EP1160403A1 - Serrure pour porte de véhicule automobile - Google Patents

Serrure pour porte de véhicule automobile Download PDF

Info

Publication number
EP1160403A1
EP1160403A1 EP01113306A EP01113306A EP1160403A1 EP 1160403 A1 EP1160403 A1 EP 1160403A1 EP 01113306 A EP01113306 A EP 01113306A EP 01113306 A EP01113306 A EP 01113306A EP 1160403 A1 EP1160403 A1 EP 1160403A1
Authority
EP
European Patent Office
Prior art keywords
operating
door
lock
auxiliary actuator
motor vehicle
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
EP01113306A
Other languages
German (de)
English (en)
Other versions
EP1160403B1 (fr
Inventor
Giacomo Crotti
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.)
INTIER AUTOMOTIVE EYBL (GERMANY) GMBH
Original Assignee
Magna Closures SpA
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 Magna Closures SpA filed Critical Magna Closures SpA
Publication of EP1160403A1 publication Critical patent/EP1160403A1/fr
Application granted granted Critical
Publication of EP1160403B1 publication Critical patent/EP1160403B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E05B77/22—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
    • 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
    • E05B81/90—Manual override in case of power failure

Definitions

  • the present invention relates to a lock for a door of a motor vehicle, particularly for a passenger door of a motor vehicle.
  • passenger door will be used in the present description in its widest sense, to denote either the door located opposite the driver's door, or a rear door, if present.
  • a door of a motor vehicle generally comprises an upper frame portion which forms an aperture which is closed by a movable window when the latter is raised, and a lower box-shaped portion formed by an outer panel and an inner panel, joined at one end by a terminal edge, and forming between them a compartment which normally houses the window, when lowered, and various components fixed to the panels, including for example a lock and a window winder.
  • a conventional lock generally comprises a closing unit capable of being coupled to a pin integral with a fixed pillar of the corresponding door, and an operating unit of the mechanical type capable of being connected to the manual operating members associated with the door of the motor vehicle, such as the interior and exterior handles, and capable of interacting with the closing unit to cause it to open, or, more precisely, to be released from the pin.
  • a conventional lock also comprises a main security assembly which can be selectively activated to disable the opening of the closing unit from the outside of the motor vehicle (when the external security function is turned on) and an auxiliary security assembly which can be selectively activated to disable the opening of the closing unit from the interior of the motor vehicle (when the «dead lock» or child safety function is turned on).
  • the external security function is turned on by means of an electrically operated actuator, commonly termed the «door securing actuator» while the child safety function, obviously provided only in the locks for the passenger doors of the motor vehicle, is turned on by means of a manually operated actuator, which is normally accessibly on the terminal edge of the lower box-shaped portion of the corresponding door.
  • the driver's door has, in addition to the corresponding lock, a key unit for turning the external security function of all the locks of the motor vehicle on or off by means of a key.
  • Each door may also be provided with an interior button for turning the exterior security function of the corresponding door on or off.
  • This button conventionally carried on the inner panel of the corresponding door and projecting from an upper edge of the lower box-shaped portion of the door, can form, because of its position, a possible means of unauthorized opening of the lock, since it can be accessed relatively easily by means of break-in tools inserted between the window and its seals.
  • the object of the present invention is to provide a lock for a door of a motor vehicle which enables the aforementioned disadvantages to be overcome in a simple and economical way.
  • the aforesaid object is achieved by the present invention in that it relates to a lock for a door of a motor vehicle comprising:
  • the number 1 indicates as a whole a lock for a door 2 of a motor vehicle, in this case for a passenger door of the motor vehicle.
  • the lock 1 is capable of interacting in a known way with a pin 3 ( Figure 5) integral with a pillar (not illustrated) of the door 2 and forms part of a central locking system for the doors of the motor vehicle, the operation of this system being controlled by an electronic control unit, which is known and which is not illustrated, since it does not form part of the present invention.
  • the door 2 comprises, in a known way, a lower box-shaped portion 4, which is delimited by an outer panel 5 and an inner panel 6, forming between them a compartment 7 housing the lock 1;
  • Figure 1 shows, in horizontal section, the corresponding essentially flat and parallel principal portions of the box-shaped portion, joined at one end by a terminal edge 10 which is orthogonal to the principal portions and which faces the pillar of the door 2 bearing the pin 3.
  • the lock 1 essentially comprises a frame 11 housed inside the compartment 7 of the door 2 and fixed to the terminal edge 10, a closing unit 12 carried by the frame 11 and capable of being coupled to the pin 3, and an operating unit 13, also carried by the frame 11 and capable of interacting with the closing unit 12 to cause it to open, or, more precisely, to be released from the pin 3.
  • the frame 11 is essentially L-shaped when viewed from the side, and consists of two prismatic bodies 14, 15 whose thicknesses are small with respect to their other dimensions and which are fixed together at a right angle to each other.
