EP3990729A1 - Device for opening a door or flap in or on a motor vehicle - Google Patents
Device for opening a door or flap in or on a motor vehicleInfo
- Publication number
- EP3990729A1 EP3990729A1 EP20737342.4A EP20737342A EP3990729A1 EP 3990729 A1 EP3990729 A1 EP 3990729A1 EP 20737342 A EP20737342 A EP 20737342A EP 3990729 A1 EP3990729 A1 EP 3990729A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transmission lever
- spring
- motor vehicle
- actuation path
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 98
- 230000007246 mechanism Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
- E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/90—Manual override in case of power failure
-
- 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
- E05B85/10—Handles
- E05B85/14—Handles pivoted about an axis parallel to the wing
- E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part
-
- 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
- E05B15/004—Lost motion connections
-
- 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
Definitions
- the invention relates to a device for opening a door or flap in or on a motor vehicle, with at least one transmission lever, and with a spring acting on the transmission lever.
- the transmission lever is deflected with the aid of a handle, a Bowden cable or with recourse to another actuating means that can be acted upon manually by an operator.
- the handle referred to as part of the device described above can be both an external handle or an outside door handle and an inside handle, in particular an inside door handle.
- the handle is designed as an outside handle or an outside door handle and is typically used for what is known as “electrical opening” of an associated motor vehicle lock and in particular a motor vehicle door lock.
- a sensor assigned to the handle is generally provided, which, depending on its action, controls a motor drive, which in turn generally ensures the previously described electrical opening of a locking mechanism comprising rotary latch and pawl as part of the motor vehicle lock and in particular the motor vehicle door lock.
- a transmission mechanism is provided in addition to the previously described electrical opening drive and the hand or the handle.
- the overall design is such that only when the handle is pulled with a force equal to or greater than an emergency Is opening force, a mechanical movement of the door handle is allowed and a transmission to the motor vehicle lock or motor vehicle door lock or a mechanical locking device there is made.
- the associated door or flap can also be opened as an alternative to electrical opening.
- Such an emergency opening is typically carried out when the electronics or a voltage supply for the electronics has failed and consequently the electrical opening that is usually implemented is not possible.
- the mechanical movement of the handle ensures that the associated door or flap can be opened mechanically.
- EP 1 816 290 B1 describes the door handle as quasi stationary because the door handle is biased against a stop with the aid of a return spring, so that only a relatively large pulling force acting on the door handle can overcome the return force of this spring in question.
- the door handle With the usual actuation forces for opening the door, however, the door handle is hardly or not at all moved, so that it is regarded as quasi-stationary. In this functional position, however, the sensor can still be actuated for electrical opening.
- the known teaching works in such a way that when the handle is pulled with a force less than is the emergency opening force, but is sufficient to generate an output signal from the sensor, a handle movement perceptible by the operator is generated with the aid of the transmission mechanism.
- a relatively complicated structure is required. So the transmission mechanism is equipped, among other things, with an elastically deformable bistable component, which jerks when pulling the handle stable shape changes to another, whereby the jerky movement is transferred to the handle.
- EP 1 455 039 A2 Another device of the generic type is presented in EP 1 455 039 A2. This is also about a device for motorized actuation of a lock for flaps or doors of vehicles in the normal case.
- an emergency device is provided for manually operating the same lock in an emergency.
- the normal device has a signal transmitter or sensor which acts on a motor used to control the lock.
- the emergency device has a manually operable pulling or pushing means which is connected on the one hand to the lock and on the other hand to an output link of a link chain.
- a relatively complicated mechanical device for opening a door or flap is described which, like the device discussed above, is not free from defects in terms of functional reliability.
- the complex structure of the known devices leads to increased costs in their implementation, which is disadvantageous in view of the enormous cost pressure in the automotive sector.
- the invention aims to provide a remedy here overall.
