JP2020039797A - Oscillation mechanism - Google Patents

Abstract

To provide an oscillation mechanism capable of further improving various effects such as effects of balancing exercise and stretching exercise and a massaging effect by enabling sufficient application of twisting exercise, traction operation, massaging or the like to a user by enabling arbitrary switching of an oscillation angle of an oscillation transmission member to be transmitted to an oscillation target.SOLUTION: An oscillation mechanism includes: an oscillation conversion unit for converting rotation driving force to reciprocating oscillation movement; and an oscillation transmission member for transmitting the converted reciprocating oscillation movement to an oscillation target. The oscillation conversion unit is configured to be capable of switching an oscillation angle of the oscillation transmission member from one oscillation angle to another oscillation angle.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a swing mechanism, for example, an exercise device that allows the user to perform a balance exercise, an exercise device that can stretch the treatment unit of the user, and a treatment unit of the user The present invention relates to a swing mechanism provided in a massage machine for massaging.

  2. Description of the Related Art Conventionally, there is a seating-type exercise device that can perform a balance exercise for maintaining a posture of a user by giving a twist exercise to the user (for example, see Patent Document 1). Also, there is a waist exercise machine or the like that can stretch the waist by giving a twisting motion, a pulling action, or the like to the waist, which is a treatment section of the user (for example, see Patent Literature 2). There is also a massage device that can massage a treatment section of a user (for example, see Patent Literature 3).

The exercise device that can perform the balance exercise and the stretch exercise exemplified above, and the massage machine that massages the treatment section of the user generates a rocking motion, and imparts a twisting motion or a massage motion to the user by the rocking motion. Swing mechanism is provided.
The oscillating mechanism includes at least an oscillating conversion unit that converts the rotational driving force into a reciprocating oscillating motion in the left-right direction, and an oscillating transmission member that transmits the converted reciprocating oscillating motion to the object to be oscillated. Have. The swing transmission member corresponds to, for example, a support member provided at a lower portion of a seat in the balance exercise device of Patent Document 1, and corresponds to a bracket portion in a swing exercise machine of Patent Document 2, The massage device of Patent Document 3 corresponds to a massage member. In addition, the swing target corresponds to, for example, a seat in the balance exercise device of Patent Literature 1, corresponds to a lower limb rest portion in the rocking exercise machine of Patent Literature 2, and a massage device of Patent Literature 3, It corresponds to a treatment child.

JP-A-2006-106998 JP 2013-236806 A JP-A-2005-024088

By the way, the sitting exercise device disclosed in Patent Document 1, the lumbar exercise device disclosed in Patent Document 2, the massage device disclosed in Patent Document 3, and the like, provide a user with a twisting motion and a traction. Motion, massage, and the like can be sufficiently provided, and various effects can be expected.
However, in recent years, demands for exercises and massages such as balance and stretch have become diverse, and for example, "a device that performs a rocking exercise such as a balance exercise or a stretch exercise can perform a small torsional exercise or conversely perform a large torsional exercise. I want them to be able to do that. " In addition, there is also a request that "I want to be able to change the massage comfort of the treatment section."

In other words, there is a demand to develop an exercise device or massage device (oscillation mechanism) that can switch the magnitude of the oscillation (the oscillation angle of the oscillation transmission member) according to the user's preference at that time. From the people.
In view of the above problems, the present invention makes it possible to arbitrarily switch the swing angle of a swing transmission member that transmits to a swing target, and provides a user with a twisting motion, a pulling motion, a massage, and the like. An object of the present invention is to provide a rocking mechanism capable of further improving various effects such as a balance exercise, a stretching exercise effect, a massage effect, and the like by allowing sufficient application.

In order to achieve the above object, the following technical measures have been taken in the present invention.
The swing mechanism according to the present invention includes a swing conversion unit that converts a rotational driving force into a reciprocating swing motion, and a swing transmission member that transmits the converted reciprocating swing motion to a swing target. The swing converter is characterized in that the swing angle of the swing transmission member can be switched from one swing angle to another swing angle.

  In addition, the swing mechanism according to the present invention is provided with a swing transmission member that transmits a reciprocating swing motion to a swing target, a swing transmission member that is arranged so that an axis thereof is oriented in a horizontal direction, and a base of the swing transmission member. A rotating shaft provided so as to penetrate the end side in the left-right direction, a driving unit for rotating the rotating shaft, and a rotating shaft provided on a base end side of the swing transmission member, for rotating the rotating shaft. A swing conversion unit that converts a force into a reciprocating swing motion to swing the swing transmission member, and a swing switching unit that switches a swing angle of the swing transmission member. Features.

Preferably, the swing switching unit is provided in the swing conversion unit.
Preferably, the swing switching unit includes a plurality of switching stages, and each time the stage is switched, the swing transmission member switches to a predetermined swing angle.
Preferably, the swing switching unit has a convex positioning piece and a concave positioning part, and the positioning part is provided for at least two of the positioning pieces, A groove that connects each of the positioning portions is formed, and the positioning piece passes through the groove from one positioning portion and is fitted into and engaged with another positioning portion, so that the swinging motion is achieved. It is preferable that the transmission member is configured to switch to a predetermined swing angle.

  Preferably, the positioning portion has a surface with one raised wall surface, and the positioning piece comes into contact with the one wall surface and is engaged with the one positioning portion, whereby the swing transmission is performed. The member is capable of transmitting a reciprocating rocking motion in the left-right direction to the rocking object, is separated from the one wall surface, disengaged from the one positioning portion, and passed through the groove portion. It is preferable that the rocking transmission member, which is configured to switch the stage by fitting into and engaging with the other positioning portion, switches to a predetermined rocking angle.

  Preferably, the swing switching unit is provided with three of the positioning pieces, and at least six or more of the positioning units are provided, and among the six or more positioning units, one of the three positioning units is provided. Is the position A, the other three of the positioning portions are the position B, the position A and the position B are provided at adjacent positions, and at the position A, the positioning piece and the positioning portion Is engaged, the swing angle is switched to the swing angle α of the swing transmission member. At the position B, when the positioning piece and the positioning portion are engaged, the swing angle β of the swing transmission member is changed. It is good to be able to switch to.

