JP3977860B2 - Rotating device - Google Patents

Description

The present invention relates to Ru rotating device is driven to rotate by a rotary driving source such as a motor.

Conventionally, Ru rotating device is rotated have been proposed by the rotational driving source such as a motor. For example, in Japanese Patent Laid-Open No. 11-168873 (Patent Document 1), the number of outer fixed magnet groups and the number of magnet groups of the inner rotor are different from each other, and the repulsive forces are oblique with respect to the radiation around the rotation axis. Some are arranged to work.

  On the other hand, in Japanese Patent Application Laid-Open No. 05-344673 (Patent Document 2), a motor bearing device is supported by the repulsive force of the homopolar magnet, or the repulsive force of the homopolar magnet and the attractive force of the heteropolar magnet. Proposals have been made to support by balance.

Japanese Patent Laid-Open No. 11-168873 Japanese Patent Laid-Open No. 05-344673

  However, as claimed in Patent Document 1 as a rotating machine that performs permanent motion, it is difficult to implement in practice, and the principle of permanent motion is unclear.

  Further, since the technique of Patent Document 2 uses the repulsive force of the same-polar magnet, there is a problem that the rotor position is lifted by the action of centrifugal force caused by the rotation of the rotor and the rotational position becomes unstable. there were.

The present invention is made to solve the above problems, and has as its object is to St. provide a rotary device capable stabilize the rotational position of the rotating part rotating at a high speed by the attraction of the different pole magnet.

Rotating equipment according to the present invention for achieving the above object, a fixed portion rotary drive source for imparting rotational driving force is provided, and a rotary unit rotatably provided within said stationary part, said An idling permission means provided in a rotation drive transmission path between the rotation driving source and the rotating part, and allowing the idling of the rotating part; and an inner peripheral surface of the fixed part facing the outer peripheral surface of the rotating part. The first magnets arranged at a predetermined pitch in the axial direction of the fixed part and the outer peripheral surface of the rotating part facing the inner peripheral surface of the fixed part are arranged at a predetermined pitch in the axial direction of the rotating part. The first and second magnets are composed of homopolar magnets whose repulsive forces act on opposite sides, and the first and second magnets face each other. They are arranged so that their facing surfaces are parallel to each other, and they are adjacent to each other at the fixed part and the rotating part. In the magnets, the planes including the respective magnet surfaces intersect at an angle of 45 °, and the angle of the plane including the surface of the opposing surface of the second magnet with respect to the radial direction of the rotating portion is 45 °. And the angle of the plane including the surface of the opposing surface of the first magnet with respect to the radial direction of the fixed portion is set to 45 °, and the idling permission means is a first rotation rotated by the rotational drive source. A pair of first heteropolar magnets provided such that attractive sides act on opposite surfaces of the body and one end portion of the rotating portion facing the first rotating body, and the rotational drive A pair of second bodies provided such that attractive sides act on opposing surfaces of a second rotating body that is rotated by a source and an opposite surface of the other end portion of the rotating unit that faces the second rotating body. It is characterized in that it is configured to have a different pole magnet .

According to the rotary equipment according to the present invention, after rotating by applying a rotational driving force to the rotating portion by the rotational driving source, as well as permit the idling of the rotating part by idling permitting means, and a rotating portion and a fixed portion The revolving part can be rotated by applying repulsive force by the first and second homopolar magnets provided on the opposite surfaces of each other.

The first and second homopolar magnets facing each other are arranged so that their opposing surfaces are parallel to each other, and the magnets adjacent to each other at the fixed portion and the rotating portion are arranged on the respective magnet surfaces. And the planes including the surface of the opposing surface of the second magnet with respect to the radial direction of the rotating portion have an angle of 45 ° and the first plane with respect to the radial direction of the fixed portion. by the angle of a plane including the surface of the opposing surfaces of the first magnet is set to 45 °, is Rukoto rotates the rotating portion by a repulsive force generated when the first and second same-pole magnet between face I can do it.

Also, first, the inside of the fixing portion rotating part in can be supported in a suspended state by the attraction of the second different pole magnet, and stably the rotational position of the rotating part rotating at a high speed by the attraction of the different pole magnet Can be supported.

  An embodiment of a rotating device according to the present invention will be specifically described with reference to the drawings. 1 is a cross-sectional explanatory view showing the configuration of the rotating device according to the present invention, FIG. 2 is a side view showing the configuration of the rotating device according to the present invention, and FIG. 3 is a cross section showing the configuration of the fixing portion of the rotating device according to the present invention. FIG. 4 is an explanatory view and a side view, and FIG. 4 is a cross-sectional explanatory view and a side view showing the configuration of the rotating portion of the rotating device according to the present invention.

