EP3141678B1 - Dispositif de verrouillage de porte de véhicule - Google Patents

Dispositif de verrouillage de porte de véhicule Download PDF

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Publication number
EP3141678B1
EP3141678B1 EP15306376.3A EP15306376A EP3141678B1 EP 3141678 B1 EP3141678 B1 EP 3141678B1 EP 15306376 A EP15306376 A EP 15306376A EP 3141678 B1 EP3141678 B1 EP 3141678B1
Authority
EP
European Patent Office
Prior art keywords
latch
shock
vehicle door
release lever
casing
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
EP15306376.3A
Other languages
German (de)
English (en)
Other versions
EP3141678A1 (fr
Inventor
Johann Robert
François BERNIER
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.)
Minebea AccessSolutions France SAS
Original Assignee
U Shin France SAS
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 U Shin France SAS filed Critical U Shin France SAS
Priority to ES15306376T priority Critical patent/ES2744871T3/es
Priority to EP15306376.3A priority patent/EP3141678B1/fr
Priority to JP2018511634A priority patent/JP6744400B2/ja
Priority to PCT/EP2016/070878 priority patent/WO2017042131A1/fr
Priority to CN201680052460.6A priority patent/CN108350706B/zh
Publication of EP3141678A1 publication Critical patent/EP3141678A1/fr
Application granted granted Critical
Publication of EP3141678B1 publication Critical patent/EP3141678B1/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
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • 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
    • E05B77/34—Protection against weather or dirt, e.g. against water ingress
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0062—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with destructive disengagement

