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
  • E05B81/15—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt with means preventing the detent to return to its latching position before the bolt has moved to the unlatched position
• • 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
  • E05B77/38—Cushion elements, elastic guiding elements or holding elements, e.g. for cushioning or damping the impact of the bolt against the striker during closing of the wing
• • 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
  • E05B81/56—Control of actuators
  • E05B81/62—Control of actuators for opening or closing of a circuit depending on electrical parameters, e.g. increase of motor current
• • 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
  • E05B2015/0458—Leaf springs; Non-wound wire springs
• • 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
  • E05B2015/0496—Springs actuated by cams or the like

Definitions

• the invention relates to a locking system for a door or flap of a motor vehicle comprising a locking mechanism for securing a closed door or flap.
• a drive for automatic opening of the locking mechanism is often provided.
• a locking bolt for example, the vehicle body is held by a catch of the locking mechanism in the rule, wherein the catch is in turn held by a pawl.
• a component such as a worm gear is then motorized to open the ratchet to pivot, for example, a trip lever or clutch lever, thereby releasing the pawl from its engagement with the catch.
• the catch can then rotate in an opening direction and release the lock pin.
• the pawl does not swing back in a manner that adversely affects a next closing operation, for example, a storage lever can be provided to hold the pawl directly or indirectly in a raised position.
• the rotary latch can then turn as planned through the captured locking pin into the locking position and latch there with the pawl, so that the locking mechanism assumes the closed state.
• microswitches are usually provided which detect an end position of the moved component, so that the drive is automatically switched off when the end position is reached. If no microswitches are provided,
• stops can be used, but these can lead to unwanted noise and a relatively inaccurate end position.
• a locking system for a door or flap of a motor vehicle comprising a locking mechanism for securing a closed door or flap, wherein a rotation element is provided for an actuating unit for triggering the locking mechanism.
• the locking mechanism comprises a locking element and the locking system is set up so that during a rotational movement of the rotation element, the locking element and the rotation element can strike against each other in order to stop the rotation element.
• a spring element is provided for the attacks.
• Triggering the locking means the release of the locking mechanism, in particular the locking of the catch and pawl for releasing a locking bolt.
• a spring element which is provided for the abutment thus provides a stop surface which abuts against another abutment surface during abutment, i. touched directly under mechanical force interaction.
• a particularly low-noise stopping of the rotational movement of the rotary element can be realized.
• a particularly low wear of the stop surfaces can also be achieved.
• Particularly advantageous, moreover, a particularly accurate stopping of the rotary member in a defined position can be made possible, without requiring a microswitch, for example, which can consequently be saved.
• An adjusting device preferably has a drive, in particular with an electric motor, and is capable of automatically opening the locking mechanism.
• the drive comprises a worm gear with a worm wheel.
• the rotation element is a worm wheel.
• a pawl In the closed state of the locking mechanism, a pawl is preferably latched with a catch in a latching position after the catch has received a locking bolt, for example, the vehicle body.
• the rotation element for opening the locking mechanism can pivot a release lever or clutch lever, which in turn can release the pawl from its catch with the catch.
• the rotation element for the pivoting of the release lever or coupling lever has a projection which extends in particular in the axial direction. The catch released from the pawl can turn into a Turn the opening direction and release the locking pin so that the door or flap can be opened.
• the pawl does not swing back in a manner that adversely affects a next closing operation
• a storage lever can be provided to hold the pawl directly or indirectly in a raised position.
• the rotary latch can then turn as planned through the captured locking pin into the locking position and latch there with the pawl, so that the locking mechanism assumes the closed state.
• the actuator may be part of a central locking system in one embodiment.
• a locking system can be designed with a central locking system and in particular with an electronic control unit.
• a central locking lever may be designed so that an actuation of an actuating lever or Trentsgriffes leads to an idle stroke when the central locking lever is in a locking position.
• the spring element is band-shaped and / or has the shape of a curved strip, in particular a strip bent in the longitudinal direction.
• a flat stop surface can thus be provided particularly simple and the impact forces are evenly distributed during attacks.
• the thickness is small compared to the width and length.
• the length is greater than the width.
• the width is at least eight times the thickness and / or the length at least three times or four times the width.
• Preference is given to the free length, which is not embedded or cast, for example, turned off.
