KR101506566B1 - Manual wheelchair - Google Patents

Abstract

The present invention relates to a wheelchair and, more specifically, to a manual wheelchair enabling a user such as a patient who has an uncomfortable leg, the disabled, etc. to easily move from a bed to a wheelchair without assistance of a guardian or a caregiver. To this end, disclosed is the wheelchair having wheels freely rotating around a wheel shaft on both sides of a support frame and auxiliary wheels at the front of the wheels, comprising: a seat plate installed in an upper portion of the support frame for a user to be seat; an inguinal support installed in front of the seat plate and supporting an inguinal region; and an abdominal support installed in an upper portion of the inguinal support and supporting an abdominal region of a user.

Description

Manual wheelchair {Manual wheelchair}

The present invention relates to a wheelchair, and more particularly, to a manual wheelchair which can easily and easily be moved by a user without help of a guardian or a caregiver when a user such as a patient with a discomfort or a disabled person wants to move from a bed to a wheelchair will be.

The wheelchair is equipped with a wheel and a steering wheel on both sides of the chair so that the patient, the elderly or the handicapped can move while sitting on the chair. Generally, according to the driving method of the wheel, It is classified as manual type and electric type in which the wheels rotate automatically by the rotational force of the electric motor.

When a user who is inconvenienced in such a wheelchair or a disabled person such as an elderly person or a disabled person falls down from another place at a certain height such as a bed, the height difference between the bed mattress and the wheelchair seat causes the user to move by himself, Inevitably, if you move too much, you may be injured or cause serious physical loss.

In addition, when the user moves with the help and support of the protector or the caregiver, it is very difficult and careful to move the user who is inconvenient in terms of the protector or the caregiver, and in particular, This is a difficult task to bear.

As a result, it has been proposed that the seat and the backrest of the wheelchair can be raised and lowered so that a relatively severe patient can easily move from the floor to the wheelchair, from the bed to the wheelchair, or vice versa.

For example, as shown in Figs. 1 and 2, a wheelchair disclosed in Korean Patent No. 10-06226399 mainly includes a folding link 12 provided between a pair of frames 11, A base plate 31 detachably fixed to the seat base 13 and a guide unit 5 provided on the base plate 31. The guide unit 5 is provided on the upper surface of the base plate 31, And a seat 32 including a seat 32 that can be raised and lowered by the elevating means 7 and a pair of frames 11 that are detachably provided between the pair of frames 11, And means (9).

Such a conventional wheelchair can adjust the height of the seat 32 by adjusting the height of the seat 32 by operating the elevating means 5 so that the user can easily adjust the height of the seat 32 when the user is seated. However, So that the structure is complicated and heavy, and the seat 32 is simply raised and lowered to change its height only, so that the practical convenience is limited.

In addition, since the backrest 321 is fixed to the rear of the seat 32, in order to move the user to a toilet seat, a chair, a bed, or the like sitting on the wheelchair, In order to move from a toilet seat, a chair, a bed, or the like to a wheelchair, the user first moves the hip portion to the seat 32 and moves the seat 32 There is an inconvenience that the direction and the position of the body must be changed.

Korean Registered Patent No. 10-1241663 (Oct. 24, 2012) Korean Registered Patent No. 10-1046877 (July 5, 2011) Korean Utility Model Registration No. 20-0456815 (November 24, 2011) Korean Registered Patent No. 10-1024492 (March 31, 2011)

Accordingly, the present inventor has focused on solving the aforementioned problems and solving the problems, and developed a wheelchair in which a user can sit comfortably, comfortably, and easily in a wheelchair in a bed, a toilet seat, As a result, the present invention was invented as a result.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a manual wheelchair that can be easily and easily moved from a different place such as a bed.

According to an aspect of the present invention, there is provided a wheelchair including a wheel rotatable about a wheel axis on both sides of a support frame, a wheelchair having auxiliary wheels on the front of the wheel, A crotch pedestal provided at the front of the seat to support a crotch part of the user and a crotch part provided at the upper part of the crotch pedestal for supporting a user's abdomen, And a pedestal.

Thus, the present invention allows a user to slide on a seat in another place such as a bed, and can easily and easily move and sit alone without the aid of a guardian or a caregiver.

Another embodiment of the present invention may further include a leg-rest formed integrally with the seat so as to support a leg of a user on both sides of the inguinal pedestal.

Thus, the present invention allows a user to sit alone and in a safe and comfortable posture while moving from another place such as a bed to a seat.

According to another embodiment of the present invention, the seat and the leg-rest are formed obliquely so as to be gradually closer to the ground as they move forward, so that the user can feel comfortable in a comfortable posture It can slide down efficiently and efficiently.

