CN108365733B - Magnetic gear structure capable of improving production efficiency - Google Patents
Magnetic gear structure capable of improving production efficiency Download PDFInfo
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- CN108365733B CN108365733B CN201810411280.3A CN201810411280A CN108365733B CN 108365733 B CN108365733 B CN 108365733B CN 201810411280 A CN201810411280 A CN 201810411280A CN 108365733 B CN108365733 B CN 108365733B
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- ring
- main body
- body member
- shaped
- magnetic conduction
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
Abstract
A magnetic gear structure capable of improving production efficiency relates to a magnetic gear structure. The outer rotor rotates outside the modulation ring, the inner rotor rotates inside the modulation ring, the modulation ring is a member which is formed by alternately folding the two sides of the annular plate for a plurality of times and is cylindrical in shape, the opening end of each fold is communicated with the corresponding end face of the main body member to form a n-shaped fold body, the two end rings respectively comprise an outer ring, an inner ring and a plurality of limiting pieces, the limiting pieces are respectively attached to the inner sides of the closed ends of the n-shaped fold bodies of the main body member, the outer ring and the inner ring are coaxially arranged and sleeved with the main body member, the outer ring and the inner ring are respectively clamped on the inner sides of the corresponding limiting pieces, each n-shaped fold body divides the two end rings into a wedge-shaped mounting groove, and each magnetic conduction member or non-magnetic conduction member is in interference fit with the corresponding wedge-shaped mounting groove. The modulation ring is efficiently optimized, the production efficiency is improved, and the rigidity and the integrity are better ensured.
Description
Technical Field
The invention relates to a magnetic gear structure, in particular to a magnetic gear structure capable of improving production efficiency.
Background
Compared with the traditional mechanical gear, the magnetic gear has the advantages of no contact, no friction loss, low vibration noise, long service life and the like, thereby being widely applied.
The magnetic gear is generally composed of an outer rotor, an inner rotor and a modulation ring, the manufacturing process of the outer rotor and the inner rotor is relatively simple at present, but the manufacturing process of the modulation ring is relatively troublesome, and mainly because the assembly structure of the modulation ring is relatively complex, if the assembly structure of the modulation ring can be effectively optimized, the whole production efficiency of the magnetic gear can be improved. Furthermore, the modulation ring, which is an important component of the magnetic gear, must have good rigidity and integrity, and the current modulation ring is yet to be reinforced.
Disclosure of Invention
In order to solve the defects in the background art, the invention provides a magnetic gear structure capable of improving production efficiency.
The invention adopts the following technical scheme: the magnetic gear structure capable of improving production efficiency comprises an outer rotor, an inner rotor and a modulation ring, wherein the modulation ring is fixed, the outer rotor coaxially rotates outside the modulation ring, an outer air gap is arranged between the outer rotor and the modulation ring, the inner rotor coaxially rotates inside the modulation ring, an inner air gap is arranged between the inner rotor and the modulation ring, the outer rotor is formed by splicing and pasting a plurality of fan-shaped annular permanent magnet blocks I into a large annular shape, the plurality of fan-shaped annular permanent magnet blocks I are magnetized in a radial direction, the magnetic poles of every two adjacent fan-shaped annular permanent magnet blocks I are opposite, the inner rotor is formed by splicing and pasting a plurality of fan-shaped annular permanent magnet blocks II into a small annular shape, the plurality of fan-shaped annular permanent magnet blocks II are magnetized in a radial direction, the magnetic poles of every two adjacent fan-shaped permanent magnet blocks II are opposite, the modulation ring comprises a main body member, two end rings, a plurality of magnetic conducting members and a plurality of non-magnetic conducting members, the main body member is a member with a cylindrical shape formed by alternately folding the two sides of the annular plate for a plurality of times, the open end of each fold is communicated with the corresponding end surface of the main body member to form n-shaped fold bodies, a plurality of n-shaped fold bodies are arranged in a staggered manner along the circumferential direction of the main body member at equal angles, the open directions of every two adjacent n-shaped fold bodies are opposite, the two end rings respectively comprise an outer ring, an inner ring and a plurality of limiting sheets, the limiting sheets of the two end rings are respectively attached to the inner sides of the closed ends of the n-shaped fold bodies of the main body member, the outer ring and the inner ring of each end ring are coaxially arranged and sleeved with the main body member, the outer ring and the inner ring of each end ring are respectively clamped on the inner sides of the corresponding limiting sheets, each n-shaped fold body separates the two end rings into a wedge-shaped mounting groove, the magnetic conductive members and the non-magnetic conductive members are arranged in a staggered manner, each magnetic conduction component or non-magnetic conduction component is in interference fit with the corresponding wedge-shaped mounting groove and is tightly plugged in the wedge-shaped mounting groove.
