JP2006175283A - Balance training apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a balance training apparatus which is simplified in controlling a driving device and reduced in cost and requires a narrow space for the driving device to be made compact. <P>SOLUTION: This balance training apparatus 1 is equipped with a seat 2 on which a man sit and a driving device 3 to oscillate the seat 2. A pedestal 4 fixed to the seat 2 is supported rotatable, reciprocatable, and movable around transverse shafts 7 set on a movable rack 6 via a right and left pair of connecting links 5. The driving device 3 is equipped with an output rotation shaft 12 projecting in one direction of a driving source 10 and a driving part 13 to convert rotation force of the output rotation shaft 12 to two movements of reciprocal linear movement in the longitudinal direction of the pedestal 4 and rotation reciprocal movement around the transverse shafts 7 by turning a connection link 5 in the longitudinal direction centering on the transverse shafts 7 by rotation force of the output rotation shaft 12 to make the seat 2 drivable. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a balance training apparatus that is used for training a body balance function and an exercise function by swinging while a person is seated.

  A conventional balance training apparatus has been proposed that includes six drive sources and drives a horse-shaped vehicle with six degrees of freedom (see, for example, Patent Document 1). In this configuration, it is possible to swing the vehicle by combining six operations of the linear reciprocating movement in the front-rear direction, the left-right direction, and the up-down direction and the rotational reciprocating movement about the front-rear axis, the left-right axis, and the vertical axis. In addition, six operations can be individually controlled.

  As other conventional examples, as shown in FIGS. 7 to 9, a seat 2 on which a person is seated and a drive device 3 that swings the seat 2 are provided, and the main rotating shaft 30 of the motor 10 a is moved in two directions A and B. And the output rotary shafts 12a and 12b perform three operations: a reciprocating linear movement of the seat 2 in the front-rear direction X, a rotary reciprocating movement around the left and right axis 7, and a rotary reciprocating movement around the front and rear axis 9. A balance training apparatus is known (see, for example, Patent Document 2). First, the rotational force of the output rotary shaft 12a protruding in one direction of the motor 10a shown in FIG. 7 is transmitted from the gear 31 to the gear 32, and the first crank 34 connected to one end of the shaft 33 rotates. When the first crank 34 is rotated, the first link 36 is rotated around the shaft pin 37 and the second link 38 is rotated around the shaft pin 39 via the first rod 35 so as to rotate back and forth in cooperation with each other. The base 4, that is, the seat 2 moves back and forth, and the upper surface of the seat 2 can be inclined. The upper end portion of the second link 38 is pivotally attached to the base 4 via a ball joint 71, and the lower end portion of the second link 38 is rotatably supported by the base 8 via a support plate 70. Further, the rotational force of the output rotating shaft 12b protruding in the other direction of the motor 10a is transmitted from the gear 40 shown in FIG. 8 to the gear 41, and the second crank 43 connected to one end of the shaft 42 shown in FIG. 9 rotates. To do. When the second crank 43 rotates, the pedestal 4, that is, the seat 2 rotates and reciprocates around the longitudinal axis 9 via the second rod 44.

  However, since the device described in Patent Document 1 includes six drive sources and individually controls each drive source, the operation timing, speed, operation range, and the like of each drive source are individually controlled. Therefore, very complicated control is required. Further, since six drive sources are provided, there is a problem that the size is easily increased and the cost is increased.

Moreover, since the thing described in the said patent document 2 needs to make the output rotating shaft 12 of the motor 10a protrude in two directions, the motor 10a becomes sideways, and also the output rotating shaft 12 protrudes in two directions. There is a problem that the installation space is expanded in the lateral direction and the drive device 3 is enlarged.
Japanese Patent Publication No. 6-65350 JP 2001-286578 A

  The present invention has been invented in view of the problems of the above-described conventional example, and utilizes an output rotating shaft protruding in one direction from a driving source to reciprocate linearly in the front-rear direction of the seat. An object of the present invention is to provide a balance training device that enables two operations of reciprocating rotation, simplifies control and reduces cost, and can reduce the installation space of the drive device to achieve compactness. It is an object of the present invention to provide a balance training device that enables a rotational reciprocating motion around the left-right axis in addition to the two motions.

