KR20220010641A - Self Safe braking motor-driven elderly walking assist device - Google Patents

Abstract

The present invention relates to a self-safety braking motor-driven walking assistant device for the elderly, in which according to a user's walking pattern, safety braking can be performed and a power assistant speed for assisting walking can be adjusted in real-time so as to maximize the safety of walking. To this end, the self-safety braking motor-driven walking assistant device for the elderly comprises: a main body frame with a walking space formed therein so that a user can enter; a plurality of moving wheels axially coupled to the bottom surface of the main frame to be able to rotate; and a power means which receives power controlled through a control means for controlling power of a power supply unit and generates a rotational force so that a rotational force is selectively applied to a selected moving wheel among the moving wheels. The power means includes: a motor configured to receive power through the control of the control means and generate rotational power; and a power transmission member configured to transmit the rotational force generated by the motor to the moving wheels. The power transmission member is configured to implement irreversible power transmission that rotates forward and backward only when the rotational force of the motor is transmitted.

Description

Self Safe braking motor-driven elderly walking assist device

The present invention relates to a walking assistance device for the elderly designed to assist the elderly in walking, and more particularly, to assist in walking through power, and in particular, to assist in walking as well as safety braking in real time according to the user's gait pattern. It relates to a self-safety braking electric motor-driven walking assistance device for the elderly and infirm, which is capable of adjusting the speed of power assistance to maximize the safety of walking.

As the aging population rapidly increases in recent years, it is expected to reach a super-aged society soon. Accordingly, the demand for walking aids is increasing mainly among the elderly.

That is, in many cases, the weak and those who have limited range of activity due to a decrease in muscle strength, who need rehabilitation of lower body muscles, or who are unable to walk independently due to temporary diseases or accidents, need to use an assistive device to move them.

The conventional walking aid is used by the elderly or the physically handicapped with uncomfortable lower body, and is configured to form a support frame so that a user who has difficulty walking can rely on it, and a rolling wheel is installed in the lower part of the orthosis to help walking. .

However, such a conventional walking aid has a disadvantage that it cannot be easily used by a user who has the will to walk but whose muscles are weakened, because it moves by pure human power as well as the direction change is mechanical. In the case of a walking aid with a rolling wheel installed on the lower part of the vehicle, although it can be moved with little force, its speed cannot be controlled depending on road conditions such as downhill or uphill, so user safety cannot be guaranteed.

Accordingly, in recent years, walking aids have been proposed in order to prevent a safety accident that occurs when a walker descends with a large acceleration on a downhill road by additionally installing a braking device on one side of the wheel.

In Korean Patent Application No. 10-2009-0122383 (name: Electric walking aid/2009.12.10.), as is known in the publication, a pair of rotatably coupled to the lower end of the mounting frame forming the basic frame drive wheel; a first driving motor mounted on the mounting frame and generating a driving force for driving one driving wheel among the pair of driving wheels; a driving unit having two driving motors; and a handle control unit provided on the mounting frame and selectively driving the first driving motor and the second driving motor to control forward and backward movement and rotational movement by rotation of a pair of driving wheels; a walking aid comprising a base material has been

And, in Korean Patent Application No. 10-2010-0100319 (name: electric walking aid for wheelchair use / 2010.10.14.), as known in the publication, a caster and a manual brake for controlling the rolling motion of the caster A walking frame including a plurality of handle parts provided with, and a seat part and a rotatable backrest part so as to be used as a chair when unfolded as a shelf (rest chair in walking mode) when folded; a manipulation unit provided on the plurality of handle units and configured to select a use mode of the walking aid as an electric automatic mode, an electric manual mode, or a manual mode, as well as change a speed according to the use of the walking aid; a walking safety unit provided on the walking frame and the handle unit and outputting a safety signal according to the running of the walking aid; a driving motor provided integrally with the caster on the rear side and driving on/off according to the use mode selection signal generated from the operation unit as well as the safety signal output from the walking safety unit; and a main controller configured to control on/off driving of the driving motor according to a signal input from the manipulation unit and a safety signal output from the walking safety unit and controlling the speed of the walking aid according to the on driving of the driving motor. A walking aid comprising a.

On the other hand, in Korean Patent Application No. 10-2012-0039507 (name: speed control device for wheelchair-use electric walking aid/2012.04.17.), as is known in the publication, the caster and the rolling motion of the caster are controlled a walking frame including a plurality of handle units provided with a manual brake, and a seat unit and a rotatable backrest to be used as a chair when unfolded as a shelf (rest chair in walking mode) when folded; a manipulation unit provided on the plurality of handle units and configured to select a use mode of the walking aid as an electric automatic mode, an electric manual mode, or a manual mode, as well as change a speed according to the use of the walking aid; a driving motor integrally provided on the rear caster and driving on/off according to a use mode selection signal generated from the manipulation unit; and a speed sensor provided on the rear side caster and configured to sense a speed during driving according to the use mode of the walking aid. a tilt sensor provided at the center of the walking aid and configured to detect a tilt of the walking aid; A signal for controlling the speed of the walking aid according to the on-drive of the driving motor by grasping the road condition such as flat ground, uphill or downhill according to the signal input from the manipulation unit and the detection signal output from the speed detecting unit and the inclination detecting unit a main control unit that outputs a motor driving unit for driving to control the speed of the driving motor according to a speed control signal output from the main control unit; and, when the speed of the walking aid is controlled by the main controller on an uphill or downhill slope, an electronic brake that provides a braking force to the caster of the walking aid according to a control signal output from the main controller to prevent the walking aid from being pushed. A speed control device for a walking aid comprising a.

In addition, in Korean Patent Application No. 10-2008-0104227 (name: Electric Mobility Assistive Device/2008.10.23.), as is known in the Gazette, the elderly with weak lower extremity or lower extremity muscle strength due to disease or unexpected accidents In the movement assisting device for independent walking of people who have difficulty in independent walking due to loss or paralysis, the mobility assisting device is divided into an upper shaft having a handle for independent walking and a lower shaft having moving wheels installed. With a single vertical axis bent in the middle so as to become At the same time, there is described a movement assisting device that assists pedestrians in walking by installing a driving wheel operated by a driving motor on the front side of the main shaft.

Korean Patent Application No. 10-2009-0122383 (2009.12.10.) Korean Patent Application No. 10-2010-0100319 (2010.10.14.) Korean Patent Application No. 10-2012-0039507 (2012.04.17.) Korean Patent Application No. 10-2008-0104227 (October 23, 2008)

However, the conventional walking assistance devices as described above have a problem in that productivity is lowered due to structural complexity.

In addition, according to the user's walking pattern, safety braking as well as the power assist speed for assisting walking cannot be stably performed in real time, so there is a problem in that walking safety is deteriorated.

The present invention has been proposed to solve the problems of the prior art, and an object of the present invention is to provide economically due to structurally simple and high production efficiency, as well as rotation in real time according to the user's gait pattern. It is possible to adjust the speed of the power assist that assists walking by realizing the speed. In particular, it is possible to secure the safety of braking through an irreversible transmission process of rotational force to maximize safety. it is in

In accordance with the present invention for achieving the object of the present invention as described above, there is provided a self-safety braking motor-driven walking assistance device for the elderly, comprising: a body frame having a walking space inside which a user enters and exits; a plurality of moving wheels rotatably shaft-coupled to the lower surface of the body frame; Self-safety braking motor drive comprising a; power means configured to receive power controlled through a control means configured to control the power supply of the power supply unit and generate rotational force to selectively apply rotational force to a selected moving wheel among the moving wheels In the elderly walking assistance device; The power means includes: a motor configured to receive power through the control of the control means to generate rotational force; a power transmission member configured to transmit the rotational force generated by the motor to the moving wheel; The power transmission member is characterized in that it is configured to implement an irreversible power transmission that rotates forward and reverse only when the rotational force of the motor is transmitted.

The power transmission member includes: a flat gear shaft-coupled to the shaft of the moving wheel to rotate in the same direction; When it is bound to the rotation shaft of the motor and rotates in the same direction, the worm gear is combined with the flat gear.

It is characterized in that it further comprises a; one end is pivotally coupled to the body frame so as to be folded and unfolded and folded in the walking space so that it can be applied as a seat.

It is characterized in that a potentiometer is provided on the handle portion of the body frame to adjust the rotational speed generated by the power means by the user.

and a gait detection means provided in the body frame and configured to sense the gait speed of the user's legs walking in the gait space in real time and transmit the gait pattern data of the user to the control means; characterized in that it further comprises .

The self-safety braking motor driven elderly walking assistance device according to the present invention made as described above has the following effects,

First, the presence or absence of the user's acceptance in the walking space is detected through the potentiometer provided on the handle in the body frame, and the power supplied to the power means is precisely supplied by the resistance value of the potentiometer controlled by the user. By precisely adjusting the rotation speed generated by the control, it has the effect of realizing the walking assistance rotation force desired by the user.

Second, it is possible to secure calculation data according to the data set in the control means by detecting the presence or absence of a pedestrian detected through the walking detecting means and the user's walking intention detected through the potentiometer. That is, when the position value of the pedestrian is not detected by the walking sensing means in a state in which the potentiometer detects the user's contact value (contact between the user and the potentiometer), a pedestrian crisis situation (such as a pedestrian's fall, etc.) safety accident) and realizes a control state to stop the power supply to the power means, thereby maximizing safety.

Third, the gait pattern of the pedestrian in the gait sensing means is detected in real time, and the rotational force generated from the power means is controlled and adjusted according to the calculation of the data set in the control means to tailor the power assist speed to assist the user's gait. This has the effect of improving the quality of walking assistance.

Fourth, according to the irreversible power rotation of the moving wheel through the power transmission member, by preventing the moving wheel from idling, the braking state is solidified, thus realizing the safety of braking, as well as improving the production efficiency due to structural simplicity It has an effect that can be provided economically.

1 is a schematic side view showing a self-safety braking motor driven elderly walking assistance device according to an embodiment of the present invention.
Figure 2 is a schematic front view showing a self-safety braking motor driven elderly walking assistance device according to the present embodiment.
3 is a schematic exemplary view showing a state of use of the self-safety braking motor driven elderly walking assistance device according to the present embodiment.
Figure 4 is a partial excerpt schematic illustration showing the power transmission member constituting the power means applied to the self-safety braking electric motor driving the elderly walking assistance device according to the present embodiment.
5 is a schematic exemplary view showing the operation display means constituting the self-safety braking motor driving the elderly walking assistance device according to the present embodiment.
6 is a schematic exemplary view showing a walking sensing means constituting a self-safety braking motor driven elderly walking assistance device according to the present embodiment.
7 is a schematic exemplary view showing a control state for explaining the self-safety braking motor driving elderly walking assistance device according to the first embodiment of the present invention.
8 is a schematic exemplary view showing a control state for explaining a self-safety braking electric motor driving elderly walking assistance device according to a second embodiment of the present invention.
9 is a flowchart for explaining a driving method of a self-safety braking motor driven elderly walking assistance device according to the present embodiment.

Hereinafter, with reference to the accompanying drawings, a self-safety braking motor driven elderly walking assistance device according to a preferred embodiment of the present invention will be described in detail as follows.

Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shapes of elements in the drawings may be exaggerated to emphasize a clearer description. It should be noted that the same members in each drawing are sometimes shown with the same reference numerals. Detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the gist of the present invention will be omitted.

