JP2003199793A - Rear door opening/closing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the degree of design freedom of the whole cabin by heightening the degree of installation freedom of a means for operating a rear door. <P>SOLUTION: A lifting device LM with a platform 71 moved from a vehicle interior position into a ground position is provided near the rear door BD. The lifting device LM has a folding mechanism 75 for deforming the platform 71 longitudinally divided in a front side platform 71f and a rear side platform 71r, into a folded state of approximately V-shape from the side view by rotatably connecting the rear end part of the front side platform 71f and the front end part of the rear side platform 71r, and into a developed state longitudinally arranged almost horizontally to the ground surface. A part of the lifting device LM is provided with a door opener 77 for pressing the rear door BD in a vehicle outside direction when the platform 71 is operated into the developed state from the folded state. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing device that opens a back door at least automatically.

[0002]

2. Description of the Related Art Conventionally, a vehicle on which a wheelchair can be mounted is known. Such vehicles are equipped with an elevating device and a slope device that can move the wheelchair between the ground and the floor of the vehicle body near the side and rear doors of the vehicle, and can get on and off the vehicle while riding on the wheelchair. Or, a storage device for moving the folded wheelchair between the ground and the vehicle floor is provided so that the folded wheelchair can be stored.

Considering such a wheelchair vehicle,
The inventors of the present application have an advantage in terms of parking space that the passengers get on and off the vehicle or store the wheelchair from the door on the side of the vehicle at the time of getting on and off, rather than the doors on the side of the vehicle. I found that there is. In other words, when considering the parking space, it is not possible to secure sufficient space for operating the lifting device and storage device and for getting in a wheelchair if the adjacent vehicles are parked on the left and right sides of the vehicle. However, since the space for getting in the vehicle is originally secured before and after the vehicle, it is possible to secure an operating space for the lifting device and the storage device and a space for entering the wheelchair.

Further, in consideration of getting on and off the vehicle from the back door by a wheelchair, if the back door is automatically opened or the lifting device is automatically operated, the wheelchair user can get on and off without the need of a caregiver. Is possible. Therefore, as a back door opening and closing device that automatically opens and closes the back door,
Conventionally, motors have been installed in the rear pillars on the left and right of the back door or in the vicinity thereof, and when opening the back door, after unlocking the back door, the lever connected to the motor opens the back door in the opening direction. A device is known in which the back door is opened by pressing and the wire connected to the winding means and the back door driven by a motor is pulled by the winding means to close the back door. .

However, in this conventional device,
Since the back door is opened by the lever connected to the motor, the motor needs to be provided so as to project on the rear pillar or the vehicle interior side wall in the vicinity thereof. For this reason, this motor narrows the vehicle interior space and also becomes an obstacle for installing the lifting device, the storage device, the rear seat, and the like, which may reduce the degree of freedom in design.

The present invention has been made in view of the above-mentioned conventional problems, and increases the degree of freedom in installing a means for operating a back door, thereby improving the degree of freedom in designing the entire passenger compartment. It is an object.

[0007]

In order to achieve the above-mentioned object, the present invention has a pressing means for pressing a back door that opens and closes a rear opening toward the exterior of the vehicle, and when the back door is in an unlocked state. In the back door opening and closing device for opening and rotating the back door by pressing the pressing means, in the vehicle interior near the back door, there is provided an entrance / exit operation device for performing an operation for entering / exiting from the rear opening for wheelchair access.
This entrance / exit actuating device is used as a pressing means, and the back door is pressed toward the outside of the vehicle at the part coming in and out from the rear opening.

As in the invention described in claim 2, in the back door opening / closing device according to claim 1, the winding means for pulling the back door in the closing direction through the wire and the winding means are operated. You may provide the door motor which makes it. Further, as in the invention described in claim 3, in the back door opening / closing device according to claim 2, the wire includes:
An outer cable wrapping the wire may be provided. Further, as in the invention described in claim 4, in the back door opening / closing device according to any one of claims 1 to 3, an automatic lock device for unlocking the back door may be provided.

According to the invention described in claim 5, claims 1 to 4 are provided.
In the back door opening / closing device according to any one of claims 1 to 3, a platform for mounting a wheelchair is used as the access device to move from an in-vehicle position to a ground position, and the platform includes a front platform and a rear platform. It is divided into front and rear with the platform, and the rear end of the front platform and the front end of the rear platform are rotatably connected,
In addition, the platform has a folding mechanism that transforms the platform into a folded state in which the side view is substantially inverted V-shaped and a deployed state in which the platform is arranged substantially horizontally in front of and behind the ground. Is a means provided with a pressing portion for pressing the back door in the vehicle exterior direction when operating from the folded state to the unfolded state.

According to a sixth aspect of the present invention, in the back door opening / closing apparatus according to any one of the first to fourth aspects, a platform for mounting a wheelchair as the entrance / exit actuating device is moved up and down to move from a vehicle interior position to a ground position. Using the device
This lifting device has a slide support part that slidably supports the platform back and forth, and a moving mechanism that moves the slide support part to a vehicle floor position and a ground position. The pressing means is provided for pressing the back door when sliding backward with respect to the slide support portion at the position.

According to a seventh aspect of the present invention, in the back door opening / closing device according to any one of the first to fourth aspects, a slope device having a slope plate connecting the vehicle floor and the ground is used as the entrance / exit operation device. The slope plate is divided into a front slope plate and a rear slope plate, and a rear end portion of the front slope plate and a front end portion of the rear slope plate are rotatably connected to each other. Has a folding mechanism that transforms the vehicle into a folded state in which the side view is substantially V-shaped and a deployed state that is laid over the vehicle floor and the ground. The rear end portion of the rear slope plate is used as a pressing portion. When the slope plate is operated from the folded state to the unfolded state, the pressing portion presses the back door toward the outside of the vehicle.

According to an eighth aspect of the present invention, in the back door opening / closing device according to any one of the first to fourth aspects, a wheelchair storage device is used as the access operation device, and the wheelchair storage device is in a folded state. The wheelchair has an arm member for suspending the wheelchair, and the arm member is rotated to an in-vehicle position where the wheelchair is suspended from the vehicle floor in the vehicle and an outside position where the wheelchair is placed outside the vehicle and lowered from the in-vehicle position. The rotating mechanism is provided, and the pressing portion presses the back door when the arm member rotates from the in-vehicle position to the out-vehicle position by using a part of the arm member as the pressing portion.

