EP1408183A1 - Schliesshilfe - Google Patents
Schliesshilfe Download PDFInfo
- Publication number
- EP1408183A1 EP1408183A1 EP03022814A EP03022814A EP1408183A1 EP 1408183 A1 EP1408183 A1 EP 1408183A1 EP 03022814 A EP03022814 A EP 03022814A EP 03022814 A EP03022814 A EP 03022814A EP 1408183 A1 EP1408183 A1 EP 1408183A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- locking element
- element carrier
- carrier
- output element
- 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.)
- Withdrawn
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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
- E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
- E05B81/22—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening by movement of the striker
Definitions
- the present invention relates to a closing aid for doors or flaps a motor vehicle.
- Such locking aids are generally known. They are used for Closing a door or hatch of a motor vehicle the door or hatch automatically from a pre-closing position to a final closing position move. In particular, they can serve to complete one closed door, whose lock is already in a on the locking aid locking element held, for example a striker, is engaged, compressing a seal along a frame to close the door completely without any person operating the door must apply the forces necessary for compression.
- the locking position can be chosen so that the door with only slight forces can be moved into this and the lock and the striker are already locked together in a main rest position. After this Lock the lock and the locking bracket in the pre-closing position can output a signal to a controller via a signal generator which activates the locking aid so that the locking element moves and thus the respective door or flap automatically and with External power is closed.
- Such a locking aid can be attached to a door spar, for example be and have a laterally extendable striker that by a corresponding drive device can be extended and retracted. To the Opening the door, i.e. when operating a corresponding door handle, the striker is extended laterally by the locking aid.
- the present invention is therefore based on the object To create locking aid that has a long life.
- the locking aid according to the invention for doors or flaps of a motor vehicle comprises a drive device with an output element, a movable locking element carrier, and a coupling device, by means of which the movement of the locking element carrier Output element with the locking element carrier at least partially Can be detachably coupled, so that the locking element carrier in the coupled Condition due to movement of the output element between a rest position and can be moved back and forth from an extended position, wherein the coupling by the action of a predetermined size on the Locking element carrier is at least partially detachable.
- the movable locking element carrier is used to hold a Locking element, which is in particular a striker, can act a striker or a striker.
- the drive device serves to move the locking element carrier with the output element.
- the coupling device For mechanical coupling of the drive device and the locking element carrier the coupling device is provided. According to the invention is the movement of the locking element carrier with the of the output element is not rigidly coupled. Rather, there are two states possible, which do not have to be strictly separated.
- the locking element carrier is in a coupled state by movement of the drive element or that exerted by it Forces between a rest position and an extended position forth.
- the coupling device itself only needs such forces of the output element on the locking element carrier to be able to transmit a movement of the locking element carrier effect from the rest position to the extended position.
- the Movement in the opposite direction can be caused by the output element be effected by means of the coupling device or in another way, however, the coupling device must allow this movement.
- the output element and the Locking element carrier expediently essentially synchronous move, but the coupling need not be completely rigid. It it is sufficient that the locking element carrier by the of the output element exerted forces, possibly with one through the coupling device conditional play, the movement of the output element follows.
- This coupled state is in the normal use of the Locking aid before.
- Locking aid between a final closing position and one Pre-closed position is movable, the door handle operated, the drive device are controlled so that the output element over the coupling device the locking element carrier from the rest position moved to the extended position.
- the Drive device can be controlled so that the Output element the locking element carrier from the extended Position moved to the rest position, which causes the door or flap in the End closing position is moved.
- the locking element carrier In the second, at least partially decoupled state, the locking element carrier is either completely independent of the output element movable or mechanically so weakly coupled with it, that it moves out of the extended position with the output element stationary in an output element position corresponding to the extended position far from the extended position, for example until at least in the rest position, is movable.
- the at least partial release of the coupling is due to the action of force predetermined size effectable on the locking element carrier.
- the force does not necessarily have to be directly over the Locking element carrier transferred to the coupling device , but this is preferably the case.
- the improper Operation on the locking aid and in particular the output element acting forces are limited very well, so that the The lifespan of the locking aid is at least increased. It is located the locking element carrier in the extended position and will the door or flap is closed with too much swing, so is over the locking element held on the locking element carrier exerted a correspondingly large force on the locking element carrier.
- the locking element carrier is then made of a coupled State in the at least partially decoupled state and can move even when it is stationary or moving slowly Move output element further. As a result, the pulse of the locking element carrier needs not or only greatly weakened by the output element to be caught.
- the specified size of the force depends, among other things, on the Size of the output element on the locking element carrier forces applied in the coupled state. At least partially Decoupling due to normal movement of the output element avoid, is the predetermined size of the at least partial decoupling necessary force expediently greater than that by Output element exercisable forces. Furthermore, the default Size of the force expedient after using the Locking aid according to the invention in connection with a lock direct occurring forces. So is the predetermined size of the Force greater than the force when the locking element snaps into place in a lock of a door or flap is necessary. This is an at least partial decoupling during a normal closing of the Door not possible, so the door or flap can be closed using the locking aid or the output element of the same can be moved into an end closed position is.
