JP3082629B2 - Vehicle door device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door device, and more particularly, to a swing-up type vehicle door device.

[0002]

2. Description of the Related Art In recent years, it has been desired to increase the opening area of a door opening of a vehicle in order to improve the ease of getting on and off the vehicle. However, it is necessary to increase the size of the door by increasing the opening area of the door opening. In this case, when trying to apply a commonly used front hinge type door, the locus of the rear end of the door becomes large,
If there is no large space on the side of the vehicle, it is impossible to get on and off well.

In view of this, a gull wing door of a type in which the hinge position of the door is provided on the roof side and the door is swung up upward has been considered.

[0004]

The adoption of the above-mentioned gull wing door of the swing-up type makes it possible to get on and off the vehicle relatively well even when the space on the side of the vehicle is narrow. On the other hand, in the gull wing door, When the door is opened, a large space is required above the roof of the vehicle. Therefore, when getting on and off in a parking lot with a low ceiling where the space above the roof is narrow, the door may interfere with the ceiling, and in such a case, good getting on and off cannot be realized as a result. Become.

[0005] The present invention has been made based on the above-described circumstances, and an object of the present invention is to provide a vehicle capable of realizing good getting on and off even when a large space cannot be secured on the side of the vehicle and above the vehicle. Door device.

[0006]

[0007]

[0008]

In order to achieve the above object,
In order, in the first aspect of the present invention, a door for closing the upper portion of the vehicle body side opening, and Roadoa for closing the lower portion of the side opening, the proximal end to the vehicle body is rotatably provided at the tip A support member to which an upper end of the door is connected, and a swing mechanism for displacing in the width direction of the vehicle body while rotating the door upward with the base end of the support member as a fulcrum,
A slide rail provided on an upper surface of the roof of the vehicle body so as to extend in a width direction of the vehicle body, and slidingly guiding a base end of the support member; and sliding the support member along an upper end of the door along the slide rail. A sliding mechanism that guides the door displaced in the width direction of the vehicle body along the roof on the roof and opens an upper part of the side opening;
The lower end of the lower door is rotatably connected to the vehicle body, the lower door is rotated in the width direction of the vehicle body, a lower door opening / closing mechanism that opens a lower portion of the side opening, the swing mechanism, the slide mechanism, and the Driving means for driving a lower door opening / closing mechanism , at least the swing mechanism and the
The drive is operated so that the lower door opening / closing mechanism operates substantially simultaneously.
Control means for controlling the means .

Accordingly, when the door is opened, the driving means first displaces the door with a small trajectory in the width direction of the vehicle body with the base end of the support member as a fulcrum, and at the same time the lower door is rotated and opened. Further, the upper end of the door slides along the slide rail together with the support member by the driving means, and the door is guided along the roof onto the roof and opened. As a result, the door and the lower door are securely opened even when the space above or below the vehicle is small, and the opening area of the side opening is increased while reducing the weight of the door without increasing the size of the door. Easy getting on and off.
By using the lower door as a step for getting on and off, better getting on and off properties can be obtained.

In the invention of claim 2 , the swing mechanism and the slide mechanism have one end rotatably connected to the periphery of the side opening and the other end rotatably connected to the periphery of the door. Characterized in that the link mechanism is provided. Therefore, the swing mechanism and the slide mechanism
The door is suitably arranged by the link mechanism, and the door is easily and reliably opened and closed.

According to a third aspect of the present invention, the slide mechanism includes a separation mechanism for holding the upper end of the door slightly apart from the vehicle body. Therefore, the upper end of the door slides along the slide rail while floating from the vehicle body, that is, the roof, and the door moves smoothly onto the roof without interfering with the roof.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a vehicle 1 to which an embodiment of the present invention is applied. As shown in the figure,
A slide-up door (door) 3 is provided at a door opening (reference numeral 6 in FIG. 2) provided on the left side of the vehicle body 2.
A down step (lower door) 4 whose outer surface is continuous with the outer surface of the slide-up door 3 during storage is mounted below the slide-up door 3.