  1 to 4, the rotating device 1 is configured such that a motor 8 serving as a rotation driving source for applying a rotation driving force is provided with a cylindrical fixing portion 3 provided at one end, and is rotatable within the fixing portion 3. And a cylindrical rotating portion 4 provided.

  A connecting member 5 serving as a first rotating body is attached to a rotating shaft 8 a of the motor 8, and the connecting member 5 is rotatably supported by a bearing member 6 provided at the other end of the fixed portion 3. The supported spindle member 7 is attached. Further, in the axial direction of the support shaft member 7 (left-right direction in FIG. 1), the second rotating body is located at a position corresponding to the entire length in the axial direction (left-right direction in FIG. 1) of the rotating portion 4 from the connecting member 5. The restraint member 12 is attached, and thereby, the rotation shaft 8a, the connecting member 5, the support shaft member 7 and the restraint member 12 of the motor 8 are configured to rotate integrally.

  A bearing member 9 is provided inside the rotating portion 4, and the rotating member 4 is rotatable relative to the support shaft member 7 by the bearing member 9 and is slidable in the axial direction (left-right direction in FIG. 1). It is supported. A pair of different-polarity magnets provided on the opposing surfaces of the connecting member 5 serving as the first rotating body and the one end portion of the rotating portion 4 facing the connecting member 5 so as to act on each other by a magnetic force. 10 and 11 are provided.

  In addition, a pair of constraining members 12 serving as the second rotating body and a pair of opposing surfaces of the other end of the rotating unit 4 facing the constraining member 12 are provided so that attractive force due to magnetic force acts on each other. Different pole magnets 13 and 14 are provided.

  Here, the different-polar magnets 10 and 11 and the different-polar magnets 13 and 14 are arranged so that the N-pole and the S-pole are opposed to each other, and can be freely rotated on the support shaft member 7 by the attractive force acting on each other. In addition, the rotating part 4 provided so as to be slidable in the axial direction (left-right direction in FIG. 1) is provided between the connecting member 5 and the restraining member 12 which are rotated by the rotational driving force of the motor 8. The pole magnets 13 and 14 are attracted from both sides and can be rotated together with the connecting member 5 and the restraining member 12 which are rotated by the rotational driving force of the motor 8 at a stable position.

  Further, each of the different-polar magnets 10 and 11 and the different-polar magnets 13 and 14 provided between the connecting member 5 and the restraining member 12 that are rotated by the motor 8 and both ends of the rotating portion 4 are a rotational drive source. An idling permission means is provided in a rotational drive transmission path between the motor 8 and the rotating portion 4 and allows the idling of the rotating portion 4.

  Further, since the different-polar magnets 10 and 11 and the different-polar magnets 13 and 14 are provided between the connecting member 5 and the restraining member 12 rotated by the motor 8 and both ends of the rotating portion 4, the motor 8 is stopped when the motor 8 is stopped. The magnetic poles of the different polar magnets 10 and 11 and the different polar magnets 13 and 14 can act as a brake for the rotating portion 4.

  As shown in FIG. 3, on the inner peripheral surface of the fixed portion 3 that faces the outer peripheral surface of the rotating portion 4, the fixed repulsion is a first magnet arranged at a predetermined pitch in the axial direction of the fixed portion 3. As shown in FIG. 4, the magnet 15 is provided on the outer peripheral surface facing the inner peripheral surface of the fixed portion 3 of the rotating portion 4 and arranged at a predetermined pitch in the axial direction of the rotating portion 4. A rotational repulsion magnet 16 is provided as a second magnet.

  The fixed repulsion magnet 15 and the rotation repulsion magnet 16 are composed of homopolar magnets to which a repulsive force due to a magnetic force acts. For example, if the fixed repulsion magnet 15 is N pole, the rotary repulsion magnet 16 is also composed of N pole, and if the fixed repulsion magnet 15 is S pole, the rotation repulsion magnet 16 is also composed of S pole.

As shown in FIG. 2, the fixed repulsion magnet 15 and the rotation repulsion magnet 16 are arranged so that the opposing surfaces 15 a and 16 a are parallel to each other while facing each other. The fixed repulsion magnets 15 and the rotation repulsion magnets 16 that are adjacent to each other include the flat surfaces 15b including the surfaces of the opposing surfaces 15a of the respective fixed repulsion magnets 15, and the opposing surfaces 16a of the rotation repulsion magnets 16. Are set so that the planes 16b including the surfaces intersect at predetermined angles θ ₁ and θ ₂ .