[0013]

In the present invention, the backdoor is unlocked manually or automatically, and then
An entrance / exit actuating device provided near the back door for operating the wheelchair is operated. By the operation of the entrance / exit actuating device, a pressing portion provided at a portion coming in and out from the rear opening presses the back door to rotate the back door in the opening direction. In this way, since the back door is opened by using the access control device provided for loading and unloading the wheelchair, it is not necessary to dispose the motor at a position where the back door can be pressed, and the degree of freedom in design can be improved. . It should be noted that the back door may be closed by a person each time it is closed, or, as in the invention of claim 2, a winding means for closing operation and a door motor are separately provided. Good. Even when the winding means and the door motor are provided as in the invention described in claim 2, since the winding means and the door motor only need to be able to pull the wire, the installation position of the motor is different from the conventional one. Is not limited to the position where the back door can be pressed, and it can be installed under the floor or in the side wall, and the degree of freedom in installation is improved.

In the invention according to claim 3, since the wire is wrapped with the outer cable, the back door is pulled in the closing direction by the winding means and the door motor even if the outer cable is bent in a direction different from the back door pulling direction. be able to. Therefore, the degree of freedom in disposing the door motor is further increased.

According to the fourth aspect of the invention, since the automatic lock device for automatically locking and unlocking the back door is provided, when the back door is opened, the back door is unlocked and the back door is opened. A series of operations up to activation can be automatically performed. Also, a series of operations from opening the back door to closing and locking it,
It can be done automatically.

According to the fifth aspect of the invention, when the wheelchair is mounted on or removed from the vehicle, the lifting device is operated to move the platform from the folded state to the unfolded state. The pressing portion provided at the position presses the back door to rotate the back door in the opening direction.

According to the sixth aspect of the present invention, when the wheelchair is mounted on or removed from the vehicle, the pressing portion provided on the platform is operated when the platform is slid back and forth in the vehicle by operating the elevating device. Push the door to rotate the back door in the opening direction.

According to the seventh aspect of the present invention, when the wheelchair is mounted on or removed from the vehicle, the slope device is operated to operate the folding mechanism to bridge the slope plate between the vehicle floor and the ground. When the slope plate is unfolded from the folded state, the pressing portion provided at the rear end of the rear slope plate presses the back door to rotate the back door in the opening direction.

In the invention according to claim 8, when the wheelchair is folded and mounted on the vehicle or lowered from the vehicle, when the arm member is rotated by the rotation mechanism from the in-vehicle position to the out-vehicle position, the arm is rotated. The pressing portion provided on the member presses the back door to rotate the back door in the opening direction.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) First, the configuration of the back door opening / closing device of Embodiment 1 will be described. The back door opening / closing device of the first embodiment corresponds to the invention described in claims 1 to 5. FIG. 1 is a plan view showing a wheelchair vehicle to which the back door opening / closing device of the first embodiment is applied. This vehicle is a vehicle generally called a one-box car, and the floor F of the vehicle is formed flat. At the front end of the floor F, a driving space DS and a passenger seat AS are provided side by side. In addition, behind the passenger seat AS,
Second-row seats SS are provided, and foldable third-row seats TS, TS are provided on the left and right of the rear part of the vehicle. The third-row seat TS is attached to the side wall of the vehicle, and when stored, the seat cushion and the seat back are brought into contact with the side wall with the seat cushion and the seat back substantially aligned as shown in the drawing. After arranging the cushion substantially parallel to the floor F, the seat back is erected and used. Further, front doors (not shown) are provided on the left and right sides of the driving space DS and the passenger seat AS, respectively.
A slide door (not shown) is provided beside the row seat SS, and a back door BD that opens and closes the rear opening 1 is provided at the rear end of the vehicle (see FIG. 7).

In the driving space DS, the wheelchair fixing device FM of the embodiment is provided on the floor F. Further, when the third row seat TS is in the use state, the lifting device L for moving the wheelchair C up and down in the space formed between the seat back of the third row seat TS and the back door BD.
M is provided.

Further, a moving passage R is formed from the lifting device LM to the wheelchair fixing device FM. That is, the moving passage R is at the center of the lifting device LM,
It is a passage from between the row seats TS to the right side of the second row seat SS to the wheelchair fixing device FM which is the driving position. In the present embodiment, a movement guide mark GS that guides the caster 41, which is the front wheel of the wheelchair C described later, is provided in the movement passage R. The movement guide mark GS is configured by continuously providing the screw with cap 2 shown in FIG. 2 on the floor. This screw 2 with a cap is composed of a resin cap 2c and a screw 2s, and the cap 2c has a base 2b and a mark portion 2d that are integrally hinged.
They are connected by h. Therefore, with the screw 2s penetrating from above the base 2b, the floor F
It is fastened to a screw hole (not shown) formed in the above, and the mark portion 2d is put on the head of the screw 2s so as to be engaged with the base 2b and attached to the floor F.

Next, the wheelchair fixing device FM will be described. FIG. 3 is a perspective view showing the configuration of the wheelchair fixing device FM. On the floor F of the operating space DS, a fixing floor 3 made of resin or metal is provided so as to be raised one step higher than the general portion of the floor F.

The fixing floor 3 is formed in such a shape that the front side of the vehicle is narrowed, and the first hook 11 is provided at the front end portion thereof.
And the floor side striker 21 are provided side by side. Also, at the left and right ends of the middle part of the fixing floor 3,
A second hook 12 and a third hook 13 are provided.

The hooks 11, 12, and 13 are respectively
It has a flat plate shape, extends in the vehicle front-rear direction, and is fixed to the fixing floor 3 in an upright state. Also, each hook 11,
The first and second hooks 12 and 13 are formed in substantially the same shape. The first hook 11 will be described with reference to FIG.
2a, 13a) are formed, and on the lower side of the hook portion 11a, an engagement groove 11b (1
2b, 13b) are formed, and the taper portion 11c (12) that is widened in the up-down direction is formed on the vehicle rear side of the engagement groove 11b.
c, 13c) are formed vertically. As shown in FIG. 3, the floor-side striker 21 has a substantially U-shaped engaging portion extending in the front-rear direction.

A first hook 11 is provided on the fixing floor 3.
And a floor striker (locking striker) 21,
Between the second hook 12 and the third hook 13,
The convex portions 15, 15 having a substantially triangular planar shape are formed so as to project upward. Each of the protrusions 15 has a restriction surface 15a provided upright on the outer end surface portion and a guide surface 15b provided upright on the inner end surface portion. The guide surface 1
5b and 15b are formed so as to face each other, and the distance between the two is formed so as to decrease toward the front of the vehicle. On the contrary, the restriction surfaces 15a, 15a are formed so as to face in mutually opposite directions, and are formed in such a shape that the distance between the restriction surfaces 15a, 15a widens toward the front of the vehicle.

