JP2008200060A - Armrest of wheelchair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an armrest which mounts a skirt guard for facilitating attachment and detachment for the easy replacement when the skirt guard of the armrest is damaged or gets dirty and for reinforcing an armrest frame, considering the facts described above. <P>SOLUTION: The attachment and detachment become easy, and strength of the armrest frame is increased by mounting the skirt guard made of a synthetic resin in a manner to cover the frame of the armrest. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention is attached to the side of the seat of the wheelchair, and an elbow rest on which the occupant sits and relaxes on the wheelchair, and a skirt guard for holding the occupant stably and safely are attached. Regarding armrests.

  Regarding the armrests to be installed on the side of the wheelchair seat, there are ingenuity to prevent the armrests from getting in the way when a wheelchair user gets in and out of the wheelchair, and to make it possible to sit safely on the wheelchair. ing.

  The armrest of Patent Document 1 is a detachable armrest of a wheelchair composed of a side plate configured to be detachable from a wheelchair body and an armrest cushion fixed to the side plate, wherein the side plate is formed by blow molding resin. A wheelchair removable armrest is disclosed.

  In Patent Document 2, in a side guard of a wheelchair provided between a seating portion and an armrest located thereabove, a winder that automatically winds up the sideguard body is provided on the armrest. There is disclosed a side guard for a wheelchair characterized in that a locking tool for locking the lower end of the side guard body pulled out from the winder so as to be detachable is provided on a side surface.

  Patent Document 3 states that the armrest device 2 is arranged from the vicinity of the back frame 8 mounting position to the mounting position of the foot frame 7 on the base frame 5 as shown in FIG. 10 and an elbow support member 11 attached to the support member 10, and the support member 10 pivotally supports an end of the base frame 5 on the back frame 8 side via a rotation attachment / detachment support mechanism 12. The end portion on the foot frame 7 attachment location side is detachably supported via the lock mechanism 13. ”The structure of the armrest is disclosed.

  In Patent Document 4, a side guard for a wheelchair disposed between a seating portion and an armrest located above the seating portion with respect to a wheelchair that can be tilted in a direction in which a seat back located behind the seating portion is aligned with the seating portion. The main body is composed of a triangular elastic net having a bottom portion along the seating portion, a rising side portion along the seat back, and an oblique side portion, and the bottom portion is attached to a side surface of the seating portion. In addition, a side guard for a wheelchair characterized in that the rising side portion is attached to the seat back is disclosed.

The armrest structure of Patent Document 5 is attached so that a large-diameter wheel and a small-diameter wheel can be interchanged on both sides of the wheelchair body, and when a large-diameter wheel is attached, a person sitting on the seat of the wheelchair body turns the wheel and runs As a self-propelled wheelchair, the wheelchair can be used as a nursing wheelchair that is pushed by a caregiver when a small-diameter wheel is attached, and a brake provided with a brake handle for braking the rotation of the wheel is attached to the wheelchair body. In the structure of a wheelchair armrest attached to the side, an armrest is formed on the armrest pipe to form an armrest, and the armrest is placed on both sides of the seat of the wheelchair body at a position inside the wheel and brake, The end is pivotally supported by the wheelchair body so that it can be pivoted up and down, and the armrest pipe The lower end of the front end is fitted to a pipe holder provided at a position behind the brake on the side of the wheelchair body so that it can be freely inserted and removed, and the armrest can be flipped up and turned to the wheelchair body. The lower part of the front end of the armrest pipe is bent backward and the lower end of the bent part is formed as a fitting part to be fitted to the pipe holder, and the outer shape of at least the lower part of the bent part is the other part of the armrest pipe. A structure of an armrest for a wheelchair characterized by being formed to have a smaller diameter than the outer diameter of the portion is disclosed.
JP 2001-252310 A JP 2003-290292 A JP 2003-126170 A JP 2004-105243 A JP 2006-016884 A

  Various armrest structures have been disclosed as described above, but not only can they be easily replaced when the skirt guard of the armrest is damaged or soiled, but a skirt guard for reinforcing the armrest frame has been installed. There is no armrest and its appearance is desired.

