EP0953701A1 - Kraftfahrzeugtürschloss - Google Patents

Kraftfahrzeugtürschloss Download PDF

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Publication number
EP0953701A1
EP0953701A1 EP99400830A EP99400830A EP0953701A1 EP 0953701 A1 EP0953701 A1 EP 0953701A1 EP 99400830 A EP99400830 A EP 99400830A EP 99400830 A EP99400830 A EP 99400830A EP 0953701 A1 EP0953701 A1 EP 0953701A1
Authority
EP
European Patent Office
Prior art keywords
wheel
lock
opening
door
lever
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.)
Ceased
Application number
EP99400830A
Other languages
English (en)
French (fr)
Inventor
Jean-Michel Roncin
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 EP0953701A1 publication Critical patent/EP0953701A1/de
Ceased 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
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • 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
    • E05B77/26—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 specially adapted for child safety
    • E05B77/265—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 specially adapted for child safety hand actuated, e.g. by a lever at the edge of the door
    • 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
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0056—Locks with adjustable or exchangeable lock parts
    • 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
    • E05B77/26—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 specially adapted for child safety
    • 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
    • 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
    • E05B85/01—Mechanical arrangements specially adapted for hands-free locking or unlocking
    • 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
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor
    • 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
    • Y10T70/00—Locks
    • Y10T70/60—Systems
    • Y10T70/625—Operation and control
    • Y10T70/65—Central control

Definitions

  • the present invention relates to a vehicle door lock automobile, and in particular a door lock with electric locking / unlocking and opening control mechanical.
  • door locks for motor vehicles generally consist of three superimposed compartments: one first compartment containing the lock retention elements, namely in particular a bolt and a ratchet to block the bolt, a outlet being provided in the first compartment to allow the engagement of a door strike with the bolt of the lock; a second compartment containing the transmission mechanisms movement-for the opening and the condemnation / unlocking of the lock, with which the interior opening rods are associated and exterior, as well as the thresher of a barrel for a front lock; a third compartment containing an electric actuator for control the locking / unlocking of the lock, by acting on the mechanisms of the second compartment.
  • the motion transmission mechanisms contained in the second compartment are generally complex and use many parts, which increases the manufacturing cost and complicates mounting.
  • a first object of the invention is to propose a lock for motor vehicle door using a reduced number of parts, and whose assembly is simplified.
  • the front door locks in a motor vehicle must allow both opening and unlocking the lock, when the user acts on the handle door interior.
  • the rear door locks there is generally provision for a child condemnation body for block the rear door opening, thus preventing a child accidentally falls out of the vehicle while driving, if operates the interior door handle.
  • the rear doors are also fitted with a frieze zipper to condemn / unlock the rear door lock from inside the passenger compartment vehicle.
  • Antagonistic security constraints between the doors rear and front of a motor vehicle require the manufacture of two different types of lock, which increases the manufacturing cost.
  • a second object of the invention is to provide a lock for motor vehicle door that works just as well for a door before that back.
  • the third object of the invention is to provide a lock for motor vehicle door with locking control / electric unlocking, which allows the locks to be locked rear doors, in the absence of a frieze zipper.
  • the third lock compartment usually contains an electric actuator housed in its own housing which is inserted in slides on the case of the second compartment, as well as several parts ensuring the connection between the actuator and the pull tab frieze to order the means of locking / unlocking inside the second compartment, the entire third compartment being covered by an additional cover.
  • the fourth object of the invention is to provide a lock for door in which the connection between the actuator and the means of locking / unlocking inside the second compartment is simplified, the number of parts used in the third compartment is reduced and the mounting of the third compartment is simplified.
  • the invention firstly relates to a door lock motor vehicle, comprising a means of external locking / unlocking of the lock, and a electric actuator for controlling said means of exterior condemnation / unlocking, characterized in that said external locking / unlocking means is a wheel centralized conviction / unlocking with which to cooperate all means of command for locking / unlocking exterior of the lock, said wheel being adapted to be driven in rotation by the electric actuator.
