EP1617023B1 - Serrure pour ouvrants ou portes d'un véhicule - Google Patents

Serrure pour ouvrants ou portes d'un véhicule Download PDF

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Publication number
EP1617023B1
EP1617023B1 EP20050009428 EP05009428A EP1617023B1 EP 1617023 B1 EP1617023 B1 EP 1617023B1 EP 20050009428 EP20050009428 EP 20050009428 EP 05009428 A EP05009428 A EP 05009428A EP 1617023 B1 EP1617023 B1 EP 1617023B1
Authority
EP
European Patent Office
Prior art keywords
latch
spring
dead
supra
lock
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 - Fee Related
Application number
EP20050009428
Other languages
German (de)
English (en)
Other versions
EP1617023A3 (fr
EP1617023A2 (fr
Inventor
Erik Kiehl
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.)
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Huf Huelsbeck and Fuerst GmbH and Co KG
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 Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Huf Huelsbeck and Fuerst GmbH and Co KG
Publication of EP1617023A2 publication Critical patent/EP1617023A2/fr
Publication of EP1617023A3 publication Critical patent/EP1617023A3/fr
Application granted granted Critical
Publication of EP1617023B1 publication Critical patent/EP1617023B1/fr
Expired - Fee Related 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
    • 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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0493—Overcenter springs
    • 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
    • E05B81/15—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt with means preventing the detent to return to its latching position before the bolt has moved to the unlatched position
    • 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
    • Y10T292/1082—Motor