  • the body 14 is delimited by two base walls 16a, 16b parallel to each other and by a lateral edge 17 connecting the base walls 16a, 16b along their external perimeters. More precisely, the body 14 can be fixed by its base wall 16a to the terminal edge 10 of the lower portion 4 of the door 2, and its opposite side communicates with the body 15.
  • the body 14 also has a lateral C-shaped opening 18 for the introduction of the pin 3, part of this opening extending along the base wall 16a and part of it extending along a corresponding portion of the lateral edge 17.
  • the opening 18 is also located next to an angled opening (not shown in the attached figures) formed in the lower portion 4 of the door 2 in the corner area formed between the terminal edge 10 and the main portion 9 of the inner panel 6.
  • the closing unit 12 ( Figure 5) is housed within the body 14 and comprises, in a known way, a fork 20 and a retainer 21 pivoted respectively on pivots 22, 23 which are fixed integrally with the body 14 and have respective axes A, B parallel to each other and orthogonal to the base walls 16a, 16b.
  • the fork 20 consists of a shaped plate, is pivoted in its intermediate portion on the pivot 22 and has a peripheral C-shaped seat 24 capable of receiving the pin 3 and delimited laterally by a pair of teeth 25, 26.
  • the fork 20 is pushed by a corresponding spring (of a known type, not illustrated) towards an open position, in which it is made to bear laterally on the lateral edge 17 of the body 14 and has its seat 24 facing essentially in the same direction as the opening 18, to permit the engagement and disengagement of the pin 3.
  • a corresponding spring of a known type, not illustrated
  • the fork 20 is rotatable about the axis A from the open position to a closed position, in which the pin 3 is locked in the seat 24 and the tooth 25 intercepts the opening 18 in a known way to prevent the release of the pin.
  • the retainer 21 consists of a shaped plate which is essentially coplanar with the form 20 and is pushed in a known way towards a peripheral edge of the fork 20 by a spring (of a known type, not illustrated) wound around the pivot 23.
  • the retainer 21 has an L-shaped terminal edge and can be snapped into place against one end of the tooth 25 of the fork 20 to lock the fork 20 releasably in the closed position.
  • the retainer 21 can interact in a known way, not illustrated, with the operating unit 13 to receive opening forces from the latter.
  • the operating unit 13 which is of a known type and is described and illustrated only to the extent required for an understanding of the present invention, essentially comprises a first and a second opening lever 30, 31, which are supported by the frame 11, are coupled for operation to the closing unit 12 and are connectable to corresponding handles (not illustrated) of the door 2 which can be operated selectively, from the outside of the motor vehicle in one case and from the inside in the other case, to cause the closing unit 12 to be uncoupled from the pin 3.
  • the opening lever 30 is pivoted on the body 14 about an axis (not shown in the attached figures) parallel to the axes A and B, while the opening lever 31 is pivoted on the body 15 about an axis orthogonal to the axes A and B.
  • the lock 1 also comprises a first and a second security assembly 32, 33, which are known and are also illustrated and described only to the extent required for the understanding of the present invention, and which are supported by the frame 11 and can be selectively activated to disable the opening of the closing unit 12 from the outside and from the inside, respectively, of the motor vehicle, thus providing what are known as the «external security» and «child safety» functions respectively.
  • the lock 1 also comprises an electrically operated main actuator 34 for operating the security assembly 32, and an auxiliary manually operated actuator 35 for operating the security assembly 33.
  • the main actuator 34 comprises an electric motor 36, whose operation is controlled in a known way by the control unit of the central locking system of the motor vehicle, and a geared transmission 37 interposed between the motor 36 and an operating member 38 of the security assembly 32.
  • the transmission 37 comprises a pinion 39 keyed on an output shaft 40 of the motor 36, having an axis C parallel to the axes A and B, and a toothed sector 41 having an axis D parallel to the axis C, engaged with the pinion 39 and carrying the operating member 38 integrally and coaxially with it.
  • the operating member 38 consists of an essentially cylindrical pin engaged within a central cylindrical sleeve 42 of the toothed sector 41 and provided with an eccentric end portion 43 interacting with a transmission lever 44 of the security assembly 32.
  • the operating member 38 is rotatable integrally with the toothed sector 41 about the axis D between a position in which the external security system is turned on, in which by means of the eccentric portion 43 it sets the lever 44 in a condition preventing the opening of the closing unit 12, and a position in which the external security system is turned off.
  • the auxiliary actuator 35 comprises a button 45, which passes through corresponding penetrating holes 46, 47 with the axis D in the body 14 and in the terminal edge 10 of the door 2, and which is coupled in an axially slidable way and with a fixed angular position to an operating member 48 of the security assembly 33.
  • the button 45 comprises a cylindrical head 50 provided with an elongate slot 51 forming a socket for an operating key (not shown) and a shank 52 of predominantly prismatic shape. More precisely, the shank 52 comprises a prismatic portion 53 having a square section with rounded corners, joined to the head 50 by a short cylindrical portion 54.