  According to the present invention, it is possible to arbitrarily switch a swing angle of a swing transmission member that transmits to a swing target, and to sufficiently impart a twisting motion, a pulling motion, a massage, and the like to a user. Various effects such as a balance exercise, a stretching exercise effect, and a massage effect can be further improved by being able to do so.

It is a front perspective view showing the balance exercise device provided with the rocking mechanism of a 1st embodiment. It is a front view showing the balance exercise device provided with the rocking mechanism of a 1st embodiment. It is a development view showing the balance exercise device provided with the rocking mechanism of the first embodiment. It is a front sectional view showing the balance exercise device provided with the rocking mechanism of a 1st embodiment. It is a right side perspective view showing a rocking conversion part and a rocking switching part of a 1st embodiment. It is a left side perspective view showing a rocking conversion part and a rocking switching part of a 1st embodiment. It is a front sectional view showing a rocking conversion part and a rocking switching part of a 1st embodiment. FIG. 3 is an exploded view of a swing conversion unit and a swing switching unit according to the first embodiment. FIG. 3 is an exploded view of the swing switching unit according to the first embodiment. It is a side sectional view showing a rocking conversion part and a rocking switching part of a 1st embodiment. FIG. 3 is a perspective view illustrating a rotating member that constitutes a swing switching unit according to the first embodiment. It is the side view and XX sectional drawing which show the rotating member of 1st Embodiment, It is the figure which showed typically the rocking | swing angle (alpha) of the rocking | fluctuation transmission member (positioning part and position A). It is the side view and YY sectional view which show the rotating member of 1st Embodiment, and is the figure which showed typically the swing angle (beta) of the swing transmission member (positioning part and position B). It is a right side perspective view showing a rocking conversion part and a rocking switching part of a 2nd embodiment. It is an exploded view of a swing switching part of a 2nd embodiment. It is a right side perspective view which shows the rocking | swiveling switching part of 2nd Embodiment. It is a perspective view showing a rotation member which constitutes a rocking switching part of a 2nd embodiment. It is a use aspect figure of the balance exercise device provided with the rocking mechanism of the present invention.

Hereinafter, an embodiment of the swing mechanism 12 according to the present invention will be described with reference to the drawings. In the present embodiment, the swing mechanism 12 will be described using the balance exercise device 1 as an example.
It should be noted that the embodiment described below is an example in which the present invention is embodied, and the specific example does not limit the configuration of the present invention. In the drawings, some components are omitted for easy viewing. In addition, directions for explanation are illustrated in the drawings as appropriate. In the following description, the swing mechanism 12 provided in the balance exercise device 1 will be described in detail.
[First Embodiment]
The balance exercise apparatus 1 includes a vehicle 5 on which the user M can ride in various postures, and a swing mechanism disposed below the vehicle 5 and configured to reciprocate the vehicle 5 back and forth and right and left. And a base 2 on which the swing mechanism 12 is provided and which can be placed on the floor F.

The balance exercise device 1 is configured to maintain a posture by twisting or stretching the body of the user M whose posture is likely to collapse on the unstable vehicle 5 which is shaken by the swing mechanism 12. Thus, it is possible to perform strength training (balance exercise) on the trunk and the like.
As shown in FIGS. 1 to 4, the base body 2 is a flat plate having a substantially circular shape in plan view, on which a swing mechanism 12 and a control unit (not shown) for controlling the swing mechanism 12 are provided. Are installed. A base 3 on which the swing mechanism 12 is mounted is erected on the base body 2. Further, on the bottom surface (lower surface) of the base body 2, there are provided leg portions 4 that can be stably mounted on the floor surface F or the like. The structure of the base 2 is not limited, and may be any structure that can be stably supported on the floor F even during operation of the apparatus.

Above the base body 2 on which the swinging mechanism 12 and the like are installed, a vehicle 5 on which the user M can board in various postures is provided.
The boarding body 5 is formed in a shape like an upwardly convex, for example, a semi-circular dome-shaped roof. That is, the vehicle 5 has a shape that curves upward in a side view such that only the upper portion of the sphere is left, and a space is formed below the vehicle. Moreover, even if the reciprocating swinging movement for the user M is performed, the vehicle 5 has a size that allows the user to ride safely.

  Specifically, the vehicle 5 has a circular shape in plan view, and has a diameter larger than the diameter of the base body 2. When viewed from above, the center position of the vehicle 5 and the center position of the base 2 are substantially the same, and the vehicle 5 is configured to hide the base 2. The boarding body 5 has a center portion higher than a peripheral edge portion, and the user M rides on the center portion while maintaining a balance. That is, if the user M rides on the vehicle 5 having the convex shape, the user cannot sit stably, so that the user M can perform the balance exercise.

The mounting body 5 includes a dome-shaped core body 6 formed of hard plastic or the like inside, and an intermediate material 7 formed of urethane or the like on the entire upper surface side, and further outside the intermediate material 7. A covering material 8 made of silicon rubber or the like is provided. In other words, a structure (laminated structure) in which the core body 6, the intermediate material 7, and the coating material 8 are stacked in this order from the lower side.
Further, a plurality of anti-slip ribs 9 are formed on the upper surface of the vehicle 5 (covering material 8) to prevent the user M from sliding off the vehicle 5 on which the user M is seated. On the upper surface of the vehicle 5, an operation panel 10 for operating the balance exercise apparatus 1 such as turning on / off a power supply is installed. The operation panel 10 is configured so that the operation status can be grasped by an embedded LED or the like.

Note that the trajectory of the vehicle 5 is different between the front-back direction and the left-right direction. For example, it swings back and forth and right and left so as to draw a figure-eight trajectory. Therefore, it is preferable that a mark (a mark indicating front, rear, left and right) simply indicating the seating position is engraved on the vehicle 5.
Further, in order to enhance safety such as avoiding an inconvenient situation such as being pinched by the vehicle 5 reliably, the outer periphery of the vehicle 5 may be provided so as to cover a flexible elastic member.