  • the lock comprises a lock pawl blocking at rest a lock bolt in a position which is suitable for retaining a door strike in a position of door closed, an external opening rod able to move, under the action of an exterior door handle, in contact with a active portion of said pawl to move it in the retracted position releasing the bolt, which allows the opening of the door, said wheel cooperating with the outer opening link to move it, when of the rotation of said wheel, between a stable engaged position where the external opening rod comes into contact with said portion active pawl, during its door opening stroke, and a stable disengaged position where the external opening link does not come no longer in contact with the pawl, during its door opening stroke.
  • said wheel cooperates with a threshing lever which is able to move in rotation of said wheel, under the action of a thresher of a barrel of lock, to move the outer opening link between its disengaged and engaged positions.
  • the thresher attack lever is coupled to said wheel with freedom of movement in circular translation corresponding to the angular travel of said wheel under the action of the actuator, so that the unlocking movement / locking of the wheel by the electric actuator control does not interfere with the unlocking / sentencing movement of the wheel by the mechanical control of the barrel, the attack lever threshing machine having two positions of simple contact with said wheel, to move it either to its unlocked position when it is in its condemnation position, or towards its position of conviction when it is in its unlocked position.
  • connection between the threshing lever and said wheel can be formed by coupling a fork with a protruding nipple, the arms of said fork being spaced from one another by distance corresponding to the angular travel of the wheel under the action of the actuator.
  • the external opening link is coupled to the wheel, with freedom of movement in the direction of the opening stroke of said link, for example by just coupling between a fork and a protruding nipple.
  • the lock has an interior opening lever for moving a inner opening link, under the action of an inner handle door, in contact with an active portion of the pawl to move it in the retracted position, said cooperating interior opening lever, in its door opening stroke, with said wheel to drive it in rotation towards its unlocking position.
  • the bond between the interior opening lever and said wheel is formed by a single contact causing only the movement of said wheel towards its unlocking position, the return of the opening lever interior towards its rest position being carried out freely with respect to said wheel.
  • the door can be unlocked opposite the exterior, which is particularly advantageous for a door rear fitted with a child lock engaged.
  • the lever interior opening will act in a vacuum vis-à-vis the wheel.
  • the wheel has several studs perpendicularly projecting from its plane to cooperate with different means of controlling condemnation and / or exterior unlocking.
  • the actuator consists of a motor electric whose motor axis rotates a motor pinion which tangentially meshes with a gear wheel whose axis of rotation is perpendicular to the axis of the pinion and integral with the wheel above-mentioned central locking / unlocking.
  • the actuator is connected to a three-position switch that has an arm trigger switching between two stops positioned on the lever thresher attack to transmit information from locking / unlocking the actuator of another lock. So, if the user locks / unlocks the door lock before by inserting a key into the barrel, the actuators of others door locks will be informed by the switch of this lock / unlock command and act on their lock respective to place all locks in the same state.
  • the second object of the invention is a door lock for motor vehicle, comprising a lock pawl blocking the rests a lock bolt in a position where it is able to retain a door strike in a closed door position, and a link interior opening able to move, under the action of a handle door interior, in contact with an active portion of said pawl to move it into a retracted position releasing the bolt, which allows the door to be opened, characterized in that it comprises child locking means for moving said link between a stable, disengaged position where the link no longer comes into contact with the pawl, during its door opening stroke, and a position stable clutched where the link comes into contact with said portion active pawl, during its door opening stroke.
  • the child conviction means cooperates with the inner opening link to move it between the positions disengaged and engaged in a direction substantially perpendicular to the opening stroke of the link, so that the clutch link disengage movement does not interfere with its opening race.
  • the locking means child is a lever of child condemnation articulated around an axis on the housing, one end of the lever cooperating with the link, then that another end is accessible on the edge of the door.
  • the link between the child locking lever and the inner opening link is formed by the coupling a fork with a protruding nipple, the nipple being free to slide in the range in the direction of the opening stroke of the link.
  • the locking means Child has a child lock button rotatably mounted on the housing and accessible on the door edge, and an intermediate lever connecting the button to the inner opening link to move it between the disengaged and engaged positions when the button is rotated.
