JP2001057771A - Auxiliary device of rotor by permanent magnet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To assist pedal-stepping force being connected to the chain sprocket of a rotor such as a bicycle by synchronizing the rotor where a permanent magnet is mounted and another rotor where the permanent magnet is mounted for generating the attraction force and repulsion force of magnetism. SOLUTION: Eight permanent magnets are arranged at a timing pulley 82 of a chain sprocket 11 while N and S poles are arranged alternately at an equal circumference division. A total of two permanent magnets 86 of N and S poles are arranged at a circular plate 85 being fixed to a timing pulley 84 at an equal circumference division so that the N pole is located at the center of the N and S poles of a permanent magnet 83. From the above configuration, the N pole of the permanent magnet 83 and that of the permanent magnet 86 repel each other, and the S and N poles are attracted each other. When the S pole of the permanent magnet 85 is rotated by 45 degrees and reaches the previous N-pole position, the S pole of the permanent magnet 86 is rotated by 180 degrees, and the S pole of the permanent magnet 83 and that of the permanent magnet 86 repel each other, and the N and S poles are attracted each other, thus assisting the rotation of the chain sprocket 11.

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to an apparatus for assisting a rotating body with a magnetic attraction force and a repulsive force. 2. Description of the Related Art Although there is no similar technique, for example, in the case of a bicycle, an electric assisted bicycle is currently on the market, but the price is as high as about 100,000 yen or more and the weight is about 2
Heavier than 0kg. Further, there is no conventional bicycle attachment device on the market. The device weighs less than one kilogram and can be easily attached to conventional bicycles. [0003] The present invention is an apparatus for assisting a pedal depressing force connected to a rotating body, for example, a chain sprocket of a bicycle by a magnetic attraction force and a repulsive force. DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a three-dimensional view of the present invention. FIG. 2 shows a front view and a sectional view of the present invention. FIG. 3 shows a three-dimensional view of the present invention. FIG. 4 is a front view of the present invention. FIG. 5 shows a sectional view of the present invention. In FIGS. 1 and 2, this is an auxiliary device for the rotating body. A permanent magnet 3 is attached to the internal gear 2 fixed to the rotating shaft 1, and a total of eight N poles and S poles are alternately arranged circumferentially and equally spaced. The spur gear 4 driven by the internal gear 2 has a disc 5
Are fixed, and the disk 5 is provided with a total of two N poles and S poles of the permanent magnet 6, which are equally spaced around the circumference. A bearing 7 is inserted into the spur gear 4, and the bearing 7 is supported by a fixed shaft 8. As shown in FIGS. 1 and 2, the permanent magnet 6 is arranged so that the N pole of the permanent magnet 6 enters between the N pole and the S pole of the permanent magnet 3. N pole of permanent magnet 3 and permanent magnet 6
Is repelled, and the rotation of the rotating shaft is assisted by the force of attracting the S pole of the permanent magnet 3 and the N pole of the permanent magnet 6. When the S pole of the permanent magnet 3 rotates by 45 ° and comes to the position of the previous N pole, the S pole of the permanent magnet 6 rotates by 180 ° and enters, and the S pole of the permanent magnet 3 and the The S pole is repelled, and the rotation of the rotating shaft is assisted by the force of attracting the N pole of the permanent magnet 3 and the S pole of the permanent magnet 6. By continuously generating this action, the auxiliary action of the rotating shaft is continuously generated. The ratio between the number of teeth of the internal gear 2 and that of the spur gear 4 is 4: 1 in FIGS. 1 and 2 so that this action occurs continuously.
Is decided. 3, 4, and 5, this is an apparatus in which the auxiliary device of the rotating body of FIG. 1 is attached to a chain sprocket of a bicycle pedal portion. A permanent magnet 13 is attached to the internal gear 12 fixed to the chain sprocket 11, and N poles and S poles are alternately arranged in a circumferential shape, for a total of 8 poles.
And are equally spaced around the circumference. A disk 15 is fixed to a spur gear 14 driven by the internal gear 12,
The disk 15 is provided with a total of two N poles and S poles of the permanent magnet 16, which are equally spaced around the circumference. The spur gear 14 has a bearing 17
Are inserted, and the bearing 17 is supported by the fixed shaft 18. The fixed shaft 18 is fixed to a bicycle frame 19. If the material of the fixed shaft 18 is rubber in consideration of biting of sand or the like between the internal gear 12 and the spur gear 14, the gear will not be damaged even if an excessive force is applied to the gear. As shown in FIG. 3, FIG. 4, and FIG.