- the predetermined size of the force should be as possible be kept so low that a strong mechanical stress the locking aid in the event of a fast closing or slamming the door or flap is avoided.
- the closing aid according to the invention also enables closing a door or flap when the Locking element carrier the drive device, for example by Power failure, is no longer operational. By slamming the door or the flap can be the locking element carrier from the driven element at least partially decoupled and moved into the rest position become.
- the locking element carrier can in principle on any through storage and / or guidance and / or the drive Way to be movable. So he can z. B. rotatable or pivotable his. However, it is preferred that the locking element carrier be linear is movably guided. A linear movement of the locking element carrier and thus also allows a locking element held thereon the use of the locking aid according to the invention with any conventional locks, which in particular no enlarged pictures need to have for the locking element. Furthermore the at least partial decoupling is particularly easy and under Only small forces can be transferred to the locking aid.
- the coupling can be at least partially solved in principle as desired respectively.
- the coupling device is designed in this way is that when the output element is not moving, coupling through the force of a predetermined size on the locking element carrier in the extended position in one direction towards the rest position is at least partially solvable. In this way, the decoupling by direct action of the locking element carrier on the Coupling device can be at least partially solved, which is the structure of the Locking aid simplified.
- the coupling device can be any suitable device have with which the at least partially releasable coupling of output element and locking element carrier can be effected.
- the coupling device is a spring element comprises that with the locking element carrier and the driven element connected is.
- the locking element carrier is linearly movable, can be used as a spring element in particular a tension or compression spring become.
- the strength of the tension or compression spring is particularly preferred chosen so that in the by the drive device on the The driven element does not exert forces or the tension or compression spring is only slightly deflected, so that the locking element carrier in Can be moved substantially synchronously with the output element.
- the spring constant of the tension or compression spring should be selected that the tension or compression spring in the at least partially decoupled State, i.e. when the specified force is exceeded, when moving of the locking element carrier from the extended position in the rest position can be tensioned when the output element is one of the extended ones Positions of the locking element carrier corresponding Output element position takes.
- Such a coupling device is particularly simple and therefore allows a particularly cost-effective Structure of the locking aid according to the invention.
- the coupling device on the locking element carrier and the output element complementary to each other Snap connection elements to form a releasable snap connection includes.
- the snap connection elements are special preferably designed so that a snap connection between the Locking element carrier and the driven element by movement of the locking element carrier with the predetermined force from the extended position at least in the direction of the rest position an immovable output element can be released non-destructively.
- a complete decoupling between the output element is particularly useful and locking element carrier possible, so that the driven element or the drive device particularly well in front of large external ones Force is protected.
- one of the snap connection elements a snap element with a loop-shaped strip comprises an elastic material, and that the complementary Snap connection element through a corresponding recess is formed, into which the snap element can be snapped in and out.
- the recess preferably forms an undercut in the direction of movement of the locking element carrier, so that a safe Coupling is achievable in the coupled state.
- the snap element can in particular consist of a correspondingly shaped strip Spring steel be formed.
- the snap element can on the output element be held, but is preferably on the locking element carrier attached. Enable snap fasteners designed in this way a long service life, as there is also repeated loosening and manufacture the snap connection does not lead to high material fatigue leads that affect the function of the locking aid according to the invention could.
- the locking element carrier In the partially decoupled state, the locking element carrier can move relative to the output element. To this movement too limit, it is preferred that a locking device is provided, by means of which the locking element carrier in a synchronization position can be locked into which the locking element carrier can be moved, if the output element and the locking element carrier at least are partially decoupled. This way, not only becomes an uncontrolled one Movement of the locking element carrier, especially when complete Decoupling between output element and locking element carrier, avoided. Rather, the locking element carrier also kept in the synchronization position so that it is possible to To couple the output element back to the locking element carrier. Furthermore, the door is held in an appropriate position so that driving with the vehicle is still possible.
- the synchronization position then close to the rest position, because in this Fall the door in an appropriate practically closed position is held near the final closed position, in which a door seal at least is partially compressed and the force is applied when driving the door that comes very close to a door in the final closed position.
- the Latching device is then expedient for receiving corresponding ones Forces trained.
- the locking device can in particular one biased by an elastic element, for example a spring Include locking lever, which is held on a carrier element of the locking aid is.
- the locking element carrier can preferably have a corresponding locking lug or recess into which The locking lever can then snap into place.
- the synchronization position can be, for example, with the rest position be identical. However, it is particularly preferred that the rest position between the synchronization position and the extended position lies.
- the latching device can be particularly simple be designed because during the normal movement of the locking element carrier in the state coupled with the output element the rest position and the extended position the synchronization position not reached and the locking device is not operated.
- an elastic element is provided is that with at least partially released coupling and with one Movement of the locking element carrier in the direction of the synchronization position is exciting.
