JP2003148024A - Door lock device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door lock device for an automobile preventing the door opening of a door mating section in the case of a side-face collision while independently conducting the open-close operation of a front door and a sliding door respectively. SOLUTION: In the door lock device for the automobile in which one door opening 3a formed to a side panel (a car-body side section) 3 is opened and closed by the front door 10 disposed on the front side of the door opening 3a and the sliding door (a rear door) 11 disposed on the rear side, a door connecting mechanism being composed of a door lock 23 and a lock pin 30 and connecting the front door 10 and the sliding door 11 by a door mating section A for both doors 10 and 11 is installed, and the connection is released when the opening operation of door handles 12 to 15 for the front door 10 or the sliding door 11 is conducted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a center pillarless type door lock device for an automobile in which one door opening formed in a side portion of a vehicle body is opened and closed by a front door and a rear door.

[0002]

2. Description of the Related Art In a center pillarless type vehicle,
A front door rotatably supported by a hinge at the front edge of the door opening is provided in front of the door opening formed on the side of the vehicle body, and a guide rail or the like is provided behind the door opening. There may be a case where a sliding door supported so as to be slidable in the vehicle front-rear direction is provided (for example, in Japanese Utility Model Laid-Open No. 57-454
20).

In this type of automobile, it is general to dispose door lock devices independently on the front door and the slide door.

[0004]

However, in the above-mentioned center pillar-less type automobile, when the front door and the slide door are independently locked, the front door and the slide door are not locked when a side collision occurs. There is a risk that the mating portion may open, and in some cases the door may enter the passenger compartment.

In order to prevent the opening of the door mating portion at the time of such a side collision, the slide door is regarded as a center pillar and a striker is arranged on the slide door, and a latch which engages with the striker is provided on the front door. It is conceivable to connect the mating portions of both doors by arranging.

However, in the case of adopting the structure in which the latch of the front door is engaged with the striker of the slide door to connect the door mating portions, the opening of the door at the time of a side collision can be avoided, but the front door, There is a problem in that the order of opening and closing the slide door is restricted and the opening and closing operation becomes complicated. That is, in the case of the connection structure of the latch and the striker, the slide door cannot be opened and closed independently, and it is necessary to open the Freund door first when opening the slide door, and when the front door is closed, the slide door is first opened. Must be closed.

The present invention has been made in view of the above situation, and can prevent the opening of the door fitting portion at the time of a side collision and can open and close the front door and the slide door independently of each other. The purpose is to provide a device.

[0008]

According to the invention of claim 1, one door opening formed in a side portion of a vehicle body is provided with a front door arranged in front of the door opening and a rear door arranged in the rear side. A door lock device for an automobile adapted to be opened and closed by a rear door is provided with a door connecting mechanism for connecting the front door and the rear door at door mating portions of the both doors, and the door connecting mechanism is provided for the front door or the rear door. When any one of the door handles is opened, the connection is released.

Here, the front door and the rear door are, for example, slide doors which are opened and closed by sliding them in the vehicle front-rear direction, or so-called side-opening pivotally supported by a hinge at the edge of the door opening. Both doors are included.

According to a second aspect of the present invention, in the first aspect, the door connecting mechanism is provided with a lock pin disposed at one of the front door and the rear door and having a hook-shaped engaging portion at a tip end, and the other. And a door lock which is disposed on the door and which engages with the engaging portion of the lock pin in a disengageable manner.

[0011]

According to the door lock device of the first aspect of the present invention, since the door joining portions of the front door and the rear door are joined by the door joining mechanism, the joint rigidity of the door joining portion can be increased. It is possible to prevent the door mating portion from opening when a side collision occurs, and prevent the door from entering the passenger compartment.

Further, when the door handle of either the front door or the rear door is opened, the connection of the door fitting portions is released, so that the front door and the rear door can be opened and closed independently. Therefore, the opening / closing operation can be easily performed.

According to a second aspect of the present invention, the door connecting mechanism includes a lock pin having a hook-shaped engaging portion and a door lock that meshes with the lock-shaped engaging portion of the lock pin. Therefore, the door mating portions of the front door and the rear door can be firmly connected with a simple structure, and there is an effect that the door opening at the time of a side collision can be prevented more reliably.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.

