WO2022185239A1 - Verrou de véhicule automobile - Google Patents

Verrou de véhicule automobile Download PDF

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Publication number
WO2022185239A1
WO2022185239A1 PCT/IB2022/051870 IB2022051870W WO2022185239A1 WO 2022185239 A1 WO2022185239 A1 WO 2022185239A1 IB 2022051870 W IB2022051870 W IB 2022051870W WO 2022185239 A1 WO2022185239 A1 WO 2022185239A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive element
motor vehicle
drive
safety
movement
Prior art date
Application number
PCT/IB2022/051870
Other languages
German (de)
English (en)
Inventor
Ping Xu
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
Priority to EP22717648.4A priority Critical patent/EP4301952A1/fr
Publication of WO2022185239A1 publication Critical patent/WO2022185239A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • 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
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action

Definitions

  • the invention relates to a motor vehicle lock, in particular a motor vehicle door lock, with a locking mechanism consisting essentially of a rotary latch and a pawl, and with an electric motor drive for the locking mechanism, the electric motor drive having a drive element that can be acted upon in at least one direction of movement and an opposite direction of movement, and at least one securing position and one opening position of the locking mechanism being controllable with the aid of the drive element.
  • motor vehicle locks mentioned are not necessarily a motor vehicle door lock. But within the scope of the invention, this also includes other motor vehicle locks, such as motor vehicle hood locks, motor vehicle tailgate locks,
  • motor vehicle locks for tailboards, tank flaps, etc.
  • the term motor vehicle lock is therefore to be interpreted broadly.
  • Motor vehicle door locks must be converted into different functional positions, depending on their design and installation position. In the case of rear motor vehicle side door locks, it is generally necessary to convert them into a child-proof and child-unlocked position. In the child-proof position, the motor vehicle side door lock in question cannot be opened from the inside. An opening from the outside is still possible. In contrast, the child-proof position corresponds to the fact that the motor vehicle side door lock in question can be opened both from the inside and from the outside.
  • safety position within the scope of the present application also includes other functional positions of motor vehicle door locks, for example “thief steel-proof” and "theft-unlocked”. While, for example, the "locked" position corresponds to the fact that the relevant Motor vehicle door lock can not be opened from the outside but not from the inside, the "theft-proof” position allows an opening neither from the inside nor from the outside.
  • securing position or unlocking position is to be interpreted broadly within the scope of the present application and includes the functional positions previously referred to as examples, for example “child secured”, “theft unlocked”, “locked” and “unlocked” etc. All these securing positions are nowadays typically approached by a motor, for which the electric motor drive provides or can provide.
  • Flierzu includes the aforementioned open position of the locking mechanism, in which the electric motor drive usually directly or indirectly ensures that when the locking mechanism is closed, the pawl is lifted from its engagement with the rotary latch. As mentioned, this can take place directly or indirectly, for example with the interposition of a release lever or without such a release lever and directly.
  • DE 10 2016 112 260 A1 relates to an electrically actuated motor vehicle lock in which a release lever can be actuated at least indirectly with the aid of the electric drive.
  • a so-called secondary lock which also has a locking mechanism with a rotary latch and at least one pawl. The locking mechanism of this secondary lock can now be unlocked with the help of the electric drive already mentioned. In this way, in addition to your own Motor vehicle lock using the matching electric drive, the auxiliary lock can be opened electrically.
  • the applicant's WO 2019/233518 A1 also relates to a particularly electrically operated side door lock for a motor vehicle.
  • This has an electric drive unit with a motor and a driven pulley driven by the motor.
  • the driven pulley actuates a release lever.
  • at least one additional function, in particular an anti-theft device, can be implemented with the aid of the driven pulley.
  • the detailed design is such that the locking mechanism can be opened taking into account a first pivoting movement of the driven pulley.
  • the anti-theft device and/or a child safety device can be engaged with the aid of a second pivoting movement of the driven pulley which is opposite to the first pivoting movement.
  • an actuating lever and a first and a second clutch lever are also implemented, which ultimately ensure that the anti-theft device or child safety device is engaged and also enable disengagement or unlocking. This has proven itself in principle, but still offers room for structural simplifications.
  • the generic prior art according to EP 1 113 133 A1 is about a motor vehicle door lock with a child safety device.
  • an electric motor drive is realized with a drive element, which can be driven in two opposite directions of movement.
  • the drive element can optionally be returned to a neutral position.
  • the child safety function is activated in a direction of movement of the drive element.
  • another function of the motor vehicle door lock can be implemented, for example the opening function or a central locking function.
  • the pawl is lifted as part of the opening function.
  • the child safety device can be activated both manually and with the help of the electric motor drive.
  • This is a so-called pen mechanism or the like with a heart-shaped setting with an upper and lower resting point. In this case, too, a relatively complex structure is observed.
  • the invention is based on the technical problem of further developing such a motor vehicle lock and in particular a motor vehicle door lock in such a way that the design and financial outlay is reduced once again compared to previous embodiments.