  • the button 45 also comprises an annular flange 55 interposed between the head 50 and the cylindrical portion 54 of the shank 52 and projecting radially from the head 50.
  • the hole 46 has an entry portion 56 formed in the base wall 16a and having the same diameter as the hole 47 in the terminal edge 10 of the door 2, an intermediate portion 57 whose cross section is greater than that of the entry portion 56, and a terminal portion 58, located on the opposite side of the intermediate portion 57 from the entry portion 56, having a smaller diameter than the other two portions and opening into a cavity 59 of the body 14 in which the security assemblies 32 and 33 are housed.
  • the button 45 is located with its shank 52 engaged within the terminal portion 58 of the hole 46 of the body 14, and with its head 50 fitted so that it passes through the entry portion 56 of the hole 46 and the hole 47 of the terminal edge 10 of the door 2.
  • the operating member 48 consists of a tubular sleeve engaged in an axially and angularly movable way within the terminal portion 58 of the hole 46 of the body 14 and joined by prismatic coupling to the portion 53 of the button 45.
  • the operating member 48 has an inner surface which is complementary to the outer surface of the portion 53 of the button 45, and forms a seat 49, providing angular coupling and axial sliding, for the portion 53.
  • the operating member 48 comprises an externally cylindrical main portion 60, engaged within the terminal portion 58 of the hole 46 of the body 14, an eccentric portion 61 interacting with a transmission lever 62 of the security assembly 33 and located adjacent to the eccentric portion 43 of the operating member 38, and an intermediate portion 63 which is also externally cylindrical, is interposed between the main portion 60 and the eccentric portion 61, has an external diameter greater than that of the main portion 60, and is positioned to bear on an annular shoulder of the body 14 formed between the cavity 59 and the terminal portion 58 of the hole 46.
  • the operating member 48 is locked axially between the eccentric portion 43 of the operating member 38 and the shoulder of the body 14 formed between the cavity 59 and the hole 46.
  • the button 45 is loaded axially by a cylindrical coil spring 65 wound coaxially around the shank 52, housed in the intermediate portion 57 of the hole 46 and interposed between the flange 55 and an axial shoulder of the body 14 formed between the intermediate portion 57 and the terminal portion 58 of the hole 46.
  • the button 45 is pushed by the spring 65 into a first operating configuration ( Figure 1) in which it permits, by rotation about its axis D through an angular interval, the movement of the operating member 48 between the child safety «off» and «on» positions.
  • the flange 55 is positioned so that it bears axially on the base wall 16a, and a terminal portion of the prismatic portion 53 of the shank 52 is engaged, with radial play, in a cylindrical entry portion 66 of a blind hole 67 with the axis D in the operating member 38.
  • the hole 67 in the operating member 38 has, in addition to the cylindrical entry portion 66, a terminal portion 68 having a profile complementary to the profile of the prismatic portion 53 of the shank 52.
  • the button 45 is movable along the axis D between the first operating configuration and a second operating position ( Figure 3) in which its prismatic portion 53 is engaged with the terminal portion 68 of the hole 67 of the operating member 38 and therefore permits the movement of both of the operating members 38, 48 about the axis D for the simultaneous turning on and off of the external security and child safety functions.
  • the button 45 therefore permits the emergency manual activation of the security assembly 32, as an alternative to the use of the main actuator 34.
  • the child safety function can be turned on and off simply by rotating the button 45 about the axis D, the button being held stably in the first operating configuration by the spring 65.
  • the external security function for the door 2 can be turned on manually, with the door 2 open, simply by acting on the button 45 in such a way as to move it axially into the second operating configuration.
  • This operation can only be carried out when the operating member 48 is placed in the child safety «off» position; otherwise, the prismatic portion 53 of the shank 52 of the button 45 and the prismatic terminal portion 68 of the hole 67 of the operating member 38 would be out of angular alignment with each other, which would make it impossible to couple them together.
  • the button 45 must be rotated about the axis D in such a way as to bring the operating member 48 into the child safety «off» position, and the button 45 must then be moved from the first to the second operating configuration.
  • the rotation of the button 45 about the axis D causes the angular movement of the operating members 38, 48 into the external security «on» position and into the child safety «on» position respectively.
  • the door 2 can be closed by slamming in such a way as to cause the closing unit 12 of the lock 1 to be coupled to the pin 3.
  • the door 2 can subsequently be opened by acting on the interior handle in the first place, to cause the external security function to be mechanically turned off in a known way in an initial portion of the travel of the interior handle, and then by acting directly on the exterior handle, since the child safety function can be turned off only by acting on the button 45.
  • the manually operated auxiliary actuator 35 can be used both to turn the child safety function on and off, and to turn the external security function on and off manually in an emergency situation if there is a failure of the central locking system of the motor vehicle.
  • auxiliary actuator 35 is difficult to access or manoeuvre for the purpose of breaking in, owing to the position in which it is located in the door 2.

