JPH09108270A - Wheelchair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To utilize a vacant space below a seat to enhance the functions of a wheelchair by enabling the seat to be opened and to prevent the mating edge of the seat from interfering with the bottom of the user to make him feel disagreeable and uncomfortable to sit on it. SOLUTION: This wheelchair 1 has a seat 5 whose right and left split seat parts 5a, 5b are pivoted to side frames 15, 15 in such a way as to freely rotate to open downwards. With the right and left split seat parts 5a, 5b supported in horizontal positions, the mating edge 8 between the split seat parts 5a, 5b is formed into an almost crank shape that deviates from the centerline of the seat 5. The possibility that the user, even when seated for a long time, feels pain in his bottom because of the mating edge 8 can be reduced. A handle 28 at the end of a seat support frame 26 is grasped to rotate the frame 26 horizontally about a vertical shaft 27 to move the frame back from the undersides of the split seat parts 5a, 5b, thus allowing the split seat parts 5a, 5b to rotate downward because of their own weight and open the underside of the seat 5.

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, in which a seat can be opened to utilize a space below the seat to enhance the function of the wheelchair. While the buttocks hang on the mating edge of the seat,
The present invention relates to a technique for avoiding uncomfortable feeling and uncomfortable sitting comfort.

[0002]

2. Description of the Related Art Conventionally, a seat portion of a wheelchair has a function of merely sitting, and there has been no technical idea of utilizing a space below the seat portion. That is, a dead space is formed below the seat of the wheelchair. On the other hand, people who are in wheelchairs or volunteers, such as volunteers, can use the space below the seat for storage or open the seat of the wheelchair and use the wheelchair. It is a good thing.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and an object of the present invention is to make it possible to open a seat and to utilize a space below the seat. Then, while enhancing the function of the wheelchair and opening the seat in this way, it is intended to provide a wheelchair that can avoid a situation in which the mating edge of the seat hangs over the buttocks and causes a sense of incongruity and deteriorates sitting comfort. To be.

[0004]

According to the first aspect of the present invention, the seat 5 of the wheelchair 1 is divided into right and left, and the left and right divided seat portions 5a and 5b are rotatable about their side ends. With the left and right split seat portions 5a, 5b supported substantially horizontally, the mating edge 8 of the left and right split seat portions 5a, 5b
The front mating edge portion 8a of the seating portion 5 deviates to one side from the left-right center, the rear mating edge portion 8b of the mating edge 8 deviates from the left-right center to the other side, and the front mating edge portion 8a and the rear mating edge portion 8b are seated. It is characterized in that it is continuous at a continuous edge portion 8c extending in the left-right direction in the front-rear intermediate portion of the portion 5.

According to the first aspect, the seat portion 5 is divided into left and right divided seat portions 5a and 5b, each of which can be opened and rotated about a side end portion, and utilizes a space below the seat portion 5. For example, it can be used for storage, and further, it can be used on the toilet 2 while riding on the wheelchair 1 and use the toilet as it is, so that the function in the wheelchair 1 can be greatly enhanced, and Mating edge 8 of seat portions 5a, 5b
The front edge 8a is shifted from the left and right center of the seat 5 to one side, and the rear edge 8b is shifted from the left and right center of the seat 5 to the other side. It is possible to prevent the sitting comfort from becoming worse.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. Wheelchair 1, as shown in FIG.
The left and right side frames 15, 15 are connected to each other by upper and lower front and rear frames 16, 10 which are substantially orthogonal to the left and right side frames 15, 15 to form a vehicle body frame 17, and at the rear portion of the vehicle body frame 17, left and right wheels 7, 7 are attached to an axle 18, 18 are rotatably mounted. A handwheel ring 19 is provided on the outside of the wheel 7. Casters 20 and 20 are attached to the front of the body frame 17. A footrest 21 is provided at the front of the body frame 17, and a hand push handle 22 is provided above the rear. Left and right side frames 1
A seat portion 5 is installed between 5 and 15, and an armrest 23 and a backrest 24 are formed. Thus, an attendant can hold the hand-pushed handle 22 to run the wheelchair 1 while intervening, or a person on the wheelchair 1 can rotate the handle wheel ring 19 to run by himself.