- the invention is based on the technical problem of further developing such a device for opening a door or flap in or on a motor vehicle in such a way that, with increased functional reliability compared to the prior art, the design and manufacturing effort are reduced at the same time.
- the invention proposes in a generic device for opening a door or flap in or on a motor vehicle that the spring acting on the transmission lever has at least one of a first actuation path of the transmission. has transmission lever spaced apart first region, so that the spring only hits the transmission lever after completing the first actuation path be.
- the first area of the spring is followed by a further second area in the actuating direction of the transmission lever.
- This second area of the spring ensures that the transmission lever is acted upon during its associated second actuation path with a counterforce opposite to the actuation force.
- the spring then also has a third area, the second area of the spring then merging into the third area in the actuating direction of the transmission lever. In the third area of the spring, the spring ensures that the transmission lever is acted upon by a restoring force during its associated third actuation path.
- the spring acting on the transmission lever thus has at least a first area and a second area.
- the first actuation path of the transmission lever corresponds to the first area of the spring.
- the second actuation path of the transmission lever that adjoins the first actuation path belongs to the second area of the spring.
- the spring in the first area is spaced from the first actuation path of the transmission lever, there is no interaction between the transmission lever and the spring when completing this first Actuate supply path of the transmission lever. Consequently, if the Flandhabe acting on the transmission lever, for example, is acted upon by an operator to open the door or flap, this happens during the first actuation travel of the transmission lever, as it were, without resistance or with at most little frictional resistance, because the spring normally acting on the transmission lever during the first Actuating travel of the transmission lever does not act on the transmission lever with their spaced apart first area. Only when the transmission lever has completed its first actuation path does the spring ensure that the transmission lever is acted upon after this first actuation path has been completed. The second area adjoining the first area of the spring corresponds to this. In this second area of the spring, the transmission lever is acted upon by a counterforce opposite to its actuating force.
- an operator pulling the handle for example, can easily and tactilely differentiate between the resistance-free first actuation path of the transmission lever and the second actuation path of the transmission lever, which is subject to a resistance caused by the spring and which opposes that of the spring in the second area built up counterforce must be completed.
- the handle is assigned a sensor for detecting its impact.
- the sensor is acted upon during the first and / or second actuation travel of the transmission lever.
- a motor vehicle lock and, in particular, motor vehicle door lock is acted upon with the aid of a motor drive, for example via an interposed control unit.
- the motor drive can ensure that the motor vehicle lock in question, and in particular the motor vehicle door lock, is unlocked and / or opened, for example.
- the subsequent third actuation path of the transmission lever is characterized in that the associated third area of the spring acts on the transmission lever with a restoring force. This means, During this third actuation travel of the transmission lever, the transmission lever is not only acted upon by a resistance built up by the spring, but the spring actively ensures that the transmission lever is acted upon with a restoring force, which results in a restoring torque acting on the mostly rotatably mounted transmission lever. As a result, an operator can additionally and easily distinguish between the second actuation path and the third actuation path of the transmission lever by tactile means.
- the second actuation path of the transmission lever is characterized by a braked movement
- a restoring force built up by the spring takes place during the third actuation path and an additional restoring torque or restoring torque acts on the transmission lever.
- the overall design is such that the transmission lever directly or indirectly acts mechanically on the motor vehicle lock or motor vehicle door lock during this third actuation path. That is, a mechanical loading of the motor vehicle lock or motor vehicle door lock takes place according to the invention practically only and exclusively during this third actuation path.
- the motor vehicle lock or motor vehicle door lock is continuously actuated by a motor or an electric motor during the first or second actuation path of the transmission lever, for example in the sense of “electrically opening”.
- the spring is designed in detail as a leaf spring, that is, as a spring from a flat leaf-shaped strip, which is typically made of metal, but can also consist of plastic.
- the flat sheet-like strip in question can now be easily deformed to the effect that in detail a contour leg and a Fixing legs are defined.
- the contour leg lies opposite an actuating pin on the transmission lever.
