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EP3999701B1 - Dispositif de fermeture de véhicule à moteur - Google Patents

Dispositif de fermeture de véhicule à moteur Download PDF

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Publication number
EP3999701B1
EP3999701B1 EP20739845.4A EP20739845A EP3999701B1 EP 3999701 B1 EP3999701 B1 EP 3999701B1 EP 20739845 A EP20739845 A EP 20739845A EP 3999701 B1 EP3999701 B1 EP 3999701B1
Authority
EP
European Patent Office
Prior art keywords
spring
support means
adjustment mechanism
motor vehicle
locking device
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.)
Active
Application number
EP20739845.4A
Other languages
German (de)
English (en)
Other versions
EP3999701A1 (fr
Inventor
Thomas Waldmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kiekert AG
Original Assignee
Kiekert AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kiekert AG filed Critical Kiekert AG
Publication of EP3999701A1 publication Critical patent/EP3999701A1/fr
Application granted granted Critical
Publication of EP3999701B1 publication Critical patent/EP3999701B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0458—Leaf springs; Non-wound wire springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0496—Springs actuated by cams or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
    • E05B77/24—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
    • E05B77/26—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like specially adapted for child safety
    • E05B77/265—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like specially adapted for child safety hand actuated, e.g. by a lever at the edge of the door

