KR20200051363A - Electric wheelchair with auxiliary footrest - Google Patents

Abstract

The present invention relates to an electric wheelchair with an assisting passenger seat, in which a foothold is provided at the back of a main body to allow an assisting passenger to ride thereon such that a passenger as well as the assisting passenger can be moved together. In addition, a handle can be rotated towards the passenger or the assisting passenger, such that driving can be controlled by the passenger or the assisting passenger depending on the rotation of the handle. To this end, the electric wheelchair with an assisting passenger seat comprises: a main body in which a drivable motor is provided, and a seat on which the passenger can be seated is disposed at the back, while a front wheel and a rear wheel are provided at the lower portion to be moved forwards and backwards depending on the operation of the driving motor; a foothold which is rotatably provided at the lower side of the back of the main body, and can be vertically rotated for storage or horizontally rotated such that the assisting passenger may ride thereon; and a handle which is individually provided at both sides of the upper portion of the back of the main body in a rotatable manner, so as to be horizontally rotated to be located at both sides of a saddle of the seat in order to control the forward and backward movement and driving directions of the main body in a state in which the both ends are gripped by the passenger seated on the seat, or to be vertically rotated to be located at both sides of a backrest of the seat in order to control the forward and backward movement and driving directions of the main body in a state in which the both ends are gripped by the assisting passenger riding on the foothold.

Description

Electric wheelchair with auxiliary passenger seats {ELECTRIC WHEELCHAIR WITH AUXILIARY FOOTREST}

The disclosed content relates to an electric wheelchair that is driven by an electric motor to assist the movement of a physically handicapped person with disabilities.

Unless otherwise indicated herein, the content described in this section is not prior art to the claims of this application and is not admitted to be prior art by inclusion in this section.

Generally, a wheelchair is a chair-type vehicle equipped with seats and wheels that can be seated so that a person with a physical disability, who has a physical disability and cannot move on his own, can move to a desired place according to his or her will. It is said.

These wheelchairs are divided into manual wheelchairs that can be moved in a manual form according to the will of the occupant or the guardian, and electric wheelchairs that are equipped with a rechargeable electric motor and can move in an automatic form according to the will of the occupant.

Manual wheelchairs are mainly used indoors such as hospitals where patients who are unable to drive themselves are moved by a guardian, and electric wheelchairs are mainly used by people with physical disabilities who can drive themselves because they are only uncomfortable in movement and can judge and manipulate reimbursement.

In particular, electric wheelchairs can be moved on the subway stairs and boarded, so it is used as a very important means of transportation in the field of outdoor activities for people with disabilities.

However, there is a problem in that the electric wheelchair cannot be used in the case of such a patient who cannot drive on their own, and therefore must use a manual wheelchair.

In addition, in the case of a conventional electric wheelchair, there is a disadvantage in that it is manufactured for a single person who can board only the occupant, and when there is a companion, the electric wheelchair cannot be moved together. In addition, when the handicapped person was unable to drive by himself while riding on an electric wheelchair alone, there was an inconvenience that the vehicle should be moved to a position where the handicapped person is disabled or a manual wheelchair should be prepared.

1. Republic of Korea Utility Model Registration No. 20-0240345 (2001.07.18) 2. Republic of Korea Patent Registration No. 10-1649984 (2016.08.16) 3. Republic of Korea Patent Publication No. 10-2010-0129988 (2010.12.10)

It is an object of the present invention to provide an electric wheelchair equipped with an auxiliary passenger seat so that an auxiliary passenger can ride along with the passenger, and the driving can be selectively controlled by the passenger or the passenger.

As disclosed in one embodiment, a motor capable of driving is provided inside, a seat for occupants to be seated at the rear, and a front wheel and a rear wheel are provided at the bottom to move forward and backward depending on whether the driving motor is operated. It is provided to be rotatable at the rear lower side of the main body, and is provided to be rotatable in the vertical direction for storage or to be rotated in the horizontal direction so that the auxiliary occupant can climb, and to be rotatable on both sides of the rear upper portion of the main body. It is rotated horizontally so as to be located on both sides of the saddle, so that both ends are gripped by the occupants seated in the seat so that the forward, reverse and running directions of the main body are controlled, or vertically rotated to be positioned on both sides of the back of the seat. Of the main body in a state where both ends are gripped by an auxiliary occupant who has been on the scaffold. , And the backward running direction and the technology for the power wheelchair seat having auxiliary board that includes a handle to be controlled.

According to the electric wheelchair provided with the auxiliary passenger seat as described above, a footrest on which the auxiliary passenger can climb is provided at the rear of the main body so that the auxiliary passenger can move together, and the handle is rotated in the direction of the passenger or the auxiliary passenger. It has the advantage of being able to be controlled by the occupant or the auxiliary occupant depending on whether the steering wheel is rotated.

1 is a perspective view of an electric wheelchair with an auxiliary passenger seat according to the disclosed subject matter.
2 and 3 is an operation of the electric wheelchair equipped with an auxiliary passenger seat according to the disclosed content.
4A to 4F are other operational views of the electric wheelchair equipped with the auxiliary passenger seat according to the disclosed contents.
5 and 6 is a state diagram of the use of an electric wheelchair equipped with an auxiliary passenger seat according to the disclosed content.

Advantages and features of the disclosed contents, and a method of achieving them will be apparent by referring to embodiments described below in detail with reference to the accompanying drawings. However, the disclosed content is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the present embodiments allow the disclosure of the disclosed content to be complete, and the general knowledge in the art to which the disclosed content pertains. It is provided to fully inform the holder of the scope of the disclosed content, and the disclosed content is only defined by the scope of the claims. The same reference numerals refer to the same components throughout the specification.

In describing embodiments of the disclosed contents, when it is determined that a detailed description of known functions or configurations may unnecessarily obscure the subject matter of the disclosed contents, the detailed description will be omitted. In addition, terms to be described later are terms defined in consideration of functions in an embodiment of the disclosed contents, which may vary according to an operator's intention or practice. Therefore, the definition should be made based on the contents throughout this specification.

1 to 6 illustrate one embodiment according to the disclosed content. 1 is a perspective view, FIGS. 2 to 4f are operational views, and FIGS. 5 and 6 are use states.

Hereinafter, with reference to Figures 1 to 4f will be described in detail with respect to the constituent members of the electric wheelchair (1) equipped with an auxiliary passenger seat according to an embodiment of the disclosed content and its operating relationship.

First, referring to FIG. 1, the main body 10 is provided. The main body 10 serves to operate the electric wheelchair 1 equipped with an auxiliary passenger seat, and serves to operatively install components to be described later. To this end, a driveable motor is provided in the interior, and a seat 11 in which the occupant is seated is provided at the rear. In addition, the front wheel 13 and the rear wheel 15 are provided at the lower portion to move forward and backward depending on whether the driving motor is operated.

The above-described motor is a chargeable electric motor is used and is installed inside the front or rear of the main body 10. And it is connected to an external power source and charged for use. Such a motor is the same as the electric motor used in the electric wheelchair according to the prior art, and further detailed description will be omitted for the sake of brevity.

In addition, the aforementioned seat 11 is made of a saddle 11a seated by a passenger and a backrest 11b leaning against a back, and a seat belt 11c for protecting the safety of the passenger is provided. In addition, the front panel of the main body 10 is provided with an instrument panel 17 so that the running speed of the main body 10 and the state of charge of the motor can be confirmed, and a key insertion port or a start button 19 for controlling the driving start of the motor It is equipped. It is preferable that the key insertion hole or the start button 19 is located near the seat 11 so that the auxiliary occupant can operate even when standing on the footrest 20.

In addition, although not shown, a windproof member made of a transparent material may be installed on the front surface of the main body 10 so as to secure a safe view of the occupant during operation. In addition, in one embodiment of the disclosed content, it is assumed that two front wheels 13 and two rear wheels 15 are provided, but only one front wheel 13 may be provided.

The aforementioned front wheel 13 and the motor are electrically connected to the handle 30 to be described later. This is to allow the front wheel 13 to be angle-adjusted according to whether the handle 30 is operated, and whether the motor is driven to control the forward, reverse, and driving directions of the main body 10 accordingly. In one embodiment of the disclosed contents, it is assumed that the direction of the main body 10 is changed by the front wheel 13 in consideration of the position located at the rear of the main body 10 of the scaffold 20 to be described later, but the rear wheel as necessary. It may be designed so that the direction change is made by (15).

Since the electric connection of the front wheel 13 and the motor and the handle 30 and operation control thereof are techniques applied to a known moving cart such as an electric scooter and an electric wheelchair, further detailed description will be omitted for the sake of brevity of the specification. .

Next, referring to FIG. 2, the footrest 20 is rotatably provided at the rear lower side of the above-described main body 10. This scaffold 20 serves to enable the auxiliary occupant to climb. The stool 20 is installed to be rotatable at the rear of the main body 10, and is installed vertically at both ends of the plate 21, and the auxiliary rider is stepped on, so that the auxiliary rider's feet do not fall to the side during driving. It is installed under the protective panel 23 and the plate 21 to protect, and it comes into contact with the ground and includes an auxiliary wheel 25 that is rotated and angled according to the travel of the main body 10. It is rotated or assisted vertically for storage. It is rotated horizontally so that the occupant can climb.

Such rotation control of the footrest 20 is provided with a spring (not shown) so that the footrest 20 is elastically biased in the vertical direction, so that when an auxiliary occupant does not board, it is always stored in a vertically rotated state and the auxiliary occupant When it is forced to rise, it is rotated horizontally by the weight. In addition to this, an angle adjusting means capable of angle adjustment is provided on one side of the plate 21 so that the position of the plate 21 is fixed in a rotated state.

In addition, although not shown, in addition to the protection panel 23, a seat belt for an assisting occupant that is fastened and fixed to a body part such as a waist or lower body of the assisting occupant may be further provided to protect the assisting occupant while driving.

Next, referring to FIG. 3, handles 30 are respectively rotatably provided on both upper and rear sides of the aforementioned main body 10. The handle 30 is selectively rotated toward the occupant or the auxiliary occupant, and serves to enable the occupant or the auxiliary occupant to control the driving of the main body 10.

That is, the above-described handle 30 is rotated in the horizontal direction so as to be located on both sides of the saddle 11a of the seat 11, the front end of the body 10 in a state where both ends are held by the occupants seated in the seat 11, The reverse and driving directions can be controlled. In addition, the front, rear and driving directions of the main body 10 are controlled in a state in which both ends are gripped by an auxiliary occupant who is rotated in the vertical direction so as to be located on both sides of the backrest 11b of the seat 11 and climbs on the footrest 20. It can be done.

Controlling the forward, backward and traveling directions of the main body 10 through the handle 30 is made by the first lever 33 and the second lever 35 which are rotatably provided at the ends of the handles 30 on both sides. The first lever 33 and the second lever 35 are installed on the pivoting part 31 which can be rotated at an angle of 90 degrees at the ends of the handles 30 on both sides. The rotation part 31 serves to enable the first lever 33 and the second lever 35 to be always positioned in a predetermined direction when the handle 30 is rotated in the vertical or horizontal direction. For example, if the first lever 33 and the second lever 35 are rotated within an angle range of 180 degrees within 9 o'clock to 3 o'clock when the handle 30 is rotated in the horizontal direction, the handle 30 is rotated vertically. When the pivoting part 31 is rotated at an angle of 90 degrees, the first lever 33 and the second lever 35 are rotated within the same angular range even when the handle 30 is rotated in the vertical direction. At this time, it is preferable that a separate mark is printed on the handle 30 so that it can be confirmed by the occupant or the auxiliary occupant whether the rotational state of the pivoting part 31 is normal. That is, when the reference point is displayed on the rotating part 31 and the rider driving and the auxiliary rider driving phrases are printed on the handle 30 and the handle 30 is rotated in the horizontal direction, the reference point is positioned on the rider driving phrase and the handle 30 ) Is rotated in the vertical direction, the reference point should be placed on the auxiliary passenger's driving phrase.

The first lever 33 is provided to the front, rear rotation and left and right movement to the end of the above-described one side rotation unit 31, the second lever 35 is transmitted to the end of the other rotation unit (31) , It is provided to enable rear rotation.

Referring to FIG. 4A, the first lever 33 described above is advanced while the main body 10 is accelerated to 6 km / h by the rotation angle during the forward rotation. In addition, referring to FIG. 4B, the body 10 is reversed while being accelerated within 2 km / h by the rotation angle during the rear rotation. In addition, referring to FIG. 4C, when moving to the left, the body 10 is turned to the left, and when moving to the right, the body 10 is turned to the right.

Referring to 4d, the second lever 35 is further accelerated within 9 km / h when the first lever 33 is rotated forward as much as possible while simultaneously rotating forward. And although not shown, the rotation and fixing of the handle 30 is controlled when the second lever 35 is rotated to the rear as much as possible. That is, when the second lever 35 is rotated to the rear as much as possible, the handle 30 can be rotated freely, and when the second lever 35 in the rotated position is returned to the original position, the handle 30 is fixed at the currently rotated angle. do.

Next, referring to FIG. 4E, a first button 33a is provided at an end of the aforementioned first lever 33 to generate a horn when pressing the first button 33a, and the second lever 35 The second button 35a is provided at the end of the current speed of the main body 10 is maintained depending on whether the second button 35a is pressed. In addition, referring to FIG. 4F, the second lever 35 is provided with the same brake 35b provided on the bicycle or motorcycle handle 30 to reduce or stop the speed of the main body 10 while driving. At this time, it is assumed that the brake 35b is located together in the rotation part 31 in which the second lever 35 is located.

Hereinafter, the entire method of using the electric wheelchair 1 equipped with the auxiliary passenger seat according to an embodiment of the disclosed contents will be described in detail with reference to FIGS. 5 and 6.

First, referring to FIG. 5, the occupant sits on the seat 11 and fastens the seat belt 11c. Then, the steering wheel 30 is rotated in a horizontal direction so that it is located on both sides of the seat 11 saddle 11a. At this time, it is checked whether the reference point of the rotating part 31 is located in the phrase “passenger driving” of the steering wheel 30. . Then, the occupant starts driving the motor and controls the driving of the main body 10 by operating the first lever 33 and the second lever 35.

Next, referring to FIG. 6, the occupant sits on the seat 11 and fastens the seat belt 11c, and the auxiliary occupant rotates the footrest 20 in the horizontal direction to climb on it. Then, the steering wheel 30 is rotated in the horizontal direction so that it is located on both sides of the backrest 11b of the seat 11, wherein the reference point of the pivoting part 31 is located in the phrase “secondary rider driving” of the steering wheel 30 do. Then, the auxiliary occupant starts driving the motor and controls the driving of the main body 10 by operating the first lever 33 and the second lever 35.

According to the electric wheelchair provided with the auxiliary passenger seat as described above, a footrest on which the auxiliary passenger can climb is provided at the rear of the main body so that the auxiliary passenger can move together, and the handle is rotated in the direction of the passenger or the auxiliary passenger. The driving can be controlled by the occupant or the auxiliary occupant according to whether the steering wheel is rotated.

The disclosed contents are only examples, and the technical scope of the disclosed contents can be variously changed by those skilled in the art without departing from the gist of the claims claimed in the claims, and thus the scope of protection of the disclosed contents is specified above. It is not limited to the example.

1: Electric wheelchair with auxiliary passenger seat
10: main body
11: seat
11a: Saddle
11b: backrest
11c: Seat belt
13: front wheel
15: rear wheel
17: instrument panel
19: start button
20: scaffolding
21: Plate
23: Protection panel
25: auxiliary wheel
30: handle
31: Hoedongbu
33: first lever
33a: 1st button
35: second lever
35a: second button
35b: Brake

Claims (10)

The main body is provided with a driveable motor inside, a seat for occupants seated at the rear, and a front wheel and a rear wheel are provided at the bottom to move forward and backward depending on whether the drive motor is operated;
A scaffold that is rotatably provided at the rear lower side of the main body and rotated in a vertical direction for storage or rotated in a horizontal direction so that an auxiliary occupant can climb; And
It is provided to be rotatable on both sides of the rear upper portion of the main body, and is rotated in the horizontal direction so as to be located on both sides of the saddle of the seat, so that both ends are gripped by the occupants seated in the seat, the forward, reverse and running directions of the main body. The handle to be controlled, or to be rotated in the vertical direction so as to be located on both sides of the backrest of the seat, the front, back, and driving directions of the main body are controlled while the both ends are gripped by an auxiliary occupant who climbs the scaffold. Electric wheelchair with auxiliary seating.
The method according to claim 1,
The front wheel and the motor are electrically connected to the handle, and an electric wheelchair equipped with an auxiliary passenger seat is characterized in that angle adjustment and driving control are performed according to whether the handle is operated, so that the front, rear and driving directions of the main body are controlled.
The method according to claim 2,
The scaffolding is installed on the rear of the main body to be rotatable, and is provided on a plate on which an auxiliary occupant steps on and rises, and is provided at both ends of the plate in a vertical direction to protect the auxiliary occupant's feet from falling to the side during driving and the bottom of the plate. An electric wheelchair equipped with an auxiliary passenger seat, which is installed and is in contact with the ground and includes an auxiliary wheel that is rotated and angled according to the driving of the main body.
The method according to claim 3,
An electric wheelchair equipped with an auxiliary passenger seat, characterized in that a pivoting part capable of rotating at an angle of 90 degrees is provided at the ends of the handles to be positioned in a certain direction when the handles are rotated vertically or horizontally.

The method according to claim 4,
At one end of the pivoting part, first levers that are moved forward, backward and left and right are provided for driving control of the main body, and at the end of the other pivoting part, front and rear pivots are performed for driving control of the main body. Electric wheelchair with an auxiliary passenger seat, characterized in that the second lever is provided.
The method according to claim 4,
The first lever is advanced while the main body is accelerated to 6 km / h by the rotation angle when it is rotated forward, and is reversed while the main body is accelerated within 2 km / h by the rotation angle when it is rotated backward, and the main body is moved when it is moved to the left. Electric wheelchair equipped with an auxiliary passenger seat, characterized in that the body is turned to the right when it is turned to the left and moved to the right.
The method according to claim 5,
The second lever is characterized in that the main body is accelerated within 9 km / h when the first lever is rotated forward and at the same time, and the rotation and fixation of the handle are controlled when rotated rearward as much as possible. Electric wheelchair with auxiliary passenger seat.
The method according to claim 6,
An electric wheelchair equipped with an auxiliary passenger seat, characterized in that a first button is provided at an end of the first lever and a horn is generated when the first button is pressed.
The method according to claim 7,
An electric wheelchair equipped with an auxiliary passenger seat, characterized in that a second button is provided at an end of the second lever to maintain the current speed of the main body according to whether the second button is pressed.
The method according to claim 8,
The second lever is an electric wheelchair with an auxiliary passenger seat, characterized in that a brake is provided.

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