WO2006003716A2

WO2006003716A2 - Wheeled chair

Info

Publication number: WO2006003716A2
Application number: PCT/JP2004/009610
Authority: WO
Inventors: Hiromichi Hirokawa
Original assignee: Hiromichi Hirokawa
Priority date: 2004-06-30
Filing date: 2004-06-30
Publication date: 2006-01-12
Also published as: JPWO2006003716A1

Description

Specification

Wheelchair Tech Field

The present invention relates to a wheelchair with improved seating comfort. Background art

As this type of wheelchair, there are those shown in FIG. 19 (see, for example, Japanese Patent Laid-Open Nos. 2 0 0 4-3 3 5 2 9 and 2 0 0 1-3 4 6 8 3 2). . As shown in FIG. 19, the wheelchair 1 includes left and right side frames 2 and 2 and left and right back frames 3 and 3 disposed above rear portions of the left and right side frames 2 and 2. ing. Front wheels 4 are rotatably supported on the front sides of the left and right side frames 2 and 2, respectively. Further, rear wheels 5 are rotatably supported on the outer sides of the rear portions of the left and right side frames 2 and 2, respectively.

Further, a seat 6 in which a seat portion and a backrest portion are integrated is stretched between a left and right side frames 2 and 2 and between left and right pack frames 3 and 3 via a cloth belt 8. As shown in FIGS. 20 (a) and (b), the sheet 6 is formed of a three-dimensional mesh 7 made of a stretchable synthetic resin. This three-dimensional mesh 7 has a woven fabric with a stretched knitted structure on its front surface 7 a and a woven fabric with a knitted structure on its back surface 7 b that is slightly less stretchable than the woven fabric of the surface 7 a. have. Between these front and back surfaces 7a and 7b, there are fibers 7c made of synthetic resin in a raised state. When sitting on the seat 6 having such a structure, as shown in FIG. 20 (b), the three-dimensional mesh 7 extends to both sides due to body pressure and fits to the body.

However, in the conventional wheelchair 1, a high-priced three-layer mesh 7 is used for the seat 6, and a plurality of cloth belts 8 are indispensable for attaching the three-dimensional mesh 7. The installation work has become complicated, and the overall manufacturing cost has become high. In addition, since the rear wheel 5 is rotatably supported at a predetermined position outside the rear portion of the side frame 2, the seat surface of the seat 6 is positioned so as not to be fatigued (a comfortable tire with less fatigue). Position) could not be fine-tuned.

The present invention was devised in view of the current situation, and an object of the present invention is to provide a wheelchair that can improve sitting comfort (a comfortable feeling fit to the body) easily and at a low cost. It is something to try. Disclosure of the invention

In order to achieve the above object, in the invention described in claim 1, the invention of claim 1 includes: left and right side frames; an intermediate frame disposed between the left and right side frames; The vehicle body frame is connected with the left and right pack frames arranged above the rear portions of the left and right side frames. The front wheels are rotatably supported on the front sides of the left and right side frames, respectively, and the axles of the rear wheels are rotatably supported on the outer sides of the rear portions of the left and right side frames via axle bearings. On the other hand, in a wheelchair in which a seat seat is disposed between the left and right side frames and a backrest seat is disposed between the left and right pack frames, the axle of the rear wheel is disposed at the rear of the left and right side frames. It is characterized by an axle height adjustment mechanism that adjusts the vertical position.

The invention according to claim 2 is the wheelchair according to claim 1, wherein the axle height adjusting mechanism is pivotally supported at one end at the rear part of the left and right side frames and at the other end. A first link provided with a vehicle bearing, and one end supported swingably on the other end of the first link and the other end supported swingably on one end of the third link A second link; and a third link having a midway part swingably supported at the rear part of the left and right side frames and a telescopic port of the agitator supported at the other end in a freely swingable manner. The above-described adjuster is provided with an adjustment nut that is pivotally supported at one end by the rear part of the left and right side frames and that can change the amount of expansion / contraction of the expansion / contraction port.

The invention according to claim 3 is the wheelchair according to claim 1, characterized in that the left and right side frames are each formed in a twin-pipe shape from a light alloy.

The invention according to claim 4 is the wheelchair according to claim 1, wherein a footrest is provided at each front part of the left and right side frames so as not to protrude forward from each front part. Features.

The invention of claim 5 includes a left and right side frame, an intermediate frame disposed between the left and right side frames, and a left and right back frame disposed above a rear portion of the left and right side frames. The vehicle body frame is configured, and the front wheels are rotatably supported on the front sides of the left and right side frames, respectively, and the axles of the rear wheels are rotated on the outside of the rear portions of the left and right side frames via vehicle bearings. In a wheelchair in which a seat seat is disposed between the left and right side frames and a backrest seat is disposed between the left and right back frames, the seat surface of the seat seat has elasticity. In addition to being formed of a plane mesh, the back surface of the backrest sheet is formed of an elastic plane mesh.