Definitions

  • the invention relates to a motor vehicle locking device comprising a locking mechanism with a rotary latch and at least one pawl, an actuating lever mechanism acting on the pawl and a child safety device with an adjusting element, wherein the adjusting element can be locked in at least two positions and a spring element on the adjusting element, wherein the spring element interacts with a control curve in such a way that the adjusting element can be adjusted into the locking position under spring load.
  • Motor vehicle locking devices with an integrated child safety device are usually provided on rear side doors of motor vehicles in order to deactivate the inside door handles in a "child safety lock on” position.
  • the side door in question can still be opened from the outside because the outside door handle remains activated.
  • the "child safety lock on" position of the child safety device or the child safety lock lever therefore corresponds to the previously mentioned selective deactivation of the inside door handle, which as a result becomes idle and is not able to open a locking mechanism in the motor vehicle locking device.
  • the "child safety lock off" position of the child safety device corresponds to the inside door handle being activated and consequently the pawl being able to lift off the rotary latch via the actuating lever mechanism.
  • the associated motor vehicle side door can be opened without any problem, both from the inside and the outside. This functionality has has proven itself in principle and can of course also be transferred and extended to other vehicle doors.
  • switching nuts In order to be able to manually engage the child safety lock from the outside, so-called switching nuts are often used, whereby a key can be inserted into this switching nut and the child safety lock can be engaged or disengaged.
  • the switching nut is usually swivelled for this purpose.
  • DE 10 2014 114 347 A1 A child safety device has become known in which the child safety lever can be positioned by means of a spring and in cooperation between the spring and a stationary pin.
  • the child safety lever has a guide groove, whereby the guide groove has different widths, whereby the pin can be adjusted to its end positions.
  • An actuating element that is pivotably mounted in a motor vehicle lock has a spring element that is integrally formed on the actuating element, whereby the spring element engages in a control contour.
  • the spring element is made of plastic and has a web-like, V-shaped edge that interacts with grooves in the control contour. When the actuating element is adjusted or pivoted, the spring element is elastically deformed and supports the adjustment to the different locking positions through the formation of the control contour.
  • the further state of the art also includes a locking system, in particular a door lock, as described in the DE 10 2007 055 413 A1
  • This locking system has a Rotating body on which it can be pivoted between a first stable position and a second stable position.
  • a spring element is deflected along an associated movement path.
  • the object of the invention is to provide a child safety device that enables the locking positions to be reached safely and, in particular, with long-term stability, even with less elastic materials and higher spring forces.
  • the object of the invention is to provide a structurally simple and cost-effective and thus overall improved child safety device for a motor vehicle locking device.
  • the motor vehicle locking device has: a locking mechanism with a rotary latch and at least one pawl, an actuating lever mechanism acting on the pawl and a child safety device with an adjusting element, wherein the adjusting element can be locked in at least two positions and a spring element on the adjusting element, wherein the spring element interacts with a control curve in such a way that the adjusting element can be adjusted into the locking positions under spring load, and wherein the spring element is designed as a spring lip.
  • the inventive design of the child safety device now makes it possible to use inelastic materials, for example plastics with a glass fiber content, in the area of the child safety device. The glass fiber content in the plastic increases the resistance of the spring lip, whereby the locking positions can be reached safely and with long-term stability.
  • the spring lip extends from the actuating element in the direction of a control contour, wherein in an advantageous embodiment the spring lip has a thickening that can be brought into engagement with the control contour.
  • the spring lip has at least one elongated extension that extends from the actuating element at least in some areas along the actuating element, so that sufficient spring travel can be achieved for the spring lip.
  • the extension of the spring lip along the actuating element and preferably along an axial extension of the actuating element have different lengths.
  • the thickening which can in particular be a spring nose, an additional safety measure is integrated into the child safety lock.
  • the thickening preferably has a conical shape, with the thickening tapering from the spring lip towards the control contour, in other words the thickening on the spring lip can be designed conically in the direction of the control contour.
  • the spring lip can be pivoted into the actuating element.
  • the actuating element in such a way that the spring lip can be pivoted into the interior of the actuating element, the installation space required for the child safety device is reduced.
  • the spring travel for the spring lip can be limited by the opening or the cavity in the actuating element. The cavity can thus provide a support for the spring lip.
  • pivoting the spring lip in the installation space for implementing an actuating element in conjunction with a control contour can advantageously be reduced.
  • control contour can be provided, for example, by a correspondingly contoured area of a housing of the locking device.
