KR102472056B1 - Lifting chair for people with reduced mobility - Google Patents

Abstract

The present invention relates to a lifting chair for people who have mobility difficulties, and more particularly, to a new concept of technology which allows people who have mobility difficulties to be stood up, seated in the lifting chair, or laid down on the floor again by a caregiver alone without effort. The lifting chair disclosed in the prior art is only used for the purpose of standing up people who can sit on a sitting surface by raising their waist on their own and causes a problem in that it is impossible to raise severely ill patients who are lying on the floor due to an accident or unable to sit up on their own due to very poor movement and lying down for a long time. As a way to eliminate the problems, the present invention seeks technology which reversely rotates a rotating leg according to the operation of a lifting motor to narrow the angle with a fixed leg in a state in which people who have mobility difficulties are laid on the backrest after a backrest, the rotating leg, and the fixed leg are spread out in a straight line and placed on the floor so as to lift the seat surface and the backrest to automatically raise those lying down and seat the people in the chair.

Description

Lifting chair for people with reduced mobility}

The present invention relates to a technology of a new concept in which a person with reduced mobility can be lifted up without effort by a guardian alone and seated in a lifting chair or laid down on the floor again.

As society enters an aging society, the need for product development and evaluation for the elderly is emerging as important, and the demand for products supporting the safe daily life of the elderly is increasing.

In particular, as the population of the elderly living alone increases, the demand for assistive devices for life support that can support the elderly to live independently in daily life is greatly increasing.

On the other hand, it has been investigated that safety accidents of the elderly occur more in the house, such as at the entrance and in the bathroom, than outside. In addition, the standing up motion performed by the elderly in a state of sitting on the floor not only acts as a great burden, but also occurs in a standing posture. It is shown that the left and right center of gravity shift is large, and falls occur frequently.

According to the analysis results of safety accidents of the elderly, more than half of the types of safety accidents appear to be falls, and these situations are the same for the disabled or patients who have difficulty standing. Accordingly, a lifting chair capable of raising the elderly, the disabled, or patients who have difficulty standing without effort has been developed.

As a prior art related to such a lifting chair, 「Patent Registration No. 1498800, name/standing assist chair」is disclosed.

The prior art uses a simple cylinder structure to assist a person who has difficulty standing, so that it can be moved up and down in various combinations as needed, and the height and inclination of the seat surface of the chair can be freely adjusted at the same time, In addition, even in the case of a person sitting on the floor, standing assistance is possible.

The prior art is only used for the purpose of standing up a person who can sit on a sitting surface by raising his or her back, but cannot stand up a severely ill patient lying on the floor due to a safety accident or lying for a long time without being able to sit on his or her own due to very inconvenient movement problems arise

In addition, in the case of severely ill patients, it is desirable to periodically sit in a ventilable chair even to prevent pressure sores, protect the back, and take a break, but it is impossible to sit in a ventilated chair or to lay down from the chair again.

As a means for solving the above problems, the present invention is a backrest, a rotating leg, and a fixed leg are laid out in a straight line and placed on the floor, and then the rotating leg is rotated in reverse according to the operation of the lifting motor in a state where a person with reduced mobility lies on the backrest To narrow the angle with the fixed leg, the seat and the backrest are lifted to automatically raise a person lying down to sit on a chair.

In addition, the present invention is to immediately and conveniently assemble the components of the lifting chair, such as the seat plate, rotating leg, fixed leg, backrest frame and backrest, and use it for the purpose of the lifting chair, and when the lifting chair is not used, various components are dismantled. Investigate a technology that can be stored by reducing the volume by doing so.

In addition, the present invention repeats a swing motion to both sides according to the operation of the backrest swing cylinder of the backrest coupled to be swingable to both sides of the swing support fitted and assembled to the pair of backrest frames, while turning the back of the patient leaning on the backrest. Develop techniques to prevent

According to the present invention, by automatically unfolding the lifting chair in a straight line on the floor or selectively standing up according to the operation of the lifting motor, the person with difficulty in movement lying on the lifting chair spread in a straight line on the floor is lifted up without effort by the guardian alone. It not only protects the lower back and provides rest, but also provides the effect of laying the lifting chair down to the floor while unfolding the lifting chair in a straight line while sitting.

In addition, the lifting chair of the present invention is composed of a plurality of components that can be assembled or disassembled, so that these components can be easily assembled and used for lifting a person with reduced mobility, or when the lifting chair is not used, various components can be dismantled. It significantly reduces the volume and provides the effect of improving the convenience of transportation and storage.

