JPH09168566A - Wheel chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wheel chair by which the handicapped can easily get on a car, and which can be used for various purposes. SOLUTION: This wheel chair C has an extendable support post 3 standing on either right or left side of the main frame 1 of the wheel chair C with casters 2, and a rotation arm 8, which is rotatable forward and backward, pivotally supported at the top of the support post 3. Support shafts 20 and 21 extending toward the other left or right side of the main frame 1 are rotatably attached at the front and rear ends of the rotation arm 8, and both edges of the belt-like seat member 24 are wound around the support shafts 20 and 21 respectively. The handicapped is sat down on the seat member 24 and the seat member 24 is inserted to the upper part of the seat of a car from a door of the car. In this condition, the handicapped is transferred to the car seat by rotating the support shafts 20 and 21 and releasing the seat member 24. After that, the seat member 24 on which the handicapped is sitting is detached from the support shafts 20 and 21 and the wheel chair C is taken out of the door of the car.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheelchair, and more particularly to a wheelchair capable of easily getting a disabled person, an elderly person, a patient, etc. on and off a vehicle.

[0002]

2. Description of the Related Art When a person with a physical disability who is unable to walk by himself or herself is put in or out of a wheelchair from a wheelchair or a vehicle, the caregiver must hold the body of the physically handicapped person or the like, which is extremely burdensome. I have a big problem.
Then, the thing that can lift the seat of the wheelchair is Shokai 5
No. 7-93320 and Japanese Utility Model Laid-Open No. 6-68742. It is also known that a lifter provided with a sling at the tip of an arm lifts the body of a disabled person or the like to get on or off, or a lifter provided on an automobile gets on or off a wheelchair together.

[0003]

[0006] By the way, although the seats of the wheelchair can be arranged at the same height as the seats of the car in the one described in the above publication, the body of a disabled person or the like is moved between the seats. It still required a large amount of labor to do so, and the labor of the caregiver could not be sufficiently reduced. Further, the one using the lifter is not general because it requires a large apparatus and increases the cost.

The present invention has been made in view of the above circumstances, and provides a wheelchair capable of easily getting a person with a physical disability in and out of a vehicle and being used for various other purposes. The purpose is to provide at low cost.

[0005]

In order to achieve the above object, the invention described in claim 1 is a main frame having wheels, and a support post that is vertically expandable and contractible provided on one left and right side of the main frame. A swing arm pivotally supported at its intermediate portion by a support post so that it can swing back and forth; two support shafts extending from both ends of the swing arm to the other side of the main frame; and two support shafts. And a strip-shaped seating member whose both ends are supported.

The invention described in claim 2 is characterized in that, in addition to the structure of claim 1, both ends of the seating member are detachable with respect to the two support shafts.

According to a third aspect of the present invention, in addition to the structure of the first aspect, looseness of the seating member is adjusted by rotating two support shafts and winding up both ends of the seating member. Characterized by being free.

Further, in the invention described in claim 4, in addition to the structure of claim 1, the swing arm is composed of a main arm pivotally supported by a support post and a sub-arm which is expandable and contractable with respect to the main arm. It is characterized by being configured.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described based on embodiments of the present invention shown in the accompanying drawings.

1 to 11 show an embodiment of the present invention. FIG. 1 is an overall perspective view of a wheelchair, FIG. 2 is a two-direction arrow view of FIG. 1, and FIG. 3 is a three-direction arrow of FIG. 2 is a perspective view, FIG. 4 is an enlarged sectional view taken along line 5-5 of FIG. 2, FIG. 6 is an enlarged sectional view taken along line 5-6 of FIG. 3, and FIG. FIG. 8 is a diagram showing a folded state of the wheelchair, and FIGS. 9 to 11 are diagrams showing other usage states of the wheelchair.