• a strip or a band-shaped spring element in the non-bent state are in particular rectangular and / or have no projections or depressions. It is in one embodiment in the spring element merely around an orthogonal to the longitudinal separation separated strip piece, for example, from a band. To produce the spring element, the strip piece can be bent. The longitudinal extent may therefore deviate from a straight line and, for example, extend arcuately.
• the spring element made of sheet metal, steel or a spring band.
• the spring element is a band spring.
• the spring element is a leaf spring.
• the locking system can be provided with very low production costs.
• the spring element is bent in a U-shape and / or has two legs. Due to the U-shape can be provided particularly reliable a flat stop surface for flat attacks with another stop surface, wherein the stop surface provided by the U-shape can elastically spring approximately perpendicular to the stop surface. A particularly even cushioning during attacks can be made possible.
• a limiter for the spring travel between the two legs can be formed or provided in a particularly simple manner, which likewise permits a flat and uniform reception of a correspondingly widely deflected leg.
• the two legs are two opposite, elongated end portions of an elongated, in particular strip-shaped spring element.
• the spring element is integrated in the ratchet element and / or has a leg integrated in the ratchet element.
• the spring element can be provided so particularly reliable for the attacks.
• the integrated leg is preferably completely integrated in the locking element, for example by molding in the context of injection molding of the locking element or a part thereof.
• the spring element with the integrated leg in the Locked or embedded locking element for example by clamping or gluing.
• one of the two legs is a free leg and / or the two legs of the spring element form an acute angle to one another.
• a free leg allows a particularly elastic and uniform cushioning of a shock in the mutual abutment of the locking element and rotation element.
• the free leg provides the abutment surface for the abutment.
• An acute angle between the two legs permits alignment of the free leg such that a stop surface provided by the free leg at the moment of striking another stop surface is parallel or at least approximately to the other stop surface.
• an elastic springs can be realized with a limited travel.
• An acute angle also allows a particularly deep integration of the integrated leg, so that impact forces can be particularly reliably absorbed, for example, by the locking element.
• a limiter for the free leg is provided to limit deflection of the free leg. It can be particularly easily avoided that the free leg is deflected beyond an elastic range and the spring element plastically deformed.
• the locking system is set up such that the spring element is embodied-in particular so stiff-that the free limb does not touch the limiter when, during a rotational movement of the rotation element, the locking element and the rotation element strike against one another in order to stop the rotation element.
• a particularly elastic and quiet Stopping with very little wear can thus be made possible. Since the rotational movement to open the locking generally always takes place in the same way, especially when using a drive preferably with an electric motor, in the free leg is always loaded and deflected in the same manner during attacks. A particularly precise stopping of the rotation element can thus be made possible.
• Deflection of the spring element means a movement of the spring element or of the free leg out of a starting position, in which the spring element or the free leg is unloaded and in the stationary state is in mechanical equilibrium.
• the rotation element is driven by a self-locking gear and / or is part of a self-locking gear.
• a deflected by the attacks spring element can then cause no turning back of the rotary member in the opposite direction due to the self-locking.
• a self-locking gear can not be moved on the output side or turned back basically.
• the spring element thus remains in the deflected position.
• the deflected position depends on the force exerted on the spring element during the abutment. The higher this force, the greater the deflection. The smaller the force, the smaller the deflection.
• the transmission is set up so that the rotation element can only be rotated in one direction, that is, a reverse rotation during operation is not possible.
• the rotation element is a worm wheel and / or the locking system comprises an adjusting unit with a worm gear and / or Electric motor.
• the self-locking effect described above can be made particularly simple.
• the locking system is set up such that the spring element is designed in such a way that the free limb contacts the limiter according to plan or abuts against the limiter when the locking element and the rotation element strike against each other during a rotational movement of the rotation element Stop rotation element.
• a particularly precise and reproducible stopping of the rotary element can thus be made possible.
• the stopping position is particularly simple and reliable determined by the arrangement of the limiter. Due to the elastic springing from the starting position to the limiter, a particularly quiet stop is made possible.
• Another aspect of the invention for solving the problem set concerns a locking system for a door or flap of a motor vehicle comprising a locking mechanism for securing a closed door or flap, with a movable component, in particular a rotation element, and a stop for limiting movement, in particular a rotational movement, the movable component, wherein the stop comprises a spring element and a limiter for the spring travel of the spring element.