1 to 7 are views showing a self-safety braking motor driven elderly walking assistance device 1 according to an embodiment according to the present invention, and a self-safety braking motor driving elderly walking assistance device 1 according to this embodiment. is, a body frame (2) having a walking space (A) inside which the user enters and exits from the user; A plurality of moving wheels (3) rotatably shaft-coupled to the bottom surface of the body frame (2) and; By receiving controlled power through the control means (4) to control the power of the power supply unit (41) and generating a rotational force, the rotational force is selectively applied to the selected moving wheel (3) among the moving wheels (3) Power means (5); is made including.

That is, after the user (the elderly) is located in the walking space (A) of the body frame (2), according to the user's selection, the power supply is supplied by the control through the control means (4), the power means When the rotational force is generated in (5) and the moving wheel 3 is rotated, the main frame 2 forms a driving force according to the rotation of the moving wheel 3 .

Accordingly, it is located in the walking space (A) of the body frame (2) and assists the walking of the user who supports the body frame (2), so that a smooth walking is achieved.

' 형상으로 이루어져, 내측에 사용자가 출입하도록 일측이 개방된 상기 보행공간(A)을 형성하게 될 수 있고; 상기 수평프레임(22)의 일부위에 사용자가 손으로 잡고 지지하도록 된 '손잡이부'가 구비될 수 있는 것으로; 사용자의 선택에 따라 적용되는 것이 바람직하다.In the above body frame (2), a plurality of vertical frames having a vertical length with respect to the floor (21) and; A plurality of horizontal frames 22 coupled while horizontally connecting the vertical frames 21; may include; The horizontal frames 22 are '

' shape, so that the walking space (A) with one side open for the user to enter and exit can be formed on the inside; As a part of the horizontal frame 22, a 'handle part' designed to be supported by a user's hand may be provided; It is preferably applied according to the user's selection.

In the above, the vertical frames 21 may have a structure whose height is adjusted, respectively; It may be made of a structure applied to a conventionally known technical paper, and it is preferably applied according to the user's selection.

The body frame 2 in the above, may be provided with a harness (H) (H) to support the user's buttocks to assist the user to perform a stable gait without falling while walking.

That is, stability can be realized by connecting and fixing the user's buttocks to the user and the body frame 2 through the highness (H) during use.

In the above, the moving wheel 3 may be axially coupled to a position of the corner of the walking space A in the body frame 2 to be idling; It is preferable to be provided at each of the four corners in the walking space (A).

In addition, the moving wheel 3 to which the power means 5 is bound may be composed of two moving wheels 3 disposed in the front side direction in the body frame 2, the user's choice It is preferable to apply accordingly.

Accordingly, the two moving wheels (3) disposed on the front side of the main frame (2) are composed of 'driving wheels' having driving force by power; The two moving wheels 3 disposed on the rear side of the body frame 2 may be composed of 'driven wheels' that support the body frame 2 with respect to the floor while idling; It is preferably applied according to the user's selection.

In the above, the power supply unit 41 is provided in the body frame 2 and may be made of a 'battery' that can be 'charged' by receiving power from the outside; It is preferably applied according to the user's selection.

In the self-safety braking motor driving elderly walking assistance device 1 according to this embodiment, the power means 5 is a motor that receives power through the control of the control means 4 to generate rotational force ( 51) and; and a power transmission member 52 configured to transmit the rotational force generated by the motor 51 to the moving wheel 3 .

That is, the rotational force generated by the motor 51 is transmitted to the moving wheel 3 through the power transmission member 52 to form a driving force for the body frame 2 .

In the self-safety braking motor driving elderly walking assistance device 1 according to the present embodiment made as described above, the power transmission member 52 is an 'irreversible power transmission that rotates forward and reverse only when the rotational force of the motor 51 is transmitted. ' to be implemented.

That is, according to 'irreversible power transmission' of the moving wheel 3 through the power transmitting member 52, the moving wheel 3 is prevented from idling without permission.

