JPH0712789B2 - How to open and close the sliding door of a car - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for opening and closing a slide door in an automobile, and more particularly to a method for opening and closing a slide door extended to a roof portion of a vehicle body.

(Prior Art) Conventionally, a sliding door opening / closing mechanism in an automobile generally has a structure as disclosed in, for example, Japanese Utility Model Laid-Open No. 57-174671.

That is, as shown in FIG. 12, a slide door 23 that opens and closes by opening and closing an entrance 22 formed on the side surface of the vehicle body 21.
The upper guide rail 24, the lower guide rail 25, and the center guide rail 26 are arranged on the vehicle body side so that the upper and lower portions of the front end portion thereof and the vertically intermediate portion of the rear end portion thereof are arranged on the vehicle body side. It is slidably supported by.
Further, at the front end portions of the guide rails 24, 25, 26, bending path portions 24a, 25a, 26a that bend inward in the vehicle width direction, respectively.
Is formed, the slide door 23 is displaced outward in the vehicle width direction by moving the slide door 23 in the front-rear direction by guiding the slide door 23 through these bending path portions at the beginning of opening the slide door 23 so that the slide door 23 becomes an outer surface of the vehicle body 21. The slide door 23 is configured to be moved rearward along the outer surface of the vehicle body 21 in the front-rear direction so as not to interfere with each other.

(Problems to be solved by the invention) By the way, in order to improve the entry / exitability, in a vehicle in which the entrance / exit on the side of the vehicle body is opened to the roof part, if the entrance / exit is opened / closed by a sliding door, The sliding door opening / closing mechanism cannot be opened / closed because the upper part of the sliding door interferes with the roof part of the vehicle body.

In view of such a conventional situation, the present invention provides a slide door that can be smoothly opened / closed by a slide door even when the entrance / exit is opened to the roof portion of the vehicle body. It is intended to provide an opening / closing method.

(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention tilts the upper part of the sliding door outward from the closed state with the lower part of the slide door as a fulcrum by an appropriate angle, and the tilting is performed. In this state, move the slide door forward and backward while displacing it outwardly in the width direction of the vehicle body, then move it forward and backward to open the entrance and exit, and move the slide door in the reverse order to close the entrance and exit. It is a feature.

(Operation) Since the present invention has the above-mentioned configuration, the upper portion of the slide door can be displaced above the roof portion of the vehicle body by slightly tilting the slide door with the lower portion as a fulcrum, thereby preventing interference with the roof portion. It can be eliminated, and by displacing the slide door outward in the vehicle width direction while moving in the front-back direction in that state, the slide door can be prevented from interfering with the side surface of the vehicle body, and then the slide door can be moved in the front-back direction. The entrance / exit can be opened, and as a whole, the entrance / exit can be smoothly opened by a series of operations in which the slide door is pulled outward and then moved in the front-rear direction. Also, the reverse operation can close the entrance / exit.

(Embodiment) An embodiment of the present invention will be described below with reference to FIGS. 1 to 10.

In FIG. 2, reference numeral 1 is a vehicle body of an automobile, and an entrance / exit 2 is provided on both side surfaces thereof. The entrance / exit 2 is opened to the roof of the vehicle body 1. Reference numeral 3 denotes a slide door that opens and closes the entrance / exit 2, and an upper portion thereof extends toward the roof portion so that the opened roof portion can be closed.

When the sliding door 3 is opened and closed, as shown in FIG. 1, a posture A in which the entrance 2 is closed, and a posture B in which the lower portion is a fulcrum and the upper portion is tilted by an appropriate angle outside the vehicle width direction. The posture is changed in the vehicle width direction between the posture C and the posture C that is displaced outwardly by the appropriate distance in the tilted posture. In the tilted posture B, the upper portion of the slide door 3 is displaced above the roof portion of the vehicle body 1, and thus the slide door 3 moves in the front-back direction of the vehicle body 1 while moving from the posture B to the posture C. However, the upper part of the sliding door 3 does not interfere with the vehicle body. or,
Since the slide door 3 is moved in the vehicle body front-rear direction when moving from the posture B to the posture C, it can be continuously and smoothly moved when moving rearward in the vehicle body front-rear direction in the posture C. By moving backward in posture C, the entrance / exit 2 is opened as shown in FIG.

Next, a specific structure of the support mechanism for opening and closing the slide door 3 in this way will be described with reference to FIGS.

As shown in FIG. 3, a mounting bracket 4 is attached to an intermediate position in the vertical direction at the rear of the entrance / exit 2 of the vehicle body 1. Further, as shown in FIG. 7, a guide rail 6 is arranged on the rocker portion 5 at the lower edge of the entrance / exit 2.

In FIG. 4, a pair of curved tilt guide rails 7 are mounted on both sides of the mounting bracket 4. 8
Is a support bracket, tilt guide rollers 9 are arranged on both sides of the lower part so as to sandwich the tilt guide rails 7, and one end 10a of a pair of center arms 10 is freely rotatable on the upper part. Is pivotally attached to. As shown in FIGS. 5 and 6, the other end 10b of the center arm 10 is pivotally attached to the movable bracket 11 on the slide door 3 side with an appropriate interval. The support bracket 8, the center arm 10 and the movable bracket 11 constitute a parallel link mechanism. The movable bracket 11
A pair of upper and lower guide rollers 12 are mounted on the upper part of the guide bar 13 provided on the slide door 3, respectively.
Is movably clamped.