  • the invention proposes in a generic motor vehicle lock and in particular motor vehicle door lock that the drive element as part of the electric motor drive in one direction of movement first controls the safety position and with further movement (in the same direction of movement) the opening position of the locking mechanism .
  • the design is advantageously such that the drive element controls an unlocking position in the opposite direction of movement.
  • the invention proceeds in such a way that the direction of movement of the drive element corresponds to the fact that both the safety position and the opening position of the locking mechanism can be assumed.
  • the opposite direction or opposite direction of movement of the drive element on the other hand, only the arming position is actuated.
  • This design is associated with the particular advantage that in this way, with the help of a (single) electric motor drive, ultimately all essential functional positions of the motor vehicle lock according to the invention, including electrical opening, can be displayed and implemented.
  • the invention is also based on the knowledge that the activation of the securing position and the opening position in one direction of movement prevents malfunctions and can be implemented and implemented in a particularly simple and reliable manner.
  • the drive element is equipped with a spring, which ensures that the drive element after its actuation can assume a neutral position. This means that after, for example, approaching the safety position in the direction of movement, the drive element is initially returned to the neutral position with the aid of the spring. This rules out unintentional opening of the motor vehicle lock.
  • the spring associated with the drive element is usually a so-called center-zero spring, which returns the drive element to the neutral position both in the direction of movement and in the opposite direction of movement after it has been actuated. Because the loading of the drive element both in the direction of movement and in the opposite direction of movement results in the center-zero spring being deflected and tensioned and only relaxed again when the drive element has reached the neutral position after actuation of the drive element.
  • the functional reliability is additionally increased by the fact that a blocking element is advantageously provided for the electric drive.
  • the blocking element is acted upon as a rule with the aid of a spring for spacing it from the drive element. That is, normally the blocking element is held at a distance from the drive element with the aid of the spring.
  • the design is generally such that the drive element moves against the blocking element. This means that as soon as the securing position and/or unlocking position is assumed by the drive element, the electric motor drive or the spring assigned to the blocking element also ensures that the blocking element is pivoted in the direction of the drive element from its normally assumed spaced position compared to the drive element .
  • the blocking element can initially assume this blocking position.
  • the blocking element can fulfill its intended and original function, namely ensuring that the drive element is blocked in order to assume the securing position and/or unlocking position.
  • the drive element advantageously has at least one contour. This contour generally ensures that the blocking element is held in contact with the drive element for assuming the safety position and/or unlocking position.
  • the contour on the drive element can interact with a counter-contour on the blocking element.
  • the contour on the drive element ensures that the blocking element moves into this pivoted position or position. Blockade position as long as not (more) can leave, as the contour interacts with the blocking element. This ensures that the drive element moves, for example, in the direction of movement against the blocking element that is in the blocking position and can thus assume the securing position. At the same time, the drive element ensures that a safety lever is controlled into the safety position.
  • the drive element Since the drive element is equipped with the previously mentioned spring and in particular the center-zero spring, the drive element returns to the neutral position after it has been actuated. The consequence of this is that the contour on the drive element previously fixing the blocking element releases the blocking element, which as a result, acted upon by its spring, transitions into its spacing position. This spacing of the blocking element corresponds to the blocking element no longer overlapping with the drive element and thus also no longer being able to interact with the drive element and releasing it. The safety lever remains unchanged in its safety position.
  • the drive element is equipped on one side with a safety-actuating pin for the previously mentioned safety lever.
  • the safety lever can assume the safety position and/or unlocking position.
  • the safety actuating pin now moves against the blocking element in the safety position.
  • the invention thereby ensures that the securing position is associated with a defined position of the drive element and consequently of the electric motor drive.
  • the unlocking position In this case, too, the safety-actuating pin in question moves against the blocking element, which in this way ensures that the unlocking position is also assumed in a defined manner by the electric motor drive.
  • the safety operating pin for the safety lever is on its side of the drive element.
  • the drive element is also equipped with an additional opening actuation pin on an opposite side.
  • This opening actuation pin works on a release lever to take the open position. Consequently, after the drive element of the electromotive drive has assumed the safety position and this also applies to the safety lever, the drive element moves back to the neutral position by being acted upon by the center-zero spring. At the same time, the contour on the drive element releases the blocking element, which is transferred from its previously assumed blockade position into the spaced position with the help of the associated spring.