• the limiter is arranged between the two legs and / or spaced in a starting position of the spring element by a gap from the free leg.
• the arrangement of the limiter between the two legs enables a robust and at the same time compact design.
• the gap allows resilient absorption of impact forces without Preferably, the gap width of the gap is about as large as or greater than the thickness of the spring member and / or at most three or five times as large as the thickness of the spring blank.
• the limiter is made of a different material than the spring element. Noises in a collision can be avoided particularly effectively.
• the limiter made of plastic and / or the spring element made of metal.
• the locking element on the spring element, so that when striking the spring element and the rotation element can strike against each other. Before the attacks thus the spring element remains unaffected by the rotational movement and is particularly reliable ready in the starting position for the attacks.
• the ratchet comprises a catch and a pawl for locking the catch in a latching position in a closed state of the ratchet.
• the catch generally serves to receive a latch bolt and a pawl for holding the catch with the recorded latch bolt in the closed state of the locking mechanism by locking with the catch in the latching position.
• a locking mechanism is set up so that the locking pawl is released from the catch by a scheduled actuation of the locking mechanism by the user so that the three drops can release the locking bolt again.
• a release lever and / or an actuating lever is provided to trigger the locking mechanism.
• An actuating lever which can be actuated from the inside or outside by the user, can pivot the trigger lever via a linkage, a Bowden cable and / or an actuating unit.
• the release lever can be used to open the locking mechanism to release the blocking lever and / or the pawl from its locking position in the closed state of the locking mechanism.
• the locking system comprises in particular a motor vehicle lock with the locking mechanism.
• the motor vehicle lock preferably comprises a lock plate made of metal or a metallic lock case with the lock plate, wherein on the lock plate or in the lock case, the locking mechanism is mounted with the catch and the pawl.
• the lock plate usually has an inlet slot through which the locking pin can enter the lock to be taken up by the rotatably mounted rotary latch of the locking mechanism and held by locking the pawl with the catch. Either the locking bolt on the vehicle body and the lock plate or the lock case on the door or flap attached, or vice versa.
• the catch of a motor vehicle lock usually has a load arm and a catching arm, which together form a fork-shaped receiving slot of the catch, into which the striker, in particular when passing the inlet slot of the lock plate arrives when the door or flap is closed. The locking pin then rotates the catch from an open position towards the closed position. If the catch has reached the closed position, it is locked in this position via the pawl.
• the locking pin can not leave the receiving slot of the catch.
• This detent position is called main detent position.
• the locking mechanism on a second Verrastungsposition namely the so-called pre-locking position.
• the catch can then occupy two closed positions and in the pre-locking position and the main detent position of the catch.
• the pre-detent position serves to catch the door or flap for safety reasons when it does not reach the main detent position when closing. Consequently, in the pre-locking position, the catch is not completely closed, but an opening movement of the catch by the pawl is already prevented.
• the pre-rest thus represents a transition state between the open position and the closed position in the main rest position of the rotary latch.
• a latching of the catch by the pawl in the main detent position or pre-detent position generally via corresponding main detent locking surfaces or pre-detent locking surfaces abut each other in the main detent position or pre-detent position to hold the catch in the main detent position or pre-detent position.
• the ratchet has a blocking lever in addition to the pawl for holding the pawl in the main detent position to generally reduce the noise when closing the vehicle door and reduce the required actuating force to trigger, ie loosening or opening, of the locking mechanism.
• the relative position between the catch and the pawl is basically designed such that a force acting on the pawl by the catch in the opening direction induces an opening torque into the pawl, which promotes the release or release of the catch instead of the catch fix.
• the blocking lever thus serves to fix the pawl in the latched position with the catch.
• the force in the opening direction acting from the catch on the pawl is generated by squeezing a rubber seal of the door or flap.
• an opening moment permanently acts on the detent pawl.
• To trigger the locking then releasing the fixation between the blocking lever and the pawl so that the pawl releases the catch and the locking mechanism can open.
• An opening of the lock is possible with very little effort.
• the locking element is a storage lever for holding a release lever, a clutch lever, a blocking lever and / or the pawl in a raised position.
• the storage lever thus receives a double function.