Compared with the prior art, the invention has the beneficial effects that: the invention optimizes the assembly structure of the modulation ring with high efficiency, the main body component of the modulation ring has ingenious design, the limit piece can be limited at the inner side of the closed end of the pi-shaped fold body, the limit piece can limit the outer ring and the inner ring at the inner side of the pi-shaped fold body, at the moment, the magnetic conduction component and the non-magnetic conduction component are matched and tightly packed in the wedge-shaped mounting groove, the outer ring, the inner ring and the limit piece can be supported, the structure is balanced and stable, the assembly is high in integration degree and quicker, the production efficiency is improved, in addition, the assembly is not needed to destroy the components, and the rigidity and the integrity of the components are better ensured.
Drawings
FIG. 1 is a schematic structural view of a magnetic gear structure capable of improving production efficiency of the present invention;
FIG. 2 is an isometric view of a modulation ring of the present invention;
FIG. 3 is an isometric view of the assembled structure of the body member and two end rings of the modulation ring of the present invention;
FIG. 4 is an isometric view of a body member of the modulation ring of the present invention;
FIG. 5 is an isometric view of a split structure of an end ring of the modulation ring of the present invention;
FIG. 6 is an isometric view of a magnetically permeable member of the modulation ring of the present invention;
fig. 7 is an isometric view of a non-magnetically permeable member of the modulation ring of the present invention.
Description of the embodiments
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are all within the protection scope of the present invention.
The first embodiment is as follows: as shown in fig. 1-7, the invention discloses a magnetic gear structure capable of improving production efficiency, which comprises an outer rotor a, an inner rotor B and a modulation ring C, wherein the modulation ring C is fixed, the outer rotor a coaxially rotates outside the modulation ring C, an outer air gap D is arranged between the outer rotor a and the modulation ring C, the inner rotor B coaxially rotates inside the modulation ring C, an inner air gap E is arranged between the inner rotor B and the modulation ring C, the outer rotor a is spliced and attached to form a large ring shape by a plurality of first sector ring-shaped permanent magnets A1, the first sector ring-shaped permanent magnets A1 are radially magnetized, the magnetic poles of every two adjacent first sector ring-shaped permanent magnets A1 are opposite, the inner rotor B is spliced and attached to form a small ring shape by a plurality of second sector ring-shaped permanent magnets B1, the second sector ring-shaped permanent magnets B1 are radially magnetized, the modulation ring C comprises a main body member 1, two end rings 2, a plurality of magnetic conduction members 3 and a plurality of non-magnetic conduction members 4, wherein the main body member 1 is a member which is formed by alternately folding the two sides of an annular plate for a plurality of times and is in a cylindrical shape, the open end of each fold is communicated with the corresponding end face of the main body member 1 to form a n-shaped fold body 1-1, the n-shaped fold bodies 1-1 are arranged in a staggered manner along the circumferential direction of the main body member 1 at equal angles, the opening directions of the two adjacent n-shaped fold bodies 1-1 are opposite, the two end rings 2 comprise an outer ring 2-1, an inner ring 2-2 and a plurality of limiting pieces 2-3, the limiting pieces 2-3 of the two end rings 2 are in one-to-one contact with the inner sides of the closed ends of the n-shaped fold bodies 1-1 of the main body member 1, the outer ring 2-1 and the inner ring 2-2 of each end ring 2 are coaxially arranged and sleeved with the main body member 1, the outer ring 2-1 and the inner ring 2-2 of each end ring 2 are clamped inside a plurality of corresponding limiting sheets 2-3, each n-shaped fold body 1-1 divides two end rings 2 into a wedge-shaped mounting groove 5, a plurality of magnetic conduction members 3 and a plurality of non-magnetic conduction members 4 are arranged in a staggered manner, and each magnetic conduction member 3 or non-magnetic conduction member 4 is in interference fit with the corresponding wedge-shaped mounting groove 5 and is tightly plugged in the wedge-shaped mounting groove 5.
The second embodiment is as follows: as shown in fig. 1, this embodiment is further described in the first embodiment, where each of the first fan-shaped permanent magnet A1 and the second fan-shaped permanent magnet B1 is made of a neodymium-iron-boron material.
And a third specific embodiment: as shown in fig. 1, this embodiment is further described in the first embodiment or the second embodiment, where the air gap intervals between the outer air gap D and the inner air gap E are all 0.2-0.4 mm.
