JP3032427B2 - Sliding door for vehicle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door provided at the entrance of a vehicle so as to be slidable via rollers.

[0002]

2. Description of the Related Art Generally, in a sliding door provided at an entrance of a vehicle, a traveling roller is rotatably supported via a reinforcement in a lower portion of an inner panel constituting the sliding door. The slide door is slid via the rollers so as to run on guide rails arranged below the entrance.

In an automobile equipped with the above-mentioned slide door, for example, as disclosed in Japanese Utility Model Laid-Open Publication No. 1-108818, when the slide door is closed, the slide door is prevented from rattling against the vehicle body. For this purpose, a down stopper composed of a mail hook and a female hook to which the mail hook can be fitted is provided. That is, for example, the mail hook is attached to one side edge of the sliding door in the sliding direction, and the female hook is attached to the opening edge of the entrance of the vehicle body via bolts, and the female hook of the mail hook is attached. By mating to
When the slide door is closed, the slide door is prevented from being accidentally rattled to the vehicle body.

[0004]

Since a large impact load is applied to the mounting portion of the slide door when the down stopper is mounted when the slide door is closed, the rigidity of the mounting portion of the down stopper must be sufficiently ensured. However, if a separately formed reinforcing member is attached to the down stopper attaching portion, the number of parts and the number of assembling steps increase accordingly.

The present invention focuses on the fact that a traveling roller is mounted via a reinforcement in the vicinity of a mounting position of a down stopper in the slide door. An object of the present invention is to provide a vehicle slide door capable of sufficiently increasing the rigidity of a mounting portion of a down stopper without increasing the number of parts and the number of assembling steps.

[0006]

According to the present invention, in order to achieve the above object, a reinforcement 4 is provided on the inner surface of the front part of the slide door 2 and the slide door is connected via the reinforcement 4. 2, the roller 6a
Along with mounting the roller arm 5 supporting the 6b, a reinforcing wall portion 8 for integrally reinforcing the mounting portion of the down stopper 7 at the front end of the slide door 2 is integrally formed at the front end of the reinforcement 4, The down stopper 7 is attached to the front end of the slide door 2 via a reinforcing wall portion 8.

[0007]

According to the present invention, the rollers 6a and 6b are supported.
Since the roller arm 5 is supported by the slide door 2 not only through the reinforcement 4 but also through the reinforcing wall 8 integrally formed with the reinforcement 4, the number of parts and assembly The support strength of the roller arm 5 with respect to the slide door 2 is increased without increasing the number of man-hours, and even if the down stopper 7 is provided, the roller arm 5 can be provided not only through the reinforcing wall portion 8 but also through the reinforcement 4. Therefore, the number of parts and the number of assembling steps are not increased.
The strength at which the down stopper 7 is attached to the slide door 2 is also sufficiently high.

[0008]

FIG. 1 schematically shows a cab-over type automobile, in which an entrance / exit 11 is formed on a side portion of a vehicle body 1 and a slide door 2 is moved to the entrance / exit 11 in the front-back direction. The door 2 is freely provided to open the entrance 11 by moving the door 2 rearward, and close the entrance 11 by moving the door 2 forward.

That is, when the slide door 2 is slidably supported on the vehicle body 1 side, the entrance 1
An upper guide rail 3a and a center guide rail 3b extending in the front-rear direction of the vehicle body are provided on the upper side and the center rear side of the vehicle 1, respectively. A lower guide rail 3c extending parallel to the upper guide rail 3a is attached along the guide rails 3a, 3b, 3
c, the slide door 2 is supported via a plurality of rollers, and the slide door 2 is connected to the guide rails 3a, 3a.
The sliding door 2 opens and closes the entrance 11 by guiding and moving along the b and 3c.

The slide door 2 is provided with a plurality of rollers which are inserted and guided by the guide rails 3a, 3b, 3c.

That is, a detailed description will be given with reference to FIG.
The figure shows a mounting portion of the lower guide rail 3a. A reinforcement 4 made of a sheet metal member is spotted on one side surface of a lower front end side corner portion of an inner panel 21 constituting the slide door 2. One end of the roller arm 5 is fixed on the other side of the inner panel 21 facing the reinforcement 4 by welding, and a bolt 51 is fixed to the nut 51 fixed to the reinforcement 4 from the roller arm 5 side. 52 by Nishishime, said Li the roller arm 5 in the inner panel 21
It is fixed via the reinforcement 4.
And the front end side of the roller arm 5, a traction roller 6 b which is rotated about a horizontal axis extending in the vehicle width direction, the run
With a guide roller 6 a to be rotated about a vertical axis perpendicular to the line roller 6 b rotatably supported respectively, by inserting each of these rollers 6a · 6b on the lower guide rail 3c, the By rolling the rollers 6a and 6b along the lower guide rail 3c, the slide door 2 is slid in the front-rear direction with respect to the vehicle body 1.

