JP2000024137A - Walking training machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a walking training machine that an endless belt is formed so as to have walking environment. SOLUTION: A first pulley 7 and a second pulley 8 are made rotatable through crank arms 17 to a first crank plate 13 and a second crank plate 14 pivotally attached to a driving motor 21 and belts 25 are wound endlessly around the first and second pulleys 7, 8 and rollers 9 to convert the rotation of the motor 21 to the forward/backward movement of the belts 25. This movement of the belt 25 makes environment in a walking state by abutting both of one's legs by providing moving surfaces S on the belts 25. The moving speed of the right and left belts 25 can be varied by interposing a differential device between the first and second pulleys 7 and 8. In addition, natural walking environment is obtained by moving the belts 25 back/forth and up/down by making the axes of the first and second pulleys 7 and 8 eccentric.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a walking training apparatus for moving a conveyor-type endless belt forward and backward by rotation of a driving motor, operating the belt in a walking state, and training a user's walking power. Things.

[0002]

2. Description of the Related Art In a conventional conveyor type walking training device,
Endlessly connected by a belt, both ends can be rotated by a rotating wheel, a driving unit is provided on one rotating wheel, the number of rotations of the driving unit can be operated at various different speeds, one direction of the rotating wheel Move the belt at the specified number of revolutions. The user got on the belt and exercised or trained at a suitable rotational speed.

[0003]

In the conventional walking training apparatus, walking is performed on a belt, and the amount of exercise is further increased by moving the belt forward and backward to change the belt moving speed in accordance with the belt moving speed. Many healthy people used it as a device. However, in the conventional walking training device, the user must get on the belt in a standing state and walk in accordance with the movement of the belt, so that a disabled user who cannot stand up cannot use the walking training device.

An object of the present invention is to move a belt forward and backward by a drive motor and to move up and down while aiming to allow a user to walk while sitting on a chair, instead of standing up as in the prior art. It is an object of the present invention to provide a walking training machine.

[0005]

According to a first aspect of the present invention, a walking apparatus includes two rows of belts, and one of the belts is rotatable by a first pulley and a roller, and the other is rotatable by a second pulley and a roller. . The first pulley and the second pulley are rotatable by a support shaft mounted on a frame. 1st pulley and 2nd
A first crank plate and a second crank plate are connected to the pulley via a crank arm. The first crank plate and the second
When the crank plate is rotated by the drive motor, the first pulley and the second pulley are rotated forward and reverse.

According to a second aspect of the present invention, a differential device for distributing the driving force from the driving motor to the first crank plate and the second crank plate is provided.

According to a third aspect of the present invention, the position of the support shaft of the first pulley and the second pulley is rotatable in an eccentric state in which the centers are shifted from each other. According to a fourth aspect of the present invention, a load device is provided on at least one of the first crank plate and the second crank plate provided with the differential device.

According to the configuration of the first aspect, the first pulley and the second pulley are rotated in the normal and reverse directions by the rotation of the drive motor, so that the user can be in a walking state.

According to the structure of the second aspect, there is an effect that the rotation of the two rows of belts can be varied depending on the use conditions without depending on the same moving speed.

According to the third aspect of the present invention, each belt surface moves up and down due to the eccentricity of the first pulley and the second pulley, so that the walking state can be realized more.

According to the structure of the fourth aspect, the rotation of the first crank plate and the second crank plate provided with the differential device has a safe operation because the moving speed varies depending on the load state of the load device.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) One embodiment of the present invention will be described with reference to FIGS. FIG.
Shows a walking training machine 1 for training or exercising walking of a person who has difficulty walking normally, and as a chair so that it can be used in a seated state for a person who cannot be used in an upright state. The seat 3 and the backrest 4 are provided. The frame 2 is made of a walking training machine 1 using a pipe-shaped steel material.
Side and chair side are fixed together.

The walking training machine 1 has an operating surface S in which a part of the belt 25 is exposed, is formed in two rows on the upper surface, is covered with a frame 26, and a handle 6 is erected upward and operated by the handle 6. A board 5 is provided. The operation panel 5 includes a belt 2 on the operation surface S.
5 can be controlled, and the number of rotations of the drive motor 21 can be controlled according to the state of the user.