The seat 5 of the wheelchair 1 is divided into left and right parts, and these divided seat parts 5a and 5b are divided into side frames 15, 15 respectively.
, And is pivotally mounted so as to be rotatable. With the left and right split seat portions 5a, 5b supported substantially horizontally,
The mating edge 8 of the left and right split seat portions 5a and 5b is formed in a substantially crank shape deviated from the center line of the seat 5, so that even if the user sits on the seat 5 for a long time, the joint edge 8 on the buttocks causes pain. It is designed to reduce the feeling. That is, the front mating edge 8a of the mating edge 8 of the left and right split seat portions 5a, 5b is shifted from the left and right center of the seat 5 to one side, and the rear mating edge 8b of the mating edge 8 is shifted from the left and right center to the other side. The shift, the front mating edge portion 8a and the rear mating edge portion 8b are continuous at a continuous edge portion 8c extending in the left-right direction at the front-rear intermediate portion of the seat 5.

The vehicle body frame 17 has a seat support frame 26 below the seat 5 and a longitudinal axis 27 at the rear end.
The left and right divided seat portions 5a and 5b are supported by support brackets 35 so as to be horizontally rotatable around and are obliquely viewed from a plane. Can be maintained substantially horizontal, and by holding the grip 28 at the tip of the seat support frame 26, the seat support frame 26 is rotated horizontally about the longitudinal axis 27,
The seat support frame 26 is divided into left and right divided seat portions 5a, 5b.
The left and right split seat portions 5
The a and 5b rotate downward by their own weight, lose their function as the seat 5, and can open the lower portion of the seat 5. The seat support frame 26 with the seat 5 opened is supported by the opposing support fitting 36.

The lower portion of the backrest 24 is opened to form an entry portion 6, and a toilet seat 3 of the toilet 2, which will be described later, can enter above the seat portion 5. The rear frame 10 below the wheelchair 1 is configured to be retractable and rotatable around the front-rear axis X so as to avoid the toilet seat 3 as shown by an arrow a. A toilet insertion space 11 into which the wheelchair 1 enters is configured above.

On the other hand, the toilet 2 is installed as a flush toilet in the back of the toilet 29, and the toilet seat 3 disposed on the toilet 2 is formed in an annular shape, and stays 3 are provided on both sides of the toilet seat 3.
0 and 30 are extended, and a rectangular traveling guide 31 provided at the tip of the stay 30 is inserted into and held by the horizontal guides 4a and 4a constituting the horizontal moving means 4 so as to be horizontally movable. Therefore, the toilet seat 3 can be horizontally moved away from the toilet bowl 2.

An intermediate portion of the stay 30 supporting the toilet seat 3 is bent in a substantially inverted U-shape so as to avoid the wheel 7 of the wheelchair 1. The toilet seat 3 is a left and right stay 30,3.
At 0, it is supported substantially horizontally via a sturdy support fitting 32,
In the state where the toilet seat 3 has entered above the seat 5 of the wheelchair 1, the front end of the toilet seat 3 is placed and supported on the front support frame 16 a of the wheelchair 1. The rear end of the toilet seat 3 is mounted and supported on a rear frame 16 on the wheelchair 1.

An entry guide 9 for guiding the wheels 7 of the wheelchair 1 is formed on the floor of the toilet 29 on both sides of the toilet 2, and a stop 14 is formed at the end of the entry guide 9. The toilet 29 is provided with an opening / closing door 12 in front of the position where the seat 5 is horizontally moved to the frontmost position. Thus, the toilet seat 3 is horizontally moved by the assisting person by the horizontal moving means 4, and the person on the wheelchair 1 enters the upper part of the wheelchair 1 from the entrance 6 to the seat 5 in a state where the waist is raised. And the person in wheelchair 1 gets on toilet seat 3,
The person on the wheelchair 1 holds the grip portion 28 and retreats and turns the seat support frame 26 horizontally, and opens and turns the divided seat portions 5a and 5b of the wheelchair 1 downward to turn the lower part of the toilet seat 3 down. Open it up. Further, the rear frame 10 is retracted and rotated to open the toilet bowl insertion space 11 at the rear of the wheelchair 1. In this state, the wheelchair 1 is caused to travel along with the toilet seat 3 along the approach guide 9 toward the toilet 2, and the toilet 2 is inserted into the toilet insertion space 11 of the wheelchair 1.
The wheel 7 comes into contact with the stop 14 at the end of the entry guide 9,
The wheelchair 1 can be positioned at a predetermined position with respect to the toilet bowl 2, and the user can sit on the toilet seat 3 having entered the wheelchair 1 and use it as predetermined.

