EP0269508B1 - Motorisierte Schliessvorrichtung, insbesondere für Kofferraum oder Heckklappe eines Fahrzeuges - Google Patents

Motorisierte Schliessvorrichtung, insbesondere für Kofferraum oder Heckklappe eines Fahrzeuges Download PDF

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Publication number
EP0269508B1
EP0269508B1 EP19870402537 EP87402537A EP0269508B1 EP 0269508 B1 EP0269508 B1 EP 0269508B1 EP 19870402537 EP19870402537 EP 19870402537 EP 87402537 A EP87402537 A EP 87402537A EP 0269508 B1 EP0269508 B1 EP 0269508B1
Authority
EP
European Patent Office
Prior art keywords
latch
accordance
spring
block
motor system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19870402537
Other languages
English (en)
French (fr)
Other versions
EP0269508A1 (de
Inventor
Joel Girard
Christian Wattebled
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.)
Assa Abloy France SAS
Original Assignee
Vachette SA
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 Vachette SA filed Critical Vachette SA
Publication of EP0269508A1 publication Critical patent/EP0269508A1/de
Application granted granted Critical
Publication of EP0269508B1 publication Critical patent/EP0269508B1/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
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32—Details of the actuator transmission
    • E05B81/46—Clutches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • 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
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • E05B81/21—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening with means preventing or detecting pinching of objects or body parts
    • 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
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • E05B81/22—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening by movement of the striker
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/232—Actuation thereof by automatically acting means
    • E05Y2201/236—Actuation thereof by automatically acting means using force or torque
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/3013—Electronic control of motors during manual wing operation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/548—Trunk lids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor

Definitions

  • the invention relates to a closure device for releasably securing a movable element and a fixed element; it particularly finds its application for closing a trunk of a motor vehicle.
  • the trunk closing devices of a motor vehicle generally consist of a bolt member which is fixed on the fixed part of the trunk, that is to say on the body of the motor vehicle and of a member strike carried by the boot lid.
  • the striker body very often has the shape of a U and enters the opening provided for this purpose of the bolt member.
  • the user is required to slam the cover on the trunk so that the striker penetrates sufficiently into the bolt member to cause the locking of the bolt and, consequently, the locking of the closure.
  • To seal the trunk all around the hood there is generally a seal, which is compressed when the hood is slammed to ensure its locking.
  • such a device has a drawback due to the fact that, if the boot lid strikes a hard obstacle, the closing force exerted by the engine system causes the boot cover or the closing device to deteriorate; in addition, if the obstacle interposed between the hood and the boot at the time of closing is a part of a human body for example, the hand of the user or the hand of a child, the use of the automatic device driven by a motor system may cause serious injury.
  • FR-A-2 516 149 a device for separating between a leaf with an oscillating movement from a transmission pinion of a mechanism driven by a motive force which makes it possible to decouple the oscillating movement of the leaves, motive force when a force exerted on the leaves exceeds a determined value.
  • the present invention aims to provide a closure device of the type defined above, which is actuated by a motor system but which, however, does not have the drawbacks mentioned above.
  • the closing stroke which is ensured by the action of the engine system, is divided into an approach stroke and a final stroke.
  • the approach run begins when the strike is engaged in the bolt member and ends when the hood is close enough to the trunk so that there is no risk of inserting an element of human body or rigid element between the hood and the boot; the final stroke begins at the end of the approach stroke and ends when the seal is compressed enough for the locking of the closure to have occurred.
  • the motor system is disengageable as soon as the closing resistance exceeds a predetermined threshold; this results in a complete impossibility of accident during this approach race.
  • the motor system can exert its action either on the strike itself, or on the bolt member, it being understood that the driving action only intervenes from the moment when the strike is engaged manually by the user in the bolt member, which can be easily detected by a micro-contact.
  • the present invention therefore has as its object a closure device for releasably securing a movable element and a fixed element, one of said elements carrying a bolt member and the other a keeper member capable of cooperating with said organ-bolt to ensure the joining of the two aforementioned elements with one another, one of the bodies- (bolt or strike) being associated with at least one motor system controlling the joining and / or decoupling of two aforementioned elements, when the striker member has previously been engaged in the bolt member, characterized in that, in an approach stroke, the member (bolt or striker) associated with motor system is disengageable with respect to said system thanks to a declutching device, which is triggered as soon as a resistance greater than a threshold is manifested during the closing movement leading to the joining of the fixed and mobile elements with each other, while, in the final closing stroke, said declutching device is inhibited.
  • the disengaging device of the closure device is interposed between a driving block moved by the motor system and an operating block which controls the operation of that of the organs (-latch and strike ), which is associated with the engine system.
  • the movable element carries the strike member and the fixed element carries the bolt member;
  • the movable element can be a hatch box key connected to said box by a hinge, in particular a motor vehicle cover, and the fixed element may be constituted by the body of said box, in particular the body of said motor vehicle.
  • the device according to the invention comprises a single motor system constituted by an electric motor associated with transmission means.
  • the motor system is associated with the strike member.
  • the transmission means comprise a gear train driven by an electric motor, the output wheel of said train driving a helical screw which ensures the displacement of the driving block; the helical screw is integral with the output wheel and driven by it in rotation, the drive unit having a threaded bore and moving in translation in a housing as well as the operating block associated therewith.
  • the helical screw cooperates with a threaded bore formed along the axis of the output wheel of the gear train and it is locked in rotation relative to the casing of the device to move in translation by report to said casing, said screw comprising a head which constitutes the driving block, at least one movable pusher carried by the operating block coming to bear on the driving block under the action of a spring to constitute on the one hand, the connection mechanical between the drive unit and the operating unit and, on the other hand, the declutching device when the head of the screw escapes the pusher by compression of its associated spring.
  • the driving and maneuvering blocks are in contact according to an interface allowing relative sliding and that the declutching device is constituted by a ball pushed by a spring to partially cross said interface , the disengagement being obtained when the ball compresses its associated spring to come into a position where the interface is tangent to it under the effect of a resistant force applied to the operating block; inhibition of the declutching device can be obtained by implementing a key interposed between the drive unit and the operating unit; this keying can be obtained by means of a sliding piston, the head of which rests on a guide secured to the casing, while the end of the rod of said piston serves as a stop for a sliding pusher held in abutment on it by a spring, the bearing surface between the pusher and the rod being merged with the interface between the driving block and the operating block during the approach stroke, while due to the shape of the guide, the pusher partially crosses said interface as soon as the final closing race begins.
  • the disengagement of the declutching device can be obtained, at the end of the approach stroke, by blocking the pusher (s) in their position d support on the driving block by means of a blocking piece carried by the casing, said blocking part being connected to the casing by at least one spring and moving with the driving and maneuvering blocks during the final stroke;
  • the device preferably comprises at least two pivoting pushers, regularly arranged around the axis of the helical screw and the blocking part is then a ring arranged in line with the ends of the pushbutton, which are opposite their pivot axes.
  • the motor system is associated with the bolt member.
