KR102418551B1 - Wheelchairs with standing function - Google Patents

Abstract

A wheelchair including a standing function according to the present invention includes a body portion; a seat portion including a frame portion connected to the body portion and a seat plate fixed to the frame portion; a telescoping driving unit having one end mounted on the rear side of the body, the other end mounted on the frame, and moving the seat up and down as it expands or contracts; a back plate part fixed to the rear side of the frame part to support the user's back; a wheel part which is rotatably mounted on the body part and moves the body part when rotating; and a foot support part provided with a swash plate having one end hinged to the front side of the frame part, and a foot plate extending upward from the swash plate to support the user's foot.
In a wheelchair including such a standing function, the user can easily operate the telescopic drive unit through the pressing operation of the control unit, and the seat unit can be moved up and down by the telescopic operation of the telescopic drive unit, so convenience can be increased according to the user's living environment. can

Description

WHEELCHAIRS WITH STANDING FUNCTION

The present invention relates to a wheelchair having a standing function, and more particularly, to a wheelchair convertible into a state in which a user can maintain a sitting or standing state.

Recently, the demand for wheelchairs is increasing due to the continuous increase in the number of people with disabilities or the elderly with reduced mobility.

These wheelchairs are mainly used for the purpose of moving the elderly, disabled, and patients with reduced mobility on their own.

In general, a wheelchair is provided with wheels, armrests, leg supports, and a backrest, and a user sitting in the wheelchair can move the wheel by rolling the wheel by applying force with his or her hand. At this time, since the user is usually sitting, the height that the user can reach is limited compared to when standing.

Since such a conventional wheelchair is a wheelchair equipped with only a means of movement, it may cause inconvenience depending on the environment in which the user lives.

For example, the wheelchair is difficult to use when taking out items located on a cabinet or shelf, or when using an ATM machine. .

Laid-open Patent Publication No. 10-2012-0080446 (2012.07.17.)

The present invention has been devised in order to solve the above-described problems in the prior art, and an object of the present invention is to enable the elderly, the handicapped, and patients with reduced mobility to use as a means of transportation, and to include a standing function to provide an object located in a cabinet or shelf. An object of the present invention is to provide a wheelchair that can be easily used for taking out, using an ATM machine, or viewing art galleries and exhibitions, thereby increasing user convenience.

The present invention for achieving the above object is a body portion; a seat portion including a frame portion connected to the body portion and a seat plate fixed to the frame portion; a telescoping driving unit having one end mounted on the rear side of the body, the other end mounted on the frame, and moving the seat up and down as it expands or contracts; a back plate part fixed to the rear side of the frame part to support the user's back; a wheel part rotatably mounted on the body part to move the body part when rotating; And it provides a wheelchair with a standing function, characterized in that it comprises a sloping plate hinged to the front side of the frame portion, and a foot support having a footrest extending upward from the sloping plate to support the user's feet.

Here, the body portion has a front guide hole formed to be inclined downward toward the front direction and a rear guide hole formed horizontally on the side thereof, and the frame portion includes a front protrusion and a rear protrusion which are inserted into the front guide hole and the rear guide hole. a first frame formed on the side; a second frame provided perpendicular to the front end of the first frame; a pair of third frames having a front end hinge-coupled to the upper and lower portions of the second frame at regular intervals, and the seat plate being fixed to one side; and a fourth frame in which rear ends of the pair of third frames are hinge-coupled to upper and lower portions at regular intervals.

In addition, the expansion and contraction drive unit, one end is mounted on the rear side of the body portion, the other end is mounted on one side of the pair of third frames, as the expansion and contraction drive unit expands or contracts, the second frame, the one The pair of third and fourth frames are characterized in that they move up and down while forming a parallelogram.

In addition, the back plate is fixed to the extension extending from the upper end of the fourth frame to maintain the inclined state at a predetermined angle.

On the other hand, the swash plate includes rail holes formed by a predetermined length along the longitudinal direction on both sides, and the body portion further includes an insertion shaft penetrating the rail holes formed on both sides of the swash plate, and when the expansion and contraction drive unit is extended or contracted , The insertion shaft is characterized in that the sliding movement is possible along the rail hole.

On the other hand, the armrest is fixed to the back plate provided to support the user's arm; a manipulation unit mounted on the armrest and receiving a control command for operating the telescoping drive unit from a user; and a control unit connected to the manipulation unit and configured to control extension or contraction of the expansion and contraction driving unit based on a control command input from a user.