A lining material 11 is provided between the lower side of the vehicle 5 and the upper side of the base body 2. Further, the lining material 11 in which a sponge body is inserted may be used. With such a lining material 11, the hand of the user M or the like cannot enter the inside of the apparatus, and it is possible to prevent the hand from being pinched by the swinging vehicle 5.
Although the vehicle 5 of the present embodiment shown in FIGS. 1 to 4 has a circular shape, it is not limited to this shape. For example, the vehicle 5 may have an elliptical shape in plan view.

As shown in FIGS. 3 and 4, on the base body 2 and below the vehicle 5, the vehicle 5 is reciprocally oscillated back and forth and left and right, so that the vehicle An oscillating mechanism 12 that twists to rotate 5 and generates a twisting operation is provided.
The swinging mechanism 12 supports the vehicle 5 from below, and is provided with a support member 13 that transmits a reciprocating rocking motion in the left-right direction with respect to the vehicle 5, and is disposed so that an axis thereof is oriented in a horizontal direction, and A rotation shaft 16 provided to penetrate the base end side of the support member 13 in the left-right direction, a driving unit 18 for rotating the rotation shaft 16, and a base end side of the support member 13. A swing converter 21 that converts the rotational force of the rotating shaft 16 into a reciprocating swing motion along the left-right direction to swing the support member 13, and a swing switching unit 33 that switches the swing angle of the support member 13. And

In the present embodiment, the support member 13 is a swing transmission member, and the swing target is the vehicle 5.
As shown in FIGS. 3 and 4, the drive unit 18 has a drive motor 19 that outputs a rotational driving force, and a speed reducer 20 that reduces the speed to a predetermined speed. The drive motor 19 is provided on the rear side of the rotary shaft 16, and the output shaft is inserted into the left reducer 20. The speed reducer 20 reduces speed to a predetermined speed, and reduces the output input from the output shaft of the drive motor 19 to output to the rotary shaft 16. The drive motor 19 is connected to the rotation shaft 16 via a speed reducer 20.

  The rotating shaft 16 is installed on the base 3 provided on the base body 2 so that the axis thereof is oriented in the left-right direction. Specifically, as shown in FIG. 4, the left end side of the rotating shaft 16 is inserted into the speed reducer 20 of the drive unit 18 provided on the base 3, and is connected to the base 3 via the bearing 17. It is supported rotatably about the axis that faces. Further, the right end side of the rotating shaft 16 is supported by the base 3 via a bearing 17 so as to be rotatable around an axis extending in the left-right direction.

Further, at the right end of the rotating shaft 16, a shaft angle detecting unit 41 (details will be described later) for detecting the rotating angle of the rotating shaft 16 is provided.
The support member 13 is a swing transmission member that transmits the reciprocating swing motion converted by the swing conversion unit 21 to the vehicle 5 to be swung, and supports the vehicle 5 from below. It is. The support member 13 has sufficient strength to withstand the load (weight) of the user M who is on the vehicle 5.

The support member 13 includes a mounting portion 14 to which the vehicle 5 is attached, and a support portion 15 that supports the mounting portion 14 from below.
As shown in FIGS. 3 and 4, the mounting portion 14 is a plate-shaped member arranged along the horizontal direction, and is provided with the core 6 constituting the vehicle 5. The support portion 15 is formed in a shape extending from the lower end toward the upper end where the mounting portion 14 is provided, as viewed from the front.

  As shown in FIG. 5, the support portion 15 has an expanded shape that extends from the lower end to the upper end in a side view. That is, the support portion 15 is a substantially inverted triangular member that has a thickness in the left-right direction and a width on the upper end side that is wider in the front-rear direction than on the lower end side. At the lower end of the support portion 15, a regulation pin 31 constituting the regulation portion 30 is provided. In addition, as for the support member 13, the mounting portion 14 and the support portion 15 are preferably integrally formed.

As described above, as shown in FIGS. 1 to 4, the support member 13 including the mounting portion 14 and the support portion 15 is short, and the height of the vehicle 5 is reduced, and Therefore, the user M can perform the balance exercise with confidence.
On the lower end (base end) side of the support member 13, a swing conversion unit 21 that converts the rotational driving force from the rotary shaft 16 into a reciprocating swing motion is provided.

As shown in FIGS. 5 to 13 and the like, the swing conversion unit 21 converts the rotational driving force from the rotary shaft 16 into a reciprocating swing motion, and transmits the reciprocating swing motion to the vehicle 5 by the support member 13 to move the vehicle back and forth, left and right Make reciprocating rocking motion.
The swing conversion unit 21 is fixed to the rotation shaft 16 and rotates integrally with the rotation shaft 16, and is provided at the base end of the support member 13 (swing transmission member). And a restricting portion 30 for restricting the support member 13 from rotating together with the rotating shaft 16.

  The rotating boss portion 22 is fitted around the rotating shaft 16 so as to rotate, and rotates with the rotation of the rotating shaft 16. A cam surface 23 that is inclined with respect to the rotating shaft 16 is provided on the outer peripheral surface of the rotating boss 22. The direction of the axis of the rotating boss 22 and the direction of the axis of the rotating shaft 16 are eccentric in different directions, and the rotating boss 22 rotates obliquely with respect to the rotation of the rotating shaft 16. The reciprocating swinging motion of the support member 13 is realized by the inclination of the rotating boss portion 22 (cam surface 23).

As shown in FIGS. 9 and 11, the rotating boss portion 22 of the present embodiment includes a rotating member 24 fixed to the rotating shaft 16 and a ring member 27 fitted on the outer peripheral edge of the rotating member 24. are doing.
The rotating member 24 has a cylindrical portion 25 attached so as to cover the outer periphery of the rotating shaft 16, and a spherical portion 26 formed so as to surround the outer peripheral side of the cylindrical portion 25. In other words, the rotating member 24 is a member in a state where the cylindrical portion 25 has penetrated the spherical portion 26. The rotation member 24 is screwed to the rotation shaft 16 so that the rotation shaft 16 and the swing conversion unit 21 are reliably rotated.