  • the safety lever located in the safety position and the blocking element located in the spaced position allow an unhindered movement of the safety actuating pin, so that the drive element can move beyond the safety position into the open position .
  • the opening actuation pin located on the opposite side of the drive element ensures that the release lever is acted upon.
  • the actuation of the release lever causes the pawl to be lifted from its engagement in the rotary latch, so that the locking mechanism is opened as a whole and the open position is assumed.
  • the design is such that the blocking element, the release lever and the safety lever are mounted coaxially overall.
  • a common axis is used here, which is arranged at a distance from an axis of the drive element.
  • the design is such that both axes are predominantly parallel to each other and therefore typically disk-like drive element on the one hand and said levers or elements on the other hand are arranged and oriented predominantly in one or in parallel planes to one another.
  • a motor vehicle lock and in particular a motor vehicle door lock is made available which, with the aid of a (single) electric motor drive, enables the locking mechanism to assume various functional positions and an open position in a structurally simple and functionally reliable manner.
  • the functional positions of the locking mechanism are at least one securing position or one unlocking position.
  • the securing position can be the “locked or centrally locked” and “child-proof” positions.
  • the unlocking position corresponds to the position "unlocked or centrally unlocked” or "child unlocked”.
  • the securing position can also belong to the functional position "thief stolen secured” and accordingly the arming position to the functional position "theft-armed”. This is where the main advantages can be seen.
  • Fig. 1 The motor vehicle lock according to the invention in a perspective overview
  • FIGS. 2A to 2C the assumption of the safety position and the opening position in the direction of movement of the drive element
  • FIGS. 3A to 3C show the drive element taking up the arming position, specifically in the opposite direction of movement.
  • a motor vehicle latch is shown, which is not limited to a motor vehicle side door latch.
  • the main components of the motor vehicle side door lock are shown in FIG. This includes a locking mechanism 1, 2 consisting essentially of rotary latches 1 and 1 Pawl 2, which can be opened using a release lever 3 to be described in more detail below.
  • the release lever 3 is acted upon with the aid of an electric motor drive 4, 5, 6.
  • the electromotive drive 4, 5, 6 consists of an electric motor 4, a worm 5 on an output shaft and a drive element 6, which is rotated with the aid of the worm 5.
  • the drive element 6 is a worm wheel which can perform clockwise and counterclockwise movements about its axis 7 .
  • clockwise movements of the drive element 6 in the view according to FIGS. 2A to 3C belong to a direction of movement. Accordingly, in this view, counterclockwise rotations of the drive element 6 about the axis 7 correspond to the opposite direction of movement. Transferred to the perspective view according to FIG. 1, this means that the direction of movement there belongs to the anti-clockwise rotations indicated in FIG. 1 because of the rear view of the drive element 6.
  • the release lever 3 is in turn mounted so that it can rotate relative to an axis 8 .
  • the drive element 6 can also be controlled in at least one safety position. Taking this backup position and an associated unlocking position is shown in Figures 2A to 3C. According to the exemplary embodiment, the sequence of figures according to FIGS. 2A to 2C belongs to assuming the securing position, whereas assuming the arming position is shown in FIGS. 3A to 3C.
  • the design is such that the drive element 6 initially assumes the securing position in the direction of movement, which corresponds to a clockwise rotation about the axis 7 in the view according to FIGS. 2A to 2C. With a further movement of the drive element 6 in the direction of movement, the drive element 6 controls the previously described open position of the locking mechanism 1 , 2 . In the view according to FIGS. 2A to 2C, this corresponds in turn to the clockwise rotation of the drive element 6 about its axis 7, which corresponds to the counter-clockwise rotation of the drive element 6 about its axis 7, already described in detail above, in the rear view according to FIG. 1 and there occupied opening position corresponds. In contrast, the drive element 6 controls in the opposite direction of movement, that is, in the view according to FIGS. 3A to 3C counterclockwise, to an unlocking position or unlocking position, as will be explained in more detail below.
  • the basic structure also includes a blocking element 9, 9' and a safety lever 10.
  • a comparison of the figures shows that the blocking element 9, 9', the release lever 3 and the safety lever 10 are all mounted coaxially.
  • the blocking element 9, 9', the release lever 3 and also the safety lever 10 are each rotatably mounted on the common axis 8.
  • the blocking element 9, 9' is equipped with two fork arms which are referred to below.
  • the drive element 6 is equipped on one side with a safety actuating pin 6b for the safety lever 10.
  • the safety actuating pin 6b on the drive element 6 can control the safety lever 10 as a whole into the safety position and also an unlocking position, as will be explained in more detail below.
  • the drive element 6 has the previously described opening/actuating pin 6a for the release lever 3, as can be seen in particular in the perspective view of FIG. In this way, the drive element 6 can be controlled into the open position of the locking mechanism 1 , 2 .
  • FIG. 2A the locking mechanism 1, 2 is in the closed position shown in FIG. This may correspond to a flap position.
  • the motor vehicle lock is now controlled with the aid of the electric motor drive 4, 5, 6 and consequently also the drive element 6 as part of the electric motor drive 4, 5, 6 into the secure position during the transition to FIGS. 2B and 2C .