On the other hand, after the front side of the frame part is lowered when the expansion and contraction driving part is extended, the rear side of the frame part and the back plate part are raised while the front side of the frame part maintains a lowered state.

In the wheelchair including the standing function according to the present invention, the user can easily operate the telescopic driving unit through the pressing operation of the operating unit, and the seat part can be moved up and down by the telescopic operation of the telescopic driving unit, so it is convenient according to the user's living environment This has the advantage of increasing it.

In addition, the wheelchair including the standing function according to the present invention has the advantage of requiring less assistance from an assistant than the conventional wheelchair.

1 is a perspective view of a wheelchair including a standing function according to the present invention.
FIG. 2 is a side view of FIG. 1 ;
3 is a side view illustrating a state in which the front side of the frame part is lowered in FIG. 1 and the rear side and the back plate part of the frame part are raised so that the user can stand.
FIG. 4 is a side view showing a state in which the center of gravity is lowered as the front side of the frame part is lowered in FIG. 1 .

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, it should be noted that in adding reference numerals to the components of each drawing, the same components are given the same reference numerals as much as possible even though they are indicated on different drawings. In addition, if it is determined that the gist of the present invention may be obscured, detailed description thereof will be omitted. In addition, although embodiments of the present invention will be described below, the technical spirit of the present invention is not limited thereto or may be practiced by those skilled in the art, of course.

1 is a perspective view of a wheelchair including a standing function according to the present invention, FIG. 2 is a side view of FIG. 1, and FIG. 3 is the front side of the frame part is lowered in FIG. It is a side view showing a possible state, and FIG. 4 is a side view showing a state in which the center of gravity is lowered as the front side of the frame part is lowered in FIG. 1 .

Hereinafter, a wheelchair 1 including a standing function according to a preferred embodiment of the present invention will be described with reference to FIGS. 1 to 4 .

1 and 2, the wheelchair 1 including the standing function according to the present invention can be used not only as a means of transportation by the elderly, the handicapped, and patients with limited mobility, but also because it can use the standing function according to the living environment. Convenience is increased, and it may be configured to include the body part 100 , the seat part 200 , the expansion and contraction driving part 300 , the back plate part 400 , the wheel part 500 , and the foot support part 600 .

Specifically, the body portion 100 is for combining and supporting the components of the wheelchair 1, and includes a front guide hole 110 inclined downward toward the front direction and a rear guide hole 120 formed horizontally. can be configured.

The front guide hole 110 and the rear guide hole 120 may be provided in pairs on the front and rear sides of the body 100, respectively, and the front and rear projections 211a and rear projections of the seat 200 to be described later. 211b) is inserted, and the movement of the front protrusion 211a and the rear protrusion 211b may be guided.

As such, a pair of left and right front protrusions 211a are inserted into the front guide hole 110 of the body 100, and a pair of left and right rear protrusions 211b are provided in the rear guide hole 120 of the body 100. When the telescoping driving unit 300 to be described later extends in the inserted state, the seat unit 200 may move up and down. The vertical movement of the seat 200 will be described later in detail with reference to FIGS. 2 to 4 .

Meanwhile, the seat unit 200 may include a frame unit 210 connected to the body unit 100 and a seat plate 220 fixed to the frame unit 210 on which the user can sit.

Referring to FIG. 3 , the frame unit 210 may include a first frame 211 , a second frame 212 , a pair of third frames 213 , and a fourth frame 214 .

The first frame 211 has a front guide hole 110 and a front protrusion 211a and a rear protrusion 211b inserted into the rear guide hole 120 are formed on side surfaces.

The second frame 212 is provided perpendicular to the front end of the first frame 211 .

The pair of third frames 213 are hinge-coupled to the upper and lower portions of the pair of third frames 213 at a predetermined distance at the front end thereof, and the seat plate 220 is fixed to one side.

In the fourth frame 214, rear ends of the pair of third frames 213 are hinge-coupled to upper and lower portions at regular intervals.

One end of the telescopic driving unit 300 may be mounted on the rear side of the body portion 100 , and the other end may be mounted on one side of the pair of third frames 213 .