  In view of the above facts, the present invention provides an armrest that can be easily replaced when the skirt guard of the armrest is damaged or soiled, and that is easy to attach and detach, and is provided with a skirt guard for reinforcing the armrest frame. provide.

  The structure of the armrest skirt guard is designed so that it can be easily attached and detached so that it can be easily replaced if it is damaged or damaged. It was installed to cover. In particular, the strength of the armrest frame could be increased by attaching the skirt guard so as to cover the frame of the armrest.

  A first feature of the present invention is an armrest for a wheelchair in which an elbow rest supported by legs that can be adjusted in the vertical direction is installed, and the body of the front and rear frames from above the frame frame of the armrest This is an armrest for a wheelchair characterized in that a skirt guard made of synthetic resin is attached to the side in contact with the wheelchair.

  The shape of the skirt guard that covers the frame of the armrest may be a quadrangle, a rectangle, a triangle, or the like as long as it fits the frame of the armrest. Further, the skirt guard may have a shape covering from the upper part of the frame of the armrest to the lower part of the frame of the seat frame, or may have a shape up to the middle. Moreover, the wheelchair which mounts | wears with the armrest which stuck the skirt guard of this invention can be mounted | worn irrespective of self-propelled, nursing, electric type, etc.

  The second feature of the present invention is that for a wheelchair according to claim 1, wherein a skirt guard made of synthetic resin is attached to the inner and outer sides of the armrest so as to cover the frame from the upper side of the frame frame of the armrest. Armrest.

  The skirt guard to be affixed to the armrest frame may cover both the inside on the seat side and the outside on the wheel side. The material of the synthetic resin that forms the skirt guard of the armrest is not particularly limited, but it is desirable that the material has strength that does not break even with some impact and has excellent weather resistance.

  In the armrest of the present invention, a skirt guard made of a synthetic resin that can be easily replaced is pasted from the upper side of the frame frame to the side in contact with the body. For this reason, it has the effect of increasing the strength of the frame frame of the armrest. Further, by sticking the skirt guard to the frame frame of the armrest, the cold feeling of the frame frame is not transmitted, and the ride comfort is improved even in cold weather. Since the armrest of the present invention is equipped with an elbow rest supported on a leg portion whose height can be adjusted up and down, the effect of easily adjusting the height of the elbow rest according to the posture of the occupant have.

  As shown in FIG. 1, the armrest 100 of the present invention is a wheelchair 10 having a main wheel 13 on a side surface of a seat portion 12, a backrest 11 on a rear portion, a footrest 15 on a front surface of the seat portion 12, and casters 14 on a front lower end portion. The armrest is attached to protect the occupant from the main wheel 13 while the occupant is stably held on the wheelchair, and the skirt guard 18 is attached to the frame frame 17 of the armrest. Armrest 100.

  The method of attaching the skirt guard 18 to the frame frame 17 of the armrest 100 according to the present invention is as shown in (2-1) of FIG. 2 so as to cover the frame from the upper side of the frame frame 17 of the armrest. A skirt guard 18 is affixed to the side where the occupant contacts.

  Another feature of the armrest 100 according to the present invention is that, as shown in FIG. That is, the skirt guard 18 is attached to the inner and outer surfaces on the outer side of the wheel 13 side.

  FIG. 3 shows a perspective view of the armrest 100 of the present invention as seen from the main wheel side. The armrest 100 according to the present invention is an armrest 100 for a wheelchair on which an elbow rest 19 supported by a leg portion 20 capable of adjusting the height in the vertical direction is attached, and the frame rests from above the frame frame 17 of the armrest 100. This is an armrest 100 for a wheelchair in which a synthetic resin skirt guard 18 is attached to the side of the frame 17 on which the body contacts. The skirt guard 18 is attached so as to cover the frame from the upper side of the frame frame 17 of the armrest, and then fixed with three screws 18a, 18b, and 18c. When the skirt guard 18 is damaged or broken, the skirt guard 18 is fixed with screws, so that the skirt guard 18 can be easily attached and detached when the skirt guard 18 is replaced.

