JP6523670B2 - Multipurpose ergometer - Google Patents

Description

The present invention relates to an ergometer known as a stationary exercise bicycle, and in particular, it can be used not only by healthy people for exercise but also for multipurpose use by people with disabilities and elderly people for rehabilitation. It relates to an ergometer.

Conventionally, a user steps on a pedal to rotate a load wheel, thereby applying a load to the load wheel by resistance, thereby training the leg strength etc. and performing aerobic exercise "Ergometer for load exercise" Is provided (Patent Document 1).

On the other hand, for the purpose of rehabilitation for disabled persons and elderly people, etc., “ergometer for rehabilitation exercise” is provided, which makes the pedals rotated by the electric motor follow the stepping motion of the user and restores the exercise function of legs etc. (Patent Document 2).

Incidentally, with regard to ergometers, there are other names such as recumbent bikes, fixed bicycles, etc., but the term ergometer in the present invention is a generic meaning of these, and widely includes exercise devices that perform exercise by stepping on pedals. Please understand that it is the meaning of

Japanese Patent Laid-Open No. 2000-140153 JP 2003-144502

Load exercise ergometers are not suitable for rehabilitation. Also, ergometers for rehabilitation exercise are not suitable for exercise.

Therefore, it is desirable to provide a multipurpose ergometer capable of combining an ergometer for load exercise and an ergometer for rehabilitation exercise.

Such a multipurpose ergometer can be realized by adding an electric motor to the ergometer for load movement and configuring it to be usable also for rehabilitation movement.

However, in this case, if the electric motor is driven by a malfunction or the like while using the ergometer for the load exercise, it is dangerous and may damage the user's foot. Therefore, there is a problem to be solved in this regard.

Furthermore, various solutions, such as how to configure a drive system by stepping rotation when the user uses it as an ergometer for load exercise, and a drive system by an electric motor when the user uses it as an ergometer for rehabilitation exercise, etc. There is an issue to be done.

The present invention provides a multi-purpose ergometer which solves the above-mentioned problems, and the place constituted as the means is a load movement which rotates a load wheel by giving a user stepping motion to a pedal, and a load wheel by an electric motor. A multipurpose ergometer that enables selection of a rehabilitation movement that makes the user follow the pedaling motion of the user by rotating the wheel, and load means for applying a load by resistance to the load wheel with respect to the load movement; A load adjusting means which gradually reduces resistance by the load means by moving toward the position and is movable to the switching position beyond the weak position, and the load adjusting means between the strong position and the switching position an actuator for moving the, load adjusting means selected by the actuator Provided display means for displaying the location, with respect to the rehabilitation exercise, closing an electric motor for rotating the load wheel, and a power supply circuit having a main switch for supplying power to the electric motor, the said power supply circuit A motor switch is provided, wherein the motor switch enables a rehabilitation movement by turning on the power supply circuit only when the load adjusting means is moved to the switching position , During load movement in which the load adjustment means is positioned at a strong and weak position, the electric power supply circuit is turned off so that power is not supplied to the electric motor even if the main switch is turned on. .

At this time, clutch means may be provided between the electric motor and the load wheel, and the clutch means may constitute a one-way clutch that transmits the rotation of the electric motor to the load wheel but does not transmit the rotation of the load wheel to the electric motor. preferable.

In a preferred embodiment of the present invention, motor control means for controlling the number of rotations of the electric motor is provided, and a relay is provided together with the motor switch in a power supply circuit configured between the motor control means and the electric motor. The relay is configured to turn on the relay when the motor switch is turned on, and turn off the relay when the motor switch is turned off.

The actuator may be constituted by a cable for moving the load adjusting means, and an operating means for manually driving the cable in the axial direction.

Alternatively, the actuator can be configured by an electric drive means for moving the load adjustment means, and a load control means for controlling the electric drive means based on a program.

According to the present invention, with the load adjusting means 18 positioned between the strong position H and the weak position L, the load wheel 11 to which the load is applied is rotated by stepping the pedal 10 with the foot of the user. Can be used as an ergometer for load exercise. When the load adjusting means 18 is moved to the switching position S with the main switch 32 turned on , the motor switch 31 is turned on to drive the electric motor 27 and drive the pedal 10 together with the load wheel 11. Since it rotates, it can be used as an ergometer for rehabilitation exercise by making the user follow the pedal 10 which rotates the foot of the user and follow the stepping motion. Therefore, a single ergometer can provide a multipurpose ergometer capable of combining the ergometer for load exercise and the ergometer for rehabilitation exercise. Then, the user can perform the load exercise or the rehabilitation exercise while confirming the selected position among the strong position H, the weak position L, and the switching position S by the actuator 19 by visually recognizing the display means (display disk 22b) .

At this time, when performing load exercise as a load exercise ergometer, that is, when the load wheel 11 to which load is applied is being rotated by stepping the pedal 10, the load adjustment means 18 is in a strong position. Since the motor switch 31 is located between H and the weak position L, the motor switch 31 is not turned on. Therefore, even when the main switch 32 is turned on during the load exercise, there is no risk of accidentally driving the electric motor 27 and damaging the user's foot, and the load exercise can be performed safely.

If the clutch means 36 constituting a one-way clutch is provided between the electric motor 27 and the load wheel 11, the rotation of the load wheel 11 is not transmitted to the electric motor 27 during the load movement, There is no risk of damaging the electric motor 27.

Further, if the power supply circuit 30 between the motor control means 25b and the electric motor 27 is provided with the motor switch 31 and the relay 35, the user turns the pedal 10 in the reverse direction from the state where the electric motor 27 is stopped. Even when the electric motor 27 is reversely rotated by stepping on the foot, the electromotive force of the electric motor 27 is not applied to the motor control means 25b, so that the motor control means 25b is prevented from being damaged. Can.

It is a perspective view showing a multipurpose ergometer concerning one embodiment of the present invention. It is a side view which shows the principal part of a multipurpose ergometer. FIG. 1 is a perspective view showing an electric motor drive system for a load wheel of a multi-purpose ergometer and an embodiment provided with a manual actuator. FIG. 5 is a side view showing an embodiment of a drive system by an electric motor for a load wheel of a multi-purpose ergometer and provided with an electric actuator.

Hereinafter, preferred embodiments of the present invention will be described in detail based on the drawings.

As shown in FIG. 1 and FIG. 2, the multipurpose ergometer 1 comprises a base frame 3 constructed on a pair of leg seats 2 and 2 grounded to a floor surface, a saddle post 4 erected from the base frame 3 and A handlebar post 5 erected in front of the saddle post 4; and a lateral bridge frame 6 bridged between the saddlepost 4 and the handlebar post 5, the lateral bridge frame 6 and the saddle post 4 A drive wheel 9 is rotatably supported via a bearing 8 which is connected by an oblique frame 7 and mounted between the oblique frame 7 and the saddle post 4, and the drive wheel 9 is stepped on. There is provided a pedal 10 with a crankshaft for this purpose.

A load wheel 11 is disposed below the tip of the cross support frame 6. The load wheel 11 is rotatably supported by a bracket 12 erected from the base frame 3, and supports the cross frame 6 by a stay 13 extending from the bracket 12.

The saddle post 4 is provided with an extendable and fixable extension post 4a, and a saddle 14 is mounted on the upper end of the extension post 4a. A handle grip 15 is provided at the upper end of the handle post 5. Accordingly, the user places the feet on the pedals 10, 10 on both sides of the drive wheel 9 in a posture in which the user grips the saddle 14 and grips the handle grip 15, and rotates the drive wheel 9 by stepping on the pedal 10. It is configured to let you

(Drive system using the rotation of the pedal as the drive source)
The drive wheel 9 and the load wheel 11 are interlockingly connected by interlocking means 16 such as an endless belt. Therefore, a drive system is configured to drive and rotate the load wheel 11 via the drive wheel 9 using the stepping rotation of the pedal 10 as a drive source.

(Load mechanism)
In order to constitute an ergometer for load movement, as shown in FIG. 3, the load means 17 for applying a load by resistance to the load wheel 11, and the load by moving from the strong position H toward the weak position L A load control means 18 is provided for gradually reducing the resistance by means 17 and an actuator 19 is provided for moving the load control means 18.

In the case of the illustrated embodiment, the load means 17 is constituted by a permanent magnet that exerts an attractive force due to the magnetic attachment force on the load wheel 11 formed of magnetic metal. The load adjusting means 18 is constituted by an arc-shaped arm 18a in which the permanent magnet is fixed inside, and the upper end portion of the arc-shaped arm 18a is pivoted along a part of the outer peripheral surface of the load wheel 11 The horizontal support frame 6 is pivotally supported at 20 by a pivot. Therefore, when the arc-shaped arm 18a is moved to the strong position H by the actuator 19, the permanent magnet approaches the load wheel 11 to give maximum resistance, and conversely, when the arc-shaped arm 18a is moved to the weak position L, When the permanent magnet separates from the load wheel 11, the resistance becomes weak or zero.

