KR20100112382A - A wheelchair with detachable chair - Google Patents

Abstract

The present invention relates to a wheelchair-dismountable wheelchair for a patient or the elderly who are inconvenient to move, when the patient or the elderly lying on the floor or bed to move to another place to put on a wheelchair, the chair is made of a chair integrally with the wheelchair body There was a problem that the step of the room or bed floor and the height of the chair of the wheelchair was very difficult to move the patient, the present invention separates the chair 200 from the wheelchair body 100 and the chair 200 in the wheelchair body 100 Elevation means 300 is provided with a lifting arm 370 to be lifted and detachable at the same time, the chair is removed from the wheelchair, placed on the floor with the patient, both hands behind the chair and pulled towards the chair The patient can be seated on the chair, with the patient seated on the chair, with the wheelchair behind the chair and the lifting arm That to facilitate the movement by raising, in particular, move, or paralysis paraplegic patients, or can be conveniently used during urination or bowel movements.

Description

A Wheelchair with detachable chair}

The present invention relates to a wheelchair, and in particular, the chair is separated from the wheelchair body so as to easily move a paraplegic or paraplegic patient who cannot sit alone, and the wheelchair body is provided with a lifting arm to be detachable at the same time lifting the bottom of the chair. Remove the chair from the wheelchair, place it on the floor where the patient is sitting, and put both hands on the patient's armpits from the back of the chair and pull it toward the chair to sit on the chair.With the patient sitting on the chair, place the wheelchair behind the chair and put the lifting arm on the chair. The present invention relates to a wheelchair-distributable wheelchair for a patient or an elderly person with a discomfort that makes it easy to move by lifting.

In general, at home where a patient with mobility problems, such as a paralytic or paraplegic, moves two patients from the room to the toilet to go to the toilet or to go out in the sun for the sun, two or more sturdy guardians usually support the wheelchair. It is possible only by burning, and even when the patient is put in a wheelchair or lying down again, it is very careful and requires considerable power.

Usually these patients have been in bed for long periods of time, so young children cannot always be with them, and most of the time they are away from home for school or work, so only spouses, female carers or female caregivers are resident. There is a problem that the operation of helping the behavior of the patient is very dangerous and difficult to follow a lot of difficulties in the movement of the patient.

The present invention has been made to solve the above problems, an object of the present invention is to provide a wheelchair of improved structure that can be easily transported by paralyzed patients or paraplegic patients who can not cover the body at all, even if the guardian or caregiver alone in the wheelchair There is.

In order to achieve the above object, the present invention provides a wheelchair body provided with a main wheel and an auxiliary wheel on a frame; A chair coupled to or separated from the wheelchair body; It provides a chair detachable wheelchair comprising a.

In a preferred embodiment of the present invention, the wheelchair body is further provided with lifting means for lifting the chair.

In a specific embodiment of the present invention, the wheelchair body is provided with main wheels on both rear lower sides of the floor frame, and an auxiliary wheel for changing direction is provided on both front lower sides of the floor frame, and a vertical frame at the rear upper part of the floor frame. This extended frame is provided with lifting means for lifting up and down by a manual or electric system, and lifting arms are attached to both front sides of the lifting means.

In the present invention, the elevating means includes a spiral shaft rotatably installed inside the vertical frame; A female thread screwed to the spiral shaft; Guides for extending the left and right sides of the female screw body to guide the lifting operation of the female screw body while being lifted along the vertical frame; Bevel gear axially coupled to the top or bottom of the spiral shaft; A driving bevel gear geared to the bevel gear at a right angle; And a manual or electric drive unit axially coupled to the drive bevel gear.

In addition, in the present invention, the chair is made of a bottom portion and the back portion, the bottom portion is formed arm fitting groove for fitting the lifting arm, the armrest is attached to both sides of the back portion rotatably.

According to the present invention, since the chair is configured to be detachable from the wheelchair body, the patient is placed on the floor where the patient is separated from the chair, and the guardian or caregiver alone sits behind the chair while holding both hands on the patient's armpits. If the wheelchair is inserted from the back of the chair, the chair becomes united with the wheelchair.In this state, the patient can move in a comfortable position by raising the chair by using the lifting means.If the user wants to lower and lay down again, the reverse of the above operation is performed. Because it has a useful effect that can move the patient safely and easily by yourself.

Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.

1 to 3 illustrate a chair detachable wheelchair according to the present invention, the present invention provides a wheelchair body 100 having a main wheel 120 and an auxiliary wheel 130 on a frame 110, and the wheelchair. It comprises a chair 200 coupled to or separated from the body 100.

In addition, the wheelchair body 100 in the present invention is further provided with a lifting means 300 for elevating the chair 200.