  FIG. 4 shows a perspective view of the armrest 100 of the present invention as seen from the seat side. The lower end of the rear part of the frame 17 of the armrest is provided as a hinge part 22 so as to be freely opened and closed on the rear part (not shown) of the wheelchair frame. The front lower end portion of the frame frame 17 of the armrest serves as a fixing portion 21, and the front fixing portion 16 of the armrest having a hook hook or the like on the front portion of the wheelchair frame with which the front lower end portion of the frame frame 17 of the armrest abuts (see FIG. 1) and fix the armrest 100 so that it can be opened and closed.

  The material of the skirt guard 18 to be affixed to the armrest 100 in the present invention may be any of polyethylene, polypropylene, vinyl chloride, polystyrene, epoxy resin, phenol resin, and the type of resin is not particularly limited, but impact resistance Weather resistant plastics are desirable.

  The frame frame 17 of the armrest shown in FIG. 5 has a hinge portion 22 that is attached to the rear portion of the wheelchair so that it can be freely opened and closed, and a fixing portion 21 that fixes the frame frame 17 at the front portion of the wheelchair. . An elbow rest 19 is attached by a leg fixing portion 23 in the middle of the upper portion of the frame frame 17 of the armrest.

  FIG. 6 shows a method of attaching the elbow rest 19 to the frame frame 17 of the armrest. The leg 20 of the elbow rest 19 is fixed to the hole drilled in the upper portion of the frame frame 17 as shown in FIG. A leg fixing portion 23 is attached. A lock pin 25 urged by a spring 26 is inserted into the leg fixing portion 23, and the lock pin 25 is inserted into a hole formed in the leg portion 20 of the elbow rest so that the elbow rest 19 is attached to the frame frame 17. Inserted and fixed. Adjustment of the height of the mounted elbow rest 19 is suitable by raising the lever 24 and removing the lock pin 25 from the hole drilled in the leg 20 of the elbow rest as shown in FIG. When the lever 24 is returned to the correct position, the lock pin 25 is fitted into the hole of the leg 20 of the elbow rest and fixed.

It is a perspective view of the wheelchair which installed the armrest of the present invention. It is sectional drawing which affixes a skirt guard to an armrest frame. It is the fragmentary perspective view from the main wheel side of the armrest which stuck the skirt guard on the single side | surface by the side of a seat part from the upper side of an armrest frame. It is the fragmentary perspective view from the seat part side of the armrest which stuck the skirt guard on the single side | surface by the side of the seat part from the upper side of an armrest frame. It is a perspective view of the attachment state of an elbow rest. It is sectional drawing which shows the fixing method of an elbow rest.

Explanation of symbols

100: Armrest 10: Wheelchair with armrest 11: Backrest 12: Seat part 13: Main wheel 14: Caster 15: Footrest 16: Front part fixing part of armrest 17: Frame frame 18: Skirt guard 19: Elbow rest 20: Leg Part 21: Fixing part 22: Hinge part 23: Leg fixing part 24: Lever 25: Lock pin 26: Spring

Claims (2)

An armrest for a wheelchair in which an elbow rest supported by legs that can be adjusted in the vertical direction is attached, and is made of a synthetic resin from the upper side of the frame frame of the armrest to the side where the body on the seat side comes into contact An armrest for a wheelchair characterized by having a skirt guard attached. The armrest for a wheelchair according to claim 1, wherein a skirt guard made of synthetic resin is attached to the inner and outer sides of the armrest so as to cover the frame from the upper side of the frame frame of the armrest.

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