EP1759076A1 - Dispositif d'assistance a l'ouverture/fermeture d'un ouvrant - Google Patents
Dispositif d'assistance a l'ouverture/fermeture d'un ouvrantInfo
- Publication number
- EP1759076A1 EP1759076A1 EP05757882A EP05757882A EP1759076A1 EP 1759076 A1 EP1759076 A1 EP 1759076A1 EP 05757882 A EP05757882 A EP 05757882A EP 05757882 A EP05757882 A EP 05757882A EP 1759076 A1 EP1759076 A1 EP 1759076A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- kinematic chain
- closing
- bolt
- opening
- motor
- 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
Links
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
- E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
-
- 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
-
- 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
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/002—Geared transmissions
- E05B2047/0021—Geared sectors or fan-shaped gears
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/0026—Clutches, couplings or braking arrangements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/0026—Clutches, couplings or braking arrangements
- E05B2047/0028—Clutches, couplings or braking arrangements using electromagnetic means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- 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 device for assisting with the opening / closing of an opening. It applies in particular to door locks, in the automotive field, such as side doors, comprising one or two locking notches to assist the closing in the compression phase of the opening gasket as well as the opening to improve user comfort.
- the device comprises a bolt for disengaging / engaging a strike, a pawl capable of locking the bolt in at least one locking position and of releasing said bolt, a connecting rod capable of acting on the during the closing assistance bolt, a first kinematic chain for the closing assistance, one end of which is connected to a motor and the other end is connected to the said link, a second kinematic chain for the assistance of the closing opening one end of which is connected to said motor and the other end of which is connected to said pawl.
- a motor operates in both directions of rotation with an electromagnetic clutch to manage the opening phase or the closing phase.
- a motor activates a pinion and authorizes the closing of the bolt, at the first notch then at the second notch.
- the motor activates the pinion in the other direction and authorizes the release of the bolt by action on the pawl.
- the electromagnetic clutch with the spring allows a return to the initial position of the part, during an opening or closing operation and avoids residual stresses in the closing or opening chain.
- This type of system has drawbacks.
- This system always requires an electronic engine management means for rotation in both directions, namely for opening and closing, which complicates the kinematic chain and therefore makes it less reliable and more expensive.
- this type of system also requires the use of an electromagnetic clutch and a system for controlling this clutch.
- the electromagnetic clutch requires the presence of two switches, one in contact with the bolt and the other in contact with the pawl, in order to determine the states of these two. elements. These switches represent a significant cost and constitute relatively unreliable or fragile electronic means after a long period of use.
- the present invention intends to remedy the drawbacks of the devices of the prior art by proposing a simpler system, that is to say requiring fewer control or actuating elements, more mechanically reliable and less expensive in its realization.
- the present invention furthermore proposes, in this respect, two particular embodiments each presenting its own advantages.
- the invention relates to a device for assisting with the opening / closing of an opening in a motor vehicle, comprising a bolt for disengaging / engaging a strike, a pawl capable of blocking the bolt in at at least one blocking position and to release said bolt, a first kinematic chain for assistance in closing, one end of which is connected to a motor and the other end is connected to said drive means, a second kinematic chain for the opening assistance, one end of which is connected to said motor and the other end of which is connected to said pawl, characterized in that said motor comprises a through shaft, the two ends of which form a driving connection with said first kinematic chain and the second chain respectively cinematic.
- the first kinematic chain comprises, at its end in contact with the bolt, a unilateral drive means by contact capable of acting on the bolt during assistance in closing.
- a one-way contact drive means consists of an element capable of pushing, or chasing, the bolt during assistance in closing, that is to say when the first kinematic chain is active, and to withdraw, or to disengage, from its contact with the bolt and from its rotation path during an opening action of the opening, so that the bolt can turn without discomfort.
- One of the advantages of the device of the invention lies in the fact that it uses only one motor to perform assistance in closing or opening.
- the first kinematic chain will comprise a free wheel, said wheel being driving during its rotation in a first direction so that said kinematic chain acts, via the unilateral drive means by contact, on the bolt to assist closing, said freewheel being inactive during its rotation opposite to said first direction.
- the pinions or wheels making up the first and second kinematic chains are able to rotate in both directions of rotation.