As shown, the load adjusting means 18 consisting of an arc-shaped arm 18a is moved between the strong position H and the weak position L by the actuator 19 and further moved to the switching position S exceeding the weak position L. It is configured to be possible.

The load means 17 may be of a friction type other than the magnet type as shown in the example shown in the drawing, and in short, it may be any type that applies a load to the load wheel 11 by resistance.

In the case of the illustrated embodiment, the arc-shaped arm 18a constituting the load adjusting means 18 is interposed between the tongue 18b provided at the lower end of the arc-shaped arm 18a and the support 20 provided upright from the base frame 3. It is normally urged toward the strong position H by the biasing means 21 comprising the compressed spring, and is moved toward the weak position L and the switching position S by operating the actuator 19. .

In the case of the embodiment shown in FIG. 3, the actuator 19 is constituted by a manual actuator 19a, and a cable connecting the tongue 18b of the load adjusting means 18 and the operating means 22 provided on the handle post 5 to each other. It is comprised by 23. The cable 23 includes, for example, an outer cable 23 a and an inner cable 23 b similar to the brake cable for a traveling bicycle, and the outer cable is disposed between the support piece 24 fixed in the vicinity of the operation means 22 and the support piece 20. The both ends of the inner cable 23b are connected and supported, and the both ends of the inner cable 23b are connected to the tongue 18b and the driver 22a of the operation means 22. In the case of the illustrated example, the operating means 22 has an annular drive body 22a rotatably fitted on the outer periphery of the display disk 22b. Therefore, as shown in FIG. 3, when the driving body 22a is turned to the strong position H, the load adjustment means 18 is moved to the strong position H via the biasing means 21 by the inner cable 23b being slackened. When the driver 22a is turned from this position toward the weak position L, the inner cable 23b is pulled, whereby the load adjusting means 18 is moved to the weak position L against the biasing means 21. The display disk 22b is provided with a display with a scale as shown in the figure, and constitutes display means for displaying the position where the drive body 22a has been rotated (that is, the position of the load adjusting means 18) The load adjusting means 18 is moved to the switching position S when the driver 22a is turned to the illustrated position of "electric".

The actuator 19 may be configured by a motorized actuator 19 b as shown in FIG. 4 in addition to the manual actuator 19 a as shown in FIG. 3. For example, a rack and a pinion driven by a stepper motor or the like, or an electrically driven drive unit having another configuration may be provided to move the load adjustment unit 18. At this time, it is preferable to provide a circuit board 25 provided with a load control means 25a for controlling the electric actuator 19b based on a program, and a command means for activating the program of the circuit board 25 and a display for displaying the activation state etc. It is preferable to provide the provided control panel 26 on the handle post 5.

(Use as load ergometer)
According to the multipurpose ergometer 1 based on the above configuration, the user steps on the pedal 10 with the user in the saddle 14 to exercise the leg strength while rotating the loaded load wheel 11. It is possible to perform load exercise such as oxygen exercise.

In the case of the embodiment provided with the manual actuator 19a described based on FIG. 3, the user manually operates the operation means 22 to set the load adjustment means 18 at the selected position between the strong position H and the weak position H. It is possible to perform the load exercise while rotating the load wheel 11 in a state in which the load wheel 11 is moved and the desired load according to the physical strength or the like is given.

In the case of the embodiment provided with the electric actuator 19b described based on FIG. 4, the user selects a desired program mode from the operation panel 26, and in a state corresponding to the load that automatically changes within the required time, The load motion can be performed while rotating the load wheel 11.

(Drive system using electric motor as drive source)
An electric motor 27 is provided in the vicinity of the tip of the base frame 3 to constitute an ergometer for rehabilitation movement, and the load wheel 11 is endlessly made up of a rotating body 28 such as a pulley driven and rotated by the electric motor 27. By interlocking connection by interlocking means 29 such as a belt or the like, a drive system for driving and rotating the load wheel 11 with the electric motor 27 as a drive source is configured.

The electric motor 27 is configured to receive power supply from the circuit board 25 via the power supply circuit 30, and the power supply circuit 30 is provided with a motor switch 31. The circuit board 25 is configured to receive power supply from a home power supply by turning the main switch 32 ON / OFF.

