KR101806163B1 - Leg stretching device - Google Patents

Abstract

The present invention relates to a leg stretching exercise apparatus, comprising: a body; a foot rest installed on an upper surface of the body to be able to rotate via a hinge; a support installed at the body or the foot rest to support heels; a foot rest rotating unit installed at the body to rotate the foot rest around the hinge; a foot detection sensor detecting the foot put on the foot rest to output signals; and a control unit receiving the signals from the foot detection sensor to operate the foot rest rotating unit for making the foot rest rotate around the hinge according to a preset program and stopping operation of the foot rest rotating unit if the signals are blocked from the foot detection sensor. According to an embodiment of the present invention, the ankles of the user are slowly folded and unfolded by the foot rest inclined at a set angle from a horizontal state and recovering the horizontal state again and stretching is naturally realized as Achilles tendon and leg muscles are pulled to the heel and recovered repetitively in the above process to easily relieve fatigue of the leg including the ankle and the thigh and at the same time to train the Achilles tendon robustly and strongly and, particularly, the foot detection sensor is installed at the foot rest and is operated only when the foot is detected therethrough to prevent accidents.

Description

[0001] The present invention relates to a leg stretching device,

The present invention relates to a lower body stretching exercise machine capable of preventing a safety accident while relieving fatigue of a leg including ankle and thigh through stretching.

As interest in health and longevity has increased, there has been an increasing demand for various exercise devices for training the body. These exercise devices include a wide range of devices, from exercise devices for training the whole body to exercise devices for training specific body parts Various kinds have been developed and put on the market.

On the other hand, since the legs can move while supporting the weight in the body parts, weakness of the leg muscles can cause a fatal injury due to the inability of the leg muscles, and modern workers (especially women) mainly wear high heel shoes or heels Because the leg muscles are always contracted, proper exercise and stretching that can release the leg muscles are essential.

In this regard, many conventional stretching exercises have been developed for use in the room. Such a conventional stretching exercise machine is disclosed in Korean Utility Model Registration No. 20-0184380 (hereinafter referred to as "Prior Art 1"), Registered Utility Model No. 20-0184480 (Hereinafter, referred to as prior art 2), Registration Practical Utility Model No. 20-0199661 (hereinafter referred to as Prior Art 3), Registered Patent No. 10-1134650 (hereinafter referred to as Prior Art 4), and Registration No. 10-1260642 have.

The above-mentioned prior arts 1 and 3 to 5 disclose a technique in which a footrest is tilted on a footrest on which the foot rests and a foot is stretched on the footrest.

However, in the prior arts 1 and 3 to 5, it is very troublesome and inconvenient to set the angle because the user must arbitrarily designate the angle of the footrest by hand, and since the leg stretching must be performed at an angle from the beginning, overloading So that there is a problem in that the exercise effect becomes insignificant.

The above-mentioned prior art 2 discloses a technique which allows a user to easily perform a leg stretching by changing the angle of a foot plate by using a cam plate and a motor.

In the conventional art 2, since the angle of the foot plate is determined according to the size of the cam, it is fundamentally difficult to set various angles and it is inconvenient for the user to arbitrarily designate the angle of the foot plate by hand.

1. Korean Registered Utility Model No. 20-0184380 (Angle adjuster for Achilles tendon exercise / 2000.03.22) 2. Korean Registered Utility Model No. 20-0184480 (Angle adjuster for Achilles tendon exercise / 2000.03.22) 3. Korean Utility Model No. 20-0199661 (Wooden Muscle, Joint Stretching Equipment / 2000.08.03) 4. Korean Patent No. 10-1134650 (Stretching mechanism / 2010.04.02) 5. Korean Registered Patent No. 10-1260642 (ankle exercise device / 2013.04.26)

The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a lower body stretching exerciser capable of more effectively releasing fatigue including ankles and thighs without overloading as the angle of the footrest gradually changes, I have a purpose to do.

It is also an object of the present invention to provide a lower body stretching exercise machine capable of preventing a safety accident during use.

According to an aspect of the present invention,

body;

A foot plate installed on the upper surface of the body so as to be rotatable through a hinge;

A pedestal installed on the body or the foot plate to support the heel;

A foot rotating means installed on the body for rotating the foot on the hinge;

A foot sensor for sensing a foot resting on the foot plate and outputting a signal;

And a control unit that receives the signal from the foot sensor and operates the foot rotating means to rotate the foot on the hinge in accordance with a predetermined program and stops the foot rotating means when the signal from the foot sensor is interrupted .

