EP3394368A1 - Motor vehicle lock with rotary latch support - Google Patents
Motor vehicle lock with rotary latch supportInfo
- Publication number
- EP3394368A1 EP3394368A1 EP16819427.2A EP16819427A EP3394368A1 EP 3394368 A1 EP3394368 A1 EP 3394368A1 EP 16819427 A EP16819427 A EP 16819427A EP 3394368 A1 EP3394368 A1 EP 3394368A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- rotary latch
- vehicle lock
- screw
- support means
- 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
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
- E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
-
- 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
- E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
- E05B77/10—Allowing opening in case of deformed bodywork, e.g. by preventing deformation of lock parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/20—Bolts or detents
- E05B85/24—Bolts rotating about an axis
- E05B85/243—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
- 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
Definitions
- the invention relates to a motor vehicle lock comprising a rotary latch and a pawl for locking the rotary latch.
- An initially mentioned lock comprises in particular a metallic lock plate or a metallic lock case with a lock plate with a locking mechanism mounted thereon or with the rotary latch and the detent pawl.
- the lock plate is usually provided with an inlet slot through which a locking bolt of a vehicle door or door can enter the motor vehicle lock to the rotatably mounted catch of the catch in an inlet slot of the catch, which is usually by a tentacle and a load arm is formed, recorded and held by locking the pawl with the catch.
- the rotary bearing of the rotary latch which allows rotation of the rotary latch to the rotary latch axis, is often realized by a riveted to the lock plate axis of the rotary latch or shaft.
- the rivet head may break off.
- the axis of the catch or the shaft can tilt out of the orthogonal to the lock plate position.
- the pivot bearing overload and / or tilting the circular bore of the pivot bearing or at the riveting by the lock plate can be expanded to a slot, which can lead to a translational displacement of the rotary latch.
- the document DE 10 2009 029 025 A1 discloses a motor vehicle lock with a bolt 10 fastened to the lock box wall 16 for supporting the rotary latch in the event of a crash. However, it can basically lead to a deformation of the lock case wall in the event of a crash.
- Document DE 20 2014 105 876 U1 discloses a motor vehicle lock reinforced by means of a blocking element 50 which connects a plurality of axles 76, 78 and has a boom 52 which deforms inwards in the event of a crash in order to block the catch 38. Due to the deformation of the axles in the event of a crash, however, the reinforcing effect is limited by the blocking element 50.
- a motor vehicle lock comprising a rotary latch and a pawl for locking the catch in a locking position, in particular main detent position, and a lock plate and / or a lock case with a screw for attaching the motor vehicle lock to a vehicle door or vehicle door
- said Rotary latch comprises a support means which is such that in the latching position, in particular the main latching position, in case of overload, the rotary latch can be supported by the support means at the screw point.
- a lock case is in a simplest form a lock plate with an upright wall or lock case wall.
- a lock plate and a lock case are usually made of metal or a metal sheet.
- a lock case can be produced by punching and bending a steel sheet.
- the detent position may be a pre-detent position, a main detent position or any other detent position provided.
- a bolting point usually comprises at least one Anschraubö réelle for connecting the lock plate to the body of a motor vehicle, ie in particular with a motor vehicle door.
- the invention is based on the finding that the connection of the usually metallic lock plate with the vehicle door by screwing is a particularly robust and often even the most mechanically stable connection of the motor vehicle lock. Therefore, allows a rotary latch, which can be supported in an overload on a support means at a screw, even in a crash particularly reliable to prevent unwanted opening of the motor vehicle lock and thus an unscheduled opening a door or flap of a vehicle in detent position, especially main detent position. This security can be achieved even with reduced sheet thickness of the lock plate.
- a screw point is in this way a double function, namely the connection of the motor vehicle lock with the vehicle and the support of the rotary latch.
- a screw-on point is generally located closer than, for example, a lock case wall, as a result of which a support which is particularly close to the rotary latch can be achieved. A particularly reliable and safe motor vehicle lock can thus be provided.
- the rotary latch forms a support projection as the support means.
- the support projection is in particular materially connected to the rotary latch.
- the rotary latch and the support projection are preferably made of a single piece of material, in particular by plastic injection molding.
- the rotary latch including the support projection are basically made of plastic.
- a breaking out of the pivot bearing or an undesirable change in the position of the rotary latch with the risk of releasing the locking and the unplanned leaving the detent position, in particular the main detent position, can be counteracted so particularly effective.