  • the electric motor drive 4, 5, 6 drives the drive element 6 in the direction of movement which, in the context of the illustration according to FIGS. 2A to 2C, belongs to a clockwise rotation of the drive element 6 about its axis 7.
  • the safety lever 10 In the position according to FIG. 2A, the safety lever 10 is in its unlocked position.
  • the blocking element 9, 9' assumes its blocking position.
  • the blocking element 9, 9' has the two fork arms 9, 9', only one fork arm being shown in FIGS. 2A to 2C and the other fork arm 9' being shown in FIGS. 3A to 3C.
  • Flierzu the drive element 6 is equipped with a contour 6c, which is located on the same side of the drive element 6 as the safety-actuating pin 6b.
  • the contour 6c on the drive element 6 interacts with a counter-contour (not shown) on the blocking element 9, 9', so that the contour 6c and the counter-contour together ensure that the blocking element 9, 9' is held in the blocking position shown in FIG. 2A.
  • contour 6c has a limited length, so that when the drive element 6 the blocking element 9, 9' is released from the contour 6c, as will be explained in more detail below.
  • the contour 6c on the drive element 6 and, starting from the functional position in FIG. 2A, ensures that the blocking element 9, 9' assumes its blocking position shown there.
  • the blocking element 9 at least partially overlaps with the drive element 6.
  • the safety lever 10 is in its unlocked position. If, starting from this functional position according to FIG. 2A, the drive element 6 is acted upon in the direction of movement, i.e. clockwise around the axis 7 in the view according to FIGS a leg 10a of a U-shaped recess 10a, 10b of the safety lever 10 moves. In fact, the U-shaped recess in the safety lever 10 is delimited by two legs 10a, 10b on both sides.
  • the safety lever 10 can be a locking lever, a child safety lever or a combined locking lever/safety lever as well as a transmission lever for the child safety function.
  • An anti-theft lever is also possible, although not shown.
  • the transition of the safety lever 10 from the unlocking position according to FIG. 2A to the locking position according to the illustration in FIG. becomes "childproof”.
  • a spring 11 assigned to the drive element 6 can ensure overall that the drive element 6 (again) assumes a neutral position after it has been actuated.
  • This neutral position of the drive element 6 corresponds to the starting position in FIG. 2A.
  • the spring 11 is a center-zero spring, i.e. one that is deflected starting from the neutral position of the drive element 6 in FIG Omission of the impingement for the return of the drive element 6 provides in the neutral position.
  • the drive element 6 is acted upon again in the direction of movement, ie clockwise around the Axis 7 as shown in FIGS. 2A to 2C, this clockwise rotation, ie a further movement of the drive element in the direction of movement, is permitted.
  • the securing actuating pin 6b can pass both the arm or leg 10a of the securing lever 10 and the blocking element 9, 9' located in the spaced position. Transferred to the rear view according to FIG. 1, this means that in the movement direction in question and with a further movement of the drive element 6, the open position of the locking mechanism 1, 2 is controlled. Because now the opening-actuating pin 6a can work on the release lever 3 to assume the open position and ensure that the release lever 3 opens the locking mechanism 1, 2 as described.
  • FIG. 3A corresponds to the position according to FIG. 2C.
  • the drive element 6 is acted upon in the opposite direction of movement to assume the arming position, this includes a counterclockwise movement of the drive element 6 about the axis 7 in the view according to Figures 3A to 3C.
  • the movement of the drive element 6 in This opposite direction of movement causes the safety actuating pin 6b to move counterclockwise against the other leg 10b of the U-shaped receptacle 10a, 10b of the safety lever 10.
  • Flierzu corresponds to a clockwise pivoting of the safety lever 10, as can be understood from FIGS. 3A and 3B.
  • the safety lever 10 As soon as the safety lever 10 has assumed its unlocking position as shown in FIG. 3B, the safety actuating pin 6b moves again against the blocking element 9, 9' or now the fork arm 9'.
  • the blocking element 9 , 9 ′ is fork-shaped overall, with the two fork arms 9 , 9 ′ being able to be swiveled in alternately so that they overlap with the drive element 6 .
  • the spacing of the blocking element 9 or of one blocking arm 9 in the functional position according to FIG. 2C corresponds to the blocking position of the other blocking arm 9' in the functional position according to FIGS. 3A and 3A vice versa.
  • the blocking arm or the blocking element 9, 9' is again held in the blocking position according to FIG.
  • a contour 6c interacts with a counter-contour on the blocking element 9, 9' or its blocking arm 9'.
  • the safety actuating pin 6b moves against the blocking arm or the blocking element 9, 9' as soon as the safety actuating pin 6b has ensured that the safety lever 10, starting from the functional position according to FIG. 3A, moves from the safety position assumed there into the unlocking position as shown in Figure 3B.
  • the drive element 6 can now be reset to the neutral position of FIG. 2A with the aid of the associated center-zero spring 11.
  • Flierzu includes a clockwise rotation about the axis 7.
  • the contour 6c releases the blocking element 9, 9'.
  • the safety lever 10 remains in its unlocked position.
  • the release of the blocking element 9, 9' or its one blocking arm or fork arm 9' means that the blocking element 9, 9' as a whole can again assume the functional position according to FIG. 2A.
  • the drive element 6 in the direction of movement first controls the safety position and, with further movement, the open position of the locking mechanism 1 , 2 .
  • the securing position corresponds to the “locked” or “child-proof” positions.
  • the drive element 6 assumes the unlocking position, starting from the neutral position, which, according to the exemplary embodiment, corresponds to taking the “unlocked” position and then “child unlocked”.

