EP0656455A1 - Schliessgerät für eine Kofferraumklappe eines Kraftfahrzeuges - Google Patents

Schliessgerät für eine Kofferraumklappe eines Kraftfahrzeuges Download PDF

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Publication number
EP0656455A1
EP0656455A1 EP94118633A EP94118633A EP0656455A1 EP 0656455 A1 EP0656455 A1 EP 0656455A1 EP 94118633 A EP94118633 A EP 94118633A EP 94118633 A EP94118633 A EP 94118633A EP 0656455 A1 EP0656455 A1 EP 0656455A1
Authority
EP
European Patent Office
Prior art keywords
locking
actuating member
rotation
rotor
rotary actuating
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
EP94118633A
Other languages
English (en)
French (fr)
Other versions
EP0656455B1 (de
Inventor
Louis Canard
Patrice Cotte
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle 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 Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP0656455A1 publication Critical patent/EP0656455A1/de
Application granted granted Critical
Publication of EP0656455B1 publication Critical patent/EP0656455B1/de
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
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets

Definitions

  • the present invention relates to a device for locking a door leaf of a motor vehicle.
  • the invention relates more particularly to a device for locking a trunk door of a motor vehicle.
  • Modern motor vehicles, and in particular high-end vehicles generally have a centralized locking system for the opening elements which makes it possible, in particular by means of an infrared remote control device, to lock in the closed position or unlock various locks which equip the vehicle's opening elements, in particular the access doors to the passenger compartment and the boot door or the tailgate.
  • Each of the locks fitted to the openings can also be actuated manually, in particular by means of a key acting on a lock to manually cause the locking and unlocking of the lock.
  • the trunk door or the tailgate can therefore be unlocked either by means of the lock or by means of the remote control system for simultaneously unlocking the doors.
  • the trunk door When the driver has caused the opening of the doors of the vehicle by means of the remote control device, the trunk door is in the unlocked position whatever the means previously used by the driver to lock it in the closed position, i.e. - say either by means of a key acting on a lock, or by means of the remote control device.
  • This overall design of the trunk door locking system is not satisfactory insofar as it allows the trunk to be opened by a thief when the driving vehicle is stopped at a red light or at a stop, the thief simply having to act on a button for controlling the opening of the trunk door which was previously unlocked by the driver when the latter used his remote control system to board the vehicle.
  • the present invention aims to provide a locking device which overcomes the drawbacks which have just been mentioned.
  • the driver can thus lock and unlock the doors of the vehicle successively several times via the central locking system without being concerned with the state of locking or unlocking of the boot door when the latter has been locked manually.
  • the device 10 illustrated in particular in FIG. 1 comprises a stator 12 which is produced in the form of a cylindrical housing comprising a rear part 14 and a front part 16 of larger diameter.
  • the cylindrical peripheral wall of the rear part 14 of the housing 12 comprises means 18 for its fixing and its immobilization in rotation on a vehicle window, and in particular on a trunk door (not shown).
  • the rear part 14 is a hollow cylinder which rotates inside a manual actuating rotor 20, the rear part 22 of which is in the form of a cylindrical sleeve having surface portions 24 for guiding it in rotation at inside the rear part 14 of the housing 12.
  • the hollow rear part 22 is designed to receive a lock (not shown) whose barrel is linked in rotation to the rotor 20 and whose rotation can be controlled manually by means of a key.
  • the rear part 22 of the manual actuation rotor 20 is extended by an intermediate part 26 of smaller diameter and by a front actuation part 28.
  • the intermediate part 26 is a cylindrical part which is received in rotation in a corresponding bore 30 formed in the partition 32 which separates the rear 14 and front 16 parts of the housing 12 forming a stator.
  • the front actuating part 28 of the rotor 20 extends projecting inside the part front 16 of the stator 12 which is delimited by a peripheral annular cylindrical skirt 34.
  • the front actuating part 28 comprises two diametrically opposite actuating fingers 36 and ends in a small diameter end shaft 38 comprising a groove 40 designed to receive a closing circlip 42.
  • the manual actuation rotor 20 also includes a control finger 44 which extends axially from the intermediate partition 46 delimiting the rear 22 and intermediate 26 parts of the rotor 20 and which is radially eccentric relative to the axis XX common to the rotor 20 and stator 12.
  • control finger 44 In the mounted position, the control finger 44 extends through an annular passage in an arc of a circle 48 formed through the intermediate partition 32 and which extends in the front part 16 of the stator 12 with an upper profile in an arc of a circle. 50 serving to guide the control finger 44 in rotation.
  • the control finger 44 which is made integrally with the rotor 20, can thus move angularly in the annular housing 48 between two opposite angular positions delimited by the ends 52 and 54 of the housing.
  • the front part 16 of the stator 12 comprises a pivot 56 arranged above the housing 48 which extends axially parallel to the axis X-X from the intermediate partition 32 towards the front of the stator.
  • the pivot 56 is designed to receive a latch 58 in the form of a rocker comprising a hole 60 for its mounting on the pivot 56.
  • the latch 58 comprises a first control arm 62 which extends circularly above the housing 48 and whose curved lower face 63 is capable of cooperating with the upper peripheral surface 45 of the control finger 44.
  • the latch 58 comprises a second control arm 64 which extends circularly opposite the first control arm 62 and the lower face 66 of which comprises an inclined ramp 68 which is capable of cooperating with the lateral part 43 of the external surface control finger 44 (see Figures 2 to 5).
  • the free end 70 of the second control arm 64 of the latch 58 has a notch 72 which is designed to receive one end 74 of a bistable leaf spring 76 whose other end 78 is supported in a housing 80 of the stator (see in particular figure 3).
  • the free end 70 of the second control arm 64 is extended radially inwards by a blocking spout 82 whose function will be explained later.
  • the lower part, considering the figures, of the front part 16 of the stator 12 comprises an annular housing open 84 which extends angularly and which is delimited by two radial surfaces of angular stop 86 and 88.
