KR20200068846A - Electric wheelchair with multiple mode type changes - Google Patents

Abstract

According to the present invention, an electric wheelchair capable of changing multiple posture modes comprises: a bed unit including a center support part on which the buttocks of a user are placed, a backrest part to tilt vertically from one side of the center support part and support the user, and a leg support part to tilt from the other side of the center support part and support the legs of the user; a base provided with a plurality of moving wheels and arranged on a lower portion of the bed unit; a frame unit to support the bed unit at a prescribed height between the base and the bed unit, wherein at least a portion thereof can tilt with the base; a defecation unit which has an accommodation space therein and selectively ascends and descends below the center support part to approach the buttocks of the user to take care of defecation; and a driving unit arranged on at least one of the base and the frame unit to independently adjust a tilting angle of the backrest part, the leg support part, or the frame unit. The electric wheelchair is adjusted to one among a wheelchair mode in which the backrest part and the leg support part are vertically arranged, a bed mode in which the backrest part and the leg support part are horizontally arranged, and a comfortable mode in which the frame unit is tilted at a prescribed angle from the base by an operation of the user.

Description

Electric wheelchair with multiple mode type changes

The present invention relates to an electric wheel chair, which relates to an electric wheel chair capable of changing multiple posture modes that can be used in various modes according to convenience by changing a posture while the user is in a wheelchair.

Elderly people, such as the elderly, severely cared for, and the disabled, who are unable to take a bath by themselves, take a bath with the help of a nurse. In recent years, due to the increase in the elderly population, the number of nursing caregivers who are lying on the bed or are unable to move by themselves is increasing, so the work of the caregivers is increasing, and accordingly, various devices to improve the convenience of the nursing caregivers and the like This is being introduced

Among these devices, a wheelchair is a mobility aid device to help a disabled person, a patient, or an elderly person with limited mobility to move comfortably.

Such a wheelchair is composed of a seat, a backrest, and wheels mounted on both sides of the seat, and a manual wheelchair is often used in which the passenger rotates the wheel by hand or the assistant moves by holding the handle behind the wheel.

Recently, many electric wheel chairs that do not require manual wheel movement have been developed, and various products have been released and sold.

Electric wheelchairs generally use wheels to drive wheels. Wheelchairs in the form of movement have the advantage of convenient movement of the handicapped, the disabled, or the elderly.

However, in the case of a device for the purpose of simply moving, it is easy for a user with inconvenient movement to move, but there is a problem in that an additional posture change or use of a toilet is inconvenient.

In particular, in the case of the severely disabled or the elderly, it is difficult to adjust the posture on their own, in addition to boarding and disembarking in a wheelchair, and there is an inconvenience in that a caregiver must always wait around to handle the toilet.

Of course, although the inconvenience of the user's movement can be resolved to some extent through the electric wheelchair developed in the related art, there is a need to develop a technology capable of solving problems such as handling a bowel movement or changing a stable posture.

The present invention is an invention devised to solve the problems of the prior art described above, and it is possible for a user to change a posture by applying various modes while riding in a wheelchair and to change a plurality of posture modes to secure stability. In providing an electric wheelchair.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, an electric wheel chair capable of changing a plurality of posture modes of the present invention includes a central support portion on which a user's buttocks are seated, a backrest portion tilted upward and downward from one side of the central support portion, and the central support portion A bed unit that is tilted at the other side of the bed and includes a leg rest supporting a user's leg, a plurality of moving wheels are provided, and a base provided at the bottom of the bed unit, and the bed unit between the base and the bed unit has a certain height. Frame unit configured to support at least a portion of the base and tiltable, having a receiving space therein, and selectively descending from the lower portion of the central support unit to care for bowel movement near the buttocks of the user, and the base or It is provided on at least one of the frame unit and includes a drive unit that independently adjusts the tilt angle of the backrest portion, the legrest portion or the frame unit, and the backrest portion and the legrest portion are operated by a user. The wheelchair mode is arranged up and down, the bed mode in which the backrest and the legrest are horizontally arranged, and the frame unit is adjusted to any one of a comfort mode in a tilted state at the base.

