EP2925944B1 - Kraftfahrzeugtürschloss - Google Patents

Kraftfahrzeugtürschloss Download PDF

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Publication number
EP2925944B1
EP2925944B1 EP13838069.6A EP13838069A EP2925944B1 EP 2925944 B1 EP2925944 B1 EP 2925944B1 EP 13838069 A EP13838069 A EP 13838069A EP 2925944 B1 EP2925944 B1 EP 2925944B1
Authority
EP
European Patent Office
Prior art keywords
pawl
opening
locking mechanism
catch
vehicle door
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
Application number
EP13838069.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2925944A2 (de
Inventor
Michael Scholz
Holger Schiffer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kiekert AG
Original Assignee
Kiekert AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kiekert AG filed Critical Kiekert AG
Publication of EP2925944A2 publication Critical patent/EP2925944A2/de
Application granted granted Critical
Publication of EP2925944B1 publication Critical patent/EP2925944B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/36—Noise prevention; Anti-rattling means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • 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
    • E05B81/02—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
    • E05B81/42—Cams
    • 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
    • E05B81/90—Manual override in case of power failure
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/108—Lever
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1083—Rigid
    • Y10T292/1092—Swinging catch

Definitions

  • the invention relates to a motor vehicle door lock, with a locking mechanism consisting essentially of catch and pawl, wherein the pawl is equipped with a contact surface for the thereto in the closed state of the locking mechanism fitting catch.
  • Such sudden opening operations are usually caused or caused by the fact that relatively high forces act on the locking mechanism of the motor vehicle door lock or the locking pin caught in the closed state of the locking mechanism. These usually result from one or more door rubber seals, with the help of which an associated motor vehicle door is sealed against a motor vehicle body. When closing the motor vehicle door, the door rubber seal in question is compressed and builds up corresponding restoring forces or a back pressure, which are then released when the locking mechanism is opened.
  • the prior art according to the introductory already referenced DE 10 2009 029 031 A1 operates at this point in the contact area between the pawl and a contour of the rotary latch preferably with a flat surface which forms an angle of 120 ° to 150 ° with a pawl contact surface serving the Dreh fallenverrastung.
  • the locking parts that is essentially the catch and the pawl, are regularly stamped parts made of steel, which can (only) be manufactured with a limited accuracy.
  • those under the DE 10 2009 029 031 A1 described geometric relationships are not always properly implemented in practice.
  • the invention aims to provide a total remedy.
  • the invention is based on the technical problem of developing a motor vehicle door lock of the construction described above and a method for operating a motor vehicle door lock so that the noise is minimized with a simple and functional design.
  • the pawl is assigned a support element that delays the locking opening, so that the catch is moved along the Slides contact surface to a predetermined opening degree along until it is released from the pawl. That is, in the context of the invention, the rotary latch and pawl complete an mutual delayed relative movement with system after an opening of the locking mechanism. For this purpose, the catch slides along the contact surface on the pawl. Only after completion of this path and upon reaching the predetermined opening degree, the pawl is released from the catch, or vice versa.
  • the support element or the (deceleration) contour realized at this point is arranged on a worm wheel.
  • the worm wheel itself is additionally equipped with a locking lever or acted upon such a locking lever.
  • the design is made such that the locking lever and the support element interact in immediate temporal sequence with the pawl.
  • the locking lever usually first releases the pawl. The locking mechanism is then opened.
  • the catch spring assisted or due to the restoring forces
  • rotary latch slides with its edge along the contact surface or circular arc contour, which evades in this process.
  • the delay contour or screw contour on the worm wheel ensures that the hereby interacting boom of the pawl slides along the delay contour and consequently the pawl completes the already described guided movement.
  • the catch can slide with its edge along the contact surface until it leaves the pawl. This is usually only the case when no forces (more) act on the locking mechanism.
  • the design is made such that the predetermined opening degree of the rotary latch corresponds to a substantial freedom of movement of the locking mechanism.
  • any restoring forces of a door rubber seal largely gone. That is, the rotary latch slides within the scope of the invention along the contact surface along until, in the example, the door rubber seal builds up no or at most negligible restoring forces. This ensures the total delaying the locking opening support element. This controls the movement of the rotary latch along the contact surface of the pawl and consequently also the delayed opening of the locking mechanism.
  • the predetermined degree of opening of the rotary latch may belong to an opening movement of perhaps 5 ° to 20 ° of the rotary latch depending on the structural design.
