JPH0338393Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a sliding door device for a vehicle, and more particularly to a sliding door device configured so that a brake is applied immediately before the sliding door device is fully closed.

(Prior Art) Conventionally, sliding door devices have been widely used as side doors of vehicles such as van-type automobiles, in which the door is opened and closed by a door supported so as to be movable in the longitudinal direction of the vehicle body. In this type of sliding door device, the door is guided by a guide rail fixed to the vehicle body, and when it is pulled backwards and opened, it is located on the outside of the side panel behind the door opening, and from this state it moves forward. When the door opening is closed, the door is slid in and out of the vehicle body so that its outer surface is aligned with the outer surface of the side panel.

If you try to close the door by pushing the rear end of the door with your hand without grasping the door handle, the rear end of the door and side panel will move inward to the inside of the vehicle and align with the side panel immediately after the door is fully closed. My hands are caught between them.

In order to prevent the above-mentioned accidents, Japanese Patent Application Laid-Open No. 57-44521 discloses that a brake mechanism is combined with a slide mechanism consisting of a guide rail on the vehicle body side and a guide follower on the door side, and is installed at the door handle position. A sliding door device is disclosed in which the door cannot be opened or closed without operating a brake release handle. However, in the case of a sliding door device equipped with such a brake mechanism, the door cannot be opened or closed unless the brake release handle is operated, so the door must be pushed or pulled forcefully and then released, allowing the inertia force to close the door. It cannot be opened or closed, which is often inconvenient in practical terms.

(Purpose of the invention) The present invention was developed in view of the above circumstances, and it is possible to avoid having to pinch the rear end of the door when trying to close it with your hand, and to allow the user to release their hand from the door handle. It is an object of the present invention to provide a sliding door device for a vehicle that can also be opened and closed by inertial force.

(Structure of the invention) The vehicle sliding door device of the invention is supported on the side of the vehicle body so as to be movable in the front and rear direction,
A door that closes the door opening at the front end position, a roller arm bracket attached to the rear of the door, and a guide that extends in the longitudinal direction of the vehicle and whose front end is bent toward the inside of the vehicle on the outer surface of the side panel behind the door opening. a rail; and a guide roller rotatably supported on the roller arm bracket about a rotation axis substantially perpendicular to the roller arm bracket and rolling along the rail while being positioned on the inner side of the vehicle body. A sliding door device for a vehicle equipped with a roller arm supporting the roller arm, wherein a protrusion formed at the front part of the roller arm, the protrusion being held by the roller arm bracket so as to be movable back and forth and in contact with the extraction part, and the guide roller A resistance member that is pushed forward by the protrusion due to the rotation of the roller arm when the roller moves along the front end of the guide rail; one end is attached to the roller arm bracket and the other end is attached to the resistance member, and the resistance member is always pushed backward. a connecting rod held by the door and connected at one end to the resistance member; and a connecting rod attached to the door and connected to the other end of the connecting rod, through which the resistance member is connected. It is characterized by a door handle that can be moved forward.

(Effect of the invention) In the above configuration, the guide roller moves on the front end of the guide rail just before the door is moved forward and closed, so the front part of the roller arm moves along with this movement. Rotate to face inside the vehicle. At this time, the protrusion of the arm pushes the resistance member forward, but the arm is prevented from rotating due to the interference of the resistance member which is biased backward by the spring. In this case, the guide roller cannot move along the end of the guide rail, and the door cannot easily move forward any further.

If the door is about to be closed by pushing the rear end with your hand, move your hand to the door handle and operate the handle to move the resistance member forward and separate the roller arm protrusion from the resistance member. The door cannot be fully closed unless the pressure is released or loosened. Therefore, there is no need to get your hands caught between the rear end of the door and the side panel.

Furthermore, as mentioned above, the braking effect caused by the interference of the resistance member with the protruding part of the roller arm occurs only when the guide roller moves along the front end of the guide rail (i.e., just before the door is fully closed or at the beginning of the door opening operation). Therefore, in other positions, the door can be opened and closed by inertial forces, similar to conventional devices.

