JP2004293038A - Vehicular door latch device - Google Patents

Vehicular door latch device Download PDF

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Publication number
JP2004293038A
JP2004293038A JP2003082828A JP2003082828A JP2004293038A JP 2004293038 A JP2004293038 A JP 2004293038A JP 2003082828 A JP2003082828 A JP 2003082828A JP 2003082828 A JP2003082828 A JP 2003082828A JP 2004293038 A JP2004293038 A JP 2004293038A
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JP
Japan
Prior art keywords
latch
door
release
full
fully
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
JP2003082828A
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Japanese (ja)
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JP4261230B2 (en
Inventor
Hitoshi Nakamura
仁 中村
Original Assignee
Oi Seisakusho Co Ltd
株式会社大井製作所
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.)
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Priority to JP2003082828A priority Critical patent/JP4261230B2/en
Publication of JP2004293038A publication Critical patent/JP2004293038A/en
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Publication of JP4261230B2 publication Critical patent/JP4261230B2/en
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Abstract

A single motor can perform a closing operation of a latch unit, a releasing operation of a latch unit, and a releasing operation of a latch device for full opening.
A rotating unit (10) is rotatable from a neutral position in two directions, a closing direction and a releasing direction, by a forward / reverse rotation of a motor (8), and a latch unit (3) is rotated by rotating the rotating member (10) in a closing direction. Closing means 11 for displacing the door from the half-latched state to the full-latched state, and the fully-open latch device capable of holding the door in the fully-opened state by the rotation of the rotating member 10 in the release direction, whereby the door can be closed. The release means 15 for full opening and the release means 16 for full closure for releasing the latch unit 3 and opening the door by rotating the rotating member 10 in the release direction. Provide.
[Selection] Fig. 2