The frame 110 constituting the wheelchair body 100 has a bottom frame 112 which is generally formed in a “H” shape when viewed in plan view, and a vertical frame integrally attached to the rear upper portion of the bottom frame 112. 114), a main wheel 120 having a relatively large diameter is attached to both rear lower sides of the bottom frame 112, and the front lower sides of the bottom frame 112 have a relatively small diameter. Auxiliary wheel 130 is provided, the direction change auxiliary wheel 130 is made of a structure such as a caster (caster) so as to be able to freely change the direction of travel when moving forward or backward of the wheelchair from side to side. .

The frame 110 is preferably made of a tubular body made of stainless steel or high strength aluminum alloy, but the material of the frame 110 is not limited thereto, and the cross-sectional shape of the tubular body forming the frame 110 is also generally round or square. In addition, it is preferable to use the one made in the form that can increase the structural strength and light weight, and may be manufactured to have various cross-sectional forms in part in view of its appearance and function.

In the present invention, since the floor frame 112 is formed in the form of "H" parallel to both the left and right sides as described above, the front of the floor frame 112, without any interference, freely access to the chair 200 or chair Departure from is possible.

On the other hand, the foot frame 140 is attached to the front end of the bottom frame 112 to be rotated inward and outward, the footrest 140 is injection molded into a synthetic resin material is inserted into the bottom frame 112 by rotation When approaching or leaving the chair, the chair is rotated upwards or outwards so that interference with the chair 200 does not occur. In the state where the chair 200 is located inside the floor frame 112, the footrest 140 is placed on the floor frame. Rotate so that it is approximately horizontal to the inside of 112 so that the patient sitting on the chair can step down and sit in a comfortable state.

The vertical frame 114 forming the frame 110 is attached to the rear upper side of the bottom frame 110 by welding or the like, and the vertical frame 114 has two horizontal members arranged in a horizontal state. Two vertical members (114c, 114d) disposed in a vertical state with (114a, 114b) is formed in a generally "□" shape, the bottom of both horizontal members (114a) and the bottom of both vertical members (114c, 114d) of the bottom The frame 112 is welded to form an integrated form.

Handles 115a and 115b are attached to the top of the vertical members 114c and 114d of the vertical frame 114 so that a guardian or the like can move the wheelchair while holding the handles 115a and 115b.

The lower side of the handle (115a, 115b) may be further provided with a brake for suppressing the rotation of the main wheel (120).

In the present invention, the vertical frame 114 is provided with a lifting means 300, the lifting means 300 is a spiral shaft 310 rotatably installed inside the vertical frame 114, and the spiral shaft ( A female screw 320 that is screwed to the 310, and a guide for extending the left and right sides of the female screw 320 to guide the lifting operation of the female screw 320 while being elevated along the vertical frame 114 ( 330, the bevel gear 340 axially coupled to the upper or lower end of the spiral shaft 310, the driving bevel gear 350 geared to the bevel gear 340 at right angles, and the driving bevel gear. It consists of a manual drive unit 360 consisting of a handle axially coupled to (350).

The guide 330 is a rotary roller, the roller-shaped guide 330 is elevated in the state fitted in the guide groove 116 formed on the inner side of the vertical frame 114, the female screw 320 is not rotated stable lifting operation To achieve this, it is preferable that the two guides 330 are respectively provided in the upper and lower left and right sides of the female screw 320 as shown in the drawings.

In the drawing, reference numeral 380 denotes a bellows-shaped cover which is covered on the outside of the spiral shaft 310 to prevent the spiral shaft 310 from being exposed to the outside, thereby lubricating oil such as grease applied to the spiral shaft 310 to contaminate clothing. In addition, the spiral shaft 310 is prevented from being contaminated by external dust or foreign matter.

Reference numeral 390 denotes a bearing for rotatably supporting the upper and lower ends of the spiral shaft 310.

On both sides of the female screw 320 in front of the lifting means 300, there is attached a lifting arm 370 having a substantially "L" shape when viewed from the side, the lifting arm 370 is a support for a forklift It will have the same structure and function.

In addition, the chair 200 in the present invention basically consists of a bottom portion 210 and the back portion 220, the arm portion groove 212 to which the lifting arm 370 is fitted to the bottom portion 210 is rear It is open toward it.

In the present invention, the armrest 230 is rotatably attached to both sides of the back portion 220 of the chair 200 to prevent the patient sitting on the chair from mounting the arm or falling down to the side of the chair.

In addition to the shape illustrated in the drawing, the chair 200 may also drill holes 214 inside the bottom portion 210 to allow the patient to see the toilet in a sitting state.

In addition, in the present invention, the chair 200 is preferably attached to the head restraint and a seat belt for supporting the head of the patient so that the patient or the elderly who can not cover the body to maintain a stable state sitting on the chair. .

Hereinafter, a description will be given of the process of moving the patient using the wheelchair of the present invention.