A mail hook 7a having a convex portion 70a is provided between the front edge of the slide door 2 and the opening edge of the entrance 11 of the vehicle body 1 facing the front edge of the slide door 2. There is provided a down stopper 7 comprising a female hook 7b having a concave portion 70b into which the convex portion 70a of the hook 7a can be fitted.

More specifically, as shown in FIG. 4, the inner panel 2 constituting the front edge of the slide door 2 is provided.
1 near the roller arm 5 and the inner panel 2
Two upper and lower mail hooks 7a at the middle in the vertical direction
Each of the mail hooks 7a is fixed to the vehicle body 1 constituting the opening edge of the entrance 11 while the
The two female hooks 7b facing each other are similarly fixed by bolts 72. In the embodiment shown in the figure, the slide door 2 is attached to the front end of the reinforcement 4.
A reinforcement wall 8 having an L-shaped section is formed integrally with the inner panel 21 constituting the front end edge of the lower wall to reinforce a mounting portion of the lower mail hook 7a.
The lower mail hook 7 in the inner panel 21
The lower mail hook 7a is superimposed on a portion of the inner panel 21 where the reinforcing wall portion 8 overlaps, and the reinforcing wall portion is fixed from the lower mail hook 7a side. Nut 8 fixed to 8
The lower mail hook 7a was fixed to the inner panel 21 via the reinforcing wall portion 8 by screwing the bolt 71 to 1.

In the slide door 2 described above, the roller arm 5 is connected to the inner panel 21 not only through the reinforcement 4 but also through the reinforcing wall 8 integrally formed with the reinforcement 4. Therefore, the supporting strength of the roller arm 5 with respect to the slide door 2 is increased, and even in the lower mail hook 7a, not only the reinforcing wall 8 but also the reinforcement 4 is provided. Therefore, the lower mail hook 7a is attached to the inner panel 21 with a sufficient strength, and the lower mail hook 7a is fixed when the slide door 2 is closed. Even if a large impact load is applied to the mounting portion, there is no problem such as deformation of the mounting portion.

[0015]

As described above, according to the present invention, the reinforcement 4 is disposed on the inner surface of the front portion of the slide door 2 and the inside of the front portion of the slide door 2 is provided through the reinforcement 4 . Roller roller supporting rollers 6a and 6b
At the same time, a reinforcing wall 8 for reinforcing the mounting portion of the down stopper 7 at the front end of the slide door 2 is formed integrally with the front end of the reinforcement 4 so that the reinforcing wall 8 is By attaching the down stopper 7 to the front end of the slide door 2 through the roller 6a, the number of parts and the number of assembling steps are not increased.
The slide arm 2 supporting the roller arm 5 through the reinforcement wall 8 integrally formed with the reinforcement 4 as well as the roller arm 5 supporting the slide door 2;
Therefore, the supporting strength of the roller arm 5 with respect to the slide door 2 increases, and even if the down stopper 7 is provided, not only the reinforcing wall portion 8 but also the reinforcement 4 Since the fixing member is fixed to the slide door 2 through the sliding door 2, the strength of the down stopper 7 to be assembled to the slide door 2 is sufficiently high.
Even when the slide door 2 is closed, even if a large impact load is applied to the mounting portion of the down stopper 7, there is no problem such as deformation of the mounting portion.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a vehicle to which a slide door according to the present invention is applied.

FIG. 2 is an enlarged sectional view taken along line XX in FIG.

FIG. 3 is a sectional view taken along line YY in FIG. 1;

FIG. 4 is an enlarged cross-sectional view of the vehicle body at a down stopper mounting portion.

FIG. 5 is a schematic perspective view of a reinforcement.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Body 11 Elevating opening 2 Sliding door 4 Reinforcement 5 Roller arm 6a / 6b Roller 7 Down stopper 8 Reinforcement wall

Claims (1)

(57) [Claims] A roller (6a) (6) is provided at the entrance (11).
b) a sliding door for a vehicle slidably provided through the reinforcement door (2), a reinforcement (4) is disposed on the inner surface of the front part of the sliding door (2), and the reinforcement (4) is provided through the reinforcement (4). A roller arm for supporting the rollers (6a) (6b) inside the front part of the sliding door (2).
And a reinforcing wall (8) integrally formed at the front end of the reinforcement (4) to reinforce the mounting portion of the down stopper (7) at the front end of the slide door (2). A sliding door for a vehicle, wherein the down stopper (7) is attached to the front end of the sliding door (2) via the reinforcing wall (8).