CN103219817A - Rotor magnetic material fixing mechanism - Google Patents
Rotor magnetic material fixing mechanism Download PDFInfo
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- CN103219817A CN103219817A CN2012100169716A CN201210016971A CN103219817A CN 103219817 A CN103219817 A CN 103219817A CN 2012100169716 A CN2012100169716 A CN 2012100169716A CN 201210016971 A CN201210016971 A CN 201210016971A CN 103219817 A CN103219817 A CN 103219817A
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Abstract
The invention provides a rotor magnetic material fixing mechanism. The rotor magnetic material fixing mechanism comprises a magnetic base body, central shafts, a plurality of metal non-conductive magnet material fixing bodies and a plurality of magnetic bodies. A plurality of silicon steel sheets are arranged on the magnetic base body. Penetrating holes and a plurality of positioning fixed grooves are formed in the centers and the edges of the silicon steel sheets. The central shafts are fixed in the penetrating holes in a penetrating mode. One sides of the plurality of metal non-conductive magnet material fixing bodies are fixed in the plurality of positioning fixed grooves in a clamping mode. The outer side edges of the plurality of magnetic bodies and the other sides of the plurality of metal non-conductive magnet material fixing bodies are connected in a clamping mode, and the inner side surfaces of the plurality of magnetic bodies are arranged on the outer side surfaces of the magnetic bodies in an appressed mode. Due to the fact that the magnetic bodies are fixed through the metal non-conductive magnet material fixing bodies, magnetic flux leakage among the magnetic bodies is prevented. Due to the fact that the magnetic bodies are fixed on the metal non-conductive magnet material fixing bodies in a clamping mode, combining stability between devices is increased, and the effects of reducing the magnet flux leakage among the magnetic bodies and structural stability are achieved.
Description
Technical field
The present invention relates to a kind of rotor magnetic material fixed mechanism, specifically, the present invention relates to a kind of rotor magnetic material fixed mechanism that is applied to the affiliated technical field of brushless motor rotor structure.
Background technology
Extremely shown in Figure 10 by at present known rotor structure such as Fig. 7, form rotor 60 for the silicon steel sheet 61 of stacking setting being combined with magnet iron piece 62 with the adhesive agent adhesive means, in addition, also have and be respectively arranged with several dovetail groove seats 610 at the edge of each silicon steel sheet 61, these several silicon steel sheets 61 are relative with set dovetail groove seat 610, and make several silicon steel sheet 61 stacking settings, both sides with magnet iron piece 62 are fastened in the dovetail groove seat 610 again, stacking silicon steel sheet 61 is firmly combined with magnet iron piece 62, but there is following point in it: 1, easily produce leakage field: the stacking setting of several silicon steel sheets, both sides with magnet iron piece are fastened in the dovetail groove seat again, stacking silicon steel sheet is combined with magnet iron piece, easily produce leakage field between several magnet iron pieces of the dovetail groove seat blocking of silicon steel sheet; 2, structural stability is poor: with the adhesive agent adhesive means silicon steel sheet of stacking setting is combined with magnet iron piece and form rotor, easily generation flies off when rotor high-speed turn round, so its structural stability is poor.
Summary of the invention
In order to solve the problem that the known rotor structure easily produces leakage field and structural stability difference, the invention provides a kind of rotor magnetic material fixed mechanism.
Main purpose of the present invention is to provide a kind of rotor magnetic material fixed mechanism, described rotor magnetic material fixed mechanism comprises: a magnetic matrix, described magnetic matrix is provided with several silicon steel lamellar bodies, described silicon steel lamellar body central authorities are provided with one and pierce the hole, described silicon steel lamellar body edge is respectively arranged with several positioning and fixing grooves, and described several silicon steel lamellar bodies pierce hole and stacking secure bond relative with described positioning and fixing groove; One axis, described axis pierce and are fixed on set described the piercing in the hole of several stacking silicon steel lamellar bodies of described magnetic matrix; The non-magnetic conduction material of several metals fixed body, a side blocking of the non-magnetic conduction material of described several metals fixed body are fixed in several set positioning and fixing grooves of several stacking silicon steel lamellar bodies of described magnetic matrix; And several magnetics, the opposite side blocking of the outer ledge of described several magnetics and the non-magnetic conduction material of described several metals fixed body, and the medial surface of described several magnetics is close to the lateral surface that is arranged on described magnetic matrix.
Preferably, several set positioning and fixing grooves of the silicon steel lamellar body edge of described magnetic matrix are the T font that inwardly concaves, the non-magnetic conduction material of described metal fixed body is I-shaped, a described side blocking that is the non-magnetic conduction material of I-shaped several metals fixed body is fixed in several positioning and fixing grooves of the described T of being font, and the described opposite side that is the non-magnetic conduction material of I-shaped several metals fixed body is fastened on the outer ledge of described several magnetics.
