JP3776802B2 - Opening and closing device for vehicle sliding door - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an opening / closing device for a sliding door for a vehicle, and more particularly, to an opening / closing device for a sliding door for a vehicle having a sliding mechanism on an upper portion of the sliding door.
[0002]
[Prior art]
An example of a conventional sliding door opening / closing device for a vehicle is disclosed in Japanese Patent Laid-Open No. 7-4128.
[0003]
As shown in FIG. 7, in this vehicular sliding door opening and closing device, a guide rail 104 is extended along the front-rear direction on the upper edge of the opening 102 opened in the side portion 100 of the vehicle. A base end 108 </ b> A of the roller bracket 108 is rotatably supported via a support shaft 110 on the upper front end of 106. Further, a front roller 112 and a rear roller 114 guided in the guide rail 104 are rotatably supported on the front side and the rear side of the front end 108B of the roller bracket 108, and the front roller 112 and the rear roller 114 are rotatably supported. Are fitted in the guide rail 104 so as to freely roll. As a result, the slide door 106 moves back and forth to open and close the opening 102. Further, the front end side 104A of the guide rail 104 is curved in the vehicle interior direction, and a line L1 connecting the rotation centers of the guide rollers 112 and 114 and a line L2 connecting the center line of the guide roller 112 close to the pivot center are formed. It arrange | positions so that angle (theta) may become an obtuse angle.
[0004]
[Problems to be solved by the invention]
However, in such a vehicular sliding door opening / closing device, the front roller 112 and the rear roller 114 are configured to move in one guide rail 104. As a result, as shown in FIG. 8, the distance between the slide door 106 and the vehicle side surface 100 so that the slide door 106 and the vehicle side surface 100 do not come into contact with each other when the door is opened and closed, that is, the door lift-up amount A is secured. in order to minimize the amount of protrusion B of the guide rail 104 into the passenger compartment it is necessary to set a large distance C along the vehicle longitudinal direction between the support shaft 110 and the front rollers 112 of the roller brackets 108 However, there is a problem that the opening dimension D on the vehicle body side when the sliding door is opened becomes narrow.
[0005]
The present invention takes the above-mentioned facts into consideration and secures the door lift-up amount, and the vehicle slide that can reduce the protrusion amount of the guide rail into the vehicle interior without reducing the opening size on the vehicle body side when the slide door is opened. The object is to obtain a door opening and closing device.
[0006]
[Means for Solving the Problems]
The present invention according to claim 1, comprising a vertical and one of the main roller and one sub-rollers which vehicle longitudinal direction at the position is located close different Do Ri together, the sliding door via a rotatable hinge in the horizontal direction A roller arm fixed at the top of the front end ;
A guide rail comprising a main guide for guiding the main roller and a sub guide for guiding the sub roller;
Have
The main guide is disposed substantially linearly in the vehicle longitudinal direction along the side of the vehicle body over the entire length,
The sub guide is disposed substantially linearly in the vehicle front-rear direction along the main guide at a position on the outer side in the vehicle width direction with respect to the main guide from the door opening side tip to the vicinity of the door closing side tip. In the vicinity of the front end of the closing side, it is gently curved in a plan view and extends to a position that is inward in the vehicle width direction with respect to the main guide. The hinges are arranged on the inner side in the width direction , and in the vicinity of the front end of the door closing side, the hinge is located at a position spaced outward in the vehicle width direction with respect to the sub roller and the main roller .
[0007]
Accordingly, the door opening side front end of the slide door to door closed side tip near, one of the main guided by the main guide being arranged in a substantially straight line in the longitudinal direction of the vehicle along the vehicle body side portion over the entire length and the roller is guided to the site of the main guide and disposed parallel to sub guide to the position of the vehicle width direction outer side with respect to the main guide, the main roller and the vertical and longitudinal direction of the vehicle position is located close different Do Ri together With one sub-roller , the roller arm fixed to the upper front end of the sliding door via a hinge that can rotate in the horizontal direction translates in the vehicle longitudinal direction. Further, in the vicinity of the front end of the sliding door on the door closing side, the roller arm is bent by a sub roller that is gently curved in a plan view and is guided to a position of the sub guide that extends to the inner side in the vehicle width direction with respect to the main guide. Performs a rotational movement in the horizontal direction around the hinge. That is, since the sub roller is displaced between the position outside the vehicle compartment with respect to the main roller and the position inside the vehicle interior with respect to the main roller, the rotation angle of the roller arm can be increased. The amount of protrusion of the guide rail can be reduced. For this reason, it is possible to reduce the protrusion amount of the guide rail into the vehicle interior without reducing the opening size on the vehicle body side when the sliding door is opened, while ensuring the door lift-up amount. The roller arm is fixed to the upper front end of the sliding door via a hinge that can rotate in the horizontal direction, and this hinge is spaced outward in the vehicle width direction from the sub roller and the main roller in the vicinity of the front end of the door closing side. Position.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of a vehicular sliding door opening and closing apparatus according to the present invention will be described with reference to FIGS.