Definitions

  • the present invention relates to a vehicle door latch device according to the preamble of claim 1.
  • Said vehicle door latch device comprises a safety system against car crashes.
  • Such a safety system is configured to prevent the opening of the door in case of shock on a panel of the door.
  • Such devices generally comprise
  • the device cooperates with a blocking member of the door panel, such as a stiffener, placed near the latch release lever, the blocking member being configured such that in case of a deformation of the door panel due to a shock applied in a lateral direction of the door panel, the blocking member is moved to block the latch release lever.
  • a blocking member of the door panel such as a stiffener
  • a window is generally provided in the latch casing.
  • Such a window causes a water ingress and the deterioration of the latch mechanism due to external conditions such as cold, moisture and dust.
  • the object of the invention is to provide a vehicle door latch device with a safety system efficient, not costly and, which prevents the deterioration of the latch mechanism due to external conditions.
  • the invention relates to a vehicle door latch device comprising:
  • the vehicle door latch device of the invention comprises a latch casing which is sealed by the safety device without any water ingress, and in which the inside of the latch casing is protected against external aggression, such as water or dust.
  • the safety device implements an efficient blocking of the latch release lever in case of a shock made on the shock receiving part.
  • the invention further relates to a vehicle door comprising:
  • the sealing part ensures the sealing of the latch casing during the shock.
  • the vehicle door latch device of the first embodiment of the invention comprises a latch release lever 3.
  • the latch release lever 3 is a part of a latch mechanism of the vehicle door.
  • the latch release lever 3 enables to unlatch the door, such that the door may be opened.
  • the latch release lever 3 is movably mounted between an active position and a rest position.
  • the latch release lever 3 actuates the latch mechanism so as to unlatch the door, in particular through a Bowden cable. More particularly, the latch release lever 3 is connected to a handle lever configured to be actuated by a user to move the latch release lever 3 in order to unlatch the door.
  • the latch mechanism In the rest position, the latch mechanism is released. More particularly, the handle lever is released by the user such that the latch release lever 3 may come back from the active position to the rest position, or remain at the rest position.
  • the device preferably comprises return means (not represented) urging the latch release lever 3 towards the rest position.
  • the vehicle door latch device further comprises a latch casing 5 receiving the latch release lever 3.
  • the latch casing 5 comprises a part of the latch mechanism connected to the latch release lever 3 such as the Bowden cable.
  • the latch casing 5 preferably comprises a cover 51 and a housing 52 cooperating together to form a space in which the latch release lever 3 is received.
  • the vehicle door latch device further comprises a safety device 4 configured to close the latch casing 5.
  • the safety device is fitted between the cover 51 and the housing 52.
  • the latch casing 5 and the safety device 4 enable an improved protection of the latch release lever 3 from water ingress and external conditions such as cold, moisture and dust.
  • the safety device 4 comprises a sealing part 4a configured for participating of the closing of the latch casing.
  • the sealing part 4a has a form complementarity with the corresponding part of the latch casing 5.
  • the sealing part 4a comprise two extremities 41 and 42a configured to cooperate with the cover 51 and the housing 52, respectively.
  • the safety device 4 further comprises a shock receiving part 43 and a blocking part 40.
  • the shock receiving part 43 is configured to receive a shock from outside the latch casing 5. In particular, such a shock is transferred to the safety device 4 such that the safety device may move towards the inside of the latch casing.
  • the blocking part 40 is configured to block the latch release lever 3 at an intermediate position between the rest position and the active position when the shock is received by the shock receiving part 43.
  • the blocking part 40 thereby prevents the latch release lever 3 from reaching the active position. More particularly, the shock transferred to the safety device 4 enables to move the blocking part 40 towards the latch release lever 3 so as to block the latch release lever 3.
  • the blocking part 40 may preferably comprise rubber.
  • the shock receiving part 43 and the blocking part 40 improve the safety of the vehicle because in case of a shock on the door received by the shock receiving part 43, the blocking part 40 in turns blocks the latch release lever 3 to prevent unwanted openings of the door.
  • the sealing part 4a permanently ensures the sealing of the latch casing 5, in particular, at least before the shock.
  • the sealing part 4a is configured to ensure the sealing of the latch casing 5 during the shock.
  • the sealing part 4a comprises an extensible resilient sealing material to this end.
  • the sealing part 4a is supported by the shock receiving part 43 as shown in figures 2A and 2B .
  • a sealing part 4a may be overmolded on the shock receiving part 43.
  • the sealing part 4a and the shock receiving part 43 may be made as a one piece element.
  • the sealing part may also be fitted onto or aside of the blocking part.
  • the shock receiving part 43 pushes the blocking part 40 such that the blocking part 40 blocks the latch release lever 3, as shown in figure 4 .
  • One extremity 42 may remain connected to the housing 52 and the other extremity 41 is moved within, for example by sliding within the cover 51 as shown in figure 4 .
  • the safety device 4 comprises a return means 46 configured to urge the safety device 4, specifically the blocking part 40, in a direction opposite to the direction of the shock received by the shock receiving part 43 when the shock receiving part 43 is hit below a force threshold.