The specific embodiment IV is as follows: as shown in fig. 3 and 5, this embodiment is further described in the third embodiment, the plurality of limiting plates 2-3 of the two end rings 2 are attached to the inner sides of the closed ends of the plurality of n-shaped fold bodies 1-1 of the main body member 1 one by one, one end of each limiting plate 2-3 extends out of the outer side surface of the main body member 1, the other end of each limiting plate 2-3 extends out of the inner side surface of the main body member 1, one end of the inner side surface of each limiting plate 2-3 is provided with an arc clamping groove one 2-4, a plurality of arc clamping grooves one 2-4 corresponding to one end ring 2 are surrounded into a large circular groove, the other end of the inner side surface of each limiting plate 2-3 is provided with an arc clamping groove two 2-5, a plurality of arc clamping grooves two-5 corresponding to one end ring 2 are surrounded into a small circular groove, and the outer ring 2-1 and the inner ring 2-2 of each end ring 2 are respectively clamped in the corresponding large circular groove and the small circular groove.
Fifth embodiment: as shown in fig. 3, 6 and 7, in this embodiment, as further described in the fourth embodiment, the thickness of each of the magnetically conductive member 3 and the non-magnetically conductive member 4 is d1, the spacing between each of the wedge-shaped mounting grooves 5 and the thickness of the magnetically conductive member 3 or the non-magnetically conductive member 4 is d2, d1 > d2, and the difference between d1 and d2 is 1-3 mm.
Specific embodiment six: as shown in fig. 2 and 6, this embodiment is further described in the fifth embodiment, and each of the magnetic conductive members 3 is formed by stacking a plurality of silicon steel sheets 3-1 along the axial direction of the main body member 1.
Seventh embodiment: as shown in fig. 7, this embodiment is further described in the fifth embodiment, and the plurality of non-magnetic conductive members 4 are all made of an epoxy resin material.
Eighth embodiment: as shown in fig. 3, this embodiment is further described in the fourth embodiment, where the inner diameter of the outer ring 2-1 is equal to the outer diameter of the body member 1, and the outer diameter of the inner ring 2-2 is equal to the inner diameter of the body member 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. The utility model provides a can improve production efficiency's magnetic gear structure, includes external rotor (A), internal rotor (B) and modulation ring (C), modulation ring (C) fixed, external rotor (A) coaxial rotation in modulation ring (C) outside, be equipped with outer air gap (D) between external rotor (A) and the modulation ring (C), internal rotor (B) coaxial rotation in modulation ring (C) inside, be equipped with interior air gap (E) between internal rotor (B) and the modulation ring (C), its characterized in that: the outer rotor (A) is spliced and attached to form a large circular ring by a plurality of first fan-shaped permanent magnet blocks (A1), the first fan-shaped permanent magnet blocks (A1) are magnetized in the radial direction, the magnetic poles of every two adjacent first fan-shaped permanent magnet blocks (A1) are opposite, the inner rotor (B) is spliced and attached to form a small circular ring by a plurality of second fan-shaped permanent magnet blocks (B1), the second fan-shaped permanent magnet blocks (B1) are magnetized in the radial direction, the magnetic poles of every two adjacent second fan-shaped permanent magnet blocks (B1) are opposite, the modulation ring (C) comprises a main body member (1), two end rings (2), a plurality of magnetic conduction members (3) and a plurality of non-magnetic conduction members (4), the main body member (1) is a member with a circular cylinder shape, the shape formed by alternately folding the two sides of an annular plate for many times, each folding opening end is communicated with the corresponding end face of the main body member (1) to form a reverse folding body (1-1), the reverse folding body (1-1) is arranged in the circumferential direction of the main body member (1) in an equi-angle way, the adjacent second fan-shaped permanent magnet blocks (B1) are opposite in the circumferential direction, the two end rings (2-2) are opposite to each other, the reverse folding body (2-2) comprises two opposite folding bodies (2-2), the limiting plates (2-3) of the two end rings (2) are attached to the inner sides of the closed ends of the n-shaped fold bodies (1-1) of the main body member (1) one by one, the outer ring (2-1) and the inner ring (2-2) of each end ring (2) are coaxially arranged and sleeved with the main body member (1), the outer ring (2-1) and the inner ring (2-2) of each end ring (2) are clamped on the inner sides of the corresponding limiting plates (2-3), each n-shaped fold body (1-1) separates the two end rings (2) into a wedge-shaped mounting groove (5), the magnetic conduction members (3) and the non-magnetic conduction members (4) are arranged in a staggered mode, and each magnetic conduction member (3) or non-magnetic conduction member (4) is in interference fit with the corresponding wedge-shaped mounting groove (5) and is tightly plugged in the wedge-shaped mounting groove (5);
