JP2011239816A - Walking aid vehicle and table mat used for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a walking aid vehicle which enables the use of left and right grips, a table mat and a seat board without a switching operation by a simple structure.SOLUTION: The walking aid vehicle includes a vehicle base 1 provided with wheels 3a and 3b, a planar table mat 5 attached to the upper part of the vehicle base 1, and the seat board 4 attached to the middle part of the vehicle base. The table mat 5 includes a planar body 5a having a plane space sufficient for putting the weight of the upper limb of a user, a pair of grip parts 5b integrally formed on the left and right of the planar body 5a, and attaching holes 5c formed along the axial direction at the grip parts 5b. The table mat 5 is attached to the vehicle base 1 by inserting and fitting the attaching shaft parts 1c of the vehicle base 1 to the attaching holes 5c, and the front end part 5d of the planar body 5a is formed as a back rest part for receiving the back of a seat board user.

Description

The present invention relates to a walking assistance vehicle that assists an elderly person with reduced walking function, an upper limb, and a disabled person with unstable trunk balance, and a table mat used in the walking assistance vehicle.
Here, the walking assistance vehicle refers to all walking vehicles that assist self-supporting walking, which are called silver cars, walker, walking cars, walking assistance vehicles, walking assistance devices, etc. in the medical, welfare, and nursing care fields.

  In general, the walking assistance vehicle is a type in which a grip such as a bicycle handle is used by hand (see Patent Document 1), and an upper limb such as an arm or an elbow is attached to a table mat (forearm support base) attached to the upper part. There are two types (Patent Document 2) that can be used while holding the grip with your hand, and you can use it with your upper limbs attached to the table when you get tired (Patent Document 3). They are used according to the place of use.

  In addition, a type in which a chair function is added to a walking assistance vehicle so that a person can sit and take a break is also known. Patent Document 4 discloses a dual-purpose walking auxiliary vehicle to which a chair function is added. This walking auxiliary vehicle is provided with left and right grips (grip part) and table mat (forearm support base) on the upper part of the chassis made of pipe material, and has a seat that can be used as a chair in the middle part of the chassis. Yes.

  When walking while holding the grip, the table mat (forearm support) above the grip is in the way, so the table mat (forearm support) is lifted away from the upper part of the grip. Use in the state moved to. When the user gets tired, the table mat is returned to a horizontal state above the grip from a position away from the front, and the upper surface of the table mat is placed on the upper surface of the table mat. Further, when it is desired to take a break during the running, the table mat is moved to a position away from the front as described above, and the back surface of the table mat is used as a backrest.

JP-A-7-24025 JP 2007-209490 A JP 2003-153744 A Design Registration No. 1286292

  In the dual-purpose walking auxiliary vehicle shown in Patent Document 4 above, a usage mode in which the user walks by gripping the left and right grips and a usage mode in which the upper limb is placed on the table mat can be selected, and in addition, a chair for resting Convenient because it has functions. In particular, nursing care equipment rental companies and nursing care facilities that lend walking assistance vehicles need to own multiple walking assistance vehicles, so there is a multifunctional walking assistance vehicle that can respond to different needs of customers with one unit. If there is, there is a great merit that it is not necessary to prepare a large number of walking auxiliary vehicles for each type, and the storage space can be reduced. However, there are the following problems.

  In the above-described multi-function walking assist vehicle, the position of the table mat (forearm support base) is changed when the usage mode is changed from the state of walking with a grip to the state of walking with the upper limbs or vice versa. In this case, it is necessary to move to a position far away from the front (position to be a backrest) or to return to a horizontal posture, which requires a very troublesome operation for the elderly and disabled persons with unstable trunk balance. It was. Moreover, the same operation was required also when changing from the aspect which uses a table mat (forearm support stand) to a horizontal attitude | position to the aspect used as a chair. These operations are not burdensome for healthy people, but are a heavy burden for the elderly and disabled.

  In addition, since a mechanism for switching the posture of the table mat is added, the structure of the walking assist vehicle becomes complicated, and the number of parts increases, causing failure and malfunction, and increasing costs. There was a problem.

  Therefore, the present invention solves the above-described problems, uses without gripping the right and left grips without performing any switching operation for each use, a use that places the upper limb on the table mat, and a use that sits on the seat It is an object of the present invention to provide a walking assistance vehicle that can take the following steps and a table mat used therefor with a simple structure at a light weight and at a low cost.

  The walking auxiliary vehicle of the present invention made to solve the above problems includes a chassis having wheels, a plate-like table mat supported on the upper part of the chassis, and a seating board attached to an intermediate portion of the chassis. The table mat includes a plate-like body having a planar space for placing a user's upper limb, and a pair formed integrally with the plate-like body on the left and right sides of the plate-like body. And a mounting hole formed along the axis of each grip part, and a pair of left and right mounting shaft parts for fitting into the mounting hole of the table mat is provided at the upper part of the chassis. The table mat is attached to the chassis such that the plane space of the table mat is horizontal by inserting the mounting shaft portion of the chassis into the mounting hole, and further, Surface is configured to form a recess such that the back portion for receiving the back of the seat board user.

