KR20200057977A - Wheelchair with vehicle boarding function - Google Patents

Abstract

The present invention relates to a wheelchair having a boarding function, which comprises: a body (110) integrally provided with a base frame (111) for mounting a wheel (112) and a back frame (113) vertically formed at an upper side of the rear of the base frame (11) to have a predetermined height; a main seating unit (120) mounted at a predetermined height from the base frame (111) in front of the back frame (113) to be horizontally provided; and an auxiliary seating unit (140) mounted in front of the back frame (113) to be driven upward, downward, forward, and backward from the main seating unit (120) to enter and exit an upper side of a vehicle seat (210). Accordingly, a user is allowed to be simply seated and to board the vehicle seat (210) through the auxiliary seat (147) after getting out of a wheelchair without using a separate boarding device except the wheelchair, thereby more conveniently using a vehicle.

Description

Wheelchair with boarding function {WHEELCHAIR WITH VEHICLE BOARDING FUNCTION}

The present invention relates to a wheelchair having a boarding function, and more specifically, by configuring a wheelchair user to be able to move between a wheelchair and a vehicle seat through an auxiliary seat, a user can use a wheelchair without installing and using a separate boarding device in addition to the wheelchair. It relates to a wheelchair that can be easily boarded in a vehicle after getting off at and seated in a vehicle seat.

In general, a wheelchair is a chair-type moving mechanism in which a wheel is installed so that a person with limited mobility can move in a sitting state, and has a seat and a backrest and a footrest on a frame, and a wheel is mounted forward and backward.

Wheelchairs and brakes are operated by the user directly using wheel handles and brakes. Recently, electric wheelchairs equipped with an electric motor and electronically controlling all driving operations such as steering and speed, or artificial intelligence technology are applied. The development of robot wheel chairs is also actively taking place.

On the other hand, in order for a wheelchair user to board the vehicle, the vehicle is boarded with a wheelchair by using a separate boarding device while riding on the wheelchair, or after getting off the wheelchair with the help of a nearby person.

As an example of a known technology for a vehicle occupant for a wheelchair user, Korean Patent Registration No. 10-0466446 provides a vehicle elevating device that is provided with a lift plate for elevating a wheelchair to be stored in and out of a storage section below the vehicle floor. , When installed, the front end is made of a main lifting plate that is landed on the ground, and an auxiliary lifting plate that is hinged to the rear end side of the main lifting plate so as to be prevented from being detached from the storage part at the rear end of the main lifting plate. The support bracket that is horizontally moved is configured to be hinged to constitute a wheelchair lift device for a vehicle that allows the wheelchair to board the vehicle with a slide-type lifting structure.

As another example, Korean Patent Publication No. 10-2005-0110855 extends from the side of the vehicle doorway stairway so that people can board the vehicle without going through the stairs in a wheelchair-mounted vehicle, and each end of each side of the doorway Two installed supports and both ends are respectively coupled to the supports, which are formed to be narrower than the gap between the installed hydraulic cylinders and supports to extend and rotate the rotating shaft and the rotating shaft forcibly rotating by external power. Platform of the rectangular plate body to be boarded, the first driving link and the second driving link, one end of which is coupled to the rotating shaft and the other end is rotated to one side and the other side of the platform, respectively, and one end is respectively coupled to the side of the platform and the other end The first left support link and the first right support link coupled to the side surfaces of the first driving link and the second driving link are respectively coupled to the support, and the other end is respectively provided to the side surfaces of the first driving link and the second driving link. A vehicle wheelchair lift having a combined second left support link and a second right support link is configured.

As another example, Korean Registered Patent No. 10-1423323 includes a lift installed in the trunk of a vehicle, a folding wheelchair, and a moving robot that fixes and moves the folding wheelchair, and the lift moves the folding wheelchair and the moving robot inside the vehicle. Moving from the outside, the mobile robot is separated from the lift outside the vehicle to move the folding wheelchair to the side of the vehicle door to configure a vehicle wheelchair moving device configured to guide the user to use the folding wheelchair.

