JP6227398B2 - wheelchair - Google Patents

Description

  The present invention relates to a wheelchair, and more particularly, to a wheelchair that reduces the physical burden on a caregiver when getting on and off the cared person.

  As a wheelchair, for example, as shown in Utility Model Registration No. 3096604, a wheelchair body provided with a seat portion, a backrest portion, and an armrest portion (hereinafter referred to as “conventional wheelchair”) is conventionally used. More widely known.

Utility Model Registration No. 3096604

  In the above-mentioned conventional wheelchair, when a cared person lying on a bed or a futon on a tatami mat is put on the wheelchair, the caregiver should hold the cared person with both arms in the direction of the cared person. A technique is adopted in which a cared person is placed in a wheelchair using a lifting device such as a sling seat or the like in accordance with the direction of the wheelchair.

  However, the caregiver who is lying on the bed or a tatami mat on the tatami mat is held in the wheelchair while the caregiver is holding it with both arms. Is a burden.

  Moreover, the lifting device such as a sling sheet is expensive and imposes a large economic burden on the caregiver.

  On the other hand, forcing such a physical burden or an economic burden on a caregiver imposes a large psychological burden on the care recipient.

  The present invention solves the above-mentioned problems in conventional wheelchairs and provides an inexpensive wheelchair that allows a caregiver to easily put a cared person lying on a bed or a tatami mat on a wheelchair. It was made as.

In order to solve the above problems, the present invention provides the following wheelchairs.

(1) A substantially U-shaped base part in a plan view with the rear part opened is provided with a wheel, and a pair of left and right support rods are erected in the vertical direction at the front part of the base part, and the rear part is opened on the support collar. A substantially U-shaped armrest frame in a plan view and a substantially U-shaped seat frame in a plan view with a rear part opened, the armrest frame being positioned above the seat frame, and the armrest frame and the seat frame The back of the armrest frame is detachably provided with a backrest, and the back of the stool frame is detachably provided with a seat. A wheelchair characterized in that it can be placed on the wheelchair forward from the rear side of the wheelchair (Claim 1).

(2) As means for raising and lowering the armrest frame and the seat frame, a male screw rod for an armrest frame and a male screw rod for a seat frame are erected on the front portion of the base so as to be rotatable and immovable up and down. A female screw body for an armrest frame is attached to the armrest frame, a female screw body for a seating frame is attached to the seat frame, the female screw body for the armrest frame is screwed to the male screw rod for the armrest frame, and the female screw body for the seat frame is attached. Screwing on the male threaded rod for the seat frame, and thus raising and lowering the armrest frame by rotating the male threaded rod for armrest frame, and raising and lowering the seated frame by rotating the male threaded rod for seat frame (Claim 2).

[Invention of Claim 1]
When the cared person lying on the bed is put on the wheelchair of the present invention, the armrest frame and the seating frame are raised and lowered according to the physique and state of the cared person, the backrest is removed from the armrest frame, Remove the seat from the frame. In this state, place the wheelchair in the vicinity of the bed, move the cared person forward from the rear side of the wheelchair to the base of the wheelchair, attach the seat to the seat frame, attach the backrest to the armrest frame, and place the cared person on the seat Sit on the back and put your back on the back. See FIG. 5 and FIG.

  In this case, the base, the stool frame, and the armrest frame are substantially U-shaped in plan view with the rear part opened, so that the wheelchair is placed over the bed depending on the condition of the care recipient. The cared person lying on the bed can be directly put on the wheelchair without being transferred onto the floor.

  When returning the cared person from the wheelchair to the bed, place the wheelchair in the vicinity of the bed, support the cared person, remove the backrest from the armrest frame, remove the seat from the seat frame, and place the cared person on the bed It is moved to.

  In this case, the base, the stool frame, and the armrest frame are substantially U-shaped in plan view with the rear part opened, so that the wheelchair is placed over the bed depending on the condition of the care recipient. The cared person can be returned directly to the bed.

  When the cared person lying on the futon on the tatami mat is put on the wheelchair of the present invention, the armrest frame is raised and lowered according to the physique, state, etc. of the cared person, and the backrest is removed from the armrest frame, Lower the seat frame to the lowest position. In this state, place the wheelchair in the vicinity of the futon, move the cared person forward from the rear side of the wheelchair to the base of the wheelchair, sit on the seat at the lowest position, attach the backrest to the armrest frame, The provided seat frame is raised to a predetermined height, and the back of the cared person is placed on the backrest.

  In this case, since the base is substantially U-shaped in plan view with the rear part opened, depending on the condition of the cared person, the wheelchair is placed on the futon, so that it lies on the futon on the tatami mat The cared person can be placed directly on the wheelchair without being transferred to the tatami mat.

