locking mechanism components rotary latch and pawl, also with at least one sensor for querying the position of the rotary latch and the pawl, and with at least one pushbutton element acted upon by a spring between the sensor and the associated ratchet component, wherein the feeler element is designed to be rotatable about an axis.
- a motor vehicle door lock with a closing drive is described, for example, in DE 10 2009003402 A1.
- a closing lever acting on the rotary latch is implemented.
- a closing lever switch is provided to determine a functional position of the closing lever.
- a functional position of the pawl can be detected using a pawl switch.
- the closing lever acts as a feeler element of the closing lever switch that scans a cam of the rotary latch.
- one variant works with a feeler element designed to be rotatable relative to an axis.
- the probe element is not only acted upon by a spring, but also has a pawl contour and a rotary latch contour for sensing the closed position of the pawl on the one hand and the closed position of the rotary latch on the other. Every time at least one locking mechanism component deviates from its closed position, the pushbutton element acts on the sensor.
- the invention is based on the technical problem of further developing such a motor vehicle lock and in particular a motor vehicle door lock in such a way that the functional reliability is increased and in particular is also made available on long time scales.
- the invention proposes in a generic motor vehicle lock and in particular a motor vehicle door lock that the spring acting on the button element is mounted on the button element and is equipped with legs on both sides for interaction with the rotary latch on the one hand and a housing stop on the other.
- the design with regard to the feeler element is advantageously such that the feeler element is designed as a two-armed lever with a ratchet lever arm and a rotary latch lever arm.
- the pawl lever arm typically has a pawl contour for scanning the pawl.
- the rotary latch lever arm is designed in such a way that it can interact with the sensor.
- the sensing element can scan the pawl with the aid of the pawl lever arm and the pawl contour provided there.
- the rotary latch is scanned using the spring.
- the spring is typically designed as a torsion spring with a rotary latch leg and a housing leg. Both legs generally face each other with respect to a central coil portion.
- the design is advantageously such that both legs are each connected tangentially to the winding section and essentially enclose an angle of approximately 180° between them.
- the winding section generally encloses a bearing collar of the feeler element.
- the bearing collar is typically encompassed by the winding section, specifically coaxially.
- the bearing collar is provided on the rotary latch arm of the feeler element. Accordingly, the spring is mounted on the relevant rotary latch arm.
- the design is usually such that the leg of the rotary latch engages through a guide slot on the pushbutton element. Since that Probe element is equipped with the rotary latch lever arm, which in turn interacts with the sensor and also interacts with the rotary latch on the part of the rotary latch leg, the guide slot in question is typically found on said rotary latch lever arm.
- the spring engages with its leg of the rotary latch through the said guide slot on the probe element, which in turn is provided and realized on the rotary latch lever arm.
- the leg of the rotary latch of the spring experiences simultaneous storage and guidance within the guide slot on the pushbutton element.
- the leg of the rotary latch can easily be used for scanning the outer circumference of the rotary latch.
- the leg of the rotary latch usually has a nose at the end, with the help of which the external peripheral scanning of the rotary latch is successful.
- the design described allows the spring to be tensioned between the housing stop on the one hand and the catch on the other as soon as the nose provided at the end of the leg of the catch comes into contact with the outer circumference of the catch. This is typically the case when the catch is closed or not (yet) in its fully open position. Only when the rotary latch is fully open can the rotary latch leg or the end lug no longer interact with the rotary latch or the outer circumference of the rotary latch has moved so far away from the rotary latch leg that it is spaced therefrom.
- the opening process of the rotary latch and thus of the locking mechanism as a whole is usually associated with the sensor acted upon by the button element not emitting a signal.
- This is accompanied by the fact that the rotary latch arm interacting with the sensor leaves the sensor, which is usually mounted stationarily in a housing of the motor vehicle lock, as a component of the sensing element.
- the sensor may be a Hall sensor, which reacts to the approach of a permanent magnet on or in the rotary latch lever arm.
- the invention is able, taking into account a compact and simple structure, to be able to permanently detect when the main closed position is safely assumed with the aid of the sensor. Any deviation from this results in a missing signal.
- the pushbutton element especially since this is usually designed as a plastic injection molded part anyway. As a result, permanent functionality is observed and any temperature or other climatic effects are irrelevant. This is where the main advantages can be seen.
- FIG 1 shows the motor vehicle lock according to the invention in the main latching position or main locking position
- Fig. 5 shows a closing process starting from the open position of the locking mechanism according to FIG. 4 with the locking mechanism in the pre-locked position
- FIG. 6 shows the locking mechanism in the main locking position corresponding to the representation in FIG. 1 .
- a motor vehicle lock is shown, which is not limited to a motor vehicle door lock, which is accommodated inside a housing 1, which is only indicated.