Accordingly, the braking state with respect to the moving wheels 3 is secured, and thus the safety of braking is realized.

In the above, the power transmission member 52, as shown in FIG. 4, is shaft-bound to the shaft of the moving wheel 3 and rotates in the same direction with a flat gear 521; When it is bound to the rotation shaft of the motor 51 and rotates in the same direction, the worm gear 522 coupled with the flat gear 521 and the worm gear 522 may be included.

That is, while the flat gear 521 rotates by the rotational force of the worm gear 522, the moving wheel 3 is rotated; Even when idling pressure is applied to the moving wheel 3 , the flat gear 521 is braked by the worm gear 522 to prevent endless rotation, thereby stably braking.

In addition, even if a separate braking device and structures are not provided, by implementing safe braking, it is possible to provide economically by increasing productivity through structural simplification.

In the above-mentioned body frame 2, according to the user's selection, the control of the power in the control means 4 (power supply to the power means, power control and power supply interruption) is selectively performed, and the driving state is displayed. An operation display means 42 configured to be displayed externally; may be provided.

That is, the user selectively manipulates the manipulation display means 42 to control the driving of the power means 5 to selectively manipulate the rotational force that assists walking, as well as the driving state according to the manipulated state to the outside. is displayed as

In the above operation display means 42, as shown in Fig. 5, the power supply data for starting the power supply to the motor 51 to be provided including a 'switch' to transmit to the control means (4) can; a 'speed operation switch' configured to selectively operate the 'high speed state' and the 'low speed state' by manipulating the number of revolutions generated by the motor 51 may be included and provided; An 'emergency braking switch (emergency braking)' is included to stop the power supply from the control means 4 as needed by the user, so that it can be suddenly braked when necessary, which is applied according to the user's selection it is preferable

In addition, the operation display means 42 may be provided with separate 'display members' to display the driving state of the power means 5 to the outside; The 'display members' may include 'display devices' that are recognized by the naked eye and 'sound devices' that are recognized with the auditory sense, and are preferably applied according to a user's selection.

The self-safety braking motor-driven elderly walking assistance device 1 according to the present embodiment configured as described above has one end pivotally coupled to the body frame 2 so that it can be folded and unfolded and folded in the walking space A. It can be made to include; a seat (6) that can be applied as a seat.

That is, when the body frame 2 is traveling, the seat 6 is folded to secure a space for the user to walk stably in the walking space A, and when necessary, the traveling of the body frame 2 is stopped. After that, the pedestal 6 is unfolded to form a space where the user can sit and rest in the walking space A; The quality of use is improved.

In the self-safety braking motor driving elderly walking assistance device 1 according to the present embodiment made as described above, the rotation speed generated by the power means 5 by the user is applied to the 'handle part' of the body frame 2 A potentiometer 7 adapted to adjust is provided.

That is, through the potentiometer 7 , the user recognizes the state in which the user holds and supports the 'handle part' by hand, and the user controls the horizontal movement distance of the potentiometer 7 through It may be configured to precisely control the running speed of the moving wheel 3 desired by the user.

At this time, the user detects the 'supported state' of the body frame 2 through the potentiometer 7 provided in the 'handle part' of the body frame 2, and the 'unsupported state' In this case, by blocking the power supply and preventing the body frame 2 from traveling without permission, it is possible to control to ensure safety.

In addition, the rotation speed generated by precisely controlling the power supplied to the power means 5 through the 'rotation value' of the potentiometer 7 controlled by the user is precisely adjusted.

In this case, as the precise speed for each 'high speed state' and 'low speed state' is adjusted through the operation of the 'speed operation switch' of the operation display means 42, the user's desired walking assistance rotational force is realized. do.

The self-safety braking motor driven elderly walking assistance device 1 according to the present embodiment made as described above is provided in the body frame 2 as shown in FIG. 6 and is provided on the legs of the user walking in the walking space A A plurality of gait detection means (8) configured to sense the walking speed and state of (10) in real time and transmit the user's 'walking pattern data' to the control means (4); is made to further include.