FIG. 2 is an internal configuration diagram showing a drive mechanism of the slide-up door 3 and the down-step 4.
Will be described. First, the slide-up door 3 will be described. As shown in the figure, at the front end of the door opening 6 to which the slide-up door 3 is attached,
A motor unit (drive means) 10 is mounted so as to be embedded in the vehicle body 2. A motor unit (driving means) 20 similar to the motor unit 10 is attached to the rear end of the opening 6 so as to be embedded in the vehicle body 2.

These motor units 10, 20 are mainly composed of motors 12, 22 and a plurality of gears. Specifically, drive gears 15 and 16 and drive gears 25 and 2 that rotate integrally with the shafts 14 and 24 are mounted on shafts 14 and 24 that are pivotally supported on the side wall surfaces of the housings 11 and 21.
The drive gears 15, 25 are connected to the motors 12, 22 via the worm gears 13, 23. The drive gears 16 and 26 are connected to shafts 18 and 28 that are also supported by the housings 11 and 21.
Gears 17 and 27 that rotate integrally with the gears. Thus, when the motors 12 and 22 are driven, the shaft 1
8 and 28 rotate, and the torque of the motors 12 and 22 is transmitted to the shafts 18 and 28.

One end of each of these shafts 18, 28 is
It penetrates the housings 11 and 21 and further penetrates the periphery of the door opening 6 and has the same axis as the door opening 6.
It protrudes toward the. One ends 32, 42 of idle arms (swing mechanism, slide mechanism) 30, 40 are connected to the respective ends of the shafts 18, 28. More specifically, the shafts 18 and 28 are cut with splines, and the ends 32 and 42 of the idle arms 30 and 40 are fitted to the splines.

The other ends 34, 4 of the idle arms 30, 40
4 is a wrist arm (swing mechanism, slide mechanism)
One ends 52, 62 of 50, 60 are rotatably connected. Specifically, one ends 52, 6 of the wrist arms 50, 60
2 is provided with a pin (not shown) projecting therefrom. The pin is rotatably inserted into a hole (not shown) formed in the other end 34, 44 of the idle arm 30, 40. . Accordingly, a link mechanism is constituted by the idle arms 30, 40 and the wrist arms 50, 60.

The other ends 54, 64 of the wrist arms 50, 60
, Shafts 70 and 80 are also fitted using splines or the like. The shafts 70 and 80 extend through the periphery of the slide-up door 3 and extend into the slide-up door 3. At the tip of the shaft 70, 80,
The shaft 7 via the universal joints 72 and 82
4,84 are connected. Further, the shafts 74, 8
4 is similarly connected to a shaft 92 of a motor unit (driving means) 90 via universal joints 76 and 86.

The motor unit 90 has a housing 91 fixed to the inner surface of the slide-up door 3 and attached to the slide-up door 3. The shaft 92 is rotatably supported by the housing 91. The shaft 92 is provided with a plurality of motors 97, 94 via gears 93, 94 provided to rotate integrally with the shaft 92 and worm gears 95, 96 meshing therewith. 98. Thus, when the motors 97, 98 are driven, the shaft 92 rotates, and the torque of the motors 97, 98 is transmitted to the shaft 92. Since the motor units 90 and 98 need to be disposed in a narrow space inside the slide-up door 3, small or thin motors are used. Therefore,
Here, two motors such as the motors 97 and 98 are used. However, if many motors are provided in parallel, the driving torque can be further increased.

At the upper end of the slide-up door 3, a motor unit (separating means) 100 is provided. The motor unit 100 includes a slide unit (base end) 1
10 are connected. FIG. 3 shows the motor unit 10.
The details of the slide unit 110 connected to the motor unit 100 and the slide unit 110 are described below with reference to FIG.

The motor unit 100 includes a housing 10
1 is fixed to the indoor side of the slide-up door 3 and attached to the slide-up door 3. Housing 101
A motor 102 is fixed to a bracket 101a attached to the worm gear 1 and the worm gear 1
04, which is connected to a shaft 106 which is supported by the housing 101 via a gear 105.

