JPS63297115A - Opening/closing structure of sliding door for vehicle - Google Patents

Abstract

PURPOSE:To narrow the arm space and avoid the need of an arm cover by connecting a sliding member on a door side and a base member on a car body side by a rotary supporting arm and a parallel holding arm and allowing the turning of the door and the parallel holding to be interlocked with each other. CONSTITUTION:A base part 22 on the car body side and a sliding member 38 on the door side are connected through a revolution supporting arm 48. Further, a horizontally supporting arm 54 is installed between the base part 22 and a guide rod 72 installed onto the sliding member 38 through a supporting member 70. The horizontally supporting arm 54 is constituted of the arm parts 58 and 60 connected by a hinge part 56. With such constitution, when a door is operated in the opening direction, the sliding member 38 turns with respect to the base 22 by the turn around the shafts 28 and 46 of the revolution supporting arm 48. At this time, the guide rod 70 moves in sliding in a sliding body 74, and the arm parts 58 and 60 are operated in the spreading direction, and the door and the car body are held in parallel. Therefore, the arm space can be reduced.

Description

[Detailed description of the invention] "Industrial application field" The present invention relates to an opening/closing structure for a sliding door for a vehicle.

"Prior Art" In a vehicle having a sliding door, a bracket is attached to the door opening of the vehicle body, and this bracket has a
One end of the front arm and the rear arm are pivotally connected, and the other ends of both arms are pivotally connected to a sliding body, so that these brackets, both arms, and the sliding body form a parallel link. There is. This parallel link allows the sliding body to
It is designed to be able to rotate relative to the vehicle body while remaining parallel to the vehicle body. Further, the sliding body is slidable on a rail fixed in the front-rear direction of the door, and cooperates with the rail so that the door can be moved in the front-rear direction of the vehicle body.

When opening the door, the door first rotates relative to the vehicle body by the parallel link, and then the rail of the door moves relative to the sliding body to become fully open.

"Problems to be Solved by the Invention" In the above structure, two arms are used and the two arms are spaced apart, so the space required for the arms becomes large.

Further, since the distance between the two arms becomes narrow when the door is closed, there is a risk that a hand may be caught between the two arms. Therefore, in the structure of Japanese Utility Model Application Publication No. 60-152777, a mounting shaft is provided parallel to the arm, and one end of the cover member is pivotally attached to the mounting shaft. When the door is opened, the cover member closes the gap between both arms, and when the door is closed, the cover member rotates and stands upright, so you can place your hand in the narrowed gap between the arms. There is no risk of getting caught.

However, in the structure of the above-mentioned publication, a cover member is provided to cover both arms, so the number of parts increases.

An object of the present invention is to provide an opening/closing structure for a sliding door for a vehicle that can reduce the space required for the arm and also eliminate the need for a cover member that covers the arm.

"Means for Solving the Problems" The present invention comprises a base portion fixed to the vehicle body, a rail fixed in the front and back direction of the door, and a door slidably disposed on the rail and cooperating with the rail. a sliding member that allows the door to move in the longitudinal direction of the vehicle; one end is pivoted to the base portion so that the door can rotate about a first vertical axis, and the sliding member can rotate about a second vertical axis. a rotary support arm, the other end of which is pivotally connected to the sliding member to rotate the door relative to the vehicle body; a parallel holding arm, the other end of which is pivotally connected to the sliding member so as to be rotatable about a horizontal axis of 2, the arm is bendable and keeps the door parallel to the vehicle body; do.

"Function" In the present invention, the sliding member on the door side and the base member on the vehicle body side are connected by a rotation support arm and a parallel holding arm, and when opening the door, the door is first moved by the rotation support arm. The parallel holding arm rotates relative to the vehicle body, and at this time, the parallel holding arm changes from the bent state to the expanded state and maintains the parallel state between the door and the vehicle body. After that, the rail of the door moves relative to the sliding member and becomes fully open, and even at this time, the parallel state of the door and the vehicle body is maintained by the parallel holding arm.

"Embodiments" Hereinafter, preferred embodiments of the present invention will be described based on the drawings.

FIG. 1.2 shows an opening/closing structure of a sliding door for a vehicle according to an embodiment of the present invention, and shows a side surface of the vehicle and a plane inside the vehicle interior, respectively.