- the actuating pin is typically arranged at the opposite end to an axis of the transmission lever about which the transmission lever is generally rotatably mounted in or on a housing, the door or flap.
- the contour leg now has the first area and optionally the second and third area of the spring.
- the fastening leg ensures that the leaf spring can be anchored in a housing, for example.
- the housing can be a lock housing, a locking housing, etc.
- the leaf spring used according to the invention has a U-shaped to V-shaped shape in cross section with U-legs or V-legs of different lengths.
- the long U-leg or V-leg is designed as a contour leg and faces the actuating pin on the transmission lever.
- the short U-leg or V-leg is the fastening leg for anchoring the leaf spring in the housing in question.
- the spring or leaf spring itself can be fixed in the housing in question with the aid of an additional element, for example a screw or a pre-stamped washer.
- a locking connection or any other conceivable connection to the housing is also possible at this point.
- the spring or leaf spring and depending on the size and point of action of a force threshold made available in this way can be adapted to the respective requirements. For this it is only necessary to adjust the spring in terms of its geometry, for. B. in terms of their material thickness, the angle between the legs, their shape, etc. very easily to adapt to the desired requirements.
- the leaf spring used according to the invention is also oriented in such a way that its narrow side lies opposite the actuating pin on the transmission lever or interacts with the actuating lever. tap occurs.
- the leaf spring is acted upon by the actuating pin, which is predominantly cylindrical in cross section, in such a way that the actuating pin moves against the narrow side of the leaf spring in the second or third area and the leaf spring is pivoted or deformed in its longitudinal extension or along its broad side.
- the three areas of the leaf spring correspond not only to the contour leg of the leaf spring, but also to different geometries of the leaf spring, as will be explained in more detail below and with reference to the description of the figures.
- a device for opening a door or flap in or on a motor vehicle which has a simple structure and works properly.
- it is predominantly the one (single) spring that ensures that the transmission lever completes the different actuation paths described during its actuation. Due to the interaction of the transmission lever with the spring or the lack of interaction during the first actuation path, a user acting on the flange can find out in a tactile way in which area of actuation he is located. This makes it easy to distinguish between the electrical opening that typically takes place during the first and / or second actuation path on the one hand and a type of emergency actuation or emergency opening during the third actuation path on the other. This is where the main advantages can be seen.
- FIG. 1 to 3 the inventive device for opening a door or flap in or on a motor vehicle in various functional positions ver.
- the figures show a device for opening a door 1 or a flap in or on a motor vehicle.
- the device has a handle 2, which in the exemplary embodiment is an outside door handle.
- a sensor 4 is assigned to the handle 2 or a transmission lever 3 connected to the handle 2.
- the sensor 4 is, for example, a switch and in particular a microswitch.
- the transmission lever 3 is beauf with the help of a spring 5 beauf.
- the basic structure also includes a control unit 6, which evaluates signals from the sensor 4 and, as a function thereof, acts on a motor drive 7 for a motor vehicle lock 8.
- the motor vehicle lock 8 is a motor vehicle door lock 8 that locks the door 1 or motor vehicle door.
- the motor vehicle lock or motor vehicle door lock 8 essentially has a lock 9, 10 comprising a rotary latch 10 and a pawl 9 securing the rotary latch 10.
- a locking bolt 11 provided on the body side is caught and secured in a known manner as soon as the door or motor vehicle door 1 is in the closed state relative to the body.
- the pawl 9 in the exemplary embodiment can now be pivoted in the indicated counterclockwise direction so that it releases the rotary latch 10, which in turn swings open with a spring strike and releases the previously caught locking bolt 11.
- the associated motor vehicle door 1 can be issued in the course of the “electrical opening” described.
- an emergency opening and / or emergency unlocking function is basically also possible possible.
- the handle 2 ensures that the locking mechanism 9, 10 is unlocked or opened by acting on the transmission lever 3.
