EP2440729A1 - Serrure de véhicule automobile avec système d'assistance à la fermeture - Google Patents

Serrure de véhicule automobile avec système d'assistance à la fermeture

Info

Publication number
EP2440729A1
EP2440729A1 EP10740132A EP10740132A EP2440729A1 EP 2440729 A1 EP2440729 A1 EP 2440729A1 EP 10740132 A EP10740132 A EP 10740132A EP 10740132 A EP10740132 A EP 10740132A EP 2440729 A1 EP2440729 A1 EP 2440729A1
Authority
EP
European Patent Office
Prior art keywords
catch
bracket
lock
lock according
pawl
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
Application number
EP10740132A
Other languages
German (de)
English (en)
Other versions
EP2440729B1 (fr
Inventor
Thorsten Bendel
Karsten Barth
Serkan Gülkan
Ulrich Weichsel
Claus Töpfer
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 EP2440729A1 publication Critical patent/EP2440729A1/fr
Application granted granted Critical
Publication of EP2440729B1 publication Critical patent/EP2440729B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/26—Cooperation between bolts and detents
    • 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
    • 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
    • E05B81/66—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
    • E05B81/68—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status by sensing the position of the detent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/23—Vehicle door latches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1047—Closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/108—Lever
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor

Definitions

  • the invention relates to a lock for a motor vehicle with a locking mechanism comprising a rotary latch and a Sperrklin ke, with which the catch can be locked in a closed position.
  • the invention particularly relates to a lock with a pawl for the main catch (hereinafter called "main pawl"), a pawl for the pre-rest (hereinafter "Vorrast-Sperrklin ke”) and a blocking lever for said main catch - pawl.
  • main pawl a pawl for the main catch
  • Vorrast-Sperrklin ke a pawl for the pre-rest
  • blocking lever for said main catch - pawl Such a lock is known from the document DE 10 2007 003 948 A l.
  • a catch of a motor vehicle lock has a fork-shaped inlet slot into which a locking bolt of a vehicle door or a vehicle flap comes when the vehicle door or
  • Vehicle flap is closed.
  • the locking pin then rotates the catch from an open position to a closed position. If the catch has reached a closed position, then the locking pin can not leave the inlet slot of the catch. In the closed position a Sperrklin ke locks the catch, so that it can not be rotated back into the open position.
  • ka nn a blocking lever may be provided which blocks such movement when the
  • Rotary latch is locked.
  • a blocking lever is in the lock known from the DE 10 2007 003 948 A l required for the Haupttrast- Sperrklin ke, as the catch and the main catch pawl are constructed such that the pawl in the main catch urges the main catch pawl out of the locking position.
  • rotatably mounted blocking lever is biased by a spring. Due to this bias, the blocking lever exerts pressure on the main catch pawl towards the catch when the catch is not in the main catch position. This pressure is responsible for moving the main latch pawl into its latching position when the latch reaches the main latch. The bias then continues to ensure that the blockage lever is finally moved to the blocking position, so that the vehicle door or vehicle door is so completely closed.
  • the blockage lever is rotated counter to its bias by means of the pre - ratchet pawl until the blockage lever releases the main catch pawl.
  • the main catch pawl is then urged by the catch from the locking position or detected by a catch of the pre-locking pawl and so moved out of the locking position.
  • the catch rotates due to a corresponding bias of the main load in its open position.
  • the locking bolt can now be moved out of the inlet slot again and the corresponding vehicle door or vehicle door can be opened.
  • the catch of the claimed lock comprises an upwardly projecting stop which protrudes, for example in the form of a bolt from the rotary latch. Further, a bracket is provided, which can be motorized against the stop so moved that the catch is rotated in this way from the pre-catch in the main branch. It is thus possible to get motorized from the pre-rest in the main post, which facilitates the closing of a vehicle door. It is used a stop, which also serves as a stop for a pawl. The number of required components is kept so low.
  • the stop also serves as a stop for the pre-locking pawl to lock the catch in this position. It must therefore be provided in this embodiment, no additional stop to lock the catch with the pre-locking pawl can.
