JP2006043224A - Walking aid vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a walking aid vehicle which has a tiltable seat part and is foldable and rich in strength. <P>SOLUTION: The vehicle is constituted of a pair of left and right front leg rods and rear leg rods, first reinforcement rods disposed over a first leg rod and the rear leg rod, a left and right pair of first spring rods of which one end is turnably supported respectively in the left and right front leg rods, a pair of left and right second spring rods, one end of which is turnably supported around the axis respectively in the left and right first reinforcement rods, seat rods turnably supported around the axis with the second spring rod, an engaging member for engaging the seat rod to the first reinforcement rod, a board-like seat fixed to one seat rod on the upper face side of the left and right seat rods, second reinforcement rods laid over the left and right front leg rods like a sash, and a pair of disk bodies mounted so as to clamp the second reinforcement rod from both sides at the crossing section of the second reinforcement rods. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a walking assistance vehicle used for assisting walking of a person who has weak lower limbs such as an elderly person or a sick person, and more particularly to a walking assistance vehicle that can be seated and folded and has high strength.

  2. Description of the Related Art Conventionally, walking assist vehicles that support the body during walking of elderly people and sick people have been used. The walking assist vehicle has a handle at the top and wheels at the lower four ends, and the user stands on the back side of the main body and pushes and advances while holding the handle.

  The walking auxiliary vehicle configured as described above can be folded in consideration of storage and transportability (Japanese Patent No. 3080943), and can be used when the user is fatigued (Patent No. 3080949). Issue).

  Here, the “elderly vehicle” described in Japanese Patent No. 3080943 is provided with a pair of front leg rods and a pair of rear leg rods that can be folded in the front-rear direction and the left-right direction.

In addition, the “old car” described in Japanese Patent No. 3080949 is provided with a pair of front leg rods and a pair of rear leg rods that can be folded in the front-rear direction and the left-right direction, and the seat portion can be tilted and folded. It is provided.
Japanese Patent No. 3080943 Japanese Patent No. 3080949

  The present invention adds a new form to the walking assistance vehicles that have been proposed variously as described above, more specifically, has a seat part that can be raised and lowered, and can be folded, Moreover, it is an object of the present invention to provide a walking assistance vehicle that is rich in strength, and further provides a walking assistance vehicle that is more convenient by providing a bag portion.

In order to solve the above-mentioned problem, the walking auxiliary vehicle according to claim 1 is constituted by the following members.

  (1) A pair of left and right front leg rods having a front wheel pivotally supported at the lower end and a handle rod on the upper side.

  (2) A pair of left and right rear leg rods with a rear wheel pivotally supported at the lower end.

  (3) A first reinforcing rod provided in a pair of left and right over the front leg rod and the rear leg rod.

  (4) One end of each of the left and right front leg rods is rotatably supported and the other end, which is an open end, is rotatably supported by a connecting member, and the longitudinal direction coincides with the left and right directions at a horizontal position. A pair of left and right first repellants.

  (5) One end portion of each of the left and right first reinforcing rods is supported so as to be rotatable around the axis, and in the horizontal position, the longitudinal direction coincides with the left and right directions and the other end portion which is an open end is freely rotatable by a connecting member. A pair of left and right second repelling rods that are supported by the horizontal axis and whose longitudinal direction coincides with the horizontal direction at the horizontal position.

  (6) A seat rod having a substantially U-shaped configuration, which is rotatably supported around the shaft and the second repellent rod at each side portion, and whose open ends are rotatably supported by a connecting member. .

  (7) A pair of latch members for latching the seat rod to the first reinforcing rod.

  (8) A plate-like seat fixed to one seat rod on the upper surface side of the left and right seat rods.

  (9) It spans across the left and right front leg rods in a pave-like manner via the joining members, each end of which is pivotally connected to the joining member, and the joining member located below is slid with respect to the front leg collars. The second reinforcement rod provided freely.

  (10) A pair of panel bodies attached in such a manner that the second reinforcing rod is sandwiched from both sides at the intersection of the second reinforcing rods.

  Furthermore, in the walking auxiliary vehicle according to claim 2, the bag portion is provided over the left and right front leg heels.

  It will be described with reference to the drawings how the above-described components act to solve the problem.

  FIG. 8 is a bottom view showing the configuration in the vicinity of the seat rod. A pair of seat rods having a plate-like seat on the upper surface is supported by a second repellent rod via a joining member. In addition, the seat rod is supported by the first reinforcing rod on one side thereof by a latching member. Thus, by being supported by a plurality of members, it is possible to sit on the seat on the seat.

  In addition, the seat rod is attached to the second repellent rod through a joint member so as to be rotatable. Therefore, as shown in FIG. 4 and FIG.

  By making the seat tiltable as described above, it is possible to raise the seat at the time of pushing forward. In other words, the pusher can push forward without disturbing the seat.

  In addition, the walking assistance vehicle according to the present invention is foldable, and is due to the structure of the first repellent cage, the second repellent cage, the seat rod and the second reinforcing rod.