FIG. 2 shows a driving unit of the belt 25 formed in two rows, and the belt 2 is attached to the first pulley 7 and the roller 9 in the first row.
5 is wound endlessly, the belt 25 is wound endlessly around the second pulley 8 and the roller 9 in the second row, and the first pulley 7 and the second pulley 8 are rotated by the rotational force of the drive motor 21. Let it.

The drive motor 21 has a first crank plate 13 and a second crank plate 14 of the same diameter which are mounted on the shaft. A crank arm 17 is rotatably mounted on the first pulley 7 and the second pulley 8 on the first crank plate 13 and the second crank plate 14. The diameters of the first pulley 7 and the second pulley 8 are three times or more the diameters of the first clamp 13 and the second clamp 14.

The rotation of the first pulley 7 and the second pulley 8 is about ３ of the rotation of the first crank plate 13 and the second crank plate 14.
Same as 5 before and after. The mounting position of the crank arm 17 is shifted so that the belt 25 moves forward and backward alternately.

(Second Embodiment) FIG. 3 shows one end wound endlessly around a large-diameter first pulley 7 and a small-diameter roller 9 within a frame 26, and one end having the same diameter as the first pulley 7. Second pulley 8
And the roller 9 are wound endlessly, and 2
An operating surface S of a row is formed. First pulley 7 and second pulley 8
The rotation mechanism transmits the rotation of the drive motor 21 from the input gear 20 to the differential device 15 and divides the torque of the drive motor 21 from the differential device 15 to the first output shaft 11 and the second output shaft 12. introduce. A disc-shaped first crank plate 18 is fixed to the first output shaft 11, and a crank arm 17 is rotatably connected to the first crank plate 18 with a pin. The crank arm 17 is provided with an arm mounting hole 22 of the first pulley 7.
To be rotatable.

A plurality of arm mounting holes 22 are provided in the radial direction on the side surface of the first pulley 7.
Has a diameter that is at least twice the diameter of the first crank plate 18 and
The position where the first pulley 7 does not make a half turn with respect to one turn of the crank plate 18 is set. The second output shaft 12 has a second crank plate 19 fixed and a rotatable crank arm 17.
The second pulley 8 is set at a position where it does not make a half turn with respect to the rotation of the second crank plate 19 via the. The diameter of the second crank plate 19 is smaller than the diameter of the first crank plate 18. Therefore, even if the first output shaft 11 and the second output shaft 12 rotate together, the rotation amounts of the first pulley 7 and the second pulley 8 are different, and the first pulley 7 and the second pulley 8 are wound around the first pulley 7 and the second pulley 8. The amount of movement of the belt 25 differs.

First crank plate 18 and second crank plate 19
In between, the differential device 1 that divides the rotational force of the drive motor 21
The rotation amount of the first pulley 7 and the second pulley 8 is different depending on the load applied to the belt 25 by the differential device 15, and the lighter the load, the higher the rotation speed and the reciprocation of the belt 25. Move faster. The arm mounting hole 22 is
A plurality of pulleys are provided on the side surfaces of the pulley 7 and the second pulley 8, and the reciprocating movement amount of the belt 25 can be adjusted. The amount of movement of the belt 25 decreases as it is axially mounted in the outer circumferential direction of the arm mounting hole 22, and conversely, increases as it moves toward the core.

The first pulley 7 and the second pulley 8 are rotatably supported at the center by a support shaft 10 respectively.
Can be reciprocated horizontally. In this embodiment, the differential device 15 has been described. However, even if the first crank plate 13 and the second crank plate 14 are directly rotated by the drive motor 21 without using the differential device 15, the belt 25 can be reciprocated.

(Third Embodiment) FIG.
And the support shaft 10 of the second pulley 24 is supported at an eccentric position, and the first pulley 23 and the second pulley 24 are
Rotate to rotate in an eccentric state. The first pulley 23 and the second pulley 24 move up and down in the vertical direction with forward and reverse rotation. The belt 25 on the operation surface S performs reciprocating motion and up and down motion to repeatedly move forward while one foot rises and retreat while the other foot descends, as in a walking state. To reproduce.

The user of the walking training machine 1 of the present invention
, The user mounts both feet on the belt on the operation surface S, holds the handle 6 with his / her hand to support the body, and turns on the drive motor 21 of the operation panel 5. The operation panel 5 can adjust the rotation speed of the drive motor 21 to a plurality of stages. The walking speed increases as the rotation speed increases, and the walking speed decreases as the rotation speed decreases. Can be adjusted.