[0009]
In the figure, the arrow FR indicates the vehicle front direction, the arrow UP indicates the vehicle upward direction, and the arrow IN indicates the vehicle interior direction.
[0010]
As shown in FIG. 6, the vehicle body 10 in the present embodiment is a so-called minivan vehicle body, and a sliding door 12 that can be opened and closed by moving in the vehicle front-rear direction to the left side portion 10 </ b> A of the vehicle body 10. I have. The sliding door 12 is supported by the vehicle body side portion 10A at three locations, ie, an upper portion 12A and a lower portion 12B at the front end and a vicinity 12C in the vertical direction central portion at the rear end. Further, an upper roller (not shown) as a sliding mechanism is provided at the front upper portion 12A of the sliding door 12, and a lower roller (not shown) as a sliding mechanism is provided at the lower end 12B of the sliding door 12 at the rear end of the sliding door 12. A center roller (not shown) as a slide mechanism is provided in the vicinity of the center portion 12C in the vertical direction of the upper and lower rails, and an upper rail, a lower rail, and a slide mechanism provided on the vehicle body side are omitted. By the center rail, the slide door 12 can slide between the closed position and the open position.
[0011]
As shown in FIG. 3, an upper guide rail 20 is disposed along the vehicle front-rear direction on the upper edge portion 14 </ b> A of the opening portion 14 formed on the side portion of the vehicle body 10 and opened and closed by the slide door 12. The upper guide rail 20 has a two-stage structure including a main guide 24 for guiding the main roller 22 and a sub guide 28 for guiding the sub roller 26.
[0012]
As shown in FIG. 1, the main guide 24 is substantially straight in the front-rear direction along the vehicle body 10 from the full length, that is, from the front end (rear end) of the sliding door 12 to the front end (front end) of the door closing side. It is arranged in a shape. Further, the sub guide 28 is arranged along the main guide 24 at a position on the outer side in the vehicle width direction with respect to the main guide 24 at a rear portion 28B from the front end of the sliding door 12 to the vicinity of the front end of the door closing side. It is arranged in a substantially straight line in the front-rear direction, and in the vicinity of the front end of the door closing side, that is, in the vicinity of the left side in FIG. On the other hand, it extends to a position on the inner side in the vehicle width direction. Note that the amount of protrusion of the upper guide rail 20 into the vehicle compartment is α.
[0013]
As shown in FIG. 3, the front end portion 28B of the sub guide 28 is offset inward in the vehicle width direction with respect to the front end portion 24A of the main guide 24. As shown in FIG. 4, the sub guide is not curved. In the rear portion 28 </ b> B of FIG. 28, the sub guide 28 is offset to the upper side in the vehicle width direction with respect to the main guide 24.
[0014]
As shown in FIG. 2, the sub roller 26 is rotatably supported by a tip 32 A of an L-shaped arm base 34 constituting a roller arm 33 by a pin 32, and the main roller 22 is supported by an arm base 34 by a pin 30. Is rotatably supported by the bent portion 34B.
[0015]
As shown in FIG. 5, the other end 34 </ b> C of the arm base 34 is one end of the sub arm base 38 that forms the roller arm 33 by the first hinge 36 that can be rotated in the vertical direction (the arrow V direction in FIG. 5). It is connected to the portion 38A.
[0016]
As shown in FIG. 2, the other end 38 </ b> B of the sub arm base 38 is connected to the bracket 42 by a second hinge 40 as a hinge that can rotate in the horizontal direction (the direction of arrow W in FIG. 2). Is fixed to the slide door 12 by a bolt 44.
[0017]
Next, the operation of this embodiment will be described.
[0018]
In the vehicular sliding door opening and closing device of the present embodiment, the sliding door 12 is disposed substantially linearly along the side portion 10A of the vehicle body 10 from the door opening side tip to the vicinity of the door closing side tip. The roller arm 33 is indicated by a two-dot chain line in FIG. 2 by the main roller 22 guided by the main guide 24 and the sub roller 26 guided by the rear portion 28B of the non-curved sub guide 28. The vehicle is translated in the longitudinal direction.
[0019]
Further, in the vicinity of the front end of the sliding door 12 on the closing side, the roller arm 33 is indicated by a one-dot chain line and a solid line in FIG. 2 by the sub roller 26 guided by the front end portion 28B of the sub guide 28 that is gently curved in plan view. As shown, the rotational movement is performed in the horizontal direction (the direction of arrow W in FIG. 2).
[0020]
For this reason, since the sub roller 26 is displaced between a position outside the vehicle interior of the main roller 22 and a position inside the vehicle interior of the main roller 22, the rotation angle of the roller arm 33 can be increased, and as a result. The projection amount α of the guide rail 20 into the vehicle interior can be reduced.
[0021]
For this reason, in this embodiment, after securing the door lift-up amount β of the slide door 12, the slide door 12 has an open position indicated by a solid line in FIG. 1 and a closed position indicated by a two-dot chain line in FIG. Therefore, it is possible to reduce the projection amount α of the guide rail into the vehicle interior without reducing the opening size γ on the vehicle body side when the sliding door is opened.