The invention of claim 6 is the wheelchair according to claim 5, wherein the seat seat is connected to a seat frame fitted into a recess of the left and right side frames, and the left and right seat frames are connected to each other. A connecting frame that is stretched between the left and right seat frames and the elastic planar mesh that forms a seating surface, and the backrest seat is stretched between the left and right pack frames. It is characterized by comprising a plane mesh having elasticity to form the back surface.

The invention according to claim 7 is the wheelchair according to claim 5, characterized in that the left and right side frames are each formed of a light alloy in a twin pipe shape. - The invention of claim 8 is the wheelchair according to claim 5, wherein a footrest is provided at each front part of the left and right side frames so as not to protrude forward from the front part. It is characterized by.

The invention of claim 9 includes left and right side frames, an intermediate frame disposed between the left and right side frames, and left and right back frames disposed above rear portions of the left and right side frames. The vehicle body frame is configured, and the front wheels are rotatably supported on the front sides of the left and right side frames, respectively, and the axles of the rear wheels are rotated on the outside of the rear portions of the left and right side frames via vehicle bearings. A wheelchair in which a seat seat is disposed between the left and right side frames and a backrest seat is disposed between the left and right pack frames. An axle height adjustment mechanism for adjusting the vertical position of the wheel axle is provided, and the seat surface of the seat seat is formed of an elastic flat mesh. In addition, the back surface of the backrest sheet is formed of an elastic planar mesh. The invention of claim '10 is the wheelchair according to claim 9, wherein the axle height is A first link having one end slidably supported at the rear of the left and right side frames and the wheel bearing provided at the other end; and one end connected to the first link. The second link is swingably supported at the other end and the other end is swingably supported at one end of the third link, and the middle portion is swingable at the rear of the left and right side frames. In addition, the third link with the other end of the expansion / contraction opening of the adjuster swingably supported at the other end, and one end pivotally supported by the rear part of the left and right side frames and the above-mentioned The arm provided with an adjusting nut for changing the amount of expansion / contraction of the expansion / contraction opening. A seat frame that fits into the recesses of the left and right side frames, a connecting frame that connects the left and right seat frames, and the left and right seats. The elastic flat mesh stretched between frames to form a seating surface, and the backrest seat is stretched between the left and right back frames to form the back surface. It is characterized by having a planar mesh.

The invention of claim 11 is the wheelchair described in claim 9, characterized in that the left and right side frames are respectively formed into a twin pipe shape from a light alloy.

The invention of claim 12 is the wheelchair according to claim 9, wherein a footrest is provided at each front part of the left and right side frames so as not to protrude forward from the front part. It is characterized by that. Brief Description of Drawings

FIG. 1 is a left side view showing a wheelchair according to a first embodiment of the present invention.

FIG. 2 is a right side view of the wheelchair of the first embodiment.

FIG. 3 is a front view of the wheelchair of the first embodiment.

FIG. 4 is a rear view of the wheelchair of the first embodiment. FIG. 5 is a plan view of the wheelchair of the first embodiment.

FIG. 6 is a bottom view of the wheelchair of the first embodiment.

FIG. 7 is a sectional view of a side frame used for the wheelchair of the first embodiment.

FIG. 8 is an explanatory view showing a state before the seat seat is attached to the concave portion of the side frame of the first embodiment.

FIG. 9 is an explanatory diagram of an axle height adjusting mechanism used in the wheelchair of the first embodiment.

FIG. 10 is a left side view showing a wheelchair according to a second embodiment of the present invention. FIG. 11 is a perspective view of a wheelchair according to a third embodiment of the present invention as viewed from the upper left side.

FIG. 12 is a perspective view of an electric wheelchair according to a fourth embodiment of the present invention as viewed from the left front side.

FIG. 13 is a perspective view of the electric wheelchair according to the fifth embodiment of the present invention as viewed from the upper left side.

FIG. 14 is a perspective view of the electric wheelchair according to the sixth embodiment of the present invention as viewed from the upper left side.

FIG. 15 is a perspective view of the electric wheelchair according to the sixth embodiment as viewed from the rear left side.

FIG. 16 is a perspective view of the electric wheelchair according to the seventh embodiment of the present invention as seen from the upper left side.

FIG. 17 is a perspective view of the electric wheelchair of the seventh embodiment as viewed from the left rear side.

FIG. 18 is a plan view of the electric wheelchair of the seventh embodiment.

FIG. 19 is a perspective view of a conventional wheelchair.

FIG. 20 (a) is a cross-sectional view of a three-dimensional mesh used for the seat of the conventional wheelchair, and (b) is a plan view showing a state in which the three-dimensional mesh is extended. BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below are preferred specific examples of the present invention, and various technically preferable limitations are given. However, the scope of the present invention is particularly limited in the following description. Unless stated to the contrary, these forms are not restrictive.

