JP2014108308A - Training implement for sense of balance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable smooth operation with a simple structure.SOLUTION: In the bottom of a board body 11 to put both feet, one of both end sides of a central axis O is formed with a fulcrum part 12 which supports one of the feet through the board body so that it can swing, and the other is formed with a rolling part 13 which supports the other foot through the board body so that it can move. In the rolling part 13A, a balance roller 21 is arranged in both sides of the central axis O through a guide member 22 so that it can roll, and a guide groove 23 which guides the balance roller 21 so that it can roll and a roller support 24 which holds the balance roller 21 in the guide groove 23 are provided in the guide member 22.

Description

  The present invention relates to a balance sensation exercise tool used for board sports such as a skateboard, a surfboard, and a snowboard, or exercise.

  For example, Patent Document 1 discloses a technique in which hemispherical fulcrum portions are provided on both end sides of a board body, and a tester rides with both feet on each fulcrum portion of the board body to develop a sense of balance. Yes. However, in normal board sports, there are many operations that turn the board body with the foot on the opposite side of the dominant foot as a fulcrum and change the direction, but in Patent Document 1, the fulcrum portion on the opposite side of the dominant foot It is necessary to lift the hemisphere from the floor and rotate it, and in actual board sports, there are many operations to rotate without floating, and there is a problem that it is not enough to practice board sports.

  For this reason, Patent Document 2 proposes a structure in which one fulcrum portion is a hemisphere and a roller is disposed on the other fulcrum portion. In this roller, a fixed end portion of a swing rod is rotatably attached to one fulcrum portion side, and a shaft portion of the roller is connected to a free end portion of the swing rod. Thereby, a roller rolls between a floor surface and a board main body, and can be rotated centering on one fulcrum part, without floating a board main body.

Japanese Patent No. 3422958 US Patent Publication US7,488,177B2

However, the structure is complicated due to the presence of the swing rod. In addition, there is a problem that the operation of the roller is restricted by the swinging rod and the movement tends to be unnatural.
An object of the present invention is to solve the above problems and to provide a balance sensation training tool that can operate smoothly with a simple structure that does not require a rocking rod.

According to the first aspect of the present invention, at the bottom of the board main body on which both feet are placed, one of the both ends of the central axis is provided with a fulcrum that supports one of the legs so as to be swingable through the board main body, Provide a rolling part to support the other leg movably through the board body,
A guide member is provided in the rolling part to guide the rolling of the ring body on both sides of the central axis.
The guide member is provided with a rolling guide portion that guides rolling of the ring body, and a ring body support that holds the ring body in the rolling guide portion.

The invention according to claim 2 is the configuration according to claim 1,
The guide member is provided with a ring body restoring portion that urges the ring body toward the central axis,
In the ring body restoring part, the inclined guide surface that guides the top part of the ring body by the rolling guide part approaches the upper surface of the board body in the vicinity of the central axis, and is separated from the upper surface of the board body as the distance from the central axis increases. It is formed.

The invention according to claim 3 is the configuration according to claim 1,
The guide member is provided with a ring body restoring portion that biases the ring body toward the central axis side of the board body,
The ring body restoring portion is constituted by a ring body biasing tool that biases the ring body toward the central axis.

The invention according to claim 4 is the configuration according to any one of claims 1 to 3,
The guide surface that guides the top of the ring body by the rolling guide is formed in an arc shape centering on the vicinity of the fulcrum.

The invention according to claim 5 is the configuration according to any one of claims 1 to 4,
The ring body support includes a support shaft that is loosely fitted in the axial hole of the ring body, and a shaft guide holding portion that guides at least one end of the support shaft so as to be movable in the rolling direction. is there.

The invention according to claim 6 is the configuration according to any one of claims 1 to 5,
At both ends of the rolling guide part, a rolling restricting part for limiting the movement of the ring body is provided, and at the outside of the rolling restricting part, a tilt limit roller for contacting the floor surface at the tilt limit of the board body is provided. It is a thing.

  According to the first aspect of the present invention, since the rolling member is provided with the guide member having the rolling guide portion and the ring body support portion so as to guide and hold the ring body in a freely rolling manner, The oscillating rod is also a simple structure that does not need to be operated smoothly by rolling the ring.

