JP2854807B2 - Door closing device for automobile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an open position in which the striker is completely disengaged from the striker when the door is opened, a half-latch position in which the striker is slightly engaged when the door is partially closed, and a full latch in which the striker is completely engaged when the door is fully closed. The present invention relates to a door closing device for an automobile door in which a latch member is rotatably supported by a lock body and a latch member is forcibly rotated from the half latch position to the full latch position by power.

[0002]

2. Description of the Related Art Conventionally, as a door closing device for an automobile door,
There is one disclosed in Japanese Utility Model Laid-Open No. 1-122162. That is, when the driving device is operated, the latch is forcibly moved from the half lock position to the full lock position, and when the door is fully closed, for example, an object is caught in a gap between the door and the vehicle body. In such a case, when the door handle is opened, the drive device is controlled, the motor rotates in the reverse direction, and the door can be opened.

[0003]

However, in the prior art, it takes a long time for the door handle to be opened and the motor to rotate in the reverse direction to return the latch to the original position. There was a problem that the door could not be opened. In order to solve this problem, the applicant of the present application has disclosed a case in which the door is urgently opened while the close lever is being operated in the earlier application (application related to Japanese Patent Application No. 5-189631). By operating the door handle, the outside lever is released to release the pawl from the latch via various levers, and the outside lever comes into contact with the shaft of the open lever and is in the engaged position. Forcibly move the open lever to the release position, remove the engagement part of the sub pole from the latch,
It proposes that the link between the drive device and the latch is cut off and the door can be opened immediately. In this proposal, there is a problem that the urgent opening operation of the door at the time of forced closing is limited to the operation of the door handle.

Accordingly, the present invention has been made in view of the problems of such technology, and the door can be immediately opened at the time of forcibly closing the door. It is an object of the present invention to provide an automobile door closing device capable of improving safety by enabling the door to be opened by various locking and unlocking operations.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the gist of the present invention is to provide an open position where the striker (17) is completely separated from the striker (17) when the door is opened, and a slight distance from the striker (17) when the door is partially closed. The latch member (30) is rotatably supported on the lock body (21) between a half-latch position for engaging with the striker (17) and a full-latch position for completely engaging with the striker (17) when the door is completely closed. In a vehicle door closing device in which a latch member (30) is forcibly rotated from the half latch position to the full latch position, the latch member (30) is disengaged from the latch member (30), and the latch member (30) is disengaged. A locking plate (40) that cannot be pivotally locked to the full latch position, and a releasing operation of the locking plate (40) to rotate the latch member (30). Release lever (8 to allow
0), an operating lever (60) that rotates between an operating position and a standby position by a power (70), and the latch member (3).
0) and the latch member (30).
The latch can be moved to a disengageable position where it cannot be engaged by being separated from the latch, and is interlocked with an operating lever (60) that rotates from the standby position to the operating position when in the engaged position. A closing lever (50) forcibly rotating the member (30) from a half-latch position to a full-latch position, and both ends of the closing lever (50) and the release lever (80) are connected to each other, and a forced closing is performed. When the locking plate (40) is released by the release lever (80) during operation, the closing lever (50) moves from the engaged position to the disengaged position, and the latch member (30) is provided with a connecting member (90) rotatable to the open position.

[0006]

When the door is closed and the latch member (30) is in the half-latch position, the operating lever (60) is driven by the power (70).
Rotates from the standby position to the operating position, and the closing lever (50) at the engaging position interlocks with the operating lever (60),
The closing lever (50) forcibly rotates the latch member (30) from the half latch position to the full latch position, whereby the door is fully closed. At this time, the locking plate (40) is engaged with the latch member (30), and the latch member (30) is restrained from rotating in the full latch position. When the close lever (50) is forcibly rotating the latch member (30) from the half latch position to the full latch position, when an object or the like is caught in the gap between the door and the vehicle body, for example, What is necessary is just to operate the outside handle and the inside handle connected to the release lever (80), and various unlocking operation members. When various unlocking operation members are operated, the release lever (80) is interlocked, and the locking plate (40) is released from the restraint operation so that the latch member (30) is rotatable.