The eight fixed as crossing angle theta ₁ in this embodiment plane 15b between including the surface of the opposing surface 15a of the fixed repelling magnet 15 the fixed repelling magnet 15 between which are provided adjacent to each other in a fixed part 3 When the repulsion magnets 15 are arranged at the same pitch, 45 ° is optimal. Further, eight as crossing angle theta ₂ in this embodiment of the plane 16b between including the surface of the opposing surfaces 16a of the rotary repelling magnet 16 between the said rotary repelling magnet 16 are respectively provided adjacent to each other in the rotating part 4 When the rotary repulsion magnets 16 are arranged at the same pitch, 45 ° is optimal.

  Further, the angle of the flat surface 16b including the surface of the opposing surface 16a of the rotary repulsion magnet 16 with respect to the radial direction of the rotating portion 4 is optimally 45 °, and the opposing surface 15a of the fixed repulsive magnet 15 with respect to the radial direction of the fixed portion 3 The angle of the plane 15b including the surface is optimally 45 °.

The angle of the flat surface 16b including the surface of the opposing surface 16a of the rotating repulsion magnet 16 with respect to the radial direction of the rotating portion 4 and the flat surface 15b including the surface of the opposing surface 15a of the fixed repulsive magnet 15 with respect to the radial direction of the fixing portion 3 are described. Angle, intersection angle θ ₁ of planes 15 b including surfaces of opposing surfaces 15 a of fixed repulsion magnet 15 between fixed repulsion magnets 15 adjacent to each other at fixed portion 3, and adjacent to each other at rotating portion 4 crossing angle theta ₂ between the plane 16b including a surface of the opposing surfaces 16a of the rotary repelling magnet 16 between the said rotary repelling magnet 16 to be is that each set appropriately large and smaller than 90 ° angular range from 0 ° Thus, compared to the case where the same angle is set to 0 ° or 90 °, the force contributing to the rotation of the rotating unit 4 can be made 1 to 2 times.

Examples of applications of the present invention can be applied to rotary apparatus that will be rotated by the rotational driving source such as a motor.

It is a section explanatory view showing the composition of the rotation device concerning the present invention. It is a side view which shows the structure of the rotating apparatus which concerns on this invention. It is sectional explanatory drawing and a side view which show the structure of the fixing | fixed part of the rotating apparatus which concerns on this invention. It is a section explanatory view and a side view showing the composition of the rotation part of the rotation device concerning the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Rotating device 3 ... Fixed part 4 ... Rotating part 5 ... Connecting member 6 ... Bearing member 7 ... Support shaft member 8 ... Motor 8a ... Rotating shaft 9 ... Bearing member
10, 11 ... Different pole magnet
12 ... restraint member
13, 14 ... Heteropolar magnet
15 ... Fixed repulsion magnet
15a ... Opposite surface
15b ... plane
16 ... Rotary repulsion magnet
16a ... Opposite surface
16b ... plane

Claims (1)

A fixed portion provided with a rotation drive source for applying a rotation drive force;
A rotating part provided rotatably inside the fixed part;
An idling permission means provided in a rotation drive transmission path between the rotation drive source and the rotation unit, and allowing the rotation of the rotation unit;
A first magnet disposed at a predetermined pitch in the axial direction of the fixed portion on the inner peripheral surface of the fixed portion facing the outer peripheral surface of the rotating portion;
A second magnet disposed at a predetermined pitch in the axial direction of the rotating portion on the outer peripheral surface of the rotating portion facing the inner peripheral surface of the fixed portion;
Have
The first and second magnets are composed of homopolar magnets on which opposing sides act on each other, and are arranged so that the opposing surfaces are parallel with each other facing each other. Further, the magnets adjacent to each other in the fixed part and the rotating part intersect the planes including the respective magnet surfaces at an angle of 45 °, and the second direction relative to the radial direction of the rotating part. in 45 ° the angle of the plane including the surface of the opposing surfaces of the magnet, and the angle of the plane including the surface of the opposing surfaces of the first magnet in the radial direction of the fixing portion is set to 45 °,
The idling permission means is
A pair of surfaces provided to face each other on the opposing surfaces of the first rotating body that is rotated by the rotation driving source and the one end of the rotating section that faces the first rotating body so that attractive forces act on each other. A first heteropolar magnet ;
A pair of opposing surfaces of the second rotating body that is rotated by the rotation driving source and the other end of the rotating section that faces the second rotating body so that the opposite sides act on each other. A second heteropolar magnet of
A rotating device characterized by comprising:

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