JP3226901B2 - Magnetic levitation type exercise device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a signage system in which a warning sign lamp such as a road sign, a bird threat sign in a field or the like, a toy sign such as an animal, a doll or a character is driven to rotate in a non-contact manner. The present invention relates to a magnetic levitation type exercise device for urging a person to pay attention or curiosity or to use it as a bird threat.

[0002]

2. Description of the Related Art Heretofore, as a rotating device for rotating a sign portion for promoting attention or curiosity to a viewer or for use as a bird threat, the upper and lower ends of a rotating shaft to which the sign portion is attached are immovable bearings. In some cases, the body is rotatably supported via a bearing member, the rotating shaft is connected to an output shaft of a motor via a worm gear mechanism, for example, and the motor is rotationally driven by a power supply to rotate the marking portion.

[0003]

However, in such a conventional rotary device, a power source for driving a motor,
This requires a bearing member or the like for supporting the rotating shaft to which the marker is attached, and the mechanism itself is very complicated and expensive. Moreover, the support mechanism of the rotating shaft via the bearing member has a problem that the rotating device is significantly damaged due to abrasion due to long-term use and requires constant maintenance.

Accordingly, the present invention has been made in view of the above-mentioned various circumstances, and does not require a power source for driving a motor such as a rotating device in a conventional sign section, and has a simple configuration and low power consumption. It is an object of the present invention to provide a non-contact magnetic levitation type exercise apparatus which can be manufactured at a low cost and can be used for a long period of time without any damage to the rotating shaft due to contact abrasion.

[0005]

In order to solve the above-mentioned problems, according to the present invention, the lower end of a shaft cylinder 9 having magnetic permeability such that one of the N-pole and the S-pole faces upward. A donut-shaped fixed magnet 8 fixed to the side of the shaft 9 and a shaft cylindrical body 9 which are opposed to each other so that the fixed one of the fixed magnets 8 is opposed to the upper pole and the same pole of the fixed magnet 8 so as to be repelled from each other and float themselves.
The center opening is loosely inserted into the shaft, and a donut-shaped driven magnet 13 disposed above the fixed magnet and a shaft of a rotating shaft 10 which is coaxially inserted into the shaft tube 9 and is rotatable. The driven magnet 13 is fixed to the side surface in a cantilever state and is fixed via the shaft cylinder 9.
And the driving-side magnet 1 arranged in an attractive state with each other
The driven magnet 13 is made eccentrically rotatable around the shaft cylinder 9 with the rotation of the driving magnet 11 by the rotating means 12 of the rotating shaft body 10. Rotating means 12
Are attached to the ends of a plurality of horizontal arms 12A horizontally arranged radially on the upper end side or lower end side of the rotating shaft body 10,
A wind turbine mechanism formed by a plurality of hemispherical cups 12B or blades that rotate the rotary shaft body 10 under wind pressure can be used. On the other hand, one end of either the N pole or the S pole is fixed to one end of a shaft cylinder having magnetic permeability so that it faces upward, and the lower end side is supported by the support means 20 so as to swing together with the shaft cylinder 9. A donut-shaped driving-side magnet 21;
The central opening 13A is loosely inserted into the shaft cylinder 9 so that the one-side upward pole and the same-pole side of the driving-side magnet 21 face each other so that they repel each other and float themselves, and the driving-side magnet 21 Donut-shaped driven magnet 13 disposed above
The driven magnet 13 can be swung back and forth, right and left around the shaft cylinder 9 with the swing of the driving magnet 21 by the support means 20. The support means 20 engages the hemispherical portion 22A formed on one end side with the driving magnet 21 side, and connects the spherical portion 22B formed on the other end side to the driving magnet 2
1 A support shaft 22 rotatably pivotally attached to the bottom plate portion 3 disposed on the lower side, and a support shaft 22 interposed between the driving-side magnet 21 and the bottom plate portion 3 to be linked via the support shaft 22. The driving-side magnet 21 and the bottom plate 3 can be formed by a spring means (23) for resiliently urging each of them so as to be separated from each other. A marker 14 is provided on the side surface of the driven magnet 21. The marker 14 is a warning sign lamp such as a light reflecting / light dispersing member, a self-other light-emitting paint member such as fluorescent light / phosphorescent light, or an eye pattern or the like. Bird threatening signs due to fluctuations in the surrounding magnetic field, or animals, dolls,
It can be a toy sign having the form of a character or the like.