1 is a left side view showing a wheelchair according to a first embodiment of the present invention, FIG. 2 is a right side view of the wheelchair, FIG. 3 is a front view of the wheelchair, FIG. 4 is a rear view of the wheelchair, and FIG. Is a plan view of the wheelchair, Fig. 6 is a bottom view of the wheelchair, Fig. 7 is a cross-sectional view of a side frame used in the wheelchair, and Fig. 8 is a state before the seat seat is attached to the recess of the side frame. FIG. 9 is an explanatory view of an axle height adjusting mechanism used in the wheelchair.

As shown in FIGS. 1 to 6, the wheelchair 10 has a body frame 11. The vehicle body frame 1 1 has left and right side frames 1 2 and 1 2 and upper and lower intermediate frames disposed between the left and right side frames 1 2 and 1 2. Frames 1 3 a and 1 3 b and left and right pack frames 14 and 14 are disposed above the rear portions of the left and right side frames 12 and 12 so as to be tiltable in the front-rear direction.

As shown in Fig. 1 to Fig. 7, the left and right side frames 1 2 and 1 2 are each made of twin pipe-like high rigidity with A 1 one Z n-Mg alloy, and are slightly inclined upward. The upper 1 2 a, front, rear 1 2 b, 1 2 c, and horizontal lower 1 2 d form a substantially trapezoidal frame. Recesses 1 2 e are formed at opposite positions in the center of the upper portions 1 2 a of the left and right side frames 1 2 and 1 2. A seat seat 40, which will be described later, is disposed between the recesses 12e, 12e.

As shown in Figs. 1 and 2, a fan-shaped side plate 15 is attached to the outside of the center of each upper portion 1 2a of the left and right side frames 12 and 12 by screws or the like. Due to the pair of side plates 15 and 15, etc., the seat portion sheet 40 fitted between the concave portions 12 e and 12 e of the upper portions 12 a of the left and right side frames 12 and 12 is formed. It is positioned and fixed. Furthermore, left and right pack frames 14 and 14 are respectively attached to the rear sides of the upper portions 12 a of the left and right side frames 12 and 12 via a known reclining mechanism 16. The left and right pack frames 14 and 14 are each formed in a pipe shape from an A 1 —Z n—Mg alloy, and each of the arcuate guide slots 1 of the pair of side plates 15 and 15. 5 Supported so that the tilt angle can be adjusted along a. Also, a backrest seat 50, which will be described later, is arranged between the left and right back frames 14 and 14. In addition, the upper ends of the left and right pack frames 14 and 14 are fixed to both ends of a U-shaped drip frame 17 made of a pipe made of A 1 —Zn—Mg alloy.

Further, as shown in FIGS. 1 to 7, armrest frames 18 are attached to the rear ends of the upper portions 1 2a of the left and right side frames 12 and 12, respectively. These left and right armrest frames 1 8 and 1 8 are made of A l — Z n _Mg alloy in a pipe shape and are formed in a reverse L shape on the side, and each armrest 1 8 a is from the outside of each back frame 1 4 It extends substantially horizontally above the upper part 1 2 a of each side frame 1 2.

As shown in FIGS. 1 to 8, a footrest frame 19 is attached to the lower ends of the front parts 1 2 b of the left and right side frames 1 2 and 12. This footrest frame 19 is made of U-shape with a pipe made of Al-Zn-Mg alloy, and both ends are connected to the front part 1 2 of the left and right side frames 12 and 12 respectively. Each is attached to the lower end of b by predetermined means. As shown in FIGS. 1 to 8, casters (front wheels) 20 are rotatably supported on the front ends of the lower portions 1 2 d of the left and right side frames 1 2 and 1 2 via suspensions 2 1, respectively. It is. A tackle brake leg 2 2 is attached to the front side of the lower part 1 2 d of the left and right side frames 1 2 and 1 2. By pulling the tackle brake lever 22 backward, the brake member 2 2a comes into contact with a rear wheel 24, which will be described later, via a link mechanism (not shown) to become a parking brake. Furthermore, this tackle brake leper 2 2 has a brake member on the rear wheel 24. 2 2 Also serves as a brake lever that operates as a braking brake by contacting a.

As shown in FIGS. 1, 2, and 9, the rear portions 12 c of the left and right side frames 12, 12 are located behind the rear bearings 2 3 and the axle height adjustment mechanism 30. The axles 2 and 5 of the wheels 2 and 4 are rotatably supported. Axle height adjustment mechanism 30 that adjusts the vertical position of axle 25 of this rear wheel 24 is attached to each rear part 1 2 c of left and right side frames 1 2 and 1 2 . That is, each axle height adjusting mechanism 30 is supported at its one end 3 1 a so as to be swingable by the rear portions 1 2 c of the left and right side frames 1 2, 12 via the support shaft 36 a. In addition, the first link 3 1 with the wheel bearing 2 3 attached to the other end 3 1 b and the one end 3 2 a to the other end 3 lb of the first link 3 1 have the wheel bearing 2 3 (or the axle). 2 5), and the other end 3 2 b is pinned to one end 3 3 a of the third link 3 3.