When the release lever (80) releases the locking plate (40), the connecting member (90) moves the close lever (50) from the engaged position to the non-engaged position, and 50) is separated from the latch member (30), and the latch member (30) can be completely rotated.

Thus, the door can be opened immediately regardless of which of the various unlocking operation members is operated, and safety can be improved.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1 to FIG.
0 has a rear opening 12 and a back door 15 for opening and closing the rear opening 12 is provided. Rear opening 1
A striker 17 is fixedly provided at the lower edge of the second door 2, and a door lock device 20 is provided at the back door 15. The lock body 21 of the door lock device 20 includes a latch member 30.
Are pivotally connected by a shaft 23, and an engagement groove 32 is formed in the latch member 30 so as to be disengageable from the striker 17. A lock plate 40 is pivotally attached to the lock body 21 by a shaft 26, and has a claw portion 42 that can be disengaged from a half latch engagement portion 33 or a full latch engagement portion 34 formed on the latch member 30. The pawl portion 42 prevents the latch member 30 from rotating toward the open position by engaging with the half latch engaging portion 33 or the full latch engaging portion 34. By a spring member (not shown) provided between the latch member 30 and the locking plate 40,
The claw portion 42 of the locking plate 40 is urged in a direction to engage with the half latch engagement portion 33 or the full latch engagement portion 34 of the latch member 30.

As shown in FIGS. 1 and 4 to 6, the latch member 30 has an open position separated from the striker 17 and a claw portion of the locking plate 40 when the striker 17 is slightly engaged with the engagement groove 32. 42 is the half latch engagement part 3
6, the half latch position shown in FIG.
2, the striker 17 is completely engaged, and the claw portion 42 of the locking plate 40 is rotatably supported at a full latch position where the claw portion 42 is engaged with the full latch engagement portion 34. A pin 35 to be pushed is implanted in the latch member 30. A detection switch 36 for detecting that the latch member 30 has rotated to the half-latch position is provided. A close lever 50 is pivotally attached to the lock body 21 by a shaft 28 so as to be rotatable. The closing lever 50 is urged by a spring member 51 in a direction to rotate clockwise in FIG. A long hole 52 is formed in the close lever 50, and the shaft 28 is fitted in the long hole 52 so as to be relatively movable. The shaft 28 causes the closing lever 50 to rotate counterclockwise in FIG.
0 is engaged with the pin 35 to be pushed, and a non-engagement position where one end 53 of the closing lever 50 is not engaged with the pin 35 to be pushed even when the close lever 50 is similarly rotated counterclockwise. It is movably supported. At the other end of the closing lever 50, a pressed flange portion 54 is formed, and a pin member 55 is implanted. Close lever 5
0 is urged by the spring member 56 in the direction to move to the engagement position. The lock body 21 includes a power unit 70 described later.
Thus, the operating lever 60 is supported by the shaft 28 so as to be rotatable between an operating position in which the latch member 30 is forcibly rotated from the half latch position to the full latch position via the closing lever 50 and a standby position. The operating lever 60 is substantially L
A pressing portion 64 for pressing the pressed flange portion 54 of the closing lever 50 is formed at one end of the operating lever 60. The operating lever 60 is also urged clockwise in FIG. 5 by the spring member 51.

