EP1567736B1 - Dispositif d'assistance a la fermeture pour porte de vehicule - Google Patents
Dispositif d'assistance a la fermeture pour porte de vehicule Download PDFInfo
- Publication number
- EP1567736B1 EP1567736B1 EP03773733A EP03773733A EP1567736B1 EP 1567736 B1 EP1567736 B1 EP 1567736B1 EP 03773733 A EP03773733 A EP 03773733A EP 03773733 A EP03773733 A EP 03773733A EP 1567736 B1 EP1567736 B1 EP 1567736B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- closing
- disc
- closing aid
- cam
- spring
- 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.)
- Expired - Lifetime
Links
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- 238000007906 compression Methods 0.000 claims description 21
- 230000000750 progressive effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000003213 activating effect Effects 0.000 abstract 1
- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical compound O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
-
- 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
- E05B81/21—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening with means preventing or detecting pinching of objects or body parts
-
- 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
Definitions
- the invention relates to a closing aid for closing a door provided with a door lock vehicle door, hood, trunk lid, tailgate.
- Such a closing aid is for example from the DE 199 21 517 C2 known.
- the closing aid comprises a bolt-shaped or bow-shaped closing element, which is movable on the one hand by means of a drive motor from a Ent- in a locking position and which on the other hand in the unlocked position by a door lock associated pivotable fork bolt is gripped around, so that the closing element in its movement in the locking position via the fork bolt pulls the vehicle door (against the force of the deforming door seal) in its closed position.
- the transmission of the drive device has a driven gear and a downstream of this cam with an eccentric to the axis of rotation arranged actuating cam, which acts via a lever linkage on a pivoting support plate carrying the closing element.
- the Applicant has already proposed in a parallel patent application that the actuating cam of the cam wheel engages directly in the support plate of the closing element and causes its displacement.
- the cam and the cam wheel upstream driven wheel of the drive means are connected to each other via a switchable locking body coupling comprising a plurality of spring-loaded detent balls, which laterally positively in corresponding, evenly distributed over the circumference arranged recesses of the driven gear are mounted and pressed by a compression spring assembly against recessed wall portions of the cam wheel.
- the detent balls are pushed out of the recessed wall portions of the cam wheel, and the cam wheel is rotatable relative to the driven wheel until the vehicle door is closed.
- the SperrSystemkupplung causes a terminal protection. Because the Zuziehablauf this closing aid is hindered because in the gap between the vehicle door and the vehicle body is an object, the clutch causes the cam and thus the support plate remain with striker and the driven wheel continues to rotate with respect to the cam to its starting position. There, a touch switch generates a corresponding signal, which is evaluated by an electronic control unit, which in turn switches off the drive motor.
- the contact pressure of the detent balls in the recessed wall portions of the cam wheel pressing spring must be chosen such that the closing aid closes the respective vehicle door against the pressure of the door seals safely, without causing a disengagement of the cam wheel is to be feared, the contact pressure in the order of magnitude from 800 to 1000 N. Therefore, at the beginning of closing, if it is inadvertently received e.g. a hand of the vehicle door closing person in the gap between the vehicle door and the vehicle body, so act first significant forces on the hand before the clutch disengages and shuts off the closing aid. This can lead to serious injuries of the hand.
- the present invention is therefore based on the object at a closing aid with locking body coupling between the output gear and the cam wheel to improve the terminal protection, without thereby affecting the closing function of the closing aid.
- the invention is based essentially on the idea to apply the detent balls by means of a compression spring arrangement whose stiffness increases when closing the vehicle door by means of the closing aid, ie to use a compression spring arrangement having a progressive spring characteristic.
- the Sch concentratedwegpacke change in the stiffness of the compression spring assembly can be realized in that the compression spring assembly with progressive spring characteristic on its side facing away from the locking balls on a rotatably mounted in the closing aid, but axially displaceable thrust washer is supported, wherein the thrust washer of a non-rotatably connected to the driven wheel cam when turning the output gear from the Ent- is moved to the locked position.
- the compression spring arrangement consists of at least a two-stage stratified disk spring assembly, so that the progressive spring characteristic of the compression spring assembly is approximated by at least two rectilinear spring characteristic ranges.
- the first of the detent balls facing stage of the plate spring assembly of a single plate spring high rigidity and the second of the pressure plate facing stage of the plate spring assembly consist of two roof-shaped abutting disc springs lower rigidity.
- control disk comprises on its pressure plate facing the end face at least two evenly distributed over the circumference arranged control cam with wedge-shaped control surface, which are supported on corresponding wedge-shaped projections of the thrust washer.