According to another aspect of the present invention, there is provided a footrest according to the present invention, further comprising a footrest provided at a front lower portion of the seat, the footrest being fixed to the support frame to support a user's foot, have.

In another embodiment of the present invention, the flank guards that support the user's arm while preventing the user from being separated from the both sides while the user is seated are integrally formed at both ends of the abdomen support, so that when the user moves from another place such as a bed You can sit alone in a safer, more comfortable position.

In another embodiment of the present invention, the handle is integrally formed at each end of the flange guard, so that the user can sit alone and move safely and easily in another place such as a bed.

In another embodiment of the present invention, the stationary brake for generating the braking force for maintaining the wheel in the stationary state is provided, so that the user can move and sit comfortably and easily in another place such as a bed alone.

The present invention having the solution and the constitution of the technical object as described above can be brought as close as possible to a bed, a toilet seat and a chair of a user in a sitting state because it is constituted by a structure without a normal backrest supporting a back part of a user In this state, the user can sit comfortably in a comfortable posture without difficulty by himself.

Therefore, unlike the conventional art, the present invention can easily and easily be moved safely and comfortably without inconvenience of standing up or reversing the direction of the body when moving to another place such as a bed, a toilet seat, a chair, There is an advantageous and advantageous effect to enhance convenience of use.

1 and 2 are block diagrams showing an example of a wheelchair according to a conventional technique.
3 and 4 are perspective views showing a wheelchair according to an embodiment of the present invention.
5 is a front view of a wheelchair according to an embodiment of the present invention.
6 is a local perspective view showing a stop brake of a wheelchair according to an embodiment of the present invention.
7 is a partial front sectional view showing a stationary brake of a wheelchair according to an embodiment of the present invention.
8 is a local front view showing a state in which a wheelchair is in a stop brake operation according to an embodiment of the present invention.
FIG. 9 and FIG. 10 are schematic views showing the use state of the wheelchair according to the embodiment of the present invention.

Hereinafter, embodiments according to the present invention will be described more specifically with reference to the accompanying drawings.

Prior to this, the following terms are defined in consideration of the functions of the present invention, and they are to be construed to mean concepts that are consistent with the technical idea of the present invention and interpretations that are commonly or commonly understood in the technical field.

In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

Herein, the attached drawings are exaggerated or simplified in order to facilitate understanding and clarification of the structure and operation of the technology, and it is to be noted that each component does not exactly coincide with the actual size.

In the following description, the side where the wheel is located is defined as the rear side and the side where the auxiliary wheel is positioned is defined as the front side.

3 to 5, a wheelchair according to an embodiment of the present invention includes a support frame 100, a wheel 110, a auxiliary wheel 120, a seat 200, a groin rest 210, A pedestal 220, a leg-rest 230, and a footrest 240. [

The support frame 100 includes a wheel shaft 310/320 on which the wheel 110 is mounted and a support shaft 120 on which the wheel 100 is mounted, a seat 200, a inguinal support 210, a stomach support 220, and a leg support 230 Respectively.

In addition, the support frame 100 supports and supports a footrest 240 that allows the user to sit and comfortably rest his or her feet.

Here, the support frame 100 is preferably made of a hollow body made of a material such as stainless steel or a high strength aluminum alloy, but is not limited thereto and may be made of a metal or a synthetic resin material having excellent physical and mechanical properties such as durability and strength The cross-sectional shape of the hollow body may be formed in various shapes such as a general circular shape or a rectangular shape as well as a structural strength and weight reduction.

The wheels 100 are rotatably mounted on both wheel shafts 310/320 of the support frame 100 so as to roll and load the load transmitted through the support frame 100 while relieving the support and impact.

Here, the wheel 100 may employ a conventional structure having a hand rim 111 so that the user can directly roll the wheel.

The auxiliary wheel 120 is formed to have a relatively small diameter as compared with the wheel 100 for adjusting and orienting the direction of movement of the wheelchair and is mounted on the distal end of the supporting frame 100 positioned in front of the wheel 100 .

Here, the auxiliary wheel 120 may have a structure similar to that of a conventional caster, which allows a user to freely change the traveling direction freely when the wheelchair is advanced or retracted.

The seat 200 is provided on the upper portion of the support frame 100 so that the user can sit comfortably.

That is, the seat 200 is formed as a seat for supporting the hip region of the user.

In addition, the seat 200 is formed to be inclined obliquely so as to gradually approach the ground surface toward the front auxiliary wheel 120.

