KR102252819B1 - Electric Wheelchair Device - Google Patents

Abstract

The present invention relates to an electric wheelchair device, and more particularly, to an electric wheelchair device capable of loading a wheelchair in a state in which the wheelchair is mounted and converting to an electric wheelchair without an additional device to move.

Description

Electric Wheelchair Device

The present invention relates to an electric wheelchair device, and more particularly, to an electric wheelchair device capable of mounting the wheelchair in a state in which the wheelchair is mounted and converting to an electric wheelchair without an additional device to move.

In general, wheelchairs are divided into manual wheelchairs that control wheelchairs by personnel such as an occupant or guardian, and electric wheelchairs that control the wheelchair by electric power.

In the case of a manual wheelchair, the occupant or guardian directly pushes and controls the wheel control, and the electric wheelchair moves by electric power and is operated by the occupant directly.

Conventional wheelchairs are manufactured by being divided into manual and electric wheelchairs, so in order to convert the passengers on the manual wheelchair to electric, it is very cumbersome to use because it is necessary to change to a separate electric wheelchair, and in the process of changing from a manual wheelchair to an electric wheelchair There was a problem that the occupants could have a safety accident such as a fall.

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Korean Patent Publication No. 10-2012-0102889 (2012.09.19) Korean Patent Registration No. 10-1648667 (2016.08.16)

It has been conceived to solve the above problems, and an object of the present invention is to mount the wheelchair directly in the state of being in the wheelchair and convert it to an electric wheelchair without an additional electric wheelchair device, so that it is easy to mount a wheelchair for manual and electric conversion. It is to provide a possible electric wheelchair device.

In order to achieve the above object, an electric wheelchair device according to the present invention includes a main frame having a central frame, a wheel receiving portion for mounting and fixing the wheelchair, and a side frame; An electric wheel unit coupled to the lower side of the frame on both sides of the main frame; A control unit mounted on the main frame to fix the wheelchair and control the operation of the electric wheel; It characterized in that it is possible to mount a wheelchair while the occupant is in the wheelchair, including an operation unit for controlling the operation of the control unit.

A wheel guide formed in the space between the center frame and the side frame and formed below the center frame and the side frame to guide the movement of the wheelchair; Fixing means for fixing the wheel between the center frame and the side frame; It is formed on the wheel guide and characterized in that it comprises a push preventing means for preventing the push of the wheel.

The wheel guide is formed between the center frame and both side frames to guide the two wheels of the wheelchair, and includes an inclined guide formed on a front surface so that the wheel of the wheelchair can roll and move, and a linear guide connected to the inclined guide; The inclined guide is formed to have an inclination that substantially abuts the ground at the entrance of the front and increases to the rear so that the wheelchair of the ground can move inside the wheel guide, and the linear guide is integrally connected in a straight line from the rear of the inclined guide. It may be formed, and also serves to accommodate the auxiliary wheel of the wheelchair, characterized in that the wheelchair moves to a linear guide through the inclined guide to guide the wheelchair to be mounted in the main frame.

The fixing means serves to fix the wheel of the wheelchair so that it does not move when loaded into the wheel guide, and the fixing pin receiving part accommodates the fixing pin on the side of the center frame therein; A fixing pin protruding from the fixing pin receiving part by sliding movement; A fixing pin receiving groove formed on the inside of the side frame and receiving a protruding fixing pin end; It characterized in that it comprises a fixing pin control module for controlling the protrusion and reception of the fixing pin.

The slip preventing means is formed on a linear guide, and a slider that moves before and after sliding; A stopper that rotates according to the forward movement of the slider and is fixed to have an inclination to prevent the wheel from being pushed; And a slider control module for controlling the back and forth movement of the slider; The slider is configured to include a pusher having an inclination so that the height decreases toward the front surface in contact with the stopper, and the lower end of the stopper in contact with the pusher of the slider is rounded so that the pusher moves forward in the stopper direction, so that the inclination of the pusher It is characterized in that the stopper rotates upward and is fixed to have an inclination on the pusher to prevent the wheel from being pushed.

The electric wheel unit includes a main wheel module coupled to a lower central portion of the side frame; It characterized in that it comprises an auxiliary wheel module coupled to the front end and the rear end of the side frame.