  • the transmission means may comprise a cable, one end of which is fixed to a plate driven by the motor system and the other end of which is fixed to a slider, said slider constituting the driving block and being subjected to the action of a return spring which keeps the cable in tension, the motor system comprising a fixed stop device which allows only one rotation of one turn of the plate to cause a return trip of the slide.
  • the declutching and inhibiting declutching devices can advantageously be strictly the same as those which were provided for the first embodiment of the first variant defined above, namely a ball declutching device and an inhibition of this device by keying.
  • the operating block can control a lever, which pivots on a fixed axis of the casing and said lever being in abutment on a stud engaged in a pivoting bolt, which can block the keeper and be locked by a closing pawl, the said bolt being subjected to a return spring and the movement of the said lever controlling the pivoting of the bolt in the closing direction, the stud being able to slide relative to the pivoting bolt to escape the support of the lever, in the event that said lever has not finished its return stroke due to a failure of the engine system, to allow the device to be opened; the release of the stud relative to the lever can be obtained by a guide ramp on which the stud is held in abutment by a spring, said ramp being mov
  • the sheet metal of the hood of a motor vehicle boot is designated by 1.
  • This sheet 1 carries, in the direction of the interior of the trunk, a keeper 2, which has the shape of a U, the core 2a of which is intended to be introduced into a bolt member (not shown) carried by the fixed part of the trunk of the vehicle, that is to say the body of said vehicle.
  • the bolt member is a conventional bolt housing comprising an opening mechanism, the bolt passing through the keeper 2 in the free zone located between the core 2a and the web 2b, which occupies the upper part of the space between the two branches of the U formed by the keeper 2.
  • These two branches are fixed by their free ends to an operating block designated by 3 as a whole.
  • the operating block 3 is disposed inside a casing 4, which contains the mechanism of the striker member; the operating block 3 can move in translation in the casing 4, its guidance being provided by slides 5 parallel to the arms of the keeper 2.
  • the arms of the keeper 2 are substantially vertical .
  • the operating block 3 is associated with a driving block 6 also subject to moving in translation inside the casing 4 by sliding in slides 7 parallel to the slides 5.
  • the driving block 6 has, in its central zone, a bore threaded, which cooperates with a helical screw 8 rotated by the output wheel 9 of a gear train, which has a double pinion 10 cooperating on one of its wheels with the wheel 9 and on its other wheel, with a input pinion 11 driven by an electric motor 12 via a worm gear and tangent wheel, the details of which are not shown in the drawing.
  • the assembly 8-9-10-11 constitutes a reducing gear train making it possible, from a relatively low power electric motor, to obtain a large force for the displacement of the drive unit 6.
  • the casing 4 contains all the elements of this gear train and receives at its upper part the sub-assembly constituted by the electric motor 12 accompanied by its output reduction gear (screw / tangent wheel).
  • the housing 4 carries, of course, the bearings for fixing the various pinions of the gear train as well as the journal bearings 13 and 14 arranged at the two ends of the helical screw 8.
  • the driving block 6 and the operating block 3 are in contact along a flat interface parallel to the slides 5 and 7. Between these two blocks are arranged, on the one hand, a declutching device and, on the other hand, a keying device making it possible to inhibit the above-mentioned disengagement.
  • the declutching device consists of a ball 15 pushed by a spring 16 against the driving block 6, said driving block comprising an imprint in the form of a spherical cap 19 to receive the ball 15.
  • the ball 15 and its spring 16 are housed in a bore 17 provided inside an operating block 3 and the compression exerted by the spring 16 on the ball 15 is adjusted by means of a threaded plug 18 which is screws more or less inside the bore 17.
  • FIG. 1 shows the elements of the keeper in the position at the start of the approach stroke, that is to say in the position it occupies, when the keeper 2 has been engaged manually in the housing bolt and the strike is thus retained by the bolt without the trunk being closed.
  • a microswitch placed in the bolt housing makes it possible to identify the movement of the bolt when the strike passes and then controls the supply of the motor 12.
  • the motor 12 drives the screw 8, which causes the translation upwards of the block driver 6, which drives by the declutching device 15, 16 the operating block 3.
  • this training continues throughout the approach stroke, as long as a resistance greater than the predetermined threshold does not manifest. Otherwise, the declutching device plays its role and the translation of the operating block 3 is stopped: this position is shown in FIG. 3. In this way, during the entire approach stroke, it is impossible to have a closing incident or an accident due to the interposition of a human body element between the hood and the fixed wall of the boot.
  • the driving block 6 arrives with the operating block 3 in the position corresponding to the end of the approach stroke.
  • the driving block 6 contains, in a bore perpendicular to the plane of the interface between the blocks 3 and 6, a sliding piston 20, which is subjected to the action of a spring 21 bearing on the bottom of the bore and pushing the head of the piston 20 against a guide ramp 22 carried by the casing 4 of the device.
  • the piston 20 comprises, on the side which is opposite its head, a cylindrical tail sliding in a bore of smaller diameter than that which contains the head of the piston.
  • the operating block 3 also includes a bore of the same diameter as that which contains the tail of the piston 20, said bore containing a pusher 23 which is pushed, in the direction of the interface between the blocks 3 and 6, by a spring 24 housed at the bottom of the bore.
  • the pusher 23 has the same diameter as the tail of the piston 20 and it is therefore capable of engaging in the bore, which contains the tail of the piston 20.
  • the guide ramp 22 keeps the head of the piston 20 in a position such that the support plane of the pusher 23 on the tail of the piston 20 is coincident with the plane of the interface between blocks 3 and 6.
  • the guide ramp 22 allows the piston 20 to move in its bore under the action of spring 21, so that the pusher 23, under the action of the spring 24, enters the bore, which contains the tail of the piston 20.
  • the pusher 23 therefore constitutes a keying between the blocks 3 and 6, which inhibits the declutching device 15, 16.
  • the operating block 3 necessarily follows the translation of the driving block 6; all the power of the motor 12 is therefore used to pull the keeper 2, which brings the hood closer to the body since the distance between the sheet 1 and the fixed bolt box carried by the body is reduced.
  • All the power of the engine 12 therefore allows the compression of the trunk seals until one reaches the end of the final stroke, which is shown in Figure 4; in this case, the drive unit comes to bear on a stop 25 which, by a micro-contact, controls the stopping of the supply of the motor 12.