- closing aid 1 shows an embodiment of a closing aid according to the invention for closing the tailgate of a motor vehicle, not shown, and 2 denotes a dashed line indicated electronic control unit.
- the closing aid 1 is doing at the rear Body of the vehicle mounted in the region of the tailgate opening, which is opposite to the door lock of the tailgate.
- the closing aid 1 comprises a drive device 3 with a drive motor 4 and a gear 5 downstream of the engine with a driven gear 6 rotatable about a rotation axis 6.
- the output gear 6 is connected via a blocking body clutch 7 ( Figure 2) with a cam 8, which also at the rotation axis 9 is rotatably arranged and carries an eccentrically arranged to the rotation axis 9 actuating cam 10.
- the blocking body clutch 7 comprises a plurality of spring-loaded detent balls 11, e.g.
- the cam wheel 8 is formed on its side facing away from the actuating cam 10 as a pivot bearing for the output gear 6, whereby a particularly compact construction of the closing aid 1 is achieved.
- the actuating cam 10 of the cam wheel 8 engages in a recess 15 of a support plate 16, to which a lock element 17 designed as a closing element is attached.
- the closing aid 1 contains two contact switches 18, 19 (FIG. 1) serving as sensors, which are connected to the electronic control unit 2 via electrical lines and in each case generate a signal when the actuating cam 10 of the cam wheel 8 has reached the locking or unlocking position ,
- a corresponding, over a portion of the circumference extending longitudinal cam 20 is provided on the output gear 6 of the drive device 3, which is contacted by the respective touch switch 18, 19.
- the closing aid 1 further comprises a pivotally mounted, acted upon by a torsion spring 21 locking lever 22, on which the support plate 16 is supported in the locked position of the closing aid 1 to relieve the drive means 3.
- a torsion spring 21 locking lever 22 acted upon by a torsion spring 21 locking lever 22, on which the support plate 16 is supported in the locked position of the closing aid 1 to relieve the drive means 3.
- the position of the locking lever 22 by means of a connected to the electronic control unit 2 touch switch 23 monitored.
- the compression spring assembly 13 consists of a two-stage disc spring assembly, each stage has a linear spring characteristic region 100, 101 has ( Figure 7).
- the first stage 24 facing the detent balls 11 consists of a single plate spring 26 of high rigidity (corresponding to the spring characteristic area 101 in FIG. 7).
- the second stage 25 consists of two roof-shaped contiguous disc springs 26, 27 substantially lower rigidity (corresponds to the spring characteristic area 100 in Figure 7). This second stage 25 is supported on its side facing away from the first stage 24 from a rotatably mounted in the housing of the closing aid pressure plate 28 from which is rotatably disposed in the direction of the axis of rotation 9 by a rotatably connected to the output gear 6 control disk 29.
- the control disk 29 has on its the thrust washer 28 facing end face, evenly distributed over the circumference three provided with wedge-shaped control surfaces 30 control cam 31 ( Figure 3), in which after rotation of the driven gear 6 by a predetermined angle corresponding wedge-shaped projections 32 of the thrust washer 28 (Fig.4) support.
- the operation of the closing aid 1 will be described. It is assumed that the arrangement shown in Figures 1 to 4, in which the striker 17 is in the unlocked position.
- the tailgate of the vehicle not shown, is based on the rear-side body, and the door lock is in its pre-locking position, in which the fork bolt of the door lock comprises the striker 17 and is secured by a pawl. Simultaneously with the securing of the forked catch by the pawl is achieved via a e.g. located in the door lock microswitch the drive motor 4 of the closing aid 1 via the electronic control unit 2 is activated and the cam 8 rotates from the position shown in Figure 1 in a clockwise direction.
- the striker 17 is attracted against the pressure of the tailgate seal to the vehicle and thus begins to draw the tailgate.
- the control cam 31 of the control disk 29 reach the projections 32 of the pressure plate 28.
- the pressure plate 28 is pressed against the plate springs 26, 27.
- the spring travel of these disc springs 26, 27 is compressed to "block” by the pressure plate 28 ( Figures 5 and 6).
- the plate spring 24 is supported via the spring block directly against the pressure plate 28, so that the contact pressure of the plate spring 24 on the detent balls 11 in the order between 600-800 N is effective (the compression spring assembly 13 is located in Fig.7 in the Spring characteristic range 101).
- the drive motor 4 is again activated by the electronic control unit 2, for example, by operating a tailgate handle and rotates the cam 8 counterclockwise back to its original position.
- the locking lever 22 is pushed back and pushed the support plate 16 of the striker 17 by the actuating cam 10 of the cam 8 again in its open position.
- the drive motor 4 is turned off and the door lock can then be opened, for example by pressing a handle or a lock cylinder.