The control unit includes a control command receiving module for receiving a control command input through a manipulation unit; A wheel control signal generation module for generating and transmitting control signals to the main wheel control module and the auxiliary wheel control module according to the control command; Wheelchair fixed control signal generation module that generates and transmits a fixed pin control signal for protruding and accommodating the fixed pin to the fixed pin control module when loading a wheelchair, and generating and transmitting a slider control message for the back and forth movement of the slider to the anti-slip control module. Includes; The operation unit is configured to transmit a control command necessary for the operation of the electric wheelchair device, and is configured as an application installed in a portable terminal possessed by a passenger or guardian, or an input device embedded in the main frame.

And a main body frame comprising a front fastening portion formed at a lower end of the inner front side and side fastening portions formed at both sides of a rear end, and forming an overall appearance; A control frame protruding obliquely from the front end of the main body frame and formed by coupling a control unit; It characterized in that it further comprises an electric wheelchair device including a steering wheel coupled to the main body frame, and a wheelchair steering device integrally coupled or separated through the front fastening part and the side fastening part.

When the front fastening part is inserted into the bottom of the center frame of the main frame, the fastening plate with the fastening pin and the fastening plate, and when the front fastening part is coupled to the fastening plate, the fastening pin is inserted into the pinhole of the front fastening part. And a fastening module including a fastening pin control module for controlling the fastening part to be integrally coupled; The front fastening portion is composed of a protruding plate, and a pin hole is formed at the protruding front end; It is characterized in that the front fastening part is inserted into the fastening module formed in the center frame of the electric wheelchair device so that the wheelchair control device is integrally fastened.

The side fastening part has a fastening ring formed therein, and a ring fixing body to which the fastening ring is fastened and fixed to an outer surface of the rear end of the side frame of the main frame is formed; When the wheelchair control device is coupled, the side fastening part and the ring fixing body of the electric wheelchair device are brought into contact with each other, and the fastening ring mounted in the side fastening part is rotated and fixed while being caught by the ring fixing body.

In addition, it further includes a detachable chair including a chair fastening portion protruding from the lower end of both sides and a footrest protruding from the lower center of the center; In a state in which the wheelchair is not mounted, a detachable chair is mounted to operate as a dedicated electric wheelchair.

As described above, since the electric wheelchair device according to the present invention can be moved by directly entering the wheelchair and converting to an electric wheelchair without getting off the occupant while in the wheelchair, an excellent effect of facilitating manual and electric conversion occurs. .

In addition, in the process of changing from a manual wheelchair to an electric wheelchair, there is an excellent effect of preventing a fall safety accident of an occupant in advance.

In addition, it can be used as an electric wheelchair by mounting a dedicated chair in the absence of a wheelchair, and it can be used as an electric wheelchair without the impact of the occupant, and by combining an outdoor control device, it has an excellent effect that it is easy to move indoors as well as outdoors. Occurs.

1 is a perspective view schematically showing an electric wheelchair device according to a preferred embodiment of the present invention,
Figure 2 schematically shows that a wheelchair is mounted and fixed to an electric wheelchair device,
3 is a block diagram of a system for controlling the electric wheelchair device of FIG. 1.
4 schematically shows a process of fixing a wheel by protruding a fixing pin according to a preferred embodiment of the present invention.
5 schematically shows a means for preventing slipping according to a preferred embodiment of the present invention.
6 schematically shows an electric wheel unit according to a preferred embodiment of the present invention.
FIG. 7 schematically shows the movement of an area with front and rear steps according to a preferred embodiment of the present invention, and FIG. 7A shows the movement of an area with a downhill step, and FIG. 7B is a movement of an area with an uphill step. Is shown.
Figure 8 schematically shows a state in which the wheelchair is fixed by the fixing means and the push prevention means according to the present invention.
9A is a schematic view of a wheelchair control device for outdoor movement according to an embodiment of the present invention, and FIGS. 9B and 9C schematically show an electric wheelchair device schematically showing that the wheelchair control device of FIG. 9A is combined. I did it.
10 schematically shows that the front fastening part of the steering device according to a preferred embodiment of the present invention is inserted into and fastened to the fastening module formed in the center frame of the electric wheelchair device.
11 schematically shows that the side fastening part of the steering device according to the preferred embodiment of the present invention is fixed and fastened by a ring fixture formed on the side frame of the electric wheelchair device.
FIG. 12 schematically shows a detachable chair according to a preferred embodiment of the present invention, FIG. 13 schematically shows that a detachable chair is coupled to an electric wheelchair device, and FIG. 14 is an electric wheelchair device combined with a detachable chair. It schematically shows that the steering device is combined.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

1 is a perspective view schematically showing an electric wheelchair device according to a preferred embodiment of the present invention, FIG. 2 is a schematic view showing that the wheelchair is mounted and fixed to the electric wheelchair device, and FIG. 3 is the electric wheelchair device of FIG. This is a system configuration diagram for control.

