EP3620599A1 - Dispositif de couplage pour poignee de porte de vehicule - Google Patents

Dispositif de couplage pour poignee de porte de vehicule Download PDF

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Publication number
EP3620599A1
EP3620599A1 EP18192779.9A EP18192779A EP3620599A1 EP 3620599 A1 EP3620599 A1 EP 3620599A1 EP 18192779 A EP18192779 A EP 18192779A EP 3620599 A1 EP3620599 A1 EP 3620599A1
Authority
EP
European Patent Office
Prior art keywords
lever
push
cam
coupling device
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18192779.9A
Other languages
German (de)
English (en)
Other versions
EP3620599B1 (fr
Inventor
Andreas Winter
Lukas Kaliebe
Régis Grenouillat
Anton Linder
Konstantin Pavlov
Emmanuel Bollinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minebea AccessSolutions Deutschland GmbH
Original Assignee
U Shin Deutschland Zugangssysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by U Shin Deutschland Zugangssysteme GmbH filed Critical U Shin Deutschland Zugangssysteme GmbH
Priority to EP18192779.9A priority Critical patent/EP3620599B1/fr
Priority to CN201980057620.XA priority patent/CN112639240B/zh
Priority to PCT/EP2019/073057 priority patent/WO2020048858A1/fr
Publication of EP3620599A1 publication Critical patent/EP3620599A1/fr
Application granted granted Critical
Publication of EP3620599B1 publication Critical patent/EP3620599B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • E05B85/107—Pop-out handles, e.g. sliding outwardly before rotation
    • 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
    • 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
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • E05B85/103—Handles creating a completely closed wing surface