  According to the second aspect of the present invention, since the ring body restoring portion in which the guide surface of the rolling guide portion for guiding the top portion of the ring body is formed in an inclined shape is provided, the restoring force that the ring body tries to return to the center line is provided. As a result, the board body can be stably swung.

  According to the third aspect of the present invention, the restoring force of the annular body returning to the center line is generated by the annular body restoring portion composed of an elastic member that biases the annular body toward the central axis, thereby causing the board body to shake. The movement can be performed stably.

According to the fourth aspect of the present invention, the ring body can be rolled smoothly along the arcuate guide surface as viewed from the bottom.
According to the fifth aspect of the present invention, the one end of the support shaft loosely fitted in the shaft hole of the ring body is movably guided by the bearing guide holding part, thereby smoothly rolling the ring body. I can guide you.

  According to the invention described in claim 6, since the tilt limit rollers are provided on both ends of the rolling guide portion, the board main body is brought into contact with the floor surface via the tilt limit roller at the tilt limit of the board main body. In addition to preventing damage to the board body and the floor surface, the rolling of the tilt limit roller provides a smooth contact state.

It is a perspective view by the side of the bottom which shows Example 1 of the training tool for balance senses concerning this invention. It is an expansion longitudinal cross-sectional view of a balance roller part. It is a bottom view of a board body. It is a side view of a board main body. (A) And (b) is sectional drawing shown in FIG. 3, (a) is AA sectional drawing, (b) is BB sectional drawing. (A) And (b) is a front view of the rolling part which shows the inclination limit of a board main body, respectively. It is a cross-sectional view of the rolling part showing Example 2 of the balance sensation practice tool according to the present invention. It is CC sectional drawing shown in FIG. It is a front view of the rolling part which shows the tilt limit of a board main body. It is a longitudinal cross-sectional view of the rolling part which shows Example 2 of the training tool for balance senses concerning this invention.

[Example 1]
Hereinafter, Example 1 of a balance sensation practice tool according to the present invention will be described with reference to FIGS.

At the bottom of the board body 11 formed in a substantially boat shape in plan view, a fulcrum part 12 is provided on one side (right side in the figure) of both ends of the central axis O, and a rolling part 13 is provided on the other side. .
The fulcrum part 12 supports one leg (dominant leg) through the board main body 11 so as to be swingable, and a fulcrum member 12 a having a hemispherical shape is attached to the fulcrum part 12. The rolling unit 13 supports the other leg via a balance roller (ring body) 21 on the other side of the both ends of the central axis O. The balancing roller 21 is supported by the rolling unit 13 via a guide member 22. Are arranged on both sides of the central axis O so as to roll within a predetermined range. As shown in FIG. 5, the board body 11 includes the fulcrum member 12a and the balance roller 21, and the board body 11 is in a balance posture parallel to the floor surface (road surface) F. As shown in FIG. And a swinging posture swung about a grounding line between the balance roller 21 and the floor surface F of the balance roller 21.

  The guide member 22 includes a guide groove (rolling guide portion) 23 in which the balance roller 21 is rotatably guided, and a roller support (ring body support) that holds the balance roller 21 in the guide groove 23 in a freely rollable manner. 24, and a ring body restoring portion 25 that urges the balance roller 21 toward the central axis O.

  The balance roller 21 is formed in a cylindrical shape in which a shaft hole 21b having a relatively large diameter is formed in the shaft center of the roller body 21a, and a support shaft 21c is loosely fitted on the top of the shaft hole 21b or in the vicinity of the top. Yes.

  The guide groove 23 is formed on the guide member 22 on both sides of the central axis O and guides the top of the balance roller 21. The guide groove 23 may have a straight line shape orthogonal to the central axis O in bottom view, but here, it is formed in an arc shape centered on the bottom part of the fulcrum part 12 or its vicinity.

  The roller support 24 is constituted by a roller guide plate 32 erected along the other end surface of the guide member 22. The roller guide plate 32 is formed with a rolling slot (shaft guide holding portion) 32a that guides the other end of the support shaft 21c in a movable manner along the guide groove 32. A guide sleeve 21d that can roll along the edge of the shaft center hole 21b of the roller body 21a is rotatably fitted to the other end of the support shaft 21c, and the other end of the support shaft 21c is used for rolling. A collar portion 21e that is prevented from coming off in the elongated hole 32a is formed.