In addition, the present invention provides an effect of preventing bedsores of seriously ill patients while turning the back of the patient leaning on the backrest by repeatedly swinging the backrest to both sides according to the operation of the backrest swing cylinder.

1 is a perspective view of a lifting chair to which the present invention is applied
Figure 2 is a front view of a state in which the lifting chair of the present invention is spread on the floor
3 is a cross-sectional plan view of a state in which the lifting chair of the present invention is spread on the floor;
Figure 4 is a front view of a state in which the lifting chair of the present invention is erected
5 is a front view of a state in which the lifting chair of the present invention is erected
Figure 6 is a cross-sectional view along line AA of Figure 5 of the present invention
Figure 7 is an exploded perspective view of the leg holder, rotation gear and separation prevention plate of the present invention
Figure 8 is a side cross-sectional view of the separated state of the leg holder and the rotating leg of the present invention
Figure 9 is a planar cross-sectional view of the assembled state of the fixed leg and seat plate of the present invention
10 is a plan view of the separated state of the fixing leg and the seat of the present invention
11 is a cross-sectional plan view of the assembled state of the backrest frame and seat plate of the present invention
12 is a plan cross-sectional view of the separated state of the backrest frame and seat plate of the present invention
13 is a rear perspective view of the backrest of the present invention
14 is a planar cross-sectional view of the swing state of the swing climbing board of the present invention
15 is a front cross-sectional view of the coupled state of the backrest of the present invention
16 is a plan view of the connection state of a pair of fixed legs and leg supports of the present invention

It will be described with respect to a preferred embodiment for more specifically implementing the solution to the problem to be solved by the present invention.

A schematic view of the overall configuration according to a preferred embodiment of the present invention based on the accompanying drawings, a seat plate 10, a pair of rotation legs 20, a pair of fixed legs 30, a pair of backrest frames 40 ), it can be seen that it is largely divided into the components of the backrest 60.

Hereinafter, the present invention consisting of the above schematic configuration will be described in more detail to facilitate implementation.

First of all, in the seat plate 10 of the present invention, motor fixing plates 11 are integrally attached to both inner and rear surfaces, and a pair of lifting motors 12 for rotating the rotating legs 20 are attached to the motor fixing plates 11, respectively. is fixedly installed.

Here, the seat plate 10 becomes thicker by accommodating the lifting motor 12, and due to this, the inner space is wide, so that the upper surface is pressed in the center of the inside to prevent bending, considering that there is a concern about bending. Earth 13 is built-in.

In addition, as shown in FIG. 12, the seat 10 has a defecation passage 14 formed in the center so that a person with reduced mobility can defecate in the toilet bowl placed on the floor in a seated state even if the hip is slightly moved forward, and the defecation passage ( The front part of 14) provides a special effect of easily gripping and moving or assembling the heavy seat plate 10 as the handle 15 is formed with a thickness thinner than that of the seat plate 10.

The motor shafts 12a of the pair of lifting motors 12 pass through both sides of the seat plate 10 and are exposed to the outside, and the rotating legs 20 are integrally coupled to each of the motor shafts 12a, thereby lifting the lift. According to the operation of the motor 12, the pair of rotation legs 20 can be selectively rotated forward/reverse at the same time, and the lower end of the rotation legs 20 has an anti-friction cap 21 preventing friction with the floor. ) is fitted.

Here, as a specific configuration for transmitting the rotational power of the lifting motor 12 to the rotation leg 20, the pair of lifting motors 12 have a + shape on the motor shaft 12a, as shown in FIGS. 6 to 7 The rotational gear 16 of is integrally coupled, the rotational gear 16 is fitted into the +-shaped gear groove 17a formed on the inner surface of the leg holder 17, and each of the rotational legs in the leg holder 17 Since 20 is coupled and fixed, the rotation leg 20 can be interlocked and rotated according to the operation of the lifting motor 12 .

In addition, a washer-shaped release prevention plate 18 is fitted to the outside of the boss portion 16a of the rotation gear 16, and the release prevention plate 18 penetrates the front end of the leg holder 17 as a fastener to integrally By being attached, the leg holder 17 provides an effect of maintaining solid integrity without being separated from the rotation gear 16 .

At the rear of the seat plate 10, a pair of fixed legs 30 are coupled and installed on both sides of the lower surface, and at the lower end of the fixed leg 30, when the gap with the rotating leg 20 is narrowed or widened, it smoothly along the bottom surface. Wheels 31 are installed to move freely.