In the magnetic levitation type exercise apparatus according to the present invention having the above-described structure, the rotating shaft 10 is rotated via the rotating means 12 so as to be integrally formed with the rotating shaft 10 in a cantilever manner. The driven magnet 11 is turned. On the other hand, the driving-side magnet 11 and the driven-side magnet 13 mutually exert an attractive force through the shaft cylinder 9 having magnetic permeability, so that the rotation of the driving-side magnet 11 causes a donut around the shaft cylinder 9. While a part of the inner peripheral surface of the center opening of the driven magnet 13 having the shape of a slidable member is in sliding contact with the outer peripheral surface of the shaft cylinder body 9, the driven magnet 13 is eccentrically rotated in a hula hoop rotation state. The rotating means 12 by a windmill mechanism formed by a plurality of hemispherical cups 12B or blades directly receives wind pressure on the hemispherical cups 12B or the blades themselves, thereby forming the rotating shaft 1
Rotate 0. The donut-shaped driving-side magnet 21 whose lower end is supported by the support means 20 is
By this, it is swung in any direction of front / rear, left / right. On the other hand, the central opening 13A is formed in the shaft cylinder 9 which is integral with the driving side magnet 21.
The driving-side magnet 21 into which is inserted is floated by a repulsive interaction with the donut-shaped driven-side magnet 13,
The oscillating motion of the driving-side magnet 21 caused by an external wind pressure, vibration, or the like undergoes a repulsive interaction between the driving-side magnet 21 and the oscillating motion of the driven-side magnet 13. Causes the eccentric rotational motion caused by the eccentricity. That is, while the inner peripheral surface of the central opening 13 </ b> A of the donut-shaped driven magnet 13 on the outer periphery of the shaft cylinder 9 is in sliding contact with the outer peripheral surface of the shaft cylinder 9, the driven magnet 1
3 itself is rocked back and forth, left and right, or is caused by this rocking to be in a hula hoop rotation state, thereby being eccentrically rotated. The support means 20 elastically urges the driving magnet 21 engaged with the hemispherical portion 22A at one end of the support shaft 22 so as to be separated from the bottom plate 3 by the spring means (23). Make the rocking movement easy. The marking part 14 attached to the side surface of the driven magnet 13
Warning sign lamps such as light dispersing members, self- and other light-emitting paint members such as fluorescent and phosphorescent light, or bird-threatening signs due to fluctuations in eye patterns and peripheral magnetic fields, or toy signs in the form of animals, dolls, characters, etc. As a result, it is possible to respond to various uses such as urging the attention and curiosity of the viewer and using it as a bird threat.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In the first embodiment shown in FIGS.
It is a magnetic levitation type exercise device in which a sign unit 14 such as a bird threat sign or a toy sign is driven to rotate in a non-contact manner,
The magnetic levitation type exercise apparatus 1 includes a substantially cylindrical base 5 for disposing a windmill mechanism to be described later, and a bottomed transparent synthetic resin lid 6 for covering the upper part of the base 5.
A donut-shaped fixed magnet 8 disposed on the upper plate portion 2 of the base 5, a cylindrical shaft cylinder 9 erected at the central opening 8 </ b> A of the fixed magnet 8, and a cylinder of the shaft cylinder 9. A rotating shaft body 10 rotatably disposed in the inside and having a driving-side magnet 11 fixed in a cantilever state, and a donut-shaped lightweight driven-side magnet 13 loosely inserted into the shaft cylinder 9. is there.

The base 5 has a disk-shaped upper plate 2 having a circular hole 2A at the center, and a bearing 3 at substantially the same diameter as the upper plate 2.
Disc-shaped bottom plate 3, upper plate 2, and bottom plate 3 having A
A plurality of opening windows 4A are formed by a plurality of columns 4 which are vertically suspended and connected to the circumferential side surfaces between the respective circumferences. An opening edge 6A of the lid 6 is provided on the inner periphery of the inverted bottomed cylindrical circular rib 5A formed on the upper surface periphery of the base 5.
By inserting the side, the lid 6 itself forms the shaft cylinder 9,
The upper part of the base 5 is covered so as to accommodate the driven magnet 13 and the like.