- the Locking element carrier with at least partially released coupling from the extended position to the synchronization position of the locking element carrier delayed by tensioning the elastic element be, so that no high peak values in the temporal course of force occur.
- leaving the synchronization position relieved when releasing a latch because the locking element carrier through the restoring force of the stretched elastic Elements from the synchronization position towards the rest position is moved.
- the locking device is designed so that the Locking of the locking element carrier by moving the drive element can be canceled in an output element position, which in the coupled Condition of the output element and the locking element carrier corresponds to the rest position of the locking element carrier.
- the latching when the above-mentioned is reached is particularly preferred Output element position can be canceled. That way, if that Output element and the locking element carrier partially decoupled are and the locking element carrier in the synchronization position is located, the output element for the production of the coupling only in the output element position corresponding to the rest position moves to are, whereupon the locking is released and the locking element carrier can be fully coupled with the output element.
- one with the drive device electrically connected switching device is provided, the can be actuated by the locking element carrier when the latter Synchronization position reached, and that the drive device so it is formed that when the switching device is actuated, the output element is movable into an output element position, which in the coupled State of the output element and the locking element carrier Corresponds to the rest position of the locking element carrier.
- the switching device can a mechanical directly or indirectly from the locking element carrier include actuatable switching element.
- one corresponding motion or position sensor to use with the it can be determined whether the locking element carrier the synchronization position reached or occupies this, and on the signals of which Drive device can be controlled accordingly.
- the output element has an output element stop and the locking element carrier a corresponding one Have locking element carrier stop, so that in the coupled State when the output element moves from an output element position, the extended position of the locking element carrier corresponds to an output element position that the rest position of the locking element carrier corresponds to the output element stop abuts the locking element carrier stop and the locking element carrier is movable into the rest position. That way the locking element carrier simply by the output element itself Movable to the rest position when higher forces occur without the Coupling device or a tension or compression spring or existing Snap connection elements of the coupling device would be charged.
- the coupling device Given the forces that may be needed to open a door or flap with the locking aid, for example, against the resistance of one To close the door or the flap surrounding sealing rubber, and given that the movement of the locking element carrier necessary from the rest position to the extended position Forces much lower than those for moving in the opposite direction necessary coupling forces can be the coupling device be designed to be less massive.
- the locking element carrier On the locking element carrier can be held on Locking element significant torques are exerted when a lock is not when the locking element and lock engage exactly in the linear direction of movement of the locking element carrier strikes the locking element. It is therefore preferred that the locking element carrier is designed as a carriage and on a Linear guide is guided. This linear guide can in particular as a positive guidance on a carrier element, which the Attaching the locking aid to a door spar or other part serves a body of a motor vehicle.
- the drive device can basically be electrical, hydraulic or also be pneumatically operated.
- it can be a linear motor include.
- the drive device has a Motor, an eccentric driven by the motor and as an output element comprises a linearly moveable slide which has an opening has, in which the eccentric engages, so that when the eccentric rotates the carriage can be moved linearly.
- Such a drive device enables especially the use of conventional motors with a rotating output shaft, the movement of which in a very simple manner a linear movement can be implemented.
- the linear guidance of the slide also allows a very good transfer of power to the Locking element carrier, so that the occurrence of torques the transmission of the movement of the output element to the locking element carrier is largely avoidable.
- the driven element is at least partially is arranged in an opening of the locking support element, whereby a particularly compact structure results.
- a closing aid for a motor vehicle side door instructs one a screwed door pillar of the motor vehicle, not shown in the figures
- Base plate 10 a drive device 12, a coupling device 14, a locking element carrier 16 and a locking device 18 on.
- the base plate 10 is essentially flat and planar and has two parallel to each other and not shown in Fig. 1 to a linear guides for an output element aligned in a direction of movement B. 20 of the drive device 12 and the locking element carrier 16 on.
- the direction of movement B is essentially tangential to a pivoting direction of a door for the actuation of which Locking aid serves, aligned.
- the drive device 12 comprises one in the view in FIG. 1 below the base plate 10 arranged electric motor 22 with an output shaft 24, which extends through an opening in the base plate 10, and one arranged eccentrically on the end face of the output shaft 24 Bolt 26 as an eccentric.
- the drive device 12 has the slide and in the corresponding first linear guide of the base plate 10 linearly guided output element 20, the one transverse to the direction of movement B running, substantially rectangular opening 28 has, in which the bolt 26 engages, so that by rotation of the output shaft 24 the output element 20 is linearly reciprocable.
- Control of the electric motor 22 is provided.
- Locking element carrier 16 has a locking element carrier opening 30, which is substantially rectangular, but below Formation of a serving as a locking element carrier stop Shoulder 32 has a rectangular extension of smaller size.
- a locking element 34 in Shape of a striker in the example by a welded connection, attached.
- the locking element carrier has on a side facing the base plate 10 16 at one end a locking block 36.