As shown in FIG.
Slider arm (support member) of slide unit 110
One end of the slider arm 111 is fixed.
Is rotatably connected to a connecting portion 116 of a slider 114 via a pillow ball 112. Slider 1
Four wheels 118 made of resin or the like are attached to the side ends of 14.

As shown in FIG. 2, a slide rail 120 is provided on the roof 7, which is a part of the vehicle body 2. More specifically, the slide rail 120 extends in the vehicle width direction and is embedded in the roof 7 as shown in FIG. The slide unit 110 is slidably fitted to the slide rail 120. FIG. 5 is a cross-sectional view taken along line AA in FIG. 2, and as shown in FIG.
Bent portions 122 and 12 so as to form a continuous surface with the outer surface of
4 are formed along the slide rail 120. The wheels 118 of the slide unit 110 are located between the bottom surface 121 of the slide rail 120 and the bent portions 122 and 124. These bent portions 122 and 124 and the wheel 1
A gap is provided between the wheels 118, so that the wheels 118
Will smoothly roll on the bottom surface 121 of the slide rail 120 without coming off the slide rail 120.

Reference numeral 130 in FIG. 2 denotes an idle arm control unit mounted on the vehicle body 2 for controlling the driving of the motors 12, 22 of the motor units 10, 20, and controlling the operation of the idle arms 30, 40. 132 is mounted in the slide-up door 3 and the motor unit 90
Of the wrist arm 50,
60 is a wrist arm control unit for controlling the operation of the slide-up door 3.
And a slider arm control unit that controls the drive of the motor 102 of the motor unit 100 and controls the operation of the slider arm 111. Further, reference numeral 14
Reference numerals 0 and 142 denote rotation angle sensors that detect the rotation angles of the shafts 18 and 28 of the motor units 10 and 20, respectively, and reference numeral 144 denotes a shaft 1 of the motor unit 100.
It is a rotation angle sensor that detects the rotation angle of No. 06.

Next, the down step 4 will be described. A pair of step arms (lower door opening / closing mechanisms) 160 and 162 are mounted on the indoor side surface of the down step 4 so as to be spaced apart in the front-rear direction of the down step 4 via brackets 164 and 166. I have. These step arms 160 and 162 are integrally connected to each other by one shaft 180.

As shown in FIG. 2, the shaft 180
At a substantially central portion thereof, it penetrates a housing 191 of a motor unit (driving means) 190 fixed to a sill portion (not shown) of the vehicle body 2. As shown in the figure, a gear 192 that rotates integrally with the shaft 180 is provided in a portion of the shaft 180 inside the motor unit 190, and the gear 192 is a worm gear 194 that meshes with the gear 192, and a pair of bevel gears. It is connected to a motor 198 fixed to the housing 191 via 195 and 196. Thus, when the motor 198 is driven, the step arms 160 and 162 rotate around the shaft 180 in synchronization with each other via the shaft 180.

Reference numeral 200 in the figure is a step arm control unit mounted on the floor of the vehicle body 2 to drive and control the motor 198 of the motor unit 190 and to control the operation of the step arms 160 and 162. , 20
A position sensor 4 detects the positions of the step arms 160 and 162. Specifically, the position sensor 202 is a sensor that detects that the step arm 160 is in the return position, that is, the position where the down step 4 is stored, while the position sensor 204 is
, That is, a sensor that detects that the down step 4 is at a position where it can be used as a step by falling down to the side of the vehicle body 2.

Reference numeral 210 in the figure is also mounted on the floor of the vehicle body 2 and includes the control units 130, 132, 1
It is a main control unit that controls the entirety of the control units 34 and 200. FIG. 6 is a block diagram showing a connection relationship between the main control unit 210 and each of the above-mentioned control units, each of the sensors and each of the motors. Hereinafter, a control system of the door device will be described with reference to FIG.