On the inner side of the peripheral rib 5A in the upper plate portion 2 of the base 5, a circular recess 7 is formed by a circular intermediate rib 7A and a circular concave bottom portion 7B having the circular hole 2A at the center.
A donut-shaped fixed magnet 8 is fitted in the circular recess 7 so that either the N pole or the S pole, for example, the N pole faces upward. .

In the upper plate 2 of the base 5, a central opening 8 A of the fixed magnet 8 fitted in the circular recess 7 is cylindrically formed of a hard synthetic resin material having magnetic permeability and a small dynamic friction coefficient. The formed shaft cylinder 9 is inserted and raised so that the cylinder center axis of the shaft cylinder 3 and the center axis of the circular hole 2A are coaxial.

A rotary shaft body 10 is disposed in the cylindrical body of the shaft cylindrical body 9 in a state of being inserted into the circular hole 2A in the upper plate portion 2 of the base body 5, and the lower end side of the rotary shaft body 10 The bottom plate 3 is rotatably supported on the bottom plate side bearing 3A of the bottom plate 3, and the rotating shaft 10
The upper end side of the shaft 6 is rotatably supported by a lid-side bearing 6B formed in the center of the top plate of the lid 6 so that the rotating shaft 10 itself can rotate within the cylinder of the shaft cylinder 9. is there. At a portion of the shaft side surface of the rotary shaft body 10 located in the shaft cylinder body 9, a light-weight driving magnet having a cylindrical shape is arranged so as to be placed in an attractive state with the driven magnet 13 via the shaft cylinder body 9. 11 is fixedly provided in a cantilever state.

A plurality of horizontal radial arms 12A are arranged at a position of the rotating shaft body 10 in the base body 5 so as to be perpendicular to the axial direction of the rotating shaft body 10. At the end of each horizontal arm 12A, there is formed a windmill type rotating means 12 which is provided with a plurality of hemispherical cups 12B for rotating the rotary shaft body 10 in response to wind pressure, each of which is mounted sideways.

A donut-shaped lightweight driven magnet 13 is loosely inserted into the shaft cylinder 9 through a center opening 13A having an inner diameter larger than the outer diameter of the shaft cylinder 9 itself. The fixed magnet 8 is made to face one of the upper poles, for example, the N pole and the N pole, which is the same pole, so as to oppose each other so that the driven magnet 13 itself floats in a non-contact state. It is.

The driven magnet 13 is fitted to a donut-shaped fixing frame member 15, and a marker 14 is formed on each of a plurality of arc-shaped frame portions 15 A formed on the side surface of the fixing frame member 15. It is attached. The sign section 14 may be a warning sign lamp such as a light reflecting / dispersing member, a self-other light-emitting type paint member such as fluorescent light / phosphorescent light, a bird threatening sign due to a change in eye pattern or a peripheral magnetic field, or an animal / doll / character. Various types of signs, such as signs for toys in the form of characters and the like, can be used, and are widely used and used.

In this embodiment, the rotating means 12 of the windmill mechanism type is a hemispherical cup 12B. However, instead of the hemispherical cup 12B, a wind-cut plate-shaped blade or the like may be employed. Of course. Further, in the present embodiment, the rotating means 12 is disposed in the lower base 5, but is not limited to this. For example, a through-hole is provided in the center of the top plate of the lid 6, and through this through-hole, The rotating shaft 10 may be extended to the upper and outer sides of the lid 6, and a windmill mechanism-type rotating means 12 may be attached to the tip of the rotating shaft 10.

By rotating the rotating shaft body 10 by the wind pressure by the windmill-type rotating means 12 in this manner, the driving-side magnet 11 is turned in the shaft cylinder body 9, and
The driven-side magnet 13 integrated with 4 rotates eccentrically around the shaft cylinder 9 like a hula hoop while being attracted to the driving-side magnet 11 through the shaft cylinder 9.

The magnetic levitation type exercise apparatus 1 itself in the present embodiment includes a base 5, a lid 6, a shaft cylinder 9, and a rotary shaft 1.
0, the driven magnets 13 can be easily assembled and disassembled without using any mounting jig.

Next, an example of use and operation of the embodiment constructed as described above will be described. As shown in FIG. 1, the hemispherical cup 12B of the rotating means 12 receives the wind pressure to rotate the rotating shaft. This rotates the body 10, whereby the driving-side magnet 11 is eccentrically rotated. Then, as shown in FIG. 2, the inner peripheral surface of the center opening 13 </ b> A of the driven magnet 13 is caused by the attractive interaction between the driving magnet 11 and the driven magnet 13 through the shaft cylinder 9 having magnetic permeability. While being in sliding contact with the outer periphery of the body 9, the driven magnet 13 is eccentrically rotated in a hula hoop shape integrally with the marker 14. In this way, the sign portion 14 that is eccentrically rotated serves, for example, to alert the viewer to attention and curiosity, or to function as a bird threat.

