JP3200266U - wheelchair - Google Patents

Abstract

Provided is a wheelchair that is easy to use even for a healthy person who temporarily needs mobility assistance. A wheelchair (1) comprising a pair of left and right wheels (4, 5) and a frame part (3) provided with a pair of left and right front auxiliary wheels (6) in front of the wheel and a seat part (2) mounted on the frame part. The seat includes a seat surface 21, a pair of left and right armrests 22 and 23, a backrest 24 disposed on the back of the seating surface, and a pair of left and right side plates 25 and 26 covering the sides of the backrest and the armrest. And a backrest frame 32 that supports the backrest. The wheels and front auxiliary wheels are pivotally supported at positions below the armrests, and the wheels and front auxiliary wheels are covered with the side plates. [Selection] Figure 1

Description

  The present invention relates to a wheelchair, and more particularly to a wheelchair that can be easily used by a healthy person.

  2. Description of the Related Art Conventionally, for example, a wheelchair disclosed in Patent Document 1 is known as a moving tool that assists the movement of a person with a disability in a lower limb. The wheelchair of Patent Document 1 includes a manual rotating wheel 1 that is pivotally supported around the left and right directions of a seat 4 on which a user is seated, and an auxiliary wheel 2 that is disposed in front of the manual rotating wheel 1. Yes.

  A conventional wheelchair has a large-diameter wheel like the manual rotating wheel 1 of the above-mentioned Patent Document 1, and is used as a tool that is easy to ride and effectively assists the movement of people who have difficulty walking. be able to.

JP 11-151266 A

  The use of a conventional wheelchair is not limited to a person with a disability in the lower limb as described above. For example, even if an elderly person who does not normally have problems walking with his / her feet needs to temporarily support movement due to walking for a long time etc., the conventional wheelchair is used as a moving tool. be able to.

  However, there are many impressions that conventional wheelchairs are mobility tools for people with disabilities. Usually, elderly people who can walk by themselves need temporary assistance due to fatigue, chronic illness, etc. The use of wheelchairs by healthy people was a deterrent.

  This invention pays attention to the above-mentioned situation, and makes it the subject to provide the wheelchair which a normal person can use easily.

  A wheelchair according to the present invention, which has been made for the purpose of solving the above-mentioned problems, includes a frame portion having a pair of left and right wheels and a pair of left and right front auxiliary wheels in front of the wheels, and a seat seated on the frame portion. The seating portion includes a seat surface, a pair of left and right armrests, a backrest disposed on the back surface of the seating surface, and a pair of left and right side plates that cover side surfaces of the backrest and the pair of left and right backrests. The frame portion includes a seat surface frame on which the seat surface is placed, and a backrest frame that supports the backrest, and the pair of left and right wheels and the pair of left and right front auxiliary wheels are disposed below the armrest. The pair of left and right wheels and the pair of left and right front auxiliary wheels are covered with the side plates.

  In the wheelchair according to the present invention, the seat frame preferably further includes a pair of left and right rear auxiliary wheels behind the pair of left and right wheels.

  In the wheelchair according to the present invention, the frame portion further includes a foot brake portion disposed on a rear end side of the seating surface frame, and a handle portion including a brake lever on an upper end side of the backrest frame, Furthermore, it is preferable to provide a detachable back cover that covers the back surface of the frame part excluding the foot brake part and the handle part.

  In the wheelchair according to the present invention, the seat frame includes a footrest pivotally supported on the front end side of the seat frame so as to be pivotable about a left-right direction of the wheelchair, and the seat portion further includes the seat surface You may make it provide the front cover drooping from the front end.

  In the wheelchair according to the present invention, it is preferable that the side plate has a lower end of the side plate approximately 10 mm to 15 mm from the lower end of the wheel.

  In the wheelchair according to the present invention, it is preferable that the lower ends of the pair of left and right front auxiliary wheels and the rear auxiliary wheel are positioned approximately 10 mm above the lower ends of the wheels.

  According to the present invention, the pair of left and right wheels and auxiliary wheels are covered by the side plates, so that the function of the wheelchair as a moving tool is exhibited and the appearance can be configured as a chair that is not a wheelchair. With this configuration, even when a healthy person ordinarily does not need a wheelchair, the wheelchair can be used when movement assistance is required temporarily due to deterioration of physical condition or the like.

It is the figure which showed the positional relationship of the seating part 2 and the flame | frame 3 in an example of embodiment of the wheelchair which concerns on this invention, (a) is a front view, (b) is a side view. It is the front perspective view showing an example of the embodiment of the wheelchair concerning the present invention. It is a front view of the same Example. It is a back perspective view of the Example. It is the front perspective view which showed the structure of the frame part in the Example. It is the front view which showed the structure of the frame part in the Example. It is the side view which showed the structure of the frame part in the Example. It is the top view which showed the structure of the frame part in the Example.