Next, the structure of the wheelchair C to be fixed will be described. FIG. 5 is a perspective view showing the outline of the configuration of the wheelchair C. As shown, the wheelchair C has a main frame 3
A pair of left and right casters 41, 4 as front wheels at the front lower part of 0
1 is attached, and a pair of left and right wheels 42 as rear wheels are attached to the lower rear portion of the main frame 30 so as to be movable. The main frame 30
Is formed on the upper side of the hub block 31 and two left and right pipes 32, 32 extending in the front-rear direction on the left and right and having their rear end portions welded through the hub block 31 made of metal. One end is fitted and welded into the hole from above, and the other end is connected to the front ends of the left and right pipes 32 by welding or the like, and the frame pipes 33, 33 having a substantially bow shape and the caster 41 are rotatable at the lower end. Is attached to the left and right pipes 32, and the upper end thereof is welded to the left and right pipes 32, and the upper end is welded and joined to the lower side of the frame pipe 33. The front side horizontal pipe 34 welded to the joint between the vertical pipes 32 and 32, and both ends extending in the left-right direction are fitted and welded in holes formed in the lower side of the hub block 31. The side lateral pipe 36 after forming a shaped,
An intermediate horizontal pipe 35 that extends in the left-right direction and is welded to the lower side of the middle portion of the left and right pipes 32 and has a substantially U shape. The wheels 42 are provided on the side surface of the hub block 31.
Is attached. In addition, the frame pipe 33
A pair of left and right footrests 38, 38 are attached to the front end portion of the.

A seat 50 is supported by the main frame 30. This seat 50 is a seat cushion 5
1 and a seat back 52. When the wheelchair C is of a push type, a handle 54 may be provided on the back surface of the seatback 52, or when the wheelchair C is of an electric type, the handle 54
Is unnecessary. The seat 50 is preferably supported by an elevating mechanism so as to be movable up and down, and it is preferable that the seat cushion 51 and the seat back 52 have a pad provided on the inner side of the outer skin. Further, the seat back 52 is preferably attached to the seat cushion 51 via a reclining device so as to be tiltable forward and backward. Furthermore, in the illustrated example, an armrest 53 is provided.

In the present embodiment, a chair-side seat having a substantially U-shape which is engageable with the engaging groove 11b of the first hook 11 is provided at a lower position of an intermediate portion of the front side horizontal pipe 34. 1
A striker (strike for hook) 61 is provided, and next to it, a lock member 64 that engages with and locks the floor striker 21 is provided. The chair side first striker 61 and the lock member 64 are attached to a bracket (not shown) that is welded and fixed to the front side horizontal pipe 34. The lock member 64 includes a U-shaped groove 64a into which the floor-side striker 21 enters, as shown in the drawing, and the U-shaped groove 64a is usually provided on the floor side as shown in the sectional view of FIG. A latch 64r that faces in a direction not engaging with the striker 21 and rotates while engaging with the floor striker 21 when the floor striker 21 enters the U-shaped groove 64a, and a latch 64r when this latch 64r rotates. Is provided with a lock claw 64s for restricting the rotation of the in the disengagement direction. The lock member 64 is a well-known member generally used in, for example, a door lock of an automobile. Further, one or two cables 64b are connected to the lock claw 64s, and the cable 6b
When the release lever 64c provided at the other end of 4b is pulled, the restriction by the lock claw 64s is released and the latch 64c is released.
The r is rotatable in the engagement releasing direction, and the lock is released. The release lever 64c is attached to the side surface of the seat cushion 51. In the case of a push-push type, it is also preferable to provide it on the back surface of the seat back 52.

Further, the lock member 64 has a lock detecting switch 10 shown in FIG. 7 as a lock state detecting means.
1 is provided. This lock detection switch 101
When the latch 64r is rotated to the full-latch position, the ball 102 is pushed to bring the contact (not shown) into contact or release, and a signal indicating full-latch is output. That is, the lock detection switch 101 detects that the wheelchair C is completely fixed by the wheelchair fixing device FM.

Returning to FIG. 5 and continuing the description, a pair of guide rollers 65, 65 are rotatably supported on the left and right sides of the chair side first striker 61 and the lock member 64 about a vertically oriented support shaft. ing. This support is performed via the bracket (not shown) described above, and the guide rollers 65, 65 are rotatable along the guide surfaces 15b, 15b provided on the fixing floor 3 at their outer circumferences. It is supported by the height.

Further, a chair side second striker 62 and a chair side third striker 63 which engage with the second hook 12 and the third hook 13 are provided below the middle portion of the left and right pipes 32. Both strikers 62,6
The reference numeral 3 is attached to a plate (not shown) that is stretched over the intermediate horizontal pipe 35 and the rear horizontal pipe 36 in the front-rear direction, and is arranged at a position lower than the intermediate horizontal pipe 35.

Next, the lifting device LM and the back door opening / closing device will be described. 8 and 9 show the right side portion and the left side portion of the lifting device LM and the back door opening / closing device. As shown in both figures, the lifting device LM includes a foldable platform 71, a support portion 72 that supports the platform 71, a slide mechanism 73 that slides the support portion 72 back and forth, and the support portion 72. And an elevating mechanism 74 (see FIG. 1) for vertically moving the.

The supporting portion 72 is provided with carriages 72c provided on the left and right and a connecting portion (not shown) for integrally connecting the carriages 72c.

The slide mechanism 73 is a back door BD.
A pair of left and right guide rails 73g extending in the front-rear direction is provided in the vicinity of, and the carriage 72c is supported so as to be slidable forward and backward along the guide rails 73g. Although not shown, a rack is formed in the front-rear direction on the carriage 72c, and a slide motor MS fixed to a guide rail 73g (see FIG. 11).
Is driven forward and backward, the meshing with the rack moves, and the carriage 72c, that is, the entire supporting portion 72 moves back and forth.

The elevating mechanism 74 includes the left and right carriages 7.
A tower (see FIG. 1) 74t movably supported in the vertical direction is provided at the rear end of 2c. The left and right towers 74t are configured such that, when an up-and-down motor ML (see FIG. 10) supported by the carriage 72c is driven in forward and reverse directions, the gear meshes (not shown) move to move both towers 74t up and down. Has become.

Support brackets 74b are provided on the left and right towers 74t.
The platform 71 is supported. Therefore, when both the left and right towers 74t move up and down, the platform 71 also moves up and down as a whole.

The platform 71 includes a front platform 71f and a rear platform 71r, and as shown in FIG.
The configurations are configured such that f and 71r are close to each other and have a substantially inverted V-shaped folded state, and front and rear platforms 71f and 71r are in a deployed state in which they are substantially aligned. That is, one end of the front platform 71f has the support link 7
It is rotatably supported by the support bracket 74b via 1c, and the rear platform 71r is rotatably connected to the other end of the front platform 71f.