  • the return means 46 in particular a spring plate, enables to restore the sealing of the latch casing.
  • the blocking part 40 and the shock receiving part 43 form a single element. This enables to make these parts by molding them in a single step.
  • the shock receiving part 43 comprises a ramp receiving said shock.
  • a ramp enables to have a constant distance between the shock receiving part and the part of the handle transferring the shock to the safety device.
  • the shock receiving part 43 is thus sensitive to shocks made with different angles.
  • the safety device 4 comprises at least one distortion element configured to make the blocking part 40 reach an irreversible blocking position when the shock receiving part 43 is hit beyond a breaking force threshold.
  • a first distortion element 42 and a second distortion element 45 are provided.
  • the first distortion element 42 is at a zone of contact between the safety device 4 and the latch casing 5.
  • the second distortion element 45 comprises a snap fuse part configured to be broken beyond said breaking force threshold from the right part of figure 3 .
  • the first distortion element 42 is configured to remain oriented towards the interior of the latch casing 5 as shown in figure 4 .
  • the blocking part 40 keeps blocking the latch release lever 3 even if the shock is transient.
  • the vehicle door latch device of the second embodiment of the invention is similar to the one of the first embodiment.
  • the blocking part 140 comprises a transfer lever 144 configured to block the latch release lever 3.
  • the transfer lever 144 is separate from the shock receiving part 143.
  • this embodiment enables to have a blocking part 140 with a specific material, for example a more rigid material, with respect to the shock receiving part 143 or the sealing part 4a.
  • an element distinct from the sealing part 4a in particular the blocking part 140 comprising a transfer lever 144, is used to block the latch mechanism, in particular the latch release lever 13.
  • the blocking part 140 may preferably comprise steel.
  • the shock receiving part 4a is overmolded on the transfer lever 144.
  • an alternative distortion element 142 comprises an internal leg and an external leg, with respect to the interior of the latch casing 15.
  • the internal leg is fitted on the latch casing 5.
  • the shock receiving part 143 When a shock beyond a predetermined threshold is received by the shock receiving part 143, the internal leg is pushed inwardly and remains in the latch casing 15 as shown in figure 5B such that the blocking part 140 keeps blocking the latch release lever 13 even if the shock is transient.
  • the predetermined threshold is/corresponds to a shock of 90N.
  • the vehicle door latch device of the third embodiment of the invention is similar to the ones of the first and second embodiment.
  • the safety device is configured such that when the shock is received by the shock receiving part 343, the blocking part 340 is broken such that the blocking part 340 blocks the latch release lever 33.
  • the shock receiving part 343 comprises a fusible zone configured to break off when the shock is received.
  • the vehicle door latch device of the fourth embodiment of the invention is similar to the ones of the first and second embodiment.
  • the safety device is configured such that when the shock is received by the shock receiving part 243, the blocking part 240 is deformed so as to block the latch release lever 3.
  • Figure 7 details further an example of latch mechanism 6 comprising a Bowden cable 62, and a lever connection 61 connecting the Bowden cable to the latch lever 23 so as to be pulled in the illustrated positions 23A, 23B and 23C.
  • an alternative set of distortion elements comprises a first distortion element 242 and a second distortion element 242a partially overlapping each other.
  • the first distortion element 242 is on the shock receiving part and the second distortion element 242a is on the transfer lever.
  • One or both of the distortion elements 242, 242a are at least partially resilient.
  • the first distortion element 242 may be external to the second distortion element 242a as shown in figure 8 , or the opposite arrangement may be implemented.
  • the internal distortion element 242a When a shock beyond a predetermined threshold is received by the shock receiving part, the internal distortion element 242a is pushed inwardly and remains in inwardly with respect to the other distortion element 242 as shown in figure 9 such that the blocking part keeps blocking the latch release lever 13 even if the shock is transient.
  • the latch casing 5 comprises a casing distortion part configured to cooperate with the shock receiving part and the blocking part such that when the shock receiving part is hit beyond a casing force threshold, the shock is transmitted to the latch casing 5 driving the blocking part, and the latch casing 5 reaches an irreversible blocking position and causes the blocking part to block the latch release lever 3.
  • a casing distortion part comprises one or more of the above distortion element on the latch casing 5 instead of on the safety device.
  • the safety device 4 has a curved shape configured to close a corner of the latch casing 5. This embodiment improves the degrees of freedom of the movement of the safety device.
  • the vehicle door latch device of the invention is part of a vehicle door.
  • the vehicle door further comprises a door panel 1, and a shock transmitting member 2, 22 or 32.
  • the shock transmitting member 2 is at least partially connected to the door panel 1 and is placed near to the safety device 4.
  • the shock transmitting member 2 is configured such that in case of a deformation of the door panel 1 due to a shock in a direction lateral relatively to the door, the shock transmitting member 2 transmits said lateral shock to the safety device 4 such that the blocking part is moved to block the latch release lever 3.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (15)

