CN206323223U - Permanent magnet with chamfering structure - Google Patents
Permanent magnet with chamfering structure Download PDFInfo
- Publication number
- CN206323223U CN206323223U CN201621406688.4U CN201621406688U CN206323223U CN 206323223 U CN206323223 U CN 206323223U CN 201621406688 U CN201621406688 U CN 201621406688U CN 206323223 U CN206323223 U CN 206323223U
- Authority
- CN
- China
- Prior art keywords
- permanent
- chamfering
- magnet body
- magnet
- tangent plane
- 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
Links
- 230000004907 flux Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Abstract
The utility model discloses a kind of permanent magnet with chamfering structure, and the permanent magnet includes a permanent-magnet body；The permanent-magnet body has a top and a bottom, two the first symmetrical chamferings are formed with the top of the permanent-magnet body, the bottom of the permanent-magnet body is formed with two the second symmetrical chamferings, and each first chamfering is corresponding with each second chamfering；By the first chamfering and the second chamfering symmetrical on the permanent-magnet body, the permanent-magnet body is set to be able to maintain that stable magnetic flux during use.
Description
Technical field
The utility model is related to a kind of magnet, more particularly to it is a kind of apply in motor rotor there is chamfering structure forever
Long magnet.
Background technology
With the fast development of motor so that the motor for having numerous species on the market is peddled, such as d.c. motor, syncmotor
Deng, include in known motor and be provided with a rotor core, the rotor core multigroup magnet groove group, and around rotor iron
Permanent magnet can be equiped with the interval setting in a radial manner of core, the rotor core, with needed for providing required revolution
Magnetic field.
Permanent magnet of the prior art is as shown in figure 5, the permanent magnet 90 is in the structure of cuboid, and sets up separately
In the magnet groove group of the rotor core, the material price of current permanent magnet 90 is higher, in order to lift the rotor core
Effective utilization, and provided with multigroup magnet groove group, the quantity of required permanent magnet 90 will increase so that production motor into
This increase, if reducing the volume of the permanent magnet 90 in order to reduce cost, so that the material of the permanent magnet 90 is used
Amount reduction, still, the magnetic flux of the permanent magnet 90 can be caused again to be reduced, and in turn results in the efficiency reduction of rotor core.
In the prior art such as Chinese CN102223039B patents (hereinafter referred to as preceding case), a kind of motor and forever is disclosed
Long magnet, its motor comprising permanent magnet and is related to used permanent magnet, will make to optimize the permanent magnet
It is circular arc that the design of its upper surface, which has been held together, to reduce cogging torque and torque ripple, although preceding case can effectively reduce cogging torque
With torque ripple, but the structure of circular arc is designed as, the materials'use amount of permanent magnet can be increased, cause production cost to increase,
And the magnetic flux of permanent magnet when in use can also be affected, so there is space to be improved in prior art.
Utility model content
In view of the problems of above-mentioned prior art, the utility model is to provide a kind of permanent with chamfering structure
Magnet, makes permanent magnet be able to maintain that stable magnetic flux during use by chamfering structure.
To reach the technological means that above-mentioned purpose is taken, the foregoing permanent magnet with chamfering structure is made, it includes：
One permanent-magnet body, the permanent-magnet body has a top and a bottom, the permanent-magnet body
Top is formed with two the first symmetrical chamferings, and the bottom of the permanent-magnet body is formed with two the second symmetrical chamferings,
Each first chamfering is corresponding with each second chamfering.
In one embodiment, above-mentioned permanent-magnet body has two parallel a leading flanks and a trailing flank, wherein one
The position of individual first chamfering be between the top of the permanent-magnet body and the leading flank, another the first chamfering
Position is between the top of the permanent-magnet body and the trailing flank.
In one embodiment, the position of one of them the second chamfering be the bottom of the permanent-magnet body with it is described before
Between side, the position of another the second chamfering is between the bottom of the permanent-magnet body and the trailing flank.