The ring body restoring portion 25 is configured by at least one of an inclined guide surface 33 that guides the balance roller 21 and a roller biasing tool 34 that biases the balance roller.
The inclined guide surface 33 guides the top of the balance roller 21 with the top surface of the guide groove 23, and the inclined guide surface 33 is close to the upper surface of the board body 11 in the vicinity of the central axis O, and the central axis O It is formed in an inclined shape that is separated from the upper surface of the board body 11 by a gradient L as the distance from the board increases. Therefore, when the balance roller 21 is located away from the central axis O, the weight of the tester is loaded on the balance roller 21 from the board main body 11 via the inclined guide surface 33, so that the inclined guide surface 33 acts. The balance roller 21 rolls toward the central axis O.

Here, the inclined guide surface 33 may be flat or an arc surface having a large diameter.
The roller urging tool 34 includes an elastic member 34a that urges the support shaft 21c toward the fulcrum portion 12 side. That is, on the bottom surface of the board body 11, the locking rod 34 b protrudes on the central axis O between the fulcrum part 12 and the rolling part 13. An elastic member 34a made of a rubber material, a coil spring or the like is connected between a connecting tool 34c rotatably attached to one end of the support shaft 21c and the locking rod 34b. Therefore, as the balance roller 21 is further away from the central axis O, the distance between the coupling tool 34c and the locking rod 34b is expanded and the elastic member 34a is stretched, and the restoring force of the elastic member 34a causes the balance roller 21 to move toward the central axis. It is urged to the O side and restored on the central axis O.

  It should be noted that the rolling elongated hole 32 a of the ring body restoring portion 25 is parallel to the inclined guide surface 33, that is, the upper surface of the board body 11 is closer to the upper surface of the board body 11 and further away from the center axis O. By inclining away from the balance roller 21, the balance roller 21 can be smoothly rolled, and at the same time, a restoring force for urging the balance roller 21 toward the central axis O can be generated.

Further, on both sides of the guide groove 23, roller guide plates 32 each having a guide long hole 32a for guiding the support shaft 21c of the balance roller 21 may be provided.
Rolling restricting portions 35 for restricting the rolling of the balance roller 21 are formed at both ends of the guide groove 23 in the guide member 22. Further, on the outside, tilt limit rollers 36 that come into contact with the floor surface F at the tilt limit of the board body 11 are provided so as to be rotatable around an axis parallel to the central axis O, respectively.

  In the above configuration, the right foot (dominant foot) of the tester is placed on one end (fulcrum portion 12) side of the board body 11, and the left foot is placed on the board body 11 on the rolling part 13. Then, the tester keeps the board body 11 in a horizontal posture by moving the body weight, and further moves the body weight, thereby swinging the board body 11 and rolling the balance roller 21 to the left and right to develop a sense of balance in board sports. be able to.

  According to the first embodiment, the rolling part 13 is provided with the guide groove 23 for guiding the balance roller 21 and the guide member 22 having the roller support 24 so that the balance roller 21 can roll on the guide member 22. Since it is supported, the balance roller 21 can be operated smoothly with a simple structure.

  In addition, the guide groove 23 that guides the top of the balance roller 21 is provided with the ring body restoring portion 25 having the inclined guide surface 33 that is closer to the upper surface of the board body 11 toward the center axis, so that the balance roller 21 is centered by gravity. A restoring force for returning to the O side is generated, so that the board body 11 can be stably ridden.

Furthermore, the posture of the technician on the board body 11 can be stabilized by the ring body restoring portion 25 formed of the elastic member 34a that biases the balance roller 21 toward the central axis O side.
Furthermore, since the balance roller 21 rolls along the arc-shaped guide groove 23 in a bottom view, the balance roller 21 can be smoothly rolled. Of course, in order to smoothly move in the arc direction along the guide groove 23, the balance roller 21 may be formed in a truncated cone shape.

  Then, one end portion of the support shaft 21c that is loosely fitted in the shaft center hole 21b of the balance roller 21 is guided by the bearing guide holding portion so as to be movable, so that the rolling of the ring body can be smoothly guided. .

