KR20230105911A - Wheel chair treadmill having safety apparatus - Google Patents

Abstract

The present invention provides a wheelchair treadmill having a safety device in which an electric circuit for driving the treadmill includes a power source, a switch, a noise filter, a transformer, an inverter, a monitor, a drive motor, and an incline. The transformer sends a constant voltage to the inverter. The inverter supplies power to the drive motor, the incline, and the monitor. A user inputs parameter values to the monitor to give a driving instruction, and the incline operates according to the driving instruction, or the running belt of the treadmill rotates as the driving motor rotates. Trap side safety bars are installed in parallel on both sides of a footrest, and a user seated in a wheelchair climbs on the wheelchair treadmill using an inclined trap, then fixates the clamp on the front to the wheelchair footrest according to a left/right width, and then operates the monitor. According to the present invention, an emergency button is installed to quickly stop the treadmill in an emergency state, thereby enabling safe training.

Description

Wheelchair treadmill having safety apparatus {Wheel chair treadmill having safety apparatus}

The present invention relates to a wheelchair treadmill equipped with a safety device. More specifically, it is a technology related to a wheelchair treadmill equipped with a safety device that allows a wheelchair user to exercise safely.

A wheelchair treadmill is a device that allows a user in a wheelchair to get on the wheelchair treadmill using an inclined trap, fix the front clamps to the wheelchair footrests according to the left and right widths, and operate the monitor to input the appropriate speed.

In general, wheelchair treadmills are used to improve aerobic exercise and cardiorespiratory endurance of physically handicapped people using manual wheelchairs and professional athletes using competitive wheelchairs. The prior art for such a wheelchair treadmill has already been disclosed by Korean Utility Model Registration No. 20-0312995 "Treadmill for the Disabled". The registration design is characterized in that a disabled person riding in a wheelchair can exercise by rotating a wheel of the wheelchair by hand on a rotating running belt. However, in the conventional wheelchair treadmill, when the occupant exercising on the upper part of the running belt cannot overcome the speed of the running belt, the wheelchair may be separated from the treadmill and cause injury to the occupant. Accordingly, in the conventional wheelchair treadmill, a protective wall is installed on the wheelchair treadmill to prevent separation of the wheelchair.

As a background technology of the present invention, Republic of Korea Patent Registration No. 10-2279271 “Wheelchair safety device and treadmill including the same” (hereinafter referred to as “prior art”) has been disclosed. 1 is a block diagram showing the operation of a prior art treadmill, and FIG. 2 is a mechanical configuration diagram of a prior art treadmill.

1 and 2, in the prior art, the treadmill 10 includes a body 11, and the body 11 forms the outer shape of the treadmill 10, and a power source 13 such as a motor By this, the running belt 14 is rotated. The running belt 14 is positioned above the area where the wheelchair 1 rotates. In addition, the main body 11 may adjust the rotational speed of the running belt 14 and the inclination of the running belt 14 in order to increase the amount of exercise of the occupant on the wheelchair 1.

In addition, the main body 11 is provided with a wheelchair safety device 2. The wheelchair safety device 2 ensures that the posture of the wheelchair 1 is stably maintained even if the occupant of the wheelchair 1 does not overcome the rotational speed of the running belt 14 and the wheelchair 1 is separated from the running belt 14 .

In the prior art, first and second support frames disposed adjacent to the running belt 14 in the rotational direction of the running belt 14 and a guide frame disposed between the first and second support frames and the first It is transported along the guide frame between the first and second support frames, and the posture of the wheelchair (1) when the wheelchair (1) located on the upper part of the running belt (14) is separated from the running belt (14) It consists of a connection unit that maintains and limits the departure distance of the wheelchair (1).

The prior art has only functions as a safety device to prevent the wheelchair user from being separated from the wheelchair treadmill. Explaining the concept for preventing departure in the prior art, it is a structure that simply additionally installs a support frame and connects it to a wheelchair. Since these prior arts have problems in achieving technical stability when actually commercializing them, the possibility of implementing the invention is low.