According to the extension or contraction of the expansion and contraction driving unit 300 , the second frame 212 , the pair of third frames 213 , and the fourth frame 214 of the seat unit 200 vertically move up and down while forming a parallelogram. can move

The stretch driving unit 300 may be controlled by a controller (not shown) to be described below. The expansion and contraction drive unit 300 may be implemented by directly connecting various actuators such as a motor and a cylinder, or may be implemented using a power transmission member such as a ball screw, a pulley, a belt, a cam, etc. if necessary. Since a method for implementing a desired driving mechanism using various actuators is well known, a detailed description thereof will be omitted.

The back plate 400 may be fixed to the rear side of the frame 210 and configured to support the user's back. The back plate 400 may be fixed to the extension 214a extending from the upper end of the fourth frame 214 of the seat 200 . In this way, the back plate 400 is fixed to the extension 214a to maintain the inclined state at a predetermined angle regardless of the vertical movement of the seat 200 .

The wheel part 500 may be rotatably mounted on the body part 100 to be able to move the entire wheelchair 1 including the body part 100 when rotating. The wheel part 500 may be configured to include a front wheel 500a and a rear wheel 500b rotatably mounted on the front and rear sides of the body part 100 .

The foot support unit 600 includes a swash plate 610 having one end hinged to the front side of the frame unit 210, and a footrest 620 extending upward from the swash plate 610 to support the user's foot. have.

Here, the swash plate 610 of the foot support 600 may be configured to include rail holes 611 formed by a predetermined length along the longitudinal direction on both sides.

In this case, the body part 100 may further include an insertion shaft 130 penetrating the rail holes 611 formed on both sides of the swash plate 610 .

That is, since the insertion shaft 130 passes through the rail holes 611 on both sides of the swash plate 610 , and one end of the swash plate 610 is hinged to the front side of the frame part 210 , the expansion and contraction driving unit 300 ), as the front side of the frame unit 210 elevates and elevates during extension or contraction, the swash plate 610 also elevates, and at this time, the insertion shaft 130 slides along the rail hole 611 .

In this way, the insertion shaft 130 of the body part 100 is provided to slide along the rail hole 611, so that when the front side of the frame part 210 descends, the swash plate 610 of the foot support part 600 is You can descend only to a certain height without touching the floor while maintaining the inclination angle. That is, even when changing to a standing state, it is possible to stably move using the wheel part 500 .

Meanwhile, although not shown, the armrest (not shown) may be fixed to the back plate 400 to support the user's arm.

The manipulation unit (not shown) may be mounted on the armrest and configured to receive a control command for operating the telescopic driving unit 300 from a user. Such a manipulation unit may be configured to include a key button or a touch screen for receiving a control command input from the user, but is not limited thereto and may be implemented in various forms.

Also, although not shown, a control unit (not shown) may be connected to the manipulation unit and configured to control extension or contraction of the expansion and contraction driving unit 300 based on a control command input from a user.

Meanwhile, the manipulation unit and the control unit may be connected to the above-described wheel unit 500 to control the rotation of the wheel unit 500 .

Since the operation unit and the control unit are provided as described above, there is an advantage in that the up and down movement of the seat unit 200 is convenient according to the living environment of the user, thereby increasing convenience.

Hereinafter, the operation of the wheelchair 1 including the standing function according to the preferred embodiment of the present invention configured as described above will be described with reference to FIGS. 2 to 4 .

2 and 4 , when the user inputs a control command for extending the stretch driving unit 300 using the manipulation unit, as the stretch driving unit 300 extends, the front side of the first frame 211 and The rear protrusions 211a and 211b move in the front direction along the front and rear guide holes 120 of the body part 100, and at this time, the front guide hole 110 is inclined downward because the front of the frame part 210 is formed. The side descends along the front guide hole (110).

That is, as shown in FIG. 4 , the front side of the frame unit 210 moves so that the front protrusion 211a descends to the front end of the front guide hole 110 , and accordingly, the rear side of the frame unit 210 moves upward. It may be in a raised state.

In addition, since the insertion shaft 130 of the body part 100 is inserted through the rail holes 611 on both sides formed in the swash plate 610 of the foot support part 600, the front side of the frame part 210 is lowered. As the swash plate 610 of the foot support unit 600 descends together, the insertion shaft 130 slides from the lower part of the rail hole 611 to the upper part.

As described above, as the front side of the frame unit 210 and the foot support unit 600 descend, the user can easily pick up an object on the floor, and the center of gravity is lowered, thereby improving safety.