In this way, it is possible to avoid the labor of transferring a person who is on the wheelchair 1 from the wheelchair 1 to the toilet bowl 2 by a plurality of attendants, thereby reducing the labor of the attendant. Can be reduced, the person in the wheelchair 1 can use the toilet 2 relatively easily, and the person in the wheelchair 1 can be less hesitant to go out,
It is easy to go out and, as a result, does not help the coexistence of the person in the wheelchair 1 and the healthy person, yet the toilet 3 can be used by the healthy person without change, and the space for assistance is omitted. In the toilet 29 equipped with a toilet device
The space can be kept small, which is advantageous in terms of equipment.

In this case, the seat 5 of the wheelchair 1 is divided into left and right parts, and left and right divided seat parts 5a and 5b are configured to open downward and to be rotatable, respectively, so that the divided seat parts 5a and 5b
Can be lowered when pivoted downward and the divided seat portions 5a and 5b do not hit the floor of the toilet. The horizontal guide 4a of the horizontal moving means 4 has a plurality of upper and lower guide grooves 4b, and a communication groove 4c is formed between the upper and lower guide grooves 4b.
The height of the toilet seat 3 can be changed by changing the positions of the stay 30 and the travel guide 31 of the toilet seat 3. By the way, in a state where the wheel 7 of the wheelchair 1 is in contact with the stop 14 of the approach guide 9, the stay 30 of the toilet seat 3 is shown in FIG.
At the position indicated by the line L, and is located forward of the communication groove 4c. Therefore, the height of the stay 30 is changed in the communication groove 4c, and the guide groove 4b having a desired height is changed.
It is inserted into. In this case, partitions 4d, 4d are formed in the entire length of the portion other than the communication groove 4c to prevent the rotation of the rectangular traveling guide 31, so that the toilet seat 3 can be horizontally supported and guided. .

FIGS. 8 and 9 show another embodiment of the toilet 29, in which columns 42, 42 are provided on both sides of the toilet 2 at an interval of about the width of the toilet seat 3 from the floor. Toilet bowl 2
A telescoping toilet seat support rod 43 is held on one of the pillars 42 on one side, as in a telescopic configuration. The toilet seat support rod 43 has a medium-diameter rod 43b inserted through a tapered large-diameter rod 43a, for example, and a small-diameter rod 43c inserted through the medium-diameter rod 43b so as not to be pulled out. The side end of the toilet seat 3 is supported by the small-diameter rod 43c via a stay 44. Thus, the toilet seat 3 is horizontally movably supported by the extendable and retractable toilet seat support rods 43, 43. The toilet seat support rods 43, 43 are extended, and the toilet seat 3 is seated from the entrance 6 at the back of the wheelchair 1. It can be made to enter above the part 5.

A slit 45 is formed in the large-diameter rod 43a and the medium-diameter rod 43b of the toilet seat support rod 43, and the stay 44 of the small-diameter rod 43c enters the slit 45, and the toilet seat support rod 43 is formed. 43 can be shortened. In this case, it is preferable that the medium-diameter rod 43b cannot be rotated with respect to the large-diameter rod 43a, and the small-diameter rod 43c cannot be rotated with respect to the medium-diameter rod 43b. The support column 42 is formed, for example, as a double cylinder, and selects a positioning through hole (not shown) formed in the inner cylindrical body with a positioning hole 47 formed in the outer cylindrical body. The height of the column 42 can be changed by inserting the pin 46. Changing the height of the support column 42 in this way is as follows.
Various design changes can be made such that a bolt screwed into the outer tubular body is pressed against the inner tubular body.