  • the catch characterized in that the catch slides along the contact surface, and seen over virtually the entire range of their opening movement are built up within the restoring forces, the catch learns in the invention a proper guide along the contact surface on the pawl and the catch leaves the pawl only then, when practically no restoring forces to work on the locking mechanism. As a result, a sudden tearing of the power connection between the rotary latch and the pawl is prevented in the invention and thus suppresses any "pop" noise. Because the catch comes from the pawl or the contact surface provided there only then released when no restoring forces (more) attack on the locking mechanism. In this way, the catch performs a smooth as well as sliding guided opening movement along the contact surface of the pawl along.
  • the invention in this context on an additional support element as another design component, it depends on the precise design of the catch as the pawl and their targeted arrangement to each other not (more) to the extent that in the prior art according to the DE 10 2009 029 031 A1 is required. D. h., The design effort compared to the previous approaches is significantly reduced. In addition, manufacturing tolerances of the catch, pawl and lock case are inevitably and can be controlled. In addition, according to the invention, the catch only lifts off the pawl or is lifted when practically no (restoring) forces act on the ratchet. This design can be implemented easily with the help of the support element.
  • the support element is advantageously a contour interacting with a cantilever of the pawl and in particular a delay contour.
  • the contour or delay contour is designed as a screw contour.
  • the contact surface is typically an arc contour.
  • a circular arc contour has been found to be particularly favorable.
  • Such a circular arc contour advantageously has a radius which essentially corresponds to the distance of the contour from an axis of rotation of the pawl.
  • the radius of the contour or contact surface of the pawl corresponds substantially to the distance from the axis of rotation.
  • the pawl perform an opening movement about its axis of rotation.
  • This opening movement corresponds to the fact that the contour and in particular the circular arc contour describes a circular arc for the rotary catch sliding along it.
  • This arc is equipped in the opening direction of the pawl with a growing radius.
  • the catch usually abuts one edge on the contour in question and slides with this edge along the circular arc contour, and regularly in an opposite direction of movement compared to the pawl.
  • the movement of the rotary latch is thereby altogether initiated by an associated spring biasing the rotary latch in the opening direction, and in particular the restoring forces of the door rubber seal.
  • the worm wheel with the advantageously arranged locking lever and the delay contour is typically acted upon by a drive for electrical opening.
  • the drive ensures that the previously described immediate temporal sequence of initially the locking lever and then the support element is maintained, which interact successively with the pawl.
  • the drive can ultimately control the delayed opening of the locking mechanism via the speed of the worm wheel acted upon by it.
  • a motor vehicle door lock is shown that may be formed as a motor vehicle side door lock. As a rule, however, it is a motor vehicle tailgate lock.
  • the vehicle door lock in question is equipped with a locking mechanism 1, 2 consisting essentially of a rotary latch 1 and a pawl 2.
  • the pawl 2 has a contact surface 3 for the thereto in the closed state of the locking mechanism 1, 2 adjacent rotary latch 1.
  • the contact surface 3 is formed in the embodiment as a sheet contour and in particular circular arc contour 3.
  • the pawl 2 is mounted about a rotation axis 4.
  • the axis of rotation 4 is defined by a pin or bearing pin for rotatably receiving the pawl 2 relative to an associated lock case 5, as shown in the Fig. 2 can be seen.
  • the contact surface or circular arc contour 3 has evidently the Fig. 1 and in the opening direction of the pawl 2, ie in the present case during a rotation of the pawl 2 about the rotation axis 4 in a clockwise direction (see the arrow in FIG Fig. 1 ), over a growing radius that increases from a length a to a comparatively greater length b.
  • one of the pawl 2 associated support member 6 is now also realized.
  • This the pawl 2 associated support member 6 provides a delayed locking opening. That is, with the aid of the support member 6 prevents the pawl 2 is suddenly lifted from the catch 1 at an opening of the locking mechanism 1, 2, so that the rotary latch 1 as a result of this spring assisted or acted upon by restoring forces of the door rubber seal opens and a previously captured locking pin 7 releases.
  • the delayed with the help of the support member 6 locking opening ultimately ensures that the catch 1 slides along the contact surface 3 to a predetermined opening degree.
  • This degree of opening corresponds to an opening angle ⁇ , which sweeps the rotary latch 1 in this process and in the Fig. 1 indicated by dash-dotted lines.
  • the rotary latch 1 slides in the context of the variant according to the Fig. 1 with an edge 8 along the contact surface 3.
  • the pawl 2 moves at the same time in the opposite direction, ie performs a clockwise movement in the opening sense about the associated axis of rotation 4.
  • the rotary latch 1 moves in a clockwise direction.
  • the rotary latch 1 covers during the described delayed locking opening the associated opening angle ⁇ , as shown in the Fig. 1 is indicated.
  • the opening angle ⁇ may assume values of 5 ° to 20 °.