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a vehicle door latch device suitable for a sliding door of a vehicle.
[0002]
[Prior art]
Conventionally, in a vehicle door latch device, when the slide door is in a half-door state and the latch unit provided on the slide door is engaged with a striker provided on the vehicle body in a half-latched state, the motor of the drive unit is used. The slide door is forcibly displaced from the half latch state to the full latch state, and the slide door is closed in the fully closed state. When the door is opened, an electric actuator connected to the latch unit is driven to release the latch unit and release the engagement between the latch unit and the striker. Patent Document 1).
In the sliding door, in addition to the above-described latch unit that holds the door in a closed state, a fully-open latch device for holding the sliding door in a fully open state is provided.
[0003]
[Patent Document]
Japanese Patent Application Laid-Open No. 2001-98819
[Problems to be solved by the invention]
However, in the conventional vehicle door latch device as described above, a motor for a closure for closing the door from a half-door state to a fully closed state, a motor for a release actuator for releasing the latch unit, and Further, a motor of another release actuator for releasing the full-open latch device is required, so that an arrangement space for disposing the latch device in the door is increased, and the cost is increased.
[0005]
The present invention has been made in view of the above-described problems of the related art, and it is possible to perform a closing operation of a latch unit, a releasing operation of a latch unit, and a releasing operation of a fully opening latch device with one motor. It is an object of the present invention to provide a vehicle door latch device that can be used.
[0006]
[Means for Solving the Problems]
According to the present invention, the above-mentioned problem is solved as follows.
(1) A latch unit capable of holding a door openably and closably provided on a vehicle body in a closed state and a motor displacing the latch unit from a half-latch state to a full-latch state, and the door from a half-door state to a fully-closed state. And a drive unit for moving the motor in a forward direction and a reverse direction by rotating the motor in two directions, a closing direction and a release direction, from a neutral position. Closing means for displacing the latch unit from a half-latched state to a full-latched state by pivoting in a direction, and a full-open latch device capable of holding the door in a fully open state by pivoting the pivoting member in a release direction. Release operation for fully opening the door to allow the door to close, and rotation of the rotation member in the release direction. , The latch unit is released actuated, providing a fully-closing release means allowing the door opening of the door.
[0007]
(2) In the above item (1), a rotating member, a closing means, a fully-opening release means, and a fully-closed release means are respectively arranged on one side of the base plate of the drive unit, and A motor is arranged on the other side.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a vehicle provided with a slide door (2) to which the present embodiment is applied, FIG. 2 is a front view of a door latch device, FIG. 3 is a front view of a main part of the door latch device, and FIGS. FIG. 4 is an operation explanatory view of a main part of the drive unit (4) showing each state.
[0009]
(1) a sliding door (hereinafter, referred to as a door) supported on a vehicle body panel so as to be openable and closable in a front-rear direction; A latch unit (3) that engages with the striker of (1) and holds the door (2) in a closed state, a closing function of displacing the latch unit (3) from a half-latched state to a full-latched state, And a drive unit (4) having a release function of releasing the full-open latch device (40).
[0010]
As shown in FIG. 1, the full-open latch device (40) is attached to a lower part of the front part of the door (2), and engages with a striker (not shown) provided on the vehicle body side when the door (2) is fully open. Thus, the door (2) is held in the fully opened state. A remote control device (42) formed inside the door (2) includes various levers and the like connected to a door handle (41) for door opening operation provided on the vehicle outside of the door (2). Is installed.
[0011]
The latch unit (3) houses a meshing mechanism in a body (31) fixed to the door (2) by bolts (not shown). As shown in FIG. 3, the engagement mechanism is pivotally attached to the body (31) and engages with the latch (32) that can be engaged with and disengaged from the striker, and engages with the latch (32) to open the latch (32). A pole (33) for preventing rotation in the direction indicated by an arrow in FIG. 3) is formed.
[0012]
The latch (32) is in an open position (corresponding to an open state of the door (2)) disengaged from the striker with the closing movement of the door (2), and a half-latch position (door (2)) that barely engages with the striker. The door (2) can be turned to a full latch position (corresponding to a fully closed state of the door (2)) which is completely engaged with the striker.
[0013]
The drive unit (4) has a base plate (7) fixed to the base plate (34) of the latch unit (3). A forward / reverse rotatable motor (8) is mounted. A sector gear (10), which is a rotating member pivotally mounted by a pivot (9), and a coaxial (9) coaxial with the sector gear (10) are provided on the inner side of the base plate (7) on the vehicle side (the front side in FIG. 2). An output lever (11) serving as closing means pivotally connected to the handle, a handle lever (13) pivotally connected to the pivot (12), and a full-open release serving as full-open release means pivotally connected to the pivot (14). A lever (15), a first fully-closed release lever (16) that forms a fully-closed release means that is pivotally mounted on the same axis (14) as the fully-open release lever (15), and a pivot (17). And a second release lever for full closure (19), which is a release means for full closure, connected to the first release lever for full closure (16) via a coupling lever (18) in the left-right direction. ing. In this way, by disposing the motor (8) outside the base plate (7) and the various levers above the vehicle, interference between the motor (8) and the various levers can be avoided, and the drive unit (4) The thickness can be reduced.