The ring member 27 is a member that fits on the outer peripheral edge of the spherical body portion 26, and is a divided body divided into two in the left-right direction. That is, the ring member 27 is externally fitted so as to sandwich the spherical body portion 26 from the left and right. A cam surface 23 that is inclined with respect to the rotation shaft 16 is provided on the outer peripheral surface of the ring member 27.
The annular fitting portion 28 is formed on the support member 13 and externally fits through the bearing 29 in a state where the rotary boss portion 22 (ring member 27) is relatively rotatable. The support member 13 makes a reciprocating swing motion by the tilt rotation and the eccentric rotation of the rotary boss portion 22.

  The restricting portion 30 restricts the annular fitting portion 28 from rotating around the rotating boss portion 22. The restricting portion 30 is provided below the rotating shaft 16. The regulating portion 30 includes a regulating pin 31 provided on the base end side of the support member 13 and a regulating groove 32 provided at a position facing the regulating pin 31 and into which the regulating pin 31 is slidably fitted. Have. The regulating pin 31 is a columnar projection, and protrudes downward from the base end of the support member 13 (below the annular fitting portion 28). The regulating groove 32 is provided on the base body 2 below the regulating pin 31. The restriction groove 32 is a long groove in the left-right direction, and the restriction pin 31 is slidably inserted in the left-right direction.

  The swing mechanism 12 of the present invention is characterized in that the swing conversion unit 21 is provided with a swing switching unit 33. That is, the swing angle of the support member 13 (swing transmission member) that transmits the reciprocating swing motion to the vehicle 5 (the swing target) is changed to the swing conversion unit 21 by one swing angle (for example, A swing switching unit 33 that can switch from a small swing angle (a small swing angle) to another swing angle (for example, a large swing angle) is provided.

The swing switching unit 33 includes a plurality of switching stages, and each time the stage is switched, the support member 13 switches to a predetermined swing angle.
In the present embodiment, the rotation boss unit 22 is provided with a swing switching unit 33. Further, the rotation shaft 16 is configured to be able to switch the rotation. In other words, the rotation direction of the rotating shaft 16 is different between the time of the reciprocating swing motion of the support member 13 and the time of switching the swing angle of the support member 13.

As shown in FIGS. 5, 9, 10, etc., when the rotation of the rotating shaft 16 during the reciprocating swing motion of the support member 13 is positive rotation (clockwise), the swing angle of the support member 13 when switching the swing angle is changed. The rotation of the rotating shaft 16 is reversed (counterclockwise).
As shown in FIG. 9, the swing switching section 33 is provided on the convex positioning piece 34 provided on the ring member 27 constituting the rotating boss section 22 and the rotating member 24. And a positioning portion 35 having a concave shape.

In the present embodiment, the positioning piece 34 is an engagement pin stored in a holder 37 provided on the ring member 27.
Meanwhile, the ring member 27 is a divided body divided into two in the left-right direction, and each of the left and right divided bodies is provided with a plurality of semicylindrical concave portions 36. The concave portion 36 is provided at a position facing the concave portion, and has a cylindrical shape when the two divided bodies are combined.

As shown in FIG. 10, in the present embodiment, when the ring member 27 is viewed from the side, the concave portions 36 are provided at the vertices of the equilateral triangle. That is, three concave portions 36 are provided at equal intervals.
The concave portion 36 is provided with a cylindrical holder 37. That is, the concave portion 36 fits the holder 37 outside. The holder 37 stores an engagement pin. The engagement pin can be freely extended and retracted in the axial direction by a spring (not shown) stored in the holder 37. This engaging pin is a convex positioning piece 34 that can engage with the concave positioning section 35.

In other words, the ring member 27 is externally fitted so as to sandwich the spherical body portion 26 from the left and right, and the holder 37 is externally fitted by the concave portion 36.
As shown in FIGS. 10 and 11, a plurality of positioning portions 35 are formed on the spherical portion 26 of the rotating member 24. That is, at least two or more positioning portions 35 are provided for one positioning piece 34.

  When the spherical portion 26 of the rotating member 24 is viewed in a side sectional view, the positioning portion 35 has a surface where one wall surface 38 is steep, and the other wall surface 39 facing the one wall surface 38 is an inclined surface. I have. The one wall surface 38 is a surface that faces the vertical direction or a slope that is slightly inclined from the vertical direction, and is a portion that engages the positioning piece 34. The other wall surface 39 is a gentle slope, and is a portion through which the positioning piece 34 passes.

  A groove 40 connecting each of the concave positioning portions 35 is formed in the spherical portion 26. That is, it can be said that the groove portion 40 has a plurality of concave portions on the bottom portion. The groove 40 is formed around the outer periphery of the spherical body 26 so as to form an endless track. As will be described in detail later, the groove portion 40 is formed so as to orbit the outer periphery of the spherical portion 26 while meandering with respect to the rotating shaft 16. In other words, it can be said that each of the positioning portions 35 is not provided on the same straight line in the radial direction of the spherical body portion 26 (direction intersecting with the axis).

The positioning piece 34 is slidably fitted into the groove 40. The groove 40 supports the positioning piece 34 so as to be sandwiched from both left and right sides, and guides the positioning piece 34.
In the present embodiment, for example, when the sphere portion 26 of the rotating member 24 is viewed in a side sectional view at the position shown in FIG. 10, the positioning portions 35 are respectively provided at the vertices of an equilateral triangle. These three positioning portions 35 are referred to as position A. That is, three positioning portions 35 at the position A are provided at equal intervals. The position A is a positioning portion 35 used when switching to the swing angle α of the support member 13.

Further, when the spherical portion 26 of the rotating member 24 is viewed in a side sectional view, the positioning portions 35 are provided at the vertices of the inverted regular triangle, respectively. These three positioning portions 35 are referred to as position B. That is, three positioning portions 35 at the position B are provided at equal intervals. The position B is a positioning portion 35 used when switching to the swing angle β of the support member 13.
That is, in this embodiment, three positioning pieces 34 are provided, and at least six or more positioning parts 35 are provided, and the positioning part 35 at the position A and the positioning part 35 at the position B are located at adjacent positions. It is provided in.