Korean Registered Patent No. 10-0466446 (2005.01.15) Korean Patent Publication No. 10-2005-0110855 (2007.06.14) Korean Registered Patent No. 10-1423323 (2014.07.24) Korean Registered Patent No. 10-0694306 (2007.03.15)

As described above, in order for a wheelchair user to use a vehicle, a vehicle board of an inclined plate or a lift type is separately installed inside or outside the vehicle body to be used for boarding, or boarding with the help of a nearby person.

Compared to the former, the latter has the advantage of allowing a wheelchair user to sit in a driver's seat rather than a wheelchair, especially in the case of a user who can drive, but for this purpose, the person around you must either hug or support the wheelchair user to move physically. In addition to the accompanying problems, there is a disadvantage that a possibility of a safety accident is very high.

On the other hand, the vehicle boarding device for a wheelchair user to which the prior art is applied consists of a form in which a lift plate installed at the lower portion of the vehicle is hinged toward the ground to provide a ramp for the wheelchair to board. As another example, the boarding device of the prior art is configured to board a vehicle by installing a lift that allows a wheelchair to enter the doorway of the vehicle body.

Therefore, the prior art has limitations that can be applied only to medium and large vehicles that secure a boarding space for a wheelchair, such as a van or a bus, and installs an elevator plate or a lift on the vehicle body or installs an additional device for fixing the wheelchair inside the vehicle, etc. There is a problem such as inevitable modification of the vehicle body.

Particularly, the vehicle boarding device of the related art has disadvantages such as difficulty in securing safety, a significant decrease in ride comfort, and inability to use a driver's seat, as compared to a general vehicle seat, since the user must board the vehicle while sitting in a wheelchair.

Therefore, in the present invention, the present invention was solved to solve the problems of the prior art as described above.

A body 110 integrally provided with a base frame 111 for mounting the wheel 112 and a back frame 113 vertically formed at a predetermined height from the rear upper side of the base frame 111;

A main seating unit 120 mounted horizontally from the base frame 111 at a predetermined height in front of the back frame 113; And

It is mounted to drive up, down, front, and rear from the main seating section 120 in front of the back frame 113, and the auxiliary seating section 140 that enters and exits the vehicle seat 210 upwards. It is possible to achieve the purpose of excluding the use of the boarding device and allowing the user to easily board the vehicle and sit in the vehicle seat after getting off the wheelchair.

The present invention provides a wheelchair having a boarding function that allows a wheelchair user to easily move between a wheelchair and a vehicle seat.

Therefore, the present invention can solve the problem of safety when a conventional wheelchair user boards a vehicle and a nearby person hugs or supports the user.

In addition, the present invention excludes problems such as separately installing a lift or an inclined plate, etc. in a vehicle body or outside, such as a vehicle boarding device according to the prior art, or in particular, when a user is seated in a wheelchair.

Therefore, regardless of the vehicle type, there are various advantages such as ensuring safety by allowing a wheelchair user to easily seat and board the vehicle seat without installing a separate device.

1 is a perspective view of a wheelchair having a boarding function according to the present invention.
2 is a front view of a wheelchair having a boarding function according to the present invention.
Figure 3 is a side view of a wheelchair having a boarding function according to the present invention.
Figure 4 is a perspective view of a main portion of a wheelchair having a boarding function according to the present invention.
5 is an exploded perspective view of a wheelchair having a boarding function according to the present invention.
6 to 9 is an exemplary use state of the wheelchair having a boarding function according to the present invention.

Hereinafter, the configuration and operation according to a preferred embodiment of a wheelchair having a boarding function of the present invention will be described in detail with reference to the accompanying drawings. In the following description, detailed descriptions of parts that can be easily implemented by those skilled in the art may be omitted.

1 is a perspective view of a wheelchair having a boarding function according to the present invention, FIG. 2 is a front view of a wheelchair having a boarding function according to the present invention, FIG. 3 is a side view of a wheelchair having a boarding function according to the present invention, and FIG. Main part perspective view of a wheelchair having a boarding function according to the invention, FIG. 5 is an exploded perspective view of a wheelchair having a boarding function according to the present invention, and FIGS. 6 to 9 show an exemplary view of a use state of a wheelchair having a boarding function according to the present invention Did.