  In order to solve the above-described problems, the present invention is a balance training apparatus including a seat 2 on which a person is seated, a leg portion 50 that supports the seat 2, and a driving device 3 that swings the seat 2. The seat 2 is supported so as to be able to reciprocate and swing in the front-rear direction with respect to the leg portion 50 in a plane orthogonal to the left-right direction. The drive device 3 is a drive source from which the output rotary shaft 12 projects in one direction. 10, and a drive unit 13 that converts the rotational force of the output rotary shaft 12 into an operation that combines the reciprocating linear movement and the rotational reciprocating movement in the front-rear direction of the seat 2.

  With such a configuration, the seat 2 is driven by the rotational force of the output rotating shaft 12 in combination with the reciprocating movement and swinging in the front-rear direction X, and the body 2 is driven by the reciprocating movement and swinging of the seat 2 in the front-rear direction X. You can train balance and motor functions. In addition, since only one drive source 10 is required, the number of drive sources 10 is reduced, and only the output rotating shaft 12 protruding in one direction of the drive source 10 is used. It is possible to reduce the size and make it more compact.

  The left and right shafts 7 that support the seat 2 with respect to the leg portions 50 are provided, and the drive unit 13 reciprocates and swings the seat 2 back and forth around the left and right shafts 7 by the rotational force of the output rotation shaft 12 of the drive source 10. By adopting the moving configuration, the seat 2 performs an operation that combines a reciprocating linear movement in the front-rear direction and a rotational reciprocating movement around the left-right axis 7.

  In addition, one end portion is pivotally attached to the base 4 fixed to the seat 2 and the other end portion is pivotally attached to the leg portion 50 side, whereby the seat 2 is reciprocated and shaken in the front-rear direction with respect to the leg portion 50. A linking link 5 that is movably supported can be provided.

  An eccentric crank 19 in which the drive unit 13 performs an eccentric circular motion with respect to a shaft (first shaft) 17 orthogonal to the output rotary shaft 12 by the rotational force of the output rotary shaft 12 of the drive source 10, and the eccentric crank 19 In the case of providing the eccentric crank 19 and the arm link 20 that couples the connecting link 5 so as to convert the circular motion into the above-described operation of the seat 2, the above-described operation can be realized with a small number of parts and can be easily assembled. be able to.

  The movable base 6 is supported so as to be able to rotate and reciprocate around the front and rear axis 9 fixed to the leg 50, and the drive unit 13 uses the rotational force of the output rotary shaft 12 to rotate and reciprocate around the front and rear axis of the movable base 6. In the case of conversion to a movement operation, the seat 2 is driven by a combination of a reciprocating linear movement in the front-rear direction X and a rotational reciprocating movement about the left-right axis 7 in addition to a rotational reciprocating movement about the front-rear axis 9. It is possible to train the body balance function and exercise function by moving and swinging the seat 2 back and forth, left and right, up and down.

  As described above, in the present invention, the seat can be driven in combination with the reciprocating linear movement in the front-rear direction and the rotational reciprocating movement around the left-right axis, so that the person is seated on the seat before and after the seat, The body's balance function and exercise function can be trained by moving up and down and swinging, and the control of the drive device can be simplified and the cost and size can be reduced. It becomes easy to install inside, and it is possible to reproduce the intended operation more faithfully than before.

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

  As shown in FIGS. 1 to 4, the balance training device 1 according to the present embodiment includes a seat 2 on which a person sits, a leg portion 50 that supports the seat 2, and a drive device 3 that swings the seat 2. ing.

  As shown in FIG. 2, the base 4 fixed to the lower surface of the seat 2 is supported by a movable base 6 so as to be able to swing back and forth via a pair of left and right connecting links 5. The drive unit 13 is housed between the pedestal 4 and the movable mount 6 while being supported so as to be able to swing. Each of the pair of left and right connecting links 5 includes a front link 5a and a rear link 5b. The upper end portion of the front link 5a is pivotally attached to the upper shaft pin 2a provided at the front end portion of the base 4, and the lower end portion of the front link 5a is pivotally attached to the lower shaft pin 7a provided at the front end portion of the side plate 16 of the movable frame 6. Has been. The upper end portion of the rear link 5b is pivotally attached to the upper shaft pin 2b provided at the rear end portion of the base 4, and the lower end portion of the rear link 5b is the lower shaft pin 7b provided at the rear end portion of the side plate 16 of the movable frame 6. It is attached to the shaft. The front and rear lower shaft pins 7a and 7b constitute a left and right shaft 7 that supports the connecting link 5 so as to be rotatable about the axis in the left and right direction Y, whereby the pedestal 4 is rotated around the left and right shaft 7 in FIG. The reciprocating rotation is possible in the direction indicated by the arrow M.