  • the opening angle ⁇ of the rotary latch 1, as it is swept by the rotary latch 1 in the course of the delayed opening of the locking mechanism 1, 2, corresponds to a predetermined opening degree of the rotary latch 1 and consequently also an associated motor vehicle door and not shown.
  • an opening s, as in the Fig. 1 is indicated. This opening travel s corresponds to the opening angle ⁇ or the predetermined opening degree of the rotary latch 1 in the course of the delayed opening of the locking mechanism 1, 2.
  • the respective restoring forces F are in the Fig. 1 indicated by a force arrow and act here in such a way that they act on the locking pin 7 in a direction of force to the left.
  • the restoring forces F work on the rotary latch 1 in such a way that it is acted upon about its axis 9 in the clockwise direction or the torques mentioned in the introduction to the description are observed.
  • these restoring forces F ensure that upon an opening of the locking mechanism 1, 2 the pawl 2 pivots away directly from the rotary latch 1 and the rotary latch 1 performs the indicated opening movement.
  • the rotary latch 1 complies according to the invention, initially by the angle ⁇ , as already described. Belongs to this pivotal movement of the rotary latch 1, that the associated edge 8 slides on the contact surface 3 of the pawl 2 along.
  • the support element 6 is a contour or delay contour 6 that interacts with a bracket 10 of the locking pawl 2.
  • the support element or the delay contour 6 is in the exemplary embodiment a worm wheel 11 is arranged.
  • On the worm wheel 11 in the present case operates a drive 12, 13, by means of which the locking mechanism 1, 2 can be opened electrically, as will be explained in more detail below.
  • the worm wheel 11 additionally in the Fig. 1 a locking lever 14.
  • the design can also be made such that the worm wheel 11 acts on the respective detent lever 14. Then the locking lever 14 is not supported on or on the worm wheel 11 but thereof independently in the lock case 5. That in the Fig. 2 and 3 shown.
  • the interpretation is such that the locking lever 14 and the support member 6 interact in immediate time sequence with the pawl 2.
  • the drive 12, 13 provides in the embodiment of the Fig. 1 for the worm wheel 11 to open the locking mechanism 1, 2 initially performs a slight movement in the counterclockwise direction about its associated axis 15, as indicated by a local arrow. As a result, the previously blocked pawl 2 is released from the locking lever 14.
  • the rotary latch 1 can roll along with its edge 8 on the contact surface or circular arc contour 3, wherein in this process, the pawl 2 is pivoted clockwise about its axis of rotation 4.
  • this process is controlled or delayed, because after the removal of the engagement of the locking lever 14 with the pawl 2 directly the support element or the delay contour 6 comes into engagement with the arm 10 on the pawl 2.
  • the delayed opening of the locking mechanism 1, 2 corresponds to the boom 10 rolling along the support element or the delay contour 6, so that the pawl 2 as a whole with a predetermined speed by the drive 12, 13 about its axis of rotation 4 in the clockwise direction emotional.
  • the rotary latch 1 completed by the drive 12, 13 controlled opening movement, and ultimately until the locking pin 7 has completed the opening stroke s. Then the boom 10 is released from the support element or the delay contour 6 and can finally swing the pawl 2 completely away from the catch 1, which is then opened spring-assisted and the locking pin 7 completely releases.
  • this process causes the locking lever 14 by means of the Drive 12, 13 is removed from its engagement with the pawl 2, so that in principle the pawl 2 can open about its axis of rotation 4 in the clockwise direction. This opening movement is, however, delayed by the support element or the delay contour 6.
  • a Vorrastklinke 16 is shown, which holds the catch 1 in addition to the pawl 2 in conjunction with the locking lever 14 in the closed state and with the aid of the drive 12, 13 of the rotary latch 1 to the opening of the locking mechanism 1, 2 is pivoted away.
  • the latch 16 is for the functionality described no further meaning, so that will not be discussed in detail.
  • the locking lever 14 for example, starting from the functional position of the Fig. 3A of the pawl 2 mechanically - and not with the help of the drive 12, 13 - lifted and reaches the position after the Fig. 3B ,
  • the pawl 2 can pivot with respect to the (stationary) worm wheel 11, without the pawl 2 interacting with the support element or the delay contour 6.
  • the pawl 2 is based on the functional position Fig. 3A Immediately possible because in this case the pawl 2, as it were pivoted "below” the support member 6 and the delay contour 6 about its axis of rotation 4.
  • the catch 1 is immediately released and the locking mechanism 1, 2 opens, without it comes to the described delayed opening operation of the locking mechanism 1, 2.
  • the electric drive 12, 13 in conjunction with the worm wheel 11 and the support member or the delay contour 6 ensures that the pawl 2 after canceling their latching engagement or that of the latch 16 in the catch 1 directly with the Support element or the delay contour 6 can interact.
  • the pawl 2 performs a controlled by the drive 12, 13 opening movement.
  • the controlled opening movement of the pawl 2 corresponds to the fact that the rotary latch 1 with its edge 8 - also controlled by the drive 12, 13 - on the contact surface 3 of the opening pawl 2 along rolls.
  • the catch 1 and the pawl 2 come free from each other, and that regularly only when no or only slight restoring forces F load the locking mechanism 1, 2.
  • the ratchet 1, 2 is gently opened and the "opening popping" often observed in the prior art is ultimately avoided.