Landscapes

  • Lock And Its Accessories (AREA)
EP01113306A 2000-06-02 2001-05-31 Serrure pour porte de véhicule automobile Expired - Lifetime EP1160403B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO000523 2000-06-02
IT2000TO000523A IT1320389B1 (it) 2000-06-02 2000-06-02 Serratura per una portiera di un autoveicolo.

Publications (2)

Publication Number Publication Date
EP1160403A1 true EP1160403A1 (fr) 2001-12-05
EP1160403B1 EP1160403B1 (fr) 2006-02-15

Family

ID=11457780

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01113306A Expired - Lifetime EP1160403B1 (fr) 2000-06-02 2001-05-31 Serrure pour porte de véhicule automobile

Country Status (5)

Country Link
EP (1) EP1160403B1 (fr)
BR (1) BR0102952A (fr)
DE (1) DE60117199T2 (fr)
IT (1) IT1320389B1 (fr)
PL (1) PL347847A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2562337A1 (fr) * 2010-04-22 2013-02-27 Aisin Seiki Kabushiki Kaisha Dispositif de verrouillage de portière de véhicule
WO2015024557A1 (fr) * 2013-08-22 2015-02-26 Kiekert Ag Fermeture de porte pour véhicule à moteur
WO2019076407A1 (fr) * 2017-10-20 2019-04-25 Kiekert Ag Serrure de porte de véhicule à moteur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012008326U1 (de) * 2012-08-28 2013-12-02 Kiekert Aktiengesellschaft Kraftfahrzeugtürschloss

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0775793A1 (fr) * 1995-11-24 1997-05-28 Rockwell Light Vehicle Systems (UK) Limited Actionneur pour porte de véhicule
DE19806155A1 (de) * 1998-01-20 1999-07-22 Kiekert Ag Kraftfahrzeugtürverschluß
FR2778197A1 (fr) * 1998-04-30 1999-11-05 Valeo Securite Habitacle Serrrure de porte de vehicule automobile a condamnation de secours

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0775793A1 (fr) * 1995-11-24 1997-05-28 Rockwell Light Vehicle Systems (UK) Limited Actionneur pour porte de véhicule
DE19806155A1 (de) * 1998-01-20 1999-07-22 Kiekert Ag Kraftfahrzeugtürverschluß
FR2778197A1 (fr) * 1998-04-30 1999-11-05 Valeo Securite Habitacle Serrrure de porte de vehicule automobile a condamnation de secours

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2562337A1 (fr) * 2010-04-22 2013-02-27 Aisin Seiki Kabushiki Kaisha Dispositif de verrouillage de portière de véhicule
EP2562337A4 (fr) * 2010-04-22 2013-07-24 Aisin Seiki Dispositif de verrouillage de portière de véhicule
US8740264B2 (en) 2010-04-22 2014-06-03 Aisin Seiki Kabushiki Kaisha Vehicle door lock device
WO2015024557A1 (fr) * 2013-08-22 2015-02-26 Kiekert Ag Fermeture de porte pour véhicule à moteur
WO2019076407A1 (fr) * 2017-10-20 2019-04-25 Kiekert Ag Serrure de porte de véhicule à moteur

Also Published As

Publication number Publication date
PL347847A1 (en) 2001-12-03
BR0102952A (pt) 2002-02-13
IT1320389B1 (it) 2003-11-26
DE60117199T2 (de) 2006-11-16
EP1160403B1 (fr) 2006-02-15
DE60117199D1 (de) 2006-04-20
ITTO20000523A1 (it) 2001-12-02
ITTO20000523A0 (it) 2000-06-02

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