In the state as described above, when the user continues to extend the telescopic driving unit 300 using the manipulation unit, the front side of the frame unit 210 remains in the lowered state as shown in FIG. 3 , and the rear side of the frame unit 210 is The side may be raised to a higher position by the expansion and contraction driving unit 300 .

That is, when the rear side of the frame part 210 rises to a higher position, the angle between the ground and the seat plate 220 increases, so that the user can stand with his feet on the foot plate 620 .

In addition, since the back plate 400 is fixed to the extension 214a extending from the upper end of the fourth frame 214 of the frame part 210, the back side of the frame part 210 and the back side of the frame part 210 while maintaining the inclined state at a certain angle. can rise together. Accordingly, the user can maintain a stable standing state with the back supported by the back plate 400 .

As the rear side and the back panel 400 of the frame unit 210 rise as described above, the user not only enjoys viewing at art galleries and exhibitions easily, but also when taking out items located in a cabinet or shelf, or when using an ATM machine. Convenience can be increased by being usable.

In addition, in the wheelchair 1 including the standing function according to the present invention, the front side of the frame part 210 is lowered by continuously extending the expansion and contraction driving unit 300 by one operation, so that the center of gravity is lowered and the frame part 210. There is an advantage that the rear side and the back plate 400 are raised so that it can be easily changed to a state in which the user can stand.

As mentioned above, although preferred embodiments of the present invention have been described in detail, the technical scope of the present invention is not limited to the above-described embodiments and should be interpreted according to the claims. At this time, those skilled in the art should consider that many modifications and variations are possible without departing from the scope of the present invention.

1: wheelchair with standing function 100: body
110: front guide hole 120: rear guide hole
130: insertion shaft 200: seat portion
210: frame portion 211: first frame
211a: front protrusion 211b: rear protrusion
212: second frame 213: third frame
214: fourth frame 214a: extension
220: seat plate 300: stretch drive unit
400: back plate 500: wheel part
600: foot support 610: inclined plate
611: rail hole 620: scaffold

Claims (7)

body part;
a seat portion including a frame portion connected to the body portion and a seat plate fixed to the frame portion;
a telescoping driving unit having one end mounted on the rear side of the body, the other end mounted on the frame, and moving the seat up and down as it expands or contracts;
a back plate part fixed to the rear side of the frame part to support the user's back;
a wheel part which is rotatably mounted on the body part and moves the body part when rotating; and
One end is configured to include a sloping plate hinged to the front side of the frame portion, and a foot support portion provided with a footrest extending upward from the swash plate to support the user's feet,
The body part,
A front guide hole formed to be inclined downward toward the front direction and a rear guide hole formed horizontally are formed on the side surface,
The frame part,
a first frame in which a front protrusion and a rear protrusion inserted into the front guide hole and the rear guide hole are formed on side surfaces;
a second frame provided perpendicular to the front end of the first frame;
a pair of third frames having a front end hinge-coupled to the upper and lower portions of the second frame at regular intervals and having the seat plate fixed to one side; and
A wheelchair including a standing function, characterized in that the rear end of the pair of third frames includes a fourth frame hinged at a predetermined distance from the upper and lower parts.
delete According to claim 1,
The stretch drive unit,
One end is mounted on the rear side of the body portion, the other end is mounted on one side of the pair of third frames,
As the expansion and contraction drive unit expands or contracts, the second frame, the pair of third frames and the fourth frame move up and down while forming a parallelogram.
4. The method of claim 3,
The back plate is fixed to the extension extending from the upper end of the fourth frame to maintain the inclined state at a certain angle.
According to claim 1,
The swash plate includes rail holes formed by a predetermined length along the longitudinal direction on both sides,
The body part,
Further comprising an insertion shaft penetrating the rail holes formed on both sides of the swash plate,
When the expansion and contraction drive unit is extended or contracted, the insertion shaft is a wheelchair including a standing function, characterized in that the sliding movement along the rail hole.
According to claim 1,
an armrest fixed to the back plate to support the user's arm;
a manipulation unit mounted on the armrest and receiving a control command to operate the telescoping drive unit from a user; and
A wheelchair including a standing function, which is connected to the manipulation unit and comprises a control unit for controlling the extension or contraction of the telescopic drive unit based on a control command input from a user.
According to claim 1,
A wheelchair including a standing function, characterized in that after the front side of the frame part is lowered when the telescoping driving part is extended, the rear side of the frame part and the back plate part rise while the front side of the frame part maintains the lowered state.

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