The main control unit 210 includes an idle arm control unit 130, a wrist arm control unit 13
2. The slider arm control unit 134 and the step arm control unit 200 are electrically connected to each other so as to be able to input and output, and an operation switch 230 for starting operation control is connected to the input side. Rotation angle sensors 140 and 142 are connected to the input side of idle arm control unit 130, while motors 12 and 22 are connected to the output side, and rotation angle sensors are connected to the input side of wrist arm control unit 132. The sensor 144 is connected, while the motors 97 and 98 are connected to the output side. A rotation angle sensor 146 is connected to the input side of the slider arm control unit 134, the motor 102 is connected to the output side, and the position sensors 202 and 20 are connected to the input side of the step arm control unit 200.
4 while the motor 198 is connected to the output side.

Thus, each of the control units 130, 132, 134, and 200 is controlled based on an input signal from each sensor.
Controls the driving of each motor, and controls each arm 30, 40, 5
The operations of 0, 60, 111, 160, and 162 are controlled, and these individual controls are comprehensively controlled by the main control unit 210 as described above.
(Control means) .

Hereinafter, the operation of the vehicle door device having the above-described structure will be described with reference to FIGS. 7 to 10 are operation explanatory diagrams showing the operation of the slide-up door 3 and the down step 4, and show the vehicle 1 as viewed from the front. Therefore, in these figures, a pair of idle arms 30, 40, wrist arms 50, 60 and step arms 160, 162
As for the arm, the arm located on the front side of the vehicle 1 among these pairs, that is, the idle arm 30,
Only the step arm 160 is shown as a representative. In the figure, the outline of the slide-up door 3 and the down step 4 is shown by a two-dot chain line, and the slide-up door 3 and the down step 4 are closed and the door opening 6 of the vehicle body 2 is closed. The state is shown.

When the operation switch 230 is operated, first, as shown in FIG.
The drive signal is supplied to the motor 102 from the
02 is driven, and the slider arm 111 is rotated by a predetermined angle from the position indicated by the two-dot chain line to the position indicated by the solid line in the figure as indicated by the solid arrow 250. For details, see Slider Arm 1
11 rotates until the rotation angle sensor 146 detects a predetermined angle. As a result, the upper part of the slide-up door 3 is lifted up as indicated by the white arrow 252. At this time, the slide unit 110 moves on the slide rail 120 so as to be once drawn to the slide-up door 3 side. By slightly lifting the upper portion of the slide-up door 3 in this manner, the slide-up door 3 can be easily moved along the slide rail 120 in the same manner as the conventional slide door that slides in the horizontal direction.

At the same time, the idle arm control unit 13
The drive signal from 0 is the motor 1 of the motor units 10 and 20.
The idlers 30 and 40 are supplied to the motors 2 and 22 to drive the motors 12 and 22, respectively, and the idle arms 30 and 40 rotate by a predetermined angle from the position indicated by the two-dot chain line to the position indicated by the solid line. At this time, since the motors 97 and 98 are not operating, the wrist arm 5
0, 60 do not rotate, and these wrist arms 5
Reference numerals 0 and 60 are held in a state of being folded toward the idle arm. As a result, the slide-up door 3 is lifted up while slightly opening to the side of the vehicle body 2 as indicated by a white arrow 254 in the drawing. The idle arm control unit 130
The main control unit 210 cooperates with the slide arm control unit 134, and the slide-up door 3 moves smoothly.

At the same time, a drive signal is supplied from the step arm control unit 200 to the motor 198 to drive the motor 198, and the step arms 160 and 162 are shifted by a predetermined angle from the position indicated by the two-dot chain line to the position indicated by the solid line. To rotate. For details, see step arms 160 and 16
2 rotates until the position sensor 204 detects the position of the step arm 160. As a result, the down step 4 is opened as shown by the outline arrow 256 in the figure, and can be used as a step when getting on and off.

Thereafter, the slider arm control unit 13
4 and the step arm control unit 20
The supply of the drive signal from 0 is interrupted, and the rotation of the slider arm 111 and the step arms 160 and 162 is stopped, but the supply of the drive signal from the idle arm control unit 130 is continued. As a result, as shown in FIG. 8, the slide-up door 3 is lifted further upward as shown by the white arrow 258 in the figure.