The folding and unfolding of the platform 71 described above is performed by the folding mechanism 75. This folding mechanism 7
5 is a drive link 75r and a platform motor MP
It has and. That is, the drive link 75r has one end rotatably attached to the support bracket 74b and the other end rotatably attached to the rear platform 71r. The platform motor MP is fixed to one of the left and right drive links 75r (on the left side in the illustrated example). The gear provided on the drive shaft (not shown) of the platform motor MP corresponds to the gear 71 provided on the rear platform 71r.
When the platform motor MP is directly or indirectly engaged with g and is driven in the forward and reverse directions, the platform 71 operates in the folded state and the unfolded state as described above.

Further, the elevating device LM constitutes a part of the opening / closing device OP for the back door BD. A part of the lifting device LM that constitutes the opening / closing device OP will be described. As shown in FIG. 8 showing a right side portion of the lifting device LM, a bracket 71e is erected on a side portion of the rear platform 71r and a tip portion thereof is provided. For example, a door opener 77 is provided as a pressing portion formed of a flexible material such as urethane. The door opener 77 is provided so as to push an end portion of the inner panel of the back door BD in the vehicle width direction. That is, the door opener 77 presses the back door BD toward the outside of the vehicle when the lifting device LM is displaced from the illustrated folded state to the deployed state. The back door BD has a gas damper (not shown) interposed between the back door BD and the vehicle body.
When the back door BD is pushed outward by the vehicle M, it is pushed up in the fully open direction by the urging force of the gas damper.

The opening / closing device OP includes an automatic lock device ORM for the back door BD and a back door drive device BOM. The automatic lock device ORM is a back door B.
A latch provided on the lock member 80 having the same structure as the lock member 64 provided on the D (the latch 64r
(Not shown) is driven from the half-latch state to the full-latch state and, conversely, is driven from the full-latch state to the open state where the engagement is released. This configuration will be briefly described with reference to FIG. 8. The back door BD is provided with a lock member 80 similar to the lock member 64 provided on the wheelchair C, and a latch (not shown) of the lock member 80 is provided on the vehicle body side. It is a well-known structure that is engaged with a striker (not shown) to be in a locked state. A lock motor MR is attached to the latch of the lock member 80.
(See FIG. 12) is provided, and the lock motor M
By driving R in the forward and reverse directions, it is possible to selectively and forcibly execute driving of the latch from the open state side to the full latch state side and vice versa. It is configured.

Further, the automatic lock device ORM is shown in FIG.
As shown in, a half-latch switch 111 for detecting the half-latch state of the latch, a close switch 112 for detecting the full-latch state of the latch, and an open switch 113 for detecting the open state of the latch are provided. These switches 111, 112, 113 are
Connected to the door lock control unit DRCU,
The door lock control unit DRCU further includes a handlebar switch 119 for detecting an opening operation on a door handle (not shown) provided on the back door BD, and a back door BD when the back door BD is closed. The door status switch 115 to be closed is connected.

Next, the back door drive device BOM will be described. The back door drive device BOM includes a door motor MD shown in FIG. This door motor MD
Is the floor F near the rear pillar (not shown) at the rear end of the vehicle.
And a drum 82 as a winding means for winding the wire 81 on the drive shaft. In addition, the wire 81 passes through the outer cable 83 arranged in the rear pillar (not shown), and then its tip goes out from the middle portion of the rear pillar and is connected to the middle portion of the back door BD. There is. Both ends of the outer cable 83 are fixed to the vehicle body so that they cannot be dragged by the movement of the wire 81. Further, a clutch (not shown) is provided on the drum 82, and the clutch is fastened when the door motor MD is driven, and the wire 81 can be wound up. When the clutch is not fastened, the wire 81 drives the drive shaft. It is in a free state against. Therefore, when the back door BD is opened when the door motor MD is not driven, the clutch 81 is in the non-engaged state and the wire 81 is pulled out from the drum 82. When the door motor MD is driven from this state, the clutch is engaged and the wire 81 is wound by the drum 82, and the back door BD is pulled toward the vehicle compartment to close.

Next, the main control unit MCU shown in FIG. 11 will be described. This main control unit MCU has, on the output side, the platform motor MP, the slide motor MS, the lifting motor ML,
The ML, the lock motor MR, and the door motor MD are connected. Further, on the input side, a platform deployment detection switch 151 for detecting that the platform 71 is in a deployment state, and a slide rear end detection switch 15 for detecting that the carriage 72c is arranged on the outermost side of the vehicle.
2, the lifter lower limit detection switch 153 that detects that the tower 74t has lowered to the bottom, the platform fold detection switch 154 that detects that the platform 71 has been folded, and the carriage 72c is arranged on the innermost side. A slide front end detection switch 155 that detects that the tower 74t and a lifter upper limit detection switch 156 that detects that the tower 74t is raised to the highest position are provided. Furthermore, in the main control unit MCU,
The door state switch 115, the parking brake switch 116 for detecting that the parking brake (not shown) is in the braking state, and the front door FD beside the driver's seat
Lock detection switch 117 for detecting the locked state of the door
And a back door open detection switch 118 that detects that the back door BD is open are connected.

Further, the main control unit MC
A remote control unit RCU is connected to U. This remote control unit RCU
Has a receiving antenna 131 on the input side, and is configured to receive a signal transmitted from a transmitter 141 provided in the wheelchair C and output it to the control unit CU.

Further, the transmitter 141 of the wheelchair C is connected to the lock detection switch 101, the boarding switch 142 and the getting-off switch 143. Both switches 1
Reference numerals 42 and 143 are so-called remote control switches in the wheelchair C that are operated by the wheelchair user when getting on and off the vehicle. The transmitter 141 and the switches 142 and 143 correspond to remote control means.

The remote control unit RCU
Are connected to the starter relay 133. The starter relay 133 is provided in the remote control unit RCU only when the lock detection switch 101 is closed.
Is a switch that is closed by, and enables the starter motor STM to be driven in this closed state. The starter motor STM is driven according to the starting operation of the key switch circuit 134 which is linked to the operation of a key cylinder (not shown).

Next, the operation of the embodiment will be described with reference to FIGS.
It will be described according to the flowchart of (During boarding) First, the boarding procedure will be described. When getting on, the wheelchair C is placed behind the back door BD of the vehicle. Around this, the door lock of the vehicle (at least the door beside the driver's seat) is released. This door lock may be released by directly inserting a key or by a wireless signal called a keyless entry.

Next, the wheelchair user uses the boarding switch 14
Turn on 2. The signal for turning on the boarding switch 142 is started from the transmitter 141 and received by the antenna 131 of the vehicle, and the boarding switch 142 is turned on.
While operating, each control unit MCU, RCU,
The DRCU performs the boarding control shown in FIG. It should be noted that the conditions for executing this boarding control are that the parking brake switch 116 detects the braking state of the parking brake, the door state switch 115 detects the fully closed state of the back door BD, and the ignition switch (not shown) is turned off. This is the case where the shift is made to the P range by an inhibitor switch or the like (not shown).