A sliding door 12 is provided on the side of the vehicle body 10, and the door 12 can be opened and closed by an opening/closing mechanism 14. Note that 16 and 18 are seats, and 20 is a handle.

Figure 3 shows the interior of the vehicle with the seats removed.
FIG. 4.5 shows the opening/closing mechanism 14 on an enlarged scale.

An opening-shaped base portion 22 is fixed to the vehicle body 10, and an upper end and a lower end of a first vertical shaft 28 are attached to an upper plate 24 and a lower plate 26 of the base portion 22 on the door 12 side, respectively. There is.

A rail 32 is fixed to the door 12 in the front-rear direction, and the upper end 34 and lower end 36 of the rail 32 are guided by rollers 40 provided on the door 12 side of the sliding member 38. As a result, the sliding member 38 is slidably disposed on the rail 32, and cooperates with the rail 32 to move the door 1.
2 is movable in the longitudinal direction of the vehicle body. Further, an upper end and a lower end of a second vertical shaft 46 are attached to an upper plate 42 and a lower plate 44 of the sliding member 38 on the vehicle body 10 side, respectively.

The base part 22 and the sliding member 38 are connected by a rotation support arm 48, that is, one end 50 of the rotation support arm 48 is pivotally connected to the first vertical shaft 28 of the base part 22, and the rotation support arm 48 is connected to the base part 22 and the sliding member 38. The other end 52 of arm 48 is pivotally connected to second vertical shaft 46 of sliding member 38 . This allows the sliding member 38 and therefore the door 12 to rotate relative to the vehicle body 10.

In order to maintain the parallel state between the door 12 and the vehicle body 10, the base portion 22 and the sliding member 38 are connected to the parallel holding arm 5.
4, and this parallel holding arm 54 is connected by
Two arm parts 5 connected to each other by a hinge part 56
g, 60. Upper plate 24 of base portion 22
Bearing seats 62.64 are formed at both ends of the upper surface, and a first horizontal shaft 66 is attached to the bearing seats 62.64, and the parallel holding arm is attached to the first horizontal shaft 66. One end 68 of 54 is pivotally connected.

A longitudinal guide rod 72 is fixed to the vehicle body 10 side of the sliding member 38 via a support member 70, and a sliding body 74 is slidably disposed on the outside of this guide rod 72. A notch 76 is formed in the moving body 741 to avoid interference with the support member 70. This sliding body 74 and the other end 78 of the parallel holding arm 54 are connected by a hinge portion 80 that is a second horizontal axis, and the other end 78 can rotate around the hinge portion 80. .

When the door 12 rotates relative to the vehicle body 10 from the closed state shown in FIG. 3, the sliding member 38 rotates relative to the base portion 22 via the rotation support arm 48, as shown in FIG. do. At this time, the guide rod 72 of the sliding member 38 slides within the sliding body 74 and the parallel holding arm 54
changes from the bent state to the expanded state by the hinge portion 56,
The parallel state between the sliding member 38 and the base portion 22, and therefore the parallel state between the door 12 and the vehicle body 10, is maintained. In FIG. 5, a state in which the sliding member 38 has finished rotating with respect to the base portion 22 is shown, and from this state, the rail 32
Therefore, the door 12 (not shown in FIG. 5) moves rearward with respect to the sliding member 38 and becomes fully open, and even at this time, the parallel state is maintained by the parallel holding arm 54. .

Next, FIG. 6 shows another configuration of the opening/closing mechanism 14.

In FIG. 6, on the upper surface of the upper plate 24 of the base part 22,
A mounting plate 82 is fixed by screws 84 and 86, and the mounting plate 82 and one end 68 of the parallel holding arm 54 are connected by a hinge portion 88, which is a first horizontal axis.

The upper plate 42 of the sliding member 38 extends rearward, and bearing seats 90.92 are formed at the front and rear ends of the upper plate 42. The front and rear ends of the guide rod 94, which is the horizontal axis of the guide rod 94, are fixed. Further, a hollow cylindrical sliding body 96 is formed at the other end 78 of the parallel holding arm 54, and this sliding body 96 is arranged to be slidable on the guide rod 94. End 78 is adapted to rotate about guide rod 94.