Here, the receiving portion is provided on the body and the foot plate, respectively, and the receiving portion provided on the foot plate is removable.

In this case,

A motor disposed between the body and the footrest and operated by a control unit to rotate in a forward / reverse direction;

A pinion fixed to an axis of the motor;

And a semicircular rack having one end fixed to the foot plate in a cantilever shape and interlocking with the pinion.

In this case,

An air cylinder which is disposed between the body and the foot plate and has one end rotatably fixed to the body, a rod which is mounted on the body so as to be able to be raised / lowered and whose other end is protruded and whose other end is rotatably fixed to the foot plate ;

And a compressor which is operated by the control unit to supply air to the air cylinder so that the rod can be raised / lowered.

In this case,

A rod which is disposed between the body and the scaffold and has one end rotatably fixed to the body, a rod that is inserted into the body so as to be able to move up and down and whose other end is protruded and the other end is rotatably fixed to the scaffold, And a motor that is operated to raise and lower the rod.

Further, in the present invention,

A remote controller for transmitting a radio signal is further reinforced;

The control unit receives a radio signal through a receiving unit reinforced on the body and controls operation of the foot rotating means.

According to the present embodiment, the user's ankle is slowly folded and slowly restored by the footrest which is tilted at a predetermined angle from the horizontal and then restored to the horizontal state. In this process, the achilles tendon and the leg muscles Stretching is performed naturally by repeating the pulling and restoring, so that the fatigue of the legs including the ankles and the thighs can be easily released, and the achills tendon can be strongly and strongly exercised. In particular, A foot sensor can be installed on the vehicle and operated only when the foot sensor detects the foot. Thus, it is possible to prevent a safety accident in advance.

In addition, according to the present embodiment, when the footrest is stretched in a state where the footrest is provided with a footrest, as the footsteps become steep, the user can use the leg muscles (e.g., calf, thigh, As the muscles are used together, they stimulate the muscles that are not used well in the past, thereby maximizing muscle strengthening, stretching and exercise effects.

According to the present embodiment, since the program can be set and exercised in various ways through the button operation of the remote control, there is an advantage that the exercise effect and the fun can be maximized by the user.

In addition, according to this embodiment, there is an advantage that a rechargeable battery can be installed inside the body, so that the rechargeable battery can be used without limitation in places.

1 is a perspective view of a lower body stretching exercising apparatus according to the present invention;
2 is a side sectional view of 1;
3 is a view for explaining an operation relationship of a lower body stretching exercising apparatus according to the present invention;
4 is a view showing another footrest rotating means applied to a lower body stretching exercise apparatus according to the present invention.
5 is a view showing another footrest rotating means applied to a lower body stretching exercising apparatus according to the present invention.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a leg exercise device according to the present invention, FIG. 2 is a side sectional view of FIG. 1, and FIG. 3 is a view for explaining an operation relationship of a lower body stretching exercising apparatus according to the present invention.

1 to 3, a lower body stretching exercise apparatus according to an embodiment of the present invention includes a body 10, a pair of footrests 20, a receiving portion 11, a footrest rotating means 30, The sensing sensor 40 and the control unit 50. According to this, since the angle of the foot plate is gradually changed and the stretching is progressed, fatigue of the leg including the ankle and thigh can be solved more effectively without overload.

Referring to FIGS. 1 to 3, the body 10 has a square shape as a whole, and the interior of the body 10 is opened upward.

In addition, a receiving portion 11 protruding upwardly may be integrally or integrally formed on one side of the upper surface of the body 10.

The receiving portion 11 may be made of a soft material such as cork or synthetic rubber, or may be covered with a cover made of a soft material such as rubber or silicone on the outer surface of a member made of metal, wood, or synthetic resin.

The receiving portion 11 is integrally formed with a concave groove in which the heel is received.

Further, if necessary, the receiving portion 11 can be formed in various heights (e.g., heel, ankle, calf, etc.).

On the other hand, the body 10 is provided with a mounting base 12 passing through the opened portion. A motor 31 of the foot rotating means 30 is mounted on a lower surface of the mounting base 12.

A power switch 13 and a receiving unit 14 are formed on the front surface of the body 10 so that the power can be turned on and off and a power plug 15 connected to an outlet .

Here, the positions of the power switch 13 and the receiving unit 14 can be changed as needed.

The footrest 20 is a plate formed with a predetermined length, width and thickness so that the foot of the user can be placed thereon. The footrest 20 is a hard (end) member such as a synthetic resin, metal, or wood.

In the present embodiment, one end is disposed adjacent to the receiving unit 11 formed on the upper surface of the body 10, and the other end is rotatably installed via the hinge.