- the coupling device 14 comprises, as a spring element, one in the extension the locking element carrier opening 30 arranged and with the Output element 20 on the one hand and the locking element carrier on the other connected tension spring 38 which in a direction of movement B of the Locking element carrier 16 or the output element 20 along the Linear guides are arranged on the base plate 10 so that they pass through a relative movement of the locking element carrier 16 and the Output elements 20 can be tensioned.
- the locking device 18 comprises, in addition to the locking block 36 on the locking element carrier 16 one on the locking element carrier 16 facing side on the base plate 10 rotatably mounted, two-armed Locking lever 40. This is arranged so that it is one of the figures not shown locking arm spring in the direction of the locking block 36 or, depending on the position of the locking element carrier 16, against its surface is movable parallel to the direction of movement B while the other Arm can be actuated by the bolt 26.
- a key switch 42 As a switching device arranged, with the control electronics not shown in the figures the drive device 12 is connected.
- FIG. 2A shows the state of the closing aid when the motor vehicle door is closed, that is when this door is in a final closed position located.
- the locking element carrier 16 is in a rest position, the output element 20 being in a corresponding first output element position located.
- the tension spring 38 is not under tension.
- the drive device 12 When a door handle of the door is actuated, the drive device 12 becomes so controlled that the electric motor 22, the output shaft 24 and thus the Bolt 26, in Fig. 2B clockwise, moves, so that the output element 20 linearly from the first output element position along the direction of movement B is moved into a second output element position.
- the spring constant of the tension spring 38 is selected so that the output element 20 with only a minimal extension of the tension spring 38 by means of this tension spring 38 the locking element carrier 16 with the Takes locking element 34 and this in an extended Position moved.
- the locking element 34 is laterally from the Door handle moved away.
- one end of the locking lever 40 is constantly on on the corresponding, aligned parallel to the direction of movement B.
- Surface of the locking block 36 see. Fig. 2C).
- a corresponding Encoder in the lock activates the drive device 12 so that the Electric motor 22, in Fig. 2B counterclockwise, is moved and the output element in the direction of the first output element position shifts.
- An end face serving as a stop element strikes 44 of the output element 20, which in the direction of the rest position of the Locking element carrier 16 is oriented to the shoulder 32 the locking element carrier 16 and takes it adjacent to him in the further course of the movement, so that the locking element carrier 16 from the extended position to the rest position is moved.
- the door is overcome from the pre-closing position one caused by compression of a door seal Resistance pulled into a final closed position. Upon reaching the The electric motor 22 is stopped in the rest position.
- 3A to 3D is the function of the closing aid when closing the door in the event of a brief failure of the electric motor 22.
- the locking element carrier When the door reaches the pre-closing position, the locking element carrier is located 16 initially in the extended position, the Output element 20 in the corresponding second output element position is arranged.
- the locking element 34 By pressing the door in the closing direction or by throwing the door shut a force is exerted on the locking element 34.
- a sufficiently large force on the locking element 34 and so that the locking element carrier 16 is this when not moving Electric motor 22 and therefore a non-moving drive element 20 in Moved towards the rest position, whereby, due to the extensibility the tension spring 38, the coupling of the movement of the output element 20 and the locking element carrier 16 by the tension spring 38 in the by moving the output element 20 maximum occurring forces partially resolved.
- the spring constant of the tension spring 38 is corresponding selected.
- the locking member carrier 16 is then against the tensile force of the tension spring 38 beyond the rest position into a synchronization position moves, the locking lever 40 by the in the Figures not shown spring first against the parallel to the direction of movement B aligned surface of the locking block 36 is pressed, when reaching the synchronization position but behind the orthogonal Direction of movement B oriented end face of the locking block 36 engages.
- the locking element carrier 16 is thereby in the synchronization position held under tensioned tension spring 38.
- the door is thus kept in a closed position, although the Electric motor 22 does not work.
- This position of the door corresponds to Essentially the final closed position, with the door slightly pulled further against the seal. It can therefore essentially Perform a function that it has in the normally closed state.
- pressing the Key switch 42 controls the drive device 12 so that the Output element 20 by the electric motor 22 from the second output element position in the first, the rest position of the locking element carrier 16 corresponding output element position is moved (see Fig. 3C).
- a corresponding function results if the door is also in working order Electric motor 22 closed so quickly and thus Locking element 34 with the locking element carrier 16 so is moved quickly despite that by snapping into the main click position triggered movement of the output element 20 the predetermined Force to move the locking element carrier 16 regardless of the movement of the output element 20 to release the snap connection is exceeded.
- the processes described last then run for the case of a blocked electric motor, although the Movement of the output element 20 in the first output element function need not be triggered by the key switch 42.
- the locking element carrier 16 needs the synchronization position not necessarily achievable. In this way, the drive device 12 protected from excessive forces and the life of the Locking aid increased.
- the predetermined force can be about twice as high be as large as the force required to lock the lock and locking element in the main click position of the lock is necessary in Example is about 600 N. According to the given force the Design tension spring 38.