A wheelchair having a boarding function to which the technology of the present invention is applied is configured such that the wheelchair user can move between the wheelchair and the vehicle seat 210 through the auxiliary seat 147 so that the user can get off the wheelchair and board the vehicle easily. Note that it relates to a wheelchair that allows seat 210 to be seated.

For this purpose, the wheelchair having the boarding function of the present invention is largely assisted to move between the wheelchair body 110, the main seat 120 provided with the body 110, and the body 110 and the vehicle seat 210. It consists of a seating portion 140 and is specifically as follows.

The body 110 is integrally provided with a base frame 111 for mounting the wheel 112 and a back frame 113 vertically formed at a predetermined height from the rear upper side of the base frame 111.

The rear side of the base frame 111 is formed in a flat plate parallel to the ground to provide a main structure of the back frame 113 and the auxiliary seating portion 140.

The main driving wheel is mounted on the rear lower side of the base frame 111 and the auxiliary wheel is mounted on the lower front side. The main driving wheel is provided to drive the wheelchair while supporting the overall load applied to the wheelchair, and may be provided with a rim for propulsion like a normal wheelchair.

The front side of the base frame 111 extends from the rear side and is provided with protruding beams in front of both sides for ease of driving to mount auxiliary wheels on both sides.

The back frame 113 is formed at a predetermined height in consideration of the elevating range of the auxiliary seating portion 140 which will be described later on the rear side of the base frame 111. The back frame 113 is provided in a predetermined casing shape to include a main seating portion 120 and an auxiliary seating portion 140 on the front outside, and a main structure of the auxiliary seating portion 140 is built in to finish the exterior. So as to be equipped.

The inside and outside of the back frame 113 is equipped with a structure of an auxiliary seating portion 140 which will be described later, and a predetermined opening is provided in the longitudinal direction at the front of the back frame 113 to raise and lower the arm length. , To implement reverse operation.

The main seating portion 120 is provided horizontally by being mounted at a predetermined height from the base frame 111 in front of the back frame 113, and is composed of a fixed seat 121 and a rotating seat 126.

The fixing sheet 121 is formed in a flat plate shape and concave-shaped circular operating grooves 122 are formed in the upper center.

The fixed seat 121 is a seat provided at a certain position on the wheelchair to form a basic seat structure of the chair so that the user is seated in the wheelchair. In the embodiment of the present invention, the fixing sheet 121 is provided in a predetermined square plate shape, but its shape can be variously applied.

The working groove 122 formed in the fixed sheet 121 is recessed in the same shape and thickness of the rotating sheet 126 to accommodate the rotating sheet 126 so as to be rotatable, but the rotation range of the rotating sheet 126 In order to limit the left and right 90-degree angles from the front of the fixing sheet 121, a predetermined stopper is provided.

The fixing sheet 121 forms a structure supported by the back frame 113 without a leg having the same shape as a normal chair leg. That is, the lower portion of the fixing sheet 121 is provided with a folding bar 124 and a link bar 125 to be configured to be collapsible from the back frame 113 to exclude interference when the wheelchair is approached to the vehicle body.

The folding bar 124 is hinged to one end on the bottom surface of the fixing sheet 121, but is provided to limit hinge operation by the folding lever 123.

The folding bar 124 forms a support structure between the back frame 113 and the fixed sheet 121 by forming a straight line in the diagonal direction with the link bar 125 below in the unfolded state of the fixed sheet 121. The folding lever 123 provided on the hinge coupling portion of the top of the folding bar 124 and the fixing sheet 121 adjusts the angle between the fixing sheet 121 and the folding bar 124 to implement a horizontal or folding state. To prepare.

The link bar 125 is hingedly coupled to both ends in a diagonal direction between the back frame 113 and the folding bar 124, but is provided to limit the hinge operation to the 180 ° movable range with the folding bar 124.