Preferably, be respectively arranged with one between described magnetic matrix and described several magnetics and stick together body.
Therefore, the present invention is by the non-magnetic conduction material of described metal fixed body blocking fixed magnetic body, make the magnetic inboard be close to the lateral surface of described magnetic matrix, prevent to produce between magnetic leakage field, and can increase the stability of combination between device, reach and reduce leakage field and the good effect of structural stability between magnetic.
Description of drawings
Fig. 1 is a three-dimensional assembled state schematic diagram of the present invention;
Fig. 2 is a three-dimensional exploded view of the present invention;
Fig. 3 is the view of overlooking of the present invention;
Fig. 4 is another angle stereoscopic-state schematic diagram of the present invention;
Fig. 5 is a magnetic current analysis chart of the present invention;
Fig. 6 sticks together the body state reference map for being provided with between embodiments of the invention magnetic matrix and magnetic;
Fig. 7 is the of the present invention first conventional state reference map;
Fig. 8 is the of the present invention first conventional state magnetic current analysis chart;
Fig. 9 is the of the present invention second conventional state reference map;
Figure 10 is the of the present invention second conventional state magnetic current analysis chart.
Description of reference numerals is as follows:
Embodiment
For making your juror can further understand structure of the present invention, feature and other purpose, now be described in detail as follows with accompanying drawing in conjunction with appended preferred embodiment is attached, the illustrated embodiment of this accompanying drawing only is used to technical scheme of the present invention is described, and non-limiting the present invention.
Please cooperate and consult Fig. 1 to Fig. 4, be respectively rotor magnetic material fixed mechanism of the present invention solid combination, exploded, overlook and another angle stereoscopic-state schematic diagram.
Described rotor magnetic material fixed mechanism comprises: magnetic matrix 10, magnetic matrix 10 is provided with several silicon steel lamellar bodies 11, and being provided with one, these silicon steel lamellar body 11 central authorities pierce hole 110, and the edge of silicon steel lamellar body 11 is respectively arranged with several positioning and fixing grooves 111, these several positioning and fixing grooves 111 are the similar T font that inwardly concaves, and several silicon steel lamellar bodies 11 pierce hole 110 and positioning and fixing groove 111 relative and stacking secure bond; One axis 20, this axis 20 pierce and are fixed on stacking several silicon steel lamellar bodies 11 set the piercing in the hole 110 of magnetic matrix 10; The non-magnetic conduction material of several metals fixed body 30, the non-magnetic conduction material of this metal fixed body 30 is similar I-shaped, and its side blocking that is the non-magnetic conduction material of similar I-shaped several metals fixed body 30 is fixed in the several positioning and fixing grooves 111 that are similar T font; And several magnetics 40, the outer ledge of these several magnetics 40 and the opposite side blocking that is the non-magnetic conduction material of similar I-shaped several metals fixed body 30, and the medial surface of number magnetic 40 is close to the lateral surface that is arranged on magnetic matrix 10.
By the cooperation of said structure, finish rotor magnetic material fixed mechanism of the present invention.
Please cooperate and consult Fig. 3 to Fig. 5, be respectively overlooking of rotor magnetic material fixed mechanism of the present invention, another angle stereoscopic-state and magnetic current analysis chart, its axis 20 pierces and is fixed on several stacking silicon steel lamellar body 11 set piercing in the hole 110 of magnetic matrix 10, a side blocking that is the non-magnetic conduction material of similar I-shaped several metals fixed body 30 is fixed in several positioning and fixing grooves 111 that are similar T font, and the opposite side that is the non-magnetic conduction material of similar I-shaped several metals fixed body 30 is fastened in the outer ledge of several magnetics 40, the medial surface of several magnetics 40 is close to the lateral surface that is arranged on magnetic matrix 10, by the non-magnetic conduction material of metal fixed body 30 blocking fixed magnetic bodies 40, make magnetic 40 inboards be close to the lateral surface of magnetic matrix 10, do the time spent at rotor with respect to stator, prevent that 40 of magnetics from producing leakage field, and can increase the stability of combination between device, to reach the low and good effect of structural stability of leakage field generation property.
Please cooperate and consult Fig. 6, stick together the body state reference map for being provided with between the embodiment magnetic matrix of rotor magnetic material fixed mechanism of the present invention and magnetic, its overall structure is identical with Fig. 1 to Fig. 4 of the present invention, just it is to be provided with at magnetic matrix 10 and 40 of magnetics to stick together body 50, be fixed in several positioning and fixing grooves 111 that are similar T font in a side blocking that is the non-magnetic conduction material of similar I-shaped several metals fixed body 30, and when being the lateral border of several magnetics 40 of opposite side blocking of the non-magnetic conduction material of similar I-shaped several metals fixed body 30, provide magnetic matrix 10 and magnetic 40 auxiliary adhesions, to increase multiple practicality of the present invention.