1 to 3, the electric wheelchair device according to the present invention includes a main frame 10 having a central frame 110, a wheel receiving part 120 for loading and fixing the wheelchair, and a side frame 130, and the main frame. An electric wheel unit 20 coupled to both sides of the frame under the frame, a control unit 30 mounted on the main frame to fix the wheelchair and controlling the operation of the electric wheel, and an operation unit 40 that controls the operation of the control unit. ) Can be included.

The wheel accommodating part 120 is formed in the space between the center frame 110 and the side frame 130, and is formed below the center frame 110 and the side frame 130 to guide the movement of the wheelchair. It may be configured to include a wheel guide 121 and a fixing means 122 for fixing the wheel between the center frame and the side frame, and a slip preventing means 123 formed on the wheel guide to prevent the wheel from being pushed. .

The wheel guide 121 is formed between the center frame 110 and both side frames 130 to guide the two wheels of the wheelchair, and the inclined guide 121a formed on the front surface so that the wheel of the wheelchair can roll and move And a linear guide 121b connected to the inclined guide.

The inclined guide 121a is formed to have a slope that substantially abuts the ground at the entrance of the front and increases to the rear so that the wheelchair of the ground can move inside the wheel guide, and the linear guide 121b is formed from the rear of the inclined guide. It may be formed to be integrally connected in a straight line. The inclined guide 121a also serves to accommodate the auxiliary wheels of the wheelchair.

Accordingly, the wheelchair may move to a linear guide through the inclined guide 121a and the wheelchair may be loaded into the main frame 10.

The fixing means 122 serves to fix the wheel of the wheelchair so that it does not move when loaded into the wheel guide, and accommodates the fixing pin receiving portion 122a and the fixing pin receiving the fixing pin inside the side of the central frame. A fixing pin 122b protruding from the part 122a by sliding movement, a fixing pin receiving groove 122c formed on the inside of the side frame to accommodate the protruding fixing pin end, and a fixing for controlling the protrusion and reception of the fixing pin It may be configured to include a pin control module (122d).

The fixing pin control module 122d may include an electric motor module that provides a driving force for protruding and receiving the fixing pin.

Here, a detection sensor is formed on the fixing pin 122b, and the fixing pin control module 122d determines the presence or absence of an obstacle and automatically adjusts a protruding distance to fix it in response to various types of wheels. The detection sensor may be any sensor capable of detecting an obstacle such as an infrared sensor, a pressure sensor, and a touch sensor.

4 schematically shows a process of fixing a wheel by protruding a fixing pin according to a preferred embodiment of the present invention.

The fixing pins 122b may be configured such that a plurality of fixing pins 122b are adjacent to each other to form a group (bundle), and although the spokes of the wheel are positioned as obstacles in the protruding direction of the fixing pins, the other fixing pins pass through the wheel to accommodate the fixing pins. Since it is fixed in the groove, the wheel can be stably fixed in accordance with various types of wheels.

The fixing pins 122b of FIG. 4 have a hexagonal cross section and are adjacent to each other to form a bundle, but may be formed in various shapes such as a polygonal shape such as a triangle or a quadrangle, or a circle and an oval.

4, when the wheel of the wheelchair is loaded into the wheel guide 120, the fixing pin control module protrudes the fixing pin, and the fixing pin 122b has a built-in detection sensor so that the protrusion distance is automatically adjusted according to the obstacle in front. If there is a spoke of the wheel 510 in front of the fixing pin, the protrusion stops by contacting the spoke, and the fixing pin 122b without obstacles protrudes to the fixing pin receiving groove 122c and one end is fixed. Regardless of the structure of the wheel, the wheel can be stably fixed.