  • the connection between the intermediate lever and the link internal opening is formed, preferably, by the coupling of an oblong light with a protruding stud, said stud being free from slide in the light in the direction of the opening stroke of the link.
  • the lock comprises a link external opening able to move, under the action of a handle door exterior, in contact with an active portion of the pawl to move it to the retracted position, and a means of external locking / unlocking to move the link external opening between a disengaged position, in which the external opening link no longer comes into contact with the pawl during its door opening stroke, and a engaged position, in which the outer opening link comes into contact with said active portion of the pawl, during its door opening stroke.
  • the lock includes an opening lever inner intended to move the inner opening rod on its opening stroke, under the action of an interior door handle, said interior opening lever cooperating with said means of external conviction / unlocking for training, during the opening stroke by the interior opening lever, displacement of the outer opening link in its engaged position, the return of the interior opening lever to its rest position taking place freely vis-à-vis the means of conviction / exterior unlocking.
  • the lock comprises a return spring common to the two inner opening rods and outside to recall them to their rest position when they have been moved on their respective opening stroke, said spring common reminder being fixed at an intermediate point on the housing lock, one end of said common return spring cooperating with the inner opening link, while an opposite end of the common return spring cooperates with the opening link outside.
  • each link has two notches into which the respective end of the return spring can engage common, the engagement of the spring in each corresponding notch respectively in a disengaged or engaged position of the link, this which thus defines a common bi-stable return spring.
  • the third object of the invention is a door lock for motor vehicle, comprising a lock pawl blocking the rests a lock bolt in a position where it is able to retain a door strike in a closed door position, a link internal opening and an external opening rod suitable for move under the respective action of an interior door handle and an exterior door handle in contact with an active portion of said pawl to move it into a retracted position releasing the bolt, which allows the door to open, and an electric actuator to control the external locking / unlocking of the door, characterized in that it comprises a means of mechanical emergency lock to move the inner opening link so that a portion of it comes into contact with the outer opening link and moves it in a stable, disengaged position where the outer opening link no longer comes into contact with said active portion of the pawl, during its opening race.
  • This mechanical means of emergency condemnation is particularly interesting for a rear door lock, being given that at the front, the conviction can be carried out, even in the event of electrical failure, using the lock cylinder.
  • the two aforementioned links are arranged on either side of said active portion of the pawl, so that come into contact simultaneously or not with said active portion of the ratchet, without the respective opening races of the rods interfere with each other.
  • the lock comprises an accessible and mechanically controlled child locking device on the door edge, to move the interior opening rod between a stable disengaged position where the inner opening link no longer comes into contact with the pawl during its opening stroke door, and a stable engaged position where the opening link interior comes into contact with said active portion of the pawl, during its door opening stroke, said interior opening rod being able to be moved on an overtravel by means of child conviction which forms the means of emergency judgment cited above.
  • the child conviction means cooperates with the inner opening link to move it between the positions disengaged and engaged in a direction substantially perpendicular to the opening stroke of the opening link interior, so that the clutch / disengage movement of said rod does not interfere with its opening stroke.
  • the locking means child is a lever of child condemnation articulated around an axis on the housing, one end of the lever cooperating with the link interior opening, while another end is accessible on the door singing.
  • the link between the child locking lever and the inner opening link is formed by the coupling a fork with a protruding nipple, the nipple being free to slide in the range in the direction of the opening stroke of the interior opening link.
  • the locking means Child has a child lock button rotatably mounted on the housing and accessible on the door edge, and an intermediate lever connecting the button to the inner opening link to move it between the disengaged and engaged positions when the button is rotated.
  • the connection between the intermediate lever and the link internal opening is formed, preferably, by the coupling of an oblong light with a protruding stud, said stud being free from slide in the light in the direction of the opening stroke of the interior opening link.
  • the child condemnation rotary button includes an elastic reminder means to recall it in its rest position, when the child lock button has been moved on its overtravel.