3 7 a 2nd link 3 2 supported in a swingable manner via a, and midway part 3 3 c is attached to each rear part 1 2 c of left and right side frames 1 2, 1 2 3 6 b The other end 3 3 b is supported by the other end 3 3 b with the tip 3 5 a of the telescopic port 3 5 of the adjuster 3 4 supported by the other end 3 3 b so as to be swingable. Link 3 3 and one end (base end) 3 4 a is pivoted via pin 3 7 c to bracket 3 8 which is fixed to each rear part 1 2 c of left and right side frames 1 2 and 1 2 An adjusting nut 3 4 b that is supported and varies the amount of expansion / contraction of the expansion / contraction opening 35 is composed of an adjuster 3 4 provided on the tip (other end) side.

As shown in FIG. 1 to FIG. 6 and FIG. 8, the seat seat 40 is composed of a seat frame 4 1 fitted in the recesses 1 2 e of the left and right side frames 1 2 and 1 2, A pair of connecting frames 4 2, 4 2 that connect the seat frames 4 1, 4 1, and an elastic flat mesh 4 that stretches between the left and right seat frames 4 1, 4 1 to form a seating surface. It consists of 3 and. The seat surface of the seat portion sheet 40 is formed of a plane mesh 43 having elasticity. As the plane mesh 43, a cloth springs (trade name: manufactured by Kawashima Textile Co., Ltd.) is used. This cloth springs is a special mesh (mesh) cloth that has a cushioning property by devising the weaving method. By applying special weaving, it is comfortable even without urethane or panel. It is designed to keep you comfortable.

As shown in FIGS. 1 to 6, the backrest sheet 50 is composed of a flat mesh 51 having elasticity that is stretched between the left and right pack frames 14 and 14 to form the back surface. The back surface of the backrest sheet 50 is formed of an elastic flat mesh 51. As the flat mesh 51, a cloth springs (trade name: manufactured by Kawashima Textile Co., Ltd.) is used. This cloth-made Hanex is a special mesh-like cloth that has a cushioning effect by devising the weaving method. By applying special weaving, it is comfortable even without urethane or panel. I am able to keep sitting comfortably. Also, the back of the flat mesh 51 is formed by simple attachment work, for example, by forming each side of the flat mesh 51 in a bag shape and inserting each bag-like portion into the left and right back frames 14, 14, respectively. Parts sheet 5 0 Can be formed.

As shown in FIG. 1, the rear wheel 24 uses a hub portion 24 a in which three substantially triangular plate-like spokes 24 b that are equally spaced are integrally formed. Further, as shown in FIGS. 1 to 6, an annular hand dome 26 is attached to the outside of the rear wheel 24. Further, as shown in FIG. 6, a pair of lower intermediate frames 1 3 b, 1 3 b spanned between the horizontal lower portions 1 2 d, 1 2 d of the left and right side frames 1 2, 12. A bottom plate 27 having a plurality of slits 27a is attached between them. In addition, reference numeral 1 2 d ′ in FIG. 7 indicates the upper pipe part of the horizontal lower part 1 2 d of each side frame 12 2 of the twin pipe shape, and reference numeral 1 2 d〃 denotes the lower part of the horizontal 1 2 d The lower pipe part is shown.

According to the wheelchair 10 of the above-described embodiment, the axle height adjusting mechanism 30 is provided at each rear portion 1 2 c of the left and right side frames 12 and 12, and the adjusting nut of the axle height adjusting mechanism 30 is provided. 3 4 b Adjust the position of the seat surface of the seat 30 by adjusting the vertical position of the axle 2 5 of the rear wheel 2 4 by changing the amount of expansion / contraction of the expansion / contraction opening 3 5 5 The position of the back of the backrest seat 50 can be easily finely adjusted to a position where it is difficult to get tired, that is, a position where a comfortable feeling with less fatigue can be obtained. As a result, the seating comfort of the wheelchair 10 can be improved, and even if sitting for a long time, it does not get tired. This axle height adjusting mechanism 30 can be manufactured easily and at low cost by a four-bar linkage mechanism comprising three links 3 1, 3 2, 3 3 and an adjuster 3 4.

By operating the reclining mechanism 16 and adjusting the tilt angles of the left and right pack frames 14 and 14 along the arcuate guide slots 15 a of the pair of side plates 15 and 15, respectively. The position of the back of the backrest seat 50 can be easily adjusted to a position where it is difficult to get tired, that is, a position where a comfortable feeling with less fatigue can be obtained (a position where an easy posture can be maintained). As a result, the sitting comfort of the wheelchair 10 can be further improved, and even if sitting for a long time, it does not get tired.