Definitions

  • the invention is directed to a lock referred to in the preamble of claim 1.
  • the classic components of a lock include a spring-loaded rotary latch, which cooperates when closing the door with a stationary closing part and a spring-loaded, pivot-mounted pawl, which when closing the door in at least one catch of the catch occurs.
  • a so-called "snow load device” is added to the present lock. The snow load protection comes into play when the catch in electrical and / or manual operation of the pawl remains in its blocking effective closed position and does not release the closing part. Then, despite being pressed, the door can not be opened.
  • This "snow load case” occurs in the case of a lock arranged in a tailgate of a vehicle when a snow load is lying on the closed tailgate. Namely, this snow load pushes the tailgate so firmly into the closing part, that the restoring force of the seal and / or the spring load is insufficient to convert the catch again into its open position. From this fact the term “snow load case” is derived. Without a “snow load device” the pawl would be moved back from its pawl spring into its locked position, where it falls into a catch of the catch and therefore holds the catch again in its closed position. The task of the snow load device is to hold the pawl in its release end position obtained by actuation until the catch has actually reached its open position. The result is that after removing the snow load from the tailgate, the already released catch is moved back from its spring load in its open position, without again an actuation would have to be done.
  • a lock is known in which the force of the pawl spring always acts in the same direction on the pawl, this force is made ineffective by additional securing means.
  • These securing means consist of a U-shaped Verhakungslasche on a driver, which is rotatably connected to the pawl, and control surfaces and a projection on the catch. In the case of snow fall the hooking tab engages behind the projection, whereby the driver is supported on the rotary latch and creates a gap between the rotary latch and the pawl. The effective in the snow load case latch spring force is transmitted to the catch on the catch.
  • These securing means take up a relatively large amount of space in the lock.
  • the invention has for its object to develop a reliable lock mentioned in the preamble of claim 1 species that is inexpensive and space-saving design. This is inventively achieved by the measures mentioned in claim 1, which has the following special significance.
  • the invention proposes to use a so-called "Übertot Vietnamesefeder" as a pawl spring.
  • This Automattot Vietnamesefeder changes at the transition of the pawl between the locked position and a release end position the sense of direction of their spring force. While the pawl is loaded in the locked position of the Mattertot Vietnamesefeder towards the rotary latch, it is directed away in the release end position of the rotary latch.
  • the snow load device practically consists only of the Mattertot Vietnamesefeder, which cooperates with the pawl and with the catch. This is sufficient for the training of a snow load device.
  • So no additional components required for the snow load device You can deal with the elements that are already available in a lock, namely handle, pawl spring and rotary latch.
  • the previously required special components of the known snow load device are superfluous. It saves not only the manufacture and assembly of these special components, but above all valuable space in the castle.
  • the invention is very simple, which is why it does not come to interference.
  • the device according to the invention works very reliably.
  • the snow load device 10 according to the invention consists only in the design of the pawl spring 40 in a special way, namely as a so-called "over-center spring".
  • this vontot Vietnamesefeder formed as a leg spring.
  • the snow load device according to the invention is characterized by the peculiarity to get along without additional lock parts.
  • the rotary latch 20 is rotatably mounted on a stationary pivot 21 in the lock housing not shown in detail and is under the action of a spring load illustrated by the force arrow 22.
  • This spring load 22 strives to turn the catch 20 in its Fig. 5 to translate apparent open position, which is marked there with the auxiliary line 20.1.
  • This open position 20.1 is determined by the fact that the rotary latch 20 is supported on a stationary stop 12 in the housing.
  • the open position 20.1 of the catch 20 of Fig. 5 indicates the position of the open tailgate.
  • a fixedly seated on the vehicle closing part 11 is aligned with the opening of a provided in the rotary latch 20 section 24. If the tailgate in the sense of the movement arrow 13 of Fig. 5 closed, the closure member 11 enters the rotary latch cutout 24 and moves the catch 20 against their spring load 22 in different locking positions. There are so-called “pre-rest periods” and “main detents” on rotary traps. In the present, simplified embodiment, only a single catch 23 is shown on the rotary latch 20.
  • the catch 20 passes into its Fig. 1 apparent closed position, where the detected closing part 11 has been taken deep into the interior of the castle.
  • This closed position of the rotary latch 20 is in Fig. 1 marked by the auxiliary line marked 20.2.