As shown in FIGS. 1 to 4, the wheelchair C has a main frame 1 formed in an H shape in a plan view,
The four casters 2 provided at the four corners enable traveling in any direction. The support post 3 provided on the left side surface of the main frame 1 is slidable inside the fixed post 4 and the fixed post 4 which is erected on the main frame 1 and accommodates a hydraulic pump and a hydraulic cylinder (not shown) therein. And an ascending / descending post 5 that ascends and descends by being fitted to. When the pedal 6 provided at the lower portion of the fixed post 4 is depressed, the hydraulic pump operates and the hydraulic cylinder extends, so that the lifting post 5 rises with respect to the fixed post 4. When the lever 7 provided at the intermediate portion of the fixed post 4 is operated, the hydraulic cylinder contracts due to its own weight, and the lifting post 5 descends with respect to the fixed post 4.

The swing arm 8 pivotally supported on the upper end of the support post 3 so as to be able to swing back and forth includes a main arm 11 whose base end is pivotally supported on the upper end of the elevating post 5 via a pivot 10, and a main arm. The sub arm 12 is slidably fitted in the inside of the base 11.

As will be apparent by referring to FIG. 5 together,
Two plate-like parts 11 provided at the base end of the main arm 11₁,
11₁One plate-shaped part 5 provided at the upper end of the lifting post 5 between
₁Are arranged, and these three plate-shaped portions 11 are arranged.₁, 11
₁, 5₁Small-diameter portion 10 of the pivot 10 penetrating the₁The male screw
One plate-shaped portion 11₁It is screwed onto the nut 13 welded to.
Therefore, the large diameter portion 10 of the pivot 10_TwoThe lever 14 on the
When the male screw is tightened into the nut 13 by operation, the large diameter portion
10_TwoAnd the nut 13 between the three plate-shaped portions 11 ₁, 11
₁, 5₁Is clamped and the angle of the swing arm 8 is fixed.
You. In addition, the lever 14 is operated to lock the male screw into the nut 13.
The angle of the swing arm 8 can be arbitrarily adjusted by loosening
Can be.

A pin 16 having a knob 17 is supported by a cup-shaped bracket 15 provided on one side surface of the main arm 11. The tip of this pin 16 is a pin hole 11 ₂ formed in the main arm 11. , At any one of the plurality of pin holes 12 ₁ formed in the sub-arm 12 (see FIG. 1). The elastic force of the spring 19 provided between the spring seat 18 provided on the pin 16 and the bracket 15 urges the pin 16 in the direction of engaging the pin holes 11 ₂ , 12 _1, ... Therefore, pulling the knob 17 against the resilient force of the spring 19, if disengage the pin 16 from the pin holes 12 _1, can be slid in any position with respect to main arm 11 the sub-arm 12, The sub arm 12 can be fixed to the main arm 11 by engaging the pin 16 with the predetermined pin hole 12 ₁ .

Both ends of the swing arm 8, that is, the main arm 1
Two support shafts 20 and 21 extending toward the right side surface of the wheelchair C are cantilevered at the tip of 1 and the tip of the sub-arm 12. Each of the support shafts 20 and 21 is rotatable by handles 22 and 23 provided on the base end side thereof, and can be non-rotatably fixed by a stopper (not shown).
As will be apparent with reference to FIG. 6 as well, hooks 25 having a L-shaped cross section are provided at both ends of a seating member 24 formed of a cloth such as canvas in a belt shape. It is engageable with hook engaging grooves 20 ₁ and 21 ₁ having an L-shaped cross section formed in the support shafts 20 and 21 in the axial direction. The hook engaging grooves 20 ₁ and 21 ₁ are the support shaft 2
It is open at the tip of 0, 21 and therefore the hook 25,
25 from the tips of the support shafts 20 and 21 to the hook engagement groove 20.
Both ends of the seating member 24 can be fixed to the support shafts 20 and 21 by engaging and sliding with ₁ and 21 ₁ .

When the support shafts 20 and 21 are rotated by the handles 22 and 23 and the seating member 24 is wound around the outer periphery of the support shafts 20 and 21, the tension of the seating member 24 can be arbitrarily changed. You can adjust the sitting comfort.

Since this wheelchair C has the above-mentioned simple structure, it can be manufactured at an extremely low cost.

Next, the operation of the embodiment of the present invention will be described.