Further, the seat seat 40 is attached to a seat frame 4 1 fitted in the recesses 1 2 e and 1 2 e of the left and right side frames 1 2 and 12, and the left and right seat frames 4 1 and 4 1. It is composed of a connecting frame 4 2, 4 2 that connects the two and a flat mesh 43 3 made of elastic cloth that stretches between the left and right seat frames 4 1, 4 1 to form a seating surface, and a backrest The part sheet 50 is composed of an elastic cloth flat mesh 51 that is stretched between the left and right pack frames 14 and 14 to form the back surface, so that the left and right side frames 1 2 and 1 The seat seat 40 and the backrest seat 50 can be installed easily and at low cost between the two and between the left and right back frames 14 and 14. In particular, since the seat surface of the seat seat 40 and the back of the seat 50 are formed of elastic flat meshes 4 3 and 5 1 having elasticity, the air permeability is very good and the seat seats for a long time. You can get a comfortable experience over a long period of time. That is, the seat surface of the seat portion sheet 40 and the back surface of the backrest portion sheet 50 can be formed by a single flat cloth mesh 43, 51 having elasticity. This eliminates the need for thick cushions, panels, and other components, thereby reducing the overall cost. In addition, since it is a flat mesh made of cloth with a single piece of elastic material 4 3, 5 1, it has very good breathability and does not stuffy at all even when used for a long time. You can get a comfortable feeling for a long time.

Further, in the maintenance or the like of the wheelchair 10, even when the rear wheel having a different wheel size is used, the axle height adjusting mechanism 30 can cope with it. That is, the axle height adjustment mechanism 30 can adjust the height of the axle of the rear wheel to be newly installed, and the seat seat 40 and the backrest seat 50 can be placed at a position where a comfortable feeling with less fatigue can be obtained. Can be easily tweaked.

In addition, the left and right side frames 1 2 and 1 2 are each formed into a twin-pipe shape using A 1 —Z n—Mg alloy (light alloy), thereby reducing the weight and rigidity of the vehicle frame 11. Can be planned.

FIG. 10 is a left side view showing a wheelchair according to a second embodiment of the present invention.

As shown in FIG. 10, the wheelchair 10 A according to the second embodiment has a twin pipe-shaped left and right side frames 1 2, 1 2, front part 1 2 b, front part 1 b. Footrests 1 9 b are attached to 2 b 'via pipe-shaped L-shaped mounting frames 19 a. The left and right footrests 19 b, 19 b extend laterally to the center without protruding in front of the front portion 12 b of each side frame 12. Also, the left and right footrests 19 b and 19 b are connected to the upper and lower sides of each mounting frame 19 a fitted into the front pipe portion 12 b of the front portion 12 b of each side frame 12. By adjusting the position, the height can be adjusted.

Further, the rear wheel 24 is formed by integrally forming five substantially triangular plate-like spokes 24 c at equal intervals on the hap part 24 a. Since other configurations are the same as those in the first embodiment, the same components are denoted by the same reference numerals and detailed description thereof is omitted.

The wheelchair 1 OA of the second embodiment has the same functions and effects as the first embodiment. Further, since the rear wheel 24 is formed by integrally forming five substantially triangular plate-like spokes 2 4 c at equal intervals on the hub portion 24 4 a, the three spokes 24 b of the first embodiment 24 b The cost can be further reduced as compared with the case using. In addition, the left and right footrests 19 b and 19 do not protrude forward from the front portion 12 b of each side frame 12 2 and extend horizontally to the center, so the left and right side frames The occupant's (user) foot can be securely supported and protected between the front parts 1 2 1?

FIG. 11 is a perspective view of a wheelchair according to a third embodiment of the present invention as viewed from the upper left side.

As shown in FIG. 11, the wheelchair 10 0 B of this third embodiment has twin pipe-shaped left and right side frames 1 2, 1 2, front part 1 2 b, front part 1 b Footrests 1 9 b are attached to 2 b 'via pipe-shaped L-shaped mounting frames 19 a. These left and right footrests 19 b and 19 b protrude forward of the front part 12 b of each side frame 12 Extends horizontally to the center without protruding. The left and right footrests 19 b and 19 b are connected to the upper and lower parts of each mounting frame 19 a that are fitted into the front pipe portion 12 b of the front portion 12 b of each side frame 12. By adjusting the position, the height can be adjusted. In addition, on the front side of each of the horizontal lower parts 1 2 d and 1 2 d of the left and right side frames 1 2 and 1 2 (in front of the casters 20), there are strips for supporting the rear side of the occupant's feet The restless rest 1 9 c is stretched. The left and right side frames of the twin pipes 1 2, 1 2 horizontal lower part 1 2 d The lower pipe part 1 2 d〃 has a pipe-like plane U-shaped assist frame 2 8 Are attached at both ends. Further, the rear wheel 24 has a hub portion 24 a to which a plurality of rod-shaped spokes 24 d having a predetermined interval are attached. Since the other configuration is the same as that of the first embodiment, the same components are denoted by the same reference numerals, and detailed description thereof is omitted.

The wheelchair 10 B according to the third embodiment has the same function and effect as the first embodiment. Further, since the rear wheel 24 is made by attaching a plurality of rod-like spokes 24 d with a predetermined interval to the hap part 24 a, it uses the three spokes 24 b of the first embodiment. The cost can be reduced compared to

In addition, the left and right footrests 19 b and 19 b extend laterally to the center without protruding forward from the front part 1 2 b of each side frame 1 2, and the left and right side frames 1 2 , 12 Horizontal lower part 1 2 d, 1 2 d Front side of left and right side frames 1 2, b 1 2 b can securely support and protect the user's foot between the left and right footrests 19 b, 19 b, and the belt-like reservoir rest 19 c It can be reliably supported. Also, by installing a flat U-shaped assist frame 2 8 below the rear end of each horizontal lower part 1 2 d of the left and right side frames 1 2 and 1 2, the caregiver's convenience is improved and assistance is provided. It is also suitable as a model car chair.

