JP3157143B1 - Vehicle lifting device - Google Patents

Abstract

An object of the present invention is to provide a vehicular elevating device that is capable of getting on and off a wheelchair with respect to a vehicle, and that can store the wheelchair in a state where the wheelchair is oriented in a traveling direction of the vehicle. SOLUTION: One end of a first arm member 23 is rotatably connected to a bracket 20 attached to an inner surface of a side wall in a vehicle interior, and a second arm member 27 is connected to the first arm member 23 so as to be foldable. I do. The distal end of the second arm member 27 is supported by a roller 33 that can roll along the floor in the vehicle cabin. A guide post 3 is provided at the tip of the second arm member 27.
7 is swingably connected, and a platform 50 capable of supporting a wheelchair is supported along the guide post 37 so as to be able to move up and down. After the wheelchair is put on the platform 50, the platform 50 is lifted along the guide post 37, and the platform 50 is pulled into the vehicle compartment from the opening of the body and moved to the storage position in the vehicle compartment.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle elevating device suitable for getting on and off a wheelchair with respect to a vehicle.

[0002]

2. Description of the Related Art In order to transport a physically handicapped person using a wheelchair, a one-box type vehicle having a passenger room and a trunk room is often used. Such a one-box type vehicle has a relatively large opening formed in the body as compared with a three-box type vehicle, so that loading and unloading of a wheelchair is relatively easy, but it is difficult for a physically handicapped person to sit. Wheelchairs are heavy and are extremely difficult to get on and off, requiring multiple assistants.

In order to solve such inconveniences, Japanese Patent Laid-Open Publication No. Hei 7-117553 proposes a vehicle elevating device which can automatically get on and off a wheelchair with respect to a vehicle.

[0004]

In the vehicle lifting device described in the above-mentioned publication, the front and rear ends of the platform are oriented in the traveling direction of the vehicle with the platform supporting the wheelchair arranged outside the vehicle compartment. After the wheelchair is loaded on the platform, the platform is raised, and when the platform is raised to a position higher than the floor of the vehicle, the platform is supported,
A column in which a lifting device for raising and lowering the platform is incorporated is rotated by 90 ° to store a part of the platform in the vehicle compartment, and in the stored state, the platform is moved in the width direction of the vehicle compartment by the slide mechanism and stored. Because of this configuration, in the retracted state, the wheelchair is in a horizontal state perpendicular to the traveling direction of the vehicle, and there is a disadvantage that a person with a physical disability may feel uneasy when the vehicle is running.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicle elevating device having a simple structure capable of storing a wheelchair in a state facing a traveling direction of a vehicle.

[0006]

In order to solve the above-mentioned problems, according to the present invention, there is provided a bracket attached to an inner surface of a side wall of a vehicle compartment, and a first arm having one end rotatably supported by the bracket. A second member having a distal end supported by a roller which is relatively foldable with respect to the first arm member and which is capable of rolling along a floor surface in the vehicle cabin;
An arm member, a vertically extending guide post rotatably connected to a distal end of the second arm member, a platform for supporting a load supported vertically movable along the guide post, and the platform A lifting device that moves up and down between a lowered position supported by the road surface and a raised position higher than the floor surface in the vehicle, and the movement range of the platform held at the raised position on one plane is defined by a guide post and This configuration employs a configuration in which the entire platform extends from a position outside the vehicle compartment disposed outside the vehicle compartment to a storage position formed in the vehicle compartment through an opening formed in the vehicle body.

[0007] In the vehicle elevating device having the above-described structure, a wheelchair is mounted on a platform disposed outside the cabin at a lowered position where the platform is supported on a road surface. After entering the platform, the platform is raised by the operation of the lifting device, and the platform is raised to a position above the floor in the passenger compartment, and then the second
The guide post is swung around the connection position with respect to the arm member to draw the platform into the opening, and the platform is moved to the storage position, and then the lifting device is operated to support the platform on the floor in the vehicle compartment. Lower the wheelchair to the retracted position.

Here, the guide post for supporting the platform so as to be able to move up and down is rotatably connected to the second arm member, and the second arm member is connected to the first arm member which can swing about the connecting portion to the bracket. The platform can be moved by the first and second arm members and by swinging the guide post.
It can be stored in a state in which the front and rear faces in the traveling direction of the vehicle, and can be transported without giving the physically handicapped a feeling of anxiety.