For example, when a person with a physical disability who is difficult to walk on his / her own is to be seated on the seat of a vehicle, first, as shown in FIG. 7A, the wheelchair C is mounted on the seating member 24 while the person with a physical disability is sitting on the vehicle. Next to the door opening of. At this time, the height of the support post 3 is adjusted by operating the pedal 6 and the lever 7 so that the two support shafts 20 and 21, the seating member 24, and the body of the physically handicapped person can be easily inserted into the vehicle compartment through the door opening. At the same time, the lever 14 is operated to adjust the angle of the swing arm 8. The length of the swing arm 8 (that is, the amount of protrusion of the sub arm 12 from the main arm 11) and the tension of the seating member 24 are adjusted in advance according to the size of the physically handicapped person and the size of the door opening. There is a need.

Subsequently, as shown in FIG. 7 (b), the wheelchair C is further moved to the side of the automobile, and a part of the main frame 1 is made to sink into the lower surface of the automobile, whereby the seating member 2
Move the body of the physically handicapped sitting in 4 above the seat of the car. At this time, since the support post 3 is erected on the left side of the main frame 1 in a biased manner, the support post 3 does not interfere with the door opening of the automobile.

Then, as shown in FIG. 7 (c), when the lever 7 is operated to lower the elevating post 5, the body of the handicapped person is lowered and transferred to the seat of the automobile. Then, when the wheelchair C is moved in a direction away from the automobile with the seating member 24 completely unwound from the support shafts 20 and 21, the hooks 25 at both ends of the seating member 24 are supported by the support shafts 2 and 21.
The body of the physically handicapped person is left on the seat of the automobile together with the seating member 24 by being disengaged from the hook engaging grooves 20 ₁ , 21 _{1 of} 0, 21.

In this way, the disabled person's body can be transferred to the seat of the car without lifting it from the wheelchair C, so that the burden on the caregiver can be greatly reduced.

As shown in FIG. 8, the elevating post 5 of the support post 3 is lowered to be housed in the fixed post 4, and the sub arm 12 of the swing arm 8 is slid and housed in the main arm 11. Further, if the swing arm 8 is swung along the support post 3, the wheelchair C
Can be compactly folded and easily mounted on a car.

Therefore, if the wheelchair C is carried with a disabled person in a car and the user arrives at the destination, the wheelchair C can be used again to remove the disabled person from the seat of the car. This work is performed in the reverse order of the above. First, while the wheelchair C is placed horizontally on the door opening of the automobile and the two support shafts 20 and 21 are inserted into the vehicle compartment, the hooks of the support shafts 20 and 21 are hooked. Engagement groove 2
0 _1, 21 at both ends of the hook 25 of the seat member 24 to ₁
Is engaged. When the handles 22 and 23 are operated in this state to wind up both ends of the seating member 24 around the outer circumferences of the support shafts 20 and 21, the seated member 24 and the body of the disabled person are lifted from the seat, so that the wheelchair C is separated from the automobile. A person with a disability can be transferred from the automobile to the wheelchair C simply by moving in the direction. In this case as well, it is not necessary to lift up the disabled person's body, so that the burden on the caregiver can be greatly reduced.

The wheelchair C can be used in various other ways. For example, in the above-described embodiment, the case where a person with a physical disability is placed in and out of the door opening on the left side of the vehicle has been described. However, as shown in FIG. 9, the swing arm 8 is swung by about 90 ° so that the main arm 11 moves upward. If the sub-arm 12 is on the lower side, it is possible for a handicapped person to get in and out through the door opening on the right side of the automobile.

Further, as shown in FIG. 10, if the swing arm 8 is swingably fixed to a horizontal position, the disabled person sitting in the wheelchair C is laid on the bed, or the disabled person sleeping on the bed is seated on the wheelchair C. You can make it happen. It is also possible to take a bath or wash hair while the disabled person is supported by the wheelchair C while sleeping.

Further, as shown in FIG. 11, the swing arm 8 is fixed at a horizontal position and the sub arm 12 is fixed to the main arm 11.
If it is stored inside, the physically handicapped person can sit sideways on the seating member 24 and have a meal or a medical examination.