FIG. 12 is a perspective view of the electric wheelchair according to the fourth embodiment of the present invention as viewed from the left front side.

As shown in Fig. 12, the electric wheelchair (wheelchair) 10 C of this fourth embodiment is a pipe part on the front side of each front part 1 2 b of the left and right side frames 1 2, 1 2 of a twin pipe shape 1 2 b 'is fitted with a footrest 1 9 b via a pipe-like L-shaped mounting frame 1 9 a. The left and right footrests 19 b and 19 b extend laterally to the center without protruding forward from the front portion 12 b of each side frame 12. The left and right footrests 19 b and 19 b are located on the upper and lower sides of each mounting frame 19 a that fits into the front pipe portion 12 b of the front portion 12 b of each side frame 12. By adjusting the position, the height can be adjusted. In addition, the horizontal lower portions 1 2 d and 1 2 d of the left and right side frames 1 2 and 1 2 are in front of the casters 20 (in front of the casters 20), and are belt-shaped to support the back of the occupant's feet. Restrest 1 9 c is stretched. In addition, the horizontal lower parts of the left and right side frames 1 2 and 1 2 1 2 d and 1

An electric motor 60 is attached behind the 2 d caster 20. Each of the rear wheels 2 4 is rotated by, for example, bringing a driving roller (not shown) attached to the rotating shaft of each electric motor 60 into contact with each of the rear wheels 24. In addition, the left and right side frames 1 2,

1 2 horizontal bottoms 1 2 d, 1 2 d Lower pair of intermediate frames 1 2 d

A pair of left and right power supply units 6 1 and 61 are mounted on the bottom plate 2 7 attached between 3 b and 1 3 b. Since other configurations are the same as those of the first embodiment, the same components are denoted by the same reference numerals, and detailed description thereof is omitted.

The electric wheelchair (wheelchair) 10 C according to the fourth embodiment has the same functions and effects as those of the first embodiment, and is driven by rotating the left and right rear wheels 2 4 and 2 4 electrically. be able to. Moreover, by using a lithium ion battery as a battery for each power supply unit 61, the battery life can be further increased.

As shown in Fig. 13, the electric wheelchair (wheelchair) of this fifth embodiment 10 0 D is the pipe part on the front side of the front part 1 2 b of the left and right side frames 1 2 and 1 2 of the twin pipe shape Footrests 1 9 b are attached to 1 2 b 'via pipe-shaped L-shaped mounting frames 19 a. The left and right footrests 19 b and 19 b extend laterally to the center without protruding forward from the front portion 12 b of each side frame 12. The left and right footrests 19 b and 19 b are located on the upper and lower sides of each mounting frame 19 a fitted into the front pipe portion 1 2 b ′ of the front portion 12 b of each side frame 12. By adjusting the position, the height can be adjusted. In addition, the horizontal lower portions 1 2 d and 1 2 d of the left and right side frames 1 2 and 1 2 are in front of the casters 20 (in front of the casters 20), and are belt-shaped to support the back of the occupant's feet. Redderrest 1 9 c is stretched.

In addition, the pipes on the upper and lower pipe parts 12 of the horizontal lower parts 1 2 d of the left and right side frames 1 2, 12 of the twin pipes are connected to both ends of the pipe-shaped, plane U-shaped assist frame 28. In addition to this, a safety auxiliary wheel 2 9 is attached to the lower pipe portion 1 2 d "of each horizontal lower portion 1 2 d. Further, the rear wheel 2 4 has a hub portion 2 4 A with a plurality of rod-shaped spokes 2 4 d with fixed intervals attached to a.

In addition, an electric motor 60 is attached behind the casters 20 of the horizontal lower portions 1 2 d and 12 d of the left and right side frames 12 and 12. Each of the rear wheels 24 is rotated by, for example, bringing a driving roller (not shown) attached to the rotating shaft of each electric motor 60 into pressure contact with each of the rear wheels 24. Further, the bottom plate 2 7 attached between the pair of lower intermediate frames 1 3 b and 1 3 b between the horizontal lower portions 1 2 d and 1 2 d of the left and right side frames 1 2 and 1 2 A pair of left and right power supply units 61 and 61 are installed. Other configurations are the same as in the fourth embodiment. Therefore, the same components are denoted by the same reference numerals, and detailed description thereof is omitted.

The electric wheelchair 10D of the fifth embodiment has the same effect as the fourth embodiment. In addition, by attaching safety auxiliary wheels 29 to the lower pipe sections 1 2 d〃 of the horizontal lower parts 1 2 d of the left and right side frames 1 2, 12 of the twin pipe shape, Wheelchair 1 0 D can be driven more safely in a stable state.

