EP2664734B1 - Entriegelvorrichtung für fahrzeugtür - Google Patents

Entriegelvorrichtung für fahrzeugtür Download PDF

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Publication number
EP2664734B1
EP2664734B1 EP13167868.2A EP13167868A EP2664734B1 EP 2664734 B1 EP2664734 B1 EP 2664734B1 EP 13167868 A EP13167868 A EP 13167868A EP 2664734 B1 EP2664734 B1 EP 2664734B1
Authority
EP
European Patent Office
Prior art keywords
door
handle
unlatching
lever
shaft
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.)
Active
Application number
EP13167868.2A
Other languages
English (en)
French (fr)
Other versions
EP2664734A2 (de
EP2664734A3 (de
Inventor
Hiroto Fujiwara
Hiroyuki Kouzuma
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 Inc
Original Assignee
Honda Lock Manufacturing Co Ltd
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 Honda Lock Manufacturing Co Ltd filed Critical Honda Lock Manufacturing Co Ltd
Publication of EP2664734A2 publication Critical patent/EP2664734A2/de
Publication of EP2664734A3 publication Critical patent/EP2664734A3/de
Application granted granted Critical
Publication of EP2664734B1 publication Critical patent/EP2664734B1/de
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
    • 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
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • 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

Definitions

  • the present invention relates to an unlatching device for a vehicle door, comprising: electrically-operated unlatching means capable of exerting unlatching power; emergency unlatching means capable of transmitting mechanical unlatching power in response to an operation by a vehicle driver; and a latch mechanism configured to enable switching between an unlocked state and a locked state and to release a latched state of a door in response to an operation of any one of the electrically-operated unlatching means and the emergency unlatching means in the unlocked state.
  • Japanese Patent No. 4598668 makes known an unlatching device for a vehicle door configured to electrically unlatch a door by an operation of a door switch, which is designed to be capable of releasing a latched state of the door also with mechanical operational force by an operation of a vehicle driver in a case where the latched state of the door cannot be electrically released due to a malfunction such as a dead battery.
  • an outside handle is provided on a door in such a manner as to be operable by putting a hand into a recess provided on the vehicle body side, and an emergency operating member is arranged in such a manner as to be hidden from the outside by the outside handle.
  • the emergency operating member has to be operated by putting the hand deep inside the outside handle. Hence, it can not be said that the operability of the emergency operating member is good.
  • DE 10 2004 054189 discloses a door handle with two modes of operation. In one mode a user may push the door handle to electrically release a latch and open a lock, and in a second mode a user may pull the door handle to mechanically release the latch and open the lock.
  • An object of the present invention is to provide an unlatching device for a vehicle door which facilitates an emergency operation in case it is unable to electrically release a latched state of a door due to a malfunction such as a dead battery.
  • an unlatching device for a vehicle door comprising: electrically-operated unlatching means capable of exerting unlatching power; emergency unlatching means capable of transmitting mechanical unlatching power in response to an operation by a vehicle driver; and a latch mechanism configured to enable switching between an unlocked state and a locked state and to release a latched state of a door in response to an operation of any one of the electrically-operated unlatching means and the emergency unlatching means when the latch mechanism is in the unlocked state, wherein a door handle is provided on the door in such a manner as to operate the electrically-operated unlatching means in response to a first operation and to operate the emergency unlatching means in response to a second operation being different from the first operation, the door handle being turnably attached to the door via a single support shaft in such a manner as to enable switching between the first operation to turn the door handle in the downward direction from a neutral position and the second operation to turn the door handle
  • the door handle is turnably attached to the door via the single support shaft and is biased to the neutral position by the biasing means.
  • An outside handle of an embodiment may correspond to the door handle of the present invention.
  • An unlatching electric motor of an embodiment may correspond to the electrically-operated unlatching means of the present invention.
  • a front side door of an embodiment may correspond to the door of the present invention.
  • FIG. 1 is a side view showing a part of a vehicle door
  • FIG. 2 is a sectional view taken along a line 2-2 in FIG. 1
  • FIG. 3 is a view seen from a direction of an arrow 3 in FIG. 2 in a non-operating state
  • FIG. 4 is an exploded perspective view showing a part of the configuration of an unlatching device
  • FIG. 5 is a sectional view taken along a line 5-5 in FIG. 2
  • FIG. 6 is a view corresponding to FIG. 3 in a normal operation state
  • FIG. 7 is a view corresponding to FIG. 3 in an emergency operation state
  • FIG. 8 is a sectional view taken along a line 8-8 in FIG. 3
  • FIG. 9 is a sectional view taken along a line 9-9 in FIG. 2 .
  • an outer panel 11 of a door such as a front side door D installed in a passenger vehicle is provided with an outside handle 12 serving as a door handle, and a cylinder lock 13 located in the rear of the outside handle 12.
  • the front side door D is provided with a latch mechanism 14, which enables switching between an unlocked state and a locked state and enables a latched state of retaining a closed state of the front side door D to be released in the unlocked state.
  • a locked-state switching electric motor 16 configured to exert power to switch the latch mechanism 14 between the locked state and the unlocked state
  • an unlatching electric motor 17 serving as electrically-operated unlatching means which can exert unlatching power are built in a case 15 of the latch mechanism 14.
  • a latched state of the front side door D is released in response to an operation of the unlatching electric motor 17 in the unlocked state.
  • a mechanical operational force can be inputted to the latch mechanism 14 by operating the cylinder lock 13 with a mechanical key (not shown).
