JP2003116940A - Leg muscles and joints training device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a leg muscles and joints training device, in which a person having the feet and the waist weakened or in the fed for a long time can perform exercises for the muscles of legs or joints of ankles or knees while lying or sitting on a chair by using the motive force of a motor and doing knee bends almost naturally without fixing the feet. SOLUTION: Rotary belts 13a and 13b are parallel provided on the upper face side of a pedestal formed almost in the shape of plate, these rotary belts 13a and 13b are connected through bevel gears 22a, 22b and 22c to a motor 20 to be oppositely rotated, movable plates 14a and 14b are respectively attached on both the rotary belts 13a and 13b, footrests 16a and 16b are attached through hinges 15 onto these movable plates 14a and 14b, and these footrests 16a and 16b and the movable plates 14a and 14b are linked through gas dampers 30 to be freely turnably.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foot-muscle joint training apparatus for exercising leg muscles and ankle and knee joints while lying or sitting on a chair.

[0002]

2. Description of the Related Art Conventionally, as a device for exercising an ankle joint in a lying posture, for example, Japanese Unexamined Patent Publication No. 2001-178847.
There is. As shown in FIG. 7, the upper frame 2 of the base 1 is provided with a pair of left and right openings 3a and 3b.
Pulleys 4 ... Are respectively provided at both inner ends of the footrest, and a connecting rope 5 is hung on the pulleys.
The front end portions and the rear end portions of a and 7b are connected to each other by the connecting ropes 5, one foot placing member 7a is in one opening 3a, and the other foot placing member 7b is the other opening. 3b
It can be moved back and forth inside. Further, the foot rest members 7a and 7b are in the shape of a geta with the band 8 attached to the upper part thereof, and the roller 9 is provided on the bottom part thereof, and the roller 9 rotates to slide back and forth.

In this ankle exercising device, as shown in FIG. 8, both feet 10a and 10b are placed on the foot rest member 7 while lying down.
Place on a and 7b and fix with band 8. In this state, when one foot 10a is extended forward, the other foot placing member 7b endlessly connected by the connecting rope 5 moves to the front side, so that the left and right feet 10a and 10b alternately move. Then, a pseudo walking motion can be performed.

[0004] However, since the conventional device alternately bends and stretches the left and right legs 10a and 10b back and forth by its own force, it is used for the purpose of rehabilitation by a person with weak legs and waist or a person who has been in bed for a long time. When I did, I couldn't move it by myself, and the effect was small. Normally, when the foot 10a is extended, the sole of the foot becomes vertical, and when the foot 10b is contracted, the sole of the foot becomes horizontal. In this device, the left and right feet 10a and 10b are fixed horizontally by the band 8. Therefore, the soles of the feet are always in close contact with each other, and the range of movement is narrow, so that the effect of exercise is small. Moreover, the foot rest members 7a, 7
Since b moves in the openings 3a and 3b, there is a risk that pajamas and slats of sleepwear may be caught.

[0005]

DISCLOSURE OF THE INVENTION The present invention solves the above problems and uses the power of a motor to perform flexion and extension exercises in a state close to nature without fixing the legs, and (EN) A foot muscle joint training device capable of exercising leg muscles and ankle and knee joints while a person who has been in a bed for a period of time is asleep or sitting on a chair.

[0006]

According to a foot muscle joint training apparatus of a first aspect of the present invention, rotary belts are provided in parallel on the upper surface side of a base having a substantially flat plate shape, and these rotary belts are in opposite directions. It is connected to a motor via a gear so as to rotate, and a movable plate is attached to each of the rotary belts. A foot rest is attached on the movable plate via a hinge. The foot rest and the movable plate are connected to each other. It is characterized in that it is rotatably connected via a damper.

The foot muscle joint training apparatus according to claim 2 of the present invention is characterized in that the damper is formed by a cylindrical gas damper.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIG.
It will be described in detail with reference to FIGS. 11 in the figure
Is a leg muscle joint training device, and is provided on the upper surface side of the base 12 having a substantially flat plate shape, along the left and right side edges thereof.
Book rotation belts 13a and 13b are provided in parallel. The movable plate 1 is placed on the rotary belts 13a and 13b.
4a and 14b are connected to each other, and footrests 16a and 16b are rotatably attached to the upper surface via a hinge 15. Reference numeral 17 is a controller, and 18 is a plug connected to a power supply.