The pedestal 20 may be integrally or integrally formed with the pedestal 11 'projecting upward.

The receiving portion 11 'may be made of a soft material such as cork or synthetic rubber, or may be covered with a cover made of a soft material such as rubber or silicone on the outer surface of a member made of metal, wood or synthetic resin.

In addition, the receiving portion 11 'is integrally formed with a recessed groove in which the heel is received.

Although not specifically shown, the foot plate 20 may be provided with a rubber plate, a silicon plate, and embossing-shaped concave-convex parts for providing a frictional force so as to prevent the sole from slipping.

That is, the receiving portions 11 and 11 'may be installed in the body 10 or the foot plate 20. [

The pedestal 11 and the pedestal 20 may be mounted on the pedestal 20 and the pedestal 20 may be attached to the pedestal 20, It is desirable to have a possible structure (e.g., a mutual coupling between the projections and the groove).

When the footrest 20 is steered in a state in which the pedestal 20 is detachably attached to the pedestal 20 as described above, when the footrest 20 is steeply inclined, Muscles of the waist, and hip muscles in addition to the muscles of the back, legs, thighs, thighs, etc.), thereby maximizing muscle strengthening, stretching and exercise effects.

The footrest rotating means 30 is installed on the body 10 and functions to rotate the footrest 20 so that the footrest 20 is rotated around a hinge (e.g., a hinge).

Here, the foot rotating means 30 is composed of a motor 31, a pinion 32, and a rack 33.

The motor 31 is a two-axis (servo) motor rotatable in the forward and reverse directions. In the present embodiment, the motor 31 is mounted on the lower surface of the mount 12 of the body 10 and is controlled by the controller 50.

The pinion 32 is fixed to the shaft of the motor 31.

The rack 33 has an arc shape as a whole and has one end fixed to the lower surface of the foot plate 20 in a cantilever shape and interlocked with the pinion 32 for interlocking operation.

The pinion 32 fixed to the shaft of the motor 31 is rotated and the pinion 32 is rotated by the rotation of the pinion 32. As a result, So that the foot plate 20 is rotated around the hinge to form a predetermined inclination with respect to the upper surface of the body 10. [

On the contrary, when the motor 31 rotates clockwise, the pinion 32 fixed to the shaft of the motor 31 rotates, and the rack 31 engaged with the pinion 32 by the rotation of the pinion 32 33 are interlocked with each other to lower the foot plate 20 so that the foot plate 20 is rotated around the hinge to be horizontal with the upper face of the body 10.

In other words, the user's ankle is gradually folded and slowly restored by the above-mentioned action, and the achills tendon and the leg muscles are pulled and restored to the heel in this process, and the stretching is performed naturally, And fatigue of the legs including the thighs can be easily solved, and at the same time, the achilles tendon can be strongly and strongly exercised.

In particular, when the footrest 20 is slowly rotated using the footrest rotating means 30 as described above, it is possible to exercise at the maximum inclination angle that the user can withstand. Therefore, the muscle and the Achilles tendon are gradually increased Thereby providing the advantage of maximizing the exercise effect while minimizing the risk of injury.

In addition, since there is no need for the user to manually set the angle of the foot plate 20, there is an advantage that convenience in use is further improved.

FIG. 4 is a view showing another foot rotating means 30 'applied to the leg exercise machine according to the present invention.

The foot rotating means 30 'is composed of an air cylinder 31a and a compressor 32a.

The air cylinder 31a includes a main body 31a-1 and a rod 31a-2. The main body 31a-1 is disposed between the body 10 and the foot plate 20, The other end of the rod 31a-2 protrudes from the main body 31a-1 so that the rod 31a-2 can be lifted and lowered, and the other end of the rod 31a-2 is rotatably fixed to the footrest 20.

The compressor 32a is operated by the control unit 50 to supply air to the air cylinder 31a so that the rod 31a-2 can be raised and lowered.

In this embodiment, pneumatic pressure is used and described, but it can be replaced with hydraulic pressure if necessary.

Fig. 5 shows another footrest rotating means 30 "applied to a leg exercise machine according to the present invention. Fig.

The foot rotating means 30 "is a linear motor 31b and is composed of a main body 31b-1, a rod 31b-2 and a motor 31b-3.

The body 31b-1 is disposed between the body 10 and the foot plate 20 and has one end rotatably fixed to the body 10.

The other end of the rod 31b-2 protrudes from the main body 31b-1 so as to be able to move up and down, and the other end of the rod 31b-2 is rotatably fixed to the foot plate 20.