Definitions

  • the present invention concerns a vehicle door handle assembly, in particular with a flushing door handle lever.
  • vehicle door handle assembly comprises a motorized actuator which, when actuated, moves the handle lever between a flush position and a ready position.
  • the handle lever In the flush position, the handle lever is flush i.e. co-planar with the exterior surface of the door body.
  • the handle lever In the ready position, the handle lever is protruding from said exterior surface, to be graspable by a user.
  • the door handle lever interacts (via a Bowden cable, a rotating pin and/or a gear mechanism) with a latch mechanism to unlatch the door.
  • a handle lever spring brings the handle lever back in its ready position when the user releases the handle lever. It is also possible for the motorized actuator to move the handle lever from the ready position back to the flush position after door opening or door closing however, this is however mostly performed by a return spring mechanism.
  • the use of a motorized actuator is nevertheless not compulsory for flush door handles, those can be non-motorized concepts.
  • the patent application US 2016290018 is known, it deals with a system including a component that can be mounted movably in or on an automobile and an actuating apparatus for the component, the actuating apparatus having a push-push mechanism that interacts with the component. It is possible for the component to be moved out of a closed position by manual exertion of a pressing force counter to the pre-stress of a spring into an unlocked position to unlock the push-push mechanism, out of which unlocked position the component is moved into a partially open position driven by the pre-stress of the spring. Eventually, out of the partially open position the component can be displaced into an open position by manual exertion of a pulling force.
  • the push-push mechanism in this disclosure has to overcome the actuation mechanism with the gearing system integrated leading to stability issues and premature wearing.
  • the motorized actuator sets the handle lever in motion via a reduction mechanism, for example a worm drive and gear mechanism, which reduces the rotational speed of the motor actuation while increasing torque value to push the handle lever out into its ready position.
  • a reduction mechanism for example a worm drive and gear mechanism
  • Such door handle assemblies i.e. motorized one, also comprise a back-up mechanism, as in document US 2016369537 disclosing a handle including an activation member for activating a latch of a vehicle door to unlatch the door and a grip member that cooperates with the activation member to unlatch the door.
  • the grip member presents a gripping part and is movable between a flushing position in which the gripping part extends flush to an external panel of the door, an active position in which the gripping part projects with respect to the external panel, becoming graspable, and an opening position in which the grip member drives the activation member to unlatch the door.
  • the handle presents a driving mechanism and an actuator lever cooperating with the grip member to drive the latter between the flushing and the active position. When the grip member is pulled in an opening direction, the grip member drives the activation member that unlatches the door.
  • this mechanism comprises a push-push mechanism, in which the user pushes the handle lever inwards from its flushing position until reaching a clicking position in which a preloaded spring is released. Said preloaded spring, when released, pushes the handle lever from the inward clicking position to the outward protruding ready position.
  • the invention deals with an actuator integrated coupling device for a vehicle door handle, the door handle having a handle lever movable between:
  • the actuator integrated coupling device is characterized in that the motorized actuator comprises an electric motor coupled with a worm drive, said worm driving being coupled with a reduction mechanism to set in rotation the shaft of the cam when the electric motor rotates. This improves the motor efficiency.
  • the actuator integrated coupling device is such that the first lever comprises elastic return means, for example a torsion spring or a double torsion spring, to push said first lever back to its flush position once the handle lever has reached ready position.
  • elastic return means for example a torsion spring or a double torsion spring
  • the actuator integrated coupling device is characterized in that the transmission mechanism further comprises:
  • the actuator integrated coupling device can be such that the first lever is rotatable about a first lever axis parallel to the cam axis, and is directly coupled to the handle lever so that the cam, the first lever and the handle lever form a kinematics assembly whose deformation is able to displace the handle lever in rotation.
  • the rotation extraction of the door handle lever is an alternative to the translation extraction.
  • the actuator integrated coupling device is characterized in that the connecting rod is made of a central rod having, at its two ends, two arms forming each a right angle with the central rod.
  • Such coupling allows better movement transmission between the push-push unit and the first lever.
  • the actuator integrated coupling device according to the invention is characterized in that the two arms of the connecting rod are parallel.
  • the actuator integrated coupling device is characterized in that the first lever comprises at least one arm, said arm having a slotted hole for the coupling with the connecting rod.
  • the slotted hole gives a degree of freedom needed to pull the handle lever further from the ready position to unlatch it. Without said degree of freedom, the fully extended push-push unit would not allow further pulling for door unlatching.
  • the actuator integrated coupling device is characterized in that the push-push unit is also coupled, at its end opposite to the one coupled to the connecting rod, to a resetting lever system displaceable by the cam so as to push the push-push unit back to its pre-stressed state and pull the first lever, to bring the door handle lever back to its initial flush position.