- a mechanical connection 12 indicated in the figures, between the transmission lever 3 and the motor vehicle door lock 8, which is closed or can be closed in particular for the emergency opening already mentioned, is or can be implemented.
- the functional position according to FIG. 3 corresponds, as will be explained in more detail below.
- the motor vehicle door lock 8 is finally opened electrically by interrogating the handle 2 with the aid of the sensor 4 and then, via the control unit 6, applying the motor or electromotive drive 7 to electrically open the motor vehicle door lock 8.
- the transmission lever 3 is equipped with a spring 5 beating it.
- the spring 5 is a leaf spring which is made from an elongated narrow strip of metal.
- the spring or leaf spring 5 can also be produced from plastic.
- the spring or leaf spring 5 interacts in detail with an actuating pin 3a on the transmission lever 3.
- the actuating pin 3a has a largely cylindrical cross-section.
- the actuating pin 3a is located at an opposite end on an axis 3b of the transmission lever 3.
- the transmission lever 3 can be pivoted about the axis 3b in question about the axis 3b in question to open the motor vehicle door lock 8 in the counterclockwise direction, also indicated in the figures, by a pulling action on the handle 2, which is indicated in the figures, so that, starting from the position shown in
- the spring or leaf spring 5 is opposite the transmission lever 3 with its narrow side.
- the leaf spring 5 has a contour leg 5a and a fastening leg 5b.
- the contour leg 5a interacts with the transmission lever 3 or the actuating pin 3a on the transmission lever 3.
- the fastening leg 5b ensures that the leaf spring 5 is anchored or can be anchored in a housing not shown in the exemplary embodiment.
- the contour leg 5a of the leaf spring 5 is divided into three different areas 5ai, 5a2 and 5a3.
- the first area 5ai of the spring 5 corresponds to a first actuation path Bi of the transmission lever 3.
- the second area of the spring 5a2 belongs to a second actuation path B2 following the first actuation path Bi.
- a third actuation path B3 following the actuation path B2 of the transmission lever 3 finally corresponds to the third area 5a3 of the spring or leaf spring 5.
- the transfer lever 3 or its actuating pin 3a reaches the second area 5a2 of the spring 5 after completing the first actuating path Bi belongs to the second actuation path B2.
- a force threshold to be detected in a tactile manner by an operator acting on the handle 2.
- the second area 5a2 of the spring 5 now ensures that the transmission lever 3 is acted upon by a counterforce G which is directed opposite to an actuating force F and which is built up in the associated FIG. 2 when the force threshold already mentioned is reached by the spring 5.
- the force F and the counterforce enclose an obtuse angle, so that the counterforce G has at least one force component directed opposite to the actuating force F, which overall ensures that the transmission lever 3 is braked, as it were, and that an operator can use this force threshold tactilely when the handle 2 is applied can capture.
- the second area 5a2 of the spring 5 merges into the previously mentioned third area 5a3, which, when the transfer lever 3 continues to act in the counterclockwise direction indicated in relation to the axis 3b during the third actuation path B3, transfers the transfer lever 3 with one shown in FIG 3.
- the restoring force R shown in the drawing is applied.
- the restoring force R generated by the spring or leaf spring 5 corresponds to a force vector shown in FIG. 3, which is oriented at a distance from the axis 3b of the transmission lever 3. In fact, it can be seen from the illustration in FIG.
- an extension of the force vector of the restoring force R points into an area below the axis 3b, so that as a consequence of this, the restoring force R corresponds to a restoring torque that opposes the transmission lever 3 its normal actuation direction is applied counterclockwise clockwise with respect to the axis 3b and consequently provides for a return of the transmission lever 3 in the direction of its rest position shown in FIG.
- this third actuation path B3 of the transmission lever 3 corresponds to the fact that the force threshold according to FIG. 2 is, as it were, “exceeded”.
- the mechanical connection 12 from the transmission lever 3 to the motor vehicle door lock 8 is closed and the motor vehicle door lock 8 as described be mechanically unlocked and / or opened.