- the locking aid in turn includes one base plate 46 screwed to a door pillar of a motor vehicle, a drive device 48, a coupling device 50, a locking element carrier 52 and a latching device 54.
- the essentially flat and flat base plate 46 has a linear guide aligned parallel to a direction of movement B. for a drive element 56 of the drive device 48 and on opposite outer edges running parallel to the direction of movement B. Linear guides for the locking element carrier 52.
- the Direction of movement B is essentially tangential to one Swiveling direction of a door, for the actuation of which the locking aid is used aligned.
- the drive device 48 is basically similar to the drive device 12 formed and points in the previous embodiment an electric motor 58 which, from the perspective in FIG. 4, below the Base plate 46 is arranged and on an output shaft, not shown an output disk 60 with an eccentrically arranged as an eccentric acting bolt 62, the bolt 62 by a corresponding Opening in the base plate 46 engages.
- the drive device further comprises 48 control electronics not shown in the figures to control the electric motor 58.
- the drive device 48 has the slide and driven element guided on the first linear guide of the base plate 46 56, in which a transverse to the direction of movement B. rectangular opening is formed, in which the bolt 62 substantially engages without play in the direction of movement B, so that by rotating the Output disk 60, the output element 56 in the direction of movement B can be moved back and forth.
- the output element 56 has a recess at the same end 66, which initially has the shape of a rectangle that extends then in a channel running parallel to the direction of movement B. opens, which in turn forms an undercut, an undercut forming end portion 67 ends.
- the locking element carrier 52 has a substantially rectangular Opening 68, which arranged in Fig. 4 above the base plate 46 Parts of the drive device 48 and in particular the output element 56 records.
- the locking element carrier has at its edges running in the direction of movement B. 52 further not shown in the figures around the lateral linear guide of the base plate 46 around guide elements on so that it is linear on the base plate 46 in the direction of movement B is guided.
- a locking element carrier stop forming projection 70 is formed on the recess 66 of the output element 56 facing Side of the opening 68 in the rectangular portion of the recess 66 corresponding.
- locking element carrier 52 On the locking element carrier 52 is furthermore, the clarity not shown in the figures, a locking element in the form a locking bolt attached.
- the coupling device 50 comprises the channel-like section and in particular the end section 67 as Snap element 72 a loop-shaped strip of spring steel, whose head area is curved like a sector of a circle and essentially the shape of the end portion 67 of the recess 66 as complementary Snap connector corresponds.
- the snap element 72 is due to the choice of material and shape together with the recess 66 and in particular of the end section 67 in such a way that by applying a force of a predetermined size parallel to the direction of movement B the snap element 72 from the end portion 67 of the Recess 66 is movable out, the strip of spring steel is pressed together transversely to the direction of movement B.
- the snap element 72 in the end portion 67 of the recess 66 snap-fit, whereby the formation of the undercut results in a defined triggering force for releasing the snap connection.
- the locking element carrier 52 In the locking element carrier 52 are parallel to the direction of movement two guide rods 74 and 74 'leading through the opening 68 arranged, which also through corresponding openings in the holding plates 64 and 64 'of the output element 56 are guided.
- the locking device 54 shown only in FIG. 4 is essentially designed like the locking device 18 in the first exemplary embodiment and comprises a two-armed locking lever 80 which is rotatably mounted on the base plate 46 and a locking block 82 which is on the locking element carrier 52 on its side facing the base plate 46 is arranged.
- the locking lever 80 is arranged such that one of its arms can be moved by a locking arm spring (not shown in the figures) in the direction of the locking block 82 or, depending on the position of the locking element carrier 52, against its surface parallel to the direction of movement B, while the other arm can be actuated by the pin 62.
- the snap element is 72 in recess 66 snapped into place so that the locking element carrier 52 is coupled to the drive element 56 (cf. FIG. 5A).
- the control electronics of the drive device 48 the electric motor 58 is controlled so that the bolt 62, in Fig. 5A clockwise, is pivoted, the output element 56 linear in the direction of movement B, according to FIGS. 5A to 5C right, is moved into a second output element position. Doing so by the snap connection between the output element 56 and the Locking element carrier 52 of the latter with the output element 56 coupled coupled to the extended position (see FIG. 5C). To When this position is reached, the electric motor is stopped, so that Output element 56 and the locking element carrier 52 with the locking element are held in their respective positions.
- a pre-closing position moves in which the locking element with a lock of the door a main rest position is locked.
- a predetermined force of in the example about 300 N is necessary.
- the snap element 72 and the recess 66 and in particular their end section 67 are designed that the snap connection cannot be released by this force.
- the snap element 72 bears against the inner wall of the end section of the recess 66 on the one hand and in particular the striking of an end face 86 of the output element 56 on the Side in which the recess is formed as an output element stop on the projection 70 and a further end face 88 of the opening 68 of the Locking element carrier 52 as a locking element carrier stop on the other hand, the locking element carrier 52 parallel to the direction of movement B moved from the extended position to the rest position. In the electric motor 58 is then stopped, so that the locking element carrier 52 is held stationary.