Further, since the tip of the second arm member is supported by a roller, and the entire weight including the wheelchair placed on the platform is supported by the roller, the second arm member can be moved very smoothly to the position where the platform is stored. be able to.

[0010] Here, a rail is provided on the floor in the vehicle cabin to guide the movement of the roller and guide the platform from within the opening of the body to a position above the storage position.
The platform can be moved more smoothly depending on the storage position.

In this case, stoppers are provided at both ends of the rail to prevent the rollers from coming off, thereby improving safety.

Further, when a driving device for rotating and driving the roller is provided in the second arm member, the platform is drawn into the opening, and then the driving device is driven to rotate the roller, thereby automatically moving the platform to the storage position. Can be moved.

Further, by providing positioning means for positioning the platform at a storage position provided in the vehicle interior, the platform stored at the storage position,
The first arm member and the second arm member can be prevented from shifting due to vibration or the like during traveling of the vehicle, and the wheelchair can be stabilized.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a one-box type automobile AM to which a vehicle elevating device according to the present invention is applied.

The body 1 of the automobile AM has a side opening 3 opened and closed by a slide door 2 and a rear opening 5 opened and closed by a tailgate 4.

As shown in FIGS. 12 and 13, a front side of the passenger compartment 6 is an occupant room 6a, and a trunk room 6b is provided behind the occupant room 6a. Is higher than the floor 7 of the passenger compartment 6a.

The occupant room 6a is provided with a front seat 9 on which a driver and an assistant are seated, and a seating position 10 for storing a wheelchair A is located behind the seat 9 on which the assistant is seated.
It has been. Beside the storage position 10, that is, behind the seat on which the driver sits, a support base 11 having substantially the same height as the floor surface 8 of the trunk room part 6b is provided,
A rear seat 12 on which an attendant sits is provided on the support base 11 so as to be freely undulated.

As shown in FIGS. 2 and 3, a bracket 20 is mounted on the inner surface of one side wall 13 of the trunk room 6b in the passenger compartment 6. The bracket 20 has a pair of upper and lower support pieces 21, and a first arm member 23 is swingably supported about a shaft 22 having both ends supported by the support pieces 21.

One end of a joint arm 25 is rotatably connected to the distal end of the first arm member 23 via a shaft 24.
The rear end of the second arm member 27 is rotatably connected to the other end of the joint arm 25 via a shaft 26.

Here, the first arm member 23 and the second arm member 27 are formed in a square frame shape in which a spacing member 29 is provided between both ends of an arm plate 28 which is vertically opposed.

As shown in FIG. 4, a support piece 30 is provided at a lower end of the front space holding member 29 of the second arm member 27, and a shaft 32 provided on the roller bracket 31 is provided on the support piece 30. Are rotatably supported.

A roller 33 having a groove is rotatably supported by the roller bracket 31. The roller 33 is placed on a rail 34 attached to the floor 8 of the trunk room 6b, and the tip of the second arm member 27 is provided. Supports the department.
The roller bracket 31 supports a motor 35 as a driving device for driving the roller 33 to rotate.

As shown in FIG. 3, the rail 34 is
Has a straight track path 34a substantially parallel to the inner surface of the head, and an inclined track path 34b continuous to the rear end of the straight track path 34a. The front end of the straight track path 34a is located at the storage position as shown in FIG. 10, the rear end of the straight track path 34a is located close to the rear opening 5 of the body 1, as shown in FIG.

As shown in FIGS. 4 and 11, stoppers 36a and 36b are provided at the front and rear ends of the rail 34 to prevent the roller 33 from coming off.

As shown in FIG. 4, the ends of a pair of vertically opposed connecting pieces 38 provided at the lower end of the guide post 37 are rotatable via pins 39 at the distal end of the second arm member 27. It is connected to.

FIG. 6 shows a connecting portion between the second arm member 27 and a connecting piece 38 provided on the guide post 37. The connecting portion restricts the swing range of the guide post 37 with respect to the second arm member 27. A stop mechanism 40 is provided. Here, a stopper 41 and a stopper pin 42 are provided at the distal end of the lower arm plate 28 of the second arm member 27 as the detent mechanism 40, and the stopper 41
Further, the swinging range of the guide post 37 is set to a range of approximately 90 ° by the contact of the both side edges of the connecting piece 38 with the stopper pin 42.