• the pawl can not lock with the catch, the blocking lever does not block the pawl and the release lever does not trigger the ratchet.
• the rotation element has a projection for abutment against the spring element and / or for pivoting the release lever. The projection thus receives a double function.
• the projection is a rib, a cam, a link or a bridge with return.
• the projection on a damping element for abutment against the spring element and / or the damping element is made of plastic. The sounds when attacking can be further reduced.
• Figure 1 Schematic representation of a locking element with a spring element for a stop
• Figure 2 Schematic representation of a locking mechanism of a locking system comprising a locking element with a spring element in particular of FIG. 1.
• FIG. 1 shows a locking element 2, in which a spring element 4 is integrated in the base component 16 of the locking element 2, in particular by integration during a casting or injection molding process for producing the base component or locking element 2.
• the spring element 6 is band-shaped and has the shape a U-shaped bent strip, wherein the free leg 6 and the integrated leg 5 have an acute angle to each other.
• a limiter 7 is provided, which is a survey of the base member 16.
• An air gap or gap 8 separates the limiter 7 from the free leg 6 in an initial position of the free leg 6 and the spring element 4 in the unloaded state.
• a gap limiting surface of the limiter 7 extends flat parallel or slightly angled to the opposite leg surface of the free leg 6 in the starting position, such that both mentioned opposite surfaces of the limiter 7 and the free leg -6 flat surface aufschlag each other when the free leg 6 is sufficiently heavily loaded for a corresponding deflection.
• the region of the locking element 2 with the free leg 6 and the limiter 7 form a stop 10 of the locking element 2.
• the intended loading direction for the spring element 4 and / or the free leg 6 for an abutment is perpendicular or approximately perpendicular to a stop surface 17 of the free leg 6.
• the pointing to the limiter 7 and the gap 8 limiting leg surface is parallel to the abutment surface 17 of the free leg 6.
• the locking element 2 is preferably a storage lever for a locking mechanism, such as shown in Figure 2.
• the locking element 2 has for holding the function of a storage lever on a holding device 18.
• the holding device 18 is used for direct holding, in particular supporting, of a coupling lever or release lever 12 shown by way of example in FIG. 2 in an excavated position, that is to say an inactivated state.
• the holding device 18 is used for indirect holding, in particular supporting, of a blockage lever 13 shown by way of example in FIG. 2 and / or a pawl 11 in an excavated position.
• the holding device 18 is preferably a holding arm, preferably with a receiving contour for reliably holding a correspondingly shaped mating contour of a locking component to be held or supported.
• the receiving contour is a particular rounded paragraph.
• a pin can be reliably held or supported therein.
• the locking element 2 also has an interaction contour 19, in particular in the form of an elongated leg.
• the leg preferably has a preferably oblique web which is thickened in the axial direction in relation to the predominantly remaining basic component 16 in order, for example, to be able to interact with a movable component in another plane of rotation.
• the interaction contour 19 can interact with a rotary catch 9 of the locking mechanism, which is shown by way of example in FIG.
• the locking element 2 has a pivot bearing opening 20 which extends in the axial direction.
• the locking element 2 can thus be mounted rotatably about the axial axis of the pivot bearing opening 20.
• the pivot bearing opening 20 is arranged in particular centrally in the base member 16 viewed in plane of rotation.
• the stop 10, the holding device 18 and the interaction contour 19 form a triangle, wherein the pivot bearing opening 20 is in particular substantially centrally in this triangle.
• the intended loading direction for the spring element 4 and / or the free leg 6 for an abutment is radial to the axis of the pivot bearing opening 20th
• FIG. 2 shows the locking mechanism of a closing device in the open state, with some components being hidden for the sake of clarity.
• the stop 10 of the locking element 2 is visible, while the holding device 18 is mainly hidden and the interaction contour 19 is partially hidden.
• the locking mechanism is arranged in a housing 23, wherein the rotatable locking components such as the rotary latch 9, pawl 1 1, the clutch lever or release lever 12, the blocking lever 13 and / or the locking element 2 are rotatably mounted on a lock plate of the housing 23.
• the catch 9 Shown is the catch 9 in an open position.
• the pawl 11, a blocking lever 13 for the pawl 11 and a clutch lever or release lever 12 for the blocking lever 13 are held or supported in the open state by the locking element 2 in a raised position, so that none of said components touches the catch 9.