7 is a diagram illustrating a state in which a patient is moved using a wheelchair of the present invention, when a lying patient is to be moved indoors or outdoors, a guardian or a caregiver first detaches the chair from the wheelchair frame, and the chair is removed. While sitting close to the back of the doctor, embrace the patient from behind the chair, pull it into the chair, and then lower the armrests on both sides of the chair to keep the patient sitting on the chair.

In the above state, the guardian or the caregiver moves the wheelchair body behind the chair on which the patient is sitting, adjusts the lifting means to fit the arm fitting groove formed at the bottom of the chair, and then puts the lifting arm into the arm fitting groove of the chair. Insert it in

When the lifting arm is fully inserted, the guardian or the caregiver may operate the lifting means provided in the wheelchair body to raise the chair so that the patient is at a height that can maintain the most comfortable state.

Thereafter, the footrests provided on both sides of the floor frame of the wheelchair body are opened to place the foot of the patient, and the wheelchair can be moved, and the guardian or the caregiver can move to a desired place while holding and pushing the wheelchair handle.

On the other hand, the chair in the present invention for the purpose of viewing the stool as shown in Figure 8 formed a hole 214 in the bottom portion 210 as the bowel or urination time when the patient under the wheelchair chair in the state sitting on the wheelchair If you put the toilet, you can see the toilet comfortably by yourself.In order to use the existing toilet for the toilet, you can see the toilet so that you can't sit the toilet for the patient. I can eliminate it.

In addition, the chair detachable wheelchair according to the present invention has the advantage that it can be more convenient because the height of the chair can be freely adjusted even when moving the patient lying on the bed or ride in the car.

1 is an exploded perspective view of a wheelchair according to the present invention;

2 is a perspective view of the wheelchair according to the present invention,

3 is a side view of a wheelchair according to the present invention;

Figure 4 is a side view showing a state in which the chair is raised,

5 is a front sectional view of a wheelchair according to the present invention;

6 is a side cross-sectional view of a wheelchair according to the present invention;

7 is a state of moving the patient using the wheelchair of the present invention,

8 is a perspective view of a chair according to another embodiment of the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS

100: wheelchair body 110: frame

112: bottom frame 114: vertical frame

114a, 114b: horizontal member 114c, 114d: vertical member

115a, 115b: Handle 116: Guide groove

120: main wheel 130: auxiliary wheel

140: footrest 200: chair

210: bottom portion 212: arm fitting groove

214: hole 220: back

230: Armrest 300: lifting means

310: spiral axis 320: female thread

330 guide 340 bevel gear

350: driving bevel gear 360: driving unit

370: lifting arm 380: cover

390: Bearing

Claims (9)

A wheelchair body 100 provided with a main wheel 120 and an auxiliary wheel 130 on the frame 110; A chair 200 coupled to or separated from the wheelchair body 100; Chair detachable wheelchair, characterized in that comprises a. The method according to claim 1, The wheelchair body 100 is a chair detachable wheelchair, characterized in that the lifting means 300 for further lifting the chair 200 is further provided. The method according to claim 2, The wheelchair body 100 is provided with main wheels 120 at both rear lower sides of the bottom frame 112, and auxiliary wheels 130 for changing directions are provided at both front lower sides of the floor frame 112. A vertical frame 114 extends on the rear upper portion of the bottom frame 112, and the vertical frame 114 is provided with a lifting means 300 which is lifted by a manual or electric method, and in front of the lifting means 300. Chair detachable wheelchair, characterized in that the lifting arm 370 is attached to both sides. The method according to claim 3, The lifting means 300 has a spiral shaft 310 rotatably installed inside the vertical frame 114, a female screw 320 screwed to the spiral shaft 310, and the female screw 320 Bevel gears coupled to the top or bottom of the guide shaft 330 and the guide shaft 330 to guide the lifting operation of the female screw 320 while being elevated along the vertical frame 114 to the left and right sides of the spiral shaft 310; And a manual or electric drive unit 360 formed of a driving bevel gear 350 geared to the bevel gear 340 at a right angle and a handle axially coupled to the driving bevel gear 350. Chair detachable wheelchair, characterized in that made. The method according to claim 3, The chair 200 is composed of a bottom portion 210 and the back portion 220, the chair portion detachable wheelchair, characterized in that the bottom portion 210, the arm fitting groove 212 is fitted into which the lifting arm 370 is fitted . The method according to claim 5, Armrest 230 is chair detachable wheelchair, characterized in that rotatably attached to both sides of the back portion 220. The method according to claim 4, Chair detachable wheelchair, characterized in that the outer side of the spiral shaft 310 is covered with a bellows-type cover (380). The method according to claim 3, The front of the floor frame 112, the chair separated chair, characterized in that the footrest 140 for the patient sitting in the chair is attached to the inside and outside rotatably. The method according to claim 3, The chair 200 is a chair detachable wheelchair, characterized in that the hole 214 is formed in the bottom portion 210 to view the toilet.

Images