At the position A, when the positioning piece 34 and the positioning portion 35 are engaged, the swing angle α of the support member 13 is switched. When the positioning piece 34 and the positioning portion 35 are engaged at the position B, the swing angle β of the support member 13 is switched.
Here, the movement of the positioning piece 34 will be described.
As shown in FIG. 10, for example, when the positioning piece 34 is located at the positioning section 35 at the position A, the positioning piece 34 comes into contact with and engages with one wall surface 38 of the positioning section 35 at the position A. I have. In this case, the support member 13 (the swing transmission member) has the swing angle α. At this time, the support member 13 can transmit the reciprocating swing motion at the swing angle α to the vehicle 5 (the swing target).

  During the reciprocating swing movement of the support member 13, since the engagement between the positioning piece 34 and the positioning portion 35 is at three points, the support member 13 is supported at three points. Further, since the engagement between the positioning piece 34 and the positioning portion 35 is at three points, the rotating boss portion 22 is rotated by a large load from the user M during the reciprocating swinging motion. Slip does not occur on the rotating shaft 16.

  Next, assuming that the positioning piece 34 is moved to the positioning part 35 at the position B, the rotating shaft 16 is rotated backward, the positioning piece 34 is separated from one wall surface 38, and the positioning piece 34 is moved to the positioning part 35 at the position A. Release the engagement. Then, the positioning piece 34 passes through the other wall surface 39 and heads toward the groove 40. Further, the positioning piece 34 passes through the groove 40 and fits into the positioning part 35 at the position B. At this time, the positioning piece 34 comes into contact with and engages with one wall surface 38 of the positioning portion 35 at the position B.

In this case, the support member 13 has the swing angle β. At this time, the support member 13 can transmit the reciprocating swing motion at the swing angle β to the vehicle 5.
As described above, the swing switching portion 33 is configured such that the positioning piece 34 passes through the groove 40 from the positioning portion 35 at the position A and is fitted into and engaged with the positioning portion 35 at the position B, so that the support member 13 Is switched to a predetermined swing angle.

That is, the swing switching unit 33 rotates the rotating shaft 16 in one direction (clockwise in FIG. 10) when the support member 13 is caused to reciprocate and swing, and engages the positioning piece 34 with the positioning unit 35. , The rotating member 24 and the ring member 27 are integrally rotated. Thus, the support member 13 reciprocates and swings.
When switching the swing angle of the support member 13, the swing switching unit 33 stops the swing of the support member 13 and rotates the rotation shaft 16 in the opposite direction (counterclockwise in FIG. 10). The rotating member 24 is rotated. Then, the engagement between the positioning piece 34 and the positioning portion 35 is released, and the inclination angle of the ring member 27 is changed. By changing the inclination angle of the ring member 27, the swing angle of the support member 13 is switched.

In other words, the swing switching unit 33 switches the rotation direction of the rotating shaft 16 to engage and disengage the positioning piece 34 and the positioning unit 35, and switches the reciprocating swing motion and the swing angle of the support member 13. Possible.
Here, the swing angle of the support member 13 will be described.
FIG. 12 is a diagram of the rotating member 24, and schematically shows the swing angle α of the support member 13 (positioning portion 35, position A). In addition, the right view of FIG. 12 is a front view of the rotating member 24, and the left view is an XX cross-sectional view (side cross-sectional view).

  As shown in FIG. 12, assuming that one of the positioning portions 35 at the position A is positioned upward, as shown in the left diagram, the positioning portion 35 looks at the rotating member 24 in the XX cross-sectional view when viewed from the axial direction. , The vertices of the equilateral triangle. At that time, the positioning portion 35 at the position B is located at the vertex of the inverted regular triangle. That is, the six positioning portions 35 are provided at the vertices of the regular regular hexagon.

As shown in the right view of FIG. 12, a vertical line passing through the center of the spherical body portion 26 is drawn in a front view of the rotating member 24. Next, a straight line connecting two points, an upper point and a lower point, of the positioning unit 35 at the position A is drawn. The angle α formed by these two straight lines is the inclination of the ring member 27, and is the swing angle α of the support member 13.
For example, when the angle α is 6 °, the ring member 27 is inclined by 6 °. That is, the swing angle α of the support member 13 is 6 °. In this case, the support member 13 swings at an angle of 6 ° left and right during the reciprocating swing movement.

FIG. 13 is a diagram of the rotating member 24, and schematically shows the swing angle β of the support member 13 (positioning portion 35, position B). 13 is a front view of the rotating member 24, and the left figure is a YY sectional view (side sectional view).
As shown in FIG. 13, when one of the positioning portions 35 at the position B is positioned upward, as shown in the left diagram, the positioning portion 35 is in a YY sectional view when the rotating member 24 is viewed from the axial direction. , The vertices of the equilateral triangle. At that time, the positioning unit 35 at the position A is located at the vertex of the inverted regular triangle.

As shown in the right view of FIG. 13, a vertical line passing through the center of the spherical body portion 26 is drawn in a front view of the rotating member 24. Next, a straight line connecting two points, an upper point and a lower point, of the positioning unit 35 at the position B is drawn. The angle β formed by these two straight lines is the inclination of the ring member 27, and is the swing angle β of the support member 13.
For example, if the angle β is 12 °, the ring member 27 is inclined by 12 °. That is, the swing angle β of the support member 13 is 12 °. In this case, the support member 13 swings at an angle of 12 ° left and right with respect to the vertical direction during the reciprocating swing movement.

When the positioning portions 35 are connected in order from the position A to the position B to the position A, the groove 40 is formed to meander around the outer periphery of the spherical portion 26.
The swing angle of the support member 13 is exemplified by 6 ° (position A) and 12 ° (position B), but is not limited to this angle. For example, the swing angle of the support member 13 (the inclination angle of the ring member 27) may be a combination of an angle at which the swing is reduced and an angle at which the swing is increased.

  That is, a specific numerical value of the swing angle of the support member 13 can be arbitrarily set. Further, the number of the positioning portions 35 is preferably set to be 3 × n (n） 1) because it is preferable to support the support member 13 at three points. In other words, the positioning portion 35 may be provided so as to form a regular star polygon (octagon, decagon, dodecagon, etc.) when the sphere portion 26 is viewed from the side.