  When returning the cared person from the wheelchair to the futon on the tatami mat, place the wheelchair in the vicinity of the futon, lower the seat frame to the lowest position, remove the backrest from the armrest frame, and return the cared person to the futon .

  In this case, since the base has a substantially U shape in plan view with the rear part opened, depending on the condition of the cared person, the wheelchair is placed over the futon, so that the cared person can be directly placed on the futon. Can be returned to.

  As described above, since the cared person can be put on the wheelchair from the rear side of the wheelchair, the carer can take the cared person lying on the bed or the tatami mat on the wheelchair. There is no need to adjust the direction of the cared person to the direction of the wheelchair while holding the carer with both arms.

  When placing a cared person lying on a futon on a tatami mat on the wheelchair of the present invention, remove the backrest from the armrest frame and lower the seat frame to the lowest position to bring the cared person on the futon to the bottom. After moving forward onto the seat in position, the seat frame with the seat can be raised to a predetermined height. That is, the caregiver does not need to lift the cared person high, and does not need to lift the cared person and align the direction with the direction of the wheelchair.

  In addition, since the base has a substantially U-shape in plan view with the rear part opened, the cared person is placed on the toilet while the cared person is placed on the wheelchair, and the cared person is allowed to use the toilet It is also possible.

  Therefore, the physical burden on the caregiver is significantly reduced. As a result, the psychological burden on the care recipient is also reduced.

  Furthermore, the wheelchair of the present invention has a simple structure and can be provided at a low cost.

[Invention of Claim 2]
Since the armrest frame can be raised and lowered by rotating the male screw rod for the armrest frame, and the seatframe can be raised and lowered by rotating the male screw rod for the waistframe, the work of raising and lowering the armrest frame and the seat frame is extremely Easy.

FIG. 1 is a perspective view showing an example of a wheelchair according to the present invention. FIG. 2 is a side view of the wheelchair. FIG. 3 is a front view showing an example of a backrest. FIG. 4 is a front view illustrating an example of a seat portion. FIG. 5 is a perspective view showing an example of a usage state of the wheelchair. FIG. 6 is a side view showing an example of a usage state of the wheelchair.

  What is shown by the code | symbol 1 is a base part of a wheelchair. The base 1 is substantially U-shaped in plan view with the rear part opened, and includes a wheel 3. The base 1 is preferably provided with a footrest (not shown) on which a cared person places his / her foot so as to be foldable, for example. A pair of left and right support rods 5 and 5 are erected in the vertical direction on the front portion 1 b of the base portion 1. What is indicated by reference numeral 5a is a connecting portion for connecting the upper ends of the support rods 5 and 5 to each other.

  The support rods 5 and 5 have an approximately U-shaped armrest frame 7 in plan view with the rear portion 7a opened and a substantially U-shaped seat frame 9 in plan view with the rear portion 9a opened. The armrest frame 7 and the seating frame 9 are supported so that they can be moved up and down separately from each other.

  The substantially U-shaped armrest frame 7 with the rear portion 7a opened is composed of a front rod 7b, one side rod 7c, and the other side rod 7d. In order to make the armrest frame 7 movable up and down with respect to the support rods 5 and 5, the front rod 7b in the armrest frame 7 and one side rod 7c are coupled via a coupling ring 7e, and the front rod 7b in the armrest frame 7 and The other side rod 7d is connected via a connecting ring 7f, and the connecting rings 7e and 7f are fitted to the support rods 5 and 5 so as to be slidable in the vertical direction.

  The seat frame 9 having a substantially U-shape in plan view with the rear portion 9a opened includes a front rod 9b, one side rod 9c, and the other side rod 9d. In order to make the seat frame 9 movable up and down with respect to the support rods 5 and 5, the front rod 9b and one side rod 9c of the seat frame 9 are connected via a connecting ring 9e, and the front rod 9b of the seat frame 9 and The other side rod 9d is connected via a connecting ring 9f, and the connecting rings 9e and 9f are fitted to the support rods 5 and 5 so as to be slidable in the vertical direction.

  A backrest 11 is detachably provided on the rear portion 7 a of the armrest frame 7. In order to detachably attach the backrest 11 to the rear portion 7 a of the armrest frame 7, in the example shown in FIG. 3, one side edge of the backrest 11 is rotated to one side wall 7 c of the armrest frame 7 via the attachment ring 13. The other side edge of the backrest 11 is detachable with respect to the other side rod 7d of the armrest frame 7 via a locking tool 15. What is shown by the code | symbol 17 is the flexible material attached to each side collar 7c, 7d of the armrest frame 7. FIG.