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  • Lock And Its Accessories (AREA)
EP13838069.6A 2012-11-28 2013-11-23 Kraftfahrzeugtürschloss Active EP2925944B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012023236.5A DE102012023236A1 (de) 2012-11-28 2012-11-28 Kraftfahrzeugtürschloss
PCT/DE2013/000703 WO2014082618A2 (de) 2012-11-28 2013-11-23 Kraftfahrzeugtürschloss

Publications (2)

Publication Number Publication Date
EP2925944A2 EP2925944A2 (de) 2015-10-07
EP2925944B1 true EP2925944B1 (de) 2018-09-26

Family

ID=50289326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13838069.6A Active EP2925944B1 (de) 2012-11-28 2013-11-23 Kraftfahrzeugtürschloss

Country Status (10)

Country Link
US (1) US10294700B2 (es)
EP (1) EP2925944B1 (es)
JP (1) JP2016503473A (es)
KR (1) KR102179959B1 (es)
CN (1) CN104956020B (es)
CA (1) CA2901084A1 (es)
DE (1) DE102012023236A1 (es)
MX (1) MX2015006594A (es)
RU (1) RU2015124362A (es)
WO (1) WO2014082618A2 (es)

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DE102014118635A1 (de) * 2014-10-10 2016-04-14 Kiekert Ag Kraftfahrzeugschloss
DE102015110751A1 (de) * 2015-07-03 2017-01-05 Kiekert Ag Kraftfahrzeugschloss
FR3038643A1 (es) * 2015-07-06 2017-01-13 Inteva Products Llc
DE102015122587A1 (de) * 2015-12-22 2017-06-22 Kiekert Ag Kraftfahrzeugschloss mit Drehfallenabstützung
JP7014890B2 (ja) * 2017-08-24 2022-02-01 シャークニンジャ オペレーティング エルエルシー 掃除機用表面クリーニングヘッド
CN110130753B (zh) 2018-02-08 2022-03-15 麦格纳覆盖件有限公司 具备具有滚子掣爪组件的闩锁机构的闭合闩锁组件
US20200115933A1 (en) * 2018-10-11 2020-04-16 Inteva Products, Llc Power release latching system
DE102018125641A1 (de) * 2018-10-16 2020-04-16 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
DE102019123837A1 (de) 2018-10-22 2020-04-23 Kiekert Aktiengesellschaft Kraftfahrzeugschloss
WO2020090928A1 (ja) * 2018-10-31 2020-05-07 株式会社ユーシン ドアラッチ装置
DE102019110253A1 (de) * 2019-04-18 2020-10-22 Kiekert Aktiengesellschaft Türschloss insbesondere Kraftfahrzeugtürschloss

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Also Published As

Publication number Publication date
RU2015124362A (ru) 2017-01-10
EP2925944A2 (de) 2015-10-07
KR20150088838A (ko) 2015-08-03
CA2901084A1 (en) 2014-06-05
DE102012023236A1 (de) 2014-05-28
US10294700B2 (en) 2019-05-21
WO2014082618A2 (de) 2014-06-05
JP2016503473A (ja) 2016-02-04
US20150308165A1 (en) 2015-10-29
MX2015006594A (es) 2015-12-15
CN104956020A (zh) 2015-09-30
CN104956020B (zh) 2017-03-22
KR102179959B1 (ko) 2020-11-18
WO2014082618A3 (de) 2015-03-19

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