As shown in FIG. 1 to FIG.
Is connected to a base member 71 supporting a power unit 70,
The power unit 70 includes a motor 72, a reduction mechanism 73, and a drive desk 7.
4 and a motor arm 75. The motor arm 75 is swingably supported by the shaft 29, and extends in directions substantially orthogonal to each other with the shaft 29 as a starting point. A long hole 76 extending in an arc shape is provided in one of the extending portions. Drilled,
A drive pin 74 a, which is implanted on the periphery of the drive desk 74 and rotates integrally with the drive desk 74, is movably fitted in the long hole 76. The other extension 77 is provided with the operating lever 6.
The other end 67 of the operating lever 60 extends to a position where the operating lever 60 can be pushed in so as to rotate the 0 from the standby position to the operating position. A release lever 80 is swingably supported on the lock body 21 by the shaft 26. Release lever 80
Of the locking plate 40 is attached to one end of the locking plate 40.
, And a locking end 82 for releasing the locking plate 40 from the latch member 30 against the urging force is formed.

One end of a connecting member 90 is connected to the other end 84 of the release lever 80, and the other end of the connecting member 90 extends toward the operating lever 60. A long hole 92 is formed in the other end, and the connecting member 90 is guided by the guide pin 24 fitted in the long hole 92 in conjunction with the release lever 80 so as to be able to reciprocate. Also, the connecting member 90
A substantially arc-shaped hole 95 is drilled in the other end of the lock lever 50 so that the pin member 55 of the close lever 50 is fitted so as to be relatively movable. Is such that the connecting member 90 is not interlocked, and
When the connecting member 90 is actuated by the release lever 80, the pin member 55 of the close lever 50 is pushed and pulled by the hole edge of the substantially arc-shaped hole 95 so that the close lever 50 moves between the engaged position and the disengaged position. It is made movable. The connecting member 90 is urged by the spring member 98 in the direction of moving upward in FIG.

Next, the operation will be described. When the back door is closed and the latch member 30 is rotated to a position slightly beyond the half-latch position shown in FIG.
Is detected, and the motor 72 starts. When the motor 72 starts, the drive desk 74 rotates through the speed reduction mechanism 73, the drive pin 74a rotates integrally with the drive desk 74, and the edge of the elongated hole 76 is pushed into the drive pin 74a.
The motor arm 75 swings counterclockwise in FIG. When the motor arm 75 swings, the extending portion 77 pushes the other end 67 of the operating lever 60 to move the operating lever 60.
Rotates counterclockwise in FIG. Operating lever 60
With this rotation, the pressed flange portion 54 of the close lever 50 is pushed, and similarly, it rotates counterclockwise in FIG. When the close lever 50 rotates, the close lever 50 is in the engaged position,
The one end 53 of the zero contacts the pin 35 to be pushed and pushes it. Thereby, the latch member 30 is
It turns clockwise, and as shown in FIG.
The engagement groove 32 draws the striker 17.

Further, when the motor 72 rotates, the drive desk 74 rotates, and the drive pin 74a pulls in the edge of the elongated hole 76, and the motor arm 75 swings clockwise in FIG. Then, the motor 72 stops rotating. When the motor arm 75 returns to the original position, the spring member 5
The urging force of 1 causes the closing lever 50 and the operating lever 60 to rotate clockwise in FIG. As a result, one end 53 of the closing lever 50 is
5, the latch member 30 is rotated clockwise in FIG. 7 by the urging force, but the claw portion 42 of the locking plate 40 is engaged with the full latch engagement portion 34 of the latch member 30, and the latch member 30 is turned. It is immovably restrained at the full latch position. Until the closing lever 50 forcibly rotates the latch member 30 and returns to the start position, the pin member 55 of the closing lever 50 is connected to the substantially arc-shaped hole 9 of the connecting member 90.
Move within 5.

As shown in FIG. 7, when the close lever 50 is forcibly rotating the latch member 30 from the half latch position to the full latch position, the lower edge of the back door 15 and the peripheral edge of the rear opening 12 are moved. When an object or the like is caught in the gap therebetween, for example, an outside handle, an inside handle, and other various unlocking members (not shown) that can operate the release lever 90 may be operated. For example, when the handle is operated, the open lever 18 to the sub lever 19
7, the locking lever 82 rotates counterclockwise in FIG. 7, and the locking end 82 of the release lever 80 locks with the claw 42 of the locking plate 40, and the locking plate is pressed against the urging force. 7 is rotated in the counterclockwise direction in FIG. 7, the locking plate 40 is released from the restraint operation, and the latch member 30 is made rotatable.