The circuit board 25 is provided with motor control means 25 b for controlling the number of rotations of the electric motor 27, and as illustrated in FIG. 3, the number of rotations of the electric motor 27 is operated by operating the operation button of the operation panel 26. Preferably, it is configured to increase or decrease the Alternatively, the motor control means 25b may be configured to change the rotational speed of the electric motor 27 based on a program.

The motor switch 31 is disposed on the base frame 3, while the tongue 18 b of the arc-shaped arm 18 a constituting the load adjusting means 18 is a push rod facing the motor switch 31. 33 are provided. In the case of the illustrated example, the push rod 33 is constituted by a bolt with a head, and is fixed to the tongue 18b via an adjustment fixing means 34 such as a nut so that the projection length can be adjusted. The support piece 20 is guided in an inserted state. Therefore, when the load adjusting means 18 is moved from the strong position H toward the weak position L, the push rod 33 advances the head 33 a of the push rod 33 toward the motor switch 31. It is configured.

In the case of the embodiment shown in FIG. 3 in which the load adjusting means 18 is urged toward the load wheel 11 by the urging means 21 comprising a compression spring, the head 33a of the push rod 33 It functions as a stopper for stopping the load adjusting means 18 at the strong position H.

The motor switch 31 includes an actuating button 31a facing the push rod 33. The actuating button 31a normally holds a projecting state by a spring or the like, and in this state, the switch 31 is turned off, The power supply circuit 30 is opened.

When the load adjusting means 18 is moved to the switching position S, the actuating button 31a of the motor switch 31 is pushed by the head 33a of the push rod 33, whereby the switch 31 is turned ON, and the power is reduced. The supply circuit 30 is closed.

Therefore, when the load adjustment means 18 is moving between the strong position H and the weak position L, the motor switch 31 holds the OFF state, and the load adjustment means 18 performs the switching. It is moved to the position S, and is configured to be turned ON only when the actuating button 31a is pressed by the head 33a of the push rod 33.

In the case of the illustrated embodiment, the power supply circuit 30 is provided with a relay 35. When the motor switch 31 is turned on, the relay 35 energizes the coil 35a to turn on the contact 35b to close the power supply circuit 30, but as long as the motor switch 31 is turned off. , And the contact 35b is turned off to open the power supply circuit 30.

A clutch means 36 is provided between the electric motor 27 and the load wheel 11, and the clutch means 36 transmits the rotation of the electric motor 27 to the load wheel 11, but the rotation of the load wheel 11 is the electric motor 27. Does not transmit to the one-way clutch.

In the case of the illustrated embodiment, the clutch means 36 constituting the one-way clutch is interposed between the electric motor 27 and the rotary body 28 such as the pulley. Therefore, when the electric motor 27 is driven to perform a rehabilitation exercise, the clutch means 36 rotates the rotating body 28 to rotate the load wheel 11 and the drive wheel 9 via the interlocking means 29 and the interlocking means 16. Do. However, conversely, when the load motion is performed by stopping the electric motor 27 and stepping on the pedal 10, the load wheel 11 and the rotor are rotated by the rotation of the drive wheel 9 through the interlocking means 16 and the interlocking means 29. 28 is rotated, but the rotation of the rotary body 28 is not transmitted to the electric motor 27 by the clutch means 36, and the electric motor 27 is not rotated.

(Use as ergometer for rehabilitation exercise)
According to the multipurpose ergometer 1 configured as described above, when the user moves the load adjusting means 18 to the switching position S by the actuator 19 in a state in which the user gets on the saddle 14 and the main switch 32 is turned on, the motor switch 31 and The relay 35 is turned on and the power supply circuit 30 is closed, whereby the electric motor 27 is driven. As a result, the drive wheel 9 is rotated together with the load wheel 11, so that a rehabilitation exercise can be performed by causing the rotating pedal 10 to follow the user's stepping motion.

At this time, as described above, if the rotation speed of the electric motor 27 can be increased or decreased via the motor control means 25b by operating the operation panel 26, the movement ability of the user is met. It is possible to perform rehabilitation exercise by the number of rotations.

As described above, when a user such as a healthy person is performing a load exercise, that is, when performing a load exercise to rotate the load wheel 11 to which a load is applied by stepping on the pedal 10, Since the load adjusting means 18 is located between the strong position H and the weak position L and the motor switch 31 is not turned on , the electric motor 27 is accidentally turned on even when the main switch 32 is turned on. There is no danger of driving and hurting the user's foot, and it is possible to perform load exercise safely.