  • the lock comprises a return spring common to the two inner opening rods and outside to recall them to their rest position when they have been moved on their respective opening stroke, said spring common reminder being fixed at an intermediate point on the housing lock, one end of said common return spring cooperating with the inner opening link, while an opposite end of the common return spring cooperates with the opening link outside.
  • each link has two notches into which the respective end of the return spring can engage common, the engagement of the spring in each corresponding notch respectively in a disengaged or engaged position of the link, this which thus defines a common bi-stable return spring.
  • the inner opening link comprises a ramp on which the corresponding end of the spring moves common reminder, when overtaking the locking device child, said ramp being arranged to define an unstable position of the inner opening link which is recalled towards one of its stable positions engaged or disengaged by said end corresponding to the reminder of the joint recall.
  • the opening link interior has a projection towards the opening link outside to come into contact with it when it has been moved under the action of the emergency locking device.
  • said projection is arranged so as not to come into contact with the outer opening link when moving the links between their respective disengaged and engaged positions.
  • the inner opening rod is moves, during the overtravel of the child locking device, beyond from its stable engaged position and remains in the engaged position during the entire overtravel.
  • the inner opening link moves, during the overtravel of the child locking device, beyond from its stable disengaged position and remains in the disengaged position during the entire overtravel.
  • the fourth object of the invention is a door lock for motor vehicle, comprising a cable or an opening rod interior, and an electric actuator to control the external locking / unlocking of the lock, characterized by the fact that it includes a cover in which is housed the actuator, a chimney being provided projecting from the cowling for the passage of the rod or the inner opening cable, in order to protect from possible picking through a glass gasket of the door.
  • the rollover comprises a fin external tilted down and away from the lock to deflect the flow of water from the door glass seal away from internal mechanisms of the lock.
  • the rollover comprises a tab for temporary stapling of an external opening rod, when mounting the lock on the door edge, said rod opening opening being connected at one end to a lever opening of the lock and wedged along its length between said provisional stapling tab and an edge of the deflecting fin.
  • the rollover comprises at a end housing for electrical connection pins of the actuator.
  • the actuator consists of a motor electric whose motor axis rotates a motor pinion which tangentially meshes with a gear wheel whose axis of rotation is perpendicular to the pinion axis and integral with a wheel centralized conviction / unlocking with which all cooperate the external locking / unlocking control means of the lock.
  • the actuator is connected to a three-position switch that has an arm trigger tilting between two stops positioned on a lever thresher attack to transmit conviction information / unlocking the actuator of another lock, when a threshing machine a lock barrel moves said threshing lever to control the locking / unlocking of the lock. So, if the user locks / unlocks the lock of a front door by inserting a key in the cylinder, the actuators of the other locks door switches will be informed by the switch of this conviction / unlocking and will act on their respective lock to place all locks in the same condition.
  • Compartment A is defined between a metal counterplate 1 which is intended to be placed on the edge door, and a first plastic case 2 which is mounted on the plywood 1.
  • Compartment A contains a fork bolt 3 which is articulated on a fixed axis 4 mounted perpendicularly on the plywood 1.
  • the bolt 3 is intended to cooperate with a pawl 5 which is articulated on a fixed axis 6 mounted perpendicularly on the plywood 1.
  • the pawl 5 is returned in contact with the bolt 3 by a return spring 7, in order to lock the bolt 3 in a position of closing to retain a door strike 8 (see Figure 7).
  • the bolt 3 is not locked in position by the pawl 5, and the opening of its fork is oriented towards the mouth of the outlet 9 to allow engagement / disengagement of the door strike 8 with the bolt 3.
  • a stop 10 for setting the door and re-centering in a vertical direction relative to the door strike 8.
  • a portion 10 a of the stop 10 is flush with the bottom 2 a of the case 2, at the outlet 9 (see FIG. 7), so that an elastic tab 11 of the bottom 2 a of the case 2 comes to cover said portion 10 a of the stop 10, to allow a smooth refocusing of the door opposite the striker 8.
  • the counter 1 comprises on its edge opposite the entrance of the hood 9, a tab 12 bent perpendicular to the counterplate 1 plane and having on its inner side facing the bolt 3 a projecting portion 12 has substantially V-shaped in section vertical transverse, obtained for example by stamping a portion of the plate 12.