According to the opening/closing mechanism shown in FIG. 6, the same operation as the opening/closing mechanism shown in FIG. 4.5 can be performed.

That is, when the sliding member 38 rotates relative to the base portion 22 via the rotary support arm 48, the guide rod 94 of the sliding member 38 slides within the sliding body 96, and the parallel holding arm 54 The hinge portion 56 changes from the bent state to the expanded state, and the parallel state of the sliding member 38 and the base portion 22 is maintained. Further, even when the rail 32 moves relative to the sliding member 38, the parallel state is maintained by the parallel holding arm 54.

Next, 7A, 7B, ? FIG. C shows the operation of the opening/closing mechanism of FIG. 6 in a plan view.

In FIG. 7A, the door 12 is rotating relative to the vehicle body 10, and the sliding member 38 is rotating relative to the base portion 22 via the rotating support arm 48.

In addition, FIG. 8 shows the main part of FIG. 7A, and the door 12
With the rotation, the guide rod 94 of the sliding member 38 slides within the sliding body 96 of the parallel holding arm 54, and the parallel holding arm 54 is transitioning from the bent state to the expanded state. In this way, the parallel state between the door 12 and the vehicle body 10 is maintained. In addition, in FIG. 7A, the reference numeral 98
shows an engaging piece fixed to the rail 32, and this engaging piece 98 engages with the sliding member 38 when the door 12 rotates, so that the door 12 is moved rearwardly with respect to the sliding member 38. It prevents it from moving. Note that a stopper mechanism between the engaging piece 98 and the sliding member 38 will be described later.

In FIG. 7B, the door 12 has finished rotating with respect to the vehicle body 10, FIG. 9 shows the main part of FIG. 7B, and FIG. 10 shows the side view of FIG. 9. ing. At this time, the parallel holding arm 54 is in the maximum expanded state, and the parallel holding arm 54 holds the door 12 and the vehicle body 10 apart.
The parallel state is maintained. In the state shown in FIG. 7B, the engagement between the engagement piece 98 and the sliding member 38 is released, allowing the door 12 to move rearward with respect to the sliding member 38. Also, in the state shown in Figure 7B,
A stopper mechanism, which will be described later, prevents the sliding member 38 from rotating relative to the other end 52 of the rotary support arm 48.

In FIG. 7C, the door 12 has finished moving rearward with respect to the sliding member 38, and this state is the fully open state of the door 12. At this time as well, the parallel holding arm 5
4 maintains the parallel state of the door 12 and the vehicle body 10.

Next, FIG. 11 shows a stopper mechanism in which, when the door 12 rotates with respect to the vehicle body 10, the sliding member 38 is moved against the other end 52 of the rotary support arm 48. allows the door 12 to rotate but prevents the door 12 from moving rearwardly relative to the sliding member 38;
2 is moved relative to the vehicle body 10, the door 12 is allowed to move relative to the sliding member 38, but the sliding member 38
The rotation support arm 48 is configured to prevent rotation relative to the other end 52 of the rotation support arm 48 . The stopper mechanism will be explained in detail below.

In FIG. 11, the upper end 34 and lower end 36 of a rail 32 fixed in the front-rear direction of the door 12 are guided by rollers 40 provided on a sliding member 38. The upper and lower ends of a second vertical shaft 46 are attached to the upper plate 42 and lower plate 44 of the sliding member 38, respectively, and the rotation support arm 4 is attached to the second vertical shaft 46.
The other end 52 of 8 is pivotally connected.

A pin 100 is fixed to the rear upper end of the sliding member 38,
A lever 102 is pivoted on the pin 100. A hole 104 is formed in the rear center of the sliding member 38, and one end 106 of the lever 102 extends through the hole 104 to the other end 52 of the rotary support arm 48. The relationship between the lever 10'2 and the other end 52 of the rotary support arm 48 is shown in an enlarged view in FIG. One end 106 of the lever 102 is engaged with this engaging portion 108, thereby preventing the sliding member 38 that pivotally supports the lever 102 from rotating. Further, a hook portion 110 that can be engaged with the engagement piece 98 of the rail 32 is formed at the other end of the lever 102, and the hook portion 110 is
It is urged downward by a spring.

13A, 13B, and 13C show the operation of the stopper mechanism.