  • This closed position 20.2 is secured by an already mentioned pawl 30.
  • the pawl 30 is pivotally mounted on a pin 31, which also sits fixed in the lock housing.
  • the pawl 30 is spring-loaded in the first embodiment by a leg spring 40, which according to the invention as "Over-center spring" works. The particular mode of action of such an over-center spring 40 is in Fig. 6 explained.
  • the Kochtot Vietnamesefeder 40 formed as a leg spring in the first embodiment consists of a helix 43, protrude from the two legs 44, 45.
  • the free ends of these legs 44, 45 form two spring ends 41, 42, of which the one spring end 41 acts on the pawl 30 and is therefore moved during pivoting of the pawl 30 and consequently "movement end” should be referred to.
  • the other spring end 42 is fixed in the lock housing and rests. That is why it should be called the "Festende" of the Mattertot Vietnamesefeder40.
  • Theniktotddlingfeder 40 always exerts a spring force, which seeks to divide its two legs 44, 45 apart. This is indicated by force arrows 47 in FIG Fig. 6 illustrated.
  • the Mattertot Vietnamesefeder 40 has a so-called "dead center line 46" with respect to the movement end 41 can get into two opposing layers.
  • This dead center line 46 is determined by an imaginary rectilinear connection between the pivot bearing 31 of the pawl 30 and the stationary fixed end 42 of the over-center spring 40. Depending on the different pivoting positions, different effects are produced on the latch 30.
  • the pawl 30 has both in its dead center 30.0 of Fig. 2 as well as in its release end position 30.1 of Fig. 3 the catch 20 released.
  • the resilience of the elastic door seal pushes the closing part away, whereby the catch 20 is rotated by taking advantage of the spring load acting on them 22nd
  • the pawl 30 has, in addition to its blocking-effective arm 34, a counter-arm 35 on the opposite side with respect to its pivot bearing 31.
  • On the counter-arm 35 is a control surface 37 which is generated by an angled projection 38.
  • the already mentioned circumferential contour 25 of the rotary latch 20 is a circle with respect to the pivot 21. Dash-dotted is in Fig. 2 and 3 also indicated the resulting rotary travel, which results when the catch 20 but finally in the sense of the movement arrow 26 of Fig. 3 turned back.
  • the circumferential contour 25 of the rotary latch 20 moves with its acting as counter-control surface 27 starting piece against the pawl control surface 37.
  • the counter-control surface 27 abuts the pawl-side control surface 37 at.
  • the pawl 30 in the counterclockwise direction, against the torque 32.1 applied to it in the sense of the in Fig. 4 shown movement arrows 39 forcibly moved.
  • the Fig. 4 again shows the unstable borderline case where the pawl 30 is already in the dead center 30.0 described several times. Also in this case, an interaction of the control surface 37 and the counter-control surface 27 is ensured until the catch 20 has actually reached its stop 12 and in their off Fig. 5 apparent open position 20.1 is located. The closing part 11 is free as out Fig. 5 can be seen.
  • Fig. 5 is the end of movement 41 of the Mattertot Vietnamesefeder 40 again on the rotary latch 20 facing side of the dead center 46.
  • the over-center spring 40 generates a counterclockwise effective torque 32.2.
  • the pawl 30 is resiliently supported by an edge 15 on the outline contour 25 of the rotary latch 20.
  • This pawl 30 is in readiness due to the torque 32.2 to go behind the detent 23 of the catch 20 when they return to their in connection with Fig. 1 explained closed position has been brought. Therefore, the by the auxiliary line 30.3 in Fig. 5 clarified position of the pawl 30 may be referred to as "standby".
  • the ready position 30.3 is as out Fig. 5 already shows an air gap between the pawl control surface 37 and the counter-counter-control surface 27 before.
  • the depth of engagement of the pawl counter-latching 33 may be limited in the latch latch 23 by a shoulder 16 which is resiliently supported on a corresponding mating shoulder of the rotary latch 20 due to the described latch torque 32.2.
  • this counter-shoulder is formed by the outline contour 25 of the rotary latch 20.
  • the invention is of interest not only for the snow load case.
  • the rotary latch 20 With the device according to the invention, the rotary latch 20 always has sufficient time to due to their spring load 22 from its closed position 20.2 of Fig. 1 in its open position 20.1 in Fig. 5 to get.
  • the pawl "waits" until the rotation of the Rotary latch 20 is completed. Only then does she go to her Fig. 5 apparent standby position 30.3.
  • Fig. 7 is used as Götot Vietnamesefeder a compression spring 50 which is supported at one end to a stationary end 52, which is located on the already described in the first embodiment dead center 46.
  • the other spring end 51 acts on the pawl 30 and therefore functions as a "movement end".
  • the analogous effects act as described in connection with the first embodiment.
  • the Mattertot Vietnamesefeder is designed as a tension spring 60, whose ends at 61, 62 in Fig. 8 attack.
  • the one end 61 is arranged movably on the pawl 30 and thus to be referred to as the "end of movement”.
  • the other end of the spring 62 is fixed in position and lies on the already repeatedly mentioned dead center line 46. This end 62 is therefore the "fixed end" of the tension spring 60th