At the rear of the seat plate 10, a pair of backrest frames 40 are coupled and installed on both sides of the upper surface, and the supporting protrusion 35 protruding from the upper outer surface of the backrest frame 40 prevents the backrest 60 from sagging downward. It plays a supporting role to keep it in a fixed state.

In addition, both sides of the backrest 60 are fitted into the pair of backrest frames 40, and the lower side is supported and fixed to the supporting jaw 35.

A method of use and an operating state according to the present invention having such a configuration will be described.

First of all, the rotating leg 20 is forwardly rotated according to the operation of the lifting motor 12 to increase the distance from the fixed leg 30, and the backrest 60, the rotating leg 20 and the fixed leg 30 are shown in FIG. 2 After being spread out on the floor to form a straight line, a person with reduced mobility is placed on the backrest (60) and the buttocks are brought into close contact with the upper surface of the seat board (10) while the knees are bent.

Next, in this state, the rotation leg 20 is rotated in reverse according to the operation of the lifting motor 12 as shown in FIGS. 4 to 5 to narrow the angle with the fixed leg 30 while the seat 10 and the backrest ( 60), it is possible to automatically raise a person lying down and seat him in the lifting chair (C).

Therefore, according to the present invention, a person with reduced mobility can be seated on the lifting chair (C) while being raised without effort by the guardian alone, so that the person with reduced mobility can comfortably protect the waist and take a break, and the lifting is performed while the person with reduced mobility is seated. By unfolding the chair (C) in a straight line, it provides a special effect that can be laid down to the floor.

On the other hand, the present invention, unlike the conventional uniform configuration in which the lifting chair (C) is integrally configured, the seat plate 10, the rotating leg 20, the fixed leg 30, the backrest frame 40 and the backrest 60 ) is used for the purpose of a lifting chair (C) that raises and sits a person with reduced mobility as an on-the-spot and easy assembly method, and when the lifting chair (C) is not used, various components can be dismantled and stored in a reduced volume. New technologies are organically incorporated.

As a technical configuration for this purpose, as shown in FIG. 8, the rotation leg 20 has a push lock 22 installed inside the upper side by a spring 23 to penetrate the outer surface to be retracted, and the push lock 22 is the inner surface. It can be embedded inside the rotating leg 20 without being separated to the outside by the locking flange 22a protruding along the circumference. In addition, the push lock 22 is inserted into the lock hole 17c formed in the rotary leg assembly groove 17b when the rotary leg 20 is inserted into the rotary leg assembly groove 17b formed open at the bottom of the leg holder 17. On the other hand, when separating the rotary leg 20, while maintaining the locking, the rotary leg 20 can be separated by pulling the rotary leg 20 while pressing the push lock 22. do.

In addition, as shown in FIGS. 9 to 10 , in the fixing leg 30 , a spring lock 32 is installed on the inside of the upper side to penetrate the outer surface so as to be retracted, and the spring lock 32 is recessed into the lower surface of the seat plate 10 When the fixing leg 30 is inserted into the formed assembly groove 19 and assembled, it is inserted into the lock groove 19a formed on the inner surface of the assembly groove 19 to prevent the fixing leg 30 from being separated while maintaining locking. When separating the fixed leg 30, it can be dismantled while pulling the fixed leg 30.

Here, the pair of fixed legs 30 and the pair of rotating legs 20 are both sides of the leg support 50 as shown in FIG. 16 to maintain stable seating even if the weight is large while maintaining mutual integrity. The connection holder 51 formed in the pair of fixed legs 30 and the pair of rotation legs 20 are connected to surround the outside, thereby significantly improving the structural strength of the lifting chair (C) while maintaining solid integrity. to provide.

In addition, as shown in FIGS. 11 and 12, the backrest frame 40 has a spring lock 42 installed on the lower side of the backrest frame 40 so as to penetrate the outer surface and retract, and the spring lock 42 is recessed into the upper surface of the seat plate 10. When the backrest frame 40 is inserted into the formed assembly groove 19 and assembled, it is inserted into the lock groove 19a formed on the inner surface of the assembly groove 19 to prevent the backrest frame 40 from being separated while maintaining locking. When the backrest frame 40 is separated, the backrest frame 40 can be dismantled while being pulled.

Here, the spring locks 32 and 42 have lock caps 33 and 43 having the same shape as the lock groove 19a fitted to the ends exposed to the outside, thereby providing an effect of maintaining more reliable locking.