  • This metal projecting portion 12 a is intended to serve as a bolt stop in the transverse direction, when it comes into contact with a thick overmolding 3 a formed on one of the branches of the bolt fork 3.
  • the door timing stop 10 does not include setting the strike plate in the transverse direction of the door, unlike some locks of the prior art.
  • the pawl 5 has at its end 5 a opposite with respect to its hinge pin 6, at its end in contact with the bolt 3, a tab coming from overmolding to dampen the tilting of the pawl 5, under the action of the spring 7 , towards the bolt 3 coming into abutment against a portion of the housing 2.
  • the pawl 5 further comprises a tab 13 bent in a plane perpendicular to the plane of the ply 1, to serve as the active portion of the pawl intended to be actuated by mechanisms located in the second compartment B for opening and locking / unlocking the lock.
  • Counterplate 1 has several cones of fixing holes 14 projections towards the inside of compartment A, for the passage of screws fixing on the door edge (not shown).
  • the second compartment B which contains the kinematics and movement transmission elements of the lock, with reference to Figures 1 and 4 to 6.
  • the second compartment B is defined between the bottom 2 a of the first housing 2 of the first compartment A and a second plastic housing 15 whose bottom 15 a serves as separation with the third compartment C.
  • FIG. 3 represents a lock of the prior art, in which only the axes 4 and 6 have been modified.
  • the axes 4 and 6 comprise at one end a shoulder 4, 6a which is intended to bear on the external face of the backing plate 1, the opposite end 4b, 6b of the axes being crimped onto the bottom 15 a of the second housing 15, which allows all of the parts of the lock to be mounted, starting from the counterplate 1, up to the third compartment, without having to turn the lock to crimp the pins at the two ends.
  • reference numbers 16 to 18 denote respectively a locking lever, an opening lever exterior and an intermediate lever of the lock of the prior art.
  • a wheel 20 is rotatably mounted on the bottom 2 a of the housing 2 around a drive axis 21 perpendicular to the plane of the bottom 2 a of the housing 2, the drive axis 21 crossing the bottom 15 a of the housing 15 to open into the third compartment C, as explained below.
  • the wheel 20 has on its face turned towards the bottom 2 a of the housing 2 two studs 20 a and 20 b and, on its face turned towards the bottom 15 a of the housing 15, a stud 20 c , said studs being perpendicularly projecting from in the plane of the wheel 20 and distributed over its periphery.
  • the stud 20 a is in contact with a curved lug 22 has an intermediate lever 22 generally known under the designation "over-ride".
  • This intermediate lever 22 is articulated on an axis 23 at one end of an interior opening lever 24.
  • the interior opening lever (LOI) 24 is articulated at a central point on a fixed axis 25 (see FIG. 8) on a substantially planar support flange 26 which extends in the longitudinal direction of the door and which is integral with the plywood 1 on the edge where the drain 9 opens.
  • LOI 24 is articulated on a rod or an inner opening cable 27 which extends in the longitudinal direction of the door and which is guided in this direction by a guide sleeve 28 carried by the support flange 26.
  • the cable or the interior opening rod 27 is intended to be connected to an interior door handle or pallet.
  • LOI 24 is arranged to pivot in the direction of arrow ⁇ in FIG. 8, when pulling on the cable or the inner opening rod 27 in the longitudinal direction indicated by arrow X, to translate in the direction vertical over a distance ⁇ the intermediate lever 22, so as to rotate the wheel 20 around the axis 21, by moving the stud 20 a by the curved portion 22 a of the intermediate lever 22.
  • the BOI 29 comprises an oblong opening 29 a in which engages, in a sliding manner, in the vertical direction a lug 30 projecting from the bottom 2 a of the housing 2, to guide and limit the displacement of the BOI 29.
  • the BOI 29 comprises a shoulder end portion 29 b which is intended to come into contact with the folded tab 13 forming the active portion of the pawl 5, as clearly visible in FIGS. 1 and 8.