In addition, the driving unit is a first driving unit for adjusting the tilting angle of the frame unit on the base in the vertical direction, the second driving unit provided on the frame unit to adjust the angle of the backrest and the leg support to adjust the angle It may include a third driving unit.

In addition, at least one of the first driving unit to the third driving unit may be characterized in that it is composed of an actuator and the length thereof is stretched.

In addition, the comfort mode may be characterized in that the frame unit is tilted upward in a state in which the backrest part is tilted upward and a certain angle is tilted downward.

In addition, the base or the frame unit is provided on the frame unit to detect the center of gravity for the load transmitted from the upper portion, and when changing to the comfort mode further includes a rollover preventing unit to move the position to maintain the center of gravity and prevent rollover Can be.

In addition, the defecation unit may include a receiving portion accommodating the defecation discharged close to the user's buttocks and a cleaning portion for cleaning the buttocks from the side of the receiving portion.

In addition, the defecation unit may be configured to be detachable inside the frame unit.

An electric wheel chair capable of changing multiple posture modes of the present invention for solving the above problems has the following effects.

First, a plurality of members are configured to be independently tiltable, so that a user who boards can adjust their posture according to the mode, and when changing to the bed mode, the user can use the bed without getting off.

Second, in the comfort mode, the frame unit itself is tilted to adjust the inclination of the central support, thereby distributing the load applied to the user and enabling a comfortable posture.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a view schematically showing the configuration of an electric wheel chair according to the present invention;
Figure 2 is a view showing the internal configuration of the electric wheel chair of Figure 1;
3 is a view showing a state in which the bed unit is arranged in a wheelchair mode in the electric wheelchair of FIG. 1;
4 is a view showing a state in which the bed unit is arranged in the bed mode in the electric wheelchair of FIG. 1;
5 is a view showing a state in which the bed unit operates in a comfortable mode in the electric wheelchair of FIG. 1; And
6 is a view showing a state in which the defecation unit moves up and down in the electric wheelchair of FIG. 1;

Hereinafter, preferred embodiments of the present invention, in which the object of the present invention can be specifically realized, will be described with reference to the accompanying drawings. In describing the present embodiment, the same name and the same code are used for the same configuration, and additional description will be omitted.

Hereinafter, the configuration of the prefabricated chair according to the present invention will be schematically described with reference to the accompanying drawings.

The electric wheelchair according to the present invention allows a user to take a variety of postures by changing a plurality of modes while sitting, and in particular, it is possible to maintain a more comfortable posture when implementing a comfort mode due to tilting of the frame unit itself.

The electric wheelchair according to the present invention will be described with reference to the drawings shown in FIGS. 1 to 6 as follows.

Specifically, the electric wheel chair 100 is changed to any one of a wheelchair mode, a bed mode and a comfort mode by the operation of the bed unit 110, so that a user can control posture according to convenience, and the bed mode is separately selected from the wheelchair mode. By keeping it, you can use it like a bed.

The electric wheelchair 100 according to the present invention largely includes a bed unit 110, a base 120, a frame unit 130, a bowel movement unit 150, and a driving unit 140.

The bed unit 110 has a configuration in which a user is seated on an upper surface, and a plurality of members are tiltable and continuously coupled to each other. At this time, the bed unit 110 is configured to be tiltable in the vertical direction along the longitudinal direction, it is possible to adjust the posture.

The bed unit 110, the back support portion 114 and the leg support portion 116 on both sides around the central support portion 112, where the user's buttocks are seated, are continuously coupled so as to be tiltable in the vertical direction. It can be adjusted in various forms, such as a wheelchair or a bed, depending on the angle.

In this embodiment, the bed unit 110 is formed of a plurality of members continuously long, and the backrest portion 114 and the legrest portion 116 are continuously formed of at least one member, respectively. The user is seated on the upper surface of the bed unit 110 configured as described above, and tilted around the central support 112.

Looking at the illustrated drawing, the backrest portion 114 is composed of one member, and the legrest portion 116 is composed of two members, respectively, so that the user's back and leg portions can be supported by tilting.