Hereinafter, embodiments according to the present invention will be described with reference to the drawings.
As shown in FIG. 1, the wheelchair 1 of the present embodiment includes a seating portion 2, a frame portion 3, wheels 4 and 5, front auxiliary wheels 6, and rear auxiliary wheels 7. The seating portion 2 is placed on the frame portion 3 so as to cover the frame portion 3, the wheels 4, 5, the front auxiliary wheel 6 and the rear auxiliary wheel 7, and has a single sofa-like appearance as a whole.

  2 to 4, the seat 2 includes a seat surface 21, left and right armrests 22 and 23, a backrest 24, left and right side walls 25 and 26, a front cover 27, and a back cover 28. ing.

  The seat surface 21 is a member on which the user is seated on the wheelchair 1 and functions as a member for placing the seat portion 2 on a seat frame 31 described later. The seat surface 21 in the present embodiment is composed of a bottom plate having a substantially section shape in plan view and a cushion member disposed on the top of the bottom plate, and the cushion member is covered with a cover made of leather.

  The left and right armrests 22 and 23 are arranged so as to extend in the vertical direction from the left and right ends of the seat surface 21, and a cushion member covered with a leather material cover is provided on the upper end side in the same manner as the seat surface 21. It has been.

  The backrest 24 is a member arranged so as to extend upward from the rear end side of the seating surface 21, and, like the seating surface 21 and the left and right armrests 22 and 23, a cushion member covered with a leather material cover. Is provided.

  Side plates 25 and 26, which are plate members having substantially the same shape on the left and right, are provided on the left and right ends of the left and right armrests 22 and 23 and the backrest 24. As will be described later, the wheels 4 and 5, the front auxiliary wheel 6, and the rear auxiliary wheel 7 that constitute a mechanism as a moving tool of the wheelchair 1 are covered on both left and right sides by the side plates 25 and 26, so that it is easy from the side. It is configured so that it cannot be visually recognized. The side plates 25 and 26 of the present embodiment are composed of a side plate 26 that covers the side surfaces of the armrests 22 and 23 and a side plate 25 that covers the side surfaces of the backrest 24, but the side plates 25 and 26 are integrally formed. May be.

  The front cover 27 is a member made of a leather material extending downward from the front end side of the seating surface. Since the seating surface frame 31 described later is covered by the front cover 27 from the front end side, the seating frame 31 is not easily seen from the front. Further, the front cover 27 is a member made of a leather material, and is made of a flexible material, so that it can be easily pulled out when a footrest portion 33 described later is pulled out.

  The back cover 28 is a plate-like member that is disposed on the back surface of the backrest 24 and has an opening at a position where a handle portion 34 and a foot brake portion 35 described later are disposed. A seat frame 31 and a back frame 32, which will be described later, are covered at the rear end side by a back cover 28, and are configured so that they cannot be easily seen from the rear. The back cover 28 is a member that is detachably attached to the seating portion 2, and can be easily pulled out from the seating portion 2 to the rear in a state in which the back cover 28 is detached from the seating portion 2, as will be described later. In addition, the seat portion 2 can be easily attached to the frame portion 3 by attaching the back cover 28 to the seat portion 2 after the frame portion 3 is pushed in from behind the seat portion 2. .

  As shown in FIGS. 5 to 8, the frame portion 3 is a member mainly composed of a seating surface frame 31 and a backrest frame 32.

  The seat frame 31 is a member on which the seat portion 2 is placed. The left and right frame portions 311 formed with metal pipe-like members, the horizontal frame portion 312 connecting the left and right frame portions 311, and the wheels 4, 5. The main components are a wheel support portion 313 that supports the front auxiliary wheel 6, an auxiliary wheel support portion 314 that supports the front auxiliary wheel 6 and the rear auxiliary wheel 7, and a foot brake support portion 315. Further, the wheels 4 and 5, the front auxiliary wheel 6, the rear auxiliary wheel 7, the foot brake part 35, and the footrest part 33 are attached to the seating surface frame 31. In the present embodiment, the left and right frames 311 are formed in a substantially U shape in a side view with an opening at the lower side, and the U-shaped front end side vertical member and the upper end side front-rear direction member are arcs having a radius of 50 mm. It is formed to become. In the present embodiment, the seating portion 2 and the frame portion 3 are configured to be detachable by removing the back cover 28, but the lower end of the seating portion 2 is higher than the lower ends of the wheels 4 and 5, that is, the ground contact surface during traveling. By being in the position, when the frame part 3 is pushed in from behind the seating part 2, the frame 3 is pushed in with the rear end side of the seating part 2 lifted. At this time, since the position that becomes the corner on the front end side of the left and right frame portions 311 is formed as an arc, the arc-shaped portion can easily slide on the lower surface of the seating surface 21. Can be easily pushed into the seat 2.

  The wheels 4 and 5 are members that are pivotally supported on the left and right ends of the seat frame 31 so as to be independently rotatable on the left and right sides with the wheel support portion 313 as the axis. In the present embodiment, high polymer tires having a diameter of approximately 14 inches are used as the wheels 4 and 5.

  The front auxiliary wheel 6 is attached to the front of the wheels 4 and 5, and the rear auxiliary wheel 7 is attached to the rear of the wheels 4 and 5, both of which are functions of preventing the wheelchair 1 from falling down. The auxiliary wheels 6 and 7 of the present embodiment are casters using wheels having a diameter of about 4 inches, and are screwed into the lower ends of the auxiliary wheel support portions 314 of the seating surface frame 31. In addition, the auxiliary wheels 6 and 7 of the present embodiment are installed such that the lower ends of the auxiliary wheels 6 and 7 are at a position approximately 10 mm higher than the lower ends of the wheels 4 and 5.

  The backrest frame 32 is a member extending from the rear of the seating surface frame 31, and a metal pipe-like member is formed in the same manner as the seating surface frame 31. The backrest frame 32 includes a handle portion 34 for a caregiver or the like to move the wheelchair 1, and brakes the wheels 4 and 5 by operating a brake lever (not shown) provided on the handle portion 34.

  The foot brake unit 35 is a braking device that functions as a parking brake, a brake stay 353 that is passed between the left and right foot brake support units 315 of the seat frame 31, a brake pedal 351 that extends rearward from the brake stay 353, A link 352 for connecting the brake pedal 351 to the seat frame is provided. When the caregiver lowers the brake pedal 351 by, for example, stepping on the brake pedal 351, the brake pedal 351 and the brake stay 353 are moved rearward through the link 352, and the brake stay 353 comes into contact with the wheels 4 and 5, thereby Braking. Further, when the brake pedal 351 is raised in the braking state, the brake pedal 351 and the brake stay 353 are moved forward by the link 352, and the braking is released by releasing the contact between the brake stay 353 and the wheels 4 and 5. The The raised and lowered positions of the brake pedal 351 are held by a spring 354.

  The footrest portion 33 is a member that is pivotally supported in front of the seating surface frame 31 with the left-right direction as an axis. The footrest part 33 can be accommodated in the seat frame 31 by rotating the footrest part 33.

  As described above, the wheelchair 1 according to the present embodiment includes the wheels 4 and 5 having a diameter of approximately 14 inches in the vicinity of the center in the front-rear direction, and the auxiliary wheels 6 and 7 including casters on the front and rear of the wheels 4 and 5. It is configured as a six-wheeled vehicle. A normal wheelchair is generally configured as a four-wheeled vehicle composed of a front auxiliary wheel and a rear large-diameter wheel, but if there is a heavy object behind the axle of the large-diameter wheel serving as a rear wheel, Since there is a risk of falling, it is necessary to sit with the center of gravity located in front of the axle of the large-diameter wheel that is the rear wheel, in other words, the configuration in which the large-diameter wheel is arranged behind the seating position is essential. Become. The wheelchair 1 of the present embodiment is configured to cover the seat portion 2 on the frame portion 3 in order to provide a wheelchair that is easy to use even for a normal person. Since it is not necessary to arrange it behind a seating position, the rear part of the seating part 2 which covers this can be made into a more natural sofa shape with space saving. In a so-called self-propelled wheelchair operated by the user, a tire having a diameter of about 20 to 25 inches is usually used as a rear wheel. In the wheelchair of this embodiment, a wheel 4 having a diameter of about 14 inches is used. 5 is arranged near the center of the wheelchair and is configured as a six-wheeled vehicle in which auxiliary wheels 6 and 7 are arranged before and after the wheels 4 and 5, high turning ability can be obtained. The purpose of the wheelchair of the present embodiment is to provide a wheelchair that is easy to use when a healthy person or the like temporarily uses it. However, an assistant who operates the wheelchair normally operates the wheelchair on a daily basis. Expected not to go. The wheelchair of the present embodiment has high turnability due to the above-described configuration, and can be easily operated even by an assistant who does not operate the wheelchair on a daily basis.

  In addition, the wheelchair 1 of the present embodiment is configured such that the lower end of the seating portion 2 is positioned about 10 mm to 15 mm higher than the lower ends of the wheels 4, 5, and the lower end of the seating portion 2 is uneven on the traveling road surface Can be effectively prevented. In addition, if it is flat road surfaces, such as a flooring, it is desirable to set it as about 10-15 mm like a present Example, However, When driving | running | working on a carpet etc., the seating part 2 is set upwards, specifically May be positioned about 50 to 60 mm above the lower ends of the wheels 4 and 5.

  In addition, the wheelchair 1 of the present embodiment can easily attach and detach the seating portion 2 and the frame portion 3 by removing the back cover 28 of the seating portion 2, and the seating portion 2 has a single appearance made of leather. It is configured to be a sofa shape. For example, when a wheelchair 1 is to be installed in a facility such as a hotel or a department store, the seating unit 2 is installed as a normal sofa installed in a lobby and the wheelchair 1 is combined with the frame unit 2 if necessary and the wheelchair 1 is installed. 1 can be used. Even when a plurality of wheelchairs 1 are to be installed, the seating section 2 can be used as a normal sofa, so a plurality of seating sections 2 are installed and a small number of frame sections 3 are stored. Since the operation form which makes wheelchair 1 combining 3 with arbitrary seating parts 2 can be taken, introduction cost can be reduced and storage space when not in use can be saved.

  Although the configuration of the present embodiment is as described above, the mode for carrying out the present invention is not limited to this. For example, in the present embodiment, a leather material is used for the seat portion 2, but a material such as a cloth may be used. Further, the lower ends of the auxiliary wheels 6 and 7 are approximately 10 mm above the lower ends of the wheels 4 and 5, and the lower end of the seating portion 2 is 10 to 15 mm above the lower ends of the wheels 4 and 5. You may change suitably according to use.

DESCRIPTION OF SYMBOLS 1 Wheelchair 2 Seating part 21 Seat surface 22, 23 Armrest 24 Backrest 25, 26 Side plate 27 Front cover 28 Back cover 3 Frame part 31 Seat surface frame 311 Left and right frame 312 Horizontal frame 313 Wheel support part 314 Auxiliary wheel support part 315 Foot brake support Part 32 Back frame 33 Footrest part 34 Handle part 35 Foot brake part 351 Brake pedal 352 Link 353 Brake stay 354 Spring 4, 5 Wheel 6 Front auxiliary wheel 7 Rear auxiliary wheel

A wheelchair according to the present invention, which has been made for the purpose of solving the above-mentioned problems, includes a frame portion having a pair of left and right wheels and a pair of left and right front auxiliary wheels in front of the wheels, and a seat seated on the frame portion. The seating portion includes a seat surface, a pair of left and right armrests, a backrest disposed on the back surface of the seating surface, and a pair of left and right side plates that cover side surfaces of the backrest and the pair of left and right armrests. The frame portion includes a seat surface frame on which the seat surface is placed, and a backrest frame that supports the backrest, and the pair of left and right wheels and the pair of left and right front auxiliary wheels are disposed below the armrest. The pair of left and right wheels and the pair of left and right front auxiliary wheels are covered with the side plates.

Claims (6)

A wheelchair comprising a pair of left and right wheels and a frame portion provided with a pair of left and right front auxiliary wheels in front of the wheels, and a seating portion mounted on the frame portion,
The seating portion includes a seat surface, a pair of left and right armrests, a backrest disposed on the back surface of the seating surface, a pair of left and right side plates covering the backrest and the side surfaces of the pair of left and right backrests,
With
The frame portion includes a seating surface frame on which the seating surface is placed and a backrest frame that supports the backrest, and the pair of left and right wheels and the pair of left and right front auxiliary wheels are pivoted to a position below the armrest. Support
The wheelchair characterized in that the pair of left and right wheels and the pair of left and right front auxiliary wheels are covered with the side plates. The wheelchair according to claim 1, wherein the seat frame further includes a pair of left and right rear auxiliary wheels behind the pair of left and right wheels. The frame portion further includes a foot brake portion disposed on the rear end side of the seat frame, and a handle portion including a brake lever on an upper end side of the back frame,
The wheelchair according to claim 1 or 2, wherein the seating portion further includes a detachable back cover that covers a back surface of the frame portion excluding the foot brake portion and the handle portion. The seat frame includes a footrest pivotally supported on the front end side of the seat frame so as to be pivotable about a left-right direction of the wheelchair.
The wheelchair according to any one of claims 1 to 3, wherein the seating portion further includes a front cover hanging from the front end of the seating surface.   The wheelchair according to any one of claims 1 to 4, wherein the side plate is configured such that the lower end of the side plate is approximately 10 mm to approximately 15 mm from the lower end of the wheel. The wheelchair according to any one of claims 1 to 5, wherein lower ends of the pair of left and right front auxiliary wheels and a pair of left and right rear auxiliary wheels are positioned approximately 10 mm above the lower ends of the wheels. .