  According to the present invention, the user does not perform any switching operation such as changing the posture and position of the table mat, and while walking in the form of holding the left and right grips, on the upper surface of the table mat. The user can walk with his / her upper limbs lying down, and can take a break while sitting in the same form and supported by the backrest without any switching operation even during traveling. Thus, since it can be used with one form, the complexity of operation with respect to an elderly person or a disabled person can be eliminated.

  The table mat has a plate-shaped body and left and right grips that are integrally formed, and is mounted on the upper part of the chassis with mounting holes formed along the axis of each grip on the left and right sides. Since the shaft portion is inserted and fitted, the table mat can be easily attached to the attachment shaft portion. Further, the attached table mat becomes a part of the chassis, and the composition strength of the chassis can be increased. In addition, since the table mat and the grip portion are integrally formed, it is possible to omit making a separate grip and attaching it to the vehicle body, and a mechanism for changing the posture is required because the table mat is fixed. Therefore, there is an excellent effect that the overall structure is simplified and the cost can be reduced.

  The said structure WHEREIN: It is preferable to set it as the structure by which the said chassis is formed with a metal pipe and can be folded by a pair of left and right link mechanisms. As a result, the strength and weight of the vehicle body can be improved, and it can be folded when not needed, making it easy to use.

  Further, the table mat of the present invention made from another point of view is formed integrally with a plate-like body having a planar space for placing a user's upper limb, and on both the left and right sides of the plate-like body. A pair of grip portions, each grip portion is formed with a mounting hole for inserting the mounting shaft portion of the chassis along the respective axis, and the front end surface of the plate-like body is used as a seat It has a structure in which a concave portion is formed so as to be a backrest portion that receives the back of the person.

With the above configuration, the table mat according to the present invention can be easily mounted on the mounting shaft portion of the chassis using the mounting hole of the grip portion, and the table mat can also serve as a reinforcing material for the chassis. The chassis structure can be simplified.
Also, when the table mat is attached to the chassis, you can walk with the left and right grips, or you can walk with the gripping part in the posture with your upper limbs lying down on the upper surface of the table mat. Convenience can be enhanced and the front end of the plate-like body can be used as a backrest.

It is a perspective view which shows one Example of the walk auxiliary vehicle which concerns on this invention. 1 is a perspective view of a table mat according to the present invention. It is a side view of the walking auxiliary vehicle of FIG. It is a side view which shows the state which folded the walk auxiliary vehicle of FIG.

  Hereinafter, details of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a walking auxiliary vehicle A which is an embodiment of the present invention. FIG. 2 is a perspective view of a table mat in the walking auxiliary vehicle A of FIG. FIG. 3 is a side view of the walking auxiliary vehicle A of FIG.

  The chassis 1 of the walking auxiliary vehicle A is made of metal pipes such as aluminum, stainless steel, and iron, and is composed of a front frame 1a and a rear frame 1b that are paired on the left and right. A front wheel 3a is attached to the lower end of the front frame 1a, and a rear wheel 3b is attached to the lower end of the rear frame 1b. Further, the front frame 1a and the rear frame 1b are connected to each other via a shaft 2 so as to be foldable. By folding the folding link 1f from a straight line, the chassis 1 is used (see FIGS. 1 and 3). ) To a folded posture (FIG. 4).

  A horizontal plate-like table mat 5 is attached to the upper portion (height 70 cm to 110 cm) of the chassis 1, and a seat 4 is attached to an intermediate portion (height 30 cm to 50 cm) of the chassis 1. Yes.

  As the table mat 5, a mat molded product having a thickness of about 30 cm to 80 cm using a material having an appropriate elasticity and strength is used, and the upper limb is placed when using the upper limb so that the user can lie down. And a pair of left and right rod-shaped grip portions 5b formed integrally with the plate-like body 5a on both the left and right sides of the plate-like body 5a.

  The grip part 5b is formed so that one end on the front side is connected to the plate-like body 5a, and its axial direction (longitudinal direction) is oriented in the same plane as the plate-like body 5a. The grip portion 5b is provided with an attachment hole 5c (which may be a through-hole or a bottomed hole) along the axis, and is horizontally connected to the attachment shaft portion 1c connected to the upper end of the front frame 1a of the chassis 1 in the attachment hole 5c. The table mat 5 is supported by the chassis 1 by inserting the bent tip. When connecting the attachment shaft portion 1c and the grip portion 5b, an adhesive may be applied and joined to the peripheral surface of the insertion portion of the attachment shaft portion 1c or the inner surface of the attachment hole 5c. When it is desired to replace the table mat 5, the table mat 5 and the mounting shaft portion 1c may be coupled with a fixing screw.