On the other hand, the base 120 is basically in charge of the movement from the bottom of the electric wheelchair 100 and supports the whole so that the bed unit 110 is movable at a certain height.

Specifically, the base 120 is configured to be movable by having a plurality of moving wheels 122 at the bottom, and in this embodiment, four moving wheels 122 are provided, each of which is composed of a square frame. In addition, the bed unit 110 may also move together to perform the function of a wheelchair or a mobile bed by moving the base 120 by driving the moving wheel 122 or by external force acting from the outside.

Here, each of the movable wheels 122 is rotatable on the base 120 independently, and is configured such that the direction of the wheels on the base 120 is adjustable.

Meanwhile, the frame unit 130 supports the bed unit 110 at a predetermined height between the base 120 and the bed unit 110, and is configured to be tiltable with at least a portion of the base 120.

Specifically, the frame unit 130 is formed to be elongated along the vertical direction corresponding to the height of the bed unit 110 and is configured to have a certain level of width by combining a plurality of frames. Here, the frame unit 130 is provided with a separate space therein so that the driving unit 140 described later may be provided, and is configured to be selectively tiltable on the base 120.

At this time, the frame unit 130 is basically disposed along the vertical direction to be configured to support the base 120 and the bed unit 110, and the bed unit 110 as the frame unit 130 is tilted It is configured to be inclined at an angle in this horizontal state. The specific operation form of the frame unit 130 will be described later.

On the other hand, the defecation unit 150 is provided in the lower portion of the bed unit 110 to care for the user's defecation, so that the user can process the defecation while riding in a wheelchair.

Specifically, the defecation unit 150 has a space therein and selectively moves up and down from the center lower portion of the bed unit 110 to approach the user's buttocks, and collects defecation and washes the buttocks.

In the present invention, the defecation unit 150 includes a receiving portion for receiving a user's bowel movement and a cleaning portion (not shown) for cleaning the buttocks from the side of the receiving portion, and the receiving portion is formed in the form of a bucket and the frame unit ( 130) It is configured to move up and down along the vertical direction from the inside.

Specifically, the receiving portion is opened and lowered from the lower portion of the central support portion 112 in the form of a bucket having a space inside the upper opening. At this time, the opened upper portion is disposed toward the central support portion 112 and a separate cover 152 is provided to selectively open. Here, the cover 152 may be integrally formed by interlocking with the central support 112, and at the same time a part of the central support 112 is opened and the cover 152 is opened together toward the user's buttocks. It is constructed so that the interior can be derived.

Here, as shown in the drawing, the receiving part is lifted upward and the cover 152 is opened to accommodate bowel movement discharged from the user's buttocks, and descends in a closed state by the cover 152 to receive bowel movement. do.

In this embodiment, the receiving portion can be configured to be detachable from the central support portion 112, the cover 152, and can be easily detached from the frame unit 130 so that the received bowel movement can be easily processed.

In addition, the cleaning unit is configured to be ejected from the side of the receiving unit toward the buttocks, and is configured in a general bidet shape to clean and dry the user's buttocks.

As described above, the defecation unit 150 is configured to allow the user to defecate and clean the buttocks by moving up and down on the frame unit 130, so that the user can process defecation while riding in the wheelchair. .

Here, the receiving portion is configured to be able to move up and down by a separate lifting and lowering means 154 is selectively moved up and down by the user's operation, the cleaning portion is also configured to move up and down together inside the receiving portion.

On the other hand, the drive unit 140 is configured to control the tilting of the frame unit 130 and the bed unit 110, and is provided on at least one of the base 120 or the frame unit 130, respectively Independently adjust the tilting angle of.

Specifically, the drive unit 140 is composed of a plurality of each to adjust the angle of the frame unit 130, the backrest portion 114 and the legrest portion 116. In the present invention, the frame unit 130 has a first driving part 142, the backrest part 114 has a second driving part 144, and the leg support part 116 has a tilting angle by the third driving part 146. Each of the first driving unit 142 to the third driving unit 146 may be configured in the form of a rotating motor or an actuator.