  • the closing stroke of the device according to the invention has thus been divided into an approach stroke, where the automatic drive is disengageable, and a final stroke, where the automatic drive is not disengageable. and ensures, with all the necessary power, the compression of the trunk seals.
  • the trunk is opened by supplying the motor 12 in the opposite direction, which causes the reverse movement of the keeper 2 relative to the hood; after which, all that remains is to maneuver the bolt member in a conventional manner.
  • the time for actuating the keeper 2 for closing or opening is 2.5 seconds; the motor 12 is supplied with direct current at 9 volts and the closing force exerted on the keeper 2 is 50 daN.
  • the total closing stroke is 20 mm and the approach stroke is 10 mm; declutching takes place during the approach stroke if the resisting force is greater than 16 daN.
  • Figures 5 to 10 show a second embodiment of the first variant of the invention.
  • the elements similar to those which were described for the first embodiment bear the same reference numbers increased by 100.
  • an electric motor 112 drives a keeper 102 to cause it to move relative to the sheet metal 101 d '' a motor vehicle boot lid.
  • the keeper 102 has the shape of a U, as in the first embodiment, and it cooperates with a mechanical bolt housing of conventional type in the same way as described for the embodiment of FIGS. 1 to 4.
  • a micro-switch controls the supply of the motor 112 to cause the movement of the strike upwards 102 and, consequently, the displacement of the movable cover towards the fixed part of the boot.
  • the closing stroke is divided into two parts, an approach stroke in which the strike of the strike 102 is disengageable and a final stroke in which the disengaging device is inhibited.
  • the motor 112 drives by means of a system (screws 112s! Tangent wheel 112b), a gear train constituted by a pinion 110, which drives the output wheel 109 of the gear train.
  • the tangent wheel 11 2b and the pinion 110 are keyed on the same axis.
  • the output wheel 109 rests on a bearing 113 carried by the casing 104 of the device. According to its axis, the output wheel 109 has a threaded bore 151, which cooperates with a helical screw 108 having a flat 150.
  • the helical screw 108 slides in an orifice, the shape of which corresponds to its cross section, said orifice being formed in a plate 152 carried by the casing 104 and disposed above the output wheel 109.
  • the wheel 109 When the wheel 109 is rotated, the position of its median plane is fixed relative to the casing 104; the helical screw 108 being locked in rotation by the cooperation of its flat 150 with the corresponding edge of the orifice formed in the plate 152, the rotation of the wheel 109 causes the screw 108 to translate relative to the casing 104.
  • a head 106 which constitutes the driving block of the device.
  • the head 106 has at its lower part an O-ring, which cooperates with two movable pushers 153 carried by an operating block 103 on which the keeper 102 is fixed.
  • the operating block 103 can move in translation in the casing 104 thanks to two slides 105 parallel to the axis of the screw 108.
  • the pushers 153 can each pivot about an axis 154 carried by the operating block 103 and they are pushed symmetrically on either side of the screw head, which constitutes the driving device 106, by springs 155.
  • Each pusher 153 comprises, facing the driving device 106, a boss.
  • the two pushers 153 When the driving unit 106 and the operating unit 103 are in the low position, that is to say at the start of the approach stroke, the two pushers 153 have their bosses bearing on the head of the screw 108 just at above the O-ring that said head carries at its lower part; it follows that, if the screw 108 is moved upward in FIG. 5, the pushers 153 ensure the transmission of the translational movement upwards by catching above the bead, which constitutes the O-ring . The screw 108 can thus cause the upward translation of the operating block 103 and the keeper 102.
  • This drive is only maintained insofar as the resistive force exerted on the keeper 102 does not exceed a predetermined threshold; beyond this threshold, the force exerted by the driving unit 106 on the bosses of the pushers 153 is sufficient to cause the crushing of the springs 155 and, consequently, the pivoting of the pushers 153 around their axes 154, which allows the separation of the driving block 106 with respect to the operating block 103.
  • This situation is shown in FIG. 7 and corresponds to the disengagement of the striker drive system 102 in the event that the force resisting closing is greater than the fixed threshold.
  • This threshold is adjusted by the precompression of the springs 155, precompression which is obtained by threaded plugs 156, which can be screwed more or less in the bores, which contain the springs 155 and which are practiced in the operating block 103.
  • a spring 157 is interposed between the operating block 103 and the driving block 106, so that, if the user slaps the cover too suddenly to engage the keeper 102 in the bolt box carried by the body, the spring 157 collects the 'excess energy by compressing without there being any risk of shock at the end of the screw 108, which would be likely to deteriorate the thread of said screw. This compression of the spring 157 is shown in FIG. 10. It should be noted that the spring 157 also protects against impacts both the strike 102 and the bolt of the associated lock.
  • the general shape of the operating block 103 is a cylindrical shape with the exception of two diametrically opposite ears, which penetrate the slides 105.
  • the pushers 153 are arranged in a central bore 158 provided at the upper part of this operating block 103
  • the operating block 103 moves, inside the casing 104, in a cylindrical housing in the middle zone of which there is a cylindrical ring 123 connected to the casing 104 by helical springs 124, the axis of which is substantially parallel to the axis of the screw 108; the springs 124 are regularly distributed over the ring 123, the ring 123 is therefore placed in line with the operating block 103 and can, by compression of the springs 124, move in the cylindrical housing provided for the passage of the operating block 103
  • the central opening, which has the ring 123 has dimensions which allow the ring to take up position around the heads of the pushers 153.
  • the device according to the invention makes it possible, in an approach stroke, to have a disengageable drive of the strike 102 and, in a final stroke, to transmit all the mighty that of the engine 112 on the strike 102 to ensure the closing of the trunk.
  • the motor which controls the closure device according to the invention is not associated with the keeper as in the two previous embodiments, but with the bolt member. It follows that the keeper carried by the boot lid is a simple U fixed to the lower part of said hood and brought manually into a position of engagement inside the bolt member.
  • the elements, which are similar to those of the embodiment in FIGS. 1 to 4, have been designated by the same reference numbers increased by 200.