When opening the door, operate the door handle to release or loosen the pressure between the resistance member and the roller arm protrusion, the roller arm can rotate, and the door can be opened easily. .

(Embodiments) Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows a vehicle equipped with a sliding door device according to an embodiment of the present invention. Vehicle 1
The rear door 2 on the cabin side is supported via guide rollers at three locations: a guide rail upper 3, a guide rail lower 4, and a guide rail center 5, which extend in the longitudinal direction of the vehicle body on the cabin side.
It is structured to slide along these guide rails 3, 4, and 5 in the longitudinal direction of the vehicle body. The front end of each guide rail 3, 4, 5 is bent inward to the inside of the vehicle body, so that the door 2 guided by these guide rails 3, 4, 5 cannot close the door opening 6 as shown in the figure. Its outer surface is aligned with the outer surface of the side panel 7, but when pulled rearward open,
It is located on the outside of the side panel 7 behind the door opening 6.

FIG. 2 shows a door 2 moving along the guide rail center 5 fixed to the outer surface of the side panel 7.
It shows the side surface shape of the side mechanism, and FIG. 3 shows its planar shape. A roller arm bracket 8 attached to the rear of the door 2 has a roller arm 10 rotatable about a substantially vertical rotation axis.
is supported. A pair of upper and lower round protrusions 11 and 12 are formed at the front portion (right end in FIG. 2) of this roller arm 10, and three guide rollers 13, 14, and 15 are formed at the inner side of the vehicle body. Each is rotatably supported. When the door 2 is opened or closed, these guide rollers 13, 14, 15 roll along the guide rail center 5.

At a position on the front side of the rotation shaft 9, the roller arm bracket 8 has a long hole 1 extending in the front-rear direction.
6 and 17 are provided, and the upper and lower ends of these elongated holes 16 and 17 are connected to the protruding portions 11 and 17 of the roller arm 10, respectively.
A rod-shaped resistance member 18 facing 12 is inserted therethrough. One end of a spring 19 is supported by the roller arm bracket 8 via the rotation shaft 9, and the other end of a spring 19 is hooked to the resistance member 18, and the resistance member 18 is always held at the rear (first position) by the spring 19. (towards the left in Figure 2).

The rear end of a connecting rod 21 is supported by the resistance member 18 via a rod 20, and the front end of the connecting rod 21 is connected to an upper arm 23 of a door handle 22. A door lock release rod 25 is supported on the lower arm 24 of the door handle 22, and when the door handle 22 is rotated in the direction of arrow A by hooking the front end of the door handle 22 in the direction of arrow A when opening the door 2,
The lower arm 24 rotates in the direction of arrow B and the rod 2
5 forward and remove the lock piece (not shown) provided on the door 2 from the latch piece on the cabin side to release the door lock. At this time, of course, the upper arm 23 also rotates in the direction of arrow B and pulls the connecting rod 21 forward, and its action will be described later. Door handle 22 rotated in the direction of arrow A as described above
is returned to its original position by the action of return springs 26 and 27.

When the door 2 is opened to a certain extent, the guide rollers 13, 14, 15 are located on the straight part behind the inwardly curved front end 5a of the guide rail center 5, and can move freely along the Therefore, in this case, the door 2 can smoothly slide back and forth, and when pushed or pulled with a large force and released, the door 2 moves in the opening or closing direction due to inertia.

When the door 2 is slid in the closing direction and the guide rollers 13, 14, 15 pass the curved front end 5a of the guide rail center 5 as shown in FIG. Arrow C
Try to turn in the direction. At this time, the protrusion 11, which had been in a position away from the resistance member 18,
12 is in strong pressure contact with the resistance member 18 because the roller arm 10 rotates as described above, and the resistance member 1
Trying to push 8 forward. However, as described above, since this resistance member 18 is biased rearward by the spring 19, the roller arm 10 is interfered with by the resistance member 18 and is prevented from rotating in the direction of arrow C. Therefore, the guide roller 13,1
4 and 15 cannot move smoothly along the guide rail center 5, and the sliding movement of the door 2 is braked.