That is, the gait pattern of the pedestrian is detected in real time through the 'walking presence' and 'walking speed pattern data' of the pedestrian detected through the walking detection means 8, and the data set by the control means 4 is calculated. Accordingly, the rotational force generated by the power means 5 is controlled and adjusted to control the power assist speed for assisting the walking of the user.

Accordingly, the quality of the walking assistance is improved, and it is possible to prevent the high-speed running of the walking assistance device 1 due to an inexperienced operation and malfunction of the potentiometer 7 that may occur.

In the above, the walking sensing means 8 is located in the lower portion of the walking space A in the horizontal frames 22 constituting the body frame 2, and a pair of the horizontal frames 22 facing each other ), respectively, provided on the surfaces facing each other, and may be provided with a plurality of 'ultrasonic sensors' that are respectively disposed to detect the user's operating state when there is a gap between them in the longitudinal direction of the horizontal frames 22.

That is, if each 'detection time state' for the user detected by the 'ultrasonic sensors' is calculated based on the data set by the control means 4, the user's 'walking speed (gait intention)' can be detected.

On the other hand, the self-safety braking motor driven elderly walking assistance device 1 according to this embodiment detects the user's 'will to walk' detected through the walking sensing means 8 and the potentiometer 7, and It is possible to secure operation data according to the data set in the control means (4).

That is, when the position value of the pedestrian in the walking detecting means 8 is not detected in the state where the potentiometer 7 detects the user's contact value (contact between the user and the potentiometer), the pedestrian's By calculating a crisis situation (a safety accident such as a fall of a pedestrian), it is possible to implement a control state in which the power supply to the power means 5 is stopped.

Accordingly, safety can be maximized.

8 is a schematic exemplary view showing a control state for explaining the self-safety braking motor driving elderly walking assistance device according to the second embodiment of the present invention.

The control state for explaining the self-safety braking motor-driven walking assistance device for the elderly according to the second embodiment of the present invention is shown in FIG. and the memory unit 11 are added, the communication unit 9 is for transmitting the driving of the self-safety braking motor driving the elderly walking aid device to the smart phone of the manager or guardian or the server of the hospital or rehabilitation center, the walking aid device Allow the manager or guardian to know the amount of exercise exercised and the duration of exercise. The communication unit 9 may use Wi-Fi or Bluetooth communication, and the memory unit 11 stores the amount of exercise and exercise time from when the power of the walking assistance device is turned on to when the power is turned off, and the memory unit 11 when the power is turned off. The data stored in the communicator 9 may be transmitted to a preset manager or guardian's smart phone or a server of a hospital or rehabilitation center in a Wi-Fi or Bluetooth manner through the communication unit 9 . In addition, it can be used to check the current state (battery amount, etc.) by a manager or guardian accessing the communication unit 9 of the walking assistance device through a smart phone. Of course, for this purpose, a separate app is installed on the smartphone.

9 is a flowchart for explaining a driving method of the self-safety braking motor driven elderly walking assistance device according to the present embodiment.

As shown in FIG. 9, the operation method of the self-safety braking motor-driven walking assistance device for the elderly according to this embodiment is turned on through the main switch of the walking assistance device (S100), the elderly or the infirm using the walking assistance device. Since it is intended for rehabilitation exercise, the control means checks the charge amount of the power supply in advance, determines whether or not the rehabilitation training time using the remaining battery is the minimum running time, outputs it through a display device or an audio device, and if the battery is insufficient, the communication unit Through the to request charging to the smart phone of the manager or guardian (S110). Of course, it is possible to guide cautions during driving, how to stop in an emergency, how to use the pedestal, and the like through the display device and the sound device.