  • the main advantage here is that on one hand the push-push unit can be activated and/or deactivated both mechanically and electronically via a motorized actuator.
  • the resetting lever system preferably comprises:
  • the actuator integrated coupling device is characterized in that the cam has at least one radial arm for displacing the second end and comprising a chamfer and in that the cam lever second end comprises an oblique surface complementary to the chamfer so that during motorized actuation to reset the push-push unit, the cam is able to rotate, then longitudinally displace the second end before deflecting said second end by following the oblique surface. This allows the motorized cam rotation in a single clockwise direction to reset the push-push unit in its initial pre-stressed state.
  • the actuator integrated coupling device is characterized in that the rotatable coupling about the axis between the cam lever first end and the connecting lever second radial arms comprises a return spring to bias the cam lever second end towards its initial position after deflection.
  • an adjustment screw that allows regulating the push-push system pre-stress manually (cf. fig. 6 ).
  • the invention is about a coupling device for a flush door handle to be operated in emergency or other cases.
  • the current invention separates the actuator and the push-push system in order to avoid moving the internal parts of the actuator in case of an electrical failure. Furthermore, the system allows the actuator to deactivate the push-push system to retract the door handle.
  • Figure 1 shows a perspective view of a vehicle Ve, its door panel 100 having a built-in door handle 1.
  • the door panel 100 forms an exterior surface of the vehicle, the door handle 1 is essentially represented by its handle lever 3 (the part meant to be grasped and set in motion by a user).
  • the handle lever 3 is in a flushing position.
  • said flushing position the outer surface of the handle lever 3 is flush with the door panel 100.
  • Said flush position is obtained when the vehicle is rolling or when it is parked.
  • the handle lever 3 is less likely, when parked, to interact with by passers, accidentally or not, and air drag is reduced when driving, improving aerodynamics.
  • the handle lever 3 also appears integrated in the door panel 100 in a pleasant and discrete way.
  • the user can push the lever 3 inwards with respect to the door panel 100, by applying inwards directed pressure Pon the handle lever 3.
  • the handle lever 3 is then in a position herein called clicking position, where a mechanical interaction releases a spring of a push-push unit that drives the lever 3 in ready position without actuation of a motor.
  • the figure 2 shows a coupling device according to the invention.
  • the first lever 6 comprises two arms 61 and 62 on both sides of the median plane of said first lever 6, said median plane being perpendicular to the cam 4 rotation axis A6.
  • a double torsion spring lies on the first lever rotation axis A6 to bring the first lever 6 back to flush position from ready position.
  • One of the two arms 62 has a slotted hole 62a coupled to the connecting rod 2 ( fig. 4 and 5 ). In figure 2 , such connection is made through an arm 21 of the connecting rod 2.
  • the connecting rod 2 has two parallel arms 21 and 23 linked by a central rod 22 perpendicular with both arms 21 and 23.
  • the push-push unit 9 depicted in figure 2 is able to displace the arm 23-hence the connecting rod 2- longitudinally along an axis (90).
  • This push-push unit 9 can be pre-stressed by the connecting rod 2 or by a resetting lever system 10.
  • the resetting system of figure 2 comprises:
  • cam lever 101 has two degrees of freedom, it is able to rotate about axis 111 and to translate longitudinally.
  • the rotation axis 110 ( fig. 4 ) of the connecting lever 106 and the rotation axis 111 of the cam lever 101 are parallel and both perpendicular to the cam rotation axis 42.
  • the cam 4 (also in fig. 3 and 4 ) comprises two radial arms 4a and 4b and rotates about the axis 42.
  • the radial arms 4a and 4b extend perpendicularly to the cam rotation axis 42. It should be noted that a cam with a single arm (4a, 4b) is another preferred alternative that would also provide the same effect.
  • the cam 4 can both rotate the first lever 6 and translate the central portion 101a of the cam lever 101.
  • the cam 4 also comprises a chamfer 41 ( fig.3 ) and lateral surface 40.
  • the chamfer 41 makes the link between the lateral surface 40 of the cam 4 and the lower surface-parallel to the rotation plane of the cam 4. Said rotation plane being perpendicular to the rotation axis 42 of the cam 4.
  • the actuator 8 comprises a motor and gearing system (both not represented) to drive in rotation the cam 4.
  • the push-push unit 9 comprises a cylinder shaped sleeve 96 inside which a push-push driver 91 is housed in an axially displaceable manner along an axis 90 ( fig.2 ) while being projectable through a sleeve aperture out of the sleeve 96.
  • the sleeve 96 cannot rotate since an outer protrusion 96a is housed in a corresponding groove of the push-push unit housing H ( fig. 5 ) to guarantee axial displacement only.
  • the push-push unit 9 comprises two springs 93a and 93b, co-axial with the sleeve 96 (not represented in figure 6 for clarity), pre-stressing the push-push driver 91 to project from the sleeve 96. More specifically, the small spring 93a biases a rotatable ring 95 towards the push-push driver 91. The main spring 93b biases the push-push driver 91 towards its outer aperture via its radial flange 91b to push the handle lever 3-via first lever 6-from retracted to ready position. Both small and main springs 93a and 93b rest on the radial flange 94c of the guiding rod 94 ( fig. 5 and 7 ).
  • the push-push unit 9 further comprises a rotatable ring 95 enclosing the guiding rod 94 and supported in the sleeve 96 in an axially and rotationally displaceable manner.
  • said rotatable ring 95 has at least one protrusion towards the inner circumference of said ring 95 being able to engage the guiding rod radial grooves 94a ( fig. 5 and 7 ) so that the ring 95 retains its angular position when the guiding rod 94 is axially displaced.