- the tailgate can also be closed manually, for example in the event of a power failure, so that the striker 17 is manually pressed from the unlocked position into the locking position.
- the tailgate is pushed with a minimum force to the vehicle.
- the detent balls 11 of the clutch 7 are pressed against the compression spring assembly 13, so that the cam 8 is rotated with the striker 17 relative to the driven gear 6, without the drive means 3 is damaged.
- the closing force only needs to be as large as the contact pressure of the two disc springs 26, 27 of the compression spring assembly thirteenth
Landscapes
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Pens And Brushes (AREA)
- Automatic Tape Cassette Changers (AREA)
Claims (7)
- Aide à la fermeture, servant à verrouiller une portière de véhicule, un capot-moteur, un couvercle de coffre à bagages, un hayon arrière, équipés d'une serrure, sachant que :l'aide à la fermeture (1) comprend un élément de fermeture (17) en forme d'axe ou d'étrier ;l'élément de fermeture (17) peut d'une part se déplacer de la position de verrouillage à la position de déverrouillage à l'aide d'un dispositif d'entraînement (3) de l'aide à la fermeture, lequel dispositif (3) contient un moteur d'entraînement (4) suivi d'un réducteur (5), et il peut d'autre part, lorsqu'il est dans la position de déverrouillage, être enveloppé par un pêne pivotant en forme de fourche affecté à la serrure de façon telle qu'en se déplaçant dans la position de fermeture, l'élément de fermeture (17) tire la portière dans sa position finale de fermeture ;le réducteur (5) du dispositif d'entraînement (3) comprend une roue de sortie (6) qui peut tourner autour d'un axe de rotation (9) et est reliée, via un accouplement à corps d'arrêt (7) de l'aide à la fermeture, à une roue à cames (8) de l'aide à la fermeture, laquelle roue à cames peut tourner autour du même axe de rotation (9) que la roue de sortie (6) et porte une came de manoeuvre (10) placée en position excentrique par rapport à l'axe de rotation (9) et provoquant le déplacement d'une plaque-support (16) qui porte l'élément de fermeture (17) ;l'accouplement à corps d'arrêt (7) contient plusieurs billes d'arrêt (11) soumises à l'action de ressorts, logées latéralement sans glissement dans des creux (12) répartis de manière régulière sur la circonférence de la roue de sortie (6) et poussées par un ensemble de ressorts de compression (13) de l'aide à la fermeture contre des zones en creux (14) de la paroi de la roue à cames (8) ;l'ensemble de ressorts de compression (13) présente une courbe caractéristique progressive et s'appuie sur son premier côté sur les billes d'arrêt (11) et sur son second côté sur une rondelle de butée (28) logée dans l'aide à la fermeture (1) sans pouvoir tourner et pouvant être déplacée vers l'axe de rotation (9) par un plateau de commande (29) relié à la roue de sortie (6) sans pouvoir tourner, de façon telle que lors de la rotation de la roue de sortie (6) de la position de déverrouillage vers la position de verrouillage, la rigidité de l'ensemble de ressorts de compression (13) augmente ;
- Aide à la fermeture selon la revendication 1, caractérisée en ce que l'ensemble de ressorts de compression (13) est composé d'au moins un ensemble de rondelles-ressorts à deux étages, sachant que la rigidité des rondelles-ressorts (24, 25, 26) est choisie de façon que la courbe caractéristique élastique progressive de l'ensemble des ressorts de compression (13) soit approchée par au moins deux courbes caractéristiques droites.
- Aide à la fermeture selon la revendication 2, caractérisée en ce que le premier étage (24) de l'ensemble de ressorts à compression (13), donc l'étage tourné vers les billes d'arrêt (11), est composé d'un seule et unique rondelle-ressort (24) à haute rigidité et que le second étage (25) de l'ensemble de ressorts à compression (13), tourné lui vers la rondelle de butée (28), est composé de deux rondelles-ressorts juxtaposées en forme de toit (26, 27) et présentant une plus faible rigidité, de façon que lors de la rotation de la roue de sortie (6) de la position de déverrouillage vers la position de verrouillage jusqu'à une certaine course élastique prédéfinie, seules les rondelles-ressorts (26, 27) du premier étage (26) soient comprimées en formant un bloc et que l'accouplement (7) puisse être découplé avec une force peu élevée, et de façon qu'ensuite, seule la rondelle-ressort (24) à rigidité élevée du premier étage (24) soit active de sorte que l'accouplement (7) ne puisse plus être découplé que grâce à une force nettement plus élevée.