The detent mechanism 40 is not limited to the above.

As shown in FIG. 2, the front end of the second arm member 27 contacts the stopper 36b at the rear end of the rail 34, and the guide post 37 comes into contact with the stopper piece 41 of the second arm member 37. The rear end opening 4 of the body 1 or the outside of the vehicle compartment is arranged in a state where one side edge of the connecting piece 38 of the 37 abuts.

As shown in FIGS. 4 and 5, the guide post 37 is formed of a square pipe, and a guide cylinder 51 rising from the rear end of the platform 50 is slidably fitted to the guide post 37.

A guide groove 52 is formed in the guide cylinder 51 so as to extend in the vertical direction. The base of the connecting piece 38 provided on the guide post 37 is fitted into the guide groove 52, and the guide cylinder 51 is prevented from moving up and down. There is no configuration.

A cylinder 53 as an elevating device is housed inside the guide post 37, and a piston rod 53 a of the cylinder 53 has an end plate 5 for closing the lower end of the guide cylinder 51.
The platform 50 is moved up and down by the operation of the cylinder 53.

A spring 5 is provided on the end plate 54 of the guide cylinder 51.
5 are supported. An end of the end plate 54 faces outward from one outer peripheral surface of the guide cylinder 51, and a connecting shaft 56 is supported at the end.

Both ends of the connecting shaft 56 are connected to the platform 50.
The platform 50 is supported by a bearing 57 provided at a central portion of the upper surface of the upper surface, and the platform 50 is swingable about the connection shaft 56.

Here, the platform 50 has a connecting shaft 56.
The weight on the front side is heavier than the weight on the rear side, and the difference in weight gives a rotational moment to the platform 50 in which the rear portion is lifted upward.

The guide tube 5 is provided at the rear end of the platform 50.
A first contact piece 59 that can contact the lower surface of the protruding portion 58 provided at the lower end of the first contact piece, and a second contact piece 60 that is higher than the first contact piece 59; The platform 50 is maintained in a substantially horizontal state by the contact of the first contact piece 59 with the protrusion 58.

When the platform 50 is lifted, the second contact piece 60 is provided with a lower connecting piece 38 provided on the guide post 37.
Of the platform 50 from the contact state.
Is raised further, platform 5
Numeral 0 swings around the connecting shaft 56 so that the front side can be pulled up.

As shown in FIG. 5, the platform 50 has a pair of side plates 50a. A stop plate 61 is provided at the center of the front and rear ends of the platform 50. The wheel stopper plate 61 is supported by a hinge 62 so as to be able to move up and down, and is raised and lowered through a wire 64 by an operation of raising and lowering a swingable lever 63 provided on one side of the platform 50, and is mounted on the platform 50 in a standing state. The wheelchair A is prevented from moving toward the distal end side of the platform 50 facing the wheel a of the wheelchair A.

As shown in FIGS. 2, 3 and 5, a handle 65 and a positioning hole 66 are provided on one front side of the platform 50. On the other hand, the storage position 10 of the platform 50 in the passenger compartment 6 is shown in FIGS.
As shown in FIG. 1, a positioning piece 67 is provided at a position facing the positioning hole 66, and the platform 50 is positioned at the storage position 10 by the engagement of the positioning hole 66 with the positioning piece 67.

The vehicle elevating device shown in the embodiment has the above-mentioned structure, and when a person with a physical disability gets on a wheelchair, as shown in FIG. 4, a roller for supporting the distal end of the second arm member 27 is used. 6, the guide post 37 is brought into contact with the stopper 36b at the rear end of the rail 34 and, as shown in FIG. The cylinder 53 installed in the guide post 37 in a state where the cylinder 53
To lower the platform 50 to a position where it is supported on the road surface, as shown in FIG.

At this time, the front and rear ends of the platform 50 are oriented in the traveling direction of the automobile AM.