In such an embodiment, the toilet seat 3
Is supported by a column 42 erected from the floor surface, and has a stronger strength on the side wall as compared with the above-described embodiment in which the toilet seat 3 is supported on the side wall of the toilet 29 via the horizontal guide 4a. It is not necessary to have it, and the toilet 29
The conventional construction method for partitioning the wheelchair can be used, and the cost can be suppressed in the construction of the toilet device A for wheelchair.
That is, the toilet 2 where the toilet device A for wheelchairs is installed
Numeral 9 is provided adjacent to a toilet for a healthy person. For example, in a school or a nursing home, a healthy person helps a person in a wheelchair 1 to use a toilet.
Communication and mutual understanding are promoted, and coexistence of a person in the wheelchair 1 and a healthy person can be further achieved.

In the embodiment, the seat 5 of the wheelchair 1 is opened and rotated to enable the use of the toilet. However, a storage portion may be formed below the opened and rotated seat 5. The seat portion 5 may be opened in an upward direction. Wheelchair 1 is like a normal wheelchair,
The embodiment of the present invention may be configured to be freely foldable using an X-link, and the embodiment of the present invention, such as the shape of the stay 30 that supports the toilet seat 3 and the configuration of the horizontal moving unit 4 that horizontally moves the toilet seat 3, Various design changes can be made without departing from the spirit of the present invention.

[0019]

According to the first aspect of the present invention, the seat portion of the wheelchair is divided into left and right portions, and the left and right split seat portions are configured to be openable about respective side ends and rotatable. In a state of being supported substantially horizontally, the front mating edge of the mating edge of the left and right split seat portions is shifted to one side from the left and right center of the seat portion, and the rear mating edge portion of the mating edge is shifted to the other side from the left and right center. Since the front mating edge portion and the rear mating edge portion are continuous at a continuous edge portion extending in the left-right direction at the front-rear intermediate portion of the seat portion, the seat portion is divided into left and right split seat portions, each of which is a side end portion. It can be opened and rotated around the center, and the space below the seat can be used, for example, it can be used for storage, or it can be used on a toilet bowl in a wheelchair and used as it is , Greatly enhance the functionality of wheelchairs Yes, the front mating edge of the mating edge of the split seat portion is shifted to one side from the left and right center of the seat, the rear half mating edge is shifted to the other side from the left and right center of the seat, and the mating edge is This has the advantage that it is possible to prevent the user from feeling uncomfortable and uncomfortable sitting comfort.

[Brief description of the drawings]

FIG. 1 is a perspective view of a wheelchair, showing an embodiment of the present invention.

FIGS. 2A and 2B are plan views showing the operation.

FIGS. 3A and 3B are side views showing the operation.

FIGS. 4A and 4B are plan views showing the operation.

FIGS. 5A and 5B are rear views showing the operation.

FIG. 6 is a perspective view of a toilet provided with a toilet.

FIG. 7A is a cross-sectional view of a horizontal moving unit, and FIG. 7B is a perspective view showing a rotation configuration of a seat support frame.

FIG. 8 is a perspective view showing another embodiment of the toilet.

FIG. 9A is a cross-sectional view of the same, and FIG. 9B is a perspective view partially omitted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wheelchair 5 Seat 5a Divided seat part 5b Divided seat part 8 Fitting edge 8a Front fitting edge 8b Rear half fitting edge 8c Continuous edge

Claims (1)

[Claims] 1. A seat portion of a wheelchair is divided into left and right portions, left and right divided seat portions are configured to be openable and rotatable around respective side ends, and left and right divided seat portions are supported substantially horizontally. In the state, the front mating edge of the mating edge of the left and right split seat portions shifts from the left and right center of the seat to one side, the rear mating edge of the mating edge shifts from the left and right center to the other side, and the front mating edge and A wheelchair, wherein the rear mating edge portion is continuous at a continuous edge portion extending in the left-right direction at a front-rear intermediate portion of the seat portion.