(Patent 0001) Korean Patent Registration No. 10-2279271 (Patent 0002) Republic of Korea Patent No. 10-2022567 (Patent 0003) Republic of Korea Patent No. 10-2204497

The present invention has been made to solve the problems of the prior art, and an object of the present invention is to provide a wheelchair treadmill equipped with a safety device that guarantees mobility and secures maximum convenience and safety when a wheelchair user uses the treadmill. is in

In the wheelchair treadmill equipped with the safety device of the present invention, the electrical circuit for driving the treadmill is composed of a power supply, a switch, a noise filter, a transformer, an inverter, a monitor, a driving motor and an incline; The transformer sends a constant voltage to the inverter; The inverter supplies power to the drive motor, incline and monitor; The user inputs parameter values into the monitor to give driving instructions, and the incline operates according to the driving instructions, or the running belt of the treadmill rotates while the driving motor rotates; Trap side safety bars are installed in parallel on both sides of the scaffold, and the user riding the wheelchair climbs on the wheelchair treadmill using the inclined trap, and then fixes the front clamp to the wheelchair scaffold by matching the left and right widths, and then operates the monitor). It is characterized by doing.

In addition, the wheelchair treadmill equipped with the safety device of the present invention has side safety bars installed on both sides of the treadmill to maintain the posture of the wheelchair when the wheelchair located above the running belt is separated from the running belt; A rear safety bar is provided at the rear of the treadmill, an emergency stop switch is installed near the side safety bar as a safety device, and a magnetic emergency stop switch is installed next to the monitor.

In addition, in the wheelchair treadmill equipped with the safety device of the present invention, the emergency stop switch is connected to the upper body with a clip by tying a string to the magnet switch, so that when the device deviates from the track, the magnet switch is removed from the device and operated. It is characterized in that it can be stopped, and the monitor is characterized by installing a double bending structure support so that the user can pull it forward, left or right, or change the angle up or down.

In addition, the linear bearing unit is coupled to the support of the gas spring attached to both sides of the clamp of the wheelchair treadmill equipped with the safety device of the present invention, and the wheelchair user consciously decelerates or accelerates the wheelchair speed to the input running belt speed. It is characterized by enabling aerobic exercise.

In addition, two clamp arms for holding the wheelchair from the front in the center of the clamp of the wheelchair treadmill equipped with the safety device of the present invention are fastened to two horizontal rods, and a gas spring coupled to both ends of the two horizontal rods. characterized by

The wheelchair treadmill equipped with the safety device of the present invention is a treadmill for aerobic and upper extremity muscular endurance training for wheelchair users, and has the advantage of enabling low-speed training and adjusting the speed according to the user's physical ability.

In addition, according to the present invention, the difficulty of training can be increased by adjusting the inclination, and an emergency button is installed to quickly stop the treadmill in an emergency, so that training can be performed safely.

In addition, since there is a wheelchair fixing device on the front of the treadmill of the present invention, there is an advantage in that the wheelchair can be stably trained by preventing left and right twisting of the wheelchair during training.

1 is a block diagram showing the operation of a prior art treadmill.
2 is a mechanical configuration diagram of a conventional treadmill.
3 is a treadmill operation system diagram according to an embodiment of the present invention.
4 is a block diagram of a treadmill according to an embodiment of the present invention;
Figure 5 is a side view of the treadmill of Figure 4;
6 is a block diagram of a treadmill safety device according to an embodiment of the present invention.
7 is an electrical circuit diagram of the treadmill of FIG. 3;

Hereinafter, embodiments of the present invention will be described based on the accompanying drawings.

3 is a treadmill operation system diagram according to an embodiment of the present invention, and FIG. 4 is a configuration diagram of a treadmill according to an embodiment of the present invention. 6 is a side view of the treadmill of FIG. 5, and FIG. 6 is a configuration diagram of a treadmill safety device according to an embodiment of the present invention. FIG. 7 is an electrical circuit diagram of the treadmill of FIG. 3 .

3 is a treadmill operation system diagram according to an embodiment of the present invention.

As shown in FIG. 3, the electric circuit 20 for driving the treadmill 100 according to the embodiment of the present invention includes a power source 21, a switch 22, a noise filter 23, a transformer 24, and an inverter. (25), a monitor (26), a drive motor (28) and an incline (29).

When the electric circuit 20 is supplied with power 21 of rated voltage AC220V, 60Hz, the microprocessor automatically checks each circuit, and after setting the exercise time, speed, and direction to be used in the monitor 26, press the start button. When pressed, the drive motor 27 operates according to the adjustment of the microprocessor. At this time, power is transmitted to the poly belt and the rollers connected to the drive motor 27, and the treadmill 100 operates as the running belt connected to the rollers rotates.