  • the latch mechanism 14 is switched between the locked state and the unlocked state in response to the input of the mechanical operational force from the cylinder lock 13.
  • the outside handle 12 is formed in such a manner as to extend long in a front-back direction of the vehicle and to be integrally provided with a turnable base portion 12a on a front end portion thereof and a grip portion 12b extending rearward from the turnable base portion 12a.
  • a lock sensor 18 for switching the latch mechanism 14 from the unlocked state to the locked state is arranged inside the turnable base portion 12a, and a mark 19 for indicating the arranged position of the lock sensor 18 is provided on a surface of the turnable base portion 12a.
  • the locked-state switching electric motor 16 operates to set the latch mechanism 14 to the locked state.
  • a base member 20 made of a synthetic resin is in contact with an inner surface of the outer panel 11 of the front side door D, and a circular opening 21 is provided at portions of the base member 20 and the outer panel 11 corresponding to the turnable base portion 12a of the outside handle 12.
  • Engagement projections 22b projecting outward in radial directions are provided in a projecting manner in multiple portions, such as four portions, of the base shaft 22 which are near the engagement flange portion 22a at regular intervals in a peripheral direction of its outer periphery.
  • Locking recesses 21a which the engagement projections 22b are inserted into and engage with are provided in multiple portions, such as four portions, of the opening 21 at regular intervals in a peripheral direction thereof. Accordingly, the rotation of the base shaft 22 around its axis is inhibited in the state where the base shaft 22 is inserted in the opening 21 until the engagement flange portion 22a is brought into contact with the outer surface of the outer panel 11.
  • a male screw 26 is threaded on the outer periphery of the base shaft 22.
  • a nut 27 for sandwiching the base member 20 between the nut 27 and the outer panel 11 is threadedly engaged with the male screw 26.
  • the base member 20 and the base shaft 22 are fixed to the outer panel 11 by tightening the nut 27.
  • the support shaft 30 includes, integrally and sequentially from one end side thereof: an attachment portion 30a formed into such a shape corresponding to an inner surface of the rotational base portion 12a and in contact with the rotational base portion 12a; an attachment flange portion 30b protruding outward and sideways from the attachment portion 30a; a restriction flange portion 30c protruding outward and sideways from the attachment portion 30a in such a manner as to face the attachment flange portion 30b from the other side in the axial direction; a large diameter shaft portion 30d formed in a larger diameter than that of the large diameter hole 23 of the base shaft 22 and continuing to the attachment portion 30a; a medium diameter shaft portion 30e provided with such an outside diameter to be inserted into the large diameter hole 23 of the base shaft 22 and coaxially continuing to the large diameter shaft portion 30d; and a small diameter shaft portion 30f provided with such an outside diameter to
  • a second stepped portion 31 in contact with the engagement flange portion 22a of the base shaft 22 is formed between the large diameter shaft portion 30d and the medium diameter shaft portion 30e, and a third stepped portion 32 closely facing the first stepped portion of the base shaft 22 is formed between the medium diameter shaft portion 30e and the small diameter shaft portion 30f.
  • the support shaft 30 is fixed to the rotational base portion 12a by fastening the attachment flange portion 30b of the support shaft 30 to an attachment boss 12c integrally provided in a projecting manner on the inner surface of the rotational base portion 12a of the outside handle 12 by use of a screw member 33. Meanwhile, the medium diameter shaft portion 30e and the small diameter shaft portion 30f of the support shaft 30 are inserted into the large diameter hole 23 and the small diameter hole 24 of the base shaft 22 in such a way that the second stepped portion 31 of the support shaft 30 is brought into contact with the engagement flange portion 22a of the base shaft 22.
  • one projection strip 30g projecting outward in a radial direction is projectingly provided integrally on the small diameter shaft portion 30f of the support shaft 30.
  • a restriction recess 34 for housing the projection strip 30g is formed on the other end portion of the base shaft 22 in such a manner as to be opened to an inner periphery of the small diameter hole 24.
  • a turnable range of the projection strip 30g i.e., a turnable range of the support shaft 30 and the outside handle 12 is restricted by the projection strip 30g coming into contact with both ends of the restriction recess 34 along the peripheral direction of the support shaft 30.
  • a shaft lever 35 is connected to a projecting portion projecting from the other end portion of the base shaft 22, and inclusive of the projection strip 30g of the support shaft 30.
  • the shaft lever 35 is integrally provided with: a disc-shaped lever base portion 35a having an attachment hole 36 in which the projecting portion of the support shaft 30 is fitted in such a manner as to disable relative rotation, and being brought in contact with the other end portion of the base shaft 22; and an arm portion 35b extending rearward from the lever base portion 35a in the front-back direction of the vehicle while having an intermediate portion bent to the base member 20 side.
  • the lever base portion 35a is held between the other end portion of the base shaft 22 and an E-shaped retaining ring 37, which is attached to an attachment groove 38 (see FIG. 4 ) provided on an outer periphery of the small diameter shaft portion 30f of the support shaft 30.
  • the shaft lever 35 is connected to the support shaft 30 in such a manner to be turnable together with the support shaft 30, i.e., the outside handle 12.
  • the downward turn of the shaft lever 35 is detected by a switch 40 attached to a lower part of the base member 20.
  • the switch 40 is a micro switch including: a switch case 41 attached to the base member 20; a detector 42 being biased in a direction for the detector 42 to project from the switch case 41 and partially projecting from the switch case 41; and a lever 43 made of a leaf spring located outside the switch case 41 with one end portion being supported by the switch case 41.
  • the lever 43 is designed to exert elastic force in a direction for the other end side thereof to move away from the switch case 41.
  • a curved contact portion 43a is formed on the other end portion of the lever 43, and a portion of the lever 43 near the contact portion 43a comes into contact with a tip end of the detector 42.