FIG. 14 is a perspective view of the electric wheelchair according to the sixth embodiment of the present invention viewed from the upper left side, and FIG. 15 is a perspective view of the electric wheelchair viewed from the rear left side.

As shown in FIG. 14 and FIG. 15, the electric wheelchair (wheel chair) 10 0 E of this sixth embodiment is a rear wheel 2 4 using disc-shaped spokes 2 4 e integrated with a hap part. Is used. In addition, electric motors 60 are respectively attached to the first links 31 of the left and right axle height adjusting mechanisms 30 and 30. Each rear wheel 24 having disk-like spokes 2 4 e of each rear wheel 24 4 is reliably rotated through a not-shown gear attached to the rotating shaft of each electric motor 60. It is summer. Furthermore, the bottom plate 2 7 attached between the pair of lower intermediate frames 1 3 b and 1 3 b between the horizontal lower parts 1 2 d and 1 2 d of the left and right side frames 1 2 and 12 2 7 Is equipped with a pair of left and right power supplies 61, 61. Since the other configuration is the same as that of the fifth embodiment, the same components are denoted by the same reference numerals, and detailed description thereof is omitted.

The electric wheelchair 10E of the sixth embodiment has the same functions and effects as those of the fifth embodiment. Further, since the rear wheel 24 uses a disc-like spoke 2 4 e in which the hap part is integrated, compared with the one using the spokes 2 4 b, 2 4 c, and 2 4 d in each of the above embodiments. The fingers are not pinched and the safety is higher. In addition, the design of the rear wheels 24 is good, and further, no hand rim is required, so the cost can be further reduced.

Fig. 16 is a perspective view of the electric wheelchair according to the seventh embodiment of the present invention as seen from the upper left side, Fig. 17 is a perspective view of the electric wheelchair as seen from the left rear side, and Fig. 18 is a plan view of the electric wheelchair. It is.

As shown in FIG. 16 to FIG. 18, the electric wheelchair (wheelchair) 10 0 F of this seventh embodiment is the upper part of the left and right side frames 1 2 and 1 2 at the rear end of 1 2 a. A control unit (controller) 6 2 and an inverted U-shaped handle frame 6 3 are attached to the rear side of the armrest frame 1 8. The control unit 62 includes a speed detection sensor and a speed switch (both not shown) that detect and vary the rotational speeds of the left and right electric motors 60 and 60. Since the other configuration is the same as that of the sixth embodiment, the same components are denoted by the same reference numerals, and detailed description thereof is omitted.

The electric wheelchair 10 F of the seventh embodiment has the same functions and effects as those of the sixth embodiment. In addition, by attaching the control unit 6 2 to the rear side of the upper part 1 2 a of the left and right side frames 1 2 and 1 2, the assistant can control the control unit 6 2 to Wheelchair The traveling speed of the child 10 F can be easily adjusted to the optimum speed. In addition, the supporter's handle frame 63 is attached to the rear side of each upper part 1 2 a of the left and right side frames 1 2 and 1 2. It is also suitable as a wheelchair.

According to each of the above embodiments, the suspension is provided only on the front wheel. However, a suspension function is added to the axle height adjustment mechanism on the rear wheel side, and a four-wheel suspension structure for the front wheel and the rear wheel is provided. It is also good. In this case, the impact when driving on rough roads can be absorbed with four wheels, so a more comfortable ride can be obtained. Furthermore, although the cloth-made mesh is used as the flat mesh having elasticity, it is needless to say that it is not limited to the cloth-made mesh. Industrial applicability

According to the invention described in claim 1, as described above, the axle height adjusting mechanism for adjusting the vertical position of the axle of the rear wheel is provided at the rear part of the left and right side frames. The position of the seat surface of the seat and the position of the back of the backrest sheet can be easily fine-tuned to a position where it is difficult to get tired, that is, a position where a comfortable feeling with less fatigue can be obtained. As a result, the sitting comfort of the car chair can be improved, and even if it sits for a long time, it does not get tired.

According to the invention of claim 2, the axle height adjusting mechanism can be manufactured easily and at a low cost by the four-bar link mechanism comprising three links and an adjuster.

According to the inventions of Claims 3, 7, and 11, the left and right side frames are respectively formed in a twin pipe shape with a light alloy, so that the vehicle body frame can be reduced in weight and rigidity. .

According to the inventions of claims 4, 8, and 12, the left and right side frames are provided at the front portions of the left and right side frames so as not to protrude forward from the front portions, respectively. The occupant's feet can be reliably supported and protected between the front parts of the frame.

According to the invention of claim 5, since the seat surface of the seat portion sheet is formed of an elastic flat mesh and the back surface of the backrest portion sheet is formed of an elastic plane mesh, the left and right side Seat seats and backrest seats can be attached easily and at low cost between the frames and between the left and right back frames. Furthermore, because the seating surface of the seat and the back of the seat of the backrest are breathable due to an elastic flat mesh, they do not get steamed even if they sit for a long time, and they can obtain a comfortable feeling for a long time. Can do.