Returning to FIGS. 5 to 7, the shaft angle detection unit 41 and the origin return unit 42 will be described.
The shaft angle detector 41 is provided at the right end of the rotating shaft 16 and detects the rotating angle of the rotating shaft 16. Note that a rotary encoder or the like may be used as the shaft angle detection unit 41.
The shaft angle detection unit 41 detects the position of the rotation shaft 16 when the rotation angle of the rotation shaft 16 reaches a predetermined rotation angle at the time of switching the swing angle. The detected position indicates that the positioning piece 34 has moved to the positioning portion 35 at the position A or the position B. That is, the position detected by the shaft angle detection unit 41 indicates that the swing angle α of the support member 13 is 6 ° or β = 12 °.

That is, when the positioning piece 34 moves from the position A to the positioning part 35 at the position B, for example, the shaft angle detection unit 41 switches the swing angle of the support member 13 from α = 6 ° to β = 12 °. Detect that. Upon detection, the rotation of the rotating shaft 16 is stopped.
The home position return unit 42 detects that the balance exercising device 1 has returned to the home position when the swing angle of the support member 13 is switched. The origin return unit 42 includes a search piece 43 attached to the ring member 27, a return unit 44 attached to the support member 13, and a detection unit 45 that detects that the origin has been returned. In the origin return unit 42, when the rotating search piece 43 comes into contact with the return unit 44 and stops, the return to the origin of the balance exercise device 1 is completed.

The return portion 44 is a rectangular plate, and is attached to an upper portion of the support member 13 (the annular fitting portion 28). The return portion 44 is provided in a hanging shape, and a lower portion is located on a side of the ring member 27.
The search piece 43 is a triangular plate piece, and the vertical side 46 comes into contact with and is engaged with the return portion 44.

The detection unit 45 is provided at a position facing the return unit 44 and the search piece 43 with the support member 13 interposed therebetween. The detection unit 45 detects that the search piece 43 has returned to the origin of the balance exercise device 1 when the vertical side 46 of the search piece 43 contacts and engages with the return unit 44. In FIG. 5, the side facing in the vertical direction is referred to as a vertical side 46, and the side inclined with respect to the vertical direction is referred to as an inclined side 47.
As shown in FIG. 5, in the reciprocating rocking motion in which the rotation shaft 16 rotates forward, the search piece 43 returns when the inclined side 47 contacts the return portion 44 because the inclined side 47 moves downward. It passes through without being engaged with the portion 44. That is, during the reciprocating rocking motion, the ring member 27 and the rotating member 24 continue to rotate integrally, so that the search piece 43 continues to rotate after passing through the return portion 44.

  On the other hand, at the time of switching the swing angle at which the rotation shaft 16 rotates in the reverse direction, the search piece 43 performs an operation of searching for the origin of the balance exercise device 1. When the vertical side 46 of the search piece 43 comes into contact with the return portion 44, the rotation of the ring member 27 stops. This stop position is the origin and has returned. The detection unit 45 detects that the balance exercise device 1 has returned to the origin.

That is, when the swing angle is switched, the rotation of the ring member 27 and the rotation of the rotating member 24 are separated from each other. When the search piece 43 comes into contact with the return portion 44 and stops, the rotation of the ring member 27 stops. At this time, the balance exercise device 1 returns to the origin.
The rotation of the rotating member 24 stops when the positioning piece 34 in the state of returning to the origin is engaged with the positioning portion 35 from the position A to the next position B, for example. At this time, the shaft angle detection unit 41 detects that the swing angle of the support member 13 has been switched from α to β.
[Operation mode]
An operation mode of the swing mechanism 12 having the above-described configuration and the balance exercise apparatus 1 provided with the swing mechanism 12 will be described.

First, the positioning piece 34 is engaged with the positioning portion 35 at the position A, and the swing angle of the support member 13 starts from α = 6 °.
The user M rides on the vehicle 5 (the user M may stand or stand) while the power is off. After that, the power is turned on by operating the operation panel 10 provided on the front surface of the vehicle 5. Then, the control unit that controls the swing mechanism 12 operates the drive unit 18 of the swing mechanism 12 to rotate the rotation shaft 16 forward (forward rotation (clockwise rotation shown in FIG. 10)). The rotation member 24 and the ring member 27 rotate integrally with the rotation of the rotation shaft 16 by the engagement between the positioning piece 34 and the positioning portion 35 at the position A. The boarding body 5 makes a reciprocating swing motion by the swing mechanism 12. Since the swing angle of the support member 13 is α = 6 °, the swing angle of the vehicle 5 is also α = 6 °.

  The rider 5 performs a twisting movement by causing the composite body 5 to perform a complex twisting movement (a complicated figure eight movement). That is, when the front end of the vehicle 5 is swung to the right and its upper surface is lowered to the left, the rear end is swung to the left and the upper surface is raised to the right. Conversely, when the front end of the vehicle 5 is swung to the left and its upper surface is lowered to the right, the rear end is swung to the right and the upper surface is raised to the left.

Here, the swing angle of the support member 13 (the vehicle 5) is switched from α to β.
The user M operates the operation panel 10 to turn on the swing angle switching switch. The control unit that controls the swing mechanism 12 operates the drive unit 18 of the swing mechanism 12 to rotate the rotating shaft 16 backward (reverse rotation (counterclockwise rotation illustrated in FIG. 10)).
Then, the swing switching unit 33 returns the balance exerciser 1 to the origin, and moves the positioning piece 34 from the position A to the positioning unit 35 at the position B. That is, the positioning piece 34 (engaging pin) of the ring member 27 is disengaged from the positioning portion 35 at the position A. The positioning piece 34 moves from the position A to the positioning part 35 at the position B along the groove 40 of the spherical body part 26 and is engaged by fitting into the positioning part 35 at the position B.

  At this time, the rotation of the ring member 27 is stopped by the search piece 43 being engaged with the return portion 44 in the origin return portion 42. On the other hand, the rotating member 24 rotates with the rotation of the rotating shaft 16. The home position return unit 42 detects by the detection unit 45 that the balance exercise device 1 has returned to the home position due to the engagement between the search piece 43 and the return unit 44. Further, the shaft angle detection unit 41 detects that it has moved to the positioning unit 35 at the position B based on the rotation angle of the rotation shaft 16.