In one embodiment, each first chamfering includes one first tangent plane respectively.
In one embodiment, each second chamfering includes one second tangent plane respectively.
In one embodiment, each first tangent plane is respectively a plane；Each second tangent plane is a plane.
In one embodiment, each first tangent plane forms an inner concave arc surface respectively；Each second tangent plane is recessed respectively
One inner concave arc surface.
In one embodiment, each first tangent plane forms an outer convex globoidal respectively；Each second tangent plane is formed outside one respectively
Convex globoidal.
By above-mentioned construction, symmetrical the first chamfering and the second chamfering is formed by the permanent-magnet body,
Make the magnetic flux that can maintain to stablize of the permanent-magnet body when in use；Further, since the permanent-magnet body is formed
Each first chamfering and each second chamfering, moreover it is possible to reduce the materials'use amount of the permanent-magnet body, with reduce it is described forever
The production cost of long magnet body.
Brief description of the drawings
Fig. 1 is the stereo appearance figure of the utility model preferred embodiment.
Fig. 2 is the side view of a chamfering structure of the utility model preferred embodiment.
Fig. 3 is the side view of another chamfering structure of the utility model preferred embodiment.
Fig. 4 is the side view of the another chamfering structure of the utility model preferred embodiment.
Fig. 5 is the stereo appearance figure of a known permanent magnet.
Embodiment
Coordinate accompanying drawing and preferred embodiment of the present utility model below, it is predetermined real to reach that the utility model is expanded on further
The technological means taken with new purpose.
There is the first preferred embodiment of the permanent magnet of chamfering structure on the utility model, Fig. 1 is referred to, shown in 2,
It includes a permanent-magnet body 10.
It is in cuboid that the permanent-magnet body 10, which is, and is had before a top, a bottom and two parallel one
Sideways 11 and a trailing flank 12, the top of the permanent-magnet body 10 is formed with two the first symmetrical chamferings 13, it is described forever
The bottom of long magnet body 10 is formed with two the second symmetrical chamferings 14, each second chamfering of each first chamfering 13 correspondence
14, in the present embodiment, the position of one of them the first chamfering 13 be the top of the permanent-magnet body 10 with it is described before
Sideways between 11, the position of another the first chamfering 13 is at the top of the permanent-magnet body 10 and the trailing flank 12
Between, the position of one of them the second chamfering 14 be between the bottom of the permanent-magnet body 10 and the leading flank 11,
The position of another the second chamfering 14 be between the bottom of the permanent-magnet body 10 and the trailing flank 12, it is described forever
The long top of magnet body 10 and the corresponding bottom of permanent-magnet body 10 of the first chamfering 13 on the leading flank 11 with it is described
The second chamfering 14 on leading flank 11, the top of permanent-magnet body 10 is corresponding with the first chamfering 13 on the trailing flank 12
The bottom of permanent-magnet body 10 and the second chamfering 14 on the trailing flank 12.
In the present embodiment, the top of the permanent-magnet body 10 has a top surface, the bottom of the permanent-magnet body 10
Portion has a bottom surface, the first chamfering 13 between the top of the permanent-magnet body 10 and the leading flank 11, be by it is described forever
Top surface, one first tangent plane 131 and the leading flank 11 of long magnet body 10 are constituted, the top of permanent-magnet body 10 with
The first chamfering 13 between the trailing flank 12, is the top surface, another first tangent plane 131 and institute by the permanent-magnet body 10
State trailing flank 12 to be constituted, in the present embodiment, each first tangent plane 131 is respectively a plane.
In the present embodiment, the second chamfering 14 between the bottom of permanent-magnet body 10 and the leading flank 11, be by
The bottom surface of the permanent-magnet body 10, one second tangent plane 141 and the leading flank 11 are constituted, the permanent-magnet body 10
The second chamfering 14 between bottom and the trailing flank 12, is bottom surface by the permanent-magnet body 10, another second tangent plane
141 and the trailing flank 12 constituted, in the present embodiment, each second tangent plane 141 be respectively a plane.