According to the invention of claim 6, the seat portion seat includes a seat frame that is fitted into the concave portions of the left and right side frames, a connecting frame that connects the left and right seat frames, and the left and right seat frames. It is composed of a flat mesh having elasticity that stretches between and forms a seating surface, and the backrest sheet is stretched between the left and right back frames to form the back surface. Because it consists of a flat mesh with In addition, the seat and backrest seats can be attached easily and at low cost between the left and right pack frames. Furthermore, since the seat surface of the seat portion seat and the back surface of the backrest portion seat are highly air permeable due to the elastic flat mesh, they do not get steamed even when sitting for a long time, and a comfortable feeling can be obtained for a long time.

According to the invention of claim 9, since the axle height adjustment mechanism for adjusting the vertical position of the axle of the rear wheel is provided at the rear part of the left and right side frames, the position of the seat surface of the seat and the seat The position of the back of the backrest seat can be easily finely adjusted to a position where it is difficult to get tired, that is, a position where a comfortable feeling with less fatigue can be obtained. This makes it possible to improve the sitting comfort of the wheelchair and does not get tired even if sitting for a long time.

In addition, the seat surface of the seat seat is formed of an elastic flat mesh, and the back surface of the backrest sheet is formed of an elastic flat mesh, so that it is between the left and right side frames and between the left and right back frames. The seat seat and backrest seat can be attached easily and at low cost. Furthermore, since the seating surface of the seat and the back of the seat of the backrest are air-permeable due to the elastic flat mesh, the seat does not get steamed even when sitting for a long time, and a comfortable feeling can be obtained for a long time. According to the invention of the range 10, the axle height adjusting mechanism can be manufactured easily and at a low cost by the four-bar linkage mechanism including the three links and the adjuster.

In addition, the seat seat is stretched between the left and right seat frames, the seat frame fitted into the recesses of the left and right side frames, the connecting frame connecting the left and right seat frames. The backrest seat is composed of an elastic flat mesh that is stretched between the left and right pack frames to form the back surface. The seat and backrest seats can be easily and cost-effectively installed between the side frames and between the left and right pack frames. In addition, the seat surface of the seat and the back of the seat on the backrest are breathable due to the elastic flat mesh, so you won't get steamed even if you sit for a long time, and you can get a comfortable experience for a long time. .

Claims

The scope of the claims

1. A control device provided with various control means, a three-dimensional image display device disposed at least on the front side of the control device, and a power source module device for supplying a three-dimensional image to the three-dimensional image display device And a control device that automatically selects a power source corresponding to the control mode according to the control mode by the control means and sends the motion source to the image display device.

2. The source of the source module device is a source module that is individually filed based on data obtained by measuring and recording three-dimensional actual movements of various vehicles, aircraft, and ships. The simulation device according to 1.

3. The simulation apparatus according to claim 2, wherein the motion source module includes a computer graph status image based on a real image.

4. Elements of the source module include individual files of vibrations created in advance based on actual vibration measurement records, and individual odors created on the basis of data pre-measured and recorded in actual situations and environments. And at least one of the individual files created based on data obtained by measuring and recording changes in actual weather conditions in advance. The simulation device according to claim 2 or claim 3.

5. The control device is provided with a control seat that is driven and controlled by a motion device, and an audio output device is connected to the power source module device, and the control device corresponds to a control mode. The selected motion source information is sent to the motion device, and the motion device controls driving of the cockpit and various control means based on the selected motion source information. The simulation device according to any one of claims 1 to 4.

6. Each source element such as each screen and sound source of the source module is recorded with reference time information that is independent and can be associated with other source elements. If the time progress of each of the above source elements does not match, the progress speed of one source element is delayed or stopped, and the reference time of the other source element is the reference time of one source element. 6. The simulation apparatus according to claim 1, wherein drive control is performed so as to wait or skip until the same.

7. The control device includes a simulation software execution unit that executes a simulation software that is a power source module, a simulation drive unit that includes a reproduction device that allows a pilot to experience a virtual experience, and a simulation. A source module unit that stores a data file corresponding to each operation reproduced by the drive unit, and each operation is controlled based on a reference time registered in each frame of video data based on each data of the source module unit. A drive control unit for driving the simulation drive unit, and comprising: The simulation apparatus in any one.

8. The motion device performs pitching, rolling and rolling (heaving) of the cockpit based on acceleration in the XYZ direction and angular velocity data around the XYZ axes. 8. The simulation device according to claim 1, wherein the posture is controlled three-dimensionally.

9. The motion device is characterized in that the operation center point of various vehicles is determined and initialized by an initialization protocol based on the number of axes of the motion base, operation range, and application. Simulation device according to range 8.

1 0. A biological sensor that collects the biological information of the driver is arranged in the cockpit, and the speed of the simulation data or the simulation story is controlled based on the information obtained by the biological sensor. The simulation device according to any one of claims 1 to 9, characterized by: