WO2020175924A2

WO2020175924A2 - Electric wheelchair device

Info

Publication number: WO2020175924A2
Application number: PCT/KR2020/002777
Authority: WO
Inventors: 유영배
Original assignee: 유영배
Priority date: 2019-02-28
Filing date: 2020-02-26
Publication date: 2020-09-03
Also published as: WO2020175924A3; KR102252819B1; KR20200105296A

Abstract

The present invention relates to an electric wheelchair device and, more specifically, to an electric wheelchair device which can be loaded with a wheelchair in a state where a user sits in the wheelchair, thereby enabling the user to change to the electric wheelchair without any additional device and move by means of the electric wheelchair.

Description

2020/175924 Specification

Name of invention: Electric wheelchair device

Technical field

[I] The present invention relates to an electric wheel chair device, and more particularly, to an electric wheel chair device that can be mounted with a wheel chair that can be switched to an electric wheel chair without additional devices by directly mounting the above wheel chair while riding on the wheel chair.

四

Background

[3] In general, a wheel chair is divided into a manual wheelchair that controls the wheel chair by personnel such as a passenger or guardian, and an electric wheelchair that controls the wheelchair by electric power.

[4] In the case of a manual wheel chair, the passenger or guardian directly pushes and controls the wheel control, while the electric wheel chair moves by electric power and the passenger directly operates it.

[5] Because conventional wheel chairs are manufactured by being divided into manual and electric methods,

Passengers on a wheel chair cannot switch to an electric wheel chair.

[6] Therefore, the passenger on the manual wheel chair switches to the electric wheel chair method.

In order to do so, there was a problem that it was very cumbersome to use because it was necessary to change to a separate electric wheel chair.

[7] In addition, there was a problem in which safety accidents such as falls could occur during the process of changing from the manual chair to the electric chair.

[8]

Detailed description of the invention

Technical task

[9] The purpose of the present invention was devised to solve the above problems

It is to provide an electric wheel chair device that allows passengers to move by switching to an electric wheel chair with the above manual wheel chair mounted on the manual wheel chair, and to mount a manual wheel chair with easy manual and electric switching.

[1 this

Problem solving means

[II] In order to achieve the above purposes, the electric wheel chair device according to the present invention includes a center frame, a wheel receiving part mounted and fixed to the wheel chair, and a main frame having side frames; the lower part of the frame on both sides of the main frame. An electric wheel unit coupled to the; A control unit that is mounted on the main frame and fixes the wheel chair and controls the operation of the electric wheel; and a control unit that controls the operation of the control unit.It is characterized in that it is possible to mount the wheel chair while the passenger is on the wheel chair.

[12] The wheel receiving part is formed in the space between the center frame and the side frame, 2020/175924 A wheel guide formed in a portion between the center frame and the side frame to guide the movement of the wheel chair; fixing means for fixing the wheel between the center frame and the side frame; formed on the wheel guide to push the wheel It is characterized by including a slip prevention means that prevents it.

[13] The wheel guide is formed between the center frame and both side frames to guide the two wheels of the wheel chair, and includes an inclined guide formed on the front and a straight guide connected to the inclined guide so that the wheel of the wheel chair can roll and move. Including; The inclined guide is formed to have a slope that approximately abuts the ground at the entrance entrance of the front and increases to the rear so that the wheel chair of the ground can move into the inside of the wheel guide, and the linear guide is integrated in a straight line from the rear of the inclined guide. It can be formed to be connected to, and is responsible for accommodating the auxiliary wheels of the wheel chair, and it is characterized by guiding the wheel chair so that it can be mounted inside the main frame by moving the wheel chair to a straight guide through the inclined guide.

[14] The fixing means is in charge of fixing the wheel chair so that it does not move when it is loaded into the wheel guide, and a fixing pin receiving portion receiving a fixing pin inside the side of the center frame; From the fixing pin receiving portion A fixing pin protruding by sliding movement; A fixing pin receiving groove formed on the inside of the side frame to receive the protruding fixing pin end; and a fixing pin control module for controlling the stone line and reception of the fixing pin. .

[15] The slip prevention means includes a slider that is formed on a straight guide and moves before and after sliding; a stopper that rotates according to the forward movement of the slider and is fixed to have a slope to prevent the wheel from being pushed; It includes a slider control module for controlling the; The slider is configured to include a pusher having a slope so that the height decreases toward a 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 is the stopper. As it moves forward in the direction, the stopper rotates upward as much as the inclination of the pusher, and it is fixed to have a slope on the pusher to prevent the wheel from being pushed.

[16] 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 lower portion of the front and rear end of the side frame.

[17] The control unit receives a control command input through the operation unit

A control command receiving module; a wheel control signal generation module that generates and transmits control signals to the main wheel control module and the auxiliary wheel control module according to the control command; and a fixed pin protrusion and acceptance to the fixed pin control module when loading a wheel chair. It includes a wheel chair fixed control signal generation module that generates and transmits a fixed pin control signal, and generates and transmits a slider control report for moving the slider forward and backward to the anti-rolling control module; the control unit includes a control required for the operation of the electric wheel chair device Order 2020/175924 transmission configuration, with an input device embedded in the main frame, or an application installed in a portable terminal possessed by the passenger or guardian.

[18] And the body frame, which constitutes the overall appearance, and includes a front fastening portion formed at the lower front end of the interior and side fastening portions formed on both sides of the rear end; and a control frame formed by protruding obliquely from the front end of the upper frame and combining the control unit; It is characterized in that it further comprises an electric wheel chair device including a steering wheel coupled to the body frame, and a wheel chair control device that is integrally coupled or separated through the front fastening part and the side fastening part.

[19] The front fastening part is inserted at the bottom of the center frame of the main frame

Includes an insertion groove, a fastening plate equipped with a fastening pin, and a fastening pin control module that controls the front fastening part to be integrated by inserting the fastening pin into the pin hole of the front fastening part when the front fastening part is coupled to the fastening plate. Includes a fastening module; The front fastening part is composed of a protruding plate, and a pinhole is formed in the protruding front end; The front fastening part is inserted into the fastening module formed in the center frame of the electric wheel chair device, and the wheel chair control device is integrally fastened. It is characterized by being.

[2] The side fastening part is formed with a fastening ring inside, and the fastening ring is fastened and fixed on the outer surface of the rear end of the side frame of the main frame. When the wheel chair control device is combined, the side fastening part and the motor are powered. The feature is that the ring fixture of the wheel chair device comes into contact, and the fastening ring installed in the side fastening part rotates and is fixed while being caught by the fixation.

[21] In addition, it further includes a detachable chair including a chair fastening part protruding from the lower ends of both sides and a foot rest protruding at the lower center of the center; a detachable chair is mounted in the state where the wheel chair is not mounted to operate as a dedicated electric wheel chair. It is characterized by being constructed.

[22]

Effects of the Invention

[23] As we have seen above, the electric wheel chair device according to the present invention is

It is possible to move by converting to an electric wheel chair by directly mounting the wheel chair without getting off the passenger while on board, so it is possible to use manual and electric switching, which has an excellent effect.

[24] In addition, in the process of changing from a manual chair to an electric chair, there is an excellent effect that can prevent accidents from falling accidents of passengers in advance.

[25] In addition, it can be used as an electric wheel chair by mounting an exclusive chair without a wheel chair, and it can be used as an electric wheel chair without impact from the passenger, and by combining an outdoor control device, it is easy to move indoors and outdoors. Excellent effect 2020/175924 occurs.

[26]

Brief description of the drawing

1 and 2 are perspective views schematically showing an electric wheel chair apparatus according to a preferred embodiment of the present invention,

[28] Figures 3 and 4 schematically show the mounting and fixing of the wheel chair to the electric wheel chair device,

5 is a system configuration diagram for controlling the electric wheel chair device of FIG.

[3] Figs. 6 and 7 show that a pin is protruded according to a preferred embodiment of the present invention.

This is a schematic illustration of the fixing process.

[31] The slip prevention means according to the preferred embodiment of the present invention shown in Figs.

It is schematically illustrated.

11 and 12 schematically show a motorized wheel unit according to a preferred embodiment of the present invention.

13 and 14 schematically illustrate the movement of an area with a front and rear step difference according to a preferred embodiment of the present invention, FIG. 13 shows a movement of an area with a downhill step, and FIG. 14 is an area with an uphill step It shows the movement of

Fig. 15 schematically shows a state in which the chair is fixed by the fixing means and the slip prevention means according to the present invention.

[35] Figure 16 is a wheel chair control device for outdoor movement according to an embodiment of the present invention

It is schematically illustrated, and FIGS. 17 and 18 schematically illustrate an electric wheel chair device schematically shown in which the wheel chair control device of FIG. 16 is combined.

19 schematically shows that the front fastening part of the steering device according to the preferred embodiment of the present invention is inserted and fastened to the fastening module formed in the center frame of the electric wheel chair device.

20 and 21 schematically show that the side fastening part of the steering device according to the preferred embodiment of the present invention is fixed and fastened so as to be caught by the fixture formed on the side frame of the electric wheel chair device.

[38] Fig. 22 schematically shows a detachable chair according to a preferred embodiment of the present invention, Figs. 23 and 24 schematically show that a detachable chair is coupled to an electric wheel chair device, and Fig. 25 is a detachable chair coupled to the detachable chair. It is a schematic diagram of a control system combined with an electric wheel chair system.

[39]

Best mode for carrying out the invention

[4 The electric wheel chair device according to the present invention is equipped with a central frame and a wheel chair

A main frame having a fixed wheel receiving part and side frames; Electric wheel units coupled to the lower sides of both side frames of the main frame; In the main frame 2020/175924 a control unit mounted to fix the wheel chair and control the operation of the electric wheel; The feature is that the wheel chair can be mounted while the passenger is on the wheel chair including an operation unit that controls the operation of the control unit.

[41]

Modes for the implementation of the invention

[42] Hereinafter, in detail with reference to the drawings for specific embodiments of the present invention.

I will explain.

1 and 2 are perspective views schematically showing an electric wheel chair device according to a preferred embodiment of the present invention, and FIGS. 3 and 4 schematically show that a wheel chair is mounted and fixed to the electric wheel chair device, and FIG. 5 is a diagram This is the system configuration diagram for controlling the electric wheel chair in 1.

[44] Referring to Figs. 1 to 5, the electric wheel chair device according to the present invention is

The main frame 10 having a frame 110 and a wheel receiving part 120 and side frame 130 for loading and fixing the wheel chair, and the electric wheel unit 20 coupled to the lower part of the frame on both sides of the main frame and the main frame It is mounted on the frame and may be configured to include a control unit 30 for fixing the wheel chair and controlling the operation of the electric wheel, and an operation unit 40 for controlling the operation of the control unit.

The wheel receiving portion 120 is formed in the space between the center frame (0) and the two side frames (130).

[46] And the wheel receiving part 120 is formed in the lower portion between the center frame 110 and the side frame 130, the wheel guide 121 for guiding the movement of the wheel chair, and the wheel between the center frame and the side frame It may be configured to include a fixing means 122 for fixing the wheel and anti-slip means 123 formed on the wheel guide to prevent push of the wheel.

[47] The wheel guide 121 is the center of the wheel to guide the two wheels of the wheel chair.

Each is formed between the frame (0) and the two side frames (130).

[48] The wheel guide 121 may include an inclined guide 121 formed on the front surface so that the wheel chair can move by rolling and a straight guide 121 connected to the inclined guide.

[49] The inclined guide (121幻) can move inside the wheel guide. Therefore, the inclined guide (121幻) is formed to have a slope that approximately abuts the ground at the entrance of the front and increases to the rear. , The linear guide 121 may be formed to be connected in a straight line from the rear surface of the inclined guide.

[5 This inclined guide (121 幻 is in charge of accommodating the auxiliary wheel of the wheel chair).

[51] Accordingly, the wheel chair can be loaded into the main frame 10 by moving the wheel chair to a straight guide through the above inclined guide (121幻).

[52] The fixing means (122) does not move the wheel chair when loaded into the wheel guide. It is in charge of fixing 2020/175924.

[53] The fixing means (122) includes a fixing pin receiving portion (122幻 and the fixing pin receiving portion (122幻) for receiving the fixing pin inside the side of the central frame (122) and the fixing pin protruding by sliding movement from 122 It can be configured to include a fixing pin receiving groove (122) formed inside the frame and receiving the protruding fixing pin end (122) and a fixing pin control module (122 (1)) that controls the projection and reception of the fixing pin.

[54] The fixed pin control module (122 (1) may be configured to include an electric motor module that provides driving force for protruding and receiving the fixed pin.

[55] Here, the fixing pin (a sensing sensor is formed in the 122 ratio, the fixing pin

The control module (122 (1) determines the presence or absence of an obstacle, automatically adjusts the protruding distance, and can be fixed in response to various types of wheels. The above detection sensors are sensors capable of detecting obstacles such as infrared sensors, pressure sensors, and touch sensors. Is possible anything.

6 and 7 show that the pin is protruded according to a preferred embodiment of the present invention.

This is a schematic illustration of the fixing process.

[57] The above fixing pins (122 ratios can be configured to form a group (bundle) by adjoining them, and even if the spokes of the wheels are located as obstacles in the protruding direction of the fixing pins, the other fixing pins pass through the wheel to fix it. Since it is fixed in the pin receiving groove, the wheel can be stably fixed according to various types of wheel.

[58] The fixing pin of Fig. 6 (122 is a shape in which the cross section is adjacent to each other in a hexagonal shape to form a bundle, but it can be configured in various shapes such as a triangle or a polygon or a circle or an oval.

[59] Referring to Figs. 6 and 7, when loaded into the wheel chair's wheel guide (120), the fixing pin

The control module protrudes the fixing pin, and the fixing pin (122 non-sensing sensor is built-in, so the projection distance is automatically adjusted according to obstacles in the front, and if there is a larger (0) spoke in front of the fixing pin, it contacts the spokes. Since the protrusion is stopped and there is no obstacle, the fixed pin (122 non-fixed pin receiving groove (122) is projected and fixed once, so the wheel can be stably fixed regardless of the structure of the wheel).

[6] On the other hand, even if it is more stably fixed to the wheel guide by the above fixing means (122), it may cause discomfort to the ride comfort to the rider if a push occurs due to inertia or acceleration during movement. Therefore, this invention is much more convenient It may be configured to include anti-slip means to prevent slipping.

[61] The slip prevention means (123) prevents slippage that occurs during movement or brake operation.

It plays a role in optimizing ride comfort by preventing.

[62] The slip prevention means according to a preferred embodiment of the present invention shown in Figs.

It is schematically illustrated.

[63] Referring to Figs. 8 to 8, the slip prevention means 123 is formed in a linear guide (121 ratio), and a slider (123 幻) that moves before and after sliding is fixed to have a slope by rotating according to the forward movement of the slider. To prevent the push 2020/175924 Stopper (Slider that controls the movement of the 123 rain and the above slider

The control module 123 can be configured to include.

The slider control module 123 may be configured to include an electric motor module that provides a driving force for moving the slider forward and backward.

[65] Here, the slider (123 is the stopper (123) as you go to the front

It consists of a pusher (123^1) with a slope to lower the height.

[66] The lower end of the stopper in contact with the pusher (123^1) is processed.

[67] Therefore, as the pusher (123^1) moves forward in the direction of the stopper (123

The stopper (123) is erected while rotating to the upper part of the pusher as much as the inclination of the pusher. And the stopper is erected to have a slope on the pusher and is fixed in contact with the wheel. Accordingly, the stopper can prevent the wheel from being pushed.

[68] The stopper (123 ratio can be elastically hinged on the other end so that it is lifted by the pusher of the pusher. And the stopper (123 ratio is lifted by the pusher).

When it is lifted, it can be stably fixed on the inclined surface of the pusher by the elastic force by the elastic hinge, and when the pusher moves backward, the pusher moves backward.

Stopper (123 ratio can be returned to the original position by the restoring force.

11, 12 and 5, the electric wheel unit 20 is a side frame center

It may be configured to include a main wheel module (0) coupled to the lower portion and an auxiliary wheel module (220) coupled to the front and rear ends of the side frame.

1] The main wheel module (0) is a lift that moves the main wheel up and down.

It may be configured to include a frame 211 and a main wheel 212 fastened to the lifting frame to move the electric wheel chair, and a main wheel control module 213 for controlling the drive of the main wheel.

2] And the auxiliary wheel module 220 is a first auxiliary wheel module 221 formed in front of the main wheel module and a second auxiliary wheel formed in the rear end of the main wheel module

It can be configured to include a module 222.

3] The first and second auxiliary wheel modules (221, 222) are a rotating frame capable of rotating 360 degrees with respect to the central axis (22 221 non-overhead auxiliary wheel (22 215) and the auxiliary wheel frame coupled to the end of the rotating frame) It may be configured to include a sensing sensor (221 222) that detects the distance to the ground installed in the auxiliary wheel control module (221 (1, 222 (1)) for controlling the drive of the auxiliary wheel.

4] Here, the main wheel control module 213 includes a main motor module (not shown) that provides a driving force for moving and elevating the main wheel, and the auxiliary wheel control module is a moving and rotating frame of the auxiliary wheel It can be configured to include an auxiliary motor module (not shown) that provides the driving force for the council building.

5] The main motor module and the auxiliary motor module are combined with an electric motor and a gear assembly. 2020/175924 A configuration that provides the driving force to move the main wheel and the auxiliary wheel, and provides the driving force to move the main wheel up and down, and the rotation frame. It is a configuration that is generally applied to electric motors. Description will be omitted.

6] 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 step differences.

[77] The main wheel control module 213 is the main wheel according to the control signal of the control unit 30

It moves the wheel 212 back and forth and controls the lifting or lowering of the main wheel 212 in a stepped area.

8] The auxiliary wheel control module (221 (1, 222 (1)) balances the main wheel (212).

It is responsible for controlling the rotation frame (221 222 幻) to move stably by detecting a stepped area.

9] Figures 13 and 14 show a region with a front and rear step difference according to a preferred embodiment of the present invention.

This is a schematic illustration of the movement.

[8] Fig. 13 shows the movement of an area with a downhill step, and Fig. 14 is

It shows the movement of a stepped area.

[81] Referring to FIG. 13, when there is a downhill step at the front end, the detection sensor (2210, 2220) 71-detects this, and the auxiliary wheel control module (221(1, 222(1)) is the auxiliary wheel (221江 222 ratio) Rotate the rotating frame (221 222幻) so as to contact the changed surface.

[82] And the main wheel control module 213 controls the lifting frame 211

The wheel 212 is raised and lowered, and the auxiliary wheel (221江 222) is moved.

[83] Subsequently, when moving to the lower surface of the changed step, the main wheel 212 is moved down so as to contact the surface.

On the contrary, as shown in FIG. 14, even if there is a step uphill at the front end, it is controlled in the same way and can stably move even in an area with a step difference.

Meanwhile, the control unit 30 may include a control command receiving module 310, a wheel control signal generation module 320, and a wheel chair fixed control signal generation module 330.

[86] The control command receiving module 310 receives a control command input through the operation unit 40.

It receives input.

In addition, the wheel control signal generation module 320 generates and transmits a control signal to the main wheel control module and the auxiliary wheel control module according to the control command.

[88] And the wheel chair fixed control signal generation module 330 is a fixed pin when the wheel chair is loaded.

The control module generates and transmits a fixed pin control signal for receiving and holding a fixed pin, and a slider control signal for moving the slider forward and backward is generated and transmitted to the slip prevention control module.

[89] In addition, the operation unit 40 is configured to transmit control commands necessary for the operation of the electric wheel chair device, and an input device may be embedded and installed in the main frame. 2020/175924 It may consist of applications installed on portable terminals carried by passengers or guardians.

[9] When the operation unit 40 is embedded in the main frame and installed, it can be configured with an operation device such as a joystick or handle applied to a normal electric wheel chair.

[91] In addition, when the operation unit 40 is configured as an application of the mobile terminal,

，Data can be transmitted and received through short-distance communication such as infrared rays.

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

[94] Looking at the control method of the electric wheel chair device of the present invention, first

While the occupant is on board, the wheel chair is moved and loaded onto the electric wheel chair according to the present invention.

[95] To be more specific, first of all, the chair is lifted while the passenger is on the chair.

The wheel is moved to the rear, the inclined guide 121 of the wheel guide is introduced, and the wheel chair is moved through the straight guide 121 to load the wheel onto the wheel guide 120.

Then, the fixing pin (122 ratio protrudes toward the side of the center frame and is seated in the fixing pin receiving groove 122 formed inside the side frame. Here, the fixing pin is configured in the form of a pull, and the fixing pin control module 122 ₍ 1) The protrusion distance can be adjusted automatically by detecting the presence or absence of obstacles such as the spokes of this wheel.

[97] Therefore, even if there are obstacles such as the spokes of the wheel, at least a part of the fixing pin (122 ratio can be inserted into the fixing pin receiving groove (122), so it can be fixed in response to various types of wheels.

[98] The wheel fixing pin (when fixed by the 122 ratio, the slider of the slip prevention means (121 ratio moves forward), and accordingly, the stopper (123 ratio is rotated so that the stopper (123 ratio) has a slope and contacts the wheel) It is fixed, thus preventing the wheel from being pushed.

[99] As described above, the wheel chair is powered by the fixing means (122) and the overslide prevention means (123).

When loaded into the main frame of the wheel chair, the movement and operation of the electric wheel chair device can be controlled through the control unit 40.

[100] Therefore, the passenger can be controlled by mounting the wheel chair on the electric wheel chair device as it is while on the wheel chair.

[101] Figure 16 is a wheel chair control device for outdoor movement according to an embodiment of the present invention

[102] Referring to Figs. 16 to 18, the electric wheel chair device according to the present invention can be controlled by being combined with the wheel chair control device 60. 2020/175924

[103] The wheel chair control device 60 according to the present invention is a body forming the overall appearance

It may be configured to include a control frame 620 formed by protruding obliquely from the front end of the frame 0 and the upper frame and the control unit 621 is coupled, and a control wheel 620 coupled to the upper frame.

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

[105] The control unit 621 is a conventional electric motor such as an electric cart, electric motorcycle, etc.

Since it is a configuration that is generally applied to the means of transportation, a detailed description will be omitted.

The body frame 610 is configured in an open state in the center, and the electric wheel chair device may be coupled through the open space in the center.

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

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

The front fastening part 611 is composed of a protruding plate, and a pin hole 61 is formed at the protruding front end.

And, a fastening module 111 in which the front fastening part 611 is inserted and fastened may be formed at the lower end of the center frame 0 of the main frame 10 of the electric wheel chair device.

[111] The fastening module 111 is an insertion groove (111幻 and fastening plate (111 b and fastening pin)

It may contain a control module (not shown).

[112] The insertion groove (11幻 is the front fastening portion 611) is inserted.

[113] The fastening plate (111 ratio is equipped with a fastening pin (11比-1)).

[114] The fastening pin control module controls so that the front fastening part 611 is coupled to the fastening plate (111 ratio) so that the fastening pin (11 in-1) is inserted into the pinhole of the front fastening part (611幻). Therefore, the electric wheel chair unit is integrated into the wheel chair control unit.

[115] Here, when the front fastening part 611 of the steering device is fastened to the electric wheel chair device, the main wheel 212 of the electric wheel chair device is located at a higher position than the wheel 630 of the steering device. It does not reach.

20 and 21, the side fastening part 612 has a fastening ring 612 formed therein.

[118] And the outer side of the side frame 130 of the main frame 10, the above fastening

The ring (612幻 is fastened and fixed) can form a fixed body 131.

[119] Therefore, when the steering device and the electric wheel chair device are combined, the side of the steering device 2020/175924 The fastening part 612 and the fixing body 131 of the electric wheel chair are in contact, and the fastening ring mounted in the side fastening part 612 is fixed while being caught by the fixing body 131 while rotating. Here, the above fastening ring (612幻 is the fastening ring

It can be configured to control fastening and disengagement electrically by a control module (not shown).

[120] Fig. 22 schematically shows a detachable chair according to a preferred embodiment of the present invention, and Figs. 23 and 24 show that the detachable chair is coupled to an electric wheel chair device.

It is schematically shown, and FIG. 25 schematically shows that a control device is combined with an electric wheel chair device in which a detachable chair is combined.

[121] Referring to Figs. 22 to 25, the electric wheel chair device according to the present invention may be equipped with a wheel chair, but a detachable chair 70 may be mounted to operate as a dedicated electric wheel chair.

The detachable chair 70 may include a chair fastening portion protruding from the lower end of both sides (group 0) and a foot rest 720 protruding at the lower center of the center.

[123] The chair fastening part (group 0) is to be formed in a size corresponding to the wheel guide 120 space.

It can be, and the self-fastening part (group 0) can be inserted into the wheel guide 120 space and fastened.

[124] 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 scope of protection of the present invention is not limited to the above embodiments, and those having ordinary knowledge in the relevant technical field It will be understood that various modifications and changes can be made to the present invention without departing from the scope of the idea and technology of the present invention.

[125]

Industrial availability

[126] The present invention relates to an electric wheel chair device, and more particularly, it relates to an electric wheel chair device that can be moved by converting to an electric wheel chair without additional devices by directly mounting the above wheel chair while on board the wheel chair. It is a very useful invention for the welfare industry.

Claims

2020/175924 1»（：1/10公020/002777 Claims

[Claim 1] A main frame having a central frame, a wheel receiving part mounted and fixed to a wheel chair, and a side frame;

An electric wheel unit coupled to the lower portion of the frame on both sides of the main frame; A control unit mounted on the main frame to fix the wheel chair and control the operation of the electric wheel;

An electric wheelchair device, characterized in that it comprises an operation unit for controlling the operation of the control unit.

[Claim 2] In paragraph 1;

The wheel receiving part

A wheel guide formed in the space between the center frame and the side frame and formed in a portion between the center frame and the side frame to guide the movement of the wheel chair;

Fixing means for fixing the wheel between the center frame and the side frame; An electric wheel chair device, characterized in that it comprises a slip prevention means formed on the wheel guide to prevent the wheel from being pushed.

[Claim 3] In paragraph 2;

The whir guide is

Each of the center frame and both side frames to guide the two wheels of the wheel chair, including an inclined guide formed on the front surface so that the wheel of the wheel chair can be rolled and moved, and a straight guide connected to the inclined guide;

The above slope guide is

It is formed to have a slope that approximately abuts the ground at the entrance of the front and increases to the rear so that the wheel chair on the ground can move inside the wheel guide, and the straight guide is

It can be formed to be connected in a straight line from the rear of the inclined guide, and also takes charge of the role of accommodating the auxiliary wheels of the wheel chair, and guides the wheel chair so that it can be mounted in the main frame by moving the wheel chair to a linear guide through the inclined guide. An electric wheel chair device characterized by that.

[Claim 4] In paragraph 2,

The fixing means is

A fixing pin accommodating part in charge of fixing the wheel so that the wheel of the wheel chair does not move when loaded into the wheel guide, and receiving the fixing pin inside the side of the center frame;

A fixing pin protruding from the fixing pin receiving portion by sliding movement;

It is formed inside the side frame and the protruding end of the fixing pin is received. 2020/175924 fixing pin receiving groove;

Electric wheel chair device, characterized in that it comprises a fixed pin control module for controlling the stone line and reception of the fixed pin.

[Claim 5] In paragraph 2,

The push prevention means

A slider formed on the linear guide and moving before and after the sliding;

A stopper that rotates according to the forward movement of the slider and is fixed to have a slope to prevent the wheel from being pushed;

And a slider control module for controlling the movement of the slider before and after; The slider is composed of 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 direction of the stopper. An electric wheel chair device characterized in that the stopper is fixed to have an inclination on the pusher while rotating to the upper part to prevent the wheel from being pushed.

[Claim 6] In paragraph 1,

The electric wheel unit

A main wheel module coupled to the lower center of the side frame;

An electric wheel chair device, characterized in that it comprises an auxiliary wheel module coupled to the front and rear ends of the side frames.

[Claim 7] In paragraph 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 a control signal to the main wheel control module and the auxiliary wheel control module according to the control command;

A wheel chair fixed control signal generation module that generates and transmits a fixed pin control signal for protruding and receiving a fixed pin to the fixed pin control module when loading the wheel chair, and generating and transmitting a slider control message for the forward and backward movement of the slider to the anti-slip control module. Includes;

The operation unit

An electric wheelchair device characterized in that it is composed of an application installed in a portable terminal possessed by a passenger or guardian, or installed with an input device embedded in the main frame as a configuration that transmits control commands necessary for the operation of an electric wheelchair device.

[Claim 8] In paragraph 1;

A main body frame comprising a front fastening portion formed at a lower front end of the inside and a side fastening portion formed at both sides of the rear end;

It protrudes obliquely from the front end of the body frame and the control unit is combined 2020/175924 formed control frame and;

An electric wheel chair device, characterized in that it further comprises an electric wheel chair device, including a steering wheel coupled to the body frame, and a wheel chair control device that is integrally coupled or separated through the front fastening part and the side fastening part.

[Claim 9] In paragraph 8,

At the bottom of the center frame of the main frame, when the front fastening part is inserted into the insertion groove, the fastening plate with fastening pins, and the front fastening part are 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 portion to be combined in one piece;

The front fastener

It is composed of a protruding plate and a pinhole is formed at the protruding front end;

An electric wheel chair device characterized in that the front fastening part is inserted into the fastening module formed in the center frame of the electric wheel chair device, and the wheel chair control device is integrally fastened.

[Claim 10] In paragraph 8,

The side fastening part has a fastening ring formed inside,

The fastening ring is fastened and fixed to the side of the main frame on the outer surface of the rear end of the frame;

When the wheel chair control device is coupled, the side fastening part and the fixed fixing of the electric wheel chair are brought into contact with each other, and the fastening ring mounted in the side fastening part rotates while being caught and fixed by the fixing ring.

[Claim 11] In paragraph 1

Further comprising a detachable chair including a chair fastening portion protruding from the lower end of both sides and a foot rest protruding from the lower central end;

Electric wheel chair device, characterized in that it is configured to operate as a dedicated electric wheel chair by mounting a detachable chair in a state in which the wheel chair is not mounted.