On the other hand, the present invention is a novel technology that can prevent bedsores by turning the back of the patient leaning on the backrest 60 while repeating the swing motion to both sides according to the operation of the backrest swing cylinder 63 This is additionally incorporated.

As a technical configuration for this purpose, the backrest 60 is characterized in that it includes a swing support 61, a swing backplate 62, and a backrest swing cylinder 63 as shown in FIGS. 13 to 15.

The swing support 61 is configured in a curved shape, and a pair of frame bosses 61-2 are protrudingly formed on both rear surfaces of a rectangular opening 61-1 formed in the center. (61-2) are each fitted into a pair of backrest frames 40, and a pair of swing guide grooves 61-3 are formed on the upper and lower front surfaces, respectively.

In addition, the swing back plate 62 is configured in a curved shape so as to easily turn the back of a person with reduced mobility during swing, and a pair of guide rails 62-1 respectively formed on the upper and lower rear surfaces of the swing guide groove 61 -3), it is coupled to be able to swing to both sides, and since a plurality of ventilation holes 62-2 are formed at equal intervals up and down in the swing back plate 62, smooth ventilation can be maintained even when the backs are facing each other.

In addition, the backboard swing cylinder 63 penetrates through the pivot pin 63-1 to the frame boss 61-2 on one side of the swing support 61 and is connected to and freely rotatably horizontally integrally installed, and the backboard swing cylinder ( The piston rod 63-2 of 63) penetrates the swing lever 62-3 attached to the rear surface of the swing back plate 62 and is integrally coupled, so that the piston rod 63-2 expands and contracts to swing the back plate 62 ) can be repeated to both sides for a swing movement.

Therefore, according to the operation of the back plate swing cylinder 63, the swing back plate 62 swings repeatedly to both sides as shown in FIG. Of course, it is possible to provide the effect of flexibility exercise.

C: lifting chair 10: seat
11: motor fixing plate 12: lifting motor
14: defecation passage 15: handle
16: rotation gear 17: leg holder
17a: gear groove 17b: rotation leg assembly groove
17c: lock hole 18: departure prevention plate
19: assembly groove 19a: lock groove
20: rotation leg 21: anti-friction cap
22: push lock 22a: catch flange
23: spring 30: fixed leg
31: wheel 32, 42: spring lock
33, 43: lock cap 35: supporting jaw
40: back frame 50: leg support
51: connection holder 60: backrest
61: swing support 61-1: opening
61-2: frame boss 61-3: swing guide groove
62: swing climbing 62-1: guide rail
62-2: vent 62-3: swing lever
63: back swing cylinder 63-2: piston rod

Claims (7)