The electrical rating according to the embodiment of the present invention is (1) the type and degree of protection against electric shock is a first class B-type device, (2) the rated voltage and frequency are AC220V, 50 ~ 60Hz.

The electric circuit 20 according to the embodiment of the present invention suppresses the generation of noise in the noise filter 23 when power is supplied (220V / 60Hz), the transformer 24 sends a constant voltage to the inverter 25, The inverter 25 supplies power to the drive motor 27, the incline 28, and the monitor 26. After power is supplied in this way, the user inputs a parameter value to the monitor 26 to give a driving instruction, and the incline 28 operates according to the driving instruction, or the driving motor 27 rotates to rotate the treadmill 100. The running belt rotates.

4 is a configuration diagram of a treadmill according to an embodiment of the present invention. Figure 5 is a side view of the treadmill of Figure 4;

In the treadmill according to an embodiment of the present invention, after a user in a wheelchair climbs onto the wheelchair treadmill using an inclined trap, fixes the front clamp to the left and right widths of the wheelchair footrest, operates the monitor, and inputs the appropriate speed. It is an exercise tool.

The wheelchair user must continuously turn the wheel of the wheelchair with the strength of both arms according to the speed of the running belt input during the running exercise on the treadmill 100. However, in all wheelchair users, long-term wheelchair (sedentary) life causes deformation of the spine and upper body skeleton, resulting in an imbalance in muscle strength of the left and right upper limbs. Orientation becomes difficult. In the embodiment of the present invention, this is prevented, and the wheelchair is stably bound as a system as a whole so that the person can maintain the constant speed of the wheelchair.

Linear bearing units 230 are provided on both sides of the clamp 200 so that the system can slide smoothly back and forth. The linear bearing unit 230 is coupled to a support stand to which a gas spring 220 is attached.

In the embodiment of the present invention, the linear bearing unit 230 and the gas spring 220 are coupled to the clamp arm 210 so that the wheelchair user can consciously decelerate or accelerate the wheelchair to perform aerobic exercise at the input speed of the running belt. It is characterized by being

4 and 5, in the treadmill 100 according to the embodiment of the present invention, trapside safety bars 120 are installed in parallel on both sides of the footrest 110, and a wheelchair (not shown) After a user riding a wheelchair climbs onto a wheelchair treadmill using an inclined trap, the clamp 200 at the front is fixed by matching the left and right widths of the wheelchair footrest frame, and then the monitor 170 can be operated.

A user in a wheelchair can move the wheelchair back and forth in direction A.

Side safety bars 160 are installed on both sides of the treadmill to maintain the posture of the wheelchair when the wheelchair located above the running belt is separated from the running belt,

A rear safety bar 130 is provided at the rear of the treadmill, an emergency stop switch 150 is installed near the side safety bar 160 as a safety device, and a magnetic emergency stop switch 180 next to the monitor 170 installed

A technical feature of the present invention is provided with an emergency stop switch (emergency switch).

The emergency stop switch 150 according to the embodiment of the present invention is a button type (Push button), and the emergency stop switch 150 and the magnet switch are tied with a string and connected to the upper body with a clip, etc. It is a magnetic emergency switch that stops operation when the magnet switch falls. That is, it is an emergency stop switch made of a magnet combined with a wire clip. After the operation is finished, a buzzer is sounded to notify the end.

The monitor 170 includes a number board used to input setting values such as time and incline rate, selection buttons for selecting time and incline rate and adjusting the values with up and down buttons, total exercise distance and total calories consumed. , A display that displays the number of laps of the track (400m), a start button used to start an exercise, an exercise time control button, an incline control button, a time indicator, an incline indicator, and a set speed display It consists of a speed indicator that operates, and a stop button that stops the operation of the machine.

6 is a block diagram of a treadmill safety device according to an embodiment of the present invention.

FIG. 6 is an enlarged view of the clamp 200 in the drawing of FIG. 4 . of the present invention

In the embodiment, two clamp arms 210 are attached to hold the wheelchair from the front. The two clamp arms 210 are fastened to two horizontal rods.

The two clamp arms 210 can change positions left and right in the direction B shown in FIG. 6, and lock after positioning. In addition, these two horizontal rods have gas springs 220 installed at both ends, so that the angle can be adjusted vertically in the C direction shown in FIG. 6.

In addition, the monitor 170 is not fixed at a fixed position, but a double bending structure support is installed so that the wheelchair user can pull forward or left or right, or change the angle up or down. In this way, a wheelchair user can use it conveniently.

