KR101800553B1 - electric power wheelchair for the old and the infirm - Google Patents

Abstract

The present invention relates to an electric chair exclusive for the elderly and handicapped people, allowing a person to easily sit on and stand up, easily relieving oneself, improving stability through reduction of the weight and a low-center design, sensing steps or an obstacle to automatically stop a progress, preventing an impact or overturning, and having a function of notifying an emergency.

Description

{Electric power wheelchair for the old and the infirm}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a motorized chair for elderly persons and persons with disabilities (collectively referred to as " elderly persons " hereinafter), and more particularly to a motorized chair for elderly people which is easy to get on and off.

Further, the present invention improves the stability through the weight reduction and low center of gravity design, and can stop the progress automatically by sensing a step or an obstacle, prevent shock or rollover, For a motorized chair.

Wheel chair is widely used as a means of transportation for the disabled or the elderly. A wheelchair is a chair with a wheel, which is usually used by a patient or a disabled person whose mobility is inconvenient. The movement is made by the user manually turning the wheel by hand, and the wheelchair is folded to make it possible to mount the vehicle.

In recent years, electric wheelchairs (or electric chairs) that are moved by the rotational force of a driving means such as a motor have been developed and used. Such electric wheelchairs have a disadvantage in that they are easy to move but are inconvenient for the elderly to use the toilet.

Various techniques have been developed to overcome these disadvantages, and examples thereof are Patent Documents 1 to 4.

Patent Document 1 relates to a wheelchair that is easy to use. The chair can be selectively moved forward or backward, and the chair can be raised or lowered when the position of the chair is changed. And it is easy to ascend and descend, and a hole for allowing a chair to be used is formed. Normally, the hole is closed, but when the chair is moved forward or rearward, the hole is opened naturally so that the toilet seat So that the user can see the toilet,

Patent Document 2 discloses a toilet seat which moves a seat backward by releasing a seat setting device holding a seat while lifting the buttocks while supporting the body by an armrest and upper limbs at the time of defecation, To sit on the seat of the toilet,

In Patent Document 3, the left and right seats are opened and closed by the rotation of the seat support frames 1 and 2 rotatably pivoted on the lift range bearing,

Patent Document 4 discloses a wheelchair comprising a support base for supporting a chair, a wheelchair body including a fixed wheel at a lower portion of a support pedestal, a wheelchair drive device for driving the wheelchair body, a tilt drive device for tiltably driving the chair, Or a controller for controlling the tilt driving device.

However, although such conventional techniques can facilitate the use of the toilet, there are disadvantages in that it is inconvenient for an independent living or an indoor living of a disabled person or an aged person due to the lack of convenience facilities.

Korean Patent No. 1237362 Japanese Laid-Open Patent Application No. 2007-111155 Japanese Laid-Open Patent Publication No. 2004-321630 Japanese Patent No. 4903413

The present invention has been developed in order to solve the problems of the related art as described above. It is easy to use, lightweight, low center of gravity design improves stability and can automatically stop a step by sensing a step or an obstacle The present invention aims to provide an electric chair capable of preventing an impact or an overturn, as well as informing an emergency situation.

To achieve these objects and other advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, there is provided a chair for a elderly person, comprising: a base for supporting a seat; a seat on a lower end of a backrest; Wherein the base is opened in a " C " shape to form a toilet insertion space, and the seat is opened in a " C " shape to form a toilet hole, and a lower end is hinged to an upper portion of the base; A cylinder hinged at both ends between the rear of the elevating support and the base and tilting the elevating support as it is expanded and contracted by the driving means; A lifting block mounted on an elevating support so as to be able to move up and down by driving of the driving means and hinged to a rear end of the seat at one upper end; A linear actuator hinged to the lower end of the lift block, one end of which is hinged to the bottom surface of the seat to adjust the tilt of the seat; And a support plate provided so as to be openable and closable in a use hole opened in front of the seat.

One of the armrests is provided with a control means for controlling the driving of the driving means. One of the armrests may be provided with a hands-free communication means for remote connection with the communication means and a lighting control means for controlling the interior lighting have.

The receiving plate may be slid forward or rearward, or may be hinged at one end thereof to open up and down.

Further, the electric chair may include a plurality of collision detection sensors and a tilt sensor for detecting rollover, and may further include a power detection sensor for detecting whether or not the power supplied to the driving means is discharged.