each fan-shaped annular permanent magnet block I (A1) and each fan-shaped annular permanent magnet block II (B1) are made of neodymium iron boron materials;
the air gap intervals of the outer air gap (D) and the inner air gap (E) are 0.2-0.4 mm;
the limiting plates (2-3) of the two end rings (2) are attached to the inner sides of the closed ends of the n-shaped fold bodies (1-1) of the main body member (1) one by one, one end of each limiting plate (2-3) extends out of the outer side surface of the main body member (1), the other end of each limiting plate (2-3) extends out of the inner side surface of the main body member (1), one end of the inner side surface of each limiting plate (2-3) is provided with an arc clamping groove I (2-4), a plurality of arc clamping grooves I (2-4) corresponding to the same end ring (2) are surrounded into a large circular groove, the other end of the inner side surface of each limiting plate (2-3) is provided with an arc clamping groove II (2-5), a plurality of arc clamping grooves II (2-5) corresponding to the same end ring (2) are surrounded into small circular grooves, and the outer ring (2-1) and the inner ring (2-2) of each end ring (2) are respectively clamped in the corresponding large circular groove and the small circular groove;
the thickness of each magnetic conduction component (3) and the thickness of each non-magnetic conduction component (4) are d1, the corresponding interval between each wedge-shaped mounting groove (5) and the thickness of each magnetic conduction component (3) or the non-magnetic conduction component (4) is d2, d1 is more than d2, and the difference between d1 and d2 is 1-3 mm;
the inner diameters of the two outer rings (2-1) are equal to the outer diameter of the main body member (1), and the outer diameters of the two inner rings (2-2) are equal to the inner diameter of the main body member (1).
2. The magnetic gear structure capable of improving production efficiency according to claim 1, wherein: each magnetic conduction component (3) is formed by axially overlapping a plurality of silicon steel sheets (3-1) along the main body component (1).
3. The magnetic gear structure capable of improving production efficiency according to claim 1, wherein: the non-magnetic conductive members (4) are made of epoxy resin materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810411280.3A CN108365733B (en) | 2018-05-02 | 2018-05-02 | Magnetic gear structure capable of improving production efficiency |
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| CN201810411280.3A CN108365733B (en) | 2018-05-02 | 2018-05-02 | Magnetic gear structure capable of improving production efficiency |
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| CN108365733A CN108365733A (en) | 2018-08-03 |
| CN108365733B true CN108365733B (en) | 2023-09-29 |
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| CN201810411280.3A Active CN108365733B (en) | 2018-05-02 | 2018-05-02 | Magnetic gear structure capable of improving production efficiency |
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| CN110005782A (en) * | 2019-04-17 | 2019-07-12 | 艾德斯汽车电机无锡有限公司 | Magnetic gear-shift mechanism structure |
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| CN208257644U (en) * | 2018-05-02 | 2018-12-18 | 盐城哈力动力传动及智能装备产业研究院有限公司 | A kind of magnetic gear structure can be improved production efficiency |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5286373B2 (en) * | 2011-01-28 | 2013-09-11 | 株式会社日立製作所 | Magnetic gear |
| EP3261238B1 (en) * | 2016-06-23 | 2020-08-12 | Goodrich Actuation Systems Limited | Magnetic gear |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002256342A (en) * | 2001-03-05 | 2002-09-11 | Isuzu Motors Ltd | Method for manufacturing composite magnetic material, and method for manufacturing pole piece |
| CN101662202A (en) * | 2009-09-25 | 2010-03-03 | 上海大学 | Magnetic field modulating type concentric magnetic gear transmission device in Halbach magnet structure |
| EP2733387A1 (en) * | 2011-07-15 | 2014-05-21 | Hitachi Metals, Ltd. | Magnetic gear device |
| CN102969812A (en) * | 2012-12-14 | 2013-03-13 | 哈尔滨工业大学 | Modulation ring rotor based on magnetic shielding principle |
| DE102014119266A1 (en) * | 2014-11-24 | 2016-05-25 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Magnetic gear device |
| CN106452002A (en) * | 2016-11-08 | 2017-02-22 | 大连交通大学 | Concentric permanent magnetic gear magnetism regulation ring device and production method thereof |
| CN106787607A (en) * | 2017-01-24 | 2017-05-31 | 东南大学 | The magnetic field modulation type magnetic gear of variable gear ratio |
| CN206807260U (en) * | 2017-06-01 | 2017-12-26 | 三峡大学 | A kind of New Magnetic Field Controlled geared system |
| CN208257644U (en) * | 2018-05-02 | 2018-12-18 | 盐城哈力动力传动及智能装备产业研究院有限公司 | A kind of magnetic gear structure can be improved production efficiency |
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