a seat plate (10) with a pair of lifting motors (12) installed on both inner rear surfaces;
a pair of rotation legs 20 integrally coupled to the motor shaft 12a of the lifting motor 12 and selectively rotating forward/reversely according to the operation of the lifting motor 12;
a pair of fixing legs 30 coupled to both sides of the rear lower surface of the seat plate 10;
a pair of backrest frames 40 coupled to both sides of the rear upper surface of the seat plate 10 and having supporting protrusions 35 protruding from the outer surface of the upper side;
On the other hand, both sides are fitted to the pair of backrest frames 40 and the backrest 60 is supported and fixed to the support jaw 35;
In the pair of lifting motors 12, the rotary gear 16 integrally coupled to the motor shaft 12a is fitted into the gear groove 17a formed on the inner surface of the leg holder 17, and the leg holder 17 A lifting chair for a person with reduced mobility, characterized in that the rotating legs 20 are coupled and fixed to each of the rotating legs 20 are interlocked and rotated according to the operation of the lifting motor 12.
According to claim 1,
In accordance with the operation of the lifting motor 12, the rotating leg 20 is rotated forward to spread the backrest 60, the rotating leg 20 and the fixed leg 30 in a straight line and place them on the floor, and then place a person with reduced mobility on the backrest ( 60), the rotating leg 20 is rotated in reverse to narrow the angle with the fixed leg 30 in the state of lying against the seat plate 10 and the backrest 60. Lifting chair while automatically raising the lying person (C) A lifting chair for a person with reduced mobility, characterized in that seated.
delete a seat plate (10) with a pair of lifting motors (12) installed on both inner rear surfaces;
a pair of rotation legs 20 integrally coupled to the motor shaft 12a of the lifting motor 12 and selectively rotating forward/reversely according to the operation of the lifting motor 12;
a pair of fixing legs 30 coupled to both sides of the rear lower surface of the seat plate 10;
a pair of backrest frames 40 coupled to both sides of the rear upper surface of the seat plate 10 and having supporting protrusions 35 protruding from the outer surface of the upper side;
On the other hand, both sides are fitted to the pair of backrest frames 40 and the backrest 60 is supported and fixed to the support jaw 35;
In the rotation leg 20, a push lock 22 is installed on the inside of the upper side to penetrate the outer surface by a spring 23 to be retracted, and the push lock 22 is installed in the rotation leg assembly groove formed in the leg holder 17. When inserting and assembling the rotary leg 20 into (17b), while maintaining locking while being inserted into the lock hole 17c formed in the rotary leg assembly groove 17b, while pressing the push lock 22, the rotary leg 20 A lifting chair for people with reduced mobility, characterized in that it can be dismantled by pulling.
a seat plate (10) with a pair of lifting motors (12) installed on both inner rear surfaces;
a pair of rotation legs 20 integrally coupled to the motor shaft 12a of the lifting motor 12 and selectively rotating forward/reversely according to the operation of the lifting motor 12;
a pair of fixing legs 30 coupled to both sides of the rear lower surface of the seat plate 10;
a pair of backrest frames 40 coupled to both sides of the rear upper surface of the seat plate 10 and having supporting protrusions 35 protruding from the outer surface of the upper side;
On the other hand, both sides are fitted to the pair of backrest frames 40 and the backrest 60 is supported and fixed to the support jaw 35;
The fixing leg 30 is installed so that a spring lock 32 penetrates the outer surface of the upper inside and retracts, and the spring lock 32 is installed in the assembly groove 19 recessed on the lower surface of the seat plate 10. When inserting and assembling (30), it is inserted into the lock groove (19a) formed on the inner surface of the assembly groove (19) while maintaining locking, while pulling the fixing leg (30) for a person with reduced mobility, characterized in that it can be dismantled. lifting chair for
a seat plate (10) with a pair of lifting motors (12) installed on both inner rear surfaces;
a pair of rotation legs 20 integrally coupled to the motor shaft 12a of the lifting motor 12 and selectively rotating forward/reversely according to the operation of the lifting motor 12;
a pair of fixing legs 30 coupled to both sides of the rear lower surface of the seat plate 10;
a pair of backrest frames 40 coupled to both sides of the rear upper surface of the seat plate 10 and having supporting protrusions 35 protruding from the outer surface of the upper side;
On the other hand, both sides are fitted to the pair of backrest frames 40 and the backrest 60 is supported and fixed to the support jaw 35;
In the backrest frame 40, a spring lock 42 is installed on the lower side of the backrest frame 40 so as to penetrate the outer surface so as to be retracted. When the frame 40 is fitted and assembled, it is inserted into the lock groove 19a formed on the inner surface of the backrest assembly groove 19 to maintain locking, while pulling the backrest frame 40 to disassemble it. A lifting chair for people.
a seat plate (10) with a pair of lifting motors (12) installed on both inner rear surfaces;
a pair of rotation legs 20 integrally coupled to the motor shaft 12a of the lifting motor 12 and selectively rotating forward/reversely according to the operation of the lifting motor 12;
a pair of fixing legs 30 coupled to both sides of the rear lower surface of the seat plate 10;
a pair of backrest frames 40 coupled to both sides of the rear upper surface of the seat plate 10 and having supporting protrusions 35 protruding from the outer surface of the upper side;
On the other hand, both sides are fitted to the pair of backrest frames 40 and the backrest 60 is supported and fixed to the support jaw 35;
The backrest 60,
A pair of frame bosses 61-2 formed on both rear surfaces of the opening 61-1 formed in the center are fitted into a pair of backrest frames 40, and swing guide grooves 61-3 are formed on the upper and lower front surfaces, respectively. ) And the swing support 61 is formed;
a swing back plate 62 on which a pair of guide rails 62-1 protrudes and are swingably coupled to both sides along the swing guide groove 61-3;
Piston rod 63-2 integrally and rotatably connected to one side frame boss 61-2 of the swing support 61 and coupled with the swing lever 62-3 attached to the rear surface of the swing back plate 62 ) A lifting chair for a person with reduced mobility, characterized in that it comprises a backboard swing cylinder 63 that repeatedly swings the swing backboard 62 to both sides according to the expansion and contraction of the backboard.

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