In addition, the control means may be provided with an alarm function for arbitrarily informing an emergency situation to an emergency contact when a rollover of the electric power means or a fire in a space in which the electric chair is placed occurs.

As described above, the elderly electric chair for the elderly according to the present invention has an effect that the elderly person can easily get on and off according to the seat elevation and inclination adjustment.

Further, according to the present invention, the seat is provided with a use hole on the floor, a support plate is provided, and if necessary, the support plate is opened so that the user can see the toilet while sitting on the chair.

Further, the present invention is lightweight and easy to move due to the use of a lightweight material, and it is possible to prevent a collision by sensing a step or a wall by a sensor, and also, when an emergency occurs due to unintentional overturning or collision, Can be contacted with the designated emergency contact, it is possible to respond quickly to the emergency situation.

1 is a perspective view of a power seat for a senior citizen according to the present invention;
2 is a plan view of an elderly electric chair according to the present invention;
Fig. 3 is a front view of an elderly electric chair according to the present invention
Fig. 4 is a side view of an elderly electric chair according to the present invention
Fig. 5 is a perspective view of the elderly electric chair according to the present invention,
Figure 6 is a perspective view of another elderly electric chair according to the present invention;

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, like reference numerals are used to denote like elements, and in the description of the present invention, detailed description of related arts will be omitted if it is determined that the gist of the present invention may be blurred.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The electric chair for the elderly according to the present invention is easy to get on and off, easy to use, lightweight and low center of gravity design improves the stability, can automatically stop the progress by detecting stairs or obstacles, It is a feature that not only can be done but also can inform the emergency situation.

As shown in FIGS. 1 to 6, the electric chair for the elderly according to the present invention can be rotated and moved by the driving means of the base 100, such as a conventional electric chair or an electric wheelchair, And a seat 200 at the lower end, and armrests 300 are provided on both sides of the seat.

Further, the base 100 is opened in a " C " -shaped form so that the base 100 can be moved in the form of wrapping the toilet so as to facilitate the use of the toilet, (200) is opened frontward in a " C " shape to form a use hole (200t).

When the electric chair is moved so that the toilet is inserted into the toilet insertion space 100t formed in the base, the toilet seat 200t formed on the seat 200 is aligned with the toilet, In the state, when the toilet is seen, the toilet is introduced into the toilet.

If the user leaves his / her buttocks using the electric chair in the opened state of the toilet seat 200t formed on the seat, it may be uncomfortable for the user to get caught in the bowl. Therefore, the toilet seat is provided with a support plate 50, .

As the support plate 50 slides forward and backward to be opened, it can be opened forward as shown in FIG. 6 in a closed state as shown in FIGS. 1 to 5.

However, since the support plate 50 may be caught by the user's lower limb when it is opened and closed in this manner, it is preferable that the one end portion is hinged to the bottom surface of the seat and is rotated by the driving means to be opened and closed like a retractable door.

As described above, the electric chair constructed as described above is used by the elderly or the handicapped who are inconvenient to move. The chair should be easy to get on and off. To this end, the height and the inclination of the seat should be adjustable. Up and tilt adjustment means.

The lifting and tilting means includes a lifting support 10 hinged to a lower end of the base 100, A cylinder (20) hinged at both ends between the rear of the elevation support and the base and tilting the elevation support as it is expanded and contracted by driving of the driving means; A lifting block (30) installed on the lifting support frame so as to be able to move up and down by driving of the driving means and hinged to the rear end of the sheet at one end of the upper portion; And a linear actuator 40 for adjusting the inclination of the sheet as one end thereof is hinged to the bottom surface of the seat and operated.

The elevating and tilting means configured as described above can lower the height of the seat by extending the cylinder 20 and tilting the elevating support 10 forward and lowering the elevating block 30 down, 40 are operated so that the seat is maintained in a horizontal position, so that the seat can be inclined to prevent the user from falling forward.

Of course, when the front of the seat is tilted down so that the user can get off easily, the linear actuator 40 is operated to lower the end portion of the linear actuator and the seat hinged to each other, The front can be lowered.

As shown in the figure, the lifting support 10 can be constructed by coupling a guide 11 to a support tube 12 hinged to the base 100 by hinging the base 100. The cylinder 20 has one end The guide block 11 is hinged and the guide block 11 is raised and lowered in a predetermined direction, and the guide block and the lift block can be one linear actuator.