The user can use the walking training machine 1 to practice or rehabilitate by moving the foot up and down and moving forward in the actual walking motion state, so that more realistic training can be performed. . In this case, it is necessary to convert the rotational force of the drive motor 21 by an inverter, a servomotor or the like to move the belt 25 of the left and right operating surfaces S up and down in a well-balanced manner. Since the action is performed on the symmetric operation surface S, there is an effect that correct walking training is performed as rehabilitation. However, in the case of a healthy person's exercise, if the belt 25 on the left and right operation surfaces S moves up and down and back and forth in a complicated manner, there is an effect that the exercise uses the whole body.

(Fourth Embodiment) FIG. 5 shows that the rotational force of the drive motor 21 of the walking training machine 1 is controlled by the first pulley 7 and the second pulley 8.
Of the mechanism that can change the transmission of The rotation of the drive molly 21 is transmitted to the differential 15, and the rotational force is distributed from the differential 15 to the first output shaft 11 and the second output shaft 12. The first output shaft 11 is provided with a load device 16a, and applies a load to the rotational force transmitted from the differential device 15 by a lining wound around a belt. Similarly to the first output shaft 11, the second output shaft 12 has a load device 16b.
Can be loaded.

The rotational force from the differential device 15 is applied to the load device 1
The number of rotations distributed differs depending on the load status of the load 6a and the load device 16b, and the number of rotations of the first pulley 7 and the second pulley 8 differs. The load device 16 changes the contact force by increasing or decreasing the contact force by bringing the lining into contact with the first output shaft 11 and the second output shaft 12 with a screw rod.

The user of the walking training machine 1 has the left and right operating surfaces S
Of the load device 16b that desires a fast movement of the belt 25
The rotation of the second output shaft 12 becomes higher than the rotation of the first output shaft 11 by lowering the screw rod and loosening the lining, and the left and right operating surfaces S reciprocate back and forth at different speeds to separate both feet. You can train at speed.

[0031]

According to the first aspect of the present invention, since the belt on the operating surface for contacting both feet alternately reciprocates back and forth at a walking interval, the walking state can be implemented only by contacting the feet. effective. According to the second aspect of the present invention, the moving speeds of the belts on the left and right operating surfaces are changed depending on the load condition on the operating surface, so that it is safe and the two legs can be balanced. According to the third aspect of the present invention, since the belt on the operating surface alternately moves back and forth, and the up and down movement is operated in conjunction with the back and forth movement, there is an effect that even a person who cannot walk can make a real walking state. In the invention of claim 4,
By mechanically applying a load to the belt on the operation surface, there is an effect that the moving speed of the belt on the left and right operation surfaces can be adjusted as desired.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a walking training machine of the present invention.

FIG. 2 is a perspective view showing a driving unit according to the first embodiment.

FIG. 3 is a perspective view showing a driving unit according to a second embodiment.

FIG. 4 is a perspective view showing a driving unit according to a third embodiment.

FIG. 5 is a front view showing a driving unit according to a fourth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Walking training machine 6 Handle 7 1st pulley 8 2nd pulley 9 Roller 10 Support shaft 11 1st output shaft 12 2nd output shaft 13 1st crank plate 14 2nd crank plate 15 Differential device 16 Load device 17 Crank arm 18 First crank plate large 19 Second crank plate small 21 Drive motor 22 Arm mounting hole 23 First pulley (eccentric shaft) 24 Second pulley (eccentric shaft) 25 Belt S Working surface

Claims (4)

[Claims] An endless belt is provided in two rows in which one end of the belt is rotatable by a first pulley and a roller and the other end is rotatable by a second pulley and a roller. And a support shaft for supporting a first pulley and a second pulley which are mounted on the frame while supporting the first and second pulleys.
Providing a pulley with a crank arm connected from the first crank plate and the second crank plate, rotating the first crank plate and the second crank plate by a drive motor, and rotating the first pulley and the second pulley forward and backward. Characteristic walking training machine. 2. The driving force of the first crank plate and the second crank plate is distributed to the first crank plate and the second crank plate from a driving motor via a differential device.
The walking training machine described. 3. The walking training machine according to claim 1, wherein the support shafts of the first pulley and the second pulley are eccentrically supported in opposite directions with respect to the core. 4. The walking training machine according to claim 2, wherein a load device is provided on at least one of the first crank plate and the second crank plate.