At the time of this boarding control, first, step 20
In step 1, backdoor lock release processing is executed. In this back door lock release processing, the lock motor MR is driven in the releasing direction until the open switch 114 detects the open position of the latch. As a result, the latch (not shown) of the lock member 80 of the back door BD is disengaged from the striker.

When the drive of the lock motor MR is stopped,
Proceeding to next step 202, the platform expansion processing is started. In this platform unfolding process, the platform motor MP is driven in the lifting device LM to unfold and operate the platform 71 in the folded state. At the time of this unfolding operation, the door opener 77 provided on the rear platform 71r pushes the back door BD in the unlocked state toward the outside of the vehicle, and the back door BD is actuated in the opening direction. It is opened to the fully open state by the urging force of the gas damper. At this time, it is preferable to notify the unfolding operation with a buzzer or the like.

Platform deployment detection switch 151
When it is detected that the platform 71 is in the expanded state, the process proceeds to the next step 203 to execute the platform expansion end process. By this platform expansion end processing, the drive of the platform motor MP is stopped. Also, the notification by the buzzer or the like is finished.

Next, in step 204, the backward slide process is executed. By this process, the slide motor M
Drive S to the rear slide side. As a result, the carriage 72c slides rearward, and along with this, the tower 74t and the platform 71 integrally slide rearward.

Next, when it is detected by the slide rear end detection switch 152 that the carriage 72c is arranged on the outermost side of the vehicle, the rear slide end process of step 205 is executed to end the drive of the slide motor MS.

Next, the routine proceeds to step 206, where the descending process is executed. By this descending process, the left and right lifting motors ML
Is driven to the descending side to lower the platform 71 together with the tower 74t with respect to the carriage 72c. When it is detected by the lifter lower limit detection switch 153 that the tower 74t is lowered to the lowest position, the lowering end process of step 207 is executed to stop the driving of the lifting motor ML.

At this time, the platform 71 is descending to the ground, and the wheelchair user advances the wheelchair C onto the platform 71. In addition, it is preferable to provide a means for restricting the rearward movement of the wheelchair C at the rear end of the platform 71.

Next, the wheelchair user uses the boarding switch 14
Press 2 further. As a result, the continuation of the boarding control shown in FIGS. 14 and 15 is executed. In this boarding control, first, in step 211, an ascending process is executed. As a result, the lifting motor ML is driven upward, and the tower 74t is driven upward, so that the platform 71 and the wheelchair C are raised together with the tower 74t.

When it is detected by the lifter upper limit detection switch 156 that the tower 74t has risen to the highest position, the ascending end process of step 212 is executed to stop the driving of the elevating motor ML.

Next, in step 213, the forward slide process is executed. As a result, the slide motor MS is driven forward, and the carriage 72c and the platform 71 are slid forward.

When it is detected by the slide front end detection switch 155 that the carriage 72c is disposed on the innermost side, the front slide end process of step 214 is executed to stop the drive of the slide motor MS.

Here, the wheelchair user moves the wheelchair C forward along the moving passage R according to the guidance by the riding mark GS toward the driving space DS. If the boarding switch 142 is continuously pressed after or while moving to the driving space DS, the close control shown in the flowchart of FIG. 13 is executed. In this close control, first,
In step 221, the folding process is executed to drive the platform motor MP to the folding side. As a result, the platform 71 operates from the deployed state to the folded state.

Thereafter, when it is detected by the platform folding detection switch 154 that the platform 71 is folded, the folding end processing of step 222 is executed to stop the driving of the platform motor MP.

Next, the door closing process of step 223 is executed to drive the door motor MD. This allows
The back door BD is pulled by the wire 81 to perform the closing operation. At the time of this door closing processing, it is preferable to notify by a buzzer or the like.

When it is detected by the door state switch 115 that the back door BD is closed, the door closing end processing of step 224 is executed to stop the driving of the door motor MD.

Next, the routine proceeds to step 225, where the door lock process is executed and the lock motor MR is driven until the close switch 112 is closed. As a result, the lock member 80 provided on the back door BD is fully latched, and the back door BD is completely closed.

Next, a flow from when the wheelchair user gets on the vehicle to when he / she starts driving will be described. The wheelchair user who has boarded as described above moves to the driving space DS along the movement path R. At this time, the wheelchair C is advanced such that the movement guide mark GS is located at the center of the left and right casters 41. In this way, the pair of guide rollers 65 provided at the lower position of the front side horizontal pipe 34 of the wheelchair C causes the guide surfaces 15b provided on the convex portions 15, 15 of the fixing floor 3
The caster 41 of the wheelchair C does not hit the side wall of the vehicle or the passenger seat AS and the wheels 42 do not hit the passenger seat AS by coming into contact with 15b and then moving along the guide surface 15b. And is arranged in the center of the driving space DS while being guided. At this time, the casters 41 and the wheels 42 roll on the left and right outer sides of the fixed floor 3.

When the wheelchair C is advanced to reach a predetermined lock position as described above, the strikers 61 to 63 provided on the wheelchair C are connected to the hooks 11 to 13 provided on the fixing floor 3. Engaging grooves 11b, 12b, 1 of
3b, and the lock member 64 provided on the wheelchair C and the floor striker 21 provided on the fixed floor 3 are engaged and locked.

Incidentally, the second and third hooks 12 and 13, which are the engaging portions at the rear part, and the chair-side second and third strikers 62,
At the engaging portion with 63, the front guide rollers 65, 65 are centered in the left-right direction on the guide surfaces 15b, 15b,
Since the front and rear lengths of the guide surfaces 15b, 15b are sufficient, when the wheelchair C is advanced to the vicinity of the lock position, the rear engagement portion is also centered. If the rear engagement portion is about to deviate from the centering position, one of the second and third strikers 62 and 63 is provided with the restriction surfaces 15a and 15a provided on the fixing floor 3.
The deviation from the centering position is restricted by hitting one of the two strikers 62, 6
The position of 3 does not shift beyond the engageable range with both hooks 12 and 13, and these hooks reliably engage.

In this locked state, the forward movement of the wheelchair C and the vertical movement thereof are the first on the chair side.
~ Third striker 61-63 and first-third hook 11-
The movement of the wheelchair C in the rear and left and right directions is restricted by the engagement with the engagement grooves 11b, 12b, 13b of
It is regulated by the engagement lock between the lock member 64 and the floor striker 21, and is firmly fixed. After that, the seat belt (not shown) is worn and the engine is started.