On the other hand, if the amount of charge is sufficient, the control means outputs to the user through the display device or the sound device to walk through the potentiometer operation through the display device or the sound device (S120). Then, the user performs rehabilitation training through the walking assistance device.

And the control means determines whether an event occurs (S130).

When an event occurs and the operation angle of the potentiometer is manipulated as a result of the judgment, the control means turns the moving wheel at a preset number of revolutions through the power means according to the user's speed operation switch (low speed, high speed) and the operation angle of the potentiometer. rotate, and the movement of the user's leg is detected through the ultrasonic sensor (S140).

And it is determined whether the walking speed according to the detected movement of the user's leg matches the speed of the moving wheel driven according to the potentiometer operation within the preset walking speed pattern data and the set range, and accordingly, the power to continue walking Power is supplied to the means or the power supply of the power means is cut off (S150). In other words, if it is within the range, power is supplied to the power means because normal rehabilitation is continuing. Otherwise, if it is outside the preset range, the power means is stopped because an abnormality has occurred during the rehabilitation training to ensure the safety of the user.

In addition, when the main switch is turned off, the control means transmits the operation start and end of the user's walking assistance device and the walking pattern stored in the memory unit to the smart phone of the manager (guardian) through the communication unit (S160).

Meanwhile, as a result of the determination ( S130 ), when the user presses the emergency braking switch, the operation of the walking assistance device is stopped and the main switch is automatically turned off at one end so that other operations are stopped ( S170 ).

One embodiment of the present invention described above is merely exemplary, and those of ordinary skill in the art to which the present invention pertains will appreciate that various modifications and equivalent other embodiments are possible therefrom. . Therefore, it will be well understood that the present invention is not limited to the form mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. Moreover, it is to be understood that the present invention covers all modifications, equivalents and substitutions falling within the spirit and scope of the invention as defined by the appended claims.

1: walking aid 10: user's leg
2: body frame 21: vertical frame
22: horizontal frame 3: moving wheel
4: control means 41: power supply
42: operation display means 5: power means
51: motor 52: power transmission member
521: flat gear 522: warm gear
6: pedestal 7: potentiometer
8: walking detection means 9: communication unit
11: memory unit A: walking space
H : Harness

Claims (5)

a body frame having a walking space inside which a user enters and exits; a plurality of moving wheels rotatably shaft-coupled to the bottom surface of the body frame; Self-safety braking motor drive comprising a; power means configured to receive power controlled through a control means configured to control the power supply of the power supply unit and generate rotational force to selectively apply rotational force to a selected moving wheel among the moving wheels In the elderly walking assistance device;
The power means,
a motor configured to receive power through the control of the control means to generate rotational force; a power transmission member configured to transmit the rotational force generated by the motor to the moving wheel;
The power transmission member,
Self-safety braking motor driven elderly walking assistance device, characterized in that it implements irreversible power transmission that rotates forward and reverse only when the rotational force of the motor is transmitted. The method of claim 1 ;
The power transmission member,
a flat gear which is shaft-coupled to the shaft of the moving wheel and rotates in the same direction; Self-safety braking motor driven elderly walking assistance device, characterized in that it comprises a; when it is bound to the rotation shaft of the motor and rotates in the same direction, the flat gear and the worm gear are combined. The method of claim 1 ;
Self-safety braking motor driven elderly walking assistance device, characterized in that it further comprises a; one end is pivotally coupled to the body frame so that it can be folded and unfolded in the walking space so that it can be applied as a seat. The method of claim 1 ;
In the handle portion of the body frame,
Self-safety braking motor driven elderly walking assistance device, characterized in that provided with a potentiometer to adjust the rotational speed generated by the power means by the user. The method of claim 1 ;
and a gait detection means provided in the body frame and configured to sense the gait speed and state of the user's legs walking in the gait space in real time and transmit the gait pattern data of the user to the control means; characterized in that it further comprises Self-safety braking motor driven walking assistance device for the elderly.

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