The link bar 125 forms a support structure between the back frame 113 and the fixed sheet 121 by forming a straight line in the diagonal direction with the folding bar 124 in the unfolded state of the fixed sheet 121. Therefore, the lower end of the link bar 125 and the hinge coupling portion of the back frame 113, and the upper hinge of the link bar 125 and the lower hinge coupling portion of the folding bar 124 are provided with respective stoppers to limit the rotation angle. In doing so, it is arranged to implement an unfolded or folded state.

The rotating sheet 126 is accommodated in the operating groove 122 of the fixed sheet 121 and is provided to rotate in a range of 90 degrees to the left or right based on the front of the fixed sheet 121.

The rotating seat 126 is configured to switch the seating direction of the user in the direction of the vehicle seat 210 in consideration of the intersection of the wheelchair and the boarding direction of the vehicle when the user approaches the vehicle while seated in the wheelchair. to be.

The rotating seat 126 is provided at the same height as the fixing sheet 121 on the upper side in a state accommodated in the operating groove 122, but the up-down means 127 between the bottom of the operating groove 122 and the rotating sheet 126 phase ), And an up-down lever 128 is provided on one side of the fixed sheet 121 to selectively raise and lower the height of the rotating seat 126 by operating the up-down means 127. Therefore, the rotating sheet 126 is configured to prevent the user's body from rubbing against the fixed sheet 121 during the rotation operation.

The auxiliary seating portion 140 is mounted to drive up, down, front and rear from the main seating portion 120 in front of the back frame 113 and configured to enter and exit the vehicle seat 210.

The auxiliary seating part 140 is vertically guided by the vertical guide bar 141, the vertical guide bar 141, the vertical guide bar 141, and the vertical guide bar 141. The lifting means 143, the horizontal guide bar 144 elevated by the lifting means 143, the armrests 145 that move forward and backward along the horizontal guide bar 144, and the auxiliary seat detachable to the armrest 145 147).

The vertical guide bar 141 is provided with a pair of a predetermined height from the upper side of the base frame 111 to interlock with each other by a rotating belt to form a ball screw on each outer circumferential surface.

The vertical guide bar 141 receives the driving force by the lifting handle 142 that is gear-engaged on one side and rotates in the forward and reverse directions.

The vertical guide bar 141 combines the lifting means 143 with a ball screw to convert the rotational force into a linear motion. The vertical guide bar 141 on both sides is provided to rotate the pair at the same time by a rotating belt, and both the lifting means 143 to the same height.

The lifting handle 142 is provided on one side of the back frame 113 to automatically or manually rotate, and is provided to rotate in gear engagement with the vertical guide bar 141 on one side.

The elevating handle 142 forms a coupling relationship by one side vertical guide bar 141 and a cross shaft gear built in the back frame 113 to transmit rotational force to the vertical guide bar 141, and the elevating means according to the rotation direction (143) is configured to move up and down.

The elevating means 143 is provided with a pair of balls that are coupled to the vertical guide bar 141 and vertically and vertically along the vertical guide bar 141 rotated by the elevating handle 142. .

The elevating means 143 is provided to derive the vertical and horizontal operation of the armrest 145 by transmitting the lifting operation force by the vertical guide bar 141 to the following horizontal guide bar 144. Both the lifting means (143) and the horizontal guide bar (144) on each side mounted to each of them form the same displacement up and down.

The horizontal guide bar 144 is mounted on one side of the lifting means 143 and is provided with a predetermined length in the front and rear directions orthogonal to the vertical guide bar 141.

The horizontal guide bars 144 are mounted to the lifting means 143 at intervals corresponding to the horizontal width of the armrests 145 below. The horizontal guide bar 144 is formed in a predetermined rail structure so that the user can easily slide the armrest 145 forward and backward.

The armrest 145 is formed in a '⊂' shape that opens one side and is provided in front of the back frame 113 and is configured by rail coupling to the horizontal guide bar 144.

The armrest 145 is provided in a bar shape that forms a support structure on three sides to safely support the user's arms and back, and forms a predetermined rail structure on both sides of the bar, sliding forward and backward from the horizontal guide bar 144 Prepare to work.

