JPH0764200B2 - Autostop mechanism for sliding doors - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic stopper mechanism for a slide door, and in particular, when the slide door is arbitrarily moved to a desired position and stopped, the stopped state can be maintained at that position. It is related to the mechanism.

(Prior Art) For example, in a slide door of an automobile, as shown in FIG. 3, a slide door 33 that opens and closes an entrance / exit 32 formed on a side surface of a vehicle body 31 is arranged so as to be movable in the vehicle front-rear direction. ing. The support mechanism of the slide door 33 includes guide rollers (not shown) arranged at the upper and lower ends of the front end of the slide door 33 and at the intermediate positions in the vertical direction of the rear end.
Are movably supported along upper guide rails 34, lower guide rails 35, and center guide rails 36 arranged on the vehicle body side.

And as an automatic stopper mechanism for stopping the slide door 33 at an arbitrary position, a stopper mechanism for constantly braking the slide door 33 is appropriately provided with a guide rail and a slide door.
It is proposed that the stopper mechanism is released during the operation of the opening / closing handle 37 provided on the outer surface of the slide door 33.

(Problems to be Solved by the Invention) However, in such an automatic stopper mechanism, when opening / closing the slide door 33, it is necessary to keep the open / close handle 37 in an operating state at all times. There is a problem in operability when doing. There is also a problem that the structure becomes complicated because a mechanism for interlocking the opening / closing handle 37 and the stopper mechanism is required.

SUMMARY OF THE INVENTION It is an object of the present invention to solve such a problem and provide an automatic stopper mechanism that can be stopped at an arbitrary position without impairing the opening / closing operability of a slide door and performing no special operation. .

(Means for Solving the Problems) In order to achieve the above object, the present invention pivotally mounts a swing lever on a slide door which is guided along a guide rail, and a tip of the swing lever contacts a side surface of the guide rail. An elastic roller that rolls in contact with each other is attached, and a space between the swing axis of the swing lever and the side surface of the guide rail is set such that the swing lever is in a vertical posture with respect to the side surface of the guide rail. At this time, the elastic roller is set so as to be compressed, and means for urging the swing lever in a vertical posture is provided.

(Operation) Since the present invention has the above-described structure, when the slide door moves, the elastic roller rolls along the side surface of the guide rail in a posture in which the swing lever swings rearward in the moving direction, so that the slide door moves smoothly. Move to. When the movement of the slide door is stopped, the swing lever is urged toward the vertical posture, and the elastic roller is pressed against the side surface of the guide rail and compressed, so that it stops with a light braking force applied. Also,
When the sliding door tries to move in the direction opposite to the moving direction, the rocking lever is tilted in the forward direction, so that the elastic roller at the tip of the sliding door is further pressed against the side surface of the guide rail to generate a strong braking force. To work. Further, when the slide door moves in the moving direction against the light braking force, when the slide door is strongly pressed and moved in the opposite direction to the moving direction, the swing lever is moved. By compressing the elastic roller and moving it in the opposite direction beyond the vertical position, the tilted position causes a strong braking force to act on the sliding door in the first moving direction. .

(Embodiment) An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. Reference numeral 1 is a slide door, and a mounting bracket 3 is attached to a lower end of a front end of the sliding door via a support bracket 2. A support roller 7 rolling on a guide support surface 6 of a lower guide rail 5 arranged on the vehicle body 4 is attached to the tip of the mounting bracket 3, and a guide roller bracket 8 fixed to the mounting bracket 3 is attached. A guide roller 10 that rolls in a downward guide groove 9 above the lower guide rail 5 is mounted on the upper part of the lower guide rail 5. Further, a swing lever 12 is pivotally attached to a tip of a support arm 11 fixed to the guide roller bracket 8 so as to be horizontally swingable around a vertical pivot shaft 13. An elastic roller 15 made of a rubber roller or the like is attached to the tip of the swing lever 12. This elastic roller
The reference numeral 15 is arranged in front of the support roller 7 and the guide roller 10 in the front-rear direction of the vehicle body 1 so as not to impair the opening stroke of the slide door 1. Further, the rocking lever 12 uses a torsion spring 14 so that the lower guide rail 5
It is always urged to attach to the side face 16 of the to take a vertical posture. On the side surface 16 of the lower guide rail 5 on which the elastic roller 15 rolls, a corrugated plate 17 having corrugated corrugations in the longitudinal direction is attached. The distance between the axial position of the pivot shaft 13 and the surface of the uneven plate 17 is set smaller than the distance between the axial position of the pivot shaft 13 and the outer circumference of the elastic roller 15, The elastic roller 15 is compressed when it is in a vertical posture with respect to the uneven plate 17 of 12, and in a natural state, the rocking lever resists the biasing force of the torsion spring 14.
The 12 is configured so as to be inclined in either direction.