Although the embodiments of the present invention have been described in detail above, the present invention can be modified in various ways without departing from the scope of the invention.

For example, in the embodiment, both ends of the seat member 24 are detachable from the support shafts 20 and 21, but they may be fixed. In this case, the seating member 24 is superposed on the side of the seat, and the body of the disabled person is slid laterally to move the seating member 24 to the seat or from the seat to the seating member 24.
You can transfer it to. Further, the material of the seat member 24 is not limited to cloth, and may be synthetic resin such as vinyl.

[0030]

As described above, according to the invention described in claim 1, by inserting the two support shafts provided at both ends of the swing arm into the vehicle compartment through the door opening of the vehicle. Since the body of a disabled person or the like can be easily transferred between the belt-shaped seating member having both ends supported by the two support shafts and the seat of the car, the burden on the caregiver when getting on and off the car is greatly reduced. Can be reduced to Moreover, since the support post is vertically expandable and contractible and the swing arm is swingable back and forth, not only can the seating posture of a disabled person or the like be adapted to the position and shape of the vehicle door opening and seat, The wheelchair can be used to pass the body of a disabled person between the seating member and the bed, or to sit the disabled person for a meal or a medical examination, and to fold the wheelchair compactly when not in use. You can also

According to the invention described in claim 2,
Since both ends of the seating member can be freely attached to and detached from the two support shafts, the body of the physically handicapped person can be transferred together with the seating member, and the caregiver's burden can be further reduced.

According to the invention described in claim 3,
By rotating the two support shafts and winding up both ends of the seating member, the looseness of the seating member can be adjusted.
Not only can the sitting posture be adjusted according to the physical shape of the physically handicapped person, but also the work of lowering the seating member onto the seat or lifting it from the seat when handicapped person is transferred between the wheelchair and the seat is easy. It can be carried out.

According to the invention described in claim 4,
Since the swing arm is composed of a main arm pivotally supported by the support post and a sub-arm that is expandable and contractable with respect to the main arm, the sub-arm can be expanded and contracted to take a sitting posture suitable for the body shape of the disabled or the like. Not only can the wheelchair be compactly folded when not in use.

[Brief description of the drawings]

1] Overall perspective view of a wheelchair

FIG. 2 is a view in the direction of arrows in FIG. 1;

FIG. 3 is a view in the direction of arrows in FIG. 2;

4 is a view in the direction of arrows in FIG. 2;

FIG. 5 is an enlarged sectional view taken along line 5-5 of FIG. 2;

6 is an enlarged sectional view taken along line 6-6 of FIG.

FIG. 7 is an explanatory diagram of an operation.

FIG. 8 is a diagram showing a folded state of the wheelchair.

FIG. 9 is a diagram showing another usage state of the wheelchair.

FIG. 10 is a view showing another usage state of the wheelchair.

FIG. 11 is a diagram showing another usage state of the wheelchair.

[Explanation of symbols]

 1 Main Frame 2 Casters (Wheels) 3 Support Post 8 Swing Arm 11 Main Arm 12 Sub Arm 20 Support Shaft 21 Support Shaft 24 Seating Member

Claims (4)

[Claims] 1. A main frame (1) having wheels (2), a vertically extendable support post (3) provided on one left and right side of the main frame (1), and an intermediate portion of the support post (3). A swinging arm (8) that is swingably supported back and forth, and two support shafts (20, 21) extending from both ends of the swinging arm (8) to the other side of the main frame (1). A wheelchair, comprising: a belt-shaped seating member (24) having both ends supported by two support shafts (20, 21). 2. Wheelchair according to claim 1, characterized in that both ends of the seating member (24) are detachable from the two support shafts (20, 21). 3. The looseness of the seating member (24) is adjustable by rotating the two support shafts (20, 21) to wind up both ends of the seating member (24). The wheelchair according to claim 1. 4. The swing arm (8) comprises a support post (3).
Wheelchair according to claim 1, characterized in that it comprises a main arm (11) pivotally supported on the main arm (11) and a sub-arm (12) which is extendable and retractable with respect to the main arm (11).