  • the actuating element then interacts with the contour or control contour on the housing.
  • the control contour and spring lip are advantageously designed in such a way that that the end positions or locking positions of the actuating element can be reached safely and at the same time the control contour can be designed in such a way that the actuating element can be prevented from remaining in a middle position.
  • the control contour can have a tip in the middle in the direction of the actuating element, which interacts with a tapered or pointed contour on the spring lip, so that the actuating element is in an indifferent, i.e.
  • the actuating element will pivot into one of the two locking positions due to the geometric shape of the contours of the control contour and the spring lip. An undefined intermediate position on the actuating element is effectively prevented by the pointed contour.
  • a support means is provided, wherein the support means can be brought into engagement with the actuating element at least during adjustment of the actuating element.
  • a support means can be, for example, a rear wall of a depression or a cavity or a recess in the actuating element.
  • the spring lip is bent into the actuating element by the movement and the interaction with the control contour and rests against the rear wall or the inner opening of the actuating element.
  • This provides the spring lip with support, which enables the spring lip to be permanently stable.
  • the support means is spaced far enough from the spring lip that, on the one hand, the spring lip can be supported and, on the other hand, the control contour can be passed over in every way.
  • the spring lip is elastically deformed without undergoing plastic deformation. This means
  • the child safety lock has a high level of functional reliability and can also be used permanently.
  • a further embodiment of the invention arises when the support means extends into a cavity, in particular a recess, of the actuating element.
  • the formation of a separate support means on the actuating element offers a further advantage, namely that the separate support means is also movable or pivotable. If the spring lip is moved into the actuating means when pivoting or twisting the actuating means, the spring lip engages with the support means, whereby the support means also bends when the spring lip is moved further in and thus forms an elastic abutment for the spring lip.
  • the actuating means therefore has two spring elements that interact and support each other.
  • the support means advantageously extends into the cavity of the actuating means and can, for example, extend into the cavity as a cylindrical or oval pin. When extended, the support means reaches at least far enough into the cavity to enable the spring lip and support means to interact.
  • the spring lip and the support means are arranged opposite one another on the adjusting means.
  • the spring lip can be arranged at one axial end on the adjusting element, whereas the support means extends from an opposite axial end of the adjusting means in the direction of the spring lip.
  • the interaction of the spring lip and the support means determines the force applied to the spring lip. acting force is divided, in particular, between the opposite sides of the actuating element, whereby on the one hand the counterforce on the control contour and thus the force required to move the actuating means can be adjusted and at the same time the long-term stability of the actuating element can be increased or ensured through the load distribution.
  • the support means can be pivoted by means of the spring lip until the support means rests on the actuating means, this results in a further advantageous embodiment of the invention.
  • the force opposing the control contour can be opposed by a further force if the support means rests on the actuating element.
  • This rest can also provide a stop for the spring lip, which can prevent excessive deformation of the spring lip.
  • the spring lip and support means work together and complement each other in such a way that the support means serves to increase the spring force of the actuating element.
  • a further embodiment of the invention is achieved when the adjusting means is made of plastic and is formed in one piece with the spring lip, the thickening and the support means.
  • the adjusting element is preferably a plastic injection-molded component and is manufactured in one piece. If materials such as polybutylene terephthalate (PBT) or polyamide (PA) are usually used, it is also conceivable to use plastics with a glass fiber content. Plastics with a glass fiber content offer the advantage that higher counterforces against the control contour can be achieved. At the same time, however, the elasticity of the material decreases as the glass fiber content increases, which in turn reduces the spring travel of the spring lip. or the support means is reduced. The longer the spring travel, the higher the risk of spring breakage.
  • PBT polybutylene terephthalate
  • PA polyamide
  • the spring travel must be increased. Increasing the spring travel, in turn, carries the risk of spring breakage.
  • the spring lip can be provided with an additional support moment, which minimizes the risk of spring breakage. Tests have shown that the moment generated on the spring lip can be significantly increased with the use of a support means, with an approx. 25% higher spring force being achievable with the spring lip. If, for example, the moments on the spring lip are recorded while the spring lip is in engagement with the control contour, moments of approx. 30-35 Nm can be measured on the support means without a support means, whereas a moment of approx. 45 Nm can be measured when the support means is used. By using the support means, the spring force of the spring lip in relation to the control contour can be significantly increased.
  • the actuating element is adjustable, in particular pivotable, with an actuating means and in particular via an engagement contour, this results in a further embodiment variant of the invention.