  That is, one end of each of the pair of left and right first repellent rods is rotatably supported by the front leg rod, and one end of each of the pair of left and right second repellent rods is freely rotatable by the first reinforcing rod. It is supported. Because of having such a structure, when the auxiliary walking vehicle is folded in the left-right direction, the first repellent box is rotated downward and the second repellent box is rotated upward as shown in FIG. 6, so that the folding is not hindered. It is.

  Each of the pair of seat rods is supported by a pair of second repellent rods. Accordingly, as the second repellent rod is rotated upward, the open end of each seat rod is also moved upward as shown in FIG. In this way, the seat cage does not interfere with folding.

  Further, the pair of second reinforcing rods are spanned over the left and right front leg rods via a joining member, each end of which is rotatably connected to the joining member, and a joining member positioned below is provided. It is slidable with respect to the front leg collar. Therefore, as shown in FIG. 6, when the folding member is moved downward along the front leg rod when folded, the second reinforcing rod is rotated around its intersection. In other words, the second reinforcing rod does not hinder folding.

  As described above, in the walking assistance vehicle according to the present invention, since each member existing in the left-right direction does not interfere with the folding, the folding in the left-right direction becomes possible.

  Moreover, in the walking assistance vehicle which concerns on this invention, not only a pair of 1st reinforcement rod provided in the front-back direction but a pair attached in the form which pinches | interposes the 2nd reinforcement rod provided in the left-right direction and the 2nd reinforcement rod from both sides. Reinforcing with the main body of the board makes it rich in strength.

  That is, it is possible to prevent the handle bar from being twisted even if the pusher puts an unbalanced weight on the handle bar by hanging it across the left and right front leg bar and pinching it with the disc body.

  As described above, according to the walking auxiliary vehicle according to the first aspect, it is possible to provide a walking auxiliary vehicle that has a seat portion that can be raised and lowered, can be folded, and has high strength. is there.

  Further, in the walking auxiliary vehicle according to claim 2, a bag portion is provided over the left and right front leg rods. As a result, a small amount of luggage and personal items can be stored, which is convenient to use.

    1. Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings. 2, FIG. 1 is a front view of a walking auxiliary vehicle according to the present invention, FIG. 2 is also a rear view, and FIG. 3 is a right side view.

    3. The pair of left and right front leg rods 1 and 1 are metal cylindrical pipe bodies, which are arranged in the vertical direction with the longitudinal direction tilted backward from the vertical direction, and the front wheels via the shaft support members 2a and 2a at the lower end. 3a and 3a are pivotally supported rotatably. Further, the front leg rods 1 and 1 are provided with handle rods 5 and 5 so that they can be extended and contracted via fixing screws 4 and 4 at the upper end portion.

    4. A pair of left and right rear leg rods 6 and 6 bent in a substantially L shape are metal cylindrical pipe bodies, and one end portion is connected to the middle portion of the front leg rods 1 and 1 via the joining members 7a and 7a. It is joined. The rear leg rods 6 and 6 pivotally support the rear wheels 3b and 3b at the other end via the shaft supporting members 2b and 2b.

    5. The pair of left and right first reinforcing rods 8 and 8 provided between the front leg rods 1 and 1 and the rear leg rods 6 and 6 are metal cylindrical pipe bodies. The front leg rods 1 and 1 and the first reinforcing rods 8 and 8 are fixed via joint members 7b and 7b. The first reinforcing rods 8 and 8 and the rear leg rods 6 and 6 are fixed by a method such as welding.

    6, 2nd reinforcement rods 9 and 9 which are metal cylindrical pipe bodies are provided via joint members 7c and 7d and joint members 7c and 7d over left and right front leg rods 1 and 1. The upper joining members 7c and 7c are fixed to the front leg rods 1 and 1. The second reinforcing rods 9 and 9 are rotatably attached to the joining members 7c and 7c.

  The joining members 7d and 7d located below are provided so as to be slidable in the vertical direction along the front leg rods 1 and 1. That is, the joining members 7d, 7d have a cylindrical portion, and the front leg rods 1, 1 are loosely inserted into the cylindrical portion. Therefore, when the walking auxiliary vehicle is folded as shown in FIG. 6, the joining members 7 d and 7 d slide downward along the front leg rods 1 and 1.

  The second reinforcing rods 9 and 9 are rotatably attached to the joining members 7d and 7d.

  As shown in FIG. 9, the second reinforcing rods 9 and 9 are sandwiched between the disk bodies 10 and 10 in the vicinity of the intersection. Further, the second reinforcing rods 9 and 9 are rotatably supported by the shaft 11 at the intersections.

    7. The first repelling rods 12 and 12 are metal cylindrical pipe bodies and are provided over the left and right front leg rods 1 and 1.

  The first repelling rods 12 and 12 are respectively supported at their one ends by the front leg rods 1 and 1 so as to be rotatable. The other end portions of the first repelling rods 12 and 12 are rotatably connected to the connecting member 13. Therefore, when the auxiliary walking vehicle is folded, the first repelling rods 12 and 12 can be rotated downward as shown in FIGS.

    8. The second repelling rods 14 and 14 are metal cylindrical pipe bodies, and are provided across the first reinforcing rods 8 and 8 via the joining members 7e and 7e as shown in FIG.