- Fig. 1 the rest position of the inventive device Z to open the door 1 is shown. If, starting from this rest position, the user applies a pulling action to the flange handle 2, the transmission lever 3 is pivoted counterclockwise about its axis 3b with practically no resistance during the first actuation path Bi. At the same time, this counterclockwise pivoting movement of the transmission lever 3 ensures that the sensor 4 is actuated.
- the actuation of the sensor 4 is registered by the control unit 6 and ensures that the motor drive 7 is acted upon to open the locking mechanism 9, 10 according to the exemplary embodiment. That is, in accordance with signals from the sensor 4, the motor vehicle lock or motor vehicle door lock 8 is acted upon with the aid of the motor drive 7, for example unlocked and / or opened.
- the user is confronted with the force threshold then generated by the spring 5 as shown in FIG. 2 during the transition to the second actuation path B2.
- the sensor 4 can still be acted upon, or it is also possible that the sensor 4 is not further acted upon.
- the counterforce G generated by the spring 5 when completing the second actuation path B2 ensures that the operator makes it more difficult for the operator to act on the flange handle 2 and that this is registered tactilely as a force threshold.
- the force threshold according to FIG. 2 is exceeded in a certain way only for the purpose of emergency opening. This happens when completing the third actuation path B3 of the transmission lever 3 as shown in FIG. 3. This leads to the mechanical connection 12 being closed by the transmission lever 3 and the motor vehicle door lock 8 mechanically unlocked and / or opened, which is Normal operation is expressly neither intended nor intended.
- the transmission lever 3 shown is, in the context of the exemplary embodiment, an external actuation lever.
- the handle 2 is designed as an outside door handle.
- the transfer lever 3 can also be designed as an internal operating lever.
- the handle 2 is an inside door handle.
- the transmission lever 3 can be arranged on the handle side, that is to say in or on the handle 2, and in or on the motor vehicle door lock 8.
- mixed forms are also conceivable.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019117307.8A DE102019117307A1 (en) | 2019-06-27 | 2019-06-27 | DEVICE FOR OPENING A DOOR OR FLAP IN OR ON A MOTOR VEHICLE |
PCT/DE2020/100497 WO2020259750A1 (en) | 2019-06-27 | 2020-06-15 | Device for opening a door or flap in or on a motor vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3990729A1 true EP3990729A1 (en) | 2022-05-04 |
EP3990729B1 EP3990729B1 (en) | 2024-05-29 |
Family
ID=71527540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20737342.4A Active EP3990729B1 (en) | 2019-06-27 | 2020-06-15 | Opening device for a door or wing in or on a motor vehicle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3990729B1 (en) |
DE (1) | DE102019117307A1 (en) |
WO (1) | WO2020259750A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10309644A1 (en) | 2003-03-06 | 2004-09-16 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Device for motorized actuation and emergency device for manual actuation of a lock for flaps or doors of vehicles, in particular a glove box lock |
DE102006005262A1 (en) | 2006-02-02 | 2007-08-09 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Quasi-fixed door handle with tactile feedback |
DE102012003698A1 (en) * | 2012-02-28 | 2013-08-29 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Motor vehicle lock |
DE102016014773B4 (en) * | 2016-12-10 | 2024-03-28 | Audi Ag | Unlocking device for a vehicle lid |
DE102017123258A1 (en) * | 2017-10-06 | 2019-04-11 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Door handle assembly of a motor vehicle |
-
2019
- 2019-06-27 DE DE102019117307.8A patent/DE102019117307A1/en active Pending
-
2020
- 2020-06-15 EP EP20737342.4A patent/EP3990729B1/en active Active
- 2020-06-15 WO PCT/DE2020/100497 patent/WO2020259750A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2020259750A1 (en) | 2020-12-30 |
EP3990729B1 (en) | 2024-05-29 |
DE102019117307A1 (en) | 2020-12-31 |
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