  • the actuating means is in particular an actuating means for a child safety lock, wherein the actuating means is arranged in the motor vehicle lock so that it can be adjusted manually and preferably pivoted.
  • An engagement contour serves to preferably pivot the actuating means and to insert or remove a child safety lock.
  • the engagement contour can, for example, be designed in the shape of a slot, so that the actuating means can be opened using a bunch of keys or a screwdriver. is adjustable.
  • the engagement contour is preferably accessible from the outside and even more preferably from the area of a door rebate of the open rear side door.
  • the actuating element has an actuating contour, in particular an actuating lever.
  • the actuating element is used to engage the child safety lock and works together in the motor vehicle lock, for example, with a mechanism for the internal actuation of the motor vehicle lock.
  • the internal actuation has an internal door handle, which preferably actuates a release lever via an internal actuating lever.
  • the locking mechanism can then be unlocked and the door opened using the release lever.
  • the child safety lock interrupts the internal actuating chain so that internal actuation, i.e. opening of the lock, can be prevented.
  • An actuating contour formed on the actuating element can interrupt the internal actuating chain and thus ensure child safety.
  • the actuating contour is advantageously formed in one piece with the actuating element and can be designed, for example, as an actuating lever.
  • the actuating contour has a control contour and in particular an eccentric control contour, so that a continuous introduction of force into the actuating lever chain is possible.
  • FIG. 1 a three-dimensional view of an adjusting element 1 is shown, wherein the adjusting element 1 is in engagement with a control contour 2, wherein the control contour 2 can be part of a lock housing, for example.
  • the adjusting element 1 is shown in a first end position of a locking position R1, in which the spring lip 3 is in a relaxed position.
  • a thickening 4, which can be described as pointed, protrudes from the control contour 2, so that a first locking position R1 is assumed by the adjusting element 1.
  • the Actuator 1 can be moved in the direction of arrow P and starting from the Figure 1
  • the locking position R1 shown in the illustration can be swivelled clockwise so that the actuating element assumes the second locking position R2.
  • the locking positions R1, R2 are shown in the Figure 1 by the position of an engagement contour 5.
  • the locking position R1 corresponds, for example, to the functional position "child safety lock engaged", whereas the locking position R2 represents the functional position of the actuating element 1 in which the child safety lock is designed.
  • the spring lip 3 or the thickening 4 is guided along the control contour 2.
  • the control contour 2 forms a fixed system and is, for example, part of the lock housing.
  • the thickening 4 or the spring lip 3 is pivoted into the adjusting element or is bent into the adjusting element 1.
  • the maximum pivoting of the spring lip 3 takes place in the middle 6 of the control contour 2, whereby the spring lip 3 is pivoted maximally into the adjusting element 1.
  • actuating element 1 In the Figure 3 a side view of the actuating element 1 is shown. It can be seen that the actuating element 1 can be described as essentially cylindrical and extending along an axis A. It can also be clearly seen that the spring lip 3 extends from a first axial end 14 of the actuating element 1 in the direction of the engagement contour 5, the spring lip 3 having a first region 15 which is made of the same material and has a uniform thickness. This first region 15 can also be described as a spring region 15. The spring region 15 is followed by a continuously thickening region which tapers off almost to a point, so that the spring lip 3 tapers off in a thickening 4. The thickening 4 is provided with a radius at the end, which enables easy sliding on the control contour 2.
  • the radius on the thickening 4 can be used to easily move the adjusting element, but also to minimize noise during adjustment of the adjusting element 1.
  • the support means 9 extends from a further axial end 16 of the adjusting element 1 in the direction of the spring lip 3. The spring lip 3 and the support means 9 are thus formed opposite one another on the adjusting element 1.
  • FIG 4 is a section along the line IV-IV from the Figure 3
  • the opposing connection areas 14, 16 for the spring lip 3 and the support means 9 on the actuating element 1 can be clearly seen. If the actuating element 1 is now moved from the first locking position R1 to the second locking position R2, the spring lip 3 in the middle 6 of the control contour 2 is pivoted as far as possible into the cavity 8. The pivoting in takes place via a force F, which the housing 17 or the control contour 2 on the housing 17 introduces into the actuating element 1. The force F bends or pivots the spring lip 3 into the cavity 8, whereby the spring lip 3 comes into engagement with the support means 9.
  • the position of the spring lip 3 and the support means 9 in the maximum pivoted position is in the Figure 4 additionally inserted as a dashed line. It can be seen that a rear wall 18 of the cavity 8 offers a stop surface 18 for the support means 9.
  • the support means 9 thus serves as an abutment for the spring lip 3, whereby the support means itself can be supported on the cavity 8.
  • This provides maximum long-term stability of the actuating element 1 and higher spring forces can be achieved on the actuating element 1.
  • the inventive structure of the actuating element from spring lip 3 and support means 9 thus increases the functional reliability, the spring force and the long-term stability of the actuating element. Consequently, a high level of functional reliability can be achieved even with high-strength plastics, in particular glass fiber reinforced plastics.