  • the motor system which is associated with the bolt member, is an electric motor 212 connected, by means of a screw reducer and tangent wheel (not shown), to a plate 250 at the periphery of which is located projecting a fixing stud 251.
  • the plate 250 is located inside the casing 253, which contains the reduction gear associated with the motor 212, and it is surmounted by a protective plate 252.
  • the fixing stud 251 moves from a circular movement around the axis of the plate 250; a passage 254 is provided in the casing 253 to allow the passage towards the outside of a cable 255, the end of which is hooked on the fixing stud 251, the passage 254 being covered by the plate 252.
  • the motor 212 is associated with a fixed stop device (not shown), which allows rotation of one turn of the plate 250 and which stops the supply of the motor as soon as the rotation of the plate 250 has been carried out over 360 ° .
  • the cable 255 therefore undergoes, for each revolution of the plate 250, a round-trip translation whose amplitude is equal to the diameter of the plate 250.
  • the cable 255 is connected to a driving device 206, which is a slide capable of moving in translation inside a sheath 256. According to the axis of the slide 206, a bore was made inside which is engaged an operating block 203.
  • the mechanical connection between the operating block 203 and the driving block 206 is ensured by a ball 215 arranged at the interface between the blocks 203 and 206; when the operating block 203 is fully engaged inside the driving block 206, the ball 215, which is pushed by a spring 216 placed in a bore of the operating block 203, is opposite a bore of corresponding diameter made in the wall of the driving block 206, which delimits the housing where the operating block 203.
  • This bore contains a spacer 257, which keeps the ball 215 in a position where it is engaged on less half its volume inside the bore where the spacer 257 is located.
  • the ball 215 constitutes a mechanical connection system between the blocks 203 and 206, but it is a disengageable connection since, if the resistive force exerted on the operating block 203 exceeds a predetermined threshold, the spring 216 is compressed and allows the ball 215 to fully enter the bore where the spring 216 is located, which separates the operating block 203 vis-à-vis the driving block 206; this state of the device is shown in FIG. 13.
  • a guide ramp 222 is provided inside the sheath 256.
  • This guide ramp cooperates with a pusher 220, placed in a bore in the wall of the driving block 206, which delimits the housing of the operating block 203
  • the pusher 220 is opposite a pusher 223 of the same diameter; the pusher 223 is disposed inside a bore provided for this purpose inside the operating block 203, the pusher 223 being pushed by a spring 224 towards the interface between the blocks 203 and 206.
  • the slide which constitutes the driving block 206
  • the guide ramp 222 maintains the bearing surface of the pushers 220 and 223 in coincidence with the interface existing between the blocks 203 and 206. If the slide, which constitutes the driving block 206, moves CI inside the sheath 256, the pusher 220 arrives at a point on the ramp 222, where it is allowed to move inside its bore under the thrust exerted by the spring 224.
  • the pusher 223 crosses the interface between the blocks 203 and 206, which constitutes a keying coming to inhibit the declutching device 215, 216: this position is shown in FIG. 14.
  • the moment when the ramp 222 allows the movement of the pusher 220 corresponds to the end of the approach stroke and to the start of the final stroke .
  • the operating block 203 is extended by a rod 203a around which is disposed a helical spring 262, which is compressed between the head of said rod 203a and the closure plate 261 of the sleeve 256.
  • This spring 262 keeps the tension constantly cable 255.
  • the rod 203a controls the bolt member of the device according to this variant of the invention.
  • the bolt member is shown in Figures 11, 14 and 16 in three different positions, only the mechanical elements being shown in the drawing, the housing of the bolt housing not being shown for clarity.
  • the keeper 202 carried by the boot lid comes, in a manual engagement movement, to rest on the lower branch 263a of a fork-shaped bolt designated by 263 as a whole.
  • the bolt 263 is capable of pivoting about a fixed axis 264; it comprises, at its end opposite to its pivot axis, a fork constituted by a lower branch 263a and an upper branch 263b, the branch 263a being longer than the branch 263b.
  • the bolt 263 comprises, on a part of its border which surrounds the axis 264, a cutout in the form of gear teeth, which cooperates with a corresponding cutout made on a latch bolt 265.
  • the latch bolt 265 pivots around 'a fixed axis 266 and, in its zone opposite to its pivot axis, it comprises a single tooth 265a.
  • said bolt is slightly driven in a movement pivoting about its axis 264, which controls a micro-contact which triggers the supply of the motor 212.
  • the motor 212 will cause the bolt 263 to pivot, which, by means of its gear teeth, causes the bolt 265 to pivot in the opposite direction, so that the core of the strike 202 is positioned at the bottom of the fork 263a, 263b and is blocked there by the single tooth 265a of the latch 265: this position is shown in FIGS. 14 and 16.
  • the tooth 263a of the bolt 263 snaps under the spoiler 267a of a pawl 267 capable of pivoting about a fixed axis 268.
  • the pawl 267 is subjected to the action of a return spring 269 and it carries, at its end opposite to its pivot axis 268, an axis 270 on which is articulated a link 271.
  • the link 271 carries, at its end opposite to the axis 270, a guide ramp 272, which is fixed to it by screws 273 and which delimits, between it and the link 271, a tunnel 274.
  • the link 271 has an oblong recess 275, which is crossed by a stud 276, the head 276a of which is held in abutment on the guide ramp 272 by a spring 277 interposed between said head 276a and the link 271.
  • the stud 276 passes through a bore the bolt 263 and protrudes from the side of the bolt, where the link 271 is not located.
  • the lever 278 is disposed along the face of the bolt 263, or the link is not located 271.
  • the lever 278 comes to bear against the projecting end of the stud 276 and it is located on the side of this stud, where the sheath 256 is not located.
  • An electrical control device may fail. If this fault occurs before the closing position, closing can be obtained manually, in which case, the stud 276 slides in the oblong opening 275, all the closing force having to be exerted by the user, of course. on the keeper 202 to produce a sufficient crushing of the seals, so that the branch 263a comes to hang under the spoiler 267a.
  • the opening can be obtained by exerting a force F on the axis 270 as indicated in FIG. 16. In doing so, on the one hand, releases the tooth 263a from the blocking effected by the pawl 267 and, on the other hand, the connecting rod 271 is made to slide relative to the stud 276, which is blocked by the lever 278, the rear return of which has not been obtained.
  • this second variant of the invention makes it possible to control the bolt member by means of an electric motor disengageably during the approach stroke by means of the declutching device 215-216 and non-disengageable during the final stroke thanks to the keying device 220-223-224, which inhibits the declutching device.