- Aide à la fermeture selon la revendication 3, caractérisée en ce que les rondelles-ressorts (24, 26, 27) de l'ensemble de ressorts de compression (13) sont choisies de façon que pour le découplage de l'accouplement (7), jusqu'à ce que les rondelles-ressorts (26, 27) du second étage (25) forment un bloc, il faille, pour découpler l'accouplement (7), des forces comprises entre 200 et 400 N et qu'après la formation du bloc de ces rondelles-ressorts (26, 27) il faille des forces comprises entre 600 et 1000 N.
- Aide à la fermeture selon l'une des revendications 1 à 4, caractérisée en ce que le plateau de commande (29) comprend sur sa face frontale tournée vers la rondelle de butée (28) au moins deux cames de commande (31) réparties régulièrement à sa circonférence et présentant une face de commande e (30) en forme de côté, lesquelles cames s'appuient sur des saillies de forme conique équivalente (32) de la rondelle de butée (28).
- Aide à la fermeture selon la revendication 5, caractérisée en ce que le plateau de commande (29) comporte trois cames de commande (31) réparties régulièrement à sa circonférence.
- Aide à la fermeture selon l'une des revendications 1 à 6, caractérisée en ce que, sur son côté tourné à l'opposé de la came de manoeuvre (10), la roue à cames (8) a la forme d'un palier rotatif pour la roue de sortie (6).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10251354A DE10251354B4 (de) | 2002-11-05 | 2002-11-05 | Schließhilfe zum Verschließen einer Fahrzeugtür |
DE10251354 | 2002-11-05 | ||
PCT/EP2003/050769 WO2004042178A1 (fr) | 2002-11-05 | 2003-10-31 | Dispositif d'assistance a la fermeture pour porte de vehicule |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1567736A1 EP1567736A1 (fr) | 2005-08-31 |
EP1567736B1 true EP1567736B1 (fr) | 2007-07-18 |
Family
ID=32115206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03773733A Expired - Lifetime EP1567736B1 (fr) | 2002-11-05 | 2003-10-31 | Dispositif d'assistance a la fermeture pour porte de vehicule |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1567736B1 (fr) |
AT (1) | ATE367495T1 (fr) |
DE (2) | DE10251354B4 (fr) |
WO (1) | WO2004042178A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004036653B4 (de) * | 2004-07-28 | 2008-12-04 | BÖCO Böddecker & Co. GmbH & Co. KG | Vorrichtung zum automatischen Schließen einer Fahrzeug-Tür |
DE102004050631A1 (de) * | 2004-10-18 | 2006-04-20 | Siemens Ag | Schließbügel-Antriebseinrichtung |
FR2948960B1 (fr) * | 2009-08-06 | 2011-12-09 | Valeo Securite Habitacle | Actionneur a assistance a la fermeture pour serrure d'ouvrant de vehicule automobile et dispositif associe |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3721963C1 (en) * | 1987-07-03 | 1988-10-13 | Kiekert Gmbh Co Kg | Motor-vehicle door fastening |
US4796932A (en) * | 1987-09-22 | 1989-01-10 | Hoover Universal, Inc. | Remote release and pull-down unit |
US5979114A (en) * | 1995-07-12 | 1999-11-09 | Valeo Electrical Systems, Inc. | Electronic control and method for power sliding van door with rear-center-mounted drive |
DE19809346C5 (de) * | 1998-03-05 | 2016-11-03 | Insys Microelectronics Gmbh | Elektromechanische Schließvorrichtung, insbesondere Schloß |
DE19811977A1 (de) * | 1998-03-19 | 1999-09-30 | Mannesmann Vdo Ag | Schneckengetriebe |
DE19921517C2 (de) * | 1999-05-10 | 2001-03-15 | Valeo Gmbh & Co Schliessyst Kg | Vorrichtung zum Verschließen einer Fahrzeugtür |
-
2002
- 2002-11-05 DE DE10251354A patent/DE10251354B4/de not_active Expired - Fee Related
-
2003
- 2003-10-31 DE DE50307730T patent/DE50307730D1/de not_active Expired - Lifetime
- 2003-10-31 EP EP03773733A patent/EP1567736B1/fr not_active Expired - Lifetime
- 2003-10-31 WO PCT/EP2003/050769 patent/WO2004042178A1/fr active IP Right Grant
- 2003-10-31 AT AT03773733T patent/ATE367495T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE50307730D1 (de) | 2007-08-30 |
DE10251354B4 (de) | 2012-04-19 |
ATE367495T1 (de) | 2007-08-15 |
WO2004042178A1 (fr) | 2004-05-21 |
EP1567736A1 (fr) | 2005-08-31 |
DE10251354A1 (de) | 2004-05-19 |
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