1 to 8 are views for explaining a vehicle door lock device according to an embodiment of the present invention. FIG. 1 is a perspective view of an automobile provided with the door lock device of the present embodiment. 2 is an overall configuration diagram of the door lock device, FIG. 3 is a cross-sectional plan view of the door lock device (cross-sectional view taken along the line III-III of FIG. 1), and FIG. 4 is a perspective view of the door lock of the door lock device.
5 is a perspective view of a lock pin of a door lock device, FIG. 6 is a view showing a lock pin connection release operation, FIG. 7 is a view showing a front door opening / closing operation, and FIG. 8 is a view showing a slide door opening / closing operation. is there.

In FIG. 1, reference numeral 1 denotes a center-pillar-less type vehicle, in which a vehicle body 2 has a roof panel 4 disposed between the upper ends of left and right side panels 3, 3 and a floor panel disposed between the lower ends thereof. (Not shown) has a schematic structure in which a passenger compartment is formed.

The side panel 3 is provided on the side panel 3.
Is formed with one door opening 3a that extends to ½ or more of the area. The door opening 3a is a front pillar 5 extending in the vehicle vertical direction, a roof rail 6 connected to an upper end portion of the front pillar 5 and extending rearward of the vehicle, and a lower end portion of the front pillar 5 being substantially parallel to the roof rail 6. And a rear pillar 8 that is connected to the rear end of the rocker panel 7 and the rear end of the roof rail 6 and extends in the vertical direction.

The door opening 3a is provided with a front door 10 for opening and closing the front side of the door opening 3a and a slide door 11 for opening and closing the rear side of the door opening 3a. This front door 1
0 is pivotally supported on the front pillar 5 via a hinge member (not shown) so as to be openable and closable in the vehicle width direction. The slide door 11 is supported by a guide rail 11a so as to be slidable in the vehicle front-rear direction.

Outer and inner door handles 12, 13 are provided on the vehicle outer side surface and the vehicle inner side surface of the front door 10, respectively.
Is provided. Further, outer and inner door handles 14 and 15 are provided on the outer side surface and the inner side surface of the slide door 11, respectively.

A rear end wall 10a of the front door 10;
The sliding door 11 is opposed to the front end wall 11a with a predetermined gap, and the facing portion is a door fitting portion A. Further, a weather strip 17 for sealing the gap of the door fitting portion A is attached to the flange portion 11b provided on the inner side edge of the slide door 11.

The front door 10 and the slide door 11
A door lock device 20 is provided in the door lock device 20, and the door lock device 20 has the following structure.

The front door 10 is provided with a first rail for locking the upper end of the rear edge of the front door 10 to the roof rail 6.
A front lock member 21, a second front lock member 22 for locking the lower end of the rear edge to the rocker panel 7, and the front door 10 at the vertical center of the door fitting portion A.
And a door lock 23 that constitutes one side of a door connecting mechanism 20a that connects the slide door 11 with the slide door 11.

The first and second front lock members 21,
22 and the latch member 23a of the door lock 23 are connected to the front remote control 25 via control rods 21a, 22a and 23c, respectively. On the front remote control 25, the outer and inner door handles 12, 13 are mounted on the control rod 12.
a and 13a are connected.

The door lock 23 is provided with a latch member 23a and a meshing portion 23b, and is disposed inside a housing portion 10b provided on the rear end wall 10a. The latch member 23a is arranged so as to be rotatable about the axis a and positioned and biased in the engagement state shown by the solid line in FIG.

The latch member 23a is disengaged when the door handle 12 or 13 of the front door 10 is opened, and the latch member 23a is rotated to a position where it does not interfere with a lock pin 30 described later even when the front door 10 is opened. It is designed to move. In addition, the engagement portion 23b is the accommodation portion 1
0b, the engagement piece 35 of the lock pin 30 is disengaged. Note that 10c is an insertion groove formed in the rear end wall 10a, and this is an escape groove for the lock pin 30 to move in and out when the front door 10 is opened and closed with the slide door 11 closed.