- one arm of the locking lever 80 lies over the entire Course of movement on a parallel to the direction of movement B extending surface of the appropriately arranged and trained Locking blocks 82 on.
- the driven element 56 is in the second driven element position, the locking member carrier 52 in the extended Position is arranged.
- the output element 56 and the locking element carrier 52 are by means of a snap connection of the snap element 72 and the recess 66 coupled together.
- the compression springs 76 and 76 ' are tensioned, i.e. pressed together here, at the same time the locking element carrier 52 is braked.
- the locking element carrier 52 then moves over the rest position out in the synchronization position shown in Fig. 5B, where the to thence on the side surface aligned parallel to the direction of movement B. of the locking block 82 guided arm of the locking lever 80 from this side surface slides and through the locking arm spring behind the perpendicular to end face of the locking block 82 oriented in the direction of movement B. locks. In this way, the locking element carrier 56 in the Synchronization position maintained.
- the door is thus kept in a closed position, although the Electric motor 52 does not work.
- the position of the door reached in this way corresponds doing essentially the final closed position, with the door but is pulled slightly further against the seal. It can therefore essentially perform the function they closed in the normal Condition.
- the control electronics of the drive device 48 causes the electric motor 58 to be driven so that the bolt 62, in 6A to 6D counterclockwise, and thus the output element 56, to the left in FIGS. 6A to 6D, to the synchronization position or towards the locking element carrier 52 held there is moved (see. Fig. 6C and D). This movement is caused by the resetting Force of the compressed compression springs 76 and 76 'supported.
- the snap element 72 snaps into the recess 66 or the end section 67 of the recess 66 at least partially.
- the arm of the locking lever which can be actuated by the bolts 62 80 in Figs. 6A to 6D pivoted clockwise so that the other arm of the locking lever 80 pivoted past the locking block 82 and the locking of the locking element carrier 52 in the synchronization position will be annulled.
- the locking element carrier 52 and the driven element 56 are located now again in the coupled state in which the above described normal function of the locking aid is possible.
- the function described last can also occur when the door closes so quickly and with that the Locking element with the locking element carrier 52 so quickly that is moved despite one by snapping into the main click position triggered movement of the output member 56 the force to release the Snap connection is exceeded.
- the last ones described then run Processes in the event of a blocked electric motor, however, the movement of the output element 56 into the first output element function not to be triggered by the key switch 84 needs. Furthermore, the locking element carrier 16 needs the Not necessarily reach synchronization position. In this way the drive device 48 is protected from excessive forces and the Lifetime of the locking aid increased.
- the specified force from which a snap connection is released, be chosen accordingly.
- the predetermined force be about twice the force required to lock the lock and locking element in the main click position of the lock is, in the example, about 600 N.
- the specified force are the snap element 72 and the recess 66, i.e. in particular the end portion 67, formed so that a release of the snap connection at twice the force required to reach the main click position of the lock is necessary, in the example about 600 N.
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Abstract
Description
- Fig. 1
- eine schematische Draufsicht auf eine Schließhilfe nach einer ersten bevorzugten Ausführungsform der Erfindung,
- Fig. 2A - 2C
- schematische Draufsichten auf die Schließhilfe in Fig. 1 bei verschiedenen Stellungen eines Abtriebselements und eines Verriegelungselementträgers der Schließhilfe in Fig. 1 im gekoppelten Zustand,
- Fig. 3A - 3D
- schematische Draufsichten auf die Schließhilfe in Fig. 1 im Verlaufe einer teilweise entkoppelten Bewegung des Verriegelungselementträgers und einer nachfolgenden Wiederherstellung der Kopplung des Verriegelungselementträgers mit dem Abtriebselement.
- Fig. 4
- eine schematische Schnittansicht durch eine Schließhilfe nach einer zweiten bevorzugten Ausführungsform der Erfindung,
- Fig. 5A - 5C
- schematische, vereinfachte Schnittansichten der Schließhilfe in Fig. 4 während einer Bewegung eines Verriegelungselementträgers und eines Abtriebselements im gekoppelten Zustand, in denen eine in Fig. 4 sichtbare Rasteinrichtung nicht gezeigt ist, und
- Fig. 6A - 6D
- schematische, vereinfachte Schnittansichten der Schließhilfe in Fig. 4, in denen eine Entkopplung des Verriegelungselementträgers von dem Abtriebselement und eine nachfolgende Wiederherstellung der Kopplung veranschaulicht sind.
Der Rasthebel 80 ist so angeordnet, dass einer seiner Arme von einer in den Figuren nicht gezeigten Rastarmfeder in Richtung auf den Rastblock 82 bzw., je nach Stellung des Verriegelungselementträgers 52, gegen dessen Fläche parallel zu der Bewegungsrichtung B bewegbar ist, während der andere Arm durch den Bolzen 62 betätigbar ist.