- the advantage of the first embodiment, with the freewheel, lies in the simplicity and the mechanical reliability of this element, which does not require any dedicated management means.
- the freewheel is replaced by a clutch.
- the first kinematic chain will comprise a clutch, for example an electromagnetic clutch, capable of activating / inactivating the action of said first kinematic chain on said drive means.
- the clutch is coupled to a return spring to return said clutch to the active position so as to reactivate said first kinematic chain so that the latter is able to act on said drive means.
- the pinions or the wheels of the first and second kinematic chains can only rotate in one direction of rotation.
- the use of a clutch and a return spring makes it possible to avoid permanent stress on the first kinematic chain during closing.
- Another advantage of this embodiment of the invention lies in the fact that it only requires electronic management of the motor in one direction. Indeed, in this embodiment, the through shaft only rotates in one direction.
- FIG. 1 is a schematic view illustrating the operation of a device according to the invention according to the first embodiment
- - Figure 2 is a schematic view of the freewheel with cam used in the first kinematic chain of the first mode according to the invention
- - Figure 3 is a schematic view illustrating the operation of a device according to the invention according to a second embodiment
- - Figure 4 is a schematic view of the bolt, the pawl and the second kinematic chain in the "just open" position in the second embodiment according to the invention.
- the one-sided contact drive means here consists of a connecting rod 8.
- this element 8 could also be a toothed wheel with a bearing surface capable of acting on the bolt, identical to that described in patent application WO 0049252.
- the first and second embodiments of the opening / closing assistance device according to the invention respectively shown in FIGS. 1-2 and 3-4, the following elements are found: - a single electric motor 1 with a through shaft 2, the ends are located on either side of the engine 1 so that the first 3 and second 4 kinematic chains are entirely located on either side of the engine 1, - a first kinematic chain 3, intended for assistance to the closure, comprising two drive wheels 5 and 6, one of which 5 is rotated by one end of the through shaft 2, and a toothed sector 7 acting on a connecting rod 8, - a connecting rod 8, which when put into action by the first kinematic chain 3, pushes on a bolt 9, the latter driving the opening so as to assist its closing.
- the bolt 9 catches the keeper, not shown in the appended figures, and brings the opening closer to the frame, whether the strike or the bolt 9 is located respectively on one or the 'other of these two elements, dormant or opening, - a bolt 9, U-shaped having two substantially parallel branches forming a housing for a keeper, not shown in the accompanying figures, - a pawl 10' extending substantially along a linear axis, having at one of its ends a protruding peak 11, or a wing, for blocking the bolt 9 at least in a blocking position, and at the other end a contact surface 12, extending substantially curvilinear or circular, coming into contact with a crank pin 13 carried by Q ⁇ .
- the second kinematic chain 4, intended for assistance with opening here comprises a single pinion 14 driven in rotation by the other end of the through shaft 2, said pinion 14 being provided with a crank pin 13, by example of cylindrical shape.
- the electric motor 1 is housed in a housing or the like of which is protruding, on two opposite faces, the two respective ends of the through shaft 2.
- the through shaft 2, conventionally constituted, extends linearly and its two ends are respectively protruding just to rotate the two kinematic chains 3 and 4.
- the first kinematic chain 3, or kinematic chain for assisting in closing consists of a first drive wheel 5 comprising two wheels 15, 16 of different diameter.
- the larger of the two wheels 15 is in contact, that is to say its peripheral surface is in contact, with one of the ends of the through shaft 2 driving it in rotation, while the second wheel 16, of diameter smaller than that of the first wheel 15, is in contact with a wheel 17 of the second drive wheel 6 to drive it in rotation.
- the second drive wheel 6 comprises a cam free wheel, not visible, located between the wheel 17 and a second wheel 18 of diameter smaller than wheel 17.
- the second wheel 18 is in contact with a toothed sector 7 whose contact surface with the second wheel 18 forms a portion of a circle.
- the first kinematic chain 3 comprises, at its end in contact with the connecting rod 8, the toothed sector 7 capable of acting on the connecting rod 8.
- the connecting rod 8 here has an actuating function on the bolt 9 consisting of pushing it, by contact, so as to rotate it, this latter action constituting the final action of assistance in closing.