- the motor vehicle lock or motor vehicle door lock has a locking mechanism 2, 3 consisting essentially of the locking mechanism components 2, 3, namely a rotary latch 2 and a pawl 3.
- the rotary latch 2 with a locking element 4 arranged in the area of engagement between the two locking mechanism components 2, 3 is equipped, which according to the exemplary embodiment is pivotably mounted on the rotary latch 2 in a locking mechanism plane.
- the ratchet level is spanned by the two ratchet components 2, 3 and coincides with the drawing level in the context of the illustrations.
- Such an embodiment of the locking mechanism 2, 3 with locking element 4 arranged between the two locking mechanism components 2, 3 is exemplified in DE 10 2019 123 837 A1 of the applicant in detail.
- a locking mechanism 2, 3 could also be used at this point, in which a so-called carrier pawl is rotatably mounted on the pawl 3, as described in DE 10 2009 029 023 A1 of the applicant.
- embodiments without any latching element 4 or carrier pawl are also provided and are included.
- the motor vehicle lock according to the invention and in particular motor vehicle door lock is also equipped with at least one sensor 5 , 6 for querying the position of the rotary latch 2 and the pawl 3 .
- the sensor 5, 6 is designed according to the exemplary embodiment and not restrictively in two parts, namely on the one hand has a Hall sensor 5 fixed in or on the housing 1 on the one hand and a permanent magnet 6 on the other hand, which is arranged on or in a probe element 7 to be described in more detail below finds.
- the sensor 5, 6 then sends a sensor signal to a control unit (not expressly shown) when the Hall sensor 5 overlaps with the help of the permanent magnet 6 or the permanent magnet 6 covers the Hall sensor 5.
- a control unit not expressly shown
- this is the case if and only if the locking mechanism 2, 3 has assumed its main closed position or main latching position, as is shown in FIGS. 1 and 6. Any deviation from this main closed position or main detent position causes the permanent magnet 6 to move away from the Hall sensor 5, so that the relevant signal is not (or no longer) sent to the control unit in this case.
- the button element 7 already mentioned above is designed to be rotatable overall about an axis 9 .
- the axis 9 is defined by a stationary bearing pin 9.
- the bearing pin 9 may be connected to the housing 1 or may in principle also be an integral part of this housing 1, which is usually designed as a plastic injection molded part.
- the probe element 7 is usually also made of plastic or is a Plastic injection molded part, so that a bearing collar 8 is an integral part of the feeler element 7 in general.
- the basic structure includes a spring 10, with the help of which the probe element 7 is acted upon.
- the button element 7 is in each case arranged between the sensor 5, 6 and the associated locking mechanism component 2, 3. It can be seen that the spring 10 is made in three parts overall. In fact, the spring 10 initially has a winding section 10a, from which, according to the exemplary embodiment, two legs 10b, 10c emanate.
- the design according to the invention is such that the spring 10 surrounds the bearing collar 8 with its winding section 10a. As a result, the spring 10 is mounted on the feeler element 7 . In addition, the spring 10 with the two legs 10b, 10c mentioned and on both sides ensures an interaction with the rotary latch 2 on the one hand and a housing stop 11 on the other.
- the design is such that one leg 10b extending from the central winding section 10a of the spring 10 is designed as a housing leg 10b.
- the housing leg 10b rests against the housing stop 11 and is supported against it.
- the winding section 10a encloses the bearing collar 8 of the feeler element 7.
- the other further second leg 10c of the spring 10 is in contrast designed as a rotary latch leg 10c.
- a position of the rotary latch 2 can be scanned with the aid of the rotary latch leg 10c.
- the rotary latch leg 10c in question interacts with the rotary latch 2 on the outer circumference.
- both legs 10b, 10c are opposite one another and are each connected tangentially to the oppositely central winding section 10a.
- the two legs 10b, 10c generally enclose an angle of approximately 180° between them.
- the rotary latch arm 10c of the spring 10 passes through a guide slot 12 on the pushbutton element 7.
- the guide slot 12 is also an integral part of the plastic pushbutton element 7. In this way, the leg 10c of the rotary latch is guided relative to the probe element 7.
- the leg 10c of the rotary latch in question is equipped with a nose 10d at the end, which is set up and designed for scanning the rotary latch 2 on the outer peripheral side.
- Fig. 1 is the motor vehicle lock and its locking mechanism 2, 3 in the main locking position or main closed position.
- This is characterized in that the pawl 3 rests with an arm 3a on the latching element 4 and the rotary latch 2 latches in this main latching position.
- another arm 3b of the pawl 3 bears against a pawl contour 13 as part of the feeler element 7 .
- the pushbutton element 7 is designed overall as a two-armed lever with a ratchet lever arm 7a and a rotary latch lever arm 7b.