The motor 31b-3 is operated by the control unit 50 to raise / lower the rod 31b-2.

The foot sensor 40 is a contact or non-contact type sensor that senses the foot placed on the foot plate 20 and outputs a signal. In the present embodiment, the foot sensor 40 is installed on the foot plate 20 to sense the foot.

In addition, it may be installed on the body 10 to detect the feet as required.

The foot sensor 40 may be installed on any one of the pair of foot plates 20 or on each of the pair of foot plates 20. In this embodiment, 20), respectively.

For example, when the foot is placed on the footrest 20, the foot sensor 40 senses the foot and outputs a signal to the control unit 50. The control unit 50 receives the signal and transmits the signal to the footrest rotation unit 30 .

When the user loses the center of gravity and releases his / her foot from the foot plate 20, the foot sensor 40 stops the signal output, so that the control unit 50 outputs a signal from the foot sensor 40 The operation of the footrest rotating means 30 is immediately stopped.

The control unit 50 receives the signal from the foot sensor 40 and operates the foot rotating means 30 to move the foot plate 20 up and down with respect to the hinge And stops the operation of the footrest rotating means 30 when the signal is interrupted.

In addition, various control programs are previously set in the control unit 50.

For example, only the foot 20 of the right foot or the left foot may be vertically moved, or both footrests 20 may be vertically moved. Alternatively, the angular range (0 ° to 38 °) of the footrest 20 and the constant A program such as stopping and restoring for a period of time (10 seconds to 120 seconds) can be set.

The angular range and time of the footrest 20 can be changed as needed.

On the other hand, the above-described method has a problem that the user must select a program before using the exercise device, and then perform the exercise, and the exercise can not be performed in various ways.

Accordingly, the remote controller 60 capable of wirelessly setting and operating the remote controller 60 is reinforced to solve the above problem.

The remote controller 60 is adapted to transmit a radio signal, and has various selection buttons.

The radio signal transmitted through the remote controller 60 is transmitted to the controller 50 through the receiver 14 of the body 10 and the controller 50 controls the foot rotating means 30, 30 ', 30 " Respectively.

For example, the remote controller 60 is provided with a power button (ON / OFF), an angle range (0 to 38 degrees) setting button, a movement button to an initial position, a speed increase / decrease button, ) Operation buttons, time setting buttons, and the like.

The program can be set and exercised in various ways through the operation of the buttons of the remote controller 60, so that there is an advantage that the exercise effect and the fun of the user can be maximized.

A rechargeable battery 70 is installed inside the body 10 and the battery 70 is connected to the motor 31 of the footrest rotating means 30, 30 ', 30 ", the compressor 32a, (31b-3) and the controller (50).

The rechargeable battery (70) is electrically connected to the plug (15) of the body (10).

According to the present embodiment, since the rechargeable battery 70 is installed inside the body 10, there is an advantage that the rechargeable battery 70 can be used without limitation in places.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the same is by way of illustration and example only and is not to be construed as limited to the specific embodiments set forth herein; rather, .

10: Body 11.11 ': Support base 12: Mount base
13: power switch 14: receiving section 20: foot plate
30, 30 ', 30 ": footrest rotating means 31: motor 32: pinion
33: rack 31a: air cylinder 31a-1:
31a-2: Load 32a: Compressor 31b: Linear motor
31b-1: main body 31b-2: rod 31b-3: motor
40: Foot sensor 50: Control unit 60: Remote control
70: Rechargeable battery

Claims (6)

body;
A foot plate installed on the upper surface of the body so as to be rotatable through a hinge;
A pedestal installed on the body or the foot plate to support the heel;
A pinion fixed to the shaft of the motor, and a rack having one end fixed to the foot plate in a cantilever shape and interlocking with the pinion, and the foot plate is hinge- A foot rotating means for rotating the foot rotating means about the foot;
And a control unit for operating the footrest rotating means according to a predetermined program so that the footrest is rotated around the hinge.
The method according to claim 1,
A foot sensor for sensing a foot placed on the foot plate and outputting a signal is further reinforced;
Wherein the controller controls the footrest rotating means to receive the signal from the foot sensor and stop the footrest rotating means when the signal from the foot sensor is interrupted.
3. The method according to any one of claims 1 to 3,
Wherein the support portion is provided on the body and the footrest, respectively, and the support portion provided on the footrest is detachable.
The method of claim 3,
A remote controller for transmitting a radio signal is further reinforced;
Wherein the control unit receives the radio signal through the receiving unit reinforced to the body and controls the operation of the foot rotating means.


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