The auxiliary seat 147 is detachably attached to the sling belt 146 provided downward on both sides of the armrest 145 and is provided to be seated on the rotating seat 126 or the vehicle seat 210.

The auxiliary seat 147 is configured to move integrally with a wheelchair user and is seated on the upper side of the rotating seat 126 and the vehicle seat 210 according to the position of the armrest 145 or is attached to the sling belt 146. It is provided in a suspended state by the air.

Since the auxiliary seat 147 is provided on the vehicle seat 210 when the user boards the vehicle, it is preferable to configure the sheet to be soft and comfortable to use.

Looking at the schematic use state of the wheelchair having a boarding function to which the technology of the present invention having the configuration as described above is applied is as follows. Since the following description is to describe the preferred embodiment for the present invention, the present invention is not limited by the following examples, it will be understood that various modifications can be provided within the scope of the scope of the present invention. .

Wheelchairs having a boarding function according to the present invention perform a largely three-step operation process for a user to board a vehicle.

The first step is a step of initializing the state of the wheelchair as shown in FIG. 6 and the user sitting in the wheelchair.

In the front of the back frame 113 of the body 110, the fixing seat 121 of the main seat 120 is horizontally expanded, that is, the folding bar 124 and the link bar 125 are fixed seat 121 and back The frame 113 forms a straight line in an oblique direction between the phases, and the folding lever 123 is provided to position the fixing sheet 121 in a horizontal state in a locked state.

The rotating seat 126 provided in the operating groove 122 of the fixing sheet 121 initializes the up-down lever 128 so that the up-side means 127 is lowered and the top side of the fixing sheet 121 is the same height. It is provided so as to be.

On the upper side of the main seating portion 120, the auxiliary seat 147 of the auxiliary seating portion 140 is provided with the sling belt 146 seated on the upper side of the rotating seat 126 in a detached state.

The user is seated on the auxiliary seat 147 so that the leg is positioned to face the front of the wheelchair body 110, and the vehicle door to be boarded is moved to face the vehicle to stop.

The second step rotates the seating direction of the user in the same direction as the vehicle seat 210 as shown in FIG. 7 and boards the user's position by operating the auxiliary seating unit 140 upward from the main seating unit 120. This is a step of positioning the vehicle seat 210 to be the same height as the desired height.

The user sets the height of the rotating seat 126 higher than the upper surface of the fixed seat 121 by operating the up-down lever 128 provided on one side of the fixed seat 121, and sets his body with the vehicle seat 210. Switch 90 degrees in the same direction.

The user rotates the lifting handle 142 provided on one side of the back frame 113 in one direction. The one-side vertical guide bar 141 embedded in the back frame 113 rotates in cooperation with the lifting handle 142 by gear engagement, but both sides simultaneously rotate in one direction by a rotating belt.

Both the lifting means 143 coupled to the ball screw to the vertical guide bar 141 rotating as described above moves downward along the vertical guide bar 141, and the horizontal guide bar 144 mounted on the lifting means 143 also It descends at the same time. The armrest 145 is lowered together with the horizontal guide bar 144 to join the auxiliary seat 147 to the sling belt 146 of the armrest 145.

The user rotates the lifting handle 142 in the other direction, and the vertical guide bars 141 on both sides simultaneously rotate in the other direction.

Both the lifting means 143 coupled to the ball screw to the vertical guide bar 141 rotating as described above moves upward along the vertical guide bar 141, and the horizontal guide bar 144 mounted on the lifting means 143 also It rises at the same time. In addition, as the armrest 145 rises with the horizontal guide bar 144, the auxiliary seat 147 is spaced apart from the rotating seat 126, and the body of the user seating on the auxiliary seat 147 rises. When one's body rises to the same height as the vehicle seat 210, the rotation of the elevating handle 142 is stopped.

The third step is a step in which the user is seated in the vehicle seat 210 by entering the armrest 145 into the vehicle body as shown in FIGS. 8 to 9.