The permanent magnet 16 is arranged so that the north pole of the permanent magnet 16 enters the center of the north pole and the south pole of the third magnet. The N pole of the permanent magnet 13 and the N pole of the permanent magnet 16 are repelled, and the rotation of the chain sprocket 11 is assisted by the attraction between the S pole of the permanent magnet 13 and the N pole of the permanent magnet 16. S pole of permanent magnet 13 is 4
After rotating by 5 ° to the position of the previous N pole, the permanent magnet 16
The S pole of the permanent magnet 13 repels the S pole of the permanent magnet 13 and the N pole of the permanent magnet 13
The rotation of the chain sprocket 11 is assisted by the attraction between the pole and the S pole of the permanent magnet 16. Since this action occurs continuously, the chain sprocket 1
The auxiliary action of one rotation occurs continuously. The gear ratio between the internal gear 12 and the spur gear 14 is determined to be 4: 1 in FIGS. 3, 4 and 5 so that this action occurs continuously. FIG. 6 shows a three-dimensional view of the present invention. FIG. 7 shows a front view and a sectional view of [Claim 1]. FIG. 8 shows a three-dimensional view of the present invention. FIG. 9 shows a front view of the present invention. FIG. 10 shows a sectional view of the present invention. In FIGS. 6 and 7, this is an auxiliary device for the rotating body. A permanent magnet 23 is attached to a spur gear 22 fixed to the rotating shaft 1, and a total of eight N poles and S poles are alternately arranged circumferentially and equally spaced. A disk 25 is fixed to the spur gear 24 driven by the spur gear 22, and the disk 25 has a total of two N poles and S poles of the permanent magnets 26, which are equally spaced around the circumference. A bearing 27 is inserted into the spur gear 24, and the bearing 2
7 is supported by a fixed shaft 28. As shown in FIGS. 6 and 7, the permanent magnet 26 is disposed between the N pole and the S pole of the permanent magnet 23.
Are arranged so that the N pole of The N pole of the permanent magnet 23 and the N pole of the permanent magnet 26 repel, and the permanent magnet 2
3 and the N pole of the permanent magnet 26 are attracted.
S-pole of the permanent magnet 23 to assist rotation of the rotating shaft is 45 °
When it rotates to the position of the previous N pole, the S
The poles are rotated by 180 °, and the S-pole of the permanent magnet 23 and the S-pole of the permanent magnet 26 repel, and the N-pole of the permanent magnet 23 and the S-pole of the permanent magnet 26 are attracted to each other by the force of the attraction. The rotation of is assisted. By continuously generating this action, the auxiliary action of the rotating shaft is continuously generated. Note that the gear ratio between the gear 22 and the spur gear 24 is determined to be 4: 1 in FIGS. 6 and 7 so that this action occurs continuously. 8, 9, and 10, this is an apparatus in which the auxiliary device for the rotating body in FIG. 6 is attached to a chain sprocket of a pedal portion of a bicycle. A permanent magnet 33 is attached to the spur gear 32 fixed to the chain sprocket 11, and a total of eight N poles and S poles are alternately arranged circumferentially and equally. A disk 35 is fixed to a spur gear 34 driven by the spur gear 32, and two permanent magnets 36 are arranged on the disk 35 at equal circumferential intervals. A bearing 37 is inserted into the spur gear 34,
The bearing 37 is supported by a fixed shaft 38. Fixed shaft 3
8 is fixed to the frame 19 of the bicycle. In addition,
If the fixed shaft 38 is made of rubber in consideration of biting of sand or the like between the spur gear 32 and the spur gear 34, the gear will not be damaged even if an excessive force is applied to the gear. 8 and 9,
As shown in FIG. 10, the permanent magnet 33 is arranged such that the N pole of the permanent magnet 36 enters the center of the N pole and the S pole of the permanent magnet 33. The N pole of the permanent magnet 33 and the N pole of the permanent magnet 36 are repelled, and the rotation of the chain sprocket 11 is assisted by the attraction between the S pole of the permanent magnet 33 and the N pole of the permanent magnet 36. The S pole of the permanent magnet 33 is rotated by 45 ° and the previous N
When it comes to the position of the pole, the S pole of the permanent magnet 36 enters by rotating by 180 °, the S pole of the permanent magnet 33 and the S pole of the permanent magnet 36 repel, and the N pole of the permanent magnet 33 and the permanent magnet 36 S
The rotation of the chain sprocket 11 is assisted by the force of attracting the poles. By continuously generating this action, the auxiliary action of the rotation of the chain sprocket 11 is continuously generated. The gear ratio between the spur gear 32 and the spur gear 34 is determined to be 4: 1 in FIGS. 8, 9 and 10 so that this action occurs continuously. FIG. 11 shows a three-dimensional view of the present invention. FIG. 12 shows a front view and a bottom view of the present invention. FIG. 16 shows a front view and a bottom view of a bevel gear according to the present invention. FIG. 13 shows a three-dimensional view of the present invention. FIG. 14 is a front view of the present invention. FIG. 15 is a side view of the present invention. 11, 12, and 16
In, this is an auxiliary device for the rotating body. Face gear 42 (or bevel gear 62) fixed to rotating shaft 1
Has a permanent magnet 43 attached to it, and has an N pole
A total of eight S poles are alternately arranged on the circumference. A disk 45 is fixed to a spur gear 44 (bevel gear 64) driven by the face gear 42 (or bevel gear 62), and the disk 45 has a total of two N poles and S poles of a permanent magnet 46. And are equally spaced around the circumference. A bearing 47 is inserted into the spur gear 44 (the bevel gear 64), and the bearing 47 is supported by a fixed shaft 48. 11 and 1
As shown in FIG. 2, the permanent magnet 43 is arranged such that the N pole of the permanent magnet 46 enters between the N pole and the S pole of the permanent magnet 43.