In FIG. 13A, the hook portion 110 of the lever 102 is engaged with the engagement piece 98 of the rail 32 against the urging force of the spring 112, and one end 106 of the lever 102 is moved downward. There is. Therefore, the sliding member 38 can rotate relative to the other end 52 of the rotatable support arm 48 while the door 12 does not move relative to the sliding member 38.

In FIG. 13B, the door 12 has finished rotating with respect to the vehicle body 10, and at this time, the one end 106 of the lever 102 is separated from the lower surface of the engaging portion 108 of the other end 52 of the rotation support arm 48, so that the spring 112 The biasing force causes the lever 102 to rotate, that is, its one end 106
moves upward, and the hook portion 110 at the other end moves downward.

In FIG. 13C, one end 106 of the lever 102 is moved upwardly to engage the engaging portion 1 of the other end 52 of the rotary support arm 48.
08, the sliding member 38 is prevented from rotating relative to the other end 52 of the rotary support arm 48.

On the other hand, the hook portion 110 at the other end of the lever 102 moves downward and disengages from the engagement piece 98 of the rail 32, so that the door 12 does not move rearward with respect to the sliding member 38. Can be done.

Contrary to the above operation, as the door 12 moves forward relative to the sliding member 38 in FIG. The lever 102 is rotated against the urging force of. As a result, as shown in FIG. 13B,
Since the engagement between the one end 106 of the lever 102 and the engaging portion 108 of the other end 52 of the rotation support arm 48 is released, the sliding member 38 cannot rotate relative to the other end 52 of the rotation support arm 48. This results in the state shown in Figure 13A. Note that during this rotation, since the hook portion 110 of the lever 102 is engaged with the engagement piece 98 of the rail 32, the door 12 does not move relative to the sliding member 38.

"Effects of the Invention" As explained above, according to the present invention, the sliding member on the door side and the base member on the vehicle body side are connected by the rotation support arm and the parallel holding arm. In addition, a cover member covering the arm can be made unnecessary.

[Brief explanation of the drawing]

Fig. 1.2 shows the opening/closing structure of a sliding door for a vehicle according to an embodiment of the present invention, respectively. Fig. 4.5 is an enlarged external perspective view of the opening/closing mechanism; Fig. 6 is an external perspective view of another configuration of the opening/closing mechanism; Fig. 7A;
7B,? Figure C is a plan view showing the operation of the opening/closing mechanism in Figure 6, Figure 8 is a diagram showing the main parts of Figure 7A, Figure 9 is a diagram showing the main parts of Figure 7B, and Figure 9 is a diagram showing the main parts of Figure 7B. 10 is a side view of FIG. 9, FIG. 11 is an external perspective view of the stopper mechanism, and FIG. 12 is
The external perspective view showing the relationship between the lever and the other end of the rotation support arm, and Figures 13A, 13B, and 13C are diagrams showing the operation of the stopper mechanism. 10 vehicle body, 12 sliding door, 14 opening/closing mechanism, 22 base portion, 28 first vertical shaft, 32-rail, 38 sliding member, 46 second vertical shaft, 48 rotation support arm, 54 parallel holding arm, 56 hinge part, 66 - first horizontal shaft, 72 guide rod, 74 sliding body, 80 hinge part, 88 - hinge part, 96 sliding body, 98 engaging piece, 102 lever, 106 one end of lever, 108 engaging part, 110 Hook part. Figure 3 Figure 4 Figure 5 Figure 6 Figure 7A Figure 78 Figure 10 Figure 11

Claims (1)

[Scope of Claims] A base portion fixed to the vehicle body; a rail fixed in the longitudinal direction of the door; and a rail slidably disposed on the rail and working in cooperation with the rail to move the door in the longitudinal direction of the vehicle body. a sliding member for being movable about a first vertical axis; one end pivotally connected to the base portion for rotation about a first vertical axis and the other end for being rotatable about a second vertical axis; a rotatable support arm pivotally mounted to rotate the door relative to the vehicle body; and a rotary support arm pivotally mounted at one end to the base for rotation about a first horizontal axis and rotatable about a second horizontal axis. An opening/closing structure for a sliding door for a vehicle, comprising: a parallel holding arm, the other end of which is pivotally connected to a sliding member, is bendable, and keeps the door parallel to the vehicle body.