By the way, in the fixed state of the wheelchair fixing device FM, the lock member 64 provided in the lower portion of the wheelchair C is fixed.
The latch 64r provided in the switch is in the full latch state, and the lock detection switch 101 is turned on. As a result,
The remote control unit RCU shown in 1 switches the starter relay 133 to a closed state in which the starter motor STM can be energized. Therefore, when the wheelchair user operates the engine key to the start position, the key switch circuit 134 energizes the starter motor STM to start the engine. When the position of the wheelchair C deviates from the normal position and the latch 64r provided on the lock member 64 does not reach the full latch state, the lock detection switch 101 is turned off and the starter relay 133 is maintained in the open state. , The starter motor STM is not driven even if the engine key is turned to the start position. Therefore, it is possible to prevent the driving from being started in a state where the wheelchair C is not fixed.

(When getting off) Next, the procedure of getting off will be described. When stopping the engine and getting off the vehicle, first, the seat belt is removed, the engine key is removed, and the parking brake PBK is brought into a braking state. Release lever 64c
Is lifted to pull the cable 64b to unlock the lock member 64, and the wheelchair C is moved rearward in the unlocking direction while maintaining the unlocked state. As a result, the engagement between the lock member 64 and the striker 21 can be released, and the hooks 11 to 13 can be released.
Since the chair-side strikers 61 to 63 are not engaged with the rear side, this engagement can be released.

Next, after releasing the door lock, the wheelchair C
When the dismounting switch 143 provided in the vehicle is pushed, dismounting control is executed. In this disembarkation control, the same control as the boarding control is actually executed. First, the back door BD is fully opened and the platform 71 is expanded by executing the processing of steps 201 to 203 according to the flowchart shown in FIG. It becomes a state.

Here, the wheelchair user is required to drive in the driving space DS.
To the top of the platform 71 through the movement path R. As a result, when the wheelchair C moves onto the platform 71, the dismounting switch 143 is pressed again to continue dismounting control. Therefore, step 2
Based on the processing of 04 to 207, the platform 71 is slid to the outside of the vehicle and then descends to the ground. Therefore, the wheelchair user uses the wheelchair C on the platform 71.
From above to the ground.

After that, the wheelchair user uses the getting-off switch 1
Press 43 to execute the processing of steps 211 to 225 shown in the flowcharts of FIGS. 14 and 15.
As a result, as described above, the platform 71 is raised and then slid into the vehicle and folded. Further, the back door BD is closed and locked.

(When the third row seat is used) When the third row seat TS is used, the platform 71 of the lifting device LM is set to the unfolded state and further slid rearward to set the seat to the used state without any obstacle. After that, the platform 71 is slid forward to the original position and then brought into the folded state. In this case, the platform 71 is housed between the third row seat TS and the back door BD.

As described above, in the wheelchair vehicle according to the embodiment of the present invention, the back door BD is opened by using the elevating device LM, and a dedicated motor is used to open the back door BD. Do not use the door motor M
D is a door motor MD because it is exclusively used when the back door is closed.
Need not be arranged at a position where the back door BD can be pressed, unlike the conventional case. Therefore, in the present embodiment,
The door motor MD and the drum 82 that is the winding means are stored under the floor F. Therefore, it is possible to improve the degree of freedom in design, for example, the third-row seat TS, which has been difficult to install in the past, can be installed. In addition, the wire 81
Since it is housed inside the outer cable 83, in the present embodiment, even if the inside of the rear pillar is routed from under the floor F, the back door BD can be reliably pulled in the closing direction. Also improved design flexibility.

Further, in this embodiment, the back door B
Since the automatic lock device ORM for automatically locking and unlocking the lock of D is provided, when the back door BD is opened and closed, from the unlocking of the back door BD to the opening operation of the back door BD, and the closing of the back door BD. It was possible to automatically perform everything from operation to locking, improving usability.

(Other Embodiments) A back door opening / closing device according to another embodiment will be described below. In this description, the configuration common to the first embodiment is the same as that of the first embodiment. The description is omitted by attaching the reference numerals, and the difference from the first embodiment will be described.

(Second Embodiment) A back door opening / closing device according to a second embodiment of the present invention corresponds to the invention described in claims 1 to 4 and 6. In the second embodiment, the lifting device L
As shown in FIG. 16, the M configuration is such that one platform 271 slides back and forth with respect to the support bracket 272. That is, the guide rails 271 are provided at the left and right ends of the platform 271.
g extends in the front-rear direction. On the other hand, on the support bracket 272, a roller (not shown) that supports the guide rail 271g, a pinion (not shown) that meshes with a rack (not shown) formed along the guide rail 271g, and the pinion is rotated. Motor (not shown)
It has and. Therefore, by rotating the motor (not shown) forward and reverse, the platform 27
1 slides back and forth. Further, the rear end of the platform 271 is used as a pressing portion. Further, a flapper 271f is rotatably attached to the rear end portion of the platform 271, and a handrail 271f is attached to the side portion.
h is provided.

The support bracket 272 is shown in FIG.
As shown in FIG. 7, a parallel link mechanism 273 is movably supported from a position inside the vehicle on the floor F to a position outside the vehicle on the ground as shown in FIG. This parallel link mechanism 273
Is a support arm 273 that is integral with the support bracket 272.
a and the power unit 27 fixed to the floor F of the vehicle
4 and parallel arms 273b and 273 for connecting them in parallel.
73b and is operated by a cylinder 274c provided in the power unit 274.

In the second embodiment, when the wheelchair C is mounted on the vehicle, first, the back door BD is unlocked automatically or manually as in the first embodiment, and then, As shown in FIG. 17, the platform 271 stored in the vehicle is slid rearward with respect to the support bracket 272. By this slide, the rear end portion (pressing portion) of the platform 271 pushes the back door BD backward as illustrated, and the back door BD is opened as in the first embodiment.

After that, when the platform 271 slides to the rearmost with respect to the support bracket 272,
The cylinder 274c of the power unit 274 is driven. As a result, the parallel link mechanism 273 moves the support bracket 272 and the platform 271 supported by the support bracket 272 to the ground as shown in FIG.

In this state, the wheelchair C is moved to the platform 2
71 can be mounted. Then, contrary to the above,
The support bracket 272 and the platform 271 are moved to the floor F, and the platform 27
1 is slid forward with respect to the support bracket 272. Then, the wheelchair C is moved from the platform 271 to the floor F. After that, the operation of closing the back door BD is similar to that of the first embodiment.

In this way, even in the second embodiment, as in the first embodiment, since the back door BD is pressed by using the existing lifting device for wheelchairs, when the back door BD is opened. Since it is not necessary to provide a structure for pressing the back door BD in the vicinity of the back door BD, the degree of freedom in design is improved.