Meanwhile, even if the wheel is stably fixed to the wheel guide by the fixing means, the slip prevention means 123 may cause discomfort to the ride comfort to the occupant when it is pushed due to inertia or acceleration during movement. ) Plays a role in optimizing ride comfort by preventing slippage that occurs during movement or brake operation.

5 schematically shows a means for preventing slipping according to a preferred embodiment of the present invention.

5, the slip prevention means 123 is formed on the linear guide 121b, and the slider 123a moves before and after sliding and the slider is fixed to have an inclination by rotating according to the forward movement of the slider, so that the wheel is pushed. It may be configured to include a stopper (123b) for preventing and a slider control module (123c) for controlling the back and forth movement of the slider.

The slider control module 123c may include an electric motor module that provides a driving force for moving the slider back and forth.

Here, the slider (123a) is configured to include a pusher (123a-1) having a slope so as to decrease in height toward the front in contact with the stopper (123b), the lower end of the stopper in contact with the pusher (123a-1) of the slider As the pusher is rounded and moves forward in the direction of the stopper, the stopper 123b rotates upward as much as the inclination of the pusher and is fixed to have an inclination on the pusher, thereby preventing the wheel from being pushed.

The other end of the stopper 123b may be elastically hinged so that it is lifted by the pushing of the pusher, and when the stopper 123b is lifted, it will be stably fixed on the inclined surface of the pusher by the elastic force of the elastic hinge. When the pusher is moved backward, it may return to its original position by a restoring force.

6 schematically shows an electric wheel unit according to a preferred embodiment of the present invention.

6 and 3, the electric wheel unit 20 includes a main wheel module 210 coupled to a central lower portion of a side frame and an auxiliary wheel module 220 coupled to a front end and a lower rear end of the side frame. Can be configured.

The main wheel module 210 includes a main wheel frame and a lifting frame 211 mounted in the wheel frame and moving the main wheel up and down, and a main wheel 212 that is fastened to the lifting frame to move the electric wheelchair, and the main wheel. It may be configured to include a main wheel control module 213 for controlling the driving of the wheel.

In addition, the auxiliary wheel module 220 may include a first auxiliary wheel module 221 formed at a front end of the main wheel module and a second auxiliary wheel module 222 formed at a rear end of the main wheel module.

The first and second auxiliary wheel modules 221 and 222 are mounted in the auxiliary wheel frame and the auxiliary wheel frame, respectively, and are coupled to the rotation frames 221a and 221b capable of 360 degree rotation with respect to the central axis and the ends of the rotation frame. Including auxiliary wheels (221b, 222b), detection sensors (221c, 222c) installed on the auxiliary wheel frame to detect the distance to the ground, and auxiliary wheel control modules (221d, 222d) for controlling the driving of the auxiliary wheels. Can be configured.

Here, the main wheel control module 213 includes a main motor module that provides a driving force for moving and elevating the main wheel, and the auxiliary wheel control module is a driving force for moving the auxiliary wheel and rotating the rotation frame. It may be configured to include an auxiliary motor module to provide a.

The main motor module and the auxiliary motor module are an electric motor and a gear assembly are combined to provide a driving force to move the main wheel and the auxiliary wheel, and to provide a driving force for elevating the main wheel and rotating the rotating frame. Since this is a configuration that is generally applied to and is obvious to those skilled in the art, a detailed description will be omitted.

The first and second auxiliary wheel modules 221 and 222 play a role of assisting stable movement by rotating the rotating frame adaptively to the terrain when moving the terrain with a step difference.

The main wheel control module 213 moves the main wheel 212 back and forth according to a control signal from the controller 30 and controls the lifting or lowering of the main wheel 212 in a stepped area, and the The auxiliary wheel control modules 221d and 222d provide a balance to the main wheel 212, detect a stepped area, and control the rotation frames 221a and 222a to move stably. .

7 schematically shows the movement of an area with a front and rear step difference according to a preferred embodiment of the present invention.

FIG. 7A shows the movement of an area with a downhill step, and FIG. 7B shows a movement of an area with an uphill step.