In addition, the electric chair according to the present invention is provided with a control means (60) for controlling the driving of the driving means constituting the means for driving the wheels or the elevating and tilting means. The control means (60) As shown in Fig. 6, is installed in any one of the electric chair armrests 300. [

In addition, since the elec- tronic chair of the present invention is used by the elderly, it may be inconvenient for a elderly person who is inconvenient to move or receive a telephone call, so that any one of the electric chair armrests 300 is provided with a hands- You can install and remotely make or receive calls.

In addition, it is preferable that one of the armrests further includes an illumination control means for controlling the interior lighting so that the user can easily control the interior illumination.

In addition, since the electric chair according to the present invention may cause a collision with various structures installed in the room, it is provided with a plurality of collision detection sensors for preventing the collision, and the control means (60) So that the movement of the electric chair can be automatically stopped by controlling the driving of the means.

In addition, since the electric chair can be inclined by the floor obstruction in the room where the electric chair is used and the user may be injured when the electric chair is overturned, the inclination sensor for detecting the rollover is further provided. It is desirable to be able to automatically switch the moving direction of the chair. Various types of tilt sensors may be used, for example, a magnetic sensor may be used.

In addition, each driving means constituting the electric chair uses electricity as a power source, and a battery such as a rechargeable battery is installed as a power supply means in the electric chair, and a power detection sensor for detecting the discharge of the power supply means When the power of the power supply means detected by the power detection sensor is lower than the set value, the control means notifies the power supply of the lack of power and can move to the charging means installed for charging and automatically charge the battery.

Preferably, the control means (60) further comprises an alarm function for arbitrarily informing an emergency situation to an emergency contact when a rollover of the electric power means or a fire in a space in which the electric chair is placed is desired.

The electric chair of the present invention having the above structure is preferably as light as possible and strong in strength. For this purpose, the structures constituting the electric chair use lightweight, high strength body materials, and high strength plastics can be used as materials for the structure.

10: Lifting support
11: guide 12: support tube
20: Cylinder
30: Lift block
40: Linear actuator
50:
60: control means
100: Base
200: sheet
300: Armrests

Claims (10)

In an electric chair in which a wheel 100w can be rotated and moved by a driving means of a base 100 and a seat 200 is provided at the lower end of a backrest and armrests 300 are provided on both sides of the seat,
The base 100 is opened frontward in a " C " shape to form a toilet seat insertion space 100t, and the seat 200 is opened in a " C " shape to form a toilet hole 200t;
A lifting support 10 hinged to the lower end of the base 100;
A cylinder 20 which is hinged at both ends between the rear of the elevation support 10 and the base 100 and tilts the elevation support 10 as it is expanded and contracted by the driving means;
A lifting block 30 mounted on the lifting support 10 so as to be elevated and lowered by driving of the driving means and hinged to the rear end of the seat 200 at one upper end;
A linear actuator (40) hinged to the lower end of the lifting block (30), one end of which is hinged to the bottom surface of the seat (200) to adjust the tilt of the seat;
And a support plate (50) provided to be openable and closable in a use hole (200t) opened in front of the seat (200).
The method according to claim 1,
Wherein one of the armrests (300) is provided with control means (60) for controlling the driving of the driving means.
3. The method according to claim 1 or 2,
Wherein one of the armrests (300) is further provided with hands-free communication means for remote connection with a communication means.
The method of claim 3,
Wherein one of the armrests (300) is further provided with lighting control means for controlling the interior lighting.
5. The method of claim 4,
Wherein the support plate (50) slides forward and rearward, or is open at its one end and is hinged to open up and down.
6. The method of claim 5,
Wherein the motorized chair is provided with a plurality of collision detection sensors.
The method according to claim 6,
Wherein the electric chair is further provided with a tilt sensor for detecting rollover.
8. The method of claim 7,
Wherein the electric chair is further provided with a power detection sensor for detecting whether or not a power source supplied to the driving means is discharged.
3. The method of claim 2,
Wherein the control means (60) is further provided with an alarm function for arbitrarily informing the emergency situation of an emergency situation when a rollover of the electric power means or a fire in a space where the electric chair is placed is arbitrarily informed.
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