A feature of the present invention is that it is designed so that a wheelchair user can safely use the treadmill 100 by providing a five-fold safety device.

(1) By attaching the connection line of the magnetic emergency stop switch attached to the monitor 170 to the user, the switch is detached and emergency stop occurs when the switch deviates from a certain distance. (2) Since the moving section of the wheelchair fastening system is limited, deviation from the final section is structurally restricted.

(3) By installing the emergency stop switch 150 on both the left and right handrails, the user or a third party can use it easily. (4) By making it easy to hang a mounting structure that crosses left and right at the end of the treadmill, final physical separation can be prevented if the user installs it after getting on the treadmill. (5) Trapside safety bars 120 are installed on both sides of the inclined trap to prevent a wheelchair user from falling to the left and right when ascending and descending the treadmill 100.

FIG. 7 is an electrical circuit diagram of the treadmill of FIG. 3 . FIG. 7 is a diagram illustrating an electrical circuit diagram of the electrical circuit 20 shown in FIG. 3 .

The electric circuit 20 is composed of a power source 21, a switch 22, a noise filter 23, a transformer 24, an inverter 25, a monitor 26, a driving motor 28 and an incline 29. .

In the above, the present invention has been described in relation to the embodiments, but all appropriate changes and modifications and equivalents without departing from the scope of the matters described in the claims should be construed as belonging to the scope of the present invention.

20: electric circuit 23: noise filter
24: transformer 25: inverter
26: monitor 27: drive motor
28: Incline 100: Treadmill
110: base 120: trepside safety bar
130: rear safety bar 150: emergency stop switch
160: side safety bar 170: monitor
180: magnetic emergency stop switch 200: clamp
210: clamp arm 220: gas spring
230: linear bearing unit

Claims (6)

In a wheelchair treadmill including a running belt,
The electric circuit for driving the treadmill includes a power source 21, a switch 22, a noise filter 23, a transformer 24, an inverter 25, a monitor 26, a driving motor 28, and an incline 29. made up; The transformer 24 sends a constant voltage to the inverter 25; The inverter 25 supplies power to the drive motor 27, the incline 28 and the monitor 26;
The wheelchair user inputs parameter values into the monitor 26 to give driving instructions, and the incline 28 operates according to the driving instructions, or the running belt of the treadmill 100 rotates while the driving motor 27 rotates become;
Trapside safety bars 120 are installed in parallel on both sides of the scaffold 110;
Safety characterized by operating the monitor 170 after the user in a wheelchair climbs on the wheelchair treadmill 100 using an inclined trap and fixes the front clamp 200 by matching the left and right widths of the wheelchair foot frame Wheelchair treadmill with device.
The method of claim 1, wherein side safety bars 160 are installed on both sides of the treadmill 100 to maintain the posture of the wheelchair when the wheelchair located above the running belt is separated from the running belt; A rear safety bar 130 is provided at the rear of the treadmill,
An emergency stop switch 150 is installed near the side safety bar 160 as a safety device of the wheelchair; A wheelchair treadmill with a safety device, characterized in that a magnetic emergency stop switch (180) is installed next to the monitor (170).
The method of claim 1, wherein side safety bars 160 are installed on both sides of the treadmill 100 to maintain the posture of the wheelchair when the wheelchair located above the running belt is separated from the running belt; A rear safety bar 130 is provided at the rear of the treadmill;
An emergency stop switch 150 is installed near the side safety bar 160 as a safety device of the wheelchair; A wheelchair treadmill with a safety device, characterized in that a magnetic emergency stop switch (180) is installed next to the monitor (170).
According to claim 1, By combining a double refractive structure support to the monitor (170);
A wheelchair treadmill equipped with a safety device, characterized in that the wheelchair user can pull forward, left or right, or change the angle up or down.
The method according to claim 1, wherein a linear bearing unit 230 is coupled to a support base of a gas spring 220 attached to both sides of the clamp 200; A wheelchair treadmill equipped with a safety device, characterized in that the wheelchair user can consciously decelerate or accelerate the wheelchair to perform aerobic exercise at the input running belt speed.
The method of claim 1, wherein two clamp arms (210) for holding the wheelchair from the front in the center of the clamp (200) are fastened to two horizontal rods; coupled to both ends of the two horizontal rods A wheelchair treadmill with a safety device comprising a gas spring (220).

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