FIGS. 3 and 4 show a second embodiment. The same components as those in FIGS. 1 and 2 showing the first embodiment are denoted by the same reference numerals. Therefore, the detailed description is omitted. In the second embodiment, the rotary shaft 10 according to the first embodiment is used.
Instead of providing a windmill mechanism type rotating means 12 for rotating the motor, the driving side magnet 21 in a donut shape together with the shaft cylinder 9 is swung in any direction in the front / rear and left / right directions or in the forward / reverse rotation direction. The support means 20 is provided on the lower end side of the magnet 21.

The second embodiment will be described in detail. A frame-shaped intermediate rib 7A and a substantially hemispherical cross section are formed on the inner side of the peripheral rib 5A in the upper plate portion 2 of the base 5. A circular recess 7 is formed by the circular bottom surface 7B having a circular hole bearing 24 at the center, and a donut-shaped driving-side magnet 21 is placed in the circular recess 7 in either the N pole or the S pole. One of the poles, for example, the N pole is fitted so as to face upward. The center opening 21A of the driving-side magnet 21 fitted in the circular recess 7 in the upper plate 2 of the base 5
The cylindrical body 9 formed of a hard synthetic resin material having magnetic permeability and a small dynamic friction coefficient is formed in a cylindrical shape so that the central axis of the cylindrical body 9 and the center of the circular hole bearing 24 are coaxially positioned. It is inserted and raised.

A donut-shaped, preferably lightweight, driven-side magnet 13 is loosely inserted into the shaft cylinder 9 through a central opening 13A having an inner diameter larger than the outer diameter of the shaft cylinder 9 itself. The driving-side magnet 21 is configured such that one of the driving-side magnets 21 facing upward, for example, the N-pole, and the N-pole, which is the same pole, are opposed to each other so as to be in a repulsive action state and float themselves in a non-contact state. . The driven magnet 13 is fitted to a donut-shaped fixing frame member 15, and has a circular frame portion 15 divided into a plurality of arc frames on the side surface of the fixing frame member 15.
A marking section 14 is attached to each A. The base is formed by fitting the opening edge 6A side of the transparent synthetic resin lid 6 formed into an inverted bottomed cylindrical shape into the inner periphery of the circular peripheral rib 5A formed on the upper surface periphery of the base 5. The lid 5 is covered in a state where the shaft cylinder 9 and the driven magnet 13 are accommodated.

As shown in FIG. 3, the supporting means 20 has a ball-and-even structure in which the upper plate 2 and the lower plate 3 which are vertically opposed to each other on the base body 5 can swing relative to each other. The upper and lower plate portions 2 and 3 are elastically urged to extend so that the upper and lower plate portions 2 and 3 are elastically separated from each other. It is formed by connecting and disposing between the plate portions 3. By doing so, the spring coil member 23 is resiliently exerted by external wind pressure, vibration, etc. by placing the lower plate portion 3 on an appropriate mounting surface, and the upper plate portion 2 Is designed so that the shaft cylinder 9 and the lid 6 swing in any direction of front and rear, left and right.

That is, the support means 20 is a circular bearing 2 whose periphery in the upper plate portion 2 of the base 5 is curved in an arc shape.
4, a substantially large-diameter hemispherical hemispherical portion 22A formed on one end of the support shaft 22 is slidably engaged with the spherical bearing 25 which is formed in the center of the bottom plate portion 3 and is curved in an arc shape. A substantially large-diameter spherical portion 22B formed on the other end of the support shaft 22 is slidably and rotatably pivotally mounted. The upper plate 2 and the bottom plate 3 are connected via the support shaft 22 by interposing a spring coil member 23 between the upper plate 2 and the bottom plate 3, for example. Each of them is elastically urged so as to be separated from each other, so that the upper plate portion 2 can swing on the bottom plate portion 3 in any direction in the front-back and left-right directions.