- the support means or the support projection in the latching position, in particular the main latching position, in the immediate vicinity of the Anschraubddling Immediately in spatial proximity means that a screw point facing surface of the support means of the surface of the screw point, which faces the support means, are arranged spaced from each other in immediate spatial proximity without intermediate parts of the motor vehicle lock.
- the support means or the support projection preferably touches the screw point only when the axis of the rotary latch or the pivot bearing is deformed due to excessive forces.
- the distance between screw-on and support means or support projection is then chosen so that the axis of the catch and the pivot bearing deform only slightly under load, but not tilt, break or loosen or solve the lock plate.
- a lateral support - viewed laterally in the plane of rotation of the catch - the catch reaches against the screw point, which in case of overload, for example in a crash or under extreme load, for example, in a side impact accident derives the forces acting on the catch on the locking bolt forces on the screw point.
- the screw-on point is designed as a wrapping opening projecting from the lock plate.
- the lock plate can be part of a lock case as described above.
- a lock plate basically extends flat and essentially flat. Protruding from the lock plate therefore means in the direction above the lock plate or substantially orthogonal to the plane of the lock plate.
- Ummantellung a Anschraubö réelle can be a cylindrical, conical and / or funnel-shaped in particular by pressing, punching, deep drawing or forming generated and extending from the lock plate upwardly extending part of the lock plate, which surrounds the Anschraubö réelle or forms.
- An Anschraubö réelle is preferably a through hole and serves the Passing a screw.
- a Anschraubö réelle be designed with or without thread, preferably in a cylindrical part.
- a bolt is typically driven from the vehicle body side through a bore in the vehicle body, e.g. Vehicle door, and then inserted through the Anschraubö réelle and bolted.
- the Anschraubö réelle is filled by the screw, so that in the event of a crash, the Ummantellung can be supported on the screw, which is regularly dimensioned dimensionally stable for overload situations and is guided and held by the vehicle body and the Anschraubö réelle or sheath. Therefore, the casing is particularly dimensionally stable in the event of a crash.
- the guide length for the screw is increased and created a particularly stable seat for the screw.
- the standing provides a sufficient stop contour for supporting the support means.
- a cylindrical sheath or a cylindrical part of the sheath allows an increased guide length and is particularly suitable for introducing a thread.
- a conical casing or a conical part of the casing allows a mechanically particularly effective load dissipation can contribute to a particularly high stability of the screw.
- the cone shape simplifies installation by simplifying threading the screw.
- a funnel shape or an inverted funnel shape seen from the lock plate combines the advantages of the cylinder shape and conical shape described above with the additional effect that a particularly large stop surface for the stop means can be provided.
- a particularly reliable and stable support of the catch can be made possible.
- the support means may in particular be partially or completely supported on a screw at the screw point.
- the support means is adapted to an opposite contour of the screw-on and / or has a corresponding contour.
- the support means is shaped so that the support means does not slide off at the screw point. Not adapted, for example, would be a spear-shaped support means for supporting on a spherical shape.
- a contour of the support means corresponding to the screw point means a parallel contour, in particular as viewed from the rotary latch axis in the direction of the screw point parallel to the plane of the lock plate.
- a corresponding contour allows a maximum flat contact line or contact surface, ie contact line or contact surface, when supporting and thus a particularly reliable and stable support.
- the shortest distance or a gap width between the support means and the attachment point is at least a quarter, preferably a half, and / or at most twice, preferably the simple, the sheet thickness or thickness of the lock plate.
- the shortest distance or a gap width between the support means and the attachment point is at least 0.3, preferably 0.5 mm, and / or at most 3 mm, preferably at most 2 mm.
- Breakage, tilting or failure of the axis of the catch or the pivot bearing can thus be avoided and at the same time a smooth normal operation - ie at normal load - be ensured in which the support means does not collide with the attachment point or touched.
- the support means or the support projection is arranged on the load arm of the rotary latch.
- the function of a conventional load arm of a rotary latch will be described in more detail below.
- the load arm is in detent position, in particular the main detent position, between the locking pin and the inlet of the inlet slot of the lock plate and thus holds the firing pin in the inlet slot of the catch, so in the motor vehicle lock firmly.
- centrifugal force usually acts on a vehicle door or flap in the opening direction of the vehicle door or flap, so that the locking bolt in the direction of the entrance of the inlet slot of the lock plate experiences a force which is generally greater than the normal force in daily normal operation.