Therefore, the user can slide on the seat 200 in a comfortable posture as if wearing a slide.

Here, the seat 200 may be formed so as to be curved toward the inner side or be inclined at a predetermined angle so that the user can sit in a more comfortable posture, and a cushion layer having elasticity or elasticity A sponge or cotton or the like may be adhered with a predetermined thickness.

The inguinal support 210 is formed at the front center portion of the seat 200 to stably support the inguinal region of the user.

Therefore, when the user slides in a comfortable posture as if wearing a slipper and sits on the seat 200, it is possible to prevent the lower body from slipping or falling out beyond a predetermined range toward the front.

Here, in order to maintain a comfortable and stable posture, the inguinal support 210 preferably has a smooth curved outer circumferential surface opposite to the inguinal part of the user.

The abdomen support 220 is formed at a predetermined height above the inguinal pedestal 210 while being supported by the support frame 100 to stably support the abdomen of the user.

Therefore, when the user slides on the seat 200 as if sliding on the slider in a comfortable posture, it is possible to prevent the body from being excessively moved forward or away from the seat.

Here, in order to maintain a comfortable and stable posture, the abdomen support 210 preferably has a soft curved inner circumferential surface facing the abdomen of the user.

The leg-rest 230 is integrally formed on the front sides of the leg-rest 210 so as to comfortably support the legs of the user.

And the leg-rest 230 is formed obliquely inclined so as to gradually approach the ground surface toward the front auxiliary wheel 120.

Therefore, the user can slide in a comfortable posture as if wearing a slide, so that the user can sit down on the seat 200 and keep the legs in a comfortable posture.

In order to maintain a comfortable and stable posture, the leg-rest 210 preferably has a smooth curved shape at both sides of the front side of the seat 200, and is formed to extend obliquely downward.

The footrest 240 is provided at the front end of the support frame 100 to comfortably support the user's feet.

And auxiliary wheels 120 are mounted on both sides of the bottom of the footrest 240.

That is, the footrest 240 is formed in a food rest shape so that the user can sit and comfortably put his or her feet on the upper part of the auxiliary wheel 120.

On the other hand, at both ends of the abdomen support 210, a flange guard 250 that supports a user's arm while stably supporting the side of the user and preventing the upper body from being tilted or separated from the side in a sitting state is integrally formed .

That is, the flange guard 250 is formed so that the user can comfortably place the arm while stably supporting the side of the user.

Here, the flange guard 250 may be integrally formed with the abdomen support 210 so as to have a smooth curved inner circumferential surface facing the abdomen and side parts of the user.

The flank guards 250 integrally formed at the opposite ends of the abdomen support 210 are spaced apart from each other by an amount that does not cause any inconveniences such as contact interference when the user sits on the seat 200 or descends from the seat 200 As shown in FIG.

At the end of the flange guard 250, a handle 260 is integrally formed to allow easy manipulation of the direction of movement of the wheelchair.

Here, the surface of the handle 260 may be provided with a leather, a cloth, a synthetic resin material, or a friction pad (not shown) to prevent the user from slipping when gripped.

The fingers 260 integrally formed at both ends of the flange guard 250 are spaced apart from each other by an amount such that they do not inconvenience such as contact interference when the user sits on the seat 200 or descends from the seat 200 As shown in FIG.

9 and 10, when the user grips the handle 260 with both hands and approaches the other place such as a bed as much as possible, the wheelchair according to the embodiment of the present invention having the above- 200) to move the center of gravity of the body while sliding, it can move naturally, so that the user can sit comfortably in a comfortable posture without difficulty alone.

In addition, when the user is seated on the wheelchair, the seat 200 is moved as far as possible to other places such as a bed, and then the wheel 260 is pushed with both hands to push the wheelchair over the other area such as a bed or the like It can be moved up and down, so the user can sit on his own without difficulty.

Therefore, unlike the conventional method, it can be easily and easily moved safely and comfortably without inconvenience of standing up from the seat or reversing the direction of the body during the process of moving from bed to bed or vice versa.

Meanwhile, the wheelchair according to another embodiment of the present invention may further include a stop brake for generating a braking force to maintain the wheel 110 in a stopped state.

6 to 8, the stop brake includes a rotation shaft 310 having one end fixed to the wheel 110 and a plurality of toothed wheels 311 formed on the outer circumference of the other end, A fixed shaft 320 fixed to the support frame 100 and formed with a coupling groove 321 at a side opposite to the rotation shaft 310 at the other end, A first wire 350 connected at one end to a lever 340 provided at the handle 260 and a second wire 350 connected at one end to the first wire 350. The slider 330 includes a plurality of stoppers 331, 350 and the second wire 360 connected to the slider 330 and the engaging groove 321 of the fixed shaft are mounted between the rotating shaft 210 and the slider 330 so that the slider 330 is in contact with the rotating shaft 310, And a spring 370 for imparting an elastic restoring force to return to the original position where there is no force.