- the pawl lever arm 7a has the pawl contour 13 for scanning the pawl 3.
- the rotary latch arm 7b interacts with the sensor 5, 6, namely, according to the exemplary embodiment, it is equipped with the permanent magnet 6 as a component of the sensor 5, 6.
- the permanent magnet 6 may be let into, for example, a recess in the rotary latch lever arm 7b.
- the pawl arm 3b acts on the pawl contour 13 and ensures overall that during the transition from FIG. 1 to FIG.
- the pawl arm 7a of the feeler element 7 may be associated with a further housing stop 16, which may limit the opening movements of the pawl 3.
- the opening of the pawl 3 during the transition from FIG. 1 to FIG. 2 takes place manually, for example, in that the pawl 3 is acted upon by an actuating lever chain (not expressly shown) and a door handle (door inside handle and/or outside door handle). As a rule, however, the pawl 3 is acted upon by an electric motor in the sense of an electrical opening.
- the rotary latch 2 can pivot about its axis 15, in a clockwise direction. Since, in addition, during the transition from FIG. 1 to FIG. 2, the feeler element 7 has been acted upon about its axis 9 - as described - in a counterclockwise direction, the permanent magnet 6 leaves the position of the Hall sensor 5, so that as a result the sensor originally detected 5, 6 delivered to the control unit sensor signal is no longer observed. The same applies in the functional position according to FIG. 3.
- the pushbutton element 7 is held by the spring 10 in connection with the pawl 3, because although the leg 10c of the rotary latch has relaxed during the transition from FIG. 2 via FIG. 3 to FIG as before on the housing stop 1 1 is applied.
- the feeler element 7 is held in its position by the winding section 10a surrounding the bearing collar 8 .
- FIG. 5 a closing process of the locking mechanism 2, 3 is then illustrated using FIG. 5 and 6 described.
- the closing process during the transition from FIG. 4 to FIG. 5 corresponds to the rotary latch 2 being pivoted counterclockwise about its axis 15 .
- a locking bolt (not expressly shown) may move into the opened rotary latch 2 and ensure the described pivoting movement of the rotary latch 2 about its axis 15 counterclockwise during the transition from FIG. 4 to FIG.
- the pawl 3 can now move with its pawl arm 3a against a pre-lock of the rotary latch 2 or fall into this pre-lock, as shown in FIG.
- an outer circumference of the rotary latch 2 may additionally come into contact with the rotary latch leg 10c of the spring 10 .
- the feeler element 7 is kept unchanged in its position during the transition from FIG. 4 to FIG. This is ensured by the spring 10, which now ensures that the pushbutton element 7 remains in the position according to FIGS.
- the sensor 5, 6 still does not send a signal to the control unit, which is not shown.
- the rotary latch leg 10c of the spring 10 is acted upon by the rotary latch 2 moving into the main closed position during this process from the outer circumference of the rotary latch 2 in such a way that the pushbutton element 7 as a whole is its axis 9 is acted upon in a clockwise direction and as a result the pawl arm 7a can rest against the arm 3b of the pawl 3 with its pawl contour 13 .
- This pivoting movement of the feeler element 7 in a clockwise direction causes the permanent magnet 6 on the rotary latch arm 7b of the feeler element 7 to move in the direction of the Hall sensor 5 and to overlap with it, so that the sensor 5, 6 now emits a signal to the control unit.