  • the figure 7 shows again the guiding rod 94 of a preferred embodiment of the invention, co-axial with the axis 90 ( fig.2 ), with radial grooves 94a running parallel to the axis 90 and the radial flange 94c able to act as a rest for the spring 93a and 93b.
  • the guiding rod 94 has locking recesses 94b placed radially between the entries of the grooves 94a.
  • These locking recesses can receive at least one protrusion at the inner circumference of the ring 95 once the push-push driver 91 is released by the handle lever 3 after a first inward stroke by a user. Then the springs 93a and 93b push back the rotated ring 95 in the locking recess 94b leading to a locked position.
  • An outer radial protrusion 94d is associated with the guiding rod 94 flange to fit in the corresponding groove of the push-push unit housing H to guarantee axial displacement only.
  • the guiding rod 94 further comprises, radially between the grooves 94a, locking recesses as first deflection faces running obliquely to the sleeve axis 90.
  • the rotatable ring 95 comprises, along its outer circumference, locking recesses as second deflection faces running obliquely to the sleeve axis 90.
  • the first and second deflection faces being circumferentially offset so as to rotate the ring 95 through a predetermined angle when the guiding rod 94 or push-push driver 91 is axially displaced by a pre-determined stroke and said guiding rod 94 and push-push driver 91 come into contact through the offset deflections faces.
  • the inner protrusion 95a at the inner circumference of the ring 95 pops into the locking recess 94b and slides through the first deflection face running obliquely to the sleeve axis. This is the push-push unit locked position.
  • the handle lever 3 is pushed inwards. Then, the ring 95 rotates and the springs 93a and 93b drive the inner protrusion 95a at the inner circumference of the ring 95 out of the locking recess 94b to the deflection face leading to the grooves 94a for a full excursion to push the door handle lever 3 out.
  • FIG 8 a to c showing the same handle from different angles, respectively perspective, top and rear views.
  • said mechanism of handle movement comprises a second lever 7 connected by two articulated connection 801,802 to linking rods 81,82 and mounted in an articulated manner on parallel rotation axis A6, A7 carried by the handle.
  • This double linking rod system brings stability.
  • the two linking rods 81 and 82 are symmetrical with respect to a median plane extending in a longitudinal direction of the handle; said plane is perpendicular to the first and second lever rotation axis A6 and A7.
  • Each of the linking rods 81 and 82 has oblong holes 811 close to the articulated connection 801 and 802 extending parallel to the linking rods.
  • Figure 9 shows a rear view of a door handle according to the invention with a Bowden cable C able to act on said unlatching lever Co.
  • the door handle bracket B is also represented.
  • the figure 10 is an exploded view showing more clearly the Bowden cable V, the first and second rotations axis A6 and A7 and their associated first and second levers 6 and 7.
  • the figures 11 and 12 represent the door handle 1 respectively in flush position-that is when the handle lever 3 is co-planar with the door 100- and in ready position when the door handle lever 3 pops out of the door 100 to be grasped by a user willing to unlatch the door and open it.
  • On the left is a rear view and on the right, it is the corresponding front view.
  • Figures 13 and 14 are respectively rear and front views-from left to right-of a door handle 1 according to the invention in ready position.
  • the figure 13 shows a door handle a ready position after extraction.
  • Figure 14 first figure on the left, is the initial position of the connecting rod 2 (see fig. 8 for larger view). Then in figure 14 , second figure on the middle, the handle lever is being pushed as depicted on the picture on the right. In this case, we see a longitudinal displacement towards the right hand side pre-stressing the push-push unit 9 and more precisely, the springs 93a and 93b.
  • the sequence is as follows: The user pushes the handle lever 3. Since it is linked to the first lever 6, it creates a rotation about the first axis A6 of the first lever 6. Such rotation displaces the connecting rod 2 since they are linked by the slotted hole 811.
  • the arm 23 transmits to the connecting rod 2 the displacement, thus pushing the push-push unit 9 to pre-stress it as can be seen in the second figure in the middle of fig. 14 .
  • the push-push unit is pre-stressed, if a user pushes it from flush position, the rotatable ring 95 rotates and then slides through the grooves 94a as explained above to push the handle 3 from flush to ready position.
  • FIG 15 where the right hand drawing shows a door handle lever 3 in ready position.
  • Such situation occurs naturally when the user locks the car and works away.
  • it may also occur, for instance, when the battery was empty during car park leaving the handle lever 3 in ready position and then reloads once the problem has been solved and the engine runs because the user is driving the car.
  • the handle lever must be flush after a certain car speed.
  • the cam 4 keeps rotating clockwise and its chamfer 41 follows the oblique surface 101d of the cam lever 101. This deflects the cam lever 101 downwards allowing the cam 4 to go back to initial position. After deflection of the cam lever 101, a spring 102 biases back said cam lever 101 to its initial position in the same plane as the rotation plane of the cam 4.
  • the coupling device according to the invention can be used for flush door handles extracting either rotationally or translatively as explained.
  • the coupling device can be adapted to fit any door requiring a flush type handle mechanism.
  • a notable advantage of the push-push unit 9 according to the invention is that on one hand it can be activated and deactivated mechanically from one side and on the other hand it can be activated and deactivated electronically-via the motorized actuator 8- from the other side. Therefore, if the push-push unit is activated manually to put the handle lever 3 in ready position, it can afterwards be reinitialized in a motorized way, i.e. set back in flush position electronically.