  • the lower housing 84 which extends axially towards the rear from the annular front end face 90 of the annular skirt 34 of the front part 16 of the stator 12, is designed to receive in rotation a guide block 92 formed on the rear face 94 of a rotary actuating member 96.
  • the guide block 92 comprises two radial abutment surfaces 98 and 100 which are each capable of cooperating respectively with a radial abutment surface 86, 88 of the stator 12.
  • the guide block 92 also comprises a portion of concave cylindrical surface 102 which cooperates in sliding with the portion of convex cylindrical surface opposite 85 which delimits the housing 84 radially inward.
  • the rotary actuating member is essentially constituted by a disc-shaped body 104 which is designed to be mounted for rotation in the front part 16 of the stator 12 which for this purpose comprises shoulders 106 for guiding in rotation.
  • the disc 104 is completed at the front by a closing disc 108 produced integrally and of larger diameter which comprises a radial tab 110 comprising a hole 112 intended to receive the end of an actuating rod of a opening lock (not shown).
  • the closing disc 108 constitutes a cover for closing the front part 16 of the stator 12.
  • the rear face 94 of the main disc 104 comprises a drive disc 114 produced integrally with the discs 104 and 108 and whose peripheral cylindrical edge 116 comprises a notch 118 delimited angularly by two radial abutment surfaces 120 and 122.
  • the entire actuating rotary member 96 is traversed at its center by a bore 124 which is provided to allow the passage of the end shaft 38 of the rotor 20.
  • the rear drive disc 114 also includes a double light 126 inside which the pins 36 of the rotor 20 can angularly debate between two extreme angular positions delimited by the radial end surfaces 128 and 130 of each light 126.
  • the locking device 10 comprises a bistable spring 132 for elastic return in rotation of the rotary actuating member 96 relative to the stator 12.
  • the spring 132 is a wire spring, a first end 134 of which is received in a hole 136 formed in the rear face 94 of the disc 104 of the rotary actuating member 96 and the other end of which is received in a hole 140 formed in a portion 142 of the bottom of the front part 16 of the stator 12.
  • the assembly In the assembled and assembled position of the components illustrated in FIG. 1, the assembly is held axially by the circlip 42 which is received in the groove 40 formed on the end shaft 38 of the manual actuation stator 20.
  • the device In the position illustrated in Figure 2, the device is in the unlocked position and at rest, that is to say that there is no action on the drive member 96, nor through the fingers 36 of the manual drive rotor which is in its stable rest position towards which it is resiliently returned in both directions by elastic means (not shown) belonging to the lock, nor by the motorized device for driving the rotation of the rotary actuator 96.
  • the blocking latch 58 is resiliently returned by the spring 76 to its high rest position in which the blocking spout 82 does not interfere with the catch 118 and in which the bottom surface 63 of the control arm 62 is resting against the circular edge 116 of the drive disc 114.
  • the rotary actuating member 96 is resiliently returned to its extreme angular position of unlocking in which the radial abutment surfaces 100 and 88 are in mutual support.
  • the pins 36 are in contact with the radial surfaces 130 of the openings 126 and rotate, counterclockwise, the rotary actuating member 96 to a first intermediate position illustrated in FIG. 3.
  • control finger 44 cooperates with the underside 63 of the control arm 62 of the locking latch 58 to cause the latter to pivot about the pivot 56 clockwise until the free end of the locking spout 82 comes into contact with the edge 116 of the drive disc 114.
  • the bistable spring 76 also crosses its unstable intermediate position and now urges the locking latch 58 to pivot clockwise.
  • the bistable return spring 132 is in an unstable intermediate position and the actuating member 96 is located in an intermediate position between its two extreme angular positions.
  • the control finger 44 occupies an extreme angular position in the housing 48 near the end face 52 of the latter.
  • the rotary actuating member 96 is in its extreme stop position corresponding to the locking of the lock which equips the vehicle trunk door and in which the radial abutment surfaces 86 and 96 are in mutual support.
  • the manual locking operation ends when the driver releases his action on the manual drive rotor and withdraws the key, the rotor being then resiliently returned to its rest position illustrated in FIG. 5 in which the diametrical drive pins 36 are again in abutment against the radial end surfaces 128 of the openings 126 of the actuating disc 114.
  • the trunk In the position illustrated in FIG. 5, the trunk is in the locked position and there is no longer any manual or motorized action on the rotary actuating member 96 which occupies its extreme angular position for locking the trunk door in the closed position .
  • rotary actuating member 96 If the driver causes all the doors of the vehicle to be unlocked simultaneously using his unlocking remote control device, he cannot simultaneously unlock the boot door via the motorized rotation drive device. rotary actuating member 96 because this rotation is prevented by the presence of the spout 82 of the locking latch 58 in the notch 118. When the electric unlocking operation of the opening elements is finished, the rotary actuating member 96 therefore always occupies its extreme locking position illustrated in FIG. 5 towards which it is spring-loaded by the bistable return spring 132.
  • control finger 44 is substantially in line with the pivot 56 and it acts neither on the control arm 62 nor on the control arm 64.
  • the control finger 44 cooperates with the ramp 68 of the control arm 64 of the latch 58 to cause the tilting of the latter, counterclockwise by considering FIG. 5, against of the restoring force applied to it by the bistable spring 76 which, at the end of this unlocking stroke, will elastically urge the latch 58 into its rest position illustrated in FIGS. 1 and 6 in which the spout 82 n '' interferes more with notch 118.
  • the driver can then again freely drive the rotary actuating member 96 in the clockwise direction corresponding to the unlocking of the lock by means of the manual drive rotor whose opposite diametric pins 36 cooperate with the end faces 128 lights 126.
  • the motorized rotation of the rotary actuating member 96 is carried out without interference with the manual drive rotor which remains immobilized in rotation, the relative position of the opposite diametrical pins 36 relative to the radial end faces 130 and 128 of the openings 126 being offset from the angular travel of the rotary actuating member 96 as can be seen by comparing FIGS. 2 and 6.