In other words, the brake is applied to the door 2 just before it aligns with the side panel 7 and is fully closed, so even if a person attempts to close the door 2 by pushing the rear end of the door 2 with his/her hand, the door 2 The user's hand will not be caught between the rear end of the rear end and the side panel 7.

Once the sliding movement of the door 2 has been braked as described above, the user places his/her finger on the door handle 22 and rotates the handle 22 in the direction of the arrow A as when the door is opened. Then, as described above, the connecting rod 21 is pulled forward, and the resistance member 18 moves forward (to the right in FIG. 4) against the force of the spring 19. Therefore, the pressure contact between the resistance member 18 and the protrusions 11 and 12 is released or loosened, and the protrusion 1
1 and 12 can overcome the resistance member 18. In other words, the roller arm 10 can now rotate freely, the guide rollers 13, 14, and 15 move smoothly along the guide rail center 5, and the door 2 is fully closed (the state shown in Figure 5). .

As shown in FIG. 5 above, when the door 2 is fully closed, the protrusions 11 and 12 completely overcome the resistance member 18, so the connecting rod 21 is connected to the spring 1.
The action of 9 pulls it backwards, allowing the door to lock.

When opening the door 2 from the fully closed state as described above, the door handle 22 is rotated in the direction of arrow A. Then, as mentioned above, the door lock release rod 2
5 is pulled forward to release the door lock, and the resistance member 18 is moved forward via the connecting rod 21. Therefore, as mentioned above, roller arm 1
0 can now rotate, and the guide rollers 13,
14 and 15 are the front end portions 5a of the guide rail center 5
can be moved smoothly, and the door 2 can be opened easily by sliding lightly.

[Brief explanation of the drawing]

FIG. 1 is a perspective view schematically showing a sliding door device for a vehicle according to an embodiment of the present invention, FIG. 2 is a side view showing essential parts of the sliding door device, and FIG.
FIGS. 4 and 5 are partial plan views showing the main parts of the sliding door device at each door opening/closing position. 1... Vehicle, 2... Door, 5... Guide rail center, 6... Door opening, 7... Side panel,
8...Roller arm bracket, 9...Roller arm rotation axis, 10...Roller arm, 11,1
2... Protrusion of roller arm, 13, 14, 15
...Guide roller, 18...Resistance member, 19...
Spring, 21...Connecting rod, 22...Door handle.

Claims (1)

[Scope of claim for utility model registration] Supported on the side of the vehicle body so as to be movable in the front and back direction,
A door that closes the door opening at the front end position, a roller arm bracket attached to the rear of the door, and a guide that extends in the longitudinal direction of the vehicle body and is bent toward the inside of the vehicle body on the outer surface of the side panel behind the door opening. a rail; and a guide roller rotatably supported on the roller arm bracket about a rotation axis substantially perpendicular to the roller arm bracket, the guide roller rolling along the rail while being positioned on the inner side of the vehicle body. A sliding door device for a vehicle equipped with a roller arm supporting a protrusion formed at a front portion of the roller arm;
a resistance member that is held by the roller arm bracket so as to be movable back and forth, contacts the protrusion, and is pushed forward by the protrusion due to the rotation of the roller arm when the guide roller moves on the front end of the guide rail; a spring having one end attached to the roller arm bracket and the other end attached to the resistance member to constantly urge the resistance member backward; a connecting rod held by the door and having one end connected to the resistance member; and a connecting rod attached to the door. A sliding door device for a vehicle, further comprising a door handle that is connected to the other end of the connecting rod and moves the resistance member forward via the connecting rod.