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  • Lock And Its Accessories (AREA)
EP18192779.9A 2018-09-05 2018-09-05 Dispositif de couplage pour poignée affleurante de porte de véhicule Active EP3620599B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18192779.9A EP3620599B1 (fr) 2018-09-05 2018-09-05 Dispositif de couplage pour poignée affleurante de porte de véhicule
CN201980057620.XA CN112639240B (zh) 2018-09-05 2019-08-29 用于车辆的嵌装式门把手组件的联接装置
PCT/EP2019/073057 WO2020048858A1 (fr) 2018-09-05 2019-08-29 Dispositif de couplage pour ensemble poignée aligné de portière de véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18192779.9A EP3620599B1 (fr) 2018-09-05 2018-09-05 Dispositif de couplage pour poignée affleurante de porte de véhicule

Publications (2)

Publication Number Publication Date
EP3620599A1 true EP3620599A1 (fr) 2020-03-11
EP3620599B1 EP3620599B1 (fr) 2021-01-27

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EP18192779.9A Active EP3620599B1 (fr) 2018-09-05 2018-09-05 Dispositif de couplage pour poignée affleurante de porte de véhicule

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EP (1) EP3620599B1 (fr)
CN (1) CN112639240B (fr)
WO (1) WO2020048858A1 (fr)

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
FR3090719B1 (fr) * 2018-12-20 2021-01-22 Mgi Coutier Espana Commande d’ouverture à remontage mécanique.
KR20220091751A (ko) * 2020-12-24 2022-07-01 현대자동차주식회사 출몰형 아웃사이드 도어 핸들 조립체
DE102022128362A1 (de) * 2021-11-01 2023-05-04 Illinois Tool Works Inc. Türgriffanordnung
CN116201423A (zh) * 2021-11-30 2023-06-02 比亚迪股份有限公司 车门外把手、车门总成和车辆
FR3132121B1 (fr) * 2022-01-24 2024-05-03 Akwel Vigo Spain Sl Dispositif de commande d’ouverture extérieure
FR3132120A1 (fr) 2022-01-24 2023-07-28 Akwel Vigo Spain Sl Mécanisme d’éjection mécanique de poignée
FR3135740A1 (fr) 2022-05-23 2023-11-24 Akwel Vigo Spain Sl Dispositif de commande d’ouverture simplifiée.
CN115506662A (zh) * 2022-08-10 2022-12-23 一汽奔腾轿车有限公司 一种智能控制隐藏门拉手手柄收回装置及方法
CN115387682B (zh) * 2022-10-27 2023-01-24 宁波华翔汽车饰件有限公司 一种平出式隐藏把手及车辆

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US20110174102A1 (en) 2008-11-19 2011-07-21 Itw Automotive Products Gmbh Actuation means for a rotatably supported flap in an automobile comprising a push-push kinematics
WO2015074020A1 (fr) * 2013-11-18 2015-05-21 Illinois Tool Works Inc. Système constitué d'une poignée de porte et d'un dispositif d'actionnement de la poignée de porte
US20160290018A1 (en) 2013-11-18 2016-10-06 Illinois Tool Works Inc. System comprising a component and an actuating apparatus for the component
US20160369537A1 (en) 2015-06-16 2016-12-22 U-Shin Italia S.P.A Handle for a vehicle door

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US3264024A (en) * 1964-02-14 1966-08-02 Ford Motor Co Door latch mechanism
CN107130864B (zh) * 2017-06-05 2023-12-01 麦格纳汽车系统（苏州）有限公司 中控锁电动锁止解锁机构
CN107558830B (zh) * 2017-10-12 2022-07-26 宁波拓尔精工机械有限公司 电吸锁

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Publication number Priority date Publication date Assignee Title
US20110174102A1 (en) 2008-11-19 2011-07-21 Itw Automotive Products Gmbh Actuation means for a rotatably supported flap in an automobile comprising a push-push kinematics
WO2015074020A1 (fr) * 2013-11-18 2015-05-21 Illinois Tool Works Inc. Système constitué d'une poignée de porte et d'un dispositif d'actionnement de la poignée de porte
US20160290018A1 (en) 2013-11-18 2016-10-06 Illinois Tool Works Inc. System comprising a component and an actuating apparatus for the component
US20160369537A1 (en) 2015-06-16 2016-12-22 U-Shin Italia S.P.A Handle for a vehicle door

Also Published As

Publication number Publication date
CN112639240B (zh) 2022-03-01
EP3620599B1 (fr) 2021-01-27
WO2020048858A1 (fr) 2020-03-12
CN112639240A (zh) 2021-04-09

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