Landscapes

  • Lock And Its Accessories (AREA)
EP19940118633 1993-12-01 1994-11-26 Schliessgerät für eine Kofferraumklappe eines Kraftfahrzeuges Expired - Lifetime EP0656455B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9314390A FR2713268B1 (fr) 1993-12-01 1993-12-01 Dispositif de verrouillage d'une porte de coffre de véhicule automobile.
FR9314390 1993-12-01

Publications (2)

Publication Number Publication Date
EP0656455A1 true EP0656455A1 (de) 1995-06-07
EP0656455B1 EP0656455B1 (de) 1999-01-13

Family

ID=9453425

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940118633 Expired - Lifetime EP0656455B1 (de) 1993-12-01 1994-11-26 Schliessgerät für eine Kofferraumklappe eines Kraftfahrzeuges

Country Status (4)

Country Link
EP (1) EP0656455B1 (de)
DE (1) DE69415949T2 (de)
ES (1) ES2127874T3 (de)
FR (1) FR2713268B1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2186053A5 (de) * 1972-05-25 1974-01-04 Lectron Products
US3917330A (en) * 1972-05-25 1975-11-04 Lectron Products Electric lock release
FR2470834A1 (fr) * 1979-12-04 1981-06-12 Dubois & Cie Mecanisme de verrouillage pour serrures diverses et son application a des serrures de vehicules en particulier de coffres a actionnement manuel ou electrique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2186053A5 (de) * 1972-05-25 1974-01-04 Lectron Products
US3917330A (en) * 1972-05-25 1975-11-04 Lectron Products Electric lock release
FR2470834A1 (fr) * 1979-12-04 1981-06-12 Dubois & Cie Mecanisme de verrouillage pour serrures diverses et son application a des serrures de vehicules en particulier de coffres a actionnement manuel ou electrique

Also Published As

Publication number Publication date
DE69415949D1 (de) 1999-02-25
FR2713268B1 (fr) 1996-01-05
ES2127874T3 (es) 1999-05-01
DE69415949T2 (de) 1999-05-27
FR2713268A1 (fr) 1995-06-09
EP0656455B1 (de) 1999-01-13

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