After the platform 50 descends and stops, the wheelchair A is put on the platform 50 from the front end side of the platform 50. In this case, the wheelchair A gets on from the back, and after getting on, the lever 6 shown in FIG.
The pull-up operation of 3 raises the wheel stopper plate 61, and the wheel stopper A prevents the wheelchair A from moving in the front-rear direction by the wheel stopper plate 61 and the guide tube 51.

It should be noted that a seat belt device may be provided on the guide cylinder 51, and the seat belt device may be used to stabilize a physically handicapped person.

After the vehicle stop plate 61 is raised, the cylinder 53 incorporated in the guide post 37 is operated to raise the platform 50. When the platform 50 rises, the guide cylinder 51 rises along the guide post 37,
When the platform 50 rises near the upper limit stop position, the second contact piece 60 contacts the lower connecting piece 38 provided on the guide post 37, and the platform 50 is further pulled up from the contact state. The platform 50 is swung about the connecting shaft 56 so that the front side is lifted, and as shown in FIG.
Is inclined with an upward slope toward the front side.

When the platform 50 rises and stops, the platform 50 is placed in the trunk room 6
It is arranged above the floor surface 8 of b. In the stopped state, the platform 50 is held by the handle 65 shown in FIG.
The platform 50 swings to a position where the connecting piece 38 contacts the stopper pin 42 shown in FIG. By the swing,
The platform 50 is drawn into the vehicle interior 6 as shown in FIG.

After the platform 50 is drawn into the passenger compartment 6 and the motor 35 shown in FIG. 4 is driven to rotate the rollers 33, the rollers 33 roll along the rails 34 and the platform 50 is moved to the storage position. 10 and the direction changes with the movement as shown in FIGS. 9 and 10.

The storage position 10 of the platform 50
When moving to the rear seat 12 as shown in FIG.
Is tilted forward so that the platform 50 does not interfere with the rear seat 12.

When the roller 33 moves to a position where it contacts the stopper 36a at the end of the rail 34, the motor 35 is stopped. At this time, as shown in FIGS. 11 and 12, the platform 50 faces the storage position 10 provided in the occupant room 6 a in the passenger compartment 6.

When the positioning piece 67 and the positioning hole 66 shown in FIG.
The displacement is corrected by swinging the platform 50 around a shaft 39 connecting the second arm member 27 and the connecting piece 38.

After correcting the displacement, the cylinder 5 shown in FIG.
When the platform 50 is lowered by the operation of 3,
The platform 50 is held at the storage position 10 as shown in FIG. 13, and a physically handicapped person sitting on a wheelchair A on the platform 50 is held in a state of facing the traveling direction of the automobile, and has a positioning hole 66 and a positioning piece 67. The state is maintained by the engagement of.

As described above, when the platform 50 is stored, the physically handicapped person can be held in a forward-facing state facing the traveling direction of the vehicle, so that the physically handicapped person can be transported without giving a sense of anxiety to the handicapped person. In addition, by raising the rear seat 12, a physically handicapped person can be transported in a state where the caretaker is seated on the rear seat 12.

It should be noted that a belt securing device may be provided at the storage position 10, and the platform 50 may be fixed by the belt securing device.

When the wheelchair A gets off, the storage position 10
Then, the platform 50 is raised and the platform 50 is raised from the floor surface 8 of the trunk room section 6b. Then, the roller 33 is rotated by the drive of the motor 35 to move the platform 50 to the rear opening 5. When the platform 50 is stopped in contact with the rear end stopper 36b, the second arm member 27 is
Is pivoted about the connecting shaft 39 to the position outside the vehicle compartment, and then the platform 53 is operated by the operation of the cylinder 53.
0 is lowered to a position supported by the road surface.

In the embodiment shown in FIGS. 1 to 13, the wheelchair A is made to get on and off from the rear opening 5 of the body 1, but as shown in FIG. 14, it is made to get on and off from the side opening 3 of the body 1. It may be. In this case, the rail 34 for guiding the movement of the roller 33 is formed in an arc shape,
When the platform 50 whose front and rear ends are orthogonal to the running direction of the vehicle AM outside the vehicle compartment is moved to the storage position 10 by the movement of the vehicle 3, the 90 ° orientation is changed.