As shown in FIG. 2, a motor 20 connected to the controller 16 and the plug 17 is provided in the center of the base 12, and a reduction gear 21 is connected to the motor 20. The output shaft of the reduction gear 21 has a bevel gear 22.
c is connected, and the bevel gear 2 is connected to the left and right at right angles to this.
2a and 22b are meshed with each other so that they rotate in opposite directions.

The left and right bevel gears 22a and 22b are provided with a timing pulley 24 on the end side of the gear shafts 23a and 23b.
a and 24b are attached, respectively, and the bearing 2
It is supported by 6, 26. In addition, the timing pulley 24
Timing pulleys 25a and 25b are attached to the other end of the base 12 so as to face the a and 24b. The timing pulleys 24a and 25a and the timing pulley 24
Between b and 25b, as shown in FIG.
a and 13b are attached.

As shown in FIG. 4, the movable plates 14a and 14b have a structure in which a lower plate 27 and an upper plate 28 are overlapped with each other and are detachably joined to each other. It is formed longer. The lower plate 27 is connected to the rotary belts 13a and 13b, and the upper plate 28 has a hinge 1
The footrests 16a and 16b are connected to each other via 5.

Further, as shown in FIG. 1, an upper cover 19 having a plane I shape is attached to the upper surface of the base 12. Steps 19A, 1 are provided on both sides of the middle portion of the upper cover 19.
9A is formed, and as shown in FIG. 4, the movable plates 14a, 14a
The protruding portions of the lower plates 27, 27 of the b are slidably restrained from above, and are stabilized when the load of the foot is applied.

Further, the upper plates 28, 28 and the footrests 16a, 1
As shown in FIGS. 2 and 3, bearing brackets 29, 29 are attached to the rear surface of 6b, and a cylindrical gas damper 30 is connected between them, and footrests 16a, 1
6b is rotatably supported while being urged upward. Reference numeral 31 is a non-slip rubber mat attached to the bottom surface of the base 12.

The controller 17 is connected to the motor 20 by a cable 32 as shown in FIG. 5, and has a switch 33, an emergency stop switch 34, a stroke adjusting section 35, on the upper surface thereof.
A speed adjusting unit 36 and a timer 37 are attached. Further, the stroke adjusting unit 35 includes the rotating belts 13a and 13b.
The moving range of the movable plates 14a, 14b is defined by switching the operating position of a plurality of return switches (not shown) provided within the moving range of the movable plates 14a, 14b attached to the.

When a person with a weak leg or waist or a person who has been in a bed for a long period of time trains with the leg-muscle joint training apparatus having the above-described structure while sleeping, as shown in FIG.
a foot muscle joint training device 11 is installed under a and 10b, the tip of the left foot 10a is placed on the foot rest 16a, the tip of the right foot 10b is placed on the foot rest 16b, and the soles of the feet are closely attached. Let

In this state, the switch 3 of the controller 17
3, and the stroke adjusting unit 35 and the speed adjusting unit 36 are adjusted. When the motor 20 rotates, the rotational force is reduced by the reduction gear 21 and the bevel gear 22c rotates, as shown in FIG. Further, the bevel gears 22a and 22b, which are provided on the left and right sides orthogonal to this, rotate in opposite directions to each other, and the timing pulleys 24a and 24b rotate.

As a result, the rotary belts 13a and 13b rotate in opposite directions, and the movable plate 14 connected to the rotary belts 13a and 13b rotates.
a and 14b also move in the opposite direction. The movable plate 14a is the base 1
When it comes to the end side of 2, the return switch (not shown) operates and the motor 20 rotates in the reverse direction. As a result, the movable plate 14
The footrests 16a and 16b attached to a and 14b alternately move forward and backward with a predetermined stroke.