  • a tip end portion of the arm portion 35b of the shaft lever 35 is in contact with the contact portion 43a of the lever 43.
  • a recess 44 configured to house the contact portion 43a so as to cause the other end side of the lever 43 to be away from the switch case 41 to the maximum extent when the outside handle 12 is in a non-operating state is formed in a lower part of the tip end of the arm portion 35b.
  • the latched state can be released by: setting the latch mechanism 14 to the unlocked state by operating the cylinder lock 13 with the mechanical key; moving the outside door 12 in accordance with a second operation different from the first operation; and thus, transmitting mechanical unlatching power to the latch mechanism 14 via emergency unlatching means 46.
  • the first operation is the operation to push and turn the outside handle 12 downward
  • the second operation is an operation to push and turn the outside handle 12 upward.
  • the emergency unlatching means 46 includes: the shaft lever 35 which turns together with the outside handle 12; a handle lever 47 rotatably supported by the base member 20 in such a manner as to turn in conjunction with the turn of the shaft lever 35 associated with the upward turn of the outside handle 12; and a rod 48 which connects the handle lever 47 and the latch mechanism 14 together.
  • a pressing portion 35c which is perpendicularly bent from a tip end portion of the arm portion 35b of the shaft lever 35 and faces upwards is formed integrally with the arm portion 35b.
  • a pressure receiving portion 47a facing the pressing portion 35c from above is formed in a front end portion of the handle lever 47 formed in such a manner as to extend in the front-back direction of the vehicle.
  • An intermediate portion of the handle lever 47 in a longitudinal direction is rotatably supported by the base member 20 via a rivet 49.
  • Second and third ribs 50, 51 which are in sliding contact with the handle lever 47 in order to prevent backlash of the handle lever 47, are provided in a projecting manner on the base member 20.
  • one end of the rod 48 is connected to a rear end portion of the handle lever 47 so that the mechanical unlatching power is transmitted to the latch mechanism 14 when the rod 48 is pushed downward.
  • a torsion spring 52 which exerts spring force to bring the handle lever 47 back to a non-operating position side shown in FIG. 3 is provided between the base member 20 and the handle lever 47.
  • an elastic piece 54 including a loose end portion caused to face the pressure receiving portion 47a and a base end portion continuing perpendicularly to the base member 20, is formed in the base member 20 in a position which overlaps the pressure receiving portion 47a of the handle lever 47 when the handle lever 47 is in the non-operating state, by cutting and raising part of the base member 20.
  • a projection 55 projecting toward the pressure receiving portion 47a is provided in the loose end portion of the elastic piece 54.
  • the pressing portion 35c of the shaft lever 35 turns in such a manner as to run over the projection 55 while bending the elastic piece 54. Accordingly, a vehicle user can feel a click for discriminating between a normal operation and an emergency operation because an operating load is greater in an emergency case in which the outside handle 12 is turned upward than in a normal case where the outside handle 12 is turned downward.
  • the outside handle 12 is rotatably attached to the front side door D via the single support shaft 30 so that the outside handle 12 can be switched between the first operation to turn the outside handle 12 downward from a neutral position indicated with a solid line in FIG. 1 and the second operation to turn the outside handle 12 upward from the neutral position.
  • Biasing means 56 for turning and biasing the outside handle 12 in a direction back to the neutral position side is provided between the outside handle 12 and the front side door D.
  • the biasing means 56 is realized by providing a spring 57 between the support shaft 30 which is fixed to the outside handle 12 and the base shaft 22 which is fixed to the outer panel 11 of the front side door D.
  • the spring 57 includes a coil portion 57a surrounding the large diameter portion 30d of the support shaft 30, and first and second pinched pieces 57b, 57c extending from opposite ends of the coil portion 57a.
  • the restriction flange portion 30c of the support shaft 30 is provided with an elongated hole 58 which is formed into an arc shape with a center axis of the large diameter shaft portion 30d being a center and which is configured to allow insertion of tip end portions of the first and second pinched pieces 57b, 57c.
  • First and second spring receiving portions 59, 60 which can be brought into contact with the first and second pinched pieces 57b, 57c from outside, are provided in a projecting manner on the engagement flange portion 22a of the base shaft 22.
  • the tip end portions of the first and second pinched pieces 57b, 57c are located at opposite ends of the elongated hole 58 in a longitudinal direction.
  • the first and second spring receiving portions 59, 60 are in contact with the first and second pinched pieces 57b, 57c from outside.
  • the outside handle 12 is provided on the front side door D in such a manner as to operate the unlatching electric motor 17 in response to the first operation and to operate the emergency unlatching means 46 in response to the second operation being different from the first operation. Accordingly, both of the first operation in the normal state where the unlatching electric motor 17 operates normally and the second operation in the emergency state where the operation of the unlatching electric motor 17 is disabled can be performed by using the same outside handle 12. Thus, it is easy to perform the emergency operation in case the latched state of the front side door D cannot be released electrically.
  • the outside handle 12 is turnably attached to the front side door D via the single support shaft 30 in such a manner that the operations of the outside handle 12 can be switched between the first operation to turn the outside handle 12 downward from the neutral position and the second operation to turn the outside handle 12 upward from the neutral position.
  • the biasing means 56 for turning and biasing the outside handle 12 in the direction back to the neutral position side is provided between the outside handle 12 and the front side door D.
  • the present invention is also applicable to a case where a door handle is placed as an inside handle located inside a vehicle door.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (1)