  As shown in FIGS. 2 and 4, shaft support plates 24 are erected on both ends in the front-rear direction X of the base 8, and the shaft support plates 24 are connected to both ends in the front-rear direction X of the movable mount 6. Opposing connecting plates 25 are respectively suspended, and the connecting plate 25 is rotatably connected to the shaft support plate 24 by the front and rear shafts 9. The front and rear shafts 9 are arranged at two positions in the front and rear of the center portion of the base 8 and support the movable mount 6 so as to be rotatable around the front and rear shafts 9. A reciprocating rotation is possible in the direction indicated by N.

  On the other hand, the drive device 3 includes a single motor 10a constituting the drive source 10, an output rotary shaft 12 projecting in one direction of the motor 10a, and the rotational force of the output rotary shaft 12 reciprocating linearly in the longitudinal direction X of the base 4. And a drive unit 13 that can convert the movement, the rotational reciprocation around the left-right axis 7 and the rotational reciprocation around the front-rear axis 9 to drive the seat 2 by combining these three operations. The motor 10a of this example is installed vertically, and the protruding direction of the output rotating shaft 12 is upward.

  The drive unit 13 includes a first drive unit 13 a for reciprocating linear movement in the front-rear direction X and a rotational reciprocation about the left-right axis 7, and a second drive unit 13 b for reciprocating rotation about the front-rear axis 9. The As shown in FIGS. 2, 3, and 6, the first drive unit 13 a is biased to the first shaft 17 connected to the output rotation shaft 12 via the first gear 14 and to one end portion of the first shaft 17. It consists of an eccentric crank 19 connected in the center, and an arm link 20 having one end connected to the eccentric crank 19 and the other end attached to a shaft pin 5c provided on the front link 5a. Both end portions of the first shaft 17 are rotatably supported on the pedestal 4 side, and the eccentric crank 19 performs an eccentric circular motion with respect to the first shaft 17, whereby the front link 5 a is connected via the arm link 20. Reciprocates in the front-rear direction X, so that the pedestal 4 connected to the connecting link 5, that is, the seat 2, can swing in the direction indicated by the arrow M in FIGS.

  As shown in FIGS. 3, 4, and 6, the second driving unit 13 b includes a second shaft 18 connected to the first shaft 17 via a second gear 15, and one end portion of the second driving unit 13 b. An eccentric rod 21 that is eccentrically connected to one end of 18 and is rotatably connected to the base 8 at the other end. Both ends of the second shaft 18 are rotatably supported on the pedestal 4 side. Here, the eccentric rod 21 is arranged on either the left side or the right side of the pedestal 4, and the upper end portion 21a of the eccentric rod 21 is eccentrically connected to one end portion of the second shaft 18 by the shaft pin 62 shown in FIG. The lower end 21b of the eccentric rod 21 is rotatably connected to an L-shaped connecting bracket 60 fixed to the base 8 by a shaft pin 61, and the upper end of the eccentric rod 21 is eccentric due to the rotation of the second shaft 18. By performing the circular motion, the pedestal 4, that is, the seat 2 can swing in the direction indicated by the arrow N in FIG. 4.

  According to the above configuration, when the output rotating shaft 12 protruding in one direction of the motor 10a rotates, the first shaft 17 rotates due to the engagement between the motor gear 11 and the first gear 14, and at the same time, the interlocking gear 22 of the first shaft 17 rotates. The second shaft 18 is rotated by meshing with the second gear 15. When the first shaft 17 rotates, the eccentric crank 19 connected to one end portion of the first shaft 17 performs an eccentric circular motion, and the front link 5a via the arm link 20 in the front-rear direction X about the left and right shafts 7 on the front side. Rotate. At this time, since the rear link 5b cooperates and rotates around the rear left and right axis 7, the base 4, that is, the seat 2, reciprocates and swings in the front-rear direction X. On the other hand, due to the rotation of the second shaft 18, the upper end portion of the eccentric rod 21 performs an eccentric circular motion, and the pedestal 4, that is, the seat 2 revolves around the front-rear axis 9.

  Thus, in the state where the person is seated on the seat 2, the seat 2 moves in the front-rear direction X, the left-right direction Y, the up-down direction Z, and the θX direction, the θY direction, and the θZ direction shown in FIG. Since the three operations shown in FIG. 5A are performed, it is possible to train the body balance function and motor function. Moreover, since three operations can be performed using one motor 10a, the number of motors 10a can be reduced, the control can be simplified, and the cost and the size can be reduced. And since the output rotating shaft 12 of the motor 10a protrudes in one direction, the motor 10a can be installed vertically. That is, when the output rotating shafts 12a and 12b are projected in two directions as in the prior art (FIG. 7), the motor 10a is placed horizontally, but in the present invention, the output rotating shaft 12 projects only in one direction. As shown in FIG. 1, the installation space 10a can be reduced by reducing the installation space of the entire drive device 3 including the motor 10a, and the drive device 3 can be stored inside the seat 2. Therefore, it is possible to faithfully reproduce the operation as intended.

  In this example, the first drive unit 13 a can be configured by using the first shaft 17, the eccentric crank 19, and the arm link 20, and the second drive unit 13 b can be configured by using the second shaft 18 and the eccentric rod 21. As a result, the number of parts can be reduced. Moreover, the first drive unit 13a is simply assembled by simply connecting the eccentric crank 19 to the first shaft 17 rotatably supported on the base 4 and connecting the eccentric crank 19 to the connecting link 5 via the arm link 20. The upper end 21a of the eccentric rod 21 is eccentrically connected to the second shaft 18 rotatably supported on the base 4, and the lower end 21b of the eccentric rod 21 is simply attached to the base 8. The second drive portion 13b can be easily assembled, the assemblability is improved, the cost can be prevented, and the drive device 3 can be made more compact.

It is a schematic side view which shows an example of embodiment of this invention. It is a side view explaining the case where a seat same as the above performs a reciprocating linear movement in the front-rear direction and a rotational reciprocating movement around the left-right axis. It is a top view of a drive device same as the above. It is a front view explaining the case where a seat same as the above performs rotation reciprocating movement around the front-back axis. (A) is a perspective view explaining the use state of a balance training apparatus same as the above, (b) is explanatory drawing of the rectilinear movement direction and swing direction of a seat. It is a block diagram of a drive part same as the above. It is the longitudinal cross-sectional view which looked at the conventional balance training apparatus from the right side. It is the longitudinal cross-sectional view which looked at the conventional balance training apparatus from the left side. It is the cross-sectional view which looked at the conventional balance training apparatus from the front side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Balance training apparatus 2 Seat 3 Drive apparatus 4 Base 5 Connection link 6 Movable mount frame 7 Left-right axis 8 Base 9 Front-rear axis 10 Drive source 12 Output rotating shaft 13 Drive part

Claims (5)

  A balance training device comprising a seat on which a person is seated, a leg portion that supports the seat, and a drive device that swings the seat, the seat reciprocating back and forth with respect to the leg portion in a plane perpendicular to the left-right direction The drive device is supported so as to be movable and swingable. The drive device includes a drive source in which the output rotation shaft projects in one direction, and the rotational force of the output rotation shaft is reciprocated linearly and rotationally reciprocated in the front-rear direction of the seat. A balance training device comprising a drive unit that converts the motion into a combined motion.   The left and right shafts that support the seat with respect to the leg portions are provided, and the drive portion reciprocates and swings the seat in the front-rear direction around the left and right shafts by the rotational force of the output rotation shaft of the drive source. The balance training apparatus according to claim 1.   One end portion is pivotally attached to the pedestal fixed to the seat and the other end portion is pivotally attached to the leg side, thereby supporting the seat so as to be able to reciprocate and swing in the front-rear direction. The balance training apparatus according to claim 1, further comprising a connection link.   The drive unit converts an eccentric crank that performs an eccentric circular motion with respect to a shaft orthogonal to the output rotary shaft by the rotational force of the output rotary shaft of the drive source, and converts the eccentric circular motion of the eccentric crank into the operation of the seat. The balance training apparatus according to claim 3, further comprising: an arm link that couples the eccentric crank and the connection link.   A movable gantry supported so as to be capable of rotating and reciprocating about a longitudinal axis fixed to the leg, and the driving unit is configured to use the rotational force of the output rotating shaft for the reciprocating motion of the movable gantry around the longitudinal axis. The balance training apparatus according to claim 1, wherein the balance training apparatus converts the balance training apparatus.

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