At this time, at the same time, a drive signal is supplied from the wrist arm control unit 132 to the motors 97 and 98, and the motors 97 and 98 are driven. As a result, the wrist arms 50 and 60 rotate as indicated by solid arrows 260 in the drawing, and the lower end of the slide-up door 3 is slightly moved to the side of the vehicle body 2 around the pillow ball 112 of the slide unit 110 due to the reaction force. Rocks. The idle arm control unit 130 and the wrist arm control unit 1
32 is coordinated with the main control unit 210, and the slide-up door 3 also moves smoothly.

As described above, when the wrist arms 50 and 60 start to rotate, as shown in FIG.
The slide unit 110 is pushed by the slider arm 111 in response to the rotation of the wrist arms 50 and 60 and the wrist arms 0 and 40, whereby the wheels 118 roll and the slide unit 110 moves along the slide rail 120 in the figure. It starts to move in the direction of the white arrow 266.

When the idle arms 30, 40 and the wrist arms 50, 60 are further rotated, as shown in FIG.
As shown by, the slide rail 120 moves toward the front end, and the slide-up door 3 moves so as to crawl on the roof 7. When the slide unit 110 finally reaches the tip of the slide rail 120, the driving of the motors 12, 22, 97, 98 is stopped based on the input signals from the rotation angle sensors 140, 142, 144, and the idle arm 30, 40 and wrist arms 50, 6
The rotation of the slide-up door 3 is stopped, and the slide-up door 3 is held on the roof 7 with a slight separation from the roof 7 as shown in FIG. At this time, the motors 12, 2
2, 97, 98 are energized, so that the slide-up door 3 is securely held on the roof 7 without moving.

FIG. 11 shows the vehicle 1 in the state shown in FIG.
In this state, as shown in the figure, the slide-up door 3 is attached to the slide unit 11.
0 moves on the slide rail 120, and the roof 7
It is well positioned above and is securely supported by idle arms 30, 40 and wrist arms 50, 60 connected to motor units 10, 20, respectively. The step arms 160 and 162 are also held in a state of being rotated by the motor unit 190. At this time, the down step 4 can be used as a step for getting on and off.

As described in detail above, if the door apparatus of the present invention is used, even if the door is relatively large and there are obstacles on the sides and above the vehicle 1 and there is not much space, the door can be used. Can be satisfactorily opened and closed as the slide-up door 3, and the getting on and off property is improved. Further, since the down step 4 serving as the lower door is provided separately from the slide-up door 3, the down-step 4 is used as a step for getting on and off. It is possible to make the door opening 6 as large as possible while making the weight relatively light without making the size of the door 3 too large.

FIG. 12 is a side view of the vehicle 1 in the state shown in FIG. 11, but by adopting the door device of the present invention, the opening area of the door opening 6 is thus reduced. In both the front-rear direction and the up-down direction, it is possible to increase the size as much as possible, and it is possible to realize extremely good getting on and off properties. In the above embodiment, the number of motors provided in each motor unit is one or two. However, the number of motors is not limited to this, and a large number of motors may be provided according to the mounting space.

[0041]

[0042]

As described in the foregoing, according to the vehicle door system of claim 1, a door for closing the upper portion of the vehicle body side opening, and Roadoa for closing the lower portion of the side opening, based on the vehicle body A support member having an end rotatably provided and an upper end of a door connected to a distal end, and a swing mechanism for displacing in the width direction of the vehicle body while rotating the door upward with the base end of the support member as a fulcrum. A slide rail that is provided on the upper surface of the roof of the vehicle body and extends in the width direction of the vehicle body and slides and guides the base end of the support member. Guide the door displaced to the roof along the roof, connect the slide mechanism that opens the upper part of the side opening, and the lower end of the lower door to the vehicle body rotatably, rotate the lower door in the width direction of the vehicle body, Open the lower part of the side opening Adoa opening and closing mechanism and, swing mechanism,
Driving means for driving the slide mechanism and the lower door opening / closing mechanism, and at least a swing mechanism and a lower door opening / closing mechanism
A control means for controlling the driving means so as to operate at substantially the same time is provided, so that even when the space above or below the vehicle is small, the door and the lower door can be automatically and substantially simultaneously performed. In addition to being able to open and adopting the lower door, the opening area of the side opening can be increased while reducing the weight of the door without increasing the size of the door. Further, by using the lower door as a step for getting on and off, better getting on and off properties can be obtained.