The swing angle of the support member 13 is switched from α = 6 ° to β = 12 ° by the operation of the swing switching unit 33, so that the swing angle of the vehicle 5 is switched to β = 12 °.
When the above operation is completed, the swing switching unit 33 is stopped by the control unit that controls the swing mechanism 12.
Thereafter, the control unit that controls the swing mechanism 12 operates the drive unit 18 of the swing mechanism 12 to rotate the rotating shaft 16 forward (forward rotation (clockwise rotation shown in FIG. 10)). The rotation member 24 and the ring member 27 rotate integrally with the rotation of the rotation shaft 16 by the engagement between the positioning piece 34 and the positioning portion 35 at the position B. At this time, the support member 13 makes a reciprocating rocking motion at the rocking angle β = 12 °, so that the vehicle 5 also makes a reciprocating rocking motion at the rocking angle β = 12 °.

The rider 5 performs a reciprocating rocking motion at the rocking angle β = 12 ° by the rocking mechanism 12, so that the user M performs a torsional motion with a further load.
Note that the same operation is performed when the swing angle of the support member 13 is switched from β to α.
Now, various methods can be considered for riding on the balance exercise apparatus 1 including the swing mechanism 12 described above.

  For example, as shown in FIG. 18, the buttocks can be placed on the vehicle 5 and the rider can ride with the feet suspended in the air. Since the vehicle 5 performs a reciprocating rocking motion that causes a loss of balance, maintaining the posture state allows the body trunk centered on the abdominal muscles and the back muscles to be remarkably trained. In addition, the balance exercise apparatus 1 can be in any posture, such as a sitting posture, a standing posture, or a supine posture, in which the back portion is mounted on the vehicle 5 on the vehicle 5.

According to the swing mechanism 12 of the present invention described above, the swing angle of the swing transmission member 13 that transmits to the swing target 5 can be arbitrarily switched, and the user M can perform torsional movement and traction. Various effects, such as the effects of balance exercise, stretching exercise, and massage effect, can be further improved by being able to sufficiently impart motion, massage, and the like.
[Second embodiment]
Next, a second embodiment of the swing switching unit 33 constituting the swing mechanism 12 according to the present invention will be described with reference to FIGS.

FIG. 14 shows the swing conversion unit 21 and the swing switching unit 33 according to the second embodiment. 15 and 16 show the configuration of the swing switching unit 33 according to the second embodiment. FIG. 17 shows the rotating member 24 that constitutes the swing switching unit 33 of the second embodiment.
The swing switching section 33 of the present embodiment includes a convex positioning piece 34 provided on the ring member 27 constituting the rotary boss section 22 and a concave positioning section provided on the rotating member 24 and into which the positioning piece 34 fits. And a part 35. However, the configuration and arrangement of the positioning portion 35 and the positioning piece 34 are different from those of the first embodiment.

At least two or more positioning pieces 34 are provided. In the present embodiment, four positioning pieces 34 are provided. Unlike the first embodiment, the positioning piece 34 is externally fitted so as to be directly sandwiched by the concave portion 36 formed in the ring member 27.
As shown in FIG. 16, in the present embodiment, when the ring member 27 is viewed from the side, the positioning pieces 34 are provided so as to face each other. Of the four positioning pieces 34, two positioning pieces 34 are provided so as to face each other, and one two positioning pieces 34 are provided so as to face each other. That is, it can be said that two pairs of the positioning pieces 34 facing each other are provided. This is a point different from the first embodiment.

As shown in FIGS. 15 to 17 and the like, a plurality of positioning portions 35 are formed on the spherical portion 26 of the rotating member 24. In the present embodiment, four positioning portions 35 are formed.
As shown in FIG. 16, the positioning portion 35 of the present embodiment has a surface where one wall surface 38 is steep when the spherical portion 26 of the rotating member 24 is viewed in a side sectional view. The one wall surface 38 is a surface that faces the vertical direction or a slope that is slightly inclined from the vertical direction, and is a portion that engages the positioning piece 34.

Note that, unlike the first embodiment, the other wall surface 39 is integrated with a bottom surface of a groove portion 40 described later, and the positioning piece 34 passes therethrough.
Each of the positioning portions 35 is connected by a groove 40. The groove portion 40 connects the two positioning portions 35 and, unlike the first embodiment, is a track having an end. That is, two groove portions 40 are formed on the outer periphery of the spherical portion 26 constituting the rotating member 24.

As shown in FIG. 16, one end of the groove portion 40 is a positioning portion 35 at a position C, and the other end is a positioning portion 35 at a position D. One end of the second groove portion 40 is the positioning portion 35 at the position D, and the other end is the positioning portion 35 at the position C.
The position C is a positioning portion 35 that is used when the first set of positioning pieces 34 are engaged and the swing angle α of the support member 13 is switched. The position D is a positioning portion 35 that is used when the second positioning piece 34 is engaged and is switched to the swing angle β of the support member 13.

One end of one groove portion 40 (positioning portion 35 at position C) and the other end of two groove portions 40 (positioning portion 35 at position C) face each other. The other end of the one groove portion 40 (positioning portion 35 at the position D) and one end of the second groove portion 40 (positioning portion 35 at the position D) face each other.
Further, one end of the one groove portion 40 (the positioning portion 35 at the position C) and one end of the two groove portions 40 (the positioning portion 35 at the position D) are adjacent to each other. Further, the other end of the one groove portion 40 (the positioning portion 35 at the position D) and the other end of the second groove portion 40 (the positioning portion 35 at the position C) are adjacent to each other.

That is, in the present embodiment, by switching the rotation of the rotating shaft 16, the swing switching unit 33 operates to switch the swing angle of the support member 13. That is, for example, when the rotation shaft 16 is rotated forward, the swing angle of the support member 13 becomes α, and when the rotation shaft 16 is rotated reversely, the swing angle of the support member 13 becomes β. I have.
[Operation mode]
An operation mode of the swing switching unit 33 according to the second embodiment will be described.