Referring to FIG. 7, when there is a step at the front end or the rear end, the detection sensors 221c and 222c detect this, and the auxiliary wheel control modules 221d and 222d allow the auxiliary wheels 221b and 222b to contact the surface changed by the step difference. The rotating frames 221a and 222a are rotated, and the main wheel control module 213 controls the lifting frame 211 to move the main wheel 212 up and down, and then the main wheel 212 when moving to the lower surface of the changed surface by a step difference. By descending to make contact with the surface, you can stably move even in areas with steps.

Meanwhile, the control unit 30 generates and transmits a control signal to a control command receiving module 310 receiving a control command input through the control unit 40 and a main wheel control module and an auxiliary wheel control module according to the control command. When loading the wheel control signal generation module 320 and the wheelchair, a fixed pin control signal is generated and transmitted to the fixed pin control module for protruding and accommodating the fixed pin, and a slider control card for the back and forth movement of the slider is generated in the anti-pushing control module. It may be configured to include a wheelchair fixed control signal generation module 330 to transmit.

In addition, the operation unit 40 is configured to transmit a control command necessary for the operation of the electric wheelchair device, and may be configured as an application installed in a portable terminal possessed by an occupant or guardian, or an input device embedded in the main frame.

When the operation unit 40 is embedded and installed in the main frame, it may be configured with a control device such as a joystick applied to a conventional electric wheelchair.

In addition, when the operation unit 40 is configured as an application of a mobile terminal, the mobile terminal and the control command receiving module of the control unit may transmit and receive data through short-range communication such as Bluetooth, RF, and infrared rays.

Accordingly, the operation unit 40 is synchronized with the electric wheelchair device, and movement and operation of the electric wheelchair can be controlled through the operation unit.

Figure 8 schematically shows a state in which the wheelchair is fixed by the fixing means and the push prevention means according to the present invention.

Referring to the method for controlling the electric wheelchair apparatus of the present invention, first, the wheelchair is moved while the occupant is on the wheelchair and loaded onto the electric wheelchair apparatus according to the present invention.

More specifically, the wheelchair is moved to the rear while the occupant is on the wheelchair, enters the main frame through the inclined guide of the wheel guide, and then moves through the linear guide to load the wheel onto the wheel guide.

Subsequently, the fixing pin protrudes toward the side of the center frame and is seated in the fixing pin receiving groove formed inside the side frame. Here, the fixing pin control module automatically adjusts the protruding distance by determining the presence or absence of an obstacle such as a spoke of a wheel, and the fixing pin is configured in a bundle shape, so that it can be fixed to correspond to various types of wheels.

When the wheel is fixed by the fixing pin, the slider of the anti-pressing means moves forward, and accordingly, the stopper rotates and is erected to have an inclination and is fixed in contact with the wheel to prevent the wheel from being pushed.

Here, the slider includes a pusher having an inclination so that the height decreases toward the front surface in contact with the stopper, and the lower end of the stopper in contact with the pusher of the slider is rounded, so that the inclination of the pusher is moved forward in the stopper direction. As long as the stopper rotates upward, it is erected to have an inclination on the pusher and abuts against the wheel to fix the wheel, thereby preventing the wheel from being pushed.

Since the other end of the stopper is elastically hinged so as to be lifted by the pushing of the pusher, when the stopper is lifted, it can be stably fixed on the pusher by the elastic force by the elastic hinge, and when the pusher is moved backward It can return to its original position by restoring force.

As described above, when the wheelchair is loaded into the electric wheelchair device by the fixing means and the push prevention means, the movement and operation of the electric wheelchair device can be controlled through the operation unit.

Accordingly, the occupant can be controlled by loading the wheelchair into the electric wheelchair device as it is while riding the wheelchair.

FIG. 9A is a schematic view of a wheelchair control device for outdoor movement according to an embodiment of the present invention, and FIGS. 9B and 9C schematically show an electric wheelchair device that schematically shows that the wheelchair control device of FIG. 9A is combined. I did it.

9A to 9C, the wheelchair control device 60 according to the present invention includes a body frame 610 forming an overall appearance and a control frame formed by obliquely protruding from the front end of the body frame and combining the control unit 621 ( It may be configured to include a steering wheel 620 coupled to the 620 and the body frame.

The control unit 621 is integrally formed with the control frame 620, and may be configured to include a control handle, an accelerator, and a brake.

Since the control unit 621 is a configuration generally applied to a conventional electric vehicle such as an electric cart, an electric motorcycle, a detailed description will be omitted.