In the embodiment, the roller 33 driven by the motor 35 is moved along the rail 34 so that the platform 50 is automatically moved between the openings 3, 5 and the storage position 10. However, the motor 35 may be omitted and the platform 50 may be manually moved between the openings 3 and 5 and the storage position 10. Alternatively, the rails 34 may be omitted, and the rollers 33 may be rolled along the floor of the trunk room 6b or the storage position 10.

[0055]

As described above, according to the present invention, one end of the first arm member is rotatably connected to the bracket attached to the inner surface of the side wall in the vehicle compartment, and the first arm member can be folded. The guide post is connected to the distal end of the second arm member connected to the platform, and the platform is moved up and down along the guide post, so that the wheelchair placed on the platform can get on and off from the opening formed in the body. It is possible to secure the posture of the physically handicapped in the direction in which the car is running while the wheelchair is stored in the storage position in the passenger compartment, so that the disabled person can be transported without giving anxiety. it can.

Further, since the distal end of the second arm member is supported by the roller, the platform can be smoothly moved between the opening and the storage position.

[Brief description of the drawings]

FIG. 1 is a front view showing a state in which a wheelchair is mounted on a platform of a vehicle elevating device according to the present invention;

FIG. 2 is a front view of the vehicle elevating device shown in FIG. 1;

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is a longitudinal sectional front view showing a part of the vehicle elevating device shown in FIG. 2 in an enlarged manner;

FIG. 5 is a plan view of a platform of the vehicle elevating device shown in FIG. 2;

6 is a cross-sectional plan view showing a connecting portion between a guide post and a second arm member of the vehicle elevating device shown in FIG. 2;

FIG. 7 is a partially cutaway front view showing a state where a platform supporting a wheelchair is raised.

FIG. 8 is a plan view showing a state where the platform shown in FIG. 7 is drawn into a vehicle cabin.

FIG. 9 is a plan view showing a state in which the platform shown in FIG. 8 is being moved toward the storage position;

FIG. 10 is a plan view showing a state where the platform shown in FIG. 9 is moved to a position near a storage position.

FIG. 11 is a plan view showing a state where the platform shown in FIG. 10 is moved to a storage position.

FIG. 12 is a front view of FIG. 11;

13 is a front view showing a state where the platform shown in FIG. 11 is stored in a storage position.

FIG. 14 is a plan view showing another example of the vehicle elevating device according to the present invention.

[Explanation of symbols]

 3 Side opening 5 Rear opening 6 Cabin 10 Storage position 20 Bracket 23 First arm member 27 Second arm member 33 Roller 34 Rail 35 Motor 36a, 36b Stopper 37 Guide post 40 Detent mechanism 50 Platform 53 Cylinder 66 Positioning hole 67 Positioning piece

Claims (6)

(57) [Claims] 1. A bracket attached to an inner surface of a side wall of a passenger compartment, a first arm member having one end rotatably supported by the bracket, and a first arm member foldable relative to the first arm member. A second arm member connected at a distal end thereof by a roller capable of rolling along a floor surface in the vehicle cabin; and a vertically extending guide rotatably connected to the distal end of the second arm member. A post, a platform for supporting a load, which is supported to be able to move up and down along the guide post, and a lift for moving the platform up and down between a lowered position supported by a road surface and a raised position higher than the floor surface in the vehicle. And moving the platform on one plane from the exterior position where the guide post and the entire platform are disposed outside the vehicle compartment. A vehicle elevating device having a range extending to a storage position formed in a vehicle interior through an opening formed in a body of the vehicle. 2. The vehicle lift device according to claim 1, further comprising a rail for guiding the movement of the rollers to a floor surface in the vehicle interior to guide the platform from an inside of the body to a position above the storage position. 3. The vehicle elevating device according to claim 2, wherein stoppers are provided at both ends of the rail to prevent the rollers from coming off. 4. The lifting device for a vehicle according to claim 2, wherein a driving device for driving the roller is supported on the second arm member. 5. When the roller is in contact with a stopper provided at the opening end of the rail, the rotation range of the guide post is changed from a position outside the vehicle compartment to a position inside the vehicle compartment disposed inside the vehicle compartment. The vehicle elevating device according to claim 3 or 4, further comprising a detent means for restricting the rotation to a range up to the range. 6. A positioning means for positioning a platform at a storage position of the platform.
6. The lifting device for a vehicle according to any one of claims 1 to 5.