In this way, as shown in FIG. 4, the center opening 13A is loosely inserted into the shaft cylinder 9 integral with the driving magnet 21 and is floated by repulsive interaction with the driving magnet 21. Donut-shaped driven magnet 13
Generates a swinging motion following the swinging of the driving side magnet 21 itself in the left-right and front-rear directions due to an external wind pressure or vibration while receiving the repulsive interaction by the driving side magnet 21 or an eccentric rotation motion caused by this. Let it. That is, the shaft cylinder 9
A part of the inner peripheral surface of the center opening 13A of the driven side magnet 13 having a donut shape on the outer periphery oscillates back and forth, right and left while sliding on the outer peripheral surface of the shaft cylinder 9, and in some cases, this oscillating action is caused. As a result, the hula hoop is rotated, and
The driven magnet 13 integrated with the marker 14 is eccentrically rotated. In this manner, the marker portion 14 which is oscillated and eccentrically rotated functions as, for example, a warning or a curiosity for a viewer or a function as a bird threat. You do it.

[0025]

Since the present invention is constructed as described above, it does not require a power source for driving a motor like a conventional rotating device for a sign section, and can be manufactured with a simple structure at low cost. It is possible to provide a non-contact type magnetic levitation type exercise apparatus which can be used for a long period of time without any damage to the rotating shaft due to contact abrasion and which is maintenance-free.

That is, according to the present invention, a donut-shaped fixed magnet 8 fixed to the lower end of a shaft cylinder 9 having magnetic permeability such that one of the N-pole and the S-pole faces upward. The central opening is loosely inserted into the shaft cylinder 9 so that the fixed one-side magnet 8 faces the upper one pole and the same pole side so as to repel each other and float itself, and the fixed-side magnet 8 Donut-shaped driven magnet 13 arranged above
And a cantilevered state fixedly mounted on the shaft side surface of the rotating shaft body 10 which is coaxially inserted into the barrel of the shaft barrel body 9 so as to be able to rotate, and is attracted to the driven magnet 13 via the shaft barrel body 9. And the driving-side magnet 11 arranged in such a way that the revolving action of the driving-side magnet 11 by the rotating means 12 of the rotating shaft body 10 causes the fixed-side magnet 8 to be repelled. The driven-side magnet 13 that is levitated as above is eccentrically rotatable around the shaft cylinder 9, does not require a power source for driving the motor, and has no damage due to contact abrasion. It can be used.

At this time, the rotating means 12 is attached to the ends of a plurality of horizontal arms 12A horizontally arranged radially at the upper end or the lower end of the rotating shaft 10, and rotates the rotating shaft 10 by receiving wind pressure. Since it was based on the windmill mechanism formed by the hemispherical cup 12B or the blades, etc.
The turning drive of the driving-side magnet 11 integrally formed with the rotating shaft body 10 can be easily performed without requiring a power source for driving a motor.

On the other hand, one end of either the N pole or the S pole is fixed to one end of a shaft cylinder having magnetic permeability so that it faces upward, and the lower end side is supported by the support means 20 so as to swing together with the shaft cylinder 9. The driving-side magnet 21 in the form of a donut supporting the driving-side magnet 21 and the one-side upward and the same-pole side of the driving-side magnet 21 are opposed to each other. The opening 13A is loosely inserted and the driving-side magnet 2
And a donut-shaped driven magnet 13 disposed above the motor 1, so that the driving-side magnet 21 swings through the support means 20 without the need for a power source for driving the motor, and The driven magnet 13 can be swung back and forth and right and left around the cylindrical body 9, and can be made eccentrically rotatable in some cases caused by the shaking, and can be completely prevented from being damaged by contact wear.

At this time, the supporting means 20 has the hemispherical portion 22A formed on one end side engaged with the driving magnet 21 side, and the spherical portion 22B formed on the other end side is disposed below the driving side magnet 21. A support shaft 22 pivotally attached to the bottom plate 3
And the driving-side magnet 2 connected via the support shaft 22 by being interposed between the driving-side magnet 21 and the bottom plate 3.
(1) Since the bottom plate portion 3 is formed by the spring means (23) which resiliently urges each of the bottom plate portions 3 so as to be separated from each other,
The driving magnet 21 together with the lid 6, the shaft cylinder 9 and the like by wind pressure and vibration from the outside without the need for a power source for driving the motor.
Swinging in the front-rear and left-right directions can be easily performed, whereby the driven magnet 13 can be easily swung back and forth and left and right around the shaft cylinder 9.