  • the bracket is disposed above the pre-locking pawl and seen from the housing wall of the lock, on which the rotary latch is rotatably mounted. In this way it is structurally possible to use a pin with a thin diameter both as a stop for the bracket and as a stop for the pre-locking pawl.
  • the bracket is directed against the stop.
  • the bracket is initially guided essentially in a straight line until the bracket has reached the stop. Subsequently, the guide extends arcuately, so that the bracket is then able to follow the rotational movement of the rotary latch.
  • the lock has micro-switches with which the position of the pre-locking and / or main-locking pawl can be detected. In this way, it can be controlled when a motor moves the bracket against the stop so as to move the catch from the pre-catch in the main catch.
  • FIG. 1 shows the closed position of a lock with a pre-locking pawl shown in a transparent manner
  • FIG. 2 closed position of the lock from FIG. 1;
  • Figure 3 lock of Figure 1 with a bracket for moving a rotary latch
  • Figure 4 Lock of Figure 1 with microswitches.
  • FIG. 1 shows a plan view of a housing wall 1 of a vehicle lock.
  • the housing wall 1 is provided with an inlet slot 2, in which a locking pin 3 of a vehicle door or a vehicle latch enters when the associated Vietnameset ⁇ r or vehicle door is closed.
  • the rotary latch 4 is rotatably mounted on the housing wall 1 and can be rotated about its mounting axis 5.
  • the main load is shown, in which the locking bolt 3 located in the housing wall inlet slot 2 is enclosed by the inlet slot of the rotary latch so that the locking pin 3 can not be moved out of the housing wall inlet slot 2. The corresponding door or the flap of the vehicle is thus closed.
  • the main catch - pawl 6 is also mounted on the housing wall 1 and can be rotated about its mounting axis 7.
  • the rotary latch is preferably biased by a spring, not shown, in the open position. Due to this bias the rotary latch presses against a stop of the main catch - pawl with an oblique course. This oblique course urges the main catch pawl out of the locking position.
  • the catch is not biased by a spring, at least the locking pin 3 causes a rotational movement of the rotary latch 4 in the direction of open arrow 22, when an associated vehicle door or vehicle door is opened.
  • the associated torque then urges the main catch pawl 6 out of the locking position.
  • a blocking lever 8 as shown.
  • the blocking lever 8 is also mounted on the housing wall 1 and can be rotated about its mounting axis 9.
  • an arm 10b of a spring 10 At a lateral contour region of the blocking lever 8 is an arm 10b of a spring 10 at.
  • the spring 10 is biased so that the arm 10b of the spring 10 the blocking lever in the direction of the shown Block ⁇ stellellung (in the direction of arrow 1 1) urges.
  • the rotational movement of the blocking lever caused thereby is limited, as shown, by a stop 1 2, which is fastened to the housing wall 1 in the form of a protruding bolt.
  • the spring 10 is mainly arranged laterally next to the blocking lever 8 and next to a Vorrastsperrklinke to allow a low height. Only one arm 10a of the spring 10 extends beyond the blocking lever 8.
  • the pre-locking pawl 13 comprises a bolt 14, which extends from the pre-locking pawl in the direction of the housing wall 1 down.
  • the other arm 10a of the spring 10 abuts.
  • the other arm of the spring 10 presses in the direction of the bolt 14 along the arrow 15.
  • the bolt 14 also bears against a lateral contour region of the blocking lever 8.
  • the bolt 14 causes the blocking lever 8 is rotated out of the blocking position.
  • the spring arm 10a may follow the movement of the stopper 14, so that the rotation of the pre-locking pawl 13 is not hindered by a back pressure that would otherwise emanate from the spring arm 10b. This facilitates the rotation of the blocking lever 8 by the pawl 13 for the pre-restraint from the blocking position out. If the blocking lever 8 is moved out of the blocking position, then the
  • Main locking pawl 6 pushed out of its locked position shown by the catch out. Additionally or alternatively detects a lateral contour portion of the pre-locking pawl 13 as a result of said rotational movement a protruding serving as a stop Bolt 1 7, which is mounted on the main catch pawl 6. This has the consequence that the main locking pawl 6 is rotated out of the illustrated locking position and releases the catch. This then pivots in the direction of the arrow 22 in the direction of the open position and finally releases the locking pin 3. The associated door or flap can then be opened.