- the freewheel is authorized to rotate only in one direction so that there is an active direction of rotation of the motor for the freewheel and an inactive direction of rotation of the motor for the freewheel.
- the motor 1 is activated and rotates the through shaft 2, in the example chosen to illustrate the invention, clockwise, which results, relatively to the second kinematic chain 4, the rotation of the pinion 14 and the crank pin 13 that it carries.
- the crank pin 13 in contact with the end portion 12 of the pawl 10, of substantially curvilinear or circulating shape, drives the pawl 10 which releases the bolt 9 and allows the opening of the opening, for example a vehicle door automobile.
- the first kinematic chain 3 is also driven by the action of the other end of the through shaft 2.
- the two drive wheels 5 and 6 are thus driven in rotation as explained above but the free wheel , forming a junction between the two wheels 17 and 18 of the second drive wheel 6, cannot rotate when the through shaft 2 rotates clockwise, for assistance in closing, in other words the free wheel is inactive for so that the wheel 18 does not rotate or remains static.
- the toothed sector 7 and the connecting rod 8 do not move, or remain fixed or immobile.
- the motor 1 is activated and rotates the through shaft 2 clockwise, which has the effect of rotating the pinion 14 which drives the crank pin 13 secured to the “just open” position, shown in FIG. 4, in which the pawl 10 releases the bolt 9 and the pawl 10, via its surface 12 extending substantially curvilinear or circular, remains in contact with the crank pin 13
- the pawl 10 rises and releases the bolt 9, which allows the opening of the door, for example the door.
- the through shaft 2 of the motor 1 also drives the first kinematic chain 3 but here, the clutch decouples the wheels 17 and 18 so that the toothed sector 7 and the connecting rod 8 stay still.
- the motor 1 is activated and the through shaft 2 rotates in the same direction as for the opening assistance, for example therefore clockwise, but the clutch couples the wheels 17 and 18 so that the toothed sector 7 drives the connecting rod 8 which acts on the bolt 9, as explained above in the first embodiment.
- the crank pin 13 and the pawl 10 are in the “just opening” position shown in FIG. 4 and obtained at the end of the opening assistance phase.
- the clutch is controlled by a management means, not shown in the appended figures, of the active / inactive state of the first kinematic chain 3 depending respectively on an opening / closing request from the opening by a user.
- the active state of the first kinematic chain 3 corresponds to the effective drive of the toothed sector 7 and of the connecting rod 8
- the inactive state of the first kinematic chain corresponds to the absence of drive of the latter two elements 7 and 8, which therefore remain stationary.
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Lock And Its Accessories (AREA)
- Glass Compositions (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Paper (AREA)
- Surgical Instruments (AREA)
- Details Of Garments (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0406406A FR2871498B1 (fr) | 2004-06-14 | 2004-06-14 | Dispositif d'assistance a l'ouverture/fermeture d'un ouvrant |
PCT/EP2005/052585 WO2005124072A1 (fr) | 2004-06-14 | 2005-06-06 | Dispositif d’assistance a l’ouverture/fermeture d’un ouvrant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1759076A1 true EP1759076A1 (fr) | 2007-03-07 |
EP1759076B1 EP1759076B1 (fr) | 2007-11-07 |
Family
ID=34946665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20050757882 Not-in-force EP1759076B1 (fr) | 2004-06-14 | 2005-06-06 | Dispositif d'assistance a l'ouverture/fermeture d'un ouvrant |
Country Status (10)
Country | Link |
---|---|