Therefore, beneficial effect of the present invention is as follows: 1, magnetic loss and magnetic leakage generation property is low: the non-magnetic conduction material of metal fixed body blocking fixed magnetic body, make the magnetic inboard be close to the lateral surface of magnetic matrix, do the time spent at rotor with respect to stator, prevent to produce between magnetic leakage field, so its leakage field generation property is low; 2, structural stability is good: a side that is the non-magnetic conduction material of similar I-shaped several metals fixed body, blocking is fixed in several positioning and fixing grooves that are similar T font, and the outer ledge that is several magnetics of opposite side blocking of the non-magnetic conduction material of similar I-shaped several metals fixed body, make that several magnetics and magnetic matrix are firm to be combined, so its structural stability is good.
What need statement is that foregoing invention content and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the qualification to protection range of the present invention.Those skilled in the art are in spirit of the present invention and principle, when doing various modifications, being equal to and replacing or improve.Protection scope of the present invention is as the criterion with appended claims.
Claims (3)
1. a rotor magnetic material fixed mechanism is characterized in that, described rotor magnetic material fixed mechanism comprises:
One magnetic matrix, described magnetic matrix is provided with several silicon steel lamellar bodies, described silicon steel lamellar body central authorities are provided with one and pierce the hole, described silicon steel lamellar body edge is respectively arranged with several positioning and fixing grooves, and described several silicon steel lamellar bodies pierce hole and stacking secure bond relative with described positioning and fixing groove;
One axis, described axis pierce and are fixed on set described the piercing in the hole of several stacking silicon steel lamellar bodies of described magnetic matrix;
The non-magnetic conduction material of several metals fixed body, a side blocking of the non-magnetic conduction material of described several metals fixed body are fixed in several set positioning and fixing grooves of several stacking silicon steel lamellar bodies of described magnetic matrix; And
Several magnetics, the opposite side blocking of the outer ledge of described several magnetics and the non-magnetic conduction material of described several metals fixed body, and the medial surface of described several magnetics is close to the lateral surface that is arranged on described magnetic matrix.
2. rotor magnetic material fixed mechanism as claimed in claim 1, it is characterized in that, several set positioning and fixing grooves of the silicon steel lamellar body edge of described magnetic matrix are the T font that inwardly concaves, the non-magnetic conduction material of described metal fixed body is I-shaped, a described side blocking that is the non-magnetic conduction material of I-shaped several metals fixed body is fixed in several positioning and fixing grooves of the described T of being font, and the described opposite side that is the non-magnetic conduction material of I-shaped several metals fixed body is fastened on the outer ledge of described several magnetics.
3. rotor magnetic material fixed mechanism as claimed in claim 1 is characterized in that, is respectively arranged with one between described magnetic matrix and described several magnetics and sticks together body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100169716A CN103219817A (en) | 2012-01-19 | 2012-01-19 | Rotor magnetic material fixing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100169716A CN103219817A (en) | 2012-01-19 | 2012-01-19 | Rotor magnetic material fixing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103219817A true CN103219817A (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100169716A Pending CN103219817A (en) | 2012-01-19 | 2012-01-19 | Rotor magnetic material fixing mechanism |
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| CN (1) | CN103219817A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1985424A (en) * | 2004-07-16 | 2007-06-20 | 株式会社美姿把 | Magnet fixing structure for electric rotating machine |
| JP2011067057A (en) * | 2009-09-18 | 2011-03-31 | Mitsuba Corp | Brushless motor |
| CN201966772U (en) * | 2011-01-14 | 2011-09-07 | 北京运通恒昌驱动技术有限公司 | Double-fixed-connection type rotor of DC brushless motor |
| CN102308456A (en) * | 2009-02-09 | 2012-01-04 | 株式会社捷太格特 | Electric motor and rotor |
-
2012
- 2012-01-19 CN CN2012100169716A patent/CN103219817A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1985424A (en) * | 2004-07-16 | 2007-06-20 | 株式会社美姿把 | Magnet fixing structure for electric rotating machine |
| CN102308456A (en) * | 2009-02-09 | 2012-01-04 | 株式会社捷太格特 | Electric motor and rotor |
| JP2011067057A (en) * | 2009-09-18 | 2011-03-31 | Mitsuba Corp | Brushless motor |
| CN201966772U (en) * | 2011-01-14 | 2011-09-07 | 北京运通恒昌驱动技术有限公司 | Double-fixed-connection type rotor of DC brushless motor |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130724 |