  • the pre-locking pawl 13 may also lock the catch 4 when a protruding pin 18 of the catch 2 impinges on the lateral contour area 19 of the pre-locking pawl 13 and thus prevents rotation of the pawl in the open position according to arrow 22.
  • the pre-locking pawl 1 3 is preferably biased by a spring, not shown, in the direction of its locking position.
  • a protruding pin 20 serving as a stopper mounted on the housing wall 1 prevents further rotation of the pre-locking pawl beyond its locking position.
  • the main catch pawl 6 is preferably not directly spring loaded. The main catch pawl 6 is then instead alone by other components and in particular by moving the
  • Rotary latch 4 the pre-locking pawl 13 and / or the blocking lever 8 suitably rotated, so for example by a rotational movement of the blocking lever 8 in the locking position (main catch) into it.
  • the corresponding rotation of the blocking lever is effected by the controlled bias of the spring 10.
  • hook-shaped endings 6b and 8a have proven to be particularly suitable.
  • the head of the hook 6b of the main catch Kiinke acts as a stop for the catch.
  • the hook tip of the hook 6b is blocked by the head of the hook 8a in the main branch. If the blocking lever 8 is rotated out of the blocking position, the two hooks 6b and 8a engage in one another.
  • the tip 6b finally presses the hook 8 ⁇ so far outward that the lever arm 8b lifts off from the bolt 14 and thus increases the bias of the spring 10 (see also Figure 3).
  • the rotation of the pre-locking pawl 13 is further relieved, since it no longer acts aut the blocking lever 8 by its moment of inertia.
  • the movement of the tip 6b or the main-locking pawl 6, which is responsible for the removal of the arm 8b of the bolt 14 is then caused by the rotating in the open position rotary latch by the lateral contour portion 4a against the then adjacent lateral contour region of the hook 6b presses.
  • the end 4b of the contoured region 4a is angled outward (as viewed from the rotary catch), so as to rotate the main-locking pawl, and thus the hook 6b, particularly far outward along the arrow 16.
  • the lever arm 8b is removed particularly far from the stop 14 and a desired high bias is provided by the spring 10.
  • the hook tip of the hook 6b is longer than the hook tip of the hook 8a, so as to be able to provide a particularly large bias of the spring 10 can. Since the hook 8a does not have to achieve such an effect, it is comparatively short. Overall, the desired movement can be ensured so particularly reliable.
  • the pre-locking pawl 1 3 In order to rotate the pre - locking pawl out of its locking position so as to unlock the lock, it is grasped and turned on a grating area 21.
  • the detection and rotation of the pre-locking pawl 1 3 can be done by means of a motor or by manual operation. Since the pre-locking pawl can be rotated by a motor also back, a spring is not mandatory, urging the pre-locking pawl in the direction of its locking position. For speed and safety reasons, however, the provision of such a spring is advantageous.
  • FIG. 2 illustrates that on the pre-locking pawl, a projecting pin 30 which extends from the housing wall 1 extends upward.
  • a projecting pin 30 which extends from the housing wall 1 extends upward.
  • This bolt 30 with the sleeve 31 performs a bracket, not shown in the figure 2. The plastic reduces friction and associated noise as the bracket is moved.
  • a bracket 32 is additionally shown, which is located above the pre-locking pawl 13.
  • the bracket is provided with a slot 33 into which the protruding pin 30 of the pre-locking pawl extends. Through the slot 33 and the bolt 30 of the bracket 32 is guided.
  • the bracket can from an initial position to the end position shown in Figure 3 and be moved back. The end position is reached when the Wheelf ⁇ lle 4 has been rotated by moving the bracket 32 from the Anf ⁇ ngswolf in the end position of the Vorr ⁇ st in the H ⁇ uptr ⁇ st.
  • the bracket In order to be able to move the bracket in a motorized manner, it comprises an upwardly projecting pin 34.
  • the pin 34 extends into a hole in an overlying lever.
  • the lever can turn around an axis. If the lever is rotated motorized about its axis, so the bar is moved between the initial position and the end position.
  • the pre-locking pawl is rotated in the direction of the arrow 16 by an actuation of the correspondingly connected door handle, the bracket pivots upwards in the direction of the arrow 35.
  • the stop 18 serving as a bolt.
  • a forward movement of the bracket in the direction of the end position then no longer has the consequence that the rotary latch 4 is rotated in the direction of the main load. Instead, the catch is released and can turn back to the open position.