(Third Embodiment) A back door opening / closing device according to the third embodiment corresponds to the invention described in claims 1 to 4 and 7. This Embodiment 3 is similar to FIG.
As shown in FIGS. 9 and 20, a slope device 370 having a slope plate 371 connecting the floor F and the ground is provided near the back door BD, and the back door BD is opened at the rear end of the slope plate 371. Pushing part 372 for pushing in the direction
Is an example in which is provided.

The slope plate 371 is divided into a front slope plate 371a and a rear slope plate 371b, and the rear end of the front slope plate 371a and the front end of the rear slope plate 371b are rotatable. It is connected. Further, a power cylinder 373 as a folding mechanism is connected to the front slope plate 371a, and the front slope plate 371a is provided with its rear end at a rear end as shown in FIGS. The sloping plate 371 is rotatably supported to a tilted position in which the slope plate 371a is tilted downward and the front slope plate 371a is rotated in this manner.
Is configured to be deformable into a folded state in which the side view is substantially V-shaped and a developed state in which it is laid over the floor F and the ground as shown in FIGS.

In the third embodiment, the electric winch device 374 for pulling up the wheelchair C on the floor F by extending the wire 374w from the vicinity of the back door BD and winding the wire 374w is mounted. ing.

In the third embodiment, when the wheelchair C is mounted, first, the back door BD is unlocked automatically or manually as in the first embodiment, and then the power cylinder is released. 373 is driven, and the slope plate 371 stored in the vehicle in a folded state is expanded and operated as shown in FIG. At this time, the rear slope plate 3
The pressing portion 372 provided at the rear end of 71b is the back door BD.
Is pressed backward to open the back door BD as in the first embodiment.

After that, when the slope plate 371 is expanded as shown in FIG. 19 and bridged between the floor F and the ground, the wheelchair C is moved to the rear end of the slope plate 371 and the wire 374w of the winch device 374 is moved. After being hooked, the winch device 374 is operated to lift the wheelchair C to the floor F.

When the wheelchair C is moved to the floor F, the power cylinder 373 is driven in the opposite direction to the upright side of the front slope plate 371a, and the slope plate 371 is folded and stored in the vehicle compartment. Back door BD
Is closed automatically as in the first embodiment or manually.

Thus, also in the third embodiment, similar to the first embodiment, the existing slope device 37 for wheelchairs is used.
Since 0 is used to press the back door BD, it is not necessary to provide a structure for pressing the back door BD when the back door BD is opened in the vicinity of the back door BD, and the degree of freedom in design is improved.

(Fourth Embodiment) A back door opening / closing device according to the fourth embodiment corresponds to the invention described in claims 1 to 4 and 8. This Embodiment 3 is shown in FIGS.
As shown in FIG. 7, the pressing member 472 is provided on the arm member 471 of the wheelchair storage device 470 provided near the back door BD.

The wheelchair storage device 470 is connected to a substantially V-shaped arm member 471 and a base end portion of the arm member 471, and the arm member 471 is erected in the vehicle compartment as shown in FIG. The standing position (position inside the vehicle) and Fig. 2
The laid-down position (outside the vehicle) that fell to the rear of the vehicle as shown in 2.
And a rotating mechanism 473 for rotating between and. The arm member 471 suspends the folded wheelchair (not shown). The wheelchair to be stored by the wheelchair storage device 470 is an extremely general wheelchair different from that shown in the first embodiment, and a seat cushion portion and a seatback portion are different from those of the general wheelchair. In the folded state of the wheelchair, the seat cushion portion and the seat back portion are formed in a cloth shape and are folded in a substantially U shape or a substantially V shape. In such a wheelchair, the folded cloth-like seat cushion portion can be inserted into the pressing portion 472 of the arm member 471 and hung.

In the fourth embodiment, when the wheelchair is mounted, first, the back door BD is unlocked automatically or manually as in the first embodiment, and then the turning mechanism is used. By driving 473, the arm member 471 is rotated from the standing position in the vehicle compartment shown in FIG. 21 to the lying position outside the vehicle shown in FIG. At this time, the pressing portion 472 of the arm member 471 presses the back door BD in the opening direction, and the back door BD is opened as in the first embodiment.

When the arm member 471 is thus arranged in the lying position outside the vehicle, the wheelchair is folded and the seat cushion portion is pressed by the pressing portion 47 of the arm member 471.
Suspend to 2.

Next, when the rotating mechanism 473 is driven to rotate the arm member 471 to the standing position, the wheelchair suspended by this is also stored in the vehicle compartment. After that, the back door BD is closed automatically or manually as in the first embodiment.

In this way, even in the fourth embodiment, as in the first embodiment, since the back door BD is pushed by using the existing wheelchair storage device 470, when the back door BD is opened. It is not necessary to provide a structure for pressing the back door BD near the back door BD, and the degree of freedom in design is improved.

Although the embodiment has been described with reference to the drawings, the present invention is not limited to this embodiment. For example, the present invention is directed to at least the lifting device L.
It is sufficient that M is provided with a pressing means and has an element that automatically opens the back door BD by the operation of the lifting device.
The closing operation of the back door BD may be performed manually, or when the closing operation is performed by the door motor, it is not limited to the means of pulling with the wire, and for example, the vicinity of the rotation center of the back door may be used. Thus, the driving force may be transmitted to the back door via a gear or the like.
In addition, as in the embodiment, the back door BD is connected to the wire 81.
Even when adopting the configuration in which the door motor MD is pulled via the door, the installation position of the door motor MD is not limited to the position shown in the embodiment, and may be in the pillar, in the side wall of the vehicle, or in the ceiling. You may make it install in another position. In the present embodiment, since the same operation is performed when the passenger gets on and off the vehicle, the same switch may be provided without distinction between the getting-on switch 142 and the getting-off switch 143.

[Brief description of drawings]

FIG. 1 is a plan view showing a wheelchair vehicle to which a back door opening / closing device according to a first embodiment is applied.

FIG. 2 is a perspective view showing a screw with a cap in the wheelchair vehicle.

FIG. 3 is a wheelchair fixing device FM in the wheelchair vehicle.
It is a perspective view which shows the structure of.

FIG. 4 is a side view showing a first hook in the wheelchair vehicle.

FIG. 5 is a perspective view showing a schematic configuration of a wheelchair C in the wheelchair vehicle.

FIG. 6 is a cross-sectional view showing a lock member provided in a wheelchair.

FIG. 7 is a sectional view showing a lock member provided in a wheelchair.

FIG. 8 is a side view showing an elevating device and a back door opening / closing device in the wheelchair vehicle.

FIG. 9 is a side view showing an elevating device and a back door opening / closing device in the wheelchair vehicle.

FIG. 10 is an operation explanatory view of the lifting device in the wheelchair vehicle.

FIG. 11 is a circuit diagram of a main control unit.

FIG. 12 is a circuit diagram of a door lock control unit.