A pivot bracket 14 is fixed to the lower part of the front end of the slide door 3, as shown in FIGS. 4 and 6 to 10.
One end of the lower arm 15 is rotatably pivotally attached. At the other end of the lower arm 15, a movable bracket 16 which is movable along the guide rail 6 is pivotally mounted. A horizontal support guide surface 6a is formed on the lower portion of the guide rail 6,
A downward guide groove 6b is formed in the upper part, and the support roller 17 mounted on the moving bracket 16 is provided with a support guide surface 6a.
The pair of guide rollers 18 rolls up and is guided and moved in the guide groove 6b. At the front end of the guide rail 6, as shown in FIGS. 7 and 8,
The width of the guide groove 6b is set to be larger than the diameter of the guide roller 18, and the movable bracket 16 vertically swings from a posture in which it is tilted at an appropriate angle as shown in FIG. 7 to a horizontal posture as shown in FIG. When the slide door 3 is closed, the movable bracket 16 and the lower arm 15 are arranged so as to be inclined as shown in FIG.

In the above configuration, when the slide door 3 closes the entrance / exit 2, the slide door 3 is in the state of posture A in FIG. 2, and at that time, the center arm 10 and the lower arm 15 are along the longitudinal direction of the vehicle body. The moving bracket 16 is tilted by a predetermined angle as shown in FIG.
When the slide door 3 is unlocked and pulled outward in the vehicle width direction from this state, the support bracket 8 is attached to the tilt guide rail 7 while the center arm 10 and the lower arm 15 are stationary due to the rotation resistance. The sliding door 3 tilts outward with the supporting point of the supporting roller 17 provided on the lower moving bracket 16 as a fulcrum. Then, as shown in FIG.
When the guide roller 18 of the moving bracket 16 engages with the outer wall of the guide groove 6b in the guide rail 6, the slide door 3
Can't tilt any further. Then, when the slide door 3 is moved outward while pulling the slide door 3 outward, the center arm 10 and the lower arm 15 are projected outward in the vehicle width direction with the slide door 3 tilted as described above. Then, as shown by the solid line in FIGS. 5 and 9, the slide door 3 moves outward by a predetermined distance. Although not shown, the center arm 10 and the lower arm 15 are appropriately locked in a state of being rotated outward so that they do not wobble during the movement of the slide door 3. Then, when the slide door 3 is pushed backward, the guide bar 13 at the middle portion of the slide door 3 is pushed.
Is movably supported by the guide roller 12 of the movable bracket 11 at the other end of the center arm 10, and the lower front end is movably supported along the guide rail 6 by the moving bracket 16 via the lower arm 15. Therefore, the slide door 3 is guided by the guide bar 13 and the guide rail 6 to move rearward, and the entrance 2 is opened as shown in FIG.

Next, when closing the slide door 3,
Is pushed forward, the slide door 3 is guided by the guide rail 6 and the guide bar 13 to move to the front moving end, and then is pushed inward in the vehicle width direction while moving the slide door 3 forward. By,
The center arm 10 and the lower arm 15 are unlocked, rotate inward in the width direction of the vehicle body, and finally the slide door 3 is returned and tilted inward to close the door 2.

In the above embodiment, the slide door 3 is attached to the center arm.
10 is movably supported via the lower arm 15 and the engagement point between the support roller 17 and the guide rail 6 in the moving bracket 16 at the other end of the lower arm 15 is used as the fulcrum at the time of tilting. As described above, the slide door 3 is supported only by the center arm 10, and the fulcrum at the time of tilting is
A fulcrum shaft 19 is provided on both sides of the slide door 3, and a locking bracket 20 for locking the fulcrum shaft 19 is provided on the vehicle body side so as to be able to escape outward in the vehicle width direction. The fulcrum may be configured by the engagement of the bracket 20.

The present invention is not limited to the above embodiments, but can be implemented in various other modes.

(Effect of the Invention) According to the sliding door opening / closing method of the present invention, the entrance / exit can be closed by tilting the upper part of the slide door downward from the closed position with the lower part of the slide door as a fulcrum. Even when the roof of the vehicle body is opened, it is possible to prevent the upper part of the sliding door from engaging with the vehicle body. After displacing a suitable distance,
By moving in the front-rear direction, the entrance / exit can be opened, and the entrance / exit opened to the roof can be smoothly opened / closed by the slide door.

[Brief description of drawings]

FIGS. 1 to 10 show an embodiment of the present invention, and FIG. 1 shows each posture when the sliding door is opened / closed.
Front view from the direction of arrow I, FIG. 2 is an overall perspective view with the slide door opened, FIG. 3 is a perspective view showing the mounting state of the vehicle body and the mounting bracket, and FIG. 4 is an exploded perspective view of the support mechanism of the slide door. 5, FIG. 5 is a vertical sectional front view of a support mechanism by a center arm of a slide door, FIG. 6 is a perspective view of the slide door as viewed from the inside, FIG. 7 is a front view of a support mechanism by a lower arm of the slide door, and FIG. Is a front view of the sliding door in a tilted state, FIG. 9 is a front view of the sliding door displaced outward in the vehicle width direction by a predetermined distance, and FIG. 10 is a plan view of a lower arm supporting mechanism. FIG. 11 is an exploded perspective view of another embodiment, and FIG. 12 is a perspective view of a conventional example. 1 …… Body 2 …… Entrance / exit 3 …… Sliding door 7 …… Tilting guide rail 8 …… Support bracket 10 …… Center arm 11 …… Moveable bracket 13 …… Guide bar

Claims (1)

[Claims] 1. A method of opening and closing a slide door which is opened on a side surface of a vehicle body and partially opened to a roof part, wherein a lower part of the slide door is used as a fulcrum to open an upper part of the slide door. Tilt the vehicle outward in the width direction by an appropriate angle, and in this tilted state, move the slide door forward and backward while displacing the door outward in the vehicle width direction for an appropriate distance, and then move it forward and backward to open the entrance / exit, and reverse the order. A sliding door opening / closing method for an automobile, characterized in that the sliding door is moved to close the entrance / exit.