When the release lever 80 releases the locking plate 40, the connecting member 90 moves downward in FIG. 7 against the urging force of the spring member 98, and a substantially arc-shaped hole of the connecting member 90 is formed. The edge of the hole 95 pulls the pin member 55 of the close lever 50 downward, and moves the close lever 50 from the engaged position to the non-engaged position as shown by a broken line in FIG. When the one end 53 of the close lever 50 is separated from the pin 35 to be pushed by the latch member 30, the locking plate 40 has been released from the restraint operation, so that the latch member 30 can rotate to the open position. Thereby, the back door 15 can be opened immediately. When the back door 15 is immediately opened during the forced closing operation, not only the outside handle and the inside handle, but also various other unlocking operation members may be operated, thereby further improving safety. it can. When the forcible closing operation of the back door 15 is completed and the locking plate 40 restrains the latch member 30 at the full latch position so as not to rotate, for example, when the handle is operated, the release lever 80 is interlocked, and the connecting member 90 is connected. , The closing lever 50 is moved from the engaged position to the disengaged position, and the locking plate 40 is released from the restraint operation.
As shown in FIG. 8, the locking plate 40 is detached from the latch member 30, the latch member 30 can be turned to the open position, and the back door 15 can be opened.

[0017]

According to the vehicle door closing apparatus of the present invention, various unlocking members can be connected to the release lever. With such a configuration, even if the forced closing operation is being performed. When the various unlocking operation members are operated, the locking plate is released from the latch member, and the close lever is moved from the engaged position to the disengaged position, so that the latch member can rotate to the open position. The door can be opened immediately, and safety can be improved.

[Brief description of the drawings]

FIG. 1 is a plan view of a main part of a door closing device for an automobile showing an embodiment of the present invention.

FIG. 2 is a side view of an embodiment of the present invention, showing a state in which a door closing device for an automobile door is attached.

FIG. 3 is a front view of an automobile door closing apparatus according to an embodiment of the present invention.

FIG. 4 is a view taken in the direction of the arrow IV in FIG. 2;

FIG. 5 is a plan view of a main part of an apparatus for closing a door of an automobile according to an embodiment of the present invention.

FIG. 6 is an operation explanatory view of a door closing device for an automobile door according to an embodiment of the present invention.

FIG. 7 is an operation explanatory view of a door closing device for an automobile door according to an embodiment of the present invention.

FIG. 8 is an operation explanatory view of an automobile door closing apparatus according to an embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 10 vehicle body 15 back door 17 striker 20 door lock device 21 lock body 30 latch member 40 locking plate 50 closing lever 60 operating lever 70 power unit 80 release lever 90 connecting member

Claims (1)

(57) [Claims] An open position where the striker is completely disengaged from the striker when the door is opened, a half latch position where the striker is slightly engaged when the door is half closed, and a full latch position where the striker is completely engaged when the door is fully closed. Wherein the latch member is supported on the lock body, and the latch member is forcibly rotated from the half-latch position to the full-latch position by power. A locking plate capable of locking the latch member at the full latch position so that the latch member cannot rotate, a release lever configured to release the locking plate so as to rotate the latch member, and an operating position and a standby position by power. An actuating lever that pivots in the direction indicated by the arrow, an engagement position engageable with the latch member, and a non-engageable The latch member is forcibly moved from the half-latch position to the full-latch position in conjunction with an operation lever which is movable to an engagement position and rotates from the standby position to the operation position when in the engagement position. A rotating close lever, both ends of which are connected to the close lever and the release lever, respectively, and when the locking plate is released by the release lever during a forced closing operation, the closing lever is A connecting member that moves from the engaged position to the non-engaged position and allows the latch member to rotate to the open position.