The N pole of the permanent magnet 43 and the N pole of the permanent magnet 46 are repelled, and the rotation of the rotating shaft is assisted by the attraction between the S pole of the permanent magnet 43 and the N pole of the permanent magnet 46. S of permanent magnet 43
When the pole rotates by 45 ° and comes to the position of the previous N pole, the S pole of the permanent magnet 46 enters by rotating by 180 °, and the S pole of the permanent magnet 43 and the S pole of the permanent magnet 46 repel. , Permanent magnet 4
3 and the S pole of the permanent magnet 46 are attracted.
The rotation of the rotating shaft is assisted. By continuously generating this action, the auxiliary action of the rotating shaft is continuously generated. The face gear 42 (or bevel gear 62)
The ratio of the number of teeth of the spur gear 44 (or the bevel gear 64) is determined to be 4: 1 in FIGS. 11 and 12 so that this action occurs continuously. 13, 14, and 15, this is an apparatus in which the auxiliary device of the rotating body of FIG. 11 is attached to a chain sprocket of a pedal portion of a bicycle. Face gear 52 fixed to chain sprocket 11
A permanent magnet 53 is attached to the (or bevel gear), and a total of eight N poles and S poles are alternately arranged on the circumference in a circumferential manner. A disk 55 is fixed to a spur gear 54 (or bevel gear) driven by a face gear 52 (bevel gear), and the disk 55 has a permanent magnet 56 having a total of two N poles and two S poles. They are equally spaced around the circumference. A bearing 57 is inserted into the spur gear 54 (or bevel gear), and the bearing 57 is supported by a fixed shaft 58. The fixed shaft 58 is fixed to the bicycle frame 19. The face gear 52 (bevel gear) and the spur gear 5
If the material of the fixed shaft 58 is made of rubber in consideration of sand or the like being interposed between the gear 4 and the bevel gear 4, the gear will not be damaged even if an excessive force is applied to the gear. 13 and 14, FIG.
As shown in FIG. 5, the permanent magnet 53 is arranged so that the N pole of the permanent magnet 56 enters the center of the N pole and the S pole of the permanent magnet 53. The N pole of the permanent magnet 53 and the N pole of the permanent magnet 56 are repelled, and the rotation of the chain sprocket 11 is assisted by the force attracting the S pole of the permanent magnet 53 and the N pole of the permanent magnet 56. The S pole of the permanent magnet 53 is rotated by 45 ° and the previous N
When it comes to the position of the pole, the S pole of the permanent magnet 56 enters by rotating by 180 °, the S pole of the permanent magnet 53 and the S pole of the permanent magnet 56 repel, and the N pole of the permanent magnet 53 and the permanent magnet 56 S
The rotation of the chain sprocket 11 is assisted by the force of attracting the poles. By continuously generating this action, the auxiliary action of the rotation of the chain sprocket 11 is continuously generated. The gear ratio between the face gear 52 (bevel gear) and the spur gear 54 (bevel gear) is determined to be 4: 1 in FIGS. 13, 14 and 15 so that this action occurs continuously. FIG. 17 shows a three-dimensional view of the present invention. FIG. 18 shows a front view and a sectional view of [Claim 1]. FIG. 19 shows a three-dimensional view of [Claim 2]. FIG. 20 is a front view of the present invention. FIG. 21 shows a sectional view of the present invention. 17 and 18, this is an auxiliary device for the rotating body. A permanent magnet 73 is attached to a timing pulley 72 fixed to the rotating shaft 1, and a total of eight N-poles and S-poles are alternately arranged circumferentially and equally. A disk 75 is fixed to a timing pulley 74 driven by a timing pulley 72 via a timing belt 79.