Landscapes

  • Superstructure Of Vehicle (AREA)
  • Lock And Its Accessories (AREA)

Claims (19)

1. Schließvorrichtung zur lösbaren Festlegung eines beweglichen Elements (1, 10) und eines ortsfesten Elements, wobei eines der Elemente eine Riegeleinrichtung und das andere eine Schließhakeneinrichtung trägt, die imstande ist, mit der Riegeleinrichtung zur Gewährleistung der Festlegung der beiden genannten Elemente aneinander zusammenzuwirken, wobei die eine der Einrichtungen (Riegeleinrichtung oder Schließhakeneinrichtung) wenigstens einem Antriebssystem (12, 112, 212) zugeordnet ist, welches die Festlegung und/oder das Lösen der beiden genannten Elemente steuert, wenn sie Schließhakeneinrichtung vorher dazu gebracht worden ist, sich in die Riegeleinrichtung einzuhaken, dadurch gekennzeichnet, daß auf einer Annäherungsbahn die dem Antriebssystem zugeordnete Einrichtung (Riegeleinrichtung oder Schließhakeneinrichtung) bezüglich dieses Systems aufgrund einer Ausrückeinrichtung (15, 16; 153, 155; 215, 216) ausrückbar ist, die ausgelöst wird, sobald sich im Lauf der Schließbewegung, welche zur Festlegung des ortsfesten und des beweglichen Elements aneinander führt, ein Widerstand zeigt, der größer als eine Schwelle ist, während die Ausrückeinrichtung im Endabschnitt des Schließens gehemmt ist.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Ausrückeinrichtung (15, 16; 153, 155; 215, 216) zwischen einem Mitnahmeblock (6, 106, 206), der von dem Antriebssystem (12, 112, 212) verschoben wird, und einem Betätigungsblock (3, 103, 203) angeordnet ist, der die Arbeitsweise derjenigen Einrichtung (Riegeleinrichtung und Schließhakeneinrichtung) steuert, die dem Antriebssystem zugeordnet ist.
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das bewegliche Element (1, 101) die Schließhakeneinrichtung (2, 102) und das ortsfeste Element die Riegeleinrichtung trägt.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das bewegliche Element (1, 101) ein Behälterdeckel, der mit dem Behälter durch ein Scharnier verbunden ist, insbesondere ein Kofferraumdeckel eines Kraftfahrzeugs ist, und daß das ortsfeste Element von dem Körper des Behälters insbesondere der Karosserie des Kraftfahrzeugs, gebildet wird.
5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sie ein einziges Antriebssystem aufweist, das von einem Elektromotor (12,112,212) gebildet wird, der Transmissionseinrichtungen zugeordnet ist.
6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß das Antriebssystem (12, 112) der Schließhakeneinrichtung zugeordnet ist.
7. Vorirchtung nach den Ansprüchen 2 und 6 zusammengenommen, dadurch gekennzeichnet, daß die Transmissionseinrichtungen einen Zahnradzug (9, 10, 11; 109, 110) aufweisen, der von dem Elektromotor (12; 112) angetrieben wird, wobei das Abtriebsrad (9, 109) des Zahnradzugs eine Wendelschraube (8, 108) ist, welche die Verschiebung des Mitnahmeblocks (6, 106) gewährleistet.
8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Wendelschraube (8) an dem Abtriebsrad (9) befestigt ist und von diesem in Drehung versetzt wird, wobei der Mitnahmeblock (6) eine Gewindebohrung hat und sich translativ in einem Gehäuse (4) ebenso wie der Betätigungsbiock (3) verschiebt, der ihm zugeordnet ist.
9. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Wendelschraube (108) mit einer Gewindebohrung zusammenwirkt, die längs der Achse des Abtriebsrads (109) ausgeführt und an einer Drehung bezüglich des Gehäuses (101) der Vorrichtung gehindert ist, um sich translativ bezüglich des Gehäuses zu verschieben, wobei die Schraube (108) einen Kopf (106), der den Mitnahmeblock bildet, und wenigstens ein bewegliches Druckstück (153) aufweist, das von dem Betätigungsblock (103) getragen wird, der an dem Mitnahmeblock (106) unter der Wirkung einer Feder (155) zum Anliegen kommt, um einerseits die mechanische Verbindung zwischen dem Mitnahmeblock (106) und dem Betätigungsblock (103) und andererseits die Ausrückeinrichtung zu bilden, während der Kopf der Schraube (108) durch Zusammedrücken der zugeordneten Feder (155) dem Druckstück bzw. den Druckstücken (153) entweicht.
10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Hemmung der Ausrückeinrichtung (153, 154) am Ende der Annäherungsbahn durch Sperrung des Druckstücks oder der Druckstücke (153) in ihrer Anlagestellung an den Mitnahmeblock (106) mit Hilfe eines Sperrstücks (123) erreicht wird, das von dem Gehäuse (101) getragen wird, wobei das Sperrstück mit dem Gehäuse durch wenigstens eine Feder (124) verbunden ist und sich mit dem Mitnahmeblock (106) und dem Betätigungsblock (103) während der abschließenden Bahn verschiebt.
11. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß sie wenigstens zwei schwenkbare Druckstücke (103) aufweist, die gleichmäßig um die Achse der Wendelschraube (108) angeordnet sind, und daß das Sperrstück ein Ring (123) ist, der an der Stelle der Druckstückenden angeordnet ist, die ihren Schwenkachsen (154) gegenüberliegen.
12. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß das Antriebssystem (212) der Riegeleinrichtung zugeordnet ist.
13. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, daß die Transmissionseinrichtungen ein Kabel (255) aufweisen, dessen eine Ende an einer von dem Antriebssystem (212) mitgenommenen Platte (225) befestigt ist und dessen anderes Ende an einem Gleitstück (206) befestigt ist, das den Mitnahmeblock bildet und der Wirkung einer Rückstellfeder (262) unterworfen ist, die das Kabel (255) unter Zug hält, wobei das Antriebsystem eine ortsfeste Arretiereinrichtung aufweist, die nur eine Drehung der Platte (250) um eine Umdrehung zuläßt, um einen Vorlauf und Rücklauf des Gleitstücks (206) herbeizuführen.
14. Vorrichtung nach einem der Ansprüche 8 oder 13, dadurch gekennzeichnet, daß der Mitnahmeblock (6, 206) und der Betätigungsblock (3, 203) in Kontakt längs einer Trennfläche stehen, der ein relatives Gleiten zuläßt, und daß die Ausrückeinrichtung von einer Kugel (15, 215) gebildet wird, die für ein teilweises Traversieren der Trennfläche durch eine Feder (16, 216) geschoben wird, wobei die Ausrückung erreicht wird, wenn die Kugel (15, 215) ihre zugeordnete Feder (16, 216) zusammendrückt, um in eine Stellung kommen, in der die Trennfläche unter der Wirkung einer auf den Betätigungblock (3, 203) ausgeübten Widerstandskraft für sie berührend ist.
15. Vorrichtung nach einem der Ansprüche 8 oder 13, dadurch gekennzeichnet, daß die Hemmung der Ausrückeinrichtung durch Aktivierung einer Verkeilung erreicht wird, die zwischen dem Mitnahmeblock (6, 206) und dem Betätigungsblock (3, 203) angeordnet ist.
16. Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, daß die Verkeilung infolge eines Gleitkolbens (20, 220) erreicht wird, dessen Kopf an einer gehäusefesten Führung (22, 222) anliegt, während das Ende der Stange des Kolbens (20, 220) als Anschlag für ein Gleitdruckstück (23, 223) dient, das durch eine Feder (24, 224) daran anliegend gehalten ist, wobei die Andrückfläche zwischen dem Druckstück (23, 223) und der Stange mit der Trennfläche zwischen dem Mitnahmeblock (6, 206) und dem Betätigungsblock (3, 203) während der Annäherungsbahn verbunden ist, während aufgrund der Form der Führung (22, 222) das Druckstück (23, 223) die Trennfläche teilweise traversiert, sobald der Abschlußabschnitt des Schließens beginnt.
17. Vorrichtung nach einem der Ansprüche 13 bis 16, dadurch gekennzeichnet, daß der Betätigungsblock (203) einen Hebel (278) steuert, der um einem Zapfen ortsfeste Achse (264) des Gehäuses verschwenkbar ist und an einem Zapfen (276) anliegt, der in einen Schwenkriegel (263) eingreift, der die Schließhakeineinrichtung (202) sperren und durch eine Klinke (267) in der Schließstellung verriegelt werden kann, wobei der Riegel (263) einer Rückholfeder (279) unterliegt und die Bewegung des Hebels (278) das Verschwenken des Riegels (263) in Schließrichtung steuert und der Zapfen (276) bezüglich des Schwenkriegels (263) gleitend verschiebbar ist, um dem Anliegen des Hebels (278) in dem Fall auszuweichen, in welchem der Hebel seinen Rücklauf aufgrund einer Störung des Antriebssystems (212) nicht beendet haben würde, um das Öffnen der Vorrichtung zu ermöglichen.
18. Vorrichtung nach Anspruch 17, dadurch gekennzeichnet, daß die Eingriffslösung des Zapfens (276) bezüglich des Hebels (278) durch eine Führungsrampe (272) erreicht wird, an welcher der Zapfen (276) durch eine Feder (277) anliegend gehalten wird und die bezüglich des Schwenkriegels (263) beweglich sowie mit der Verriegelungsklinke (267) verbunden ist.
19. Vorrichtung nach Anspruch 18, dadurch gekennzeichnet, daß die Riegeleinrichtung einerseits von dem Schwenkriegel (263), der von dem Hebel (278) betätigt wird, und andererseits von einem Gegenschwenkriegel (265) gebildet wird, der von dem Riegel (263) infolge eines Zahnrads betätigt wird, wobei der Riegel (263) ein gegabeltes Ende aufweist, das den Schließhaken (202) aufnimmt und von dem Gegenriegel (265) in der Schließstellung verschlossen ist.
EP19870402537 1986-11-13 1987-11-10 Motorisierte Schliessvorrichtung, insbesondere für Kofferraum oder Heckklappe eines Fahrzeuges Expired - Lifetime EP0269508B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8615726 1986-11-13
FR8615726A FR2606823B1 (fr) 1986-11-13 1986-11-13 Dispositif de fermeture motorise, notamment pour coffre ou hayon de vehicule automobile