The slide door 11 has a first rear lock member 27 for locking the lower end of the front edge of the slide door 11 to the rocker panel 7, and a rear pillar 8 for the central portion of the rear edge.
A second rear lock member 28 that is locked to and a lock pin 30 that constitutes the other side of the door connecting mechanism 20a are provided.

The first and second rear lock members 27, 2
8. Lock pin 30 is control rod 27
It is connected to the rear remote control 31 via a, 28a and 30a. The rear remote control 31 includes the outer and inner door handles 14, 1
5 is connected via control rods 14a and 15a.

The lock pin 30 can be retracted from the housing portion 11b provided in the front end wall 11a of the slide door 11 toward the door lock 23. The tip end of a link plate 32 pivotally supported by a support shaft 31 is connected to the rear end of the lock pin 30.

More specifically, a substantially L-shaped cam groove 30b is formed at the rear end portion of the lock pin 30, and the cam groove 3 is formed.
A connecting pin 32a, which is planted at the tip of the link plate 32, is inserted in 0b. The control rod 30a is connected to the rear end of the link plate 32. In this way, the lock pin 30 moves backward and forward of the control rod 30a to enter the front door 10 and is connected to the door lock 23, and is retracted and stored in the slide door 11. It is possible to move back and forth from the storage position.

An engaging piece 3 is provided at the tip of the lock pin 30.
5 is rotatable by the pin 35a, and the lock pin 30
It is arranged so that it can appear and disappear inside. A connecting groove 35b is formed in the engaging piece 35, and the tip end portion of the link rod 36 is inserted into the connecting groove 35b.

The rear end of the link rod 36 is fixed to the connecting pin 32a of the link plate 32. The engaging piece 35 protrudes from the lock pin 30 and meshes with the meshing portion 23b when the slide door 11 is in the door closed position, and retracts into the lock pin 30 when moving in the door opening direction to form the meshing portion 23b. The engagement of is released.

Next, the operation of the door lock device 20 will be described. When both the front door 10 and the slide door 11 are closed, as shown in FIG. 3, the engagement piece 35 of the lock pin 30 on the slide door 11 side is moved to the front door 1.
The latch member 23a on the front door 10 side is meshed with the meshing portion 23b on the 0 side, and is rotated to the engaging position to lock the lock pin 3
It is engaged with the inner side surface of the vehicle. This prevents movement of the front door 10 and the slide door 11 in the opening direction.

When a load acts on one of the doors due to a side collision, the lock pin 30 and the door lock 2
Since 3 and 3 are engaged so as to prevent movement in the vehicle width direction, the above load is also carried by the other door,
Therefore, it is possible to avoid opening the door fitting portion A.

When the outer operation of the front door 10 or the inner door handles 12, 13 is pulled and the opening operation is performed, the remote controller 25 unlocks the first and second front lock members 21, 22 in accordance with the opening operation, and The latch member 23a of the door lock 23 is rotated to the unlocked position to unlock the latch member 23a and the lock pin 30. As a result, the front door 10 is independently opened without any trouble because the lock pin 30 does not interfere with the latch member 23a and also passes through the insertion groove 10c of the rear end wall 10a (FIGS. 7A to 7C). )reference).

When the front door 10 is closed, the latch member 23a of the door lock 23 rotates to the lock position and the first and second front lock members 21 and 22 are locked. Further, at this time, the front door 10 rotates to the closed position, and at the same time, the engaging piece 35 engages with the meshing portion 23b, and thus the both doors 10 and 11 are connected at the door mating portion A.

Next, with the front door 10 and the slide door 11 closed (see FIGS. 6A and 8A),
Outer of slide door 11 or inner door handle 1
When the opening operation of 4, 15 is performed, the remote controller 31 causes the first and second rear lock members 27, 28 to be accompanied by the opening operation.
Unlock. The link plate 32 is shown in FIG.
When the link rod 36 is rotated to the position of (b), the engagement piece 3
5 is rotated counterclockwise in the drawing to be immersed in the lock pin 30. The lock pin 30 does not move at this point. As a result, the engagement between the engagement piece 35 and the engagement portion 23b is released (see FIGS. 6B and 8B). When the link plate 32 further rotates, the lock pin 3
0 is retracted and stored in the slide door 11. As a result, the slide door 11 is independently opened without interfering with the door lock 23 (see FIGS. 8C to 8D).

