CN204906034U - Neodymium iron boron permanent magnet magneto external rotor - Google Patents
Neodymium iron boron permanent magnet magneto external rotor Download PDFInfo
- Publication number
- CN204906034U CN204906034U CN201520527176.2U CN201520527176U CN204906034U CN 204906034 U CN204906034 U CN 204906034U CN 201520527176 U CN201520527176 U CN 201520527176U CN 204906034 U CN204906034 U CN 204906034U
- Authority
- CN
- China
- Prior art keywords
- magnet piece
- boron permanent
- permanent magnet
- magnet
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a neodymium iron boron permanent magnet magneto external rotor, its casing is the ring shape, the fixed plate sets up in one side of this casing, the fixed plate passes through the gusset and is connected as an organic wholely with the inboard of casing, still be provided with polylith neodymium iron boron permanent magnet on the medial surface of casing, its characteristics are that neodymium iron boron permanent magnet includes first magnet piece and second magnet piece, its both ends are equipped with the non ferromagnetic fixed block respectively, the non ferromagnetic fixed block is through running through in the non - magnetic conduction fix with screw of casing on the casing, the continuous direction of both ends magnetic pole of first magnet piece, to rotate the plane perpendicular with the rotor for it, the opposite interior directional first magnet piece of magnetic pole of second magnet piece, its both ends magnetic pole line direction is perpendicular with rotor the central axis. It has adopted permanent magnetism magnetic structure first, that the second magnet piece combines, has enlarged the intensity of overflow tank around the first magnet piece, has improved neodymium iron boron permanent magnet's magnetic property, and under the same magnet volume, it can obtain the more magnetic field intensity of high strength.
Description
Technical field
The utility model relates to a kind of external rotor for Rb-Fe-B magneto.
Background technology
The magneto alternator at present domestic and international motorcycle used, generally affect engine performance, there is firing energy deficiency, difficulty in starting, travel unable, fuel consumption is large, serious carbon deposit between sparking-plug electrode, the critical defect of night light luminance shortage, therefore, Chinese patent 92226441.4 discloses a kind of external rotor for Rb-Fe-B magneto, its housing is circular, on the medial surface of annulus, bonding has 4 pieces of arc-shaped neodymium-iron-boron permanent magnets respectively, the two ends of every block neodymium-iron-boron permanent magnet have non-magnetic fixed pole spline block respectively, it makes motorcycle engine performance greatly improve, firing energy is sufficient, be easy to start, fuel consumption obviously reduces, carbon deposit between sparking-plug electrode is greatly reduced, night illumination degree increases.This application people studies and finds by designing the arrangement of neodymium-iron-boron permanent magnet, its performance can be made to promote further.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of change neodymium-iron-boron permanent magnet arrangement, makes it under identical magnet volume, can obtain high degree of magnetic field intensity, promote a kind of external rotor for Rb-Fe-B magneto of its performance further.
For achieving the above object, the technical solution of the utility model is:
A kind of external rotor for Rb-Fe-B magneto, comprise housing, fixed head, gusset, this housing is toroidal, described fixed head is arranged at the side of this housing, fixed head is connected as one by the inner side of gusset and housing, the medial surface of described housing is also provided with polylith neodymium-iron-boron permanent magnet, it is characterized in that: described neodymium-iron-boron permanent magnet comprises the first magnet piece and is relatively arranged on the second magnet piece of the first magnet piece both sides, described first magnet piece and described second magnet piece cross sectional shape, size is corresponding, its two ends are respectively equipped with nonferromagnetic fixed block, this nonferromagnetic fixed block is by being fixed on described housing through the non-magnetic screw of described housing, the continuous direction of two ends magnetic pole of described first magnet piece and this rotor center axis being parallel, itself and rotor turns plane orthogonal, relative interior sensing first magnet piece of magnetic pole of described second magnet piece, its magnetic pole line direction, two ends and rotor center axes normal.
Preferably, above-mentioned a kind of external rotor for Rb-Fe-B magneto, wherein said neodymium-iron-boron permanent magnet is 4.
Preferably, above-mentioned a kind of external rotor for Rb-Fe-B magneto, wherein said neodymium-iron-boron permanent magnet is evenly distributed along rotor circumference direction.
Preferably, above-mentioned a kind of external rotor for Rb-Fe-B magneto, wherein said neodymium-iron-boron permanent magnet is fan shape.