  • the end opposite of the BOI 29 has a protruding stud 30 a which engages, in a sliding manner, in the vertical direction in an end fork 31 a of a child locking lever 31.
  • the child locking lever 31 is articulated at a central point about an axis 32 on a side wall of the housing 2 extending in the longitudinal direction of the door, so that the end 31 b of the lever 31, opposite with respect to the axis 32 to the fork 31 a , is accessible on the door edge to allow its operation from the outside.
  • the BOI 29 moves in the direction of the arrow ⁇ , the direction ⁇ being defined between the fixed axis 30 and the protruding lug 30 a of the rod 29. Under the action of the pivoting of the child locking lever 31 on the axis 32, in the direction of arrow ⁇ in FIG. 4B, BOI 29 rocks in the direction of arrow ⁇ in FIG. 4 around the fixed axis 30.
  • Compartment B further comprises an external opening lever (LOE) 33 which is articulated in its center on a fixed axis 34 secured to the lock housing.
  • LOE external opening lever
  • One end 33 a of the LOE 33 protrudes from the housing 15 of the second compartment B in the transverse direction of the gate, for hooking, in an articulated manner on a curved end of an outer opening rod 35, shown in phantom lines in Figure 12.
  • a bent lug 33b intended to come into abutment against a rigid housing 36 two stop for limiting the angular movement of the LOE 33 counterclockwise.
  • the end of the LOE 33, opposite its externally projecting end 33 a , is articulated on an axis 37 to a central portion of an external opening link (BOE) 38.
  • the BOE 38 has at one end a fork 38 a in which engages the protruding stud 20 b of the wheel 20, the fork 38 a being located between the wheel 20 and the bottom 2 a of the housing 2.
  • the opposite end of the BOE 38 has a shoulder portion 38 b which is intended to come into contact with the active portion 13 of the pawl 5 and to push it into the retracted position, as explained below.
  • the LOE 33 pivots on its fixed axis 34 in the direction of the arrow ⁇ ', which has the effect of displacing in translation, in a substantially vertical direction, the BOE 38 over a distance indicated by the arrow ⁇ 'in FIG. 4.
  • the fork 38 a of the BOE 38 allows the sliding in the direction ⁇ ' of the BOE 38 relative to the stud 20 b of the wheel 20.
  • the compartment B of the lock comprises, in addition, a lever driving thresher (LAB) 40, one end portion 40 protrudes outside of the lock housing and shaped folded fork in the direction longitudinally of the door to cooperate with an eccentric pin 41 has a harvester 41 of a lock cylinder (see Figure 4A).
  • the LAB 40 is articulated at an intermediate point on a fixed axis 42 on the bottom 15 a of the housing 15.
  • the opposite end 40 b of the LAB 40 relative to the axis 42 has a fork shape cooperating with the protruding stud 20 c of the wheel 20, on the side opposite to the stud 20 b , so that the LAB 40 does not interfere with the BOE 38.
  • the LAB 40 pivots in the direction of the double arrow ⁇ ' so that one of the branches of the fork 40 b cooperates with the stud 20 c of the wheel 20.
  • the branches of the yoke 40 b are angularly spaced so as to allow freedom of circular translation of the pin 20c in the direction of the double arrow ⁇ 'when the wheel 20 is rotated by the drive shaft 21 or by the lever intermediate 22.
  • the LAB 40 can be removed or left in place, stationary, in the absence of a thresher 41.
  • compartment B there is provided on the bottom 2 a of the housing 2 a housing 43 for an open door detection sensor (not shown).
  • the housing 45 comprises two notches 45 a , 45 b spaced by a small hill 45 c to define two stable positions of the link 29 in the direction of the arrow ⁇ .
  • the end 44 b of the spring 44 is located in the notch 45 a furthest from the fixed point 44 a , to define a stable engaged position of the link 29 with the active portion 13 of the pawl 5.
  • the housing 46 of the BOE 38 also includes two similar notches to define two stable engaged and disengaged positions of the rod 38 relative to the pawl 5, during the pivoting of the BOE 38 in the direction of the arrow ⁇ ''.