  1. Entriegelungsvorrichtung für eine Fahrzeugtür, umfassend: elektrisch betätigte Entriegelungsmittel (17), die fähig sind, Entriegelungskraft auszuüben; Notfallentriegelungsmittel (46), die fähig sind, als Reaktion auf eine Betätigung durch einen Fahrzeugfahrer mechanische Entriegelungskraft zu übertragen; und einen Verriegelungsmechanismus (14), der ausgelegt ist, um das Umschalten zwischen einem entriegelten Zustand und einem verriegelten Zustand zu ermöglichen, und um einen verriegelten Zustand einer Tür (D) als Reaktion auf eine Betätigung von einem der elektrisch betätigten Entriegelungsmittel (17) und der Notfallentriegelungsmittel (46), wenn sich der Verriegelungsmechanismus (14) in dem entriegelten Zustand befindet, freizugeben,
    wobei ein Türgriff (12) an der Tür (D) auf eine solche Weise bereitgestellt ist, um die elektrisch betätigten Entriegelungsmittel (17) als Reaktion auf eine erste Betätigung zu betätigen, und um die Notfallentriegelungsmittel (46) als Reaktion auf eine zweite Betätigung, die von der ersten Betätigung unterschiedlich ist, zu betätigen, wobei der Türgriff (12) drehbar über eine einzige Trägerwelle (30) so an der Tür (D) befestigt ist, um das Umschalten zwischen der ersten Betätigung, um den Türgriff (12) von einer neutralen Position in die Abwärtsrichtung zu drehen, und der zweiten Betätigung, um den Türgriff (12) von einer neutralen Position in die Aufwärtsrichtung zu drehen, zu ermöglichen, wobei
    Vorspannmittel (56) zum Drehen und Vorspannen des Türgriffs (12) in eine Richtung zurück zur neutralen Positionsseite zwischen dem Türgriff (12) und der Tür (D) bereitgestellt sind, und
    dadurch gekennzeichnet, dass die Notfallentriegelungsmittel (46) einen Wellenhebel (35) beinhalten, der ausgelegt ist, um mit dem Türgriff (12) zu drehen, einen Griffhebel (47), der schwenkbar von einem Sockelelement (20) getragen wird, um zusammen mit einer mit einer Aufwärtsbewegung des Türgriffs (12) verbundenen Drehung des Wellenhebels (35) zu drehen, und eine Stange (48), die den Griffhebel (47) und den Verriegelungsmechanismus (14) miteinander verbindet.
EP13167868.2A 2012-05-18 2013-05-15 Entriegelvorrichtung für fahrzeugtür Active EP2664734B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012114783A JP5619073B2 (ja) 2012-05-18 2012-05-18 車両用ドアのラッチ解除装置