Publications (2)

Publication Number Publication Date
EP0269508A1 EP0269508A1 (de) 1988-06-01
EP0269508B1 true EP0269508B1 (de) 1990-07-18

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EP19870402537 Expired - Lifetime EP0269508B1 (de) 1986-11-13 1987-11-10 Motorisierte Schliessvorrichtung, insbesondere für Kofferraum oder Heckklappe eines Fahrzeuges

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US (1) US4889371A (de)
EP (1) EP0269508B1 (de)
DE (1) DE3763807D1 (de)
FR (1) FR2606823B1 (de)

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DE19533193A1 (de) * 1995-09-08 1997-03-13 Kiekert Ag Verfahren zum Betrieb eines Kraftfahrzeugverschlusses mit ortsfestem Anschlagelement für ein Abtriebselement
US6422615B1 (en) * 1998-07-20 2002-07-23 Mannesmann Vdo Ag Closure device with shutting aid
DK173866B1 (da) * 1999-08-13 2002-01-14 Vkr Holding As Elektrisk operatorenhed til vinduer
JP3876207B2 (ja) * 2002-09-06 2007-01-31 三井金属鉱業株式会社 扉体のクローザ装置
DE10361843A1 (de) * 2003-12-30 2005-07-28 Brose Schließsysteme GmbH & Co.KG Schließkeil-Antriebsbaugruppe für ein Kraftfahrzeug-Türschloß
FR2896818B1 (fr) * 2006-02-02 2008-04-18 Valeo Securite Habitacle Sas Dispositif antipincement pour serrure a assistant de fermeture electrique
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DE102008062641A1 (de) * 2008-12-17 2010-06-24 Daimler Ag Verfahren zur Steuerung eines Schließvorgangs eines Fahrzeugflügels und korrespondierendes Fahrzeugschließsystem
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Also Published As

Publication number Publication date
FR2606823A1 (fr) 1988-05-20
US4889371A (en) 1989-12-26
DE3763807D1 (de) 1990-08-23
FR2606823B1 (fr) 1989-02-17
EP0269508A1 (de) 1988-06-01

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