The user slides and advances the armrest 145 rail-coupled to the horizontal guide bar 144 by moving the vehicle, for example, by grasping and pulling the vehicle body. When the auxiliary seat 147 is located on the upper side of the vehicle seat 210, the sling belt 146 of the armrest 145 is removed from the auxiliary seat 147 so that the user can use the auxiliary seat 147 as a vehicle seat 210. ), And the wheelchair can move the vehicle after moving from the vehicle body.

In order for the user to get off the vehicle and use the wheelchair, the user may operate the wheelchair in the reverse order of the first to third steps to proceed with the movement.

Wheelchairs having a boarding function according to the present invention as described above have an effect of allowing a wheelchair user to safely board a vehicle without assistance from a nearby person when boarding the vehicle as in the prior art.

Particularly, the present invention excludes vehicle modification such as separately installing a lift or inclined plate inside or outside the vehicle body, such as a vehicle boarding device according to the prior art, and allows the user to get off the wheelchair regardless of the type of vehicle such as a small car and assist seat (147 There are various advantages such as allowing the vehicle seat 210 to be easily seated and boarded through the vehicle.

110: body 111: base frame
112: wheel 113: back frame
120: main seating 121: fixed seat
122: operating groove 123: folding lever
124: folding bar 125: link bar
126: rotating seat 127: up-down means
128: up-down lever 140: auxiliary seat
141: vertical guide bar 142: lifting handle
143: lifting means 144: horizontal guide bar
145: armrest 146: sling belt
147: auxiliary seat 210: vehicle seat

Claims (4)

A body 110 integrally provided with a base frame 111 for mounting the wheel 112 and a back frame 113 vertically formed at a predetermined height from the rear upper side of the base frame 111;
A main seating unit 120 mounted horizontally from the base frame 111 in front of the back frame 113 and provided horizontally; And
It is characterized in that it consists of an auxiliary seating unit 140 that is mounted to drive up, down, front, and rear from the main seating unit 120 in front of the back frame 113 to enter and exit the vehicle seat 210. Wheelchair with boarding function. According to claim 1,
The main seating portion 120,
A fixing sheet 121 formed in a flat plate shape and indenting a circular operating groove 122 in the upper center,
Receiving in the operating groove 122 and includes a rotating seat 126 that rotates in the range of 90 degrees to the left or right relative to the front of the fixing sheet 121,
On one side of the fixed sheet 121, an up-down lever (110) that selectively moves the height of the rotating sheet (126) by operating the up-down means (127) provided between the bottom of the operating groove (122) and the rotating sheet (126) ( 128) characterized in that it is configured to have a wheelchair having a boarding function. According to claim 2,
In the lower portion of the fixing sheet 121,
A folding bar 124 which hinges one end to the bottom surface of the fixing sheet 121 but limits the hinge operation by the folding lever 123,
A fixed sheet (125) is provided with a link bar (125) that hinges at both ends in a diagonal direction between the back frame (113) and the folding bar (124) and limits the hinge operation to a 180 degree movable range with the folding bar (124). Wheelchair having a boarding function, characterized in that configured to support 121) to the back frame 113 in a folding manner. According to claim 1,
The auxiliary seating portion 140,
A vertical guide bar (141) having a pair with a certain height from the upper side of the base frame (111) interlocked by a rotating belt and forming a ball screw on each outer circumferential surface,
A lifting handle 142 provided on one side of the back frame 113 to rotate automatically or manually and in gear engagement with one side of the vertical guide bar 141,
A pair of lifting means 143 for ascending to the same height up and down along the vertical guide bar 141 rotated by the lifting handle 142 by ball screw coupling to the vertical guide bar 141,
A pair of horizontal guide bars 144 mounted on one side of the elevating means 143 and provided in a predetermined length in the front and rear directions orthogonal to the vertical guide bars 141,
An armrest 145 formed in the shape of a '⊂' that opens one side and provided in front of the back frame 113 and rail-coupled to the horizontal guide bar 144,
Wheelchair having a boarding function, characterized in that it comprises an auxiliary seat (147) detachably attached to the sling belt (146) provided at both sides of the armrest (145) and seated on the rotating seat (126) or the vehicle seat (210). .

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