[0022]
Further, as in the comparative example indicated by the broken line in FIG. 2, when the roller arm 120 does not rotate as in the present embodiment, the amount of protrusion of the guide rail 122 into the vehicle interior increases, and the vehicle body 124 side The structure is complicated, and it is difficult to ensure the strength and rigidity, and the weight is increased, and the space and appearance in the passenger compartment are also impaired. However, in this embodiment, such a problem can be solved. That is, in this embodiment, the structure on the vehicle body side is simplified, it is easy to ensure strength and rigidity, the weight can be reduced, and the space and appearance in the vehicle interior are also improved.
[0023]
In the present embodiment, the arm base 34 and the sub arm base 38 are relatively moved in the vertical direction (in the direction of arrow V in FIG. 5) by the first hinge 36 disposed in the connecting portion between the arm base 34 and the sub arm base 38. Rotate to. As a result, when the slide door 12 is opened and closed, the main roller 22 and the main guide 24 are twisted in the vertical direction (arrow V direction in FIG. 5) due to a slight change in the posture of the slide door 12, and the sub roller. It is possible to prevent twisting of the rotational direction in the vertical direction (in the direction of arrow V in FIG. 5) between 26 and the sub guide 28.
[0024]
Although the present invention has been described in detail with respect to specific embodiments, the present invention is not limited to such embodiments, and various other embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art. For example, in the above embodiment, the opening / closing device for a sliding door for a vehicle according to the present invention is applied to the sliding door 12 disposed on the left side portion 10A of the vehicle body 10. However, the opening / closing device for a sliding door for a vehicle according to the present invention It can be applied to a sliding door disposed on the right side. In the above embodiment, the main guide 24 and the sub guide 28 are integrated, but instead, the main guide 24 and the sub guide 28 may have separate structures.
[0025]
【The invention's effect】
The present invention according to claim 1, comprising a vertical and one of the main roller and one sub-rollers which vehicle longitudinal direction at the position is located close different Do Ri together, the sliding door via a rotatable hinge in the horizontal direction A roller arm fixed to the upper front end, and a guide rail having a main guide for guiding the main roller and a sub guide for guiding the sub roller. The sub-guide is arranged in the vehicle front-rear direction along the main guide from the door open end to the door close end in the vehicle width direction outside the main guide. It is arranged in a substantially straight line, and in the vicinity of the front end of the door closing side, it is gently curved in plan view and extends to a position inside the vehicle width direction with respect to the main guide. The side tip, the sub-roller together with is arranged inward in the vehicle width direction relative to the main roller, the door closed side near the tip, since the hinge is in a position spaced outward in the vehicle width direction with respect to the sub-roller and the main roller, In addition to securing the door lift-up amount, there is an excellent effect that the projection amount of the guide rail into the vehicle compartment can be reduced without reducing the opening size on the vehicle body side when the sliding door is opened.
[Brief description of the drawings]
FIG. 1 is a schematic plan view showing an opening / closing device for a vehicle sliding door according to an embodiment of the present invention.
FIG. 2 is an enlarged plan view showing a main part of the opening / closing device for the vehicle sliding door according to the embodiment of the present invention.
3 is an enlarged cross-sectional view taken along line 3-3 in FIG.
4 is an enlarged cross-sectional view taken along line 4-4 of FIG.
FIG. 5 is an enlarged cross-sectional view taken along line 5-5 of FIG.
FIG. 6 is a perspective view of the vehicle body to which the opening / closing device for a sliding door for a vehicle according to an embodiment of the present invention is applied, seen from an oblique front.
FIG. 7 is a horizontal sectional view showing a part of the opening / closing device for a sliding door for a vehicle according to a conventional example.
FIG. 8 is a schematic plan view showing a vehicular sliding door opening and closing device according to a conventional example.
[Explanation of symbols]
12 Slide door 14 Car body opening 20 Upper guide rail 22 Main roller 24 Main guide 26 Sub roller 28 Sub guide 33 Roller arm 34 Arm base 36 First hinge 38 Sub arm base
40 Second hinge (hinge)

Claims (1)

Comprising a vertical and one of the main roller and one sub-rollers which vehicle longitudinal direction at the position is located close different Do Ri each other, a roller arm which is fixed to the front end upper portion of the sliding door via a rotatable hinge in the horizontal direction ,
A guide rail comprising a main guide for guiding the main roller and a sub guide for guiding the sub roller;
Have
The main guide is disposed substantially linearly in the vehicle longitudinal direction along the side of the vehicle body over the entire length,
The sub guide is disposed substantially linearly in the vehicle front-rear direction along the main guide at a position on the outer side in the vehicle width direction with respect to the main guide from the door opening side tip to the vicinity of the door closing side tip. In the vicinity of the front end of the closing side, it is gently curved in a plan view and extends to a position that is inward in the vehicle width direction with respect to the main guide. Opening and closing of the vehicle sliding door , wherein the hinge is located on the inner side in the width direction , and in the vicinity of the front end of the door closing side, the hinge is spaced apart from the sub roller and the main roller in the vehicle width direction outer side. apparatus.

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