[0014]
When the door (2) is in the half-door state and the latch (32) is rotated from the open position to the half-latch position, the motor (8) sets the position in the body (31) of the latch unit (3). The forward rotation control is performed when the half-latch detection switch (35) is detected, and the reverse rotation control is performed when an operation switch (not shown) provided in the driver's seat or the like is operated.
[0015]
The sector gear (10) has a tooth portion (10a) provided on the outer peripheral edge thereof meshed with an output gear (20) of a reduction mechanism for reducing the rotation of the motor (8), and is shown in FIGS. The motor (8) is rotated from the neutral position shown in FIG. 10 to the closed position shown in FIGS. 5 and 6 and the release position shown in FIGS. 7 and 8 by the forward rotation of the motor (8).
[0016]
The sector gear (10) has an arc-shaped swing part (21a) centered on the pivot (9), and an engaging part (21b) extending in a centrifugal direction from substantially the center of the swing part (21a). A T-shaped engagement / disengagement hole (21) is provided.
[0017]
The output lever (11) has a long hole (11a) directed in the centrifugal direction that overlaps with the engaging / disengaging hole (21) of the sector gear (10). , The engagement pin (22) is slidably fitted.
[0018]
When the engagement pin (22) is fitted in the engagement portion (21b) of the engagement / disengagement hole (21), the output lever (11) together with the sector gear (10) is used in FIGS. From the neutral position shown in FIG. 10, the closed position shown in FIGS. 5 and 6 and the release position shown in FIGS. 7 and 8, and the engagement pin (22) is fitted to the idle swing part (21a). When they are engaged, the engaging pin (22) idles with respect to the idle swing portion (21a), so that the sector gear (10) is returned to the neutral position by the spring (25) regardless of the position. It has become.
[0019]
When the output lever (11) is rotated from the neutral position to the closed position by the sector gear (10), the engaging portion (11b) provided at the end is slidable on the body (31) in the vertical direction. The latch (32) is rotated from the half-latch position to the full-latch position via a pivoting lever (37) that can rotate integrally with the supported close lever (36) and latch (32). I have.
[0020]
When the output lever (11) rotates from the neutral position to the release position together with the sector gear (10), the output lever (11) comes into contact with the contact portion (15b) provided on the release lever (15) for full opening. The release lever (15) for full opening pivots from the standby position shown in FIGS. 2 to 6, 9 and 10 in the release direction (the direction indicated by the arrow A) to the release position shown in FIGS. It can be rotated.
[0021]
The full-open release lever (15) has a connecting portion (15a) provided at the upper end connected to the release mechanism of the full-open latch device (40) via a cable (43), and rotates from the standby position to the release position. By being moved, the latch device (40) for full opening is released via the cable (43) so as to be released from the striker, and the engagement provided on the upper end of the first release lever (16) for full closing. By engaging with the part (16a), the first release lever (16) for full closing is rotated from the standby position shown in FIGS. 2 to 6 to the release position shown in FIGS.
[0022]
When the first release lever (16) for full closing is rotated to the release position, the second release lever (19) for full closure is moved to the standby state shown in FIGS. 2 to 6 via the connecting lever (18). From the position to the release position shown in FIGS. (26) is a spring for urging the first and second release levers (16) and (19) for full closing to the standby position.
[0023]
When the second release lever (19) for full closing is moved to the release position, the pawl (33) is rotated in the release direction via the connecting lever (38) pivotally mounted below the body (31). To release from the latch (32), and release the latch unit (3).
[0024]
The handle lever (13) is provided at the upper end so that when the door handle (41) is operated to open the door, the handle lever (13) rotates from the standby position shown in FIGS. 2 to 8 to the release position shown in FIGS. The connecting portion (13a) is connected to the remote control device (42) via the cable (44).
[0025]
When the handle lever (13) is rotated to the release position, the pressing portion (13b) provided at the lower end abuts on the engaging pin (22), and the engaging pin (22) is brought into contact with the engaging pin (22). Against the urging force of the spring (24) acting between the output lever (11) and the engaging portion (21b) of the engagement / disengagement hole (21), the engaging portion (21b) is engaged with the idle swing portion (21a). And the engaging portion (13c) provided near the pressing portion (13b) engages with the contact portion (16b) provided on the first release lever (16) for full closing. Thereby, the first release lever (16) for full closure can be rotated to the release position.
[0026]
Next, each operation in the above-described embodiment will be described.
(Close operation)
When the door (2) in the open state is closed, the latch (32) of the latch unit (3) first pivots to the half-latch position, which barely engages the striker. When the half-latch detection switch (35) detects the half-latch position of the latch (32), the motor (8) is controlled to rotate forward, and the sector gear (10) and the output lever (11) are moved from the neutral position to the positions shown in FIGS. As shown in FIG. 6, it is rotated to the closed position.
[0027]
When the output lever (11) is turned to the closed position, the latch (32) is forcibly turned from the half latch position to the full latch position via the close lever (36) and the turning lever (37). Thereby, the door (2) is moved from the half door state to the fully closed state. When the door (2) is fully closed, the full latch position of the latch (32) is detected by a full latch detection switch (39) provided inside the body (31). Then, the sector gear (10) and the output lever (11) return to the neutral position and stop at that position.