• the holding device 18 supports an axially projecting pin of the clutch lever or release lever 12 and holds the clutch lever or release lever 12 thereby in the shown excavated position at a distance from the rotary latch 9 away.
• an axially extending pin 21 of the clutch lever or release lever 12 in turn holds the clutch lever or release lever 12, the blocking lever 13 in the shown, excavated position.
• the pawl 11 is held in a comparable manner, in particular by the clutch lever or release lever 12 in the raised position shown.
• the closing device further comprises the rotary element 1, which can be rotated in particular in the direction of the rotational movement 3 shown, in particular in the counterclockwise direction, by a motor, not shown, in the direction of rotation.
• the rotation element 1 is in particular a worm wheel.
• the rotation element 1 is part of a control unit, not shown in detail, in particular with the above-mentioned drive.
• the rotary member 1 has an axial projection 14, which forms a control contour 22, which will be discussed in more detail later.
• the projection 14 serves for abutment against the spring element 4 of the locking element 2.
• a damping element 15 are provided for damping the abutment of the projection 14 with the free leg 6 of the spring element 4.
• the damping element 15 may for example be positively connected to the projection 14 or integrated therein to form the abutment surface of the projection 14.
• the abutment surface of the projection 14 may also be provided by a side wall of the projection 14 itself, which is not shown in Fig. 2.
• the abutment surface of the projection 14 may rest against the free leg 6.
• the locking element is then in a stop position (as shown in Figure 2).
• the spring element 4 is in the open state of the locking mechanism in a deflected position and in particular presses motionless against the movable component or the rotary member 1, that is, the stop surface. Based on the open state of the locking mechanism shown, a closing operation takes place as described below.
• the rotary latch 9 is rotated by a locking pin, not shown, in the direction of its locking position (in Fig. 2 counterclockwise).
• An axially extending pin (hidden in Fig. 2) of the rotary latch 9 abuts by the rotation against the interaction contour 19 and pivots so the locking element 2 and the storage lever (in Fig. 2 counterclockwise) from its stop position.
• the holding device 18 is released from the clutch lever or release lever 12.
• spring force of the clutch lever or trigger lever 12 pivots in the direction of the rotary latch 9, so that the excavated position is left.
• the pawl 1 1 and the blocking lever 13 thereby also leave their excavated positions. Until reaching the detent position, the pawl 1 1 drifts along the rotating rotary latch 9.
• the blocking lever 13 is applied to the pawl 1 1 in a non-blocking position. Once the catch 9 reaches the closed position or latching position, the pawl falls 1 1 in the catch 9 and locked with the catch. The blocking lever 13 follows the incident movement of the pawl and falls into the blocking position for blocking the pawl 1 1 in its rest position. The locking mechanism is now in the closed state.
• the rotary element 1 In order to open the locking mechanism, the rotary element 1 is driven to execute the rotary movement 3 (in the counterclockwise direction in FIG. 2). Since the locking element 2 has been pivoted out of its stop position, the rotation element 1 can rotate freely and the control contour 22 of the projection 14 displace the release lever 12 or pivot for triggering the locking mechanism.
• the trigger lever 12 pivots to the blocking lever 13 from its blocking position.
• the pawl 1 1 can be solved by the catch 9.
• the catch 9 is released and turns into an opening position.
• the locking element 2 pivots in the direction of rotary latch 9 in its stop position, in particular before the abutment surface of the rotary member 1 has the stop surface 17 of the free leg 6 passes.
• the stop 10 can therefore the Rotation element 1 are stopped precisely and quietly in a defined position by the abutment against each other.
• the locking mechanism is now in the open state again as shown in Figure 2. LIST OF REFERENCE NUMBERS

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• Lock And Its Accessories (AREA)

Applications Claiming Priority (2)

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ID=65763226

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• 2018
  • 2018-01-18 DE DE102018101074.5A patent/DE102018101074A1/de active Pending
• 2019
  • 2019-01-18 JP JP2020539094A patent/JP2021511456A/ja active Pending
  • 2019-01-18 WO PCT/DE2019/000011 patent/WO2019141307A1/de unknown
  • 2019-01-18 EP EP19710588.5A patent/EP3740632A1/de not_active Withdrawn

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