- the support means or the support projection is arranged so exactly on the part of the rotary latch, so the load to be supported arises or is introduced into the rotary latch.
- the support means or the support projection is laterally - preferably viewed in the plane of rotation of the rotary latch - arranged on the load arm.
- a supporting force can be derived from the catch particularly effective and with very little deformation.
- the support means extends radially or substantially radially to the rotary latch axis of the rotary latch.
- An extension of the support means in the direction of an overload can be realized as a particularly effective support with a particular slim support means.
- the radial extent of the support means corresponds to at least 0.5 times, preferably 0.8 times, and / or at most 2.0 times, preferably 1.5 times, preferably 1.2 times, of the support means Diameter of screw-on opening. A particularly great robustness and deformation stiffness in support can be made possible.
- the support means extends on a radial side arcuately in the circumferential direction of the rotary latch axis. Turning the catch in normal operation without colliding with the screw point can be ensured.
- the support means extends on a radial side arcuately in the circumferential direction to the rotary latch axis with an extent in the circumferential direction of at least 1, 0-fold and / or at most 2.0 times the diameter of the Anschraubö réelle or Ummantellung. A particularly great robustness and deformation stiffness in support can be made possible.
- a thickness of the support means is less than a thickness of the rotary latch.
- the thickness of the support means corresponds to at least 0.5 times, preferably 0.7 times, more preferably 0.9 times the Thickness of the catch, in particular a maximum thickness over the entire catch considered.
- Thickness is to be measured especially in the direction of the rotary latch axis.
- Such a thick support means can provide sufficient support for overload while reducing material usage and weight.
- the screw-on point is located on one side of a rotary latch axis, which faces an input of an inlet slot of the lock plate. This allows a particularly effective support for receiving overload and centrifugal forces, which are transmitted via a locking pin on the rotary latch or the load arm of the catch.
- a rotary bearing of the rotary latch or an axis of the rotary latch is realized or supported by a rivet connection with the lock plate.
- Axis of the rotary latch means a representational, substantially cylindrical axis in contrast to the rotary latch axis, which refers only to the geometric axis of the axis of the rotary latch in the present application.
- An axis of the rotary latch or a pivot bearing can be suspended by a rivet connection with very little effort or connected to the lock plate.
- a Ausknöpfen or failure of the rivet connection with provision of a particularly small sheet thickness of the lock plate can be avoided by the support means according to the invention.
- the lock plate or a lock case are made with the lock plate made of sheet metal, which preferably has a sheet thickness of at most half, preferably at most one third, even more preferably at most a quarter of the thickness of the rotary latch.
- a sheet thickness of at most 2 mm, preferably, 1, 5 mm are provided.
- Figure 1 representation of the interior of a motor vehicle lock in
- FIG. 2 side view of the supporting projection and screwing point in FIG
- Figure 3 Schematic representation of a plan view of the lock plate from the inside in the main rest position
- the motor vehicle lock shown comprises a metallic lock case with a lock plate 3 and a lock case wall 12, which was created by bending one end of the lock plate 3 or was connected as a separate part with the lock plate 3.
- the locking mechanism with the catch 1 and the pawl 2 is mounted on the lock plate 3.
- the rotary latch 1 has an axis (not shown) of the rotary latch, which is connected in particular as the pawl 2 with a rivet connection with a rivet head 13 with the lock plate 3, wherein the rivet head 13 on an outer side of the lock plate 3 has a larger diameter than a Bore - which is covered in Figure 4 by the rivet head 13 - at the Nietstelle, behind which, in turn, preferably the axis is, which in principle also has a larger diameter than the bore.
- a pivot bearing for the rotary latch 1 and / or the pawl 2 is realized particularly easily in this way.
- the lock plate 3 is provided with an inlet slot 10 of the lock plate 3, through which a locking pin 14 (FIG.
- the rotary latch 1 of the motor vehicle lock usually has a load arm 8 and a catching arm 9, which together form a fork-shaped inlet slot of the rotary latch 1, into which a locking bolt 14 of a vehicle door or flap, for example bonnet or boot lid, passes when passing the inlet slot 10 of the lock plate 3 when the vehicle door or flap is closed.
- the locking bolt 14 then rotates the rotary latch 1 from an open position (FIG. 4) into a closed position (FIGS. 1 to 3). Does the catch 1 the Closed position, it is locked in this position on the pawl 2.