[0028]
(Release operation by motor drive)
When the remote control key or the release operation switch provided on the door is operated, the motor (8) is controlled to rotate in the reverse direction, and the sector gear (10) and the output lever (11) are moved from the neutral position to FIGS. Is rotated to the release position.
[0029]
When the output lever (11) is rotated to the release position, as shown in FIGS. 7 and 8, the full-open release lever (15) is rotated to the release position, and the output lever (15) is moved through the full-open release lever (15). Then, the first release lever (16) for full closing is also moved from the standby position to the release position. Thus, when the door (2) is in the fully opened state, that is, when the fully opened latch device (40) is engaged with the striker, the fully opened release lever (15) is used to release the fully opened latch device (40). By performing the release operation, the engagement between the full-open latch device (40) and the striker is released, and the door (2) can be closed. When the door (2) is in the fully closed state, that is, when the latch (32) of the latch unit (3) is engaged with the striker, the fully closed release means (fully closed first release lever (16), By releasing the latch unit (3) with the connecting lever (18) and the second release lever (19) for fully closing to release the pawl (33) from the latch (32), the door (2) is opened. Can be opened.
[0030]
(Release operation by door handle operation)
When the door (2) is in the fully closed state and the door handle (41) is opened, the handle lever (13) is moved from the standby position through the remote control device (42) and the cable (44). 9 and the release position shown in FIG.
[0031]
When the handle lever (13) is rotated to the release position, this rotation causes the first release lever (16) for full closing to rotate from the standby position to the release position, and the connecting lever (18) for full closure. The door (2) in the fully closed state can be opened by releasing the latch unit (3) via the second release lever (19) and the connecting lever (38).
[0032]
When the door (2) is fully opened, when the door handle (41) is closed, the cable (45) connecting the remote control device (42) and the release mechanism of the fully open latch device (40) is connected. Through this, the fully-open latch device (40) is released, and the door (2) in the fully-open state can be closed.
[0033]
When the door is opened, the handle lever (13) releases the latch unit (3) and engages the engaging pin (22) with the engaging / disengaging hole (21) provided in the sector gear (10) as described above. ) Can be moved from the engaging portion (21b) to the idle swing portion (21a) to release the connection between the sector gear (10) and the output lever (11).
[0034]
Therefore, for example, as described above, while the latch (32) is forcibly moved from the half-latch position to the full-latch position by the motor (8), a foreign object is caught between the door (2) and the vehicle body. In the case of equality, the door handle (41) is opened and the handle lever (13) is turned to the release position to release the linkage between the output lever (11) and the sector gear (10). In addition, the closing operation can be canceled and the door (2) can be opened.
[0035]
As described above, one embodiment of the present invention has been described. However, various modifications and changes can be made to the above embodiment without departing from the spirit of the present invention.
For example, when it is not necessary to cancel the closing operation of the motor (8) by opening the door handle (41), the sector gear (10) and the output lever (11) are integrally formed. And the like.
[0036]
【The invention's effect】
(A) According to the first aspect of the invention, the closing operation of the latch unit and the release operation of the latch unit and the fully-open latch device can be performed by one motor. Therefore, the arrangement space in the door is advantageous, and the cost can be reduced.
[0037]
(B) According to the invention of claim 2, in addition to the effect of the invention according to claim 1, the drive unit can be made thinner, and the arrangement space in the door becomes more advantageous.
[Brief description of the drawings]
FIG. 1 is a perspective view of a vehicle including a slide door to which one embodiment of the present invention is applied.
FIG. 2 is a front view of the door latch device.
FIG. 3 is a front view of a main part of the door latch device in a neutral state.
FIG. 4 is a rear view of a main part of the drive unit in a state in which the state of FIG.
FIG. 5 is a front view of a main part of the drive unit during a closing operation.
FIG. 6 is a rear view of the state of FIG. 5 as viewed from the rear side (back side in the drawing).
FIG. 7 is a front view of a main part of the drive unit when a release operation is performed by a motor.
FIG. 8 is a rear view of the state of FIG. 7 viewed from the rear side (back side of the paper).
FIG. 9 is a front view of a main part of the drive unit when the release operation is performed by the door handle.
FIG. 10 is a rear view of the state of FIG. 9 viewed from the rear side (back side of the paper).
[Explanation of symbols]
(1) Door latch device (2) Sliding door (door)
(3) latch unit (4) drive unit (7) base plate (8) motor (9) pivot (10) sector gear (rotating member)
(10a) Tooth (11) Output lever (closing means)
(11a) slot (11b) engaging portion (12) pivot (13) handle lever (13a) connecting portion (13b) pressing portion (13c) engaging portion (14) pivot (15) release lever for full opening (for full opening) Release means)
(15a) Connecting part (15b) Contact part (16) First release lever for full closure (release means for full closure)
(16a) engaging portion (16b) contact portion (17) pivot (18) connecting lever (release means for full closing)
(19) Fully closed second release lever (fully closed release means)
(20) Output gear (21) Engagement / removal hole (21a) Missing part (21b) Engagement part (22) Engagement pin (24) (25) (26) Spring (31) Body (32) Latch (33) Pole (34) Base plate (35) Half latch detection switch (36) Close lever (37) Rotating lever (38) Connection lever (39) Full latch detection switch (40) Fully open latch device (41) Door handle (42) Remote control Equipment (43) (44) (45) Cable