  A seat portion 19 is detachably provided on the rear portion 9a of the seat frame 9. In order to allow the seat portion 19 to be detachably attached to the rear portion 9 a of the seat frame 9, in the example shown in FIG. 4, one side edge 9 c of the seat frame 9 is attached to one side edge of the seat portion 19 via the attachment ring 21. The other side edge of the seat portion 19 can be engaged with and disengaged from the other side rod 9d of the seat frame 9 via a locking tool 23.

  As described above, the cared person can be put on the wheelchair forward from the rear side of the wheelchair.

  An example of means for raising and lowering the armrest frame 7 and the seat frame 9 is shown below.

A male screw rod 31 for an armrest frame and a male screw rod 33 for a seat frame are erected on the front portion 1b of the base 1 so as to be rotatable and not movable up and down. The male threaded rod 31 for the armrest frame and the male threaded rod 33 for the seat frame are arranged in the vertical direction in parallel with the support rods 5 and 5. Reference numerals 35 and 37 denote bearings for the male threaded rod 31 for the armrest frame. Reference numerals 39 and 41 denote bearings for the male threaded rod 33 for the seat frame.

An armrest frame female screw body 43 is attached to the armrest frame 7. That is, as an example, the armrest frame female screw body 43 is attached to the front rod 7 b of the armrest frame 7. The armrest frame female screw body 43 is screwed onto the armrest frame male screw rod 31.

A seat frame internal thread body 45 is attached to the seat frame 9. That is, as an example, the seat frame internal thread body 45 is attached to the front collar 9 b of the seat frame 9. The seat frame female screw body 45 is screwed onto the seat frame male screw rod 33.

Accordingly, the armrest frame male screw rod 31 is rotated to move the armrest frame up and down, and the waist frame male screw rod 33 is rotated to move the seat frame 9 up and down. In the illustrated example, the male screw rod 31 for the armrest frame and the male screw rod 33 for the seat frame are rotated by an electric motor or the like (not shown) disposed in the case 47, but for the armrest frame. The male screw rod 31 and the seat frame male screw rod 33 may be manually rotated through an appropriate handle or the like.

When the armrest male screw rod 31 is rotated in a certain direction, the armrest frame is raised, and when the armrest male screw rod 31 is rotated in the opposite direction, the armrest frame is lowered. Further, when the seat frame male screw rod 33 is rotated in a certain direction, the seat frame 9 is raised, and when the seat frame male screw rod 33 is rotated in the opposite direction, the seat frame 9 is lowered. To do.

What is shown by the code | symbol 51 in FIG. 2, FIG. 6 is a bed. In addition, as a means for raising / lowering the armrest frame 7 and the seat frame 9, in addition to the above means, a hydraulic device may be used.

1 base 1a rear 1b front 3 wheel 5 support rod 5a connecting portion 7 armrest frame 7a rear portion 7b front rod 7c side rod 7d side rod 7e coupling ring 7f coupling ring 9 seating frame 9a rear portion 9b front rod 9c side rod 9d side rod 9e Connecting ring 9f Connecting ring 11 Back 13 Mounting ring 15 Locking tool 17 Flexible material 19 Seat 21 Mounting ring 23 Locking tool 31 Male screw rod for armrest frame 33 Male screw rod for seat frame 35 Bearing 37 Bearing 39 Bearing 41 Bearing 43 Bearing 43 Armrest frame Female thread body 45 female thread body 47 for seat frame 51 case bed

Claims (2)

  A substantially U-shaped base portion in a plan view with the rear part opened is provided with a wheel, and a pair of left and right support rods are erected in the vertical direction at the front portion of the base portion. A substantially U-shaped armrest frame and a substantially U-shaped stool frame in a plan view with the rear part opened. The armrest frame is positioned above the seat frame, and the armrest frame and the seat frame are separately provided. It is supported so that it can be raised and lowered, and a backrest is detachably provided at the rear part of the armrest frame, and a seat part is detachably provided at the rear part of the stool frame, so that the cared person can be attached after the wheelchair. A wheelchair characterized in that it can be placed on a wheelchair forward from the side.   As means for raising and lowering the armrest frame and the seat frame, a male screw rod for an armrest frame and a male screw rod for a seat frame are erected on the front portion of the base so as to be rotatable and unable to move up and down. A female screw body for an armrest frame is attached, a female screw body for a seat frame is attached to the seat frame, the female screw body for the armrest frame is screwed to the male screw rod for the armrest frame, and the female screw body for the seat frame is attached to the seat frame. So that the armrest frame can be moved up and down by rotating the male threaded rod for armrest frame, and the seating frame can be moved up and down by rotating the male threaded rod for seat frame. The wheelchair according to claim 1, wherein

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