The marker 1 is provided on the side surface of the driven magnet 13.
The marker portion 14 is used for warning signs such as light reflecting / light dispersing members, self-other light-emitting paint members such as fluorescent / phosphorescent members, and bird threats caused by fluctuations in eye patterns and peripheral magnetic fields. Since it is based on signs or signs for toys in the form of animals, dolls, characters, etc., it is possible to respond to various uses such as promoting attention and curiosity to the viewers and using as bird threats Becomes possible.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional perspective view of a first embodiment of the present invention.

FIG. 2 is a schematic plan sectional view for explaining the operation of the same.

FIG. 3 is a partially sectional perspective view of a second embodiment of the present invention.

FIG. 4 is a schematic plan sectional view for explaining the operation thereof.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Magnetic levitation type exercise device 2 ... Top plate 2A ... Circular hole 3 ... Bottom plate 3A ... Bottom plate side bearing part 4 ... Support 4A ... Open window 5 ... Base 5A ... Peripheral rib 6 ... Lid 6A ... Opening edge Part 6B ... Lid side bearing part 7 ... Circular recess 7A ... Intermediate rib 7B ... Bottom part 8 ... Fixed side magnet 8A ... Center opening 9 ... Shaft cylinder 10 ... Rotating shaft body 11 ... Driving side magnet 12 ... Rotating means 12A … Horizontal arm 12B… Hemispherical cup 13… Follower magnet 13A… Central opening 14… Marker 15… Fixing frame member 15A… Circular frame part 20… Supporting means 21… Drive magnet 21A… Central opening 22… Support Shaft 22A ... hemispherical part 22B ... spherical part 23 ... spring coil member 24 ... circular hole bearing 25 ... spherical bearing

Claims (4)

(57) [Claims] 1. A donut-shaped fixed-side magnet fixed to a lower end of a shaft cylinder having magnetic permeability such that one of an N-pole and an S-pole faces upward, and an upward direction of the fixed-side magnet. The center opening is loosely inserted into the shaft cylindrical body so that the one pole and the same pole face each other so that they repel each other and float themselves, and a donut-shaped driven member arranged above the fixed magnet The side magnet and the cantilevered shaft are fixedly mounted on the shaft side surface of the rotating shaft that is coaxially inserted into the cylinder of the shaft cylinder and is rotatable, and is in an attractive state with the driven magnet via the shaft cylinder. And a driven magnet disposed eccentrically around the shaft cylinder with the turning of the driven magnet by the rotating means of the rotating shaft. apparatus. 2. A rotating means, comprising: a plurality of hemispherical cups attached to ends of a plurality of horizontal arms arranged radially horizontally on an upper end or a lower end of the rotating shaft, and receiving wind pressure to rotate the rotating shaft. 2. The magnetic levitation type exercise device according to claim 1, wherein the magnetic levitation type exercise device is constituted by a windmill mechanism formed by a blade or the like. 3. An end of a shaft cylinder having magnetic permeability so that either one of an N pole and an S pole faces upward,
A donut-shaped driving-side magnet whose lower end is supported by supporting means so as to swing together with the shaft cylinder, and an upwardly-directed one-pole and the same-pole side of the driving-side magnet are opposed to each other to be in a state of repulsive action. The center opening is loosely inserted into the shaft cylindrical body so as to float, and has a donut-shaped driven-side magnet arranged above the driving-side magnet, with the rotation of the driving-side magnet by the support means, Around the shaft cylinder, the driven magnet can be swung back and forth, left and right, and the support means engages the hemisphere formed on one end with the driving magnet, and the spherical formed on the other end. A support shaft rotatably and pivotally attached to a bottom plate disposed below the driving magnet, and a driving motor connected via the support shaft by being interposed between the driving magnet and the bottom plate. For the spring means for resiliently urge the side magnet and the bottom plate to separate each other Magnetic levitation type exercise apparatus characterized by being formed Ri. 4. A sign portion is provided on a side surface of the driven magnet, and the sign portion is a warning sign lamp such as a light reflecting / light dispersing member, a self-other light emitting type paint member such as a fluorescent light / phosphorescent member, or an eye pattern or the like. The magnetic levitation type exercise device according to any one of claims 1 to 3, wherein the magnetic levitation type exercise device is a bird threat sign due to a fluctuation of a peripheral magnetic field or a toy sign having a form of an animal, a doll, a character, or the like.