Claims (2)

  1. A latch unit provided on the vehicle body and capable of holding a door that can be opened and closed in a closed state, and a motor displacing the latch unit from a half-latched state to a full-latched state and moving the door from a half-door state to a fully-closed state. A vehicle door latch device comprising a drive unit;
    A rotating member rotatable in two directions from a neutral position to a closing direction and a releasing direction by forward and reverse rotation of the motor;
    Closing means for displacing the latch unit from a half latch state to a full latch state by rotating the rotating member in a closing direction;
    Full-open release means for releasing the fully-open latch device capable of holding the door in a fully-open state by rotating the rotating member in the release direction, and enabling the door to be closed,
    A door latch device for a vehicle, further comprising release means for fully closing the latch unit by releasing the latch unit by rotation of the rotation member in a release direction, thereby enabling the door to be opened.
  2. A rotating member, a closing means, a fully-open release means, and a fully-closed release means are respectively arranged on one side of the base plate in the drive unit, and a motor is arranged on the other side of the base plate. Item 4. The vehicle door latch device according to Item 1.
JP2003082828A 2003-03-25 2003-03-25 Vehicle door latch device Active JP4261230B2 (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003082828A JP4261230B2 (en) 2003-03-25 2003-03-25 Vehicle door latch device

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JP4261230B2 JP4261230B2 (en) 2009-04-30

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007308942A (en) * 2006-05-17 2007-11-29 Mitsui Mining & Smelting Co Ltd Remote-control unit for door latch for vehicle
JP2008115615A (en) * 2006-11-06 2008-05-22 Aisin Kiko Co Ltd Vehicle door lock system
JP2011144631A (en) * 2011-03-02 2011-07-28 Mitsui Kinzoku Act Corp Remote control device of vehicle door latch
US8376417B2 (en) 2008-07-30 2013-02-19 Aisin Seiki Kabushiki Kaisha Door latch apparatus for vehicle
JP2013163966A (en) * 2013-04-03 2013-08-22 Aisin Kiko Co Ltd Vehicle door lock system
US8967680B2 (en) 2012-06-28 2015-03-03 Mitsui Kinzoku Act Corporation Vehicle door closer device
US9328540B2 (en) 2012-08-31 2016-05-03 Mitsui Kinzoku Act Corporation Vehicle door latch system
US9670700B2 (en) 2012-09-13 2017-06-06 Mitsui Kinzoku Act Corporation Door latch system for vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6483353B2 (en) * 2014-05-29 2019-03-13 三井金属アクト株式会社 Vehicle door opening and closing device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007308942A (en) * 2006-05-17 2007-11-29 Mitsui Mining & Smelting Co Ltd Remote-control unit for door latch for vehicle
JP4700561B2 (en) * 2006-05-17 2011-06-15 三井金属アクト株式会社 Remote control device for vehicle door latch
JP2008115615A (en) * 2006-11-06 2008-05-22 Aisin Kiko Co Ltd Vehicle door lock system
US8376417B2 (en) 2008-07-30 2013-02-19 Aisin Seiki Kabushiki Kaisha Door latch apparatus for vehicle
JP2011144631A (en) * 2011-03-02 2011-07-28 Mitsui Kinzoku Act Corp Remote control device of vehicle door latch
US8967680B2 (en) 2012-06-28 2015-03-03 Mitsui Kinzoku Act Corporation Vehicle door closer device
US9068379B2 (en) 2012-06-28 2015-06-30 Mitsui Kinzoku Act Corporation Vehicle door closer device
US9328540B2 (en) 2012-08-31 2016-05-03 Mitsui Kinzoku Act Corporation Vehicle door latch system
US9670700B2 (en) 2012-09-13 2017-06-06 Mitsui Kinzoku Act Corporation Door latch system for vehicle
JP2013163966A (en) * 2013-04-03 2013-08-22 Aisin Kiko Co Ltd Vehicle door lock system

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