As shown in FIG. 6, the foot rests 16a and 16b of the left and right feet 10a and 10b at this time are urged upward by the gas damper 30.
When b is placed, the cylinder of the gas damper 30 contracts and rotates according to the angle. Also, the foot rests 16a, 16 mounted on the movable plates 14a, 14b by the rotation of the motor 20.
Since b moves forward and backward alternately with a predetermined stroke, the foot is forcibly bent and stretched accordingly.

When the left foot 10a is extended, the sole of the foot becomes vertical, so that the footrest 16a also stands up. On the other hand, the right foot 10
When b is contracted, the soles of the feet become horizontal and the footrest 16
b also rotates and becomes horizontal. That is, the left and right feet 10
The bending movements are performed by forcibly moving the a and 10b back and forth, and the angles of the feet change accordingly. However, since the footrests 16a and 16b are elastically supported by the gas damper 30, the toes are not supported. Can be freely rotated according to the angle of.

Therefore, the rotation of the motor 20 forcibly causes the footrests 16a and 16b to alternately move forward and backward, so that even a person with weak legs or a weak leg muscle or a person with weakened leg muscles I can train. Moreover, since the angle of the tip of the foot can be naturally changed in accordance with the bending and stretching movements, the movements of the ankle and knee joints can be performed. In addition, the movable plate 14
Since a and 14b have a combined structure of the lower plate 27 and the upper plate 28, and the lower plate 27 and the upper plate 28 connecting the footrests 16a and 16b can be separated from each other, the size can be reduced when packing. it can.

In the above description, the motor 20 and the reduction gear 2
Although the structure in which 1 is combined is shown, the rotation speed, the rotation speed, and the rotation direction can be controlled arbitrarily by using a stepping motor.

In the above description, the case where the training is carried out in a sleeping posture has been described, but the training may be carried out while sitting on a chair. In this case as well, the tip of the foot stands up when the foot is extended, and the tip of the foot becomes horizontal when the foot is pulled out.
b can also freely rotate.

[0023]

As described above, claim 1 according to the present invention
According to the foot muscle joint training device described, the power of the motor is used to perform flexion and extension exercises alternately in a state close to nature without fixing the foot, and the person has a weak leg or waist, or was in a bed for a long time. When a person is sleeping or sitting on a chair,
The muscles of the legs and the joints of the ankles and knees can be effectively exercised.

According to the foot muscle joint training apparatus of the second aspect, since the damper is formed by the cylindrical gas damper, the cushioning property is excellent, the foot is not burdened, and the durability is excellent. It can be used stably over a period of time.

[Brief description of drawings]

FIG. 1 is a perspective view of a foot muscle joint training apparatus according to an embodiment of the present invention.

FIG. 2 is a plan view of the leg muscle joint training apparatus showing a state in which the upper cover of FIG. 1 is removed.

FIG. 3 is a side view of the leg-muscle joint training device shown in FIG.

4 is a cross-sectional view showing a state in which the leg muscle joint training apparatus shown in FIG.

FIG. 5 is a perspective view showing a controller.

FIG. 6 is an explanatory diagram showing a state in which training is performed with a foot placed on the training device.

FIG. 7 is a horizontal sectional view showing a conventional foot muscle joint training apparatus.

FIG. 8 is an explanatory diagram showing a state in which a foot is placed on a conventional training device for training.

[Explanation of symbols]

12 bases 13a rotating belt 14a movable plate 15 Hinge 16a foot rest 17 Controller 19 Top cover 20 motor 21 reduction gear 22a bevel gear 24a Timing pulley 25a timing pulley 27 Lower plate 28 Upper plate 30 gas damper 33 switch

Claims (2)

[Claims] 1. A rotary belt is provided in parallel on the upper surface side of a base having a substantially flat plate shape, and the rotary belts are connected to a motor through gears so that they rotate in mutually opposite directions, and both rotary belts are respectively connected. Foot muscle joint training characterized in that a movable plate is attached, a footrest is attached on the movable plate via a hinge, and the footrest and the movable plate are rotatably connected via a damper. apparatus. 2. The foot-muscle joint training device according to claim 1, wherein the damper is formed of a cylindrical gas damper.