The utility model technique effect is mainly reflected in:
The permanent-magnetic circuit structure that first, second magnet piece combines is have employed in the utility model, expand the magnetic flux density around the first magnet piece, improve the magnetic property of neodymium-iron-boron permanent magnet, under identical magnet volume, it can obtain the magnetic field intensity of more high strength, and during use, firing energy is sufficient, be easy to start, fuel consumption obviously reduces, and carbon deposit between sparking-plug electrode is greatly reduced, and night illumination degree increases.
Accompanying drawing explanation
Fig. 1: the utility model structural representation;
Fig. 2: the utility model neodymium-iron-boron permanent magnet cross section structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, is easier to make technical solutions of the utility model understand and grasp.
As depicted in figs. 1 and 2, a kind of external rotor for Rb-Fe-B magneto, comprise housing 1, fixed head 7, gusset 8, this housing 1 is in toroidal, described fixed head 7 is arranged at the side of this housing 1, fixed head 7 is connected as one by the inner side of gusset 8 with housing 1, the medial surface of described housing 1 is also provided with polylith neodymium-iron-boron permanent magnet 3, wherein neodymium-iron-boron permanent magnet 3 comprises the first magnet piece 30 and is relatively arranged on the second magnet piece 31 of the first magnet piece 30 both sides, described first magnet piece 30 and described second magnet piece 31 cross sectional shape, size is corresponding, its two ends are respectively equipped with nonferromagnetic fixed block 2, this nonferromagnetic fixed block 2 is fixed on described housing 1 by the non-magnetic screw 4 through described housing, the continuous direction of two ends magnetic pole of described first magnet piece 30 and this rotor center axis being parallel, itself and rotor turns plane orthogonal, relative interior sensing first magnet piece 30 of magnetic pole of described second magnet piece 31, its magnetic pole line direction, two ends and rotor center axes normal.
Wherein said neodymium-iron-boron permanent magnet 3 is 4, and neodymium-iron-boron permanent magnet 3 is evenly distributed along rotor circumference direction, and in addition, neodymium-iron-boron permanent magnet 3 is in fan shape.
The utility model technique effect is mainly reflected in:
This technical scheme have employed the permanent-magnetic circuit structure that first, second magnet piece combines, expand the magnetic flux density around the first magnet piece, improve the magnetic property of neodymium-iron-boron permanent magnet, under identical magnet volume, it can obtain the magnetic field intensity of more high strength, and during use, firing energy is sufficient, be easy to start, fuel consumption obviously reduces, and carbon deposit between sparking-plug electrode is greatly reduced, and night illumination degree increases.
Below be only embody rule example of the present utility model, protection range of the present utility model is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within the utility model rights protection scope.
Claims (4)
1. an external rotor for Rb-Fe-B magneto, comprise housing, fixed head, gusset, this housing is toroidal, described fixed head is arranged at the side of this housing, fixed head is connected as one by the inner side of gusset and housing, the medial surface of described housing is also provided with polylith neodymium-iron-boron permanent magnet, it is characterized in that: described neodymium-iron-boron permanent magnet comprises the first magnet piece and is relatively arranged on the second magnet piece of the first magnet piece both sides, described first magnet piece and described second magnet piece cross sectional shape, size is corresponding, its two ends are respectively equipped with nonferromagnetic fixed block, this nonferromagnetic fixed block is by being fixed on described housing through the non-magnetic screw of described housing, the continuous direction of two ends magnetic pole of described first magnet piece and this rotor center axis being parallel, itself and rotor turns plane orthogonal, relative interior sensing first magnet piece of magnetic pole of described second magnet piece, its magnetic pole line direction, two ends and rotor center axes normal.
2. a kind of external rotor for Rb-Fe-B magneto according to claim 1, is characterized in that: described neodymium-iron-boron permanent magnet is 4.
3. a kind of external rotor for Rb-Fe-B magneto according to claim 2, is characterized in that: described neodymium-iron-boron permanent magnet is evenly distributed along rotor circumference direction.
4. a kind of external rotor for Rb-Fe-B magneto according to claim 1, is characterized in that: described neodymium-iron-boron permanent magnet is fan shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527176.2U CN204906034U (en) | 2015-07-20 | 2015-07-20 | Neodymium iron boron permanent magnet magneto external rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527176.2U CN204906034U (en) | 2015-07-20 | 2015-07-20 | Neodymium iron boron permanent magnet magneto external rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906034U true CN204906034U (en) | 2015-12-23 |
Family
ID=54928180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520527176.2U Expired - Fee Related CN204906034U (en) | 2015-07-20 | 2015-07-20 | Neodymium iron boron permanent magnet magneto external rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204906034U (en) |
-
2015
- 2015-07-20 CN CN201520527176.2U patent/CN204906034U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20170720 |