Claims (12)

  1. Serrure pour ouvrants ou portes de véhicules,
    avec dans la serrure un loquet tournant (20) qui dans sa position ouverte (20.1) se trouve sous contrainte ressort (22),
    loquet qui lors de la fermeture de l'ouvrant ou de la porte reçoit une pièce de fermeture (11) en assise fixe contre le véhicule, et se voit imprimer une rotation jusqu'au moins sur une position de fermeture (20.2) définie,
    avec au moins un cran (23) contre le loquet tournant (20), cran dans lequel chute, pendant la rotation, un cliquet (30) monté fixe sur palier pivotant (31) dans la serrure, cran qui définit une position de blocage (30.2) du cliquet (30) et sécurise la position fermée (20.2) du loquet tournant (20),
    avec un ressort (40) à cliquet qui pousse le cliquet (30) jusque dans sa position de blocage (30.2),
    avec un moyen d'actionnement (36) manuel ou motorisé pour soulever le cliquet (30) hors de sa position de blocage (30.2) et le faire se rendre sur une position de déblocage (30.1), position sur laquelle le loquet tournant (20) se trouve débloqué,
    et avec un dispositif pour charge de neige (10) dans la serrure, dispositif qui, après actionnement (36), maintient le cliquet (30) dans sa position de déblocage (30.1) jusqu'à ce que le loquet tournant (20) ait atteint sa position ouverte (20.1),
    caractérisée en ce que
    le ressort de cliquet est configuré en ressort à dépassement de point mort (40) qui, lorsque le cliquet (30) passe de sa position de blocage (30.2) sur une position finale de déblocage (30.1), inverse le sens (32.2; 32.1) dans lequel sa force de
    ressort s'exerce, et en ce que le dispositif pour charge de neige (10) ne se compose que du ressort (40) à dépassement de point mort, ressort qui interagit avec le cliquet (30) et avec le loquet tournant (20).
  2. Serrure selon la revendication 1, caractérisée en ce que le ressort dépassant le point mort (40; 50; 60) comporte deux extrémités (41, 42),
    en ce qu'une extrémité du ressort attaque le cliquet (30) et forme une fin de mouvement (41) du ressort à dépassement de point mort (40; 50; 60), fin qui suit le cliquet (30),
    en ce que l'autre extrémité du ressort a un emplacement fixe dans la serrure et génère une extrémité fixe (42), au repos, du ressort à dépassement de point mort (40; 50; 60),
    en ce qu'une liaison rectiligne imaginaire entre le palier de pivotement (31) du cliquet (30) et l'extrémité fixe (42) du ressort à dépassement de point mort (40; 50; 60) définit une ligne de point mort (46) pour le ressort à dépassement de point mort (40; 50; 60),
    en ce que l'extrémité (41) du mouvement du ressort à dépassement de point mort (40; 50; 60) croise, pendant le pivotement du cliquet (30), la ligne de point mort (46) et définit, sur des côtés se faisant face de la ligne de point mort (46), deux positions finales stables (48.1, 48.2) du ressort à dépassement de point mort (40; 50; 60),
    en ce que le ressort à dépassement de point mort génère un couple (32.2) sur le cliquet (30) dans la première position finale (48.1), et dans la deuxième position finale (48.2) un couple antagoniste (32.1) de sens opposé
    et en ce que le couple (32.2) pousse le cliquet (30) jusque dans sa position de blocage (30.2) et le couple antagoniste (32.1) pousse le cliquet (30) jusque dans sa position finale de déblocage (30.1).
  3. Serrure selon la revendication 1 ou 2, caractérisée en ce que le ressort à dépassement de point mort est configuré en ressort à branches (40).
  4. Serrure selon la revendication 1 ou 2, caractérisée en ce que le ressort à dépassement de point mort est configuré en ressort de compression (50).
  5. Serrure selon la revendication 1 ou 2, caractérisée en ce que le ressort à dépassement de point mort est configuré en ressort de traction (60).
  6. Serrure selon l'une des revendications 1 ou 5, caractérisée en ce que le cliquet (30) présente une surface de commande (37) et le loquet tournant (20) une surface de commande antagoniste (27),
    en ce que dans la position finale de déblocage (30.1) la surface de commande (37) du cliquet (30) fait saillie dans la trajectoire de rotation (28) de la surface de commande antagoniste (27) du loquet tournant (20),
    et en ce que dans la position de blocage (30.2), la surface de commande (37) du cliquet (30) se trouve en dehors (17) de la trajectoire de rotation (28) de la surface de commande antagoniste (27) du loquet tournant (20).
  7. Serrure selon une ou plusieurs des revendications 2 à 6, caractérisée en ce que, en raison du couple (32.2) engendré par le ressort à dépassement de point mort (40; 50; 60), le cliquet (30) s'appuie, dans sa position de blocage (30.2), par un épaulement (16) contre un contour périphérique (25) du loquet tournant (20).
  8. Serrure selon la revendication 7, caractérisée en ce que la surface de commande antagoniste (27) est formée par un contour périphérique (25) du loquet tournant (20).
  9. Serrure selon une ou plusieurs des revendications 6 à 8, caractérisée en ce que lorsque le cliquet (30) se trouve sur un point mort (30.0), là où la fin du mouvement (41) du ressort à dépassement de point mort (40; 50; 60) se trouve sur la ligne de point mort, la surface de commande (37) du cliquet se trouve déjà dans la zone de la trajectoire de rotation (28) de la surface de commande antagoniste (27) du loquet.
  10. Serrure selon une ou plusieurs des revendications 6 à 9, caractérisée en ce que la surface de commande (37) du cliquet (30) est formée par une saillie (38) sur le cliquet (30).
  11. Serrure selon la revendication 10, caractérisée en ce que par rapport à son axe de pivotement (31), le cliquet (30) est configuré à deux bras et présente sur une extrémité (34) de bras le cran antagoniste (33) qui, lorsque le cliquet (30) se trouve en position de blocage (30.2) chute dans le cran (23) du loquet tournant (20),
    et en ce que le cliquet (30) comporte la saillie (38) contre son bras antagoniste (35).
  12. Serrure selon une ou plusieurs des revendications 1 à 11, caractérisée en ce que le cliquet (30) applique contre une butée (14) fixe lorsqu'il se trouve sur sa position finale de déblocage (30.1)
    et en ce que la butée (14) absorbe le couple antagoniste (32.1) du ressort à dépassement de point mort (40; 50; 60) et définit ainsi la seconde position finale (48.2) du ressort à dépassement de point mort (40; 50; 60).
EP20050009428 2004-07-13 2005-04-29 Serrure pour ouvrants ou portes d'un véhicule Expired - Fee Related EP1617023B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410033735 DE102004033735B4 (de) 2004-07-13 2004-07-13 Vorrichtung zur Betätigung von Schlössern an Türen oder Klappen von Fahrzeugen

Publications (3)

Publication Number Publication Date
EP1617023A2 EP1617023A2 (fr) 2006-01-18
EP1617023A3 EP1617023A3 (fr) 2008-05-21
EP1617023B1 true EP1617023B1 (fr) 2010-06-30

Family

ID=35207580

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050009428 Expired - Fee Related EP1617023B1 (fr) 2004-07-13 2005-04-29 Serrure pour ouvrants ou portes d'un véhicule

Country Status (3)

Country Link
US (1) US7261339B2 (fr)
EP (1) EP1617023B1 (fr)
DE (2) DE102004033735B4 (fr)

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Publication number Publication date
US7261339B2 (en) 2007-08-28
EP1617023A3 (fr) 2008-05-21
DE502005009813D1 (de) 2010-08-12
EP1617023A2 (fr) 2006-01-18
US20060012185A1 (en) 2006-01-19
DE102004033735A1 (de) 2006-02-09
DE102004033735B4 (de) 2006-07-27

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