In the present embodiment, the first driving part 142 to the third driving part 146 are formed to be elongated so that the expansion and contraction of the frame unit 130, the backrest part 114, and the leg support part 116 are respectively adjusted. Adjust the tilting angle. Here, the first driving part 142 to the third driving part 146 are respectively formed in an actuator shape to adjust the lengths of both ends, and accordingly, the tilting angle can be adjusted.

The first driving unit 142 has both ends connected to the base 120 and the frame unit 130, and is configured to be selectively stretchable to adjust the tilting angle of the frame unit 130.

In addition, both ends of the second driving part 144 are connected to the frame unit 130 and the backrest part 114, and the third driving part 146 has both ends of the frame unit 130 and the leg support part ( 116) and newly built.

Accordingly, the tilting angles of the frame unit 130, the backrest portion 114, and the leg support portion 116 are respectively adjusted by the first drive portion 142 to the third drive portion 146.

As described above, the driving unit 140 adjusts the tilting angles of the bed unit 110 and the frame unit 130 by the first driving unit 142 to the third driving unit 146 formed of a plurality of actuator types. do.

As described above, the wheelchair according to the present invention includes the bed unit 110, the base 120, the frame unit 130, the bowel movement unit 150, and the driving unit 140 as described above. By adjusting the tilting angle of the bed unit 110 and the frame unit 130, the user's posture can be adjusted, and the user's bowel movement can be managed through the defecation unit 150.

As described above, the electric wheelchair 100 according to the present invention has the advantage of being able to be changed in various postures according to the user's convenience by tilting a part of the bed unit 110 or the frame unit 130 by user manipulation.

On the other hand, although not shown in the drawing, the electric wheel chair according to the present invention may be further provided with a separate roll-over prevention unit (not shown).

The rollover prevention unit is configured to maintain the center of gravity of the electric wheelchair 100, and is provided on the base 120 or the frame unit 130 to detect the center of gravity for the load transmitted from the upper portion, When changing to the comfort mode, the position is shifted to maintain the center of gravity and prevent overturning.

At this time, the rollover prevention unit, it is possible to change the position along the lateral direction on the base 120 or the frame unit 130, the center of gravity even if the user changes the posture through the center of gravity movement accordingly Deflection can be prevented.

In addition, according to this, the center of gravity is positioned in the downward direction, and at the same time, the center of gravity is prevented from being rapidly tilted by the user, thereby securing stability.

The roll-over prevention unit is generally provided on the base and is configured to move a separate weight in the lateral direction, and accordingly, it is configured to enable adjustment of the center of gravity.

Subsequently, referring to FIGS. 3 to 5, the operation of the electric wheel chair according to the present invention will be described in more detail. As described above, the electric wheel chair 100 according to the present invention includes the backrest portion 114 and the leg support. As the unit 116 and the frame unit 130 are tilted, the wheelchair mode, the bed mode, and the comfort mode are adjusted.

Referring first to FIG. 3, the electric wheel chair 100 is disposed in the wheelchair mode, and as shown, the frame unit 130 maintains the central support 112 in the electric wheel chair 100 in a horizontal state. Is a non-tilted state, the backrest portion 114 is tilted upward, and the legrest portion 116 is tilted downward.

Here, the leg supporting portion 116 is composed of a plurality of members, and is provided with a separate foot supporting portion, and accordingly, is disposed in a general chair shape.

In this way, in the wheelchair mode, the user is seated in the electric wheelchair 100 and can be used as a general electric wheelchair 100.

Meanwhile, referring to FIG. 4, the backrest portion 114 and the legrest portion 116 form a horizontal state with the center of the central support portion 112 in the state where the electric wheel chair 100 is disposed in a bed mode, and the user It is configured to be pressed from the top.

The electric wheelchair 100 is deformed in the form of a general mobile bed, and is moved by a user or another person's manipulation, and the user can move in a pressed state.

In this way, the backrest portion 114 and the legrest portion 116 can be adjusted in various forms by the expansion and contraction of the second driving portion 144 and the third driving portion 146 described above, so that a plurality of users You can select a dog mode and use it in your desired posture.