In the above configuration, when the slide door 1 is moved in the direction of arrow A in FIG. 1 from the closed state, the slide door 1 is supported by the supporting roller 7 in the vertical load and the guide roller 10 in the vehicle width direction. You are guided and move to the rear of the vehicle. At that time, as shown by the phantom line in FIG. 1, the swing lever 12 is in a posture of swinging in the direction opposite to the moving direction of the slide door 1, and the elastic roller 15 at the tip thereof is on the surface of the uneven plate 17. And the unevenness of the uneven plate 17 is overcome by the rocking lever 12 rocking against the biasing force of the torsion spring 14.

When the movement of the slide door 1 is stopped at an arbitrary position, the elastic roller 15 is compressed by the swing lever 12 being urged toward the neutral position, so that the braking is temporarily stopped at that position.

In this state, when a slightly large external force acts on the slide door 1 in the direction of the arrow A and exceeds the braking force by the compression reaction force of the elastic roller 15, the slide door 1 starts to move, but the uneven plate
When the elastic roller 15 engages with the convex portion 17a of 17, the movement is stopped.

Further, when a slightly large external force acts in the direction opposite to the direction of the arrow A, the swing lever 12 is tilted obliquely forward and the elastic roller 15 at its tip is engaged with the uneven plate 17, A force that further strongly compresses the elastic roller 15 acts, and a strong braking force acts. Also, the torsion spring 14
When the urging force of the rocking lever 12 due to the force is small and the engagement stopping force due to the compression reaction force of the elastic roller 15 is small, or when a larger external force is applied, the elastic roller 15 may roll. In this case, the elastic roller 15 is the convex portion 17 of the uneven plate 17.
A strong braking force acts by engaging with a and stopping.

Further, at the stop position, a large external force acts on the slide door 1 in the direction of arrow A, the swing lever 12 further swings, and the elastic roller 15 rides over the convex portion 17a of the uneven plate 17, so that the slide door 1 moves. If you want to move as it is,
The slide door 1 is strongly pressed in the direction opposite to the arrow A direction to change the swing lever 12 from the posture shown by the phantom line in FIG. 1 to the posture inclining to the opposite side beyond the vertical posture. Then, similarly to the above, a strong braking force acts on the movement of the slide door 1 in the arrow A direction.

Further, when the sliding door 1 is closed again from the stop position, the sliding door 1 is strongly pressed in the direction opposite to the arrow A direction in the same manner as described above to move the swing lever 12 from the state shown by the phantom line in FIG. The slide door 1 can be closed as it is by reversing the posture inclined to the direction.

In the above embodiment, the side surface 16 of the guide rail 5 has an uneven plate 17
However, if the elastic roller 15 is strongly pressed against the side surface 16 by increasing the biasing force of the torsion spring 14 of the swing lever 12 to the vertical posture, It is possible to achieve the above-described effects even if the unevenness 17a is lowered, the uneven surface 17 is omitted to form a rough surface, a lining made of a material having a large friction coefficient is applied, or a smooth surface is left as the case may be.

Further, in the above embodiment, the example in which the automatic stopper mechanism is arranged on the lower guide rail is shown, but it may be arranged on the upper guide rail or the center guide rail.

(Effect of the Invention) According to the automatic stopper mechanism of the slide door of the present invention,
When the sliding door stops moving, a light braking force is applied because the elastic roller is compressed, and when the sliding door tries to move in the direction opposite to the moving direction, the tip of the rocking lever that tilts diagonally forward Since the elastic roller of is further strongly pressed against the side surface of the guide rail, a strong braking force acts, and when the sliding door moves in the moving direction against the light braking force, When the slide door is strongly pressed and moved in the direction opposite to the moving direction, the swing lever swings in the opposite direction over the vertical posture while compressing the elastic roller. Works. Therefore, there is an effect that the slide door can be stopped at an arbitrary position without impairing the operability at the time of opening and closing the slide door and without performing a special operation, and the configuration is simple and inexpensive.

[Brief description of drawings]

FIG. 1 is a partially cutaway plan view of an essential part of an embodiment of the present invention, FIG. 2 is a vertical sectional side view of the same, and FIG. 3 is a perspective view showing a supporting state of a slide door. 1 …… Slide door 5 …… Guide rail 12 …… Swing lever 13 …… Pivot shaft 14 …… Torsion spring 15 …… Elastic roller 16 …… Side of guide rail 17 …… Concave plate

Claims (2)

[Claims] 1. A rocking lever is pivotally attached to a slide door which is guided along a guide rail, and an elastic roller which rolls in contact with a side surface of the guide rail is attached to the tip of the rocking lever. A distance between the swing axis of the rocker and the side surface of the guide rail is set so that the elastic roller is compressed when the rocking lever is in a vertical posture with respect to the side surface of the guide rail. An automatic stopper mechanism for a slide door, which is provided with means for urging the swing lever in a vertical posture. 2. A ruggedness is formed on a side surface of the guide rail on which the elastic roller rolls.
An automatic stopper mechanism for a slide door according to item.