, Two N poles and two S poles of the permanent magnet 76 are arranged at equal circumferential intervals. A bearing 77 is inserted into the timing pulley 74, and the bearing 77 is supported by a fixed shaft 78. As shown in FIGS. 17 and 18, the permanent magnet 73 is arranged so that the N pole of the permanent magnet 76 enters between the N pole and the S pole of the permanent magnet 73. The N pole of the permanent magnet 73 and the N pole of the permanent magnet 76 are repelled, and the rotation of the rotating shaft is assisted by the attraction between the S pole of the permanent magnet 73 and the N pole of the permanent magnet 76. Is rotated 45 ° and the previous N
At the position of the pole, the S pole of the permanent magnet 76 rotates by 180 ° and enters, and the S pole of the permanent magnet 73 and the S pole of the permanent magnet 76 repel, and the N pole of the permanent magnet 73 and the permanent magnet 76 S
The rotation of the rotating shaft is assisted by the force of the pole being attracted.
By continuously generating this action, the auxiliary action of the rotating shaft is continuously generated. The ratio between the number of teeth of the timing pulley 72 and the number of teeth of the timing pulley 74 is determined to be 4: 1 in FIGS. 17 and 18 so that this action occurs continuously. 19, 20, and 21, this is an apparatus in which the auxiliary device of the rotating body of FIG. 17 is attached to a chain sprocket of a pedal portion of a bicycle. The timing pulley 82 fixed to the chain sprocket 11 has
Permanent magnets 83 are attached, and a total of eight N poles and S poles are alternately arranged circumferentially and equally spaced. A disk 85 is fixed to a timing pulley 84 driven by a timing pulley 82 via a timing belt 89, and the disk 85 has a total of two N poles and S poles of a permanent magnet 86, which are equally spaced around the circumference. Are located. A bearing 87 is inserted into the timing pulley 84.
Is supported by a fixed shaft 88. The fixed shaft 88 is fixed to the bicycle frame 19. As shown in FIG. 19, FIG. 20, and FIG. 21, the permanent magnet 83 is arranged such that the N pole of the permanent magnet 86 enters the center of the N pole and the S pole of the permanent magnet 83. The N pole of the permanent magnet 83 and the N pole of the permanent magnet 86 are repelled, and the rotation of the chain sprocket 11 is assisted by the attraction between the S pole of the permanent magnet 83 and the N pole of the permanent magnet 86. The S pole of the permanent magnet 83 is rotated by 45 ° and the previous N
When it comes to the position of the pole, the S pole of the permanent magnet 86 enters by rotating by 180 °, the S pole of the permanent magnet 83 and the S pole of the permanent magnet 86 repel, and the N pole of the permanent magnet 83 and the permanent magnet 86 S
The rotation of the chain sprocket 11 is assisted by the force of attracting the poles. By continuously generating this action, the auxiliary action of the rotation of the chain sprocket 11 is continuously generated. The gear ratio between the timing pulley 82 and the timing pulley 84 is determined to be 4: 1 in FIGS. 19, 20 and 21 so that this action occurs continuously. According to the present invention having the above-described structure,
Since the fixed shaft supporting the bearing in the gear or the timing pulley receives most of the attraction and repulsion acting on the driven gear or the permanent magnet attached to the timing pulley, the driven gear The action of the magnet acts more effectively on the rotation than the loss of the force for driving the timing pulley.

BRIEF DESCRIPTION OF THE DRAWINGS [Description of reference numerals] Reference code list 1 Rotary shaft 11 Chain sprocket 2 Internal gear 12 Internal gear 3 Permanent magnet 13 Permanent magnet 4 Spur gear 14 Spur gear 5 Disk 15 Disk 6 Permanent magnet 16 permanent magnet 7 bearing 17 bearing 8 fixed shaft 18 fixed shaft 9 bearing for rotating shaft 19 frame 10 fixed case for bearing 20 pedal 22 spur gear 32 spur gear 23 permanent magnet 33 permanent magnet 24 spur gear 34 spur gear 25 disk 35 yen Plate 26 Permanent magnet 36 Permanent magnet 27 Bearing 37 Bearing 28 Fixed shaft 38 Fixed shaft 42 Face gear 52 Face gear 43 Permanent magnet 53 Permanent magnet 44 Spur gear 54 Spur gear 45 Disk 55 Disk 46 Permanent magnet 56 Permanent magnet 47 Bearing 57 Bearing 48 Fixed shaft 58 Fixed shaft 62 Bevel gear 72 Timing pulley 63 Permanent magnet 73 permanent magnet 64 bevel gear 74 timing pulley 65 disk 75 disk 66 permanent magnet 76 permanent magnet 67 bearing 77 bearing 68 fixed shaft 78 fixed shaft 79 timing belt 82 timing pulley 83 permanent magnet 84 timing pulley 85 disk 86 permanent magnet 87 Bearing 88 Fixed shaft 89 Timing belt

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[Procedure amendment] [Submission date] October 25, 1999 (1999.10.