  For example, the power is turned on by operating the operation panel 10. The control unit that controls the swing mechanism 12 operates the drive unit 18 of the swing mechanism 12 to rotate the rotation shaft 16 backward (counterclockwise rotation illustrated in FIG. 16). Then, the swing switching unit 33 operates. That is, the positioning piece 34 moves to the positioning portion 35 at the position C along the groove 40 and comes into contact with one wall surface 38. The positioning piece 34 is engaged with the positioning portion 35 at the position C. By the operation of the swing switching unit 33, the swing angle of the support member 13 becomes α.

Since the rotation shaft 16 rotates backward as it is, the rotation member 24 and the ring member 27 start rotating together with the rotation of the rotation shaft 16. The vehicle 5 is caused to reciprocate at a swing angle α by the support member 13.
Here, the swing angle of the support member 13 (the vehicle 5) is switched.
Turn ON the swing angle switch. The control unit that controls the swing mechanism 12 rotates the rotation shaft 16 forward (clockwise rotation shown in FIG. 16). Then, the swing switching unit 33 operates. That is, the positioning piece 34 moves from the position C to the positioning portion 35 at the position D along the groove 40 and contacts one wall surface 38. The positioning piece 34 is engaged at the positioning portion 35 at the position D. By the operation of the swing switching unit 33, the swing angle of the support member 13 switches from α to β.

Since the rotation shaft 16 rotates backward as it is, the rotation member 24 and the ring member 27 start rotating together with the rotation of the rotation shaft 16. The vehicle 5 is caused to reciprocate at a swing angle β by the support member 13.
Also in the swing switching unit 33 of the present embodiment, the swing angle of the swing transmission member 13 for transmitting to the swing target 5 can be arbitrarily switched. Motion, massage and the like can be sufficiently provided.

It should be understood that the embodiments disclosed this time are illustrative in all aspects and not restrictive.
In particular, in the embodiments disclosed this time, matters not specified, such as operating conditions and operating conditions, dimensions and weights of components, do not deviate from the range usually performed by those skilled in the art, and A company adopts items that can be easily assumed.

  In the present embodiment, the swing mechanism 12 has been described by taking the balance exercise apparatus 1 as an example. However, the swing mechanism 12 of the present invention includes a waist exercise machine capable of stretching the waist and a treatment section for the user. The present invention can be applied to various devices such as a massage device capable of performing massage on the body. In the present embodiment, the swing target 5 and the swing transmission member 13 are separate members, but may be integrated. For example, a massage member that covers a foot or a calf, which is provided in a lower limb massage device, may be used.

DESCRIPTION OF SYMBOLS 1 Balance exercise apparatus 2 Base body 3 Base 4 Leg 5 Boarding object (object of swing)
Reference Signs List 6 core body 7 intermediate material 8 covering material 9 non-slip rib 10 operation panel 11 lining material 12 swing mechanism 13 support member (swing transmission member)
14 Placement part 15 Support part 16 Rotary shaft 17 Bearing 18 Drive part 19 Drive motor 20 Reduction gear 21 Swing conversion part 22 Rotation boss part 23 Cam surface 24 Rotation member 25 Cylindrical part 26 Spherical part 27 Ring member 28 Ring fitting part 29 bearing 30 regulating part 31 regulating pin 32 regulating groove 33 swing switching part 34 positioning piece (engaging pin)
35 positioning part 36 concave part 37 holder 38 one wall surface 39 the other wall surface 40 groove part 41 axis angle detection part 42 origin return part 43 search piece 44 return part 45 detection part 46 vertical side 47 inclined side F floor M user

Claims (7)

A swing conversion unit that converts the rotational driving force into a reciprocating swing motion, and a swing transmission member that transmits the converted reciprocating swing motion to a swing target,
The swing mechanism, wherein the swing conversion unit is configured to be able to switch the swing angle of the swing transmission member from one swing angle to another swing angle. A swing transmission member for transmitting a reciprocating swing motion to the swing target,
A rotation shaft provided so that the axis is oriented in the horizontal direction, and provided so as to penetrate the base end side of the swing transmission member in the left-right direction;
A drive unit that drives the rotation shaft to rotate,
A swing conversion unit that is provided on a base end side of the swing transmission member, converts a rotational force of the rotation shaft into a reciprocating swing motion, and swings the swing transmission member;
A swing switching unit that switches a swing angle of the swing transmission member.   The swing mechanism according to claim 2, wherein the swing switching unit is provided in the swing conversion unit. The swing switching unit includes a plurality of switching stages, and each time the stage is switched, the swing transmission member is configured to switch to a predetermined swing angle. The swing mechanism as described in the above. The swing switching unit has a convex positioning piece and a concave positioning part,
The positioning portion is provided for at least two or more positioning pieces,
A groove that connects each of the positioning portions is formed,
When the positioning piece passes through the groove from one positioning portion and is fitted and engaged with another positioning portion, the rocking transmission member switches to a predetermined rocking angle. The swing mechanism according to any one of claims 2 to 4, wherein: The positioning portion has a surface where one wall surface is steep,
The positioning piece is in contact with the one wall surface and is engaged with the one positioning portion, so that the rocking transmission member transmits a left-right reciprocating rocking motion to the rocking target. And enable
The engagement with the one positioning portion is released apart from the one wall surface, and the stage is switched by being engaged with the other positioning portion by passing through the groove portion. The swing mechanism according to claim 5, wherein the swing transmission member is configured to switch to a predetermined swing angle. The swing switching unit,
The positioning piece is provided with three, and the positioning portion is provided with at least six or more,
Of the six or more positioning portions, one of the positioning portions is at position A, and the other three of the positioning portions are at position B,
The position A and the position B are provided at adjacent positions,
At the position A, when the positioning piece and the positioning portion are engaged, the rocking angle of the rocking transmission member is switched to α,
The swing according to any one of claims 2 to 7, wherein at the position B, when the positioning piece and the positioning portion are engaged, the swing angle is changed to the swing angle β of the swing transmission member. mechanism.