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

Abstract

L'invention concerne un verrou de véhicule automobile, en particulier un verrou de portière de véhicule automobile, qui est équipé d'un mécanisme de verrouillage (1, 2) constitué essentiellement d'un pêne pivotant (1) et d'un cliquet (2). En outre, l'invention concerne un entraînement électromoteur (4, 5, 6) pour le mécanisme de verrouillage (1, 2). L'entraînement électromoteur (4, 5, 6) comprend un élément d'entraînement (6) qui peut être sollicité dans au moins une direction de déplacement et une direction de déplacement opposée. De plus, au moins une position de fixation et une position d'ouverture du mécanisme de verrouillage (1, 2) peuvent être commandées au moyen de l'élément d'entraînement (6). Selon l'invention, l'élément d'entraînement (6) commande dans une première direction de déplacement la position de fixation et, lors d'un autre déplacement, la position d'ouverture du mécanisme de verrouillage (1, 2).
PCT/IB2022/051870 2021-03-05 2022-03-03 Verrou de véhicule automobile WO2022185239A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22717648.4A EP4301952A1 (fr) 2021-03-05 2022-03-03 Verrou de véhicule automobile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110244839.X 2021-03-05
CN202110244839.XA CN115012747A (zh) 2021-03-05 2021-03-05 机动车锁

Publications (1)

Publication Number Publication Date
WO2022185239A1 true WO2022185239A1 (fr) 2022-09-09

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EP (1) EP4301952A1 (fr)
CN (1) CN115012747A (fr)
WO (1) WO2022185239A1 (fr)

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DE102016112260A1 (de) 2016-07-05 2018-01-11 Kiekert Ag Elektrisch betätigbares kraftfahrzeugschloss
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Cited By (1)

* Cited by examiner, † Cited by third party
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WO2024041698A1 (fr) * 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Serrure de véhicule automobile

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