- 10
- Grundplatte
- 12
- Antriebseinrichtung
- 14
- Kopplungseinrichtung
- 16
- Verriegelungselementträger
- 18
- Rasteinrichtung
- 20
- Abtriebselement
- 22
- Elektromotor
- 24
- Abtriebswelle
- 26
- Bolzen
- 28
- Öffnung
- 30
- Verriegelungselementträgeröffnung
- 32
- Schulter
- 34
- Verriegelungselement
- 36
- Rastblock
- 38
- Zugfeder
- 40
- Rasthebel
- 42
- Tastschalter
- 44
- Stirnfläche
- 46
- Grundplatte
- 48
- Antriebseinrichtung
- 50
- Kopplungseinrichtung
- 52
- Verriegelungselementträger
- 54
- Rasteinrichtung
- 56
- Abtriebselement
- 58
- Elektromotor
- 60
- Abtriebsscheibe
- 62
- Bolzen
- 64, 64'
- Halteplatten
- 66
- Ausnehmung
- 67
- Endabschnitt
- 68
- Verriegelungselementträgeröffnung
- 70
- Vorsprung
- 72
- Schnappelement
- 74, 74'
- Führungsstangen
- 76, 76'
- Druckfedern
- 78
- Stirnfläche
- 80
- Rasthebel
- 82
- Rastblock
- 84
- Tastschalter
- 86
- Stirnfläche
- 88
- Stirnfläche
- B
- Bewegungsrichtung
Claims (14)
- Schließhilfe für Türen oder Klappen eines Kraftfahrzeugs mit einer Antriebseinrichtung (12; 48) mit einem Abtriebselement (20; 56),
einem beweglichen Verriegelungselementträger (16; 52), und
einer Kopplungseinrichtung (14; 50), mittels derer zur Bewegung des Verriegelungselementträgers (16; 52) das Abtriebselement (20; 56) mit dem Verriegelungselementträger (16; 52) wenigstens teilweise lösbar koppelbar ist, so dass der Verriegelungselementträger (16; 52) im gekoppelten Zustand durch Bewegung des Abtriebselements (20; 56) zwischen einer Ruhestellung und einer ausgefahrenen Stellung hin- und herbewegbar ist, wobei die Kopplung durch Krafteinwirkung vorgegebener Größe auf den Verriegelungselementträger (16; 52) wenigstens teilweise lösbar ist. - Schließhilfe nach Anspruch 1,
dadurch gekennzeichnet, dass der Verriegelungselementträger linear beweglich geführt ist. - Schließhilfe nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass die Kopplungseinrichtung (14; 50) so ausgebildet ist, dass bei unbewegtem Abtriebselement (20; 56) eine Kopplung durch die Krafteinwirkung vorgegebener Größe auf den Verriegelungselementträger (16; 52) in der ausgefahrenen Stellung in einer Richtung auf die Ruhestellung zu wenigstens teilweise lösbar ist. - Schließhilfe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Kopplungseinrichtung (14) ein Federelement (38) umfasst, das mit dem Verriegelungselementträger (16) und dem Abtriebselement (20) verbunden ist. - Schließhilfe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Kopplungseinrichtung (50) an dem Verriegelungselementträger (52) und dem Abtriebselement (56) zueinander komplementäre Schnappverbindungselemente (66, 67, 72) zur Ausbildung einer lösbaren Schnappverbindung umfasst. - Schließhilfe nach Anspruch 5,
dadurch gekennzeichnet, dass eines der Schnappverbindungselemente ein Schnappelement (72) mit einem schlaufenartig geformten Streifen aus einem elastischen Material aufweist und
dass das dazu komplementäre Schnappverbindungselement durch eine entsprechende Ausnehmung (66, 67) gebildet ist, in die das Schnappelement (72) ein- und ausschnappbar ist. - Schließhilfe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass eine Rasteinrichtung (18; 54) vorgesehen ist, mittels derer der Verriegelungselementträger (16; 52) in einer Synchronisationsstellung verrastbar ist, in die der Verriegelungselementträger (16; 52) bewegbar ist, wenn das Abtriebselement (20; 56) und der Verriegelungselementträger (16; 52) wenigstens teilweise entkoppelt sind. - Schließhilfe nach Anspruch 7,
dadurch gekennzeichnet, dass die Ruhestellung zwischen der Synchronisationsstellung und der ausgefahrenen Stellung liegt. - Schließhilfe nach Anspruch 7 oder 8,
dadurch gekennzeichnet, dass ein elastisches Element (38; 76, 76') vorgesehen ist, das bei wenigstens teilweise gelöster Kopplung und bei einer Bewegung des Verriegelungselementträgers (16; 52) in Richtung der Synchronisationsstellung spannbar ist. - Schließhilfe nach einem der Ansprüche 7 bis 9,
dadurch gekennzeichnet, dass die Rasteinrichtung (18; 54) so ausgebildet ist, dass die Verrastung des Verriegelungselementträgers (16; 52) durch Bewegung des Abtriebselements (20; 56) in eine Abtriebselementsstellung aufhebbar ist, die im gekoppelten Zustand des Abtriebselements (20; 56) und des Verriegelungselementträgers (16; 52) der Ruhestellung des Verriegelungselementträgers (16; 52) entspricht. - Schließhilfe nach einem der Ansprüche 7 bis 10,