- the locking pin 14 can not leave the inlet slot of the rotary latch, because the load arm 8 blocks the way. This detent position is called main detent position.
- the motor vehicle lock has a second latching position, namely the so-called pre-latching position.
- the pre-detent position serves to intercept the corresponding door or flap if it does not reach the main detent position when closing.
- the catch 1 In the Vorrasts republic the catch 1 is therefore not completely closed, however, an opening movement of the catch 1 is already prevented by a pawl 2. Therefore, the area of the rotary latch 1, which receives the pawl 2 in this position, referred to as a pre-detent.
- the catch 1 is completely closed.
- the pre-restraint thus represents a transition state between the opened state and the main rest and is provided for safety reasons.
- the motor vehicle lock has a blocking lever (not shown) in addition to the pawl for holding the pawl 2 in the main latching position.
- the relative position between the rotary latch 1 and pawl 2 is not formed so that the force exerted by the catch 1 force passes through the pawl rotation axis 15 and thus an independent fixation of the catch 1 by means of the pawl 2 is made possible.
- the pawl 2 is formed or arranged so that the force exerted by the catch 1 force causes a torque in the pawl 2, which favors the release of the catch 1.
- the rotary latch 1 causes an opening moment with respect to the first pawl 2, so that it can be easily moved to the open position due to the spring bias of the rotary latch 1.
- the blocking lever is provided to the pawl 2 in the locked position festzutag, so that in particular positional shifts with respect to the locking mechanism - for example, by squeezing the door seals, driving and the like - cause no opening of the lock unit or no release of the contact of pawl 2 and rotary latch 1. This blocks the "self-opening mechanism" of the locking mechanism so that the lock can be opened with very little effort.
- the outer contour of the supporting projection 5 is adapted to the contour of the funnel-shaped casing 6 of the screw-on point 4, so that the largest possible contact surface and thus even load distribution can be achieved.
- the orthogonal to the lock plate oriented portion of the outer contour of the Abstützvorsprungs 5 ensures a reliable stop against the cylindrically shaped part of the casing 6 of the screw 4 so that the support projection 5 does not slide on a support on the sheath 6.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015122587.5A DE102015122587A1 (en) | 2015-12-22 | 2015-12-22 | Motor vehicle lock with rotary latch support |
PCT/DE2016/100560 WO2017108024A1 (en) | 2015-12-22 | 2016-11-30 | Motor vehicle lock with rotary latch support |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3394368A1 true EP3394368A1 (en) | 2018-10-31 |
Family
ID=57680029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16819427.2A Pending EP3394368A1 (en) | 2015-12-22 | 2016-11-30 | Motor vehicle lock with rotary latch support |
Country Status (6)
Country | Link |
---|---|
US (1) | US11371267B2 (en) |
EP (1) | EP3394368A1 (en) |
JP (1) | JP6816867B2 (en) |
CN (1) | CN109496247B (en) |
DE (1) | DE102015122587A1 (en) |
WO (1) | WO2017108024A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019112525A1 (en) * | 2019-05-14 | 2020-11-19 | Kiekert Aktiengesellschaft | Door lock, in particular motor vehicle door lock |
DE102020100146A1 (en) * | 2020-01-07 | 2021-07-08 | Kiekert Aktiengesellschaft | Motor vehicle lock |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
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GB1296556A (en) * | 1969-02-13 | 1972-11-15 | ||
FR2372299B1 (en) * | 1976-11-30 | 1979-03-23 | Cerdan Jacques | |
FR2439284A1 (en) * | 1978-10-18 | 1980-05-16 | Peugeot Aciers Et Outil | VEHICLE DOOR LOCK |
US4756563A (en) * | 1986-08-11 | 1988-07-12 | General Motors Corporation | Vehicle door latch |