25) [Procedure amendment 2] [Document name to be amended] Description [Item name to be amended] Brief explanation of drawings [Amendment method] Change [Content of amendment] [Brief explanation of drawings] [Fig. FIG. 3 is a three-dimensional view showing an embodiment of the present invention. FIG. 2 is a front view and a sectional view of FIG. 1; FIG. 3 is a perspective view showing an embodiment of the present invention. FIG. 4 is a front view of FIG. 3; FIG. 5 is a sectional view of FIG. 3; FIG. 6 is a three-dimensional view showing an embodiment of the present invention. FIG. 7 is a front view and a sectional view of FIG. 6; FIG. 8 is a three-dimensional view showing an embodiment of the present invention. FIG. 9 is a front view of FIG. FIG. 8 is a sectional view of FIG. FIG. 11 is a perspective view showing an embodiment of the present invention. FIG. 12 is a front view and a bottom view of FIG. 11; FIG. 13 is a perspective view showing an embodiment of the present invention. FIG. 14 is a front view of FIG. FIG. 13 is a side view of FIG. FIG. 16 is a front view and a bottom view showing an embodiment of the present invention. FIG. 17 is a perspective view showing an embodiment of the present invention. FIG. 18 is a front view and a cross-sectional view of FIG. FIG. 19 is a three-dimensional view showing an embodiment of the present invention. FIG. 20 is a front view of FIG. 19; FIG. 21 is a sectional view of FIG. 19; DESCRIPTION OF SYMBOLS 1 Rotating shaft 2 Internal gear 3 Permanent magnet 4 Spur gear 5 Disk 6 Permanent magnet 7 Bearing 8 Fixed shaft 9 Rotating shaft bearing 10 Bearing fixing case 11 Chain sprocket 12 Internal gear 13 Permanent magnet 14 Spur gear 15 Disk 16 Permanent magnet 17 Bearing 18 Fixed shaft 19 Frame 20 Pedal 22 Spur gear 23 Permanent magnet 24 Spur gear 25 Disk 26 Permanent magnet 27 Bearing 28 Fixed shaft 32 Spur gear 33 Permanent magnet 34 Spur gear 35 Disk 36 Permanent magnet 37 Bearing 38 Fixed shaft 42 Face gear 43 Permanent magnet 44 Spur gear 45 Disk 46 Permanent magnet 47 Bearing 48 Fixed shaft 52 Face gear 53 Permanent magnet 54 Spur gear 55 Disk 56 Permanent magnet 57 Bearing 58 Fixed shaft 62 Bevel gear 63 permanent magnet 64 bevel gear 65 disk 66 permanent magnet 67 bearing 68 fixed shaft 72 timing Pulley 73 permanent magnets 74 timing pulley 75 disc 76 permanent magnet 77 bearing 78 fixed shaft 79 timing belt 82 timing pulley 83 permanent magnets 84 timing pulley 85 disc 86 permanent magnet 87 bearing 88 fixed shaft 89 timing belt

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Hiroshi Yamaguchi             31 Kawashima-Kitaura-cho, Nishikyo-ku, Kyoto-shi, Kyoto (72) Inventor Naoki Yamaguchi             31 Kawashima-Kitaura-cho, Nishikyo-ku, Kyoto-shi, Kyoto (72) Inventor Masaki Yamaguchi             31 Kawashima-Kitaura-cho, Nishikyo-ku, Kyoto-shi, Kyoto (72) Inventor Hiroki Yamaguchi             31 Kawashima-Kitaura-cho, Nishikyo-ku, Kyoto-shi, Kyoto

Claims (1)

Claims 1. A rotating body on which a permanent magnet is mounted, and a permanent magnet mounted by the rotating body, the permanent magnet being driven by means capable of synchronizing a gear, a gear timing pulley, a timing belt, and the like. A device that assists the rotation of the rotating body by magnetic attraction and repulsion. 2. A bicycle equipped with a device for assisting rotation of the bicycle.