dadurch gekennzeichnet, dass eine mit der Antriebseinrichtung (12; 48) elektrisch verbundene Schalteinrichtung (42; 84) vorgesehen ist, die durch den Verriegelungselementträger (16; 52) betätigbar ist, wenn dieser die Synchronisationsstellung erreicht, und
dass die Antriebseinrichtung (12; 48) so ausgebildet ist, dass bei Betätigung der Schalteinrichtung das Abtriebselement (20; 56) in eine Abtriebselementstellung bewegbar ist, die im gekoppelten Zustand des Abtriebselements (20; 56) und des Verriegelungselementträgers (16; 52) der Ruhestellung des Verriegelungselementträgers (16; 52) entspricht. - Schließhilfe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Abtriebselement (20; 56) einen Abtriebselementanschlag (44;86) und der Verriegelungselementträger (16; 52) einen entsprechenden Verriegelungselementträgeranschlag (32; 88) aufweisen, so dass im gekoppelten Zustand bei einer Bewegung des Abtriebselements (20; 56) aus einer Stellung, die der ausgefahrenen Stellung des Verriegelungselementträgers (16; 52) entspricht, in eine Stellung, die der Ruhestellung des Verriegelungselementträgers (16; 52) entspricht, der Abtriebselementanschlag (44;86) an dem Verriegelungselementträgeranschlag (32; 88) anliegt und der Verriegelungselementträger (16; 52) in die Ruhestellung bewegbar ist. - Schließhilfe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der Verriegelungselementträger (16; 52) als Schlitten ausgebildet und an einer Linearführung geführt ist. - Schließhilfe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Antriebseinrichtung (12; 48) einen Motor (22; 58), einen von dem Motor (22; 58) getriebenen Exzenter (26; 62) und als Abtriebselement (20; 56) einen linear beweglich geführten Schlitten umfasst, der eine Öffnung aufweist, in die der Exzenter (26, 62) eingreift, so dass bei Drehung des Exzenters (26; 62) der Schlitten linear bewegbar ist.
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DE10247539 | 2002-10-11 | ||
DE2002147539 DE10247539A1 (de) | 2002-10-11 | 2002-10-11 | Schließhilfe |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009112016A1 (de) * | 2008-03-14 | 2009-09-17 | Kiekert Aktiengesellschaft | Kraftfahrzeugtür |
DE102014202362B4 (de) | 2014-02-10 | 2018-12-13 | Kendrion Kuhnke Automation Gmbh | Motorisch angetriebene Verschlusseinrichtung, Heißgerät und Verfahren zum Betrieb einer motorischen Verschlusseinrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0940531A1 (de) * | 1998-03-06 | 1999-09-08 | Delphi Technologies, Inc. | Schliesshilfe für Türen oder Klappen eines Kraftfahrzeuges |
DE19910031A1 (de) * | 1999-03-08 | 2000-09-21 | Valeo Gmbh & Co Schliessyst Kg | Vorrichtung zum Verschließen einer Fahrzeugtür |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19737996C2 (de) * | 1996-10-08 | 2002-12-19 | Bosch Gmbh Robert | Schließkeil-Antriebsbaugruppe für ein Kraftfahrzeug-Türschloß o. dgl. |
DE10025390A1 (de) * | 2000-05-24 | 2001-11-29 | Witte Velbert Gmbh & Co Kg | Gegenschließteil für ein Fallenschließteil eines Verschlusses |
-
2002
- 2002-10-11 DE DE2002147539 patent/DE10247539A1/de not_active Withdrawn
-
2003
- 2003-10-07 EP EP03022814A patent/EP1408183A1/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0940531A1 (de) * | 1998-03-06 | 1999-09-08 | Delphi Technologies, Inc. | Schliesshilfe für Türen oder Klappen eines Kraftfahrzeuges |
DE19910031A1 (de) * | 1999-03-08 | 2000-09-21 | Valeo Gmbh & Co Schliessyst Kg | Vorrichtung zum Verschließen einer Fahrzeugtür |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009112016A1 (de) * | 2008-03-14 | 2009-09-17 | Kiekert Aktiengesellschaft | Kraftfahrzeugtür |
DE102014202362B4 (de) | 2014-02-10 | 2018-12-13 | Kendrion Kuhnke Automation Gmbh | Motorisch angetriebene Verschlusseinrichtung, Heißgerät und Verfahren zum Betrieb einer motorischen Verschlusseinrichtung |
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DE10247539A1 (de) | 2004-04-22 |
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