  1. Dispositif de verrou de portière de véhicule comprenant :
    - un levier de déverrouillage (3 ; 13 ; 23 ; 33) faisant partie d'un mécanisme de verrou permettant le déverrouillage de la portière, le levier de déverrouillage (3) étant monté de manière mobile entre une position active dans laquelle le levier de déverrouillage (3 ; 13 ; 23 ; 33) actionne le mécanisme de verrou de manière à déverrouiller la portière, et
    une position de repos dans laquelle le mécanisme de verrou est déverrouillé,
    - un boîtier de verrou (5) recevant le levier de déverrouillage (3 ; 13 ; 23 ; 33), et
    - un dispositif de sécurité (4) configuré pour fermer le boîtier de verrou (5), le dispositif de sécurité (4) comprenant
    une partie d'étanchéité (4a) configurée pour participer à la fermeture du boîtier de verrou (5),
    une partie de réception de choc (43 ; 143 ; 243 ; 343) configurée pour recevoir un choc de l'extérieur du boîtier de verrou (5),
    une partie de blocage (40 ; 140 ; 240 ; 340) configurée pour bloquer le levier de déverrouillage (3 ; 13 ; 23 ; 33) dans une position intermédiaire entre la position de repos et la position active lorsque le choc est reçu par la partie de réception de choc (43 ; 143 ; 243 ; 343), de manière à éviter que le levier de déverrouillage (3 ; 13 ; 23 ; 33) n'atteigne la position active,
    le dispositif de verrou de portière de véhicule étant caractérisé en ce que la partie d'étanchéité (4a) assure en permanence l'étanchéité du boîtier de verrou (5) de sorte que ledit boîtier de verrou (5) soit scellé par le dispositif de sécurité (4) de manière à empêcher toute infiltration d'eau .
  2. Dispositif de verrou de portière de véhicule selon la revendication précédente, dans lequel la partie d'étanchéité (4a) assure l'étanchéité du boîtier de verrou pendant le choc.
  3. Dispositif de verrou de portière de véhicule selon l'une des revendications précédentes, dans lequel la partie d'étanchéité (4a) est supportée par la partie de réception de choc (43).
  4. Dispositif de verrou de portière de véhicule selon l'une des revendications précédentes, dans lequel la partie d'étanchéité (4a) est ajustée sur ou à côté de la partie de blocage (140).
  5. Dispositif de verrou de portière de véhicule selon la revendication précédente, dans lequel, lorsque le choc est reçu par la partie de réception de choc (43 ; 143), la partie de réception de choc (43 ; 143) pousse la partie de blocage (40 ; 140) de sorte que la partie de blocage (40 ; 140) bloque le levier de dé verrouillage (3 ; 13).
  6. Dispositif de verrou de portière de véhicule selon l'une des revendications précédentes, dans lequel la partie de blocage (140) comprend un levier de transfert (144) configuré pour bloquer le levier de déverrouillage (13).
  7. Dispositif de verrou de portière de véhicule selon la revendication précédente, dans lequel la partie de réception de choc (143) est surmoulée sur le levier de transfert (144).
  8. Dispositif de verrou de portière de véhicule selon l'une des revendications précédentes, dans lequel, lorsque le choc est reçu par la partie de réception de choc (343), la partie de blocage (340) est rompue de sorte que la partie de blocage (340) bloque le levier de déverrouillage (33).
  9. Dispositif de verrou de portière de véhicule selon l'une des revendications précédentes, dans lequel, lorsque le choc est reçu par la partie de réception de choc (243), la partie de blocage (240) est déformée de manière à bloquer le levier de déverrouillage (23).
  10. Dispositif de verrou de portière de véhicule selon l'une des revendications précédentes, dans lequel la partie de blocage (40) et la partie de réception de choc (43) forment un seul élément.
  11. Dispositif de verrou de portière de véhicule selon l'une des revendications précédentes, dans lequel le dispositif de sécurité (4) comprend au moins un élément de déformation (42, 45 ; 142 ; 242, 242a) configuré pour amener la partie de blocage (40) à atteindre une position de blocage irréversible lorsque la partie de réception de choc (43) est frappée par une force au-delà d'un seuil de force de rupture.
  12. Dispositif de verrou de portière de véhicule selon la revendication précédente, dans lequel les éléments de distorsion (45) comprennent une partie de fusible encliquetable configurée pour être rompue au-delà dudit seuil de force de rupture.
  13. Dispositif de verrou de portière de véhicule selon l'une des revendications précédentes, dans lequel le dispositif de sécurité (4) comprend un moyen de rappel (46) configuré pour solliciter le dispositif de sécurité (4), en particulier la partie de blocage, dans une direction opposée à la direction du choc reçu par la partie de réception de choc (43) lorsque la partie de réception de choc (43) est frappée par une force inférieure à un seuil de force.
  14. Dispositif de verrou de portière de véhicule selon l'une des revendications précédentes, dans lequel le boîtier de verrou (5) comprend une partie de déformation de boîtier configurée pour coopérer avec la partie de réception de choc et la partie de blocage de sorte que lorsque la partie de réception de choc est frappée par une force au-delà d'un seuil de force de boîtier, le choc est transmis au boîtier de verrou (5) entraînant la partie de blocage, et le boîtier de verrou (5) atteint une position de blocage irréversible et amène la partie de blocage à bloquer le levier de déverrouillage (3).
  15. Portière de véhicule comprenant :
    un panneau de portière (1),
    un dispositif de verrou de portière de véhicule selon l'une des revendications précédentes comprenant un dispositif de sécurité,
    un organe de transmission de choc (2) relié au moins partiellement au panneau de portière (1) et placé à proximité du dispositif de sécurité (4), l'organe de transmission de choc (2) étant configuré de sorte qu'en cas de déformation du panneau de portière (1) en raison d'un choc dans une direction latérale par rapport à la portière, l'organe de transmission de choc (2) transmet ledit choc latéral au dispositif de sécurité (4) de sorte que la partie de blocage (40 ; 140 ; 240 ; 340) soit déplacée de manière à bloquer le levier de déverrouillage (3 ; 13 ; 23 ; 33), la partie d'étanchéité (4a) assurant l'étanchéité du boîtier de verrou (5).
EP15306376.3A 2015-09-09 2015-09-09 Dispositif de verrouillage de porte de véhicule Active EP3141678B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES15306376T ES2744871T3 (es) 2015-09-09 2015-09-09 Dispositivo de cerradura de puerta de vehículo
EP15306376.3A EP3141678B1 (fr) 2015-09-09 2015-09-09 Dispositif de verrouillage de porte de véhicule
JP2018511634A JP6744400B2 (ja) 2015-09-09 2016-09-05 車両用ドアラッチ装置
PCT/EP2016/070878 WO2017042131A1 (fr) 2015-09-09 2016-09-05 Dispositif de verrouillage de portière de véhicule
CN201680052460.6A CN108350706B (zh) 2015-09-09 2016-09-05 车辆车门闩锁装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15306376.3A EP3141678B1 (fr) 2015-09-09 2015-09-09 Dispositif de verrouillage de porte de véhicule