US (1) | US20080164703A1 (fr) |
EP (1) | EP1759076B1 (fr) |
JP (1) | JP2008502826A (fr) |
KR (1) | KR20070083458A (fr) |
CN (1) | CN101001999A (fr) |
AT (1) | ATE377688T1 (fr) |
BR (1) | BRPI0512078A (fr) |
DE (1) | DE602005003227T2 (fr) |
FR (1) | FR2871498B1 (fr) |
WO (1) | WO2005124072A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2948960B1 (fr) * | 2009-08-06 | 2011-12-09 | Valeo Securite Habitacle | Actionneur a assistance a la fermeture pour serrure d'ouvrant de vehicule automobile et dispositif associe |
US10822844B2 (en) * | 2014-02-14 | 2020-11-03 | Inteva Products, Llc | Latch with linearly operated lock lever |
DE102015111149A1 (de) * | 2015-07-09 | 2017-01-12 | Kiekert Ag | Sicherheitsvorrichtung für Fronthauben mit elektrischem Antrieb |
US11105128B2 (en) * | 2018-02-28 | 2021-08-31 | Ford Global Technologies, Llc | Door latch with clutch selectively engaged by magnetic field |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2542793B1 (fr) * | 1983-03-14 | 1985-07-19 | Mecanismes Comp Ind De | Serrure a ouverture electrique, notamment pour portieres de vehicules automobiles |
IT1195347B (it) * | 1986-10-17 | 1988-10-12 | Roltra Spa | Serratura ad azionamento elettrico per veicoli |
US4969672A (en) * | 1989-05-15 | 1990-11-13 | General Motors Corporation | Deck lid release actuator |
US4974885A (en) * | 1989-10-31 | 1990-12-04 | Fuji Jukogyo Kabushiki Kaisha | Device for locking trunk lid of motor vehicle |
US5667263A (en) * | 1994-09-01 | 1997-09-16 | Kiekert Aktiengesellshaft | Power-actuated motor-vehicle door latch |
DE19828040B4 (de) * | 1998-06-24 | 2005-05-19 | Siemens Ag | Kraftunterstützte Schließeinrichtung |
US6076868A (en) * | 1999-02-09 | 2000-06-20 | General Motors Corporation | Vehicle compartment latch |
AU2654800A (en) * | 1999-02-18 | 2000-09-04 | Atoma International Corp. | Power door latch assembly |
FR2803619B1 (fr) * | 2000-01-07 | 2002-09-13 | Coutier Moulage Gen Ind | Module de serrure electrique pour une porte d'un vehicule |
DE10137800B4 (de) * | 2001-08-06 | 2005-04-14 | Webasto Ag | Schliessvorrichtung, insbesondere für eine Kofferraumklappe |
DE10239734A1 (de) * | 2002-08-26 | 2004-03-11 | Brose Schließsysteme GmbH & Co.KG | Kraftfahrzeug-Klappenschluß o. dgl. |
DE10344244B4 (de) * | 2002-09-28 | 2008-04-24 | Witte-Velbert Gmbh & Co. Kg | Drehfallenverschluss |
EP1734209B1 (fr) * | 2005-06-15 | 2013-08-14 | Intier Automotive Closures S.p.A. | Serrure pour porte de véhicule automobile |
-
2004
- 2004-06-14 FR FR0406406A patent/FR2871498B1/fr not_active Expired - Fee Related
-
2005
- 2005-06-06 KR KR1020077000908A patent/KR20070083458A/ko not_active Application Discontinuation
- 2005-06-06 BR BRPI0512078-0A patent/BRPI0512078A/pt not_active Application Discontinuation
- 2005-06-06 CN CNA2005800248805A patent/CN101001999A/zh active Pending
- 2005-06-06 DE DE200560003227 patent/DE602005003227T2/de active Active
- 2005-06-06 EP EP20050757882 patent/EP1759076B1/fr not_active Not-in-force
- 2005-06-06 WO PCT/EP2005/052585 patent/WO2005124072A1/fr active Application Filing
- 2005-06-06 US US11/629,599 patent/US20080164703A1/en not_active Abandoned
- 2005-06-06 JP JP2007515930A patent/JP2008502826A/ja active Pending
- 2005-06-06 AT AT05757882T patent/ATE377688T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2005124072A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101001999A (zh) | 2007-07-18 |
US20080164703A1 (en) | 2008-07-10 |
JP2008502826A (ja) | 2008-01-31 |
FR2871498A1 (fr) | 2005-12-16 |
DE602005003227D1 (de) | 2007-12-20 |
FR2871498B1 (fr) | 2006-09-08 |
ATE377688T1 (de) | 2007-11-15 |
BRPI0512078A (pt) | 2008-02-06 |
KR20070083458A (ko) | 2007-08-24 |
WO2005124072A1 (fr) | 2005-12-29 |
EP1759076B1 (fr) | 2007-11-07 |
DE602005003227T2 (de) | 2008-09-11 |
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