Publications (3)

Publication Number Publication Date
EP2664734A2 EP2664734A2 (de) 2013-11-20
EP2664734A3 EP2664734A3 (de) 2017-05-31
EP2664734B1 true EP2664734B1 (de) 2019-06-26

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ID=48446133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13167868.2A Active EP2664734B1 (de) 2012-05-18 2013-05-15 Entriegelvorrichtung für fahrzeugtür

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Country Link
EP (1) EP2664734B1 (de)
JP (1) JP5619073B2 (de)
CN (1) CN103422738B (de)

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JP6660781B2 (ja) * 2016-03-17 2020-03-11 株式会社アルファ 車両用ハンドル装置
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US20190211592A1 (en) * 2016-08-23 2019-07-11 Huf Hülsbeck & Fürst Gmbh & Co. Kg Acquisition System for Detection of an Actuation in a Handle Device of a Vehicle
DE102017124518A1 (de) * 2017-10-20 2019-04-25 Kiekert Ag Kraftfahrzeugtürschloss
CN109927876B (zh) * 2017-12-15 2022-04-19 中国航空工业集团公司成都飞机设计研究所 一种舱门应急解锁装置
GB2580393A (en) * 2019-01-09 2020-07-22 Dyson Technology Ltd Vehicle door latch assembly
GB2580394A (en) * 2019-01-09 2020-07-22 Dyson Technology Ltd A vehicle door
GB2580395A (en) * 2019-01-09 2020-07-22 Dyson Technology Ltd Vehicle door latch assembly
CN111608483A (zh) * 2020-07-01 2020-09-01 希美克(广州)实业有限公司 执手门锁
DE102020123294A1 (de) 2020-09-07 2021-10-14 Audi Aktiengesellschaft Symmetrische Betätigungsanordnung für die Entriegelung einer Fahrzeugklappe und Kraftfahrzeug
CN112963056B (zh) * 2021-02-25 2022-02-08 湖北文理学院 一种从车内快速开启的汽车门锁

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Also Published As

Publication number Publication date
CN103422738B (zh) 2015-10-28
JP2013241765A (ja) 2013-12-05
JP5619073B2 (ja) 2014-11-05
CN103422738A (zh) 2013-12-04
EP2664734A2 (de) 2013-11-20
EP2664734A3 (de) 2017-05-31

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