The main body frame 610 is configured to be open in the center, and the electric wheelchair device may be coupled through the open space in the center.

The main body frame 610 may include a front fastening portion 611 formed at the bottom of the inner front side and side fastening portions 612 formed at both sides of the rear end.

10 schematically shows that the front fastening part of the steering device according to a preferred embodiment of the present invention is inserted into and fastened to the fastening module formed in the center frame of the electric wheelchair device.

The front fastening part 611 is composed of a protruding plate, and a pin hole 611a is formed at the protruding front end.

In addition, a fastening module 111 to which the front fastening part 611 is inserted and fastened may be formed at the lower end of the center frame 110 of the main frame 10 of the electric wheelchair device.

The fastening module 111 includes an insertion groove 111a into which the front fastening part 611 is inserted, a fastening plate 111b in which a fastening pin 111b-1 is mounted, and the front fastening part 611 is the fastening plate When coupled to, the fastening pin 111b-1 is inserted into the pinhole 611a of the front fastening part to integrally couple the front fastening part 611 to a fastening pin control module (not shown). have.

Here, when the front fastening part of the steering device is fastened to the electric wheelchair device, the main wheel of the electric wheelchair device is located at a higher position than the wheel of the steering device, and thus does not directly touch the ground.

11 schematically shows that the side fastening part of the steering device according to a preferred embodiment of the present invention is fixed and fastened by a ring fixture formed on the side frame of the electric wheelchair device.

11, the side fastening part 612 has a fastening ring 612a formed therein, and the fastening ring 612a is fastened to the outer surface of the rear end of the side frame 130 of the main frame 10 to be fixed. The ring fixture 131 may be formed.

Therefore, when the steering device and the electric wheelchair device are coupled, the side fastening part 612 of the steering device and the ring fixing body 131 of the electric wheelchair device come into contact with each other, and the fastening ring 612a mounted in the side fastening part 612 ) Is fixed while being caught by the ring fixture 131 while rotating. Here, the fastening ring 612a may be configured to be electrically fastened and separated by a fastening ring control module (not shown).

12 schematically shows a detachable chair according to a preferred embodiment of the present invention, FIG. 13 schematically shows that a detachable chair is coupled to an electric wheelchair device, and FIG. 14 is an electric wheelchair device combined with a detachable chair It schematically shows that the steering device is combined.

12 to 14, the electric wheelchair device according to the present invention may be equipped with a wheelchair, but a detachable chair 70 may be mounted to operate as a dedicated electric wheelchair.

The detachable chair 70 may include a chair fastening portion 710 protruding from the lower end of both sides and a foot rest 720 protruding from the lower central portion.

The chair fastening part 710 may be formed to have a size corresponding to the space of the wheel guide 120, and the chair fastening part 710 may be inserted into and fastened to the space of the wheel guide 120.

In the detailed description of the present invention described above, it has been described with reference to a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to the above embodiment, and those of ordinary skill in the art It will be appreciated that various modifications and changes can be made to the present invention without departing from the spirit and technical scope.

10: main frame 110: center frame
120: wheel guide 121: fixing means
122: slip prevention means 130: side frame
20: electric wheel unit 210: main wheel unit
220: auxiliary wheel unit 30: control unit
40: control unit 50: wheelchair
60: control device 70: detachable chair

Claims (11)