- the signal from the sensor 5, 6 expresses that the main locking position or main closed position of the locking mechanism 2, 3 has been reached again, as was already the subject of FIG. 1, which shows the starting point.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021126475.8A DE102021126475A1 (de) | 2021-10-13 | 2021-10-13 | Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss |
| PCT/DE2022/100721 WO2023061529A1 (de) | 2021-10-13 | 2022-09-28 | Kraftfahrzeug-schloss insbesondere kraftfahrzeug-türschloss |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4416357A1 true EP4416357A1 (de) | 2024-08-21 |
| EP4416357B1 EP4416357B1 (de) | 2025-10-29 |
Family
ID=83692986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22789853.3A Active EP4416357B1 (de) | 2021-10-13 | 2022-09-28 | Kraftfahrzeug-schloss insbesondere kraftfahrzeug-türschloss |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12509923B2 (de) |
| EP (1) | EP4416357B1 (de) |
| CN (1) | CN118234919A (de) |
| DE (1) | DE102021126475A1 (de) |
| WO (1) | WO2023061529A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021126475A1 (de) * | 2021-10-13 | 2023-04-13 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss |
| DE102023117518A1 (de) * | 2023-07-03 | 2025-01-09 | Kiekert Aktiengesellschaft | Kraftfahrzeugschloss |
| CN121794438A (zh) * | 2023-08-02 | 2026-04-03 | 开开特股份公司 | 用于机动车的锁 |
| US12529249B2 (en) | 2023-08-02 | 2026-01-20 | Kiekert Ag | Lock for a motor vehicle |
| DE102023133663A1 (de) * | 2023-12-01 | 2025-06-05 | Kiekert Aktiengesellschaft | Kraftfahrzeugschloss |
| EP4636205A1 (de) * | 2024-04-19 | 2025-10-22 | Pha Co., Ltd. | Verriegelungsvorrichtung für fahrzeuge |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5564761A (en) | 1993-01-13 | 1996-10-15 | Mitsui Kinzoku Kogyo Kabushiki Kaisha | Door lock device with automatic closing mechanism |
| FR2746838B1 (fr) | 1996-04-02 | 2004-11-26 | Kiekert Ag | Fermeture de portieres pour vehicules automobiles avec serrure de portiere de vehicule automobile et support de serrure asservi |
| JP3857492B2 (ja) * | 2000-02-29 | 2006-12-13 | 株式会社大井製作所 | 自動車用ドアロックのラッチ位置検出装置 |
| DE102006052626A1 (de) * | 2006-11-08 | 2008-05-15 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Verschluss für Fahrzeuge |
| DE102007003948A1 (de) * | 2006-11-22 | 2008-05-29 | Kiekert Ag | Schlosseinheit mit mehrteiliger Sperrklinke |
| JP4542166B2 (ja) * | 2008-03-26 | 2010-09-08 | 三井金属鉱業株式会社 | ドアロック装置 |
| DE102008023490A1 (de) * | 2008-05-14 | 2009-11-19 | GM Global Technology Operations, Inc., Detroit | Schloss einer Hauber eines Kraftfahrzeuges |
| DE102009003402A1 (de) | 2009-01-29 | 2010-08-05 | Witte-Velbert Gmbh & Co. Kg | Drehfallenverschluss mit Zuziehhilfe |
| DE102009029023A1 (de) | 2009-08-31 | 2011-03-03 | Kiekert Ag | Kraftfahrzeugschloss |
| US8894106B2 (en) * | 2011-05-19 | 2014-11-25 | Inteva Products, Llc | Vehicle latch |
| CA2832748A1 (en) * | 2011-05-27 | 2012-12-06 | Magna Closures S.P.A. | Double ratchet, double pawl vehicular latch with soft stop on reset |
| DE102012102724A1 (de) * | 2012-03-29 | 2013-10-02 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Kraftfahrzeugtürverschluss |
| DE102012111288A1 (de) * | 2012-11-22 | 2014-05-22 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürverschluss |
| US10604969B2 (en) | 2014-11-25 | 2020-03-31 | Aisin Seiki Kabushiki Kaisha | Vehicle door lock device |
| DE102016010467B4 (de) * | 2016-08-31 | 2022-09-22 | Magna BÖCO GmbH | Verriegelungsvorrichtung für eine Fahrzeugtür und Verfahren |
| JP6703271B2 (ja) * | 2016-09-21 | 2020-06-03 | 株式会社アンセイ | 車両用ドアロック装置 |
| US10066426B2 (en) * | 2017-02-02 | 2018-09-04 | Kiekert Ag | Motor vehicle door latch |
| US10604970B2 (en) * | 2017-05-04 | 2020-03-31 | Ford Global Technologies, Llc | Method to detect end-of-life in latches |
| DE102019123837A1 (de) | 2018-10-22 | 2020-04-23 | Kiekert Aktiengesellschaft | Kraftfahrzeugschloss |
| JP6846398B2 (ja) * | 2018-11-19 | 2021-03-24 | 三井金属アクト株式会社 | センサ組立体及びドアロック装置 |
| DE102019107572A1 (de) | 2019-03-25 | 2020-10-01 | Kiekert Aktiengesellschaft | Kraftfahrzeug-schloss |
| DE102021126475A1 (de) * | 2021-10-13 | 2023-04-13 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss |
-
2021
- 2021-10-13 DE DE102021126475.8A patent/DE102021126475A1/de active Pending
-
2022
- 2022-09-28 CN CN202280075077.8A patent/CN118234919A/zh active Pending
- 2022-09-28 US US18/699,713 patent/US12509923B2/en active Active
- 2022-09-28 WO PCT/DE2022/100721 patent/WO2023061529A1/de not_active Ceased
- 2022-09-28 EP EP22789853.3A patent/EP4416357B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102021126475A1 (de) | 2023-04-13 |
| US20240410205A1 (en) | 2024-12-12 |
| EP4416357B1 (de) | 2025-10-29 |
| WO2023061529A1 (de) | 2023-04-20 |
| US12509923B2 (en) | 2025-12-30 |
| CN118234919A (zh) | 2024-06-21 |
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