JPH05156854A (en) * | 1991-12-02 | 1993-06-22 | Mitsui Mining & Smelting Co Ltd | Vehicle door locking device |
US6880866B2 (en) * | 2000-02-25 | 2005-04-19 | Intier Automotive Closures Inc. | Vehicle door latch |
US6471260B1 (en) * | 2001-08-06 | 2002-10-29 | The Eastern Company | Rotary latches with enhanced service longevity |
DE10200551A1 (en) * | 2002-01-09 | 2003-07-10 | Bosch Gmbh Robert | Vehicle lock assembly has swivel locking hook and closing wedge with stops and stop faces with holding force between wedge and hook generating torque in closing direction |
US6886222B2 (en) * | 2002-07-12 | 2005-05-03 | Southco, Inc. | Momentum lockout detented-dampened hinge |
GB0321909D0 (en) * | 2003-09-19 | 2003-10-22 | Arvinmeritor Light Vehicle Sys | Latch bolt |
DE202005020452U1 (en) | 2005-12-29 | 2007-05-16 | Kiekert Ag | Motor vehicle door lock |
JP2007270573A (en) * | 2006-03-31 | 2007-10-18 | Aisin Kiko Co Ltd | Vehicular door locking device |
JP4795188B2 (en) * | 2006-10-02 | 2011-10-19 | 三井金属アクト株式会社 | Door lock device |
FR2916788B1 (en) * | 2007-06-01 | 2013-02-15 | Valeo Securite Habitacle | ELECTRIC LOCK WITH CLOSURE ASSIST FOR OPENING OF A MOTOR VEHICLE |
KR100957103B1 (en) * | 2008-06-30 | 2010-05-13 | 현대자동차주식회사 | Door latch apparatus for vehicles |
DE102008063489A1 (en) * | 2008-12-17 | 2010-06-24 | Kiekert Ag | Device for a motor vehicle lock |
DE102009029025A1 (en) | 2009-08-31 | 2011-03-03 | Kiekert Ag | Motor vehicle lock with power transmission to the lock case |
DE102009029014A1 (en) | 2009-08-31 | 2011-03-03 | Kiekert Ag | Motor vehicle lock |
DE102009050077B4 (en) * | 2009-10-05 | 2022-11-17 | Magna BÖCO GmbH | vehicle lock |
US20110133491A1 (en) * | 2009-12-08 | 2011-06-09 | Perkins Donald M | Vehicle door latch |
DE102010063868A1 (en) * | 2010-12-22 | 2012-06-28 | Kiekert Ag | Reinforced motor vehicle lock |
US9422754B2 (en) * | 2011-01-31 | 2016-08-23 | Kiekert Ag | Motor vehicle door lock |
JP5930273B2 (en) | 2011-12-02 | 2016-06-08 | 三井金属アクト株式会社 | Door latch device for automobile |
DE102012023236A1 (en) * | 2012-11-28 | 2014-05-28 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
DE102012023261A1 (en) * | 2012-11-29 | 2014-06-05 | Kiekert Aktiengesellschaft | Motor vehicle lock |
US10041279B2 (en) * | 2013-09-18 | 2018-08-07 | Brose Schliesssysteme Gmbh & Co. Kommanditgesellschaft | Motor vehicle lock |
US9631402B2 (en) | 2013-12-17 | 2017-04-25 | Ford Global Technologies, Llc | Door latch assembly |
DE102013114301A1 (en) * | 2013-12-18 | 2015-06-18 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
US9879449B2 (en) * | 2014-01-03 | 2018-01-30 | Inteva Products, Llc | Vehicle latch assembly and method of dampening sound during a closing process of the vehicle latch assembly |
DE102014115704A1 (en) * | 2014-08-27 | 2016-03-03 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
JP6413147B2 (en) * | 2014-12-19 | 2018-10-31 | 三井金属アクト株式会社 | Vehicle door latch device |
DE102016218299A1 (en) * | 2015-09-29 | 2017-03-30 | Magna Closures S.P.A. | One-motor locking arrangement with power-tightening and power-unlocking with a soft opening function |
-
2015
- 2015-12-22 DE DE102015122587.5A patent/DE102015122587A1/en active Pending
-
2016
- 2016-11-30 JP JP2018532570A patent/JP6816867B2/en active Active
- 2016-11-30 US US16/065,154 patent/US11371267B2/en active Active
- 2016-11-30 EP EP16819427.2A patent/EP3394368A1/en active Pending
- 2016-11-30 WO PCT/DE2016/100560 patent/WO2017108024A1/en active Application Filing
- 2016-11-30 CN CN201680075335.7A patent/CN109496247B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN109496247B (en) | 2021-03-16 |
US20190003212A1 (en) | 2019-01-03 |
WO2017108024A1 (en) | 2017-06-29 |
JP6816867B2 (en) | 2021-01-20 |
CN109496247A (en) | 2019-03-19 |
DE102015122587A1 (en) | 2017-06-22 |
US11371267B2 (en) | 2022-06-28 |
JP2019502846A (en) | 2019-01-31 |
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