  The lower end of the mounting shaft portion 1c is slidably fitted into the upper end portion of the front frame 1a, and is fixed by a fastening bolt 6 at an arbitrary position. As a result, the vertical position of the table mat 5 can be adjusted.

  Furthermore, the front end portion 5d, which is the front side surface of the plate-like body 5a, is formed with a smoothly rounded recess so as to be a backrest portion for receiving the back surface when the user sits on the seat base 4. When the user sits down on the seat 4, the relative position of the seat 4 and the table mat 5 is set in advance so that the front end 5 d of the table mat 5 fits well to the user's back. It is arranged on the chassis 1. The front end 5d is also used as a grip when the user places the upper limb on the plate-like body 5a.

The rear end portion 5e, which is the rear side surface of the plate-like body 5a, is formed with a smoothly rounded recess so as to be an upper body receiving portion that receives the upper body front surface (chest and abdomen) of the user.
A gap is formed between the left and right sides of the plate-like body 5a and the grip portion 5b so that the user can hold the grip portion 5b by hand.

The seat 4 is pivotally supported via a bearing portion 4a on a horizontal shaft 1d that spans the front frame 1a at the front portion of the lower surface thereof, and the rear frame at the rear portion of the lower surface of the seat base 4 via the engaging portion 4c. It is supported by the chassis 1 in a state in which it is detachably engaged with a reed 1e spanned over 1b. When the chassis 1 is folded, the engaging portion 4c of the seat 4 is detached from the reed 1e and folded as shown in FIG.
A brake lever 7 is attached directly below the grip 5b so that a brake (not shown) can be operated via a brake wire (not shown).

The walking auxiliary vehicle A can be used by grasping the left and right grip portions 5b when walking, and also grabs the front end portion 5d of the table mat by placing an upper limb so that the upper surface of the table mat 5 lies down when walking. Can also be used. In addition, when he wants to rest his body while traveling, he can sit on the seat 4 and take a break.
In any of these usage modes, the user does not need a switching operation such as changing the posture of the table mat 5 and can use it as it is.

  Further, since the table mat 5 is made of a molded product made of a synthetic resin material having an appropriate strength, and the mounting shaft portion 1c of the front frame 1a is inserted into the left and right grip portions 5b, the table mat 5 is simplified. The front mat 1a can be attached to the front frame 1a, and the table mat 5 can be used as a reinforcing material for the front frame 1a that is paired on the left and right, thereby increasing the composition strength of the walking assistance vehicle.

  As mentioned above, although the typical Example of this invention was described, this invention is not necessarily limited only to said Example structure. For example, the material of the chassis 1 is not limited to a metal pipe, and can be formed of a metal mold material such as an L shape, a channel shape, or a prism. The table mat 5 is preferably a mat molded product made of a synthetic resin material having an appropriate strength, but may be other materials such as natural hard rubber, synthetic rubber, wood, or synthetic wood. Others The present invention can be appropriately modified and changed within the scope of achieving the object and without departing from the scope of the claims.

  INDUSTRIAL APPLICABILITY The present invention can be applied to all walking vehicles that assist self-supporting walking called silver cars, walker, walking vehicles, walking assistance vehicles, walking assistance devices, and the like.

1 chassis 1a front frame 1b rear frame 1c mounting shaft 3a front wheel 3b rear wheel 4 seat base 5 table mat 5a plate-like body 5b grip portion 5c mounting hole 5d front end

Claims (3)

A walking assistance vehicle comprising a chassis with wheels, a plate-like table mat supported on the chassis upper part, and a seat mounted on an intermediate part of the chassis,
The table mat includes a plate-like body having a planar space for allocating an upper limb of a user, a pair of grip portions integrally formed with the plate-like body on both the left and right sides of the plate-like body, A mounting hole formed along the axis,
A pair of left and right attachment shafts for fitting into the attachment holes of the table mat are attached to the upper part of the chassis,
The table mat is attached to the chassis so that the plane space of the table mat is horizontal by inserting the mounting shaft portion of the chassis into the mounting hole, and the front end surface of the plate-like body is used as a seat A walking auxiliary vehicle characterized in that a concave portion is formed so as to be a backrest portion for receiving a person's back.   The walking auxiliary vehicle according to claim 1, wherein the chassis is formed of a metal pipe and is foldable by a pair of left and right link mechanisms. A plate-like body having a planar space for placing a user's upper limb, and a pair of grip portions formed integrally with the plate-like body on the left and right sides of the plate-like body, each grip portion having its own axis A mounting hole for inserting and fitting the mounting shaft portion of the chassis is formed along
Furthermore, the table mat for walk auxiliary vehicles which has the structure where the recessed part was formed so that the front-end surface of the said plate-shaped body might become a backrest part which receives a seat user's back.

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