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  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Lock And Its Accessories (AREA)

Claims (9)

  1. Dispositif de fermeture de véhicule automobile présentant un mécanisme de verrouillage comportant un loquet rotatif et au moins un cliquet de verrouillage, un mécanisme à levier d'actionnement agissant sur le cliquet de verrouillage et un dispositif de sécurité enfants comportant un élément de réglage (1), dans lequel l'élément de réglage (1) peut être encliqueté dans au moins deux positions d'encliquetage (R1, R2), et un élément élastique (3) sur l'élément de réglage (1), dans lequel l'élément élastique (3) coopère avec une came de commande (2) de telle sorte que l'élément de réglage (1) peut être réglé par sollicitation élastique dans les positions d'encliquetage (R1, R2), dans lequel l'élément élastique (3) est réalisé sous forme de lèvre élastique (3), caractérisé en ce que
    un moyen de support (9) est prévu, dans lequel le moyen de support (9) peut être amené à venir en prise avec l'élément de réglage (1) au moins pendant un réglage de l'élément de réglage (1).
  2. Dispositif de fermeture de véhicule automobile selon la revendication 1, caractérisé en ce que la lèvre élastique (3) présente un épaississement (4), en particulier un nez élastique.
  3. Dispositif de fermeture de véhicule automobile selon l'une des revendications 1 ou 2, caractérisé en ce que la lèvre élastique (3) peut être pivoté dans l'élément de réglage (1).
  4. Dispositif de fermeture de véhicule automobile selon l'une des revendications 1 à 3, caractérisé en ce que le moyen de support (9) s'étend dans une cavité (8), en particulier un évidement, de l'élément de réglage (1).
  5. Dispositif de fermeture de véhicule automobile selon l'une des revendications 1 à 4, caractérisé en ce que le moyen de support (9) peut être pivoté au moyen de la lèvre élastique (3) jusqu'à l'installation du moyen de support (9) sur le moyen de réglage (1), en particulier une surface de butée (18) de l'élément de réglage.
  6. Dispositif de fermeture de véhicule automobile selon l'une des revendications 1 à 5, caractérisé en ce que l'élément de réglage (1) est constitué de matière plastique et est réalisé d'une seule pièce avec la lèvre élastique (3), l'épaississement (4) et le moyen de support (9).
  7. Dispositif de fermeture de véhicule automobile selon l'une des revendications 1 à 6, caractérisé en ce que la lèvre élastique (3) et le moyen de support (9) sont réalisés de manière opposée sur l'élément de réglage (1).
  8. Dispositif de fermeture de véhicule automobile selon l'une des revendications 1 à 7, caractérisé en ce que l'élément de réglage (1) peut être réglé, en particulier être pivoté, au moyen d'un moyen de réglage (5) et en particulier par l'intermédiaire d'un contour de mise en prise (5).
  9. Dispositif de fermeture de véhicule automobile selon l'une des revendications 1 à 8, caractérisé en ce que l'élément de réglage (1) présente un contour d'actionnement (7), en particulier un levier d'actionnement.
EP20739845.4A 2019-07-16 2020-06-30 Dispositif de fermeture de véhicule à moteur Active EP3999701B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019119256.0A DE102019119256A1 (de) 2019-07-16 2019-07-16 Kraftfahrzeugschliesseinrichtung
PCT/DE2020/100567 WO2021008651A1 (fr) 2019-07-16 2020-06-30 Dispositif de fermeture de véhicule à moteur

Publications (2)

Publication Number Publication Date
EP3999701A1 EP3999701A1 (fr) 2022-05-25
EP3999701B1 true EP3999701B1 (fr) 2024-12-18

Family

ID=71607670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20739845.4A Active EP3999701B1 (fr) 2019-07-16 2020-06-30 Dispositif de fermeture de véhicule à moteur

Country Status (4)

Country Link
US (1) US12276138B2 (fr)
EP (1) EP3999701B1 (fr)
DE (1) DE102019119256A1 (fr)
WO (1) WO2021008651A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020103378A1 (de) 2020-02-11 2021-08-12 Kiekert Aktiengesellschaft Kraftfahrzeugschließeinrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4342502B2 (ja) 2004-11-17 2009-10-14 アイシン精機株式会社 ドアロックチャイルドプロテクタ装置
DE102007055413B4 (de) * 2007-11-19 2017-06-22 Kiekert Ag Schließsystem mit multistabiler Bauteil-Federelement-Einrichtung
DE102014114347A1 (de) * 2014-10-02 2016-04-07 Kiekert Ag Kraftfahrzeugtürverschluss
DE102017102815A1 (de) 2017-02-13 2018-08-16 Kiekert Ag Kraftfahrzeugtürschloss
DE102017111704A1 (de) * 2017-05-30 2018-12-06 Kiekert Ag Schließsystem mit drehbarem Stellelement und Federelement
US11280116B2 (en) * 2018-05-15 2022-03-22 Magna Closures Inc. Closure latch assembly with child lock having asymmetrical toggle spring arrangement

Also Published As

Publication number Publication date
EP3999701A1 (fr) 2022-05-25
WO2021008651A1 (fr) 2021-01-21
US20220259896A1 (en) 2022-08-18
US12276138B2 (en) 2025-04-15
DE102019119256A1 (de) 2021-01-21

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