  Further, since the tilt limit roller 36 is provided on both ends of the guide groove, the board body 11 can be brought into contact with the floor surface F via the tilt limit roller 36 at the tilt limit of the board body 11, and the board body. 11 and the floor surface F can be prevented, and a smooth contact state is achieved by the rolling of the tilt limit roller 36.

[Example 2]
7 to 9 show Example 2 of a balance sensation practice tool. Note that the same members as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  The balance roller 41 is configured such that a pair of left and right divided rollers 41a and 41a arranged at a predetermined interval are rotatably connected by a support shaft 41b fitted in a shaft hole. In addition, the balance roller 41 is connected to a telescopic support 42 made of a coil spring or the like between a connection point 42a on the central axis O at the center bottom of the guide member 22 and a sleeve 41c fitted on the support shaft 41b. Has been. The telescopic support 42 urges the balance roller 41 toward the central axis O, and attaches the balance roller 41 to the central axis O. It is also used as a rotating body restoring part. Of course, an inclined guide surface 33 as a ring body restoring portion is also formed.

According to the second embodiment, the same effects as those of the first embodiment can be obtained, and the structure can be facilitated.
[Example 3]
In FIG. 10, the roller guide plate 32 which is a ring body support is provided in the first embodiment. However, in the third embodiment, instead of the roller guide plate 32, a holding rod portion 52 extending from both ends of the support shaft 21c, A pair of guide recesses 51 are provided for guiding the balance roller 21 via sliding portions 52a formed at the end portions of the holding rod portions 52.

  The guide recess 51 is formed on the front and rear side surfaces of the guide member 22 along the guide groove 23. The holding rod portion 52 extends from both ends of the support shaft 21 c to the guide member 22 via the mounting member 53, and the sliding portion 52 a is movably fitted to the guide recess 51.

  According to the second embodiment, the same effect as the first embodiment can be obtained.

O center axis F floor 11 board body 12 fulcrum part 12a fulcrum member 13 rolling part 21 balance roller (ring body)
21a Roller body 21b Shaft center hole 21c Support shaft 22 Guide member 23 Guide groove (rolling guide portion)
24 Roller support (ring body support)
25 Ring body restoring portion 32 Roller guide plate 32a Rolling long hole (shaft guide holding portion)
33 Inclined guide surface 34 Roller urging tool (ring body urging tool)
34a Elastic member 35 Rolling restricting portion 36 Tilt limit roller 41 Balance roller 41a Dividing roller 41b Support shaft 42 Extending support (ring body support, ring body biasing tool)
51 Guide recess 52 Holding rod 52a Sliding part

Claims (6)

At the bottom of the board body on which both feet are placed, a fulcrum part is provided on one of the both ends of the central axis so as to swing one leg through the board body, and the other leg through the board body. Is provided with a rolling part to support
A guide member is provided in the rolling part to guide the rolling of the ring body on both sides of the central axis.
The guide member includes a rolling guide part that guides the rolling of the ring body and a ring body support tool that holds the ring body in the rolling guide part. The guide member is provided with a ring body restoring portion that urges the ring body toward the central axis,
In the ring body restoring part, the inclined guide surface that guides the top part of the ring body by the rolling guide part approaches the upper surface of the board body in the vicinity of the central axis, and is separated from the upper surface of the board body as the distance from the central axis increases. The balance sensation practice tool according to claim 1, wherein the balance sensation practice tool is formed. The guide member is provided with a ring body restoring portion that urges the ring body toward the central axis,
The balance sensation practice tool according to claim 1 or 2, wherein the ring body restoring portion is configured by a ring body biasing tool that biases the ring body toward the central axis. The balance sensation according to any one of claims 1 to 3, wherein a guide surface that guides a top portion of the ring body by a rolling guide portion is formed in an arc shape centering on a position near the fulcrum portion. Practice tool. The ring body support includes a support shaft that is loosely fitted in the axial hole of the ring body, and a shaft guide holding portion that guides at least one end of the support shaft so as to be movable in the rolling direction. 5. The balance sensation practice tool according to claim 1, At both ends of the rolling guide part, a rolling restricting part for limiting the movement of the ring body is provided, and at the outside of the rolling restricting part, a tilt limit roller for contacting the floor surface at the tilt limit of the board body is provided. 6. The balance sensation practice tool according to claim 1, wherein the balance sensation practice tool is a balance sensation practice tool.

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