  As shown in FIGS. 6 and 7, the second repellency kite rotates upward when the walking assist vehicle is folded. The reason why such rotation is possible is because it is configured as follows.

  That is, the joining members 7e and 7e have a cylindrical part, and the first reinforcing rods 8 and 8 are loosely inserted into the cylindrical part. Therefore, the joining member 7e can be rotated around the axis of the first reinforcing rod 8. Further, connecting members 13b and 13b are respectively attached to the other end portions of the second repelling rods 14 and 14, and the connecting members 13b and 13b are further rotatably connected to the connecting members 13c and 13c. Therefore, when the walking assistance vehicle is folded, the second repelling cages 14 and 14 can rotate.

   9. The seat rods 15 and 15 are metal cylindrical pipe bodies, and are formed in a substantially U-shape. As shown in FIG. 8, the seat rods 15 and 15 are connected to the second repellent rod 14 and the second repellent rod 14 so as to be rotatable around the axis of the second repellent rod via a joining member 7f on one side thereof.

  That is, as shown in FIG. 10, the joining member 7f has two cavities 7g and 7g, one cavity 7g has a second repelling rod 14, and the other cavity 7g has a seat ridge 15. It is inserted. The seat rod 15 is fixed to the joining member 7f after being inserted into the cavity 7g, and the second repelling rod 14 and the joining member 7f are not fixed. Therefore, as shown in FIGS. 4 and 5, the seat rods 15 and 15 can be raised and lowered.

  Connecting members 13b and 13b are attached to the open ends of the seat rods 15 and 15, respectively, and the connecting members 13b and 13b are rotatably connected to the connecting members 13c and 13c. Therefore, when the walking assistance vehicle is folded, the seat rods 15, 15 can be rotated as shown in FIG.

  FIG. 11 is a perspective view of the latch member 16. The latch member 16 is used to latch the seat rod 15 on the first reinforcing rod 8 and thereby support the seat. As shown in FIG. 11, the latch member 16 has a shape curved in an S shape, and one curved portion is fixed to one side portion of the seat rod 15. The other curved portion is hooked on the first reinforcing rod. The latch members 16 and 16 are provided on both the seat rods 15 and 15.

    10. The seat 17 is a plate-like body, and a cushion material is attached to the surface. The seat 17 is fixed to one of the seat rods 15 and 15. The reason why it is fixed to only one of the seat rods 15 and 15 is to prevent the walking assist vehicle from being obstructed.

    11. In the walking auxiliary vehicle according to claim 2, a bag 18 is attached to the left and right front leg rods 1 and 1 as shown in FIG.

The front view of the walk auxiliary vehicle which concerns on this invention. FIG. The right side view. The right view in the state which raised the seat part. FIG. The front view in the folded state. The rear view in the folded state. The bottom view which shows the structure of the vicinity of a seat rod. The figure which shows the structure of the cross | intersection part vicinity of a 2nd reinforcement rod. The perspective view of a connection member. The perspective view of a latching member. The front view of the walk auxiliary vehicle of Claim 2.

Explanation of symbols

1. ・ Front leg rod 2a, 2b ・ ・ Supporting member 3a ・ ・ Front wheel 3b ・ ・ Rear wheel
4. Fixing screw 5. Handle 杆 6. Rear leg 杆
7a, 7b, 7c, 7d, 7e, 7f ··· Joining member 8 ··· First reinforcing rod 9 · · Second reinforcing rod 10 · · Plate body 11 · · Shaft 12 · · First repellent rods 13a, 13b and 13c · · Connection member 14 · · Second repelling rod 15 · · Seat rod 16 · · Suspension member 17 · · Seat

Claims (2)

A pair of left and right front leg rods supporting a front wheel at the lower end and providing a handle rod on the upper side;
A pair of left and right rear leg rods with a rear wheel pivotally supported at the lower end;
A first reinforcement rod provided in a pair of left and right over the front leg collar and the rear leg collar;
One pair of left and right front leg rods is rotatably supported at one end and the other end, which is an open end, is rotatably supported by a connecting member. With the first hajiki
In each of the left and right first reinforcing rods, one end is rotatably supported around the axis, and in the horizontal position, the longitudinal direction coincides with the left and right directions, and the other end, which is an open end, is rotatably supported by the connecting member. A pair of left and right second repelling rods whose longitudinal direction coincides with the left and right direction in a horizontal position,
A seat rod having a substantially U-shaped configuration and rotatably supported around the axis with the second repellent rod at each side, and the open ends are rotatably supported by connecting members;
A pair of latch members for latching the seat rod to the first reinforcing rod;
A plate-like seat fixed to one seat rod on the upper surface side of the left and right seat rods;
A second reinforcement that spans the left and right front leg ridges, has each end rotatably connected to the joint member, and has a lower joint member slidable with respect to the front leg heel.杆,
A pair of panel bodies attached in a form to sandwich the second reinforcing rod from both sides at the intersection of the second reinforcing rod;
A walking assistance vehicle consisting of The walking auxiliary vehicle according to claim 1, wherein a bag portion is provided over the left and right front leg rods.

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