According to the vehicle door device of the second aspect, the swing mechanism and the slide mechanism have one end rotatably connected to the periphery of the side opening and the other end rotatably connected to the periphery of the door. Since the link mechanism is included, the swing mechanism and the slide mechanism can be suitably arranged by the link mechanism, and the door can be easily and reliably opened and closed. According to the vehicle door device of the third aspect , since the slide mechanism includes the separation mechanism that slightly separates and holds the upper end of the door from the vehicle body, the upper end of the door floats from the vehicle body, that is, the roof. In this state, the door can be slid along the slide rail, and the door can be smoothly moved on the roof without interfering with the roof.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a vehicle provided with a door device of the present invention.

FIG. 2 is a diagram showing an internal configuration of the door device of the present invention.

FIG. 3 is a perspective view showing a slider unit in FIG. 2;

FIG. 4 is a plan view of the vehicle showing a slide rail.

FIG. 5 is a cross-sectional view of the slider unit taken along line AA in FIG. 2;

FIG. 6 is a block diagram showing a connection relationship between control units.

FIG. 7 is a diagram showing a state of the door device immediately after the start of operation.

FIG. 8 is a diagram illustrating a state of the door device when the wrist arm starts rotating.

FIG. 9 is a diagram illustrating a state of the door device when the slider unit starts sliding.

FIG. 10 is a diagram showing a state of the door device when the door is fully opened.

FIG. 11 is a perspective view showing the vehicle with the door fully opened.

FIG. 12 is a side view showing the vehicle with the door fully opened.

[Explanation of symbols]

2 Body 3 Slide up door (door) 4 Down step (lower door) 6 Door opening (side opening) 7 Roof 10, 20 Motor unit (driving means) 12, 22 Motor 30, 40 Idle arm (swing mechanism, slide mechanism) ) 50, 60 Wrist arm (swing mechanism, slide mechanism) 90 Motor unit (drive means) 97, 98 Motor 100 Motor unit (separation mechanism) 110 Slider unit 111 Slider arm (support member) 120 Slide rail 160, 162 Step arm ( Lower door opening / closing mechanism) 190 Motor unit (driving means) 198 Motor

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60J 5/00 B60J 5/04-5/06 B60J 5/10

Claims (3)

(57) [Claims] And 1. A door for closing the upper portion of the side opening of the vehicle body, and Roadoa for closing the lower portion of the side opening, the vehicle body in the proximal is rotatably provided, the upper end of the door to the tip A connected support member, a swing mechanism for displacing the door in the width direction of the vehicle body while rotating the door upward with the base end of the support member as a fulcrum, and A slide rail that extends in the width direction and slides and guides the base end of the support member; and the support member slides along the slide rail together with the upper end of the door to displace in the width direction of the vehicle body. Guide the door on the roof while following the roof,
A sliding mechanism for opening the upper part of the side opening; a lower door for opening and closing the lower part of the side opening, wherein a lower end of the lower door is rotatably connected to the vehicle body, the lower door is rotated in the width direction of the vehicle body, and a lower part of the side opening is opened. A mechanism for driving the swing mechanism, the slide mechanism, and the lower door opening and closing mechanism; and at least the swing mechanism and the lower door opening and closing mechanism.
For controlling the driving means so as to operate at substantially the same time
Means for a vehicle. 2. The swing mechanism and the slide mechanism include a link mechanism having one end rotatably connected to a periphery of the side opening and the other end rotatably connected to a periphery of the door. characterized by comprising a vehicle door system according to claim 1 Symbol placement. Wherein the slide mechanism is characterized by comprising a separation mechanism for holding the upper end of the door is slightly spaced from the vehicle body, the vehicle door system according to claim 1 or 2 wherein.