When the sliding door 11 is closed, the lock pin 30 advances into the front door 10, the engaging piece 35 projects and engages with the engaging portion 23b, and the first and second rear lock members 27 and 28 are locked. To be done.

Thus, the door lock device 2 of this embodiment
According to No. 0, the lock pin 30 is provided on the slide door 11, and the lock pin 30 is provided on the front door 10.
A door lock 23 that engages with the
Since 1 is connected at the door mating portion A, the door mating portion A
It is possible to increase the joint rigidity of the door, prevent the door mating portion A from opening at the time of a side collision, and prevent the doors 10 and 11 from entering the vehicle interior.

Further, the engagement piece 35 is disposed in the lock pin 30 so as to be retractable, and the engagement piece 35 is engaged with the engagement portion 23b of the door lock 23. Then, the latch member 23a is attached to the inner surface of the lock pin 30 on the vehicle interior. Since it is engaged, it is possible to prevent the lock pin 30 and the door lock 23 from being disengaged from each other by an external force, and thus the disengagement of both doors from each other, so that the opening of the door fitting portion A can be more reliably prevented.

In this embodiment, when the latch member 23a of the door lock 23 is moved in the closing direction of the front door 10, the closing operation is not obstructed by the lock pin 30 and a force in the opening direction is applied. When this happens, the latch member 23a engages with the lock pin 30, and the front door 10 can be reliably held in the closed state. When the door handles 12 and 13 of the front door 10 are opened, the latch member 23a is rotated to the unlock position, and when the door handles 14 and 15 of the slide door 11 are opened, the lock pin 30 is opened. Since the engagement with the door lock 23 is released, the front door 10 and the slide door 11 can be individually opened and closed with a simple structure, and the opening and closing operation can be easily performed.

[Brief description of drawings]

FIG. 1 is a perspective view of an automobile provided with a door lock device according to an embodiment of the present invention.

FIG. 2 is an overall configuration diagram of the door lock device.

FIG. 3 is a sectional plan view of the door lock device (III- of FIG.
It is a sectional view taken along line III).

FIG. 4 is a perspective view of a door lock of the door lock device.

FIG. 5 is a perspective view of a lock pin of the door lock device.

FIG. 6 is a diagram showing a connection release operation of the lock pin.

FIG. 7 is a diagram showing an opening / closing operation of a front door of the door lock device.

FIG. 8 is a diagram showing an opening / closing operation of a slide door of the door lock device.

[Explanation of symbols]

1 car 3 Side panel (vehicle body side) 3a door opening 10 front door 11 Sliding door (rear door) 12,13 Door handle for front door 14,15 Door handles for sliding doors. 20 Door lock device 23 Door lock (door connection mechanism) 30 lock pin (door connection mechanism) 35 Engagement Piece (Engagement Part) A Door fitting part

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 2E250 AA21 HH01 JJ31 KK01 LL02                       LL04 MM01 PP03 PP04 PP12                       PP13 QQ03 QQ04

Claims (2)

[Claims] 1. A door of an automobile, wherein one door opening formed in a side portion of a vehicle body is opened and closed by a front door arranged in front of the door opening and a rear door arranged in rear of the door opening. In the lock device, a door connecting mechanism is provided for connecting the front door and the rear door at the door mating portions of the both doors, and the door connecting mechanism is operated to open either the door handle of the front door or the rear door. A door lock device for an automobile, characterized in that it is configured to release the connection even at times. 2. The door connecting mechanism according to claim 1, wherein the door connecting mechanism is provided on one of the front door and the rear door, and has a lock pin having a hook-shaped engaging portion at a tip thereof, and the other door. A door lock device for an automobile, comprising: a door lock in which an engaging portion of the lock pin is disengageably engaged.