In addition, the electric wheelchair 100 may be seated at various angles by adjusting the tilting angle of the backrest portion 114 and the legrest portion 116 in the wheelchair mode.

On the other hand, referring to Figure 11, as shown, showing that the electric wheelchair 100 is transformed from a wheelchair mode to a comfortable mode, the frame unit 130 tilts a certain angle from the base 120.

At this time, the length of the first driving unit 142 is extended and adjusted, and the second driving unit 144 and the third driving unit 146 may be separately driven.

When the frame unit 130 is tilted at a certain angle as shown in the drawing, the user can maintain a more comfortable posture in the electric wheelchair 100 that is transformed from the wheelchair mode to the comfortable mode, and the waist or the like is unreasonable. It does not.

In particular, when the electric wheel chair 100 is deformed in the comfort mode, a user may adjust the tilting angle of the frame unit 130 to a desired shape according to the user's convenience.

In the comfort mode, the frame unit 130 itself is tilted to adjust the inclination of the central support 112, thereby distributing the load applied to the user and enabling a comfortable posture.

As described above, the electric wheelchair 100 according to the present invention can be used by changing the wheelchair mode, the bed mode, and the comfort mode by the user's direct manipulation or by manipulation of another person.

As described above, the preferred embodiments according to the present invention have been examined, and the fact that the present invention can be embodied in other specific forms without departing from the spirit or scope of the embodiments described above has ordinary knowledge in the art. It is obvious to them. Therefore, the above-described embodiments are to be regarded as illustrative rather than restrictive, and accordingly, the present invention is not limited to the above description and may be changed within the scope of the appended claims and their equivalents.

100: electric wheelchair
110: bed unit
112: central support
114: backrest
116: leg rest
120: bass
130: frame unit
140: drive unit
150: defecation unit

Claims (7)

A bed unit including a central support portion on which the user's buttocks are seated, a backrest portion tilted in the vertical direction from one side of the central support portion, and a leg support portion tilted on the other side of the central support portion and supporting a user's leg;
A base provided with a plurality of moving wheels and provided under the bed unit;
A frame unit that supports the bed unit at a certain height between the base and the bed unit, and is configured such that at least a portion is tiltable with the base;
A defecation unit having a receiving space therein and selectively descending from the lower portion of the central support portion to care for defecation near the user's buttocks;
A driving unit provided on at least one of the base or the frame unit to independently adjust the tilt angles of the backrest, the legrest, or the frame unit; It includes,
Wheelchair mode in which the backrest part and the legrest part are vertically arranged by a user's manipulation, a bed mode in which the backrest part and the legrest part are horizontally arranged, and a comfort mode in which the frame unit is tilted at a certain angle from the base Electric wheelchair with multiple posture modes that can be adjusted by any one of them. According to claim 1,
The drive unit,
A first driving unit for adjusting the tilting angle of the frame unit in the vertical direction on the base;
A second driving part provided on the frame unit to adjust the angle of the backrest part; And
A third driving unit that adjusts the angle of the leg supporting unit;
Electric wheel chair capable of changing a plurality of posture modes including a. According to claim 2,
At least one of the first driving part to the third driving part is an electric wheel chair capable of changing a plurality of posture modes, characterized in that the length of the actuator is extended and contracted. According to claim 1,
The comfort mode,
In the state in which the backrest part is tilted upwards and the legrest part is tilted downwards, the frame unit is tilted upwards. According to claim 1,
It is provided on the base or the frame unit to detect the center of gravity of the load transmitted from the top, and when changing to the comfort mode, the position is shifted to maintain the center of gravity and further includes an overturn prevention unit to prevent overturning Electric wheelchair that can change posture mode. According to claim 1,
The defecation unit,
An electric wheel chair capable of changing a plurality of posture modes, including a receiving portion accommodating a bowel movement discharged close to a user's buttocks and a washing portion cleaning the buttocks from the side of the receiving portion. According to claim 1,
The defecation unit,
An electric wheel chair capable of changing multiple posture modes configured to be detachable from the frame unit.

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