  • the housing 45 of the BOI 29 differs from the housing 46 of the BOE 38, in that this housing 45 comprises a ramp 47 extending from the notch 45 a at a distance from the fixed point 44 a of the spring 44, to define a unstable position of the link 29, when the latter is moved in an overtravel of the child-locking lever 31.
  • the position of unstable end 44 b of the spring 44 is illustrated in phantom in Figure 6A, the end 44 b coming to bear on the ramp 47. This unstable position of the link 29 is also illustrated in FIG. 6.
  • FIG. 9 shows an alternative embodiment of the child lock in compartment B.
  • the child lock lever 31 is replaced here by a child lock button 131 (shown in broken lines) accessible on the door edge, this button 131 being integral with an eccentric portion 131 a which is articulated on an intermediate lever 132 comprising a central oblong slot 132 a in which slides an axis 133 fixed relative to the bottom 2 a of the housing 2, the opposite end of the lever intermediate 132 comprising a stud 132 b which engages in a sliding manner in an oblong opening 134 formed on the stepped terminal portion 29 b of the BOI 29, to authorize the opening stroke of the BOI 29.
  • the BOI 29 In the position illustrated on the Figure 9, the BOI 29 is in its disengaged position, that is to say in the locked inner child position.
  • the disengaged position of the rod 29 corresponds to an inclined position P1 of the child lock knob 131, with the fixed shaft 133 which is located at one end of the oblong slot 132 of the intermediate lever 132.
  • To switch to the unlocked position, with BOI 29 in the engaged position it suffices to turn the knob 131 in the direction of the arrow ⁇ ", towards an intermediate position P2 in which the fixed axis 133 is located halfway in the oblong lumen 132 a .
  • a return spring 135 can be provided to return the rotary button 131 from position P3 to position P2 .
  • the actuator comprises a reversible electric motor 50 having two tabs 51 and 52 whose respective ends 51a, 52a are bent in the longitudinal direction of the door and act as connecting pins with the power supply of the vehicle battery .
  • the pins 51 a and 52 a are located in a housing 53 formed in a cowling 54 which defines with the bottom 15 a of the housing 15 the compartment C.
  • This housing 53 is also suitable for receiving a connection terminal block 55, as illustrated in the figure 11.
  • the electric motor 50 has, on the side opposite the tabs 51 and 52 an externally projecting motor shaft 56 which is integral a drive pinion 57, the latter tangentially meshing with a gear wheel 58 which is integral and coaxial with the shaft 21 which extends perpendicular to the drive shaft 56.
  • compartment C can contain, in addition, a three-position switch 60, which switch comprising a trigger arm 61 shown in broken lines, which is intended to switch on either side of its central equilibrium position under the action of two stop pins 62, 63 located on LAB 40, when it is tilted by the thresher 41 of the barrel.
  • a three-position switch 60 which switch comprising a trigger arm 61 shown in broken lines, which is intended to switch on either side of its central equilibrium position under the action of two stop pins 62, 63 located on LAB 40, when it is tilted by the thresher 41 of the barrel.
  • respective unlocking information or condemnation is transmitted, via terminal block 55, to other vehicle door locks.
  • terminal block 55 which replaces pins 51 a and 51 b in figures 10 and 12, the power supply terminals of electric motor 50 are indicated at 55 a and 55 b , at 55 c , the positive terminal of the switch 60 and 55 d and 55 e , the respective terminals for output of the locking and unlocking signal to the other locks.
  • the cover 54 has a shape of a parallelepedic box which is closed by the bottom 15 a of the housing 15. It has been indicated in 54 a and 54 b , respectively two slots and a stapling tab of the cover 54 with the housing 15.
  • a hollow chimney 65 intended to protect the rod or the opening cable inner 27 of any hooking attempt from the outside, since this inner opening rod or cable 27 allows the outer opening link 38 to be unlocked, by means of the intermediate lever 22.
  • a tab 66 for the temporary stapling of the opening rod outer 35.
  • This same wall of the cowling 54 is extended by direction of the second compartment B of the lock and ends with a tab 67 curved outward in a plane substantially parallel to the plane of the bottom of the cowling 54.