A main frame having a central frame, a wheel receiving portion for mounting and fixing a wheelchair, and a side frame;
An electric wheel unit coupled to the lower side of the frame on both sides of the main frame;
A control unit mounted on the main frame to fix the wheelchair and control the operation of the electric wheel;
And a manipulation unit for controlling the operation of the control unit;
The wheel receiving part
A wheel guide formed in the space between the center frame and the side frame and formed below the center frame and the side frame to guide the movement of the wheelchair;
Fixing means for fixing the wheel between the center frame and the side frame;
An electric wheelchair apparatus comprising a slip preventing means formed on the wheel guide to prevent the wheel from being pushed.
delete The method of claim 1;
The wheel guide is
A linear guide connected to the inclined guide and an inclined guide formed on a front surface so that the wheel of the wheelchair can roll and move, each formed between the center frame and both side frames to guide the two wheels of the wheelchair;
The inclined guide is
It is formed so that the wheelchair on the ground can move inside the wheel guide so that it contacts the ground at the entrance to the front and has a slope that rises to the rear,
The straight guide is
It may be formed to be integrally connected in a straight line at the rear of the inclined guide, and also serves to accommodate the auxiliary wheel of the wheelchair, so that the wheelchair can be moved to the linear guide through the inclined guide so that the wheelchair can be mounted in the main frame. Electric wheelchair device, characterized in that to guide.
The method of claim 1,
The fixing means
A fixing pin accommodating part that serves to fix the wheel of the wheelchair so that it does not move when loaded into the wheel guide, and accommodates the fixing pin on the side of the center frame therein;
A fixing pin protruding from the fixing pin receiving part by sliding movement;
A fixing pin receiving groove formed on the inside of the side frame and receiving a protruding fixing pin end;
Electric wheelchair device, characterized in that it comprises a fixing pin control module for controlling the protrusion and reception of the fixing pin.
The method of claim 1,
The push prevention means
A slider formed on the linear guide and moving before and after sliding;
A stopper that rotates according to the forward movement of the slider and is fixed to have an inclination to prevent the wheel from being pushed;
And a slider control module for controlling the back and forth movement of the slider;
The slider is configured to include a pusher having an inclination so that the height decreases toward the front surface in contact with the stopper, and the lower end of the stopper in contact with the pusher of the slider is rounded so that the pusher moves forward in the stopper direction, so that the inclination of the pusher increases. The electric wheelchair device, characterized in that the stopper rotates upward and is fixed to have an inclination on the pusher to prevent the wheel from being pushed.
The method of claim 1,
The electric wheel unit
A main wheel module coupled to the lower center of the side frame;
Electric wheelchair device, characterized in that it comprises an auxiliary wheel module coupled to the front end and the lower end of the side frame.
The method of claim 1,
The control unit
A control command receiving module for receiving a control command input through the manipulation unit;
A wheel control signal generation module for generating and transmitting control signals to the main wheel control module and the auxiliary wheel control module according to the control command;
Wheelchair fixed control signal generation module that generates and transmits a fixed pin control signal for protruding and accommodating the fixed pin to the fixed pin control module when loading a wheelchair, and generating and transmitting a slider control message for the back and forth movement of the slider to the anti-slip control module. Includes;
The operation part
An electric wheelchair device comprising an application installed in a portable terminal possessed by an occupant or a guardian. An input device is embedded in the main frame and installed in a configuration for transmitting a control command required for the operation of the electric wheelchair device.
The method of claim 1;
A main body frame comprising a front fastening portion formed at a lower end of the inner front side and side fastening portions formed at both sides of a rear end and forming an overall external shape;
A control frame protruding obliquely from the front end of the main body frame and formed by coupling a control unit;
An electric wheelchair device comprising a steering wheel coupled to the main body frame, an electric wheelchair device, and a wheelchair steering device integrally coupled or separated through the front fastening part and the side fastening part.
The method of claim 8,
When the front fastening part is inserted into the lower part of the center frame of the main frame, the fastening plate with the fastening pin and the fastening plate, and when the front fastening part is coupled to the fastening plate, the fastening pin is inserted into the pinhole of the front fastening part. And a fastening module including a fastening pin control module for controlling the fastening part to be integrally coupled;
The front fastening part
It is composed of a protruding plate and a pin hole is formed in the protruding front end;
An electric wheelchair device, characterized in that the front fastening part is inserted into a fastening module formed in the center frame of the electric wheelchair device, so that the wheelchair control device is integrally fastened.
The method of claim 8,
The side fastening part has a fastening ring formed therein,
A ring fixing body to which the fastening ring is fastened and fixed is formed on the outer surface of the rear end of the side frame of the main frame;
When the wheelchair control device is coupled, the side fastening part and the ring fixing body of the electric wheelchair device are brought into contact with each other, and the fastening ring mounted in the side fastening part rotates and is fixed while being caught by the ring fixing body. Device.
The method of claim 1
Further comprising a detachable chair including a chair fastening portion protruding from the lower end of both sides and a footrest protruding from the lower central portion;
Electric wheelchair device, characterized in that configured to operate as a dedicated electric wheelchair by mounting a detachable chair in a state in which the wheelchair is not mounted.

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