FIG. 13 is a flowchart showing a flow of getting-off control.

FIG. 14 is a flowchart showing a flow of boarding control.

FIG. 15 is a flowchart showing a flow of boarding control.

FIG. 16 is a perspective view showing a rear portion of a wheelchair vehicle to which the back door opening / closing device according to the second embodiment is applied.

FIG. 17 is a side view of a main part of the wheelchair vehicle.

FIG. 18 is a perspective view showing a rear portion of a wheelchair vehicle to which the back door opening / closing device of the third embodiment is applied.

FIG. 19 is a perspective view of the same.

FIG. 20 is a perspective view of the same.

FIG. 21 is a perspective view showing a rear portion of a wheelchair vehicle to which the back door opening / closing device of the fourth embodiment is applied.

FIG. 22 is a perspective view of the same.

[Explanation of symbols]

1 rear opening 2 Screw with cap 2b base 2c cap 2d mark part 2h integrated hinge 2s screw 3 Fixed floor 11 hooks 11a hook part 11b engagement groove 11c Tapered part 12 hooks 12a hook part 12b engagement groove 13 hooks 13a hook part 13b engagement groove 15 convex 15a Regulatory aspect 15b Guide surface 21 Floor striker 30 mainframe 31 hub block 32 Left and right pipes 33 frame pipes 34 Front side horizontal pipe 35 Middle horizontal pipe 36 Rear side pipe 37 Vertical pipe 38 footrest 41 casters 42 wheels 50 sheets 51 seat cushion 52 seat back 53 Armrest 61 striker 62 striker 63 striker 64 Lock member 64b cable 64c release lever 64r latch 64s lock claw 64a U-shaped groove 65 Guide roller 71 platform 71c support link 71e bracket 71f Front platform 71g gear 71r Rear platform 72 Support 72c carriage 73g guide rail 73 Slide mechanism 74 Lifting mechanism 74b support bracket 74t tower 75 Folding mechanism 75r drive link 77 door opener 80 Lock member 81 wires 82 drums 83 Outer cable 101 Lock detection switch 102 balls 111 Half Latch Switch 112 Close switch 113 open switch 114 open switch 115 Door status switch 116 Parking brake switch 117 Lock door detection switch 118 Back door open detection switch 119 Handle switch 131 receiving antenna 133 Starter Relay 134 key switch circuit 141 transmitter 142 boarding switch 143 Exit switch 151 Platform deployment detection switch 152 Slide rear end detection switch 153 Lifter lower limit detection switch 154 Platform Folding Detection Switch 155 Slide front end detection switch 156 Lifter upper limit detection switch 271 platform 271f flapper 271g Guide rail 271h handrail 272 Support bracket 273 parallel link mechanism 273a support arm 273b Parallel arm 274 Power Unit 274c cylinder 370 slope device 371 slope plate 371a Front slope plate 371b Rear slope plate 372 Pressing part 373 power cylinder 374 winch device 374w wire 470 Wheelchair storage device 471 Arm member 472 pressing part 473 rotation mechanism BD back door BOM back door drive C wheelchair CU control unit DRCU Door lock control unit MCU main control unit RCU remote control unit DS operating space AS passenger seat SS 2nd row seat TS 3rd row seat F floor FD front door FM wheelchair fixing device GS movement guide mark LM lifting device MD door motor ML lifting motor MP platform motor MR lock motor MS slide motor OP switchgear ORM automatic locking device PBK parking brake R moving passage

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yusuke Sekino             824 Hagien, Chigasaki City, Kanagawa Prefecture 2 Co., Ltd.             Within Autech Japan

Claims (8)

[Claims] 1. A back door having a pressing means for pressing a back door that opens and closes a rear opening in the vehicle exterior direction, and presses the pressing means to open and rotate the back door when the back door is in an unlocked state. In the opening / closing device, an entrance / exit actuating device is provided in the passenger compartment near the back door to move in and out of the wheelchair through a rear opening, and the entrance / exit actuating device is used as a pressing means to move in and out through the rear opening. A back door opening / closing device, characterized in that the back door is pushed toward the outside of the vehicle by a portion. 2. The back door opening / closing device according to claim 1, further comprising: winding means for pulling the back door in a closing direction via a wire and a door motor for operating the winding means. Door opening and closing device. 3. The back door opening / closing device according to claim 2, wherein the wire is provided with an outer cable wrapping the wire. 4. The back door opening / closing device according to claim 1, further comprising an automatic lock device that unlocks the back door. 5. The back door opening / closing device according to claim 1, wherein a platform for mounting a wheelchair is used as the access device, and a lifting device for moving from a vehicle interior position to a ground position is used. The platform is divided into a front platform and a rear platform in the front and rear, and a rear end of the front platform and a front end of the rear platform are rotatably connected to each other, and It has a folding mechanism that transforms it into a folded state of a substantially inverted V shape and a deployed state in which it is aligned substantially horizontally with the ground, and the platform is part of the lifting device from the folded state to the deployed state. A back door opening / closing device, which is provided with a pressing portion for pressing the back door toward the outside of the vehicle when the back door is opened. 6. The back door opening / closing device according to claim 1, wherein a platform for mounting a wheelchair is used as the entrance / exit actuating device, and the platform is moved from an in-vehicle position to a ground position. Has a slide support part that slidably supports the platform in the front-rear direction, and a moving mechanism that moves the slide support part to a vehicle floor position and a ground position. A back door opening / closing device comprising a pressing portion that presses the back door when sliding backward with respect to the support portion. 7. The back door opening / closing device according to any one of claims 1 to 4, wherein a slope device having a slope plate connecting a vehicle floor and the ground is used as the entrance / exit operation device, wherein the slope plate is The front slope plate is divided into a front slope plate and a rear slope plate, and a rear end portion of the front slope plate and a front end portion of the rear slope plate are rotatably connected to each other. It has a folding mechanism that transforms it into a letter-shaped folded state and a deployed state that is laid over the vehicle floor and the ground, and from the folded state of the slope plate with the rear end of the rear side slope plate as a pressing part. A back door opening / closing device, wherein the pressing portion presses the back door toward the outside of the vehicle when operating in the deployed state. 8. The back door opening / closing device according to claim 1, wherein a wheelchair storage device is used as the access operation device, and the wheelchair storage device includes an arm member for suspending a folded wheelchair. In addition to having this arm member,
In the vehicle, a wheelchair has a rotating mechanism that rotates the wheelchair away from the vehicle floor to an in-vehicle position and an outside position that is located outside the vehicle and is lower than the in-vehicle position. The arm member uses a part of the arm member as a pressing portion. A back door opening / closing device, wherein the pressing portion presses the back door when the member rotates from the vehicle interior position to the vehicle exterior position.