  • a deflecting fin 68 extends between said longitudinal wall of the cowling and the curved tab 67, in a direction inclined downwards and outwards from the lock, to guide the flow of water from the window seal door remote from the lock.
  • the user can lock / unlock the lock, either with an electronic box remote control to activate the electric motor 50 which drives rotation of the wheel 20, either with a key by acting on the barrel of lock which causes the thresher attack lever to pivot 40 driving the wheel 20 in rotation.
  • the unlock signal received by the actuator electric can be emitted by electronic recognition, not shown, part of a system known per se "of access to hands-free vehicle "not requiring the use of a key or remote control to unlock the lock.
  • the recognition electronics is equipped with a radio transmitter and is designed to be able to communicate with a radio device incorporated into a watch, or card, or badge, worn by the user. The recognition electronics do not produce its signal unlocking only after identification of the correct owner.
  • the lock is locked vis-à-vis the outside because the BOE 38 is in the disengaged position relative to the active portion 13 of the pawl 5.
  • the pin 20 b causes the BOE 38 to tilt in the direction ⁇ '' over a reduced stroke, until the stepped portion 38 b of the BOE 38 is in the engaged position with the active portion 13 of the pawl 5.
  • the pin 20 c moves between the branches of the fork 40 b of the LAB 40, without moving the latter, and the pin 20 a moves away from the curved portion 22 a of the lever 22.
  • the threshing machine 41 of the barrel rotates the LAB 40 anti-clockwise, which causes the pin 20 c to move by one of the branches of the fork 40 b and therefore the rotation of the wheel 20 which simultaneously causes, via the pin 20 b , the pivoting of the BOE 38 in its unlocked engaged position. If the lock was already in an unlocked state, LAB 40 would act in a vacuum, because the pin 20 c would have already been moved clockwise.
  • the user can open the door by acting on the exterior handle of door, which causes, through the opening rod 35, tilting the LOE 33 clockwise, and therefore the rise in the direction of the arrow ⁇ 'of the BOE 38 which thus raises the active portion 13 of the pawl 5, and releases the latch 3 which swings automatically in the position illustrated in Figure 2, under the effect of the compression force of the door seal, the door strike 8 being, somehow ejected from the drain 9.
  • the user will have tilted the child locking lever 31 in the position of FIG. 5, for reasons of safety vis-à-vis children. To this end, it may push the end 31 b of the child lock lever that is accessible on the door edge.
  • the BOI 29 In the position of FIG. 5, the BOI 29 is in a disengaged position with respect to the pawl, so that a child acting on the interior door handle cannot cause the door to open. Indeed, although no organ blocks the movement of LOI 24 or BOI 29, the latter will move in a vacuum next to the active portion 13 of the pawl 5.
  • the child will simultaneously unlock the lock from the outside, thanks to the intermediate lever 22 which rotates clockwise the wheel 20, by acting on the pin 20 a , which allows a outside person to open the rear door.
  • the intermediate lever 22 will act in a vacuum because the pin 20 will have already turned the necessary race.

Landscapes

  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Lock And Its Accessories (AREA)
EP99400830A 1998-04-30 1999-04-06 Kraftfahrzeugtürschloss Ceased EP0953701A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9805492 1998-04-30
FR9805492A FR2778196B1 (fr) 1998-04-30 1998-04-30 Serrure de porte de vehicule automobile

Publications (1)

Publication Number Publication Date
EP0953701A1 true EP0953701A1 (de) 1999-11-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99400830A Ceased EP0953701A1 (de) 1998-04-30 1999-04-06 Kraftfahrzeugtürschloss

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US (1) US6148651A (de)
EP (1) EP0953701A1 (de)
BR (1) BR9901290A (de)
FR (1) FR2778196B1 (de)

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Also Published As

Publication number Publication date
FR2778196B1 (fr) 2000-06-23
US6148651A (en) 2000-11-21
BR9901290A (pt) 1999-12-28
FR2778196A1 (fr) 1999-11-05

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