Publications (2)

Publication Number Publication Date
EP3141678A1 EP3141678A1 (fr) 2017-03-15
EP3141678B1 true EP3141678B1 (fr) 2019-07-24

Family

ID=54145706

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15306376.3A Active EP3141678B1 (fr) 2015-09-09 2015-09-09 Dispositif de verrouillage de porte de véhicule

Country Status (5)

Country Link
EP (1) EP3141678B1 (fr)
JP (1) JP6744400B2 (fr)
CN (1) CN108350706B (fr)
ES (1) ES2744871T3 (fr)
WO (1) WO2017042131A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH076412Y2 (ja) * 1986-11-20 1995-02-15 三菱自動車工業株式会社 ドアロツクのラツチ解錠防止装置
US7648192B2 (en) * 2005-08-02 2010-01-19 Ford Global Technologies, Llc Door latch system for automotive vehicle
DE102009041744B4 (de) * 2009-09-16 2013-06-20 Audi Ag Vorrichtung zum Geschlossenhalten einer Fahrzeugtür während eines Unfalls
JP5926106B2 (ja) * 2012-04-20 2016-05-25 トヨタ自動車株式会社 車両用ドア構造
DE202012007325U1 (de) * 2012-07-31 2013-11-04 Kiekert Aktiengesellschaft Kraftfahrzeugtürschloss
DE102012025053A1 (de) * 2012-12-21 2014-06-26 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
CN203846892U (zh) * 2013-04-23 2014-09-24 三井金属爱科特株式会社 车辆用门锁装置
US10316551B2 (en) * 2014-01-10 2019-06-11 Inteva Products, Llc Apparatus and method for preventing undesired latch release
CN203905667U (zh) * 2014-06-24 2014-10-29 上海通用汽车有限公司 一种车用门锁外释放连杆的保护装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2744871T3 (es) 2020-02-26
JP2018528338A (ja) 2018-09-27
EP3141678A1 (fr) 2017-03-15
CN108350706B (zh) 2020-02-21
WO2017042131A1 (fr) 2017-03-16
JP6744400B2 (ja) 2020-08-19
CN108350706A (zh) 2018-07-31

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