Moreover, in the case of the illustrated embodiment, the rotating body 28 such as a pulley also rotates in response to the rotation of the load wheel 11 during the load exercise, but the electric motor 27 is not rotated by the clutch means 36. There is no possibility that the electric motor 27 will be damaged.

By the way, when the load adjustment means 18 is brought close to the weak position L during the load exercise, the load of the load wheel 11 is reduced, so that the user can turn the pedal 10 in the reverse direction. Such a reversal is not an original exercise method, but can not be denied as a possibility.

Thereby, when the drive wheel 9 and the load wheel 11 reversely rotate, the rotary body 28 such as a pulley is reversely rotated. At this time, the one-way function of the clutch means 36 does not work in the reverse rotation direction, and the electric motor 27 may be rotated in the reverse rotation direction. Then, an electromotive force is generated by the reverse rotation of the electric motor 27, and a current is applied to the circuit board 25, which may damage the circuit board 25. In this regard, according to the above embodiment, the relay 35 is provided, and the motor switch 31 is held OFF during load movement, and the contact 35b of the relay 35 is in the OFF state. The circuit board 25 is prevented from being damaged.

DESCRIPTION OF SYMBOLS 1 Ergometer 2 Leg seat 3 Base frame 4 Saddle post 4a Extension post 5 Handle post 6 Horizontal frame 7 Diagonal frame 8 Bearing 9 Drive wheel 10 Pedal 11 Load wheel 12 Bracket 13 Stay 14 Saddle 15 Handle grip 16 Interlocking means 17 Load means 18 load adjustment means 18b tongue piece 19 actuator 19a manual actuator 19b electric actuator 20 support piece 21 biasing means 22 operation means 22a drive body 22b display disk 23 cable 23a outer cable 23b inner cable 24 support piece 25 circuit board 25a load control Means 25b Motor control means 26 Operation panel 27 Electric motor 28 Rotator 29 Interlocking means 30 Power supply circuit 31 Switch for motor 32 Main switch 33 Push rod 33a Head 34 Section locking means 35 relay 35a coil 35b contacts 36 clutch means

Claims (5)

A load exercise for rotating the load wheel (11) by applying a stepping motion of the user to the pedal (10) and a pedal exercise (10) for the user's stepping motion by rotating the load wheel (11) by the electric motor (27) It is a multipurpose ergometer that makes it possible to select a rehab exercise to follow
With respect to the load movement, load means (17) for applying a load by resistance to the load wheel (11), and resistance by the load means by moving from the strong position (H) to the weak position (L) A load adjusting means (18) which is lowered gradually and can be moved to the switching position (S) exceeding the weak position (L), and the load adjusting means between the strong position (H) and the switching position (S) An actuator (19) to be moved at a position at which the load adjusting means is selected by the actuator, and display means (22b, 26) for displaying the position of the load adjusting means ;
An electric motor (27) for driving and rotating the load wheel (11), and a power supply circuit (30) comprising a main switch (32) for supplying electric power to the electric motor with respect to the rehabilitation movement, and the power supply circuit A motor switch (31) is provided to open and close (30) ,
The motor switch (31) enables rehabilitation by turning on the power supply circuit (30) only when the load adjustment means (18) is moved to the switching position (S). In the load movement in which the load adjustment means (18) is positioned at the high and low positions (H, L), the electric power supply circuit (30) is turned off to turn on the main switch (31). A multipurpose ergometer characterized in that the motor (27) is not supplied with power . A clutch means (36) is provided between the electric motor (27) and the load wheel (11), which transmits the rotation of the electric motor (27) to the load wheel (11). A multipurpose ergometer according to claim 1, characterized in that it comprises a one-way clutch which does not transmit the rotation of 11) to the electric motor (27). A motor control means (25b) for controlling the number of revolutions of the electric motor (27) is provided, and a power supply circuit (30) formed between the motor control means and the electric motor is relayed together with the motor switch (31). (35) is provided,
The relay (35) is configured to turn on the relay when the motor switch is turned on, and turn off the relay when the motor switch is turned off. The multipurpose ergometer according to claim 1 or 2. The actuator (19) is characterized in that it comprises a cable (23) for moving the load adjusting means (18) and operating means (22) for manually driving the cable in the axial direction. The multipurpose ergometer according to 1, 2 or 3. The actuator (19) is characterized by comprising an electric drive means (19b) for moving the load adjustment means (18) and a load control means (25a) for controlling the electric drive means based on a program. The multipurpose ergometer according to claim 1, 2 or 3.

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