When the user grasps the lever 340 together with the handle 260, the first brake wire connected to the lever 340 is pulled upward so that the second brake 360 is branched The slider 330 fixed to the other end of the second wire 360 slides within the coupling groove 321 of the fixed shaft and the stopper 331 is engaged with the fork 311 of the rotary shaft, The rotation shaft 310 fixed to the wheel 110 is braked so as not to rotate freely, so that the wheel 110 is kept in a stopped state in which it can not rotate freely.

At this time, the spring 370 is compressed by the pressing load of the slider 330 and naturally returns to the original position where the slider 330 is disengaged between the stopper 331 and the fork 311 of the rotary shaft 310 Thereby giving an elastic restoring force.

The slider 330 is returned to its original position by the resilient restoring force of the spring 370. This causes the slider 330 and the rotation shaft 310 to return to their original positions, The braking force due to contact interference between the wheels 110 is released and the wheel 110 is freely rotatable together with the rotation shaft 310. [

Therefore, the stop brake is a braking force that maintains the stopped state of the wheel 110 by a simple operation of grasping the lever 340 together with the handle 260 when the user moves from a bed, a toilet, a chair, So that the wheelchair can be freely rolled while the user is moving, so that the user can sit comfortably and safely.

The lever 340 is coupled to the inner side of the handle 260 by a pin and is seesawed with the pin as a rotation axis. In addition, around the outer surface of the handle 260 and the lever 340, A plurality of finger grooves (not shown) may be formed to facilitate gripping by hand and not to slip easily in the hand.

As the spring 370, a compression coil spring may be used but not limited thereto. For example, any elastic spring such as elastic rubber may be used as long as it has the same effect as the coil spring due to the elastic restoring force.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments or constructions. Various changes and substitutions may be made without departing from the spirit and scope of the invention. It will be obvious to those skilled in the art that the present invention can be widely applied to other embodiments.

Therefore, it is to be understood that modifications and variations of the features of the present invention are intended to be included within the spirit and scope of the present invention.

100: support frame 110: wheel
120: Auxiliary wheel 200:
210: inguinal support 220: abdomen support
230: leg support 240: foot support
250: Flank guard 260: Handle
310: rotating shaft 311: fork
320: fixed shaft 321: engaging groove
330: Slider 331: Stopper
340: lever 350: first wire
360: second wire 370: spring

Claims (8)

The wheelchair according to any one of claims 1 to 3, wherein the support frame is provided with wheels that are freely rotatable about the wheel axles on both sides of the support frame, and auxiliary wheels are provided in front of the wheels,
A seat plate formed obliquely at an upper portion of the support frame so as to be gradually moved toward the front side so that the user can slide and sit;
A inguinal support provided at a front center portion of the seat so as to support the inguinal part of the user;
A abdomen support provided at an upper portion of the inguinal support to support a user's abdomen; And
A leg rest which is integrally formed with the seat on both sides of the front part of the inguinal pedestal and is formed obliquely so as to be gradually closer to the ground as it goes forward;
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delete delete The method according to claim 1,
A footrest provided on a front lower portion of the seat, the footrest being fixed to the support frame to support a user's foot;
Further comprising:
And the auxiliary wheels are mounted on both sides of the bottom of the footrest.
The method according to claim 1,
And a flange guard for supporting a user's arm while integrally preventing the user from being separated from both sides of the abdominal support while the user is seated.
6. The method of claim 5,
And a handle is integrally formed at an end of the flange guard.
The method according to claim 6,
And a stop brake for generating a braking force for maintaining the stopped state of the wheel.
8. The method of claim 7,
Wherein the stop brake comprises:
A rotary shaft having one end fixed to the wheel and a plurality of forks formed on an outer periphery of the other end;
A fixed shaft having one end fixed to the support frame and a coupling groove formed at a side opposite to the rotation shaft at the other end;
A slider slidably received in the engaging groove of the fixed shaft and having a plurality of stoppers meshing with the corresponding forks of the rotating shaft;
A first wire having one end connected to a lever provided on the handle;
A second wire having both ends connected to the first wire and the slider; And
A spring embedded in the coupling groove of the fixed shaft to impart an elastic restoring force such that the slider returns to its original position without contact interference with the rotary shaft;
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