  • the slot 33 extends as shown partially arcuate to finally with its corresponding strap end 36 (which is adjacent to the stop 18) to follow the rotational movement of the catch and the associated rotational movement of the stopper 18 can.
  • the aforementioned strap end 36 then advantageous initially a small distance of for example 1 to 3 mm to the bolt 18 so as not to interfere with the locking of the catch. If the bracket is subsequently moved by motorization from this initial position, it reaches the stop 18 and then presses it in the direction of the main catch, if the pre-locking pawl is not moved. The pre-ratchet pawl will become usually not then move, because this is pressed due to their bias against the stop 20 and remains in this position.
  • the lever 37 is shown in addition, which is rotatably mounted about an axis 38.
  • the bolt 34 extends into a corresponding hole of the lever 37, advantageously extends out of this hole upwards and is then located between two stops, not shown, so as to limit the movement of the bracket and the movement of the lever suitable. The stops prevent parts of the locking mechanism from being subjected to excessive forces that could damage the locking mechanism.
  • the cable 39 is seen from the axis of rotation 38 at the end of the longer lever arm of the lever 37 fixed in comparison to the other shorter lever arm with the hole into which the bolt 34 at least extends. In this way, the motor power pulling on the cable 39 is amplified in accordance with the law of levers. It is therefore sufficient a relatively small engine power to rotate the catch of the Vorrast in the main load motorized.
  • the cable 39 is mounted in a hook provided for this purpose of the lever 37.
  • the lever 37 is advantageously biased towards the initial position, so that the lever 37 and thus also the bracket 35 can pivot back independently to their initial positions, even if the motor drive should fail. A fault of the engine therefore does not have the consequence that the lock is then also inoperative beyond.
  • microswitches 40 advantageously adjoin corresponding lateral contour regions of Vorr ⁇ st pawl and / or H ⁇ uptr ⁇ st pawl in response to the position of the affected pawls on.
  • the position of the respective pawl can be felt by micro switch. For example, if it is determined by means of micro-switch so that the pre-locking pawl has reached the stop 20, but the Hauptrast- Sperrkiinke is not yet in its locking position, then the motor is set in motion, pulling the cable 39. The motor drive is stopped as soon as another micro-switch detects that the main-locking pawl is locked in its locking position.
  • Shoe-shaped lever arms as shown in the figures are suitable to determine with the help of micro switches, the position of the associated pawls with minimized material expenditure at any time and to control depending on movements of components of the castle.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne une serrure pour véhicule automobile comprenant un mécanisme à encliquetage composé d'un pêne pivotant et d'un cliquet. L'invention a pour objet de simplifier la fermeture avec une serrure du type susmentionné. A cet effet, le pêne pivotant de la serrure selon l'invention comprend une butée s'étendant vers le haut, par exemple sous la forme d'un axe faisant saillie du pêne pivotant. La serrure comprend également un étrier pouvant être amené contre la butée mécaniquement, de sorte que le pêne pivotant puisse passer de la position de pré-encliquetage à la position d'encliquetage principale. Ainsi, le pêne pivotant peut être amené de la position de pré-encliquetage à la position d'encliquetage principale mécaniquement, ce qui facilite la fermeture de la portière.
EP20100740132 2009-06-12 2010-06-11 Serrure de véhicule automobile avec système d'assistance à la fermeture Active EP2440729B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910026921 DE102009026921A1 (de) 2009-06-12 2009-06-12 Kraftfahrzeugschloss mit Zuziehhilfe
PCT/DE2010/000657 WO2010142280A1 (fr) 2009-06-12 2010-06-11 Serrure de véhicule automobile avec système d'assistance à la fermeture

Publications (2)

Publication Number Publication Date
EP2440729A1 true EP2440729A1 (fr) 2012-04-18
EP2440729B1 EP2440729B1 (fr) 2013-09-25

Family

ID=42990335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100740132 Active EP2440729B1 (fr) 2009-06-12 2010-06-11 Serrure de véhicule automobile avec système d'assistance à la fermeture

Country Status (4)

Country Link
US (1) US8955889B2 (fr)
EP (1) EP2440729B1 (fr)
DE (1) DE102009026921A1 (fr)
WO (1) WO2010142280A1 (fr)

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US20120068479A1 (en) 2012-03-22
DE102009026921A1 (de) 2010-12-16
WO2010142280A1 (fr) 2010-12-16
US8955889B2 (en) 2015-02-17
EP2440729B1 (fr) 2013-09-25

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