On another structure of each first tangent plane 131 and each the second tangent plane 141, refer to shown in Fig. 3, each
One tangent plane 131 forms an inner concave arc surface respectively, and each second tangent plane 141 forms an inner concave arc surface respectively.
On another structure of each first tangent plane 131 and each the second tangent plane 141, refer to shown in Fig. 4, each
One tangent plane 131 forms an outer convex globoidal respectively, and each second tangent plane 141 forms an outer convex globoidal respectively.
Based on said structure, symmetrical first is respectively formed with by the top and bottom of the permanent-magnet body 10
Chamfering 13 and the second symmetrical chamfering 14, to reduce the materials'use amount of the permanent-magnet body 10, and make it is described forever
Long 10 magnetic flux when in use of magnet body will not be reduced, and have stable effective utilization while thereby reaching and reduce cost concurrently
Purpose.
The above is only preferred embodiment of the present utility model, not does any formal to the utility model
Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, it is any to be familiar with
Professional and technical personnel, in the range of technical solutions of the utility model are not departed from, when in the technology using the disclosure above
Hold the Equivalent embodiments made a little change or be modified to equivalent variations, as long as without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and the modification made according to technical spirit of the present utility model to above example, still
Belong in the range of technical solutions of the utility model.
Claims (8)
1. a kind of permanent magnet with chamfering structure, it is characterised in that the permanent magnet, it includes：
One permanent-magnet body, the permanent-magnet body has a top and a bottom, the top of the permanent-magnet body
Two the first symmetrical chamferings are formed with, the bottom of the permanent-magnet body is formed with two the second symmetrical chamferings, each
First chamfering is corresponding with each second chamfering.
2. the permanent magnet according to claim 1 with chamfering structure, it is characterised in that the permanent-magnet body tool
There are two parallel a leading flanks and a trailing flank, the position of one of them the first chamfering is on the top of the permanent-magnet body
Between portion and the leading flank, the position of another the first chamfering is at the top of the permanent-magnet body and the rear side
Between face.
3. the permanent magnet according to claim 2 with chamfering structure, it is characterised in that one of them the second chamfering
Position is that between the bottom of the permanent-magnet body and the leading flank, the position of another the second chamfering is described
Between the bottom of permanent-magnet body and the trailing flank.
4. the permanent magnet according to claim 3 with chamfering structure, it is characterised in that each first chamfering is wrapped respectively
Include one first tangent plane.
5. the permanent magnet according to claim 4 with chamfering structure, it is characterised in that each second chamfering is wrapped respectively
Include one second tangent plane.
6. the permanent magnet according to claim 5 with chamfering structure, it is characterised in that each first tangent plane is respectively
One plane；Each second tangent plane is a plane.
7. the permanent magnet according to claim 5 with chamfering structure, it is characterised in that each first tangent plane distinguishes shape
Into an inner concave arc surface；Each second tangent plane is recessed an inner concave arc surface respectively.
8. the permanent magnet according to claim 5 with chamfering structure, it is characterised in that each first tangent plane distinguishes shape
Into an outer convex globoidal；Each second tangent plane forms an outer convex globoidal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406688.4U CN206323223U (en) | 2016-12-20 | 2016-12-20 | Permanent magnet with chamfering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406688.4U CN206323223U (en) | 2016-12-20 | 2016-12-20 | Permanent magnet with chamfering structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206323223U true CN206323223U (en) | 2017-07-11 |
Family
ID=59258710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621406688.4U Expired - Fee Related CN206323223U (en) | 2016-12-20 | 2016-12-20 | Permanent magnet with chamfering structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206323223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404350A (en) * | 2020-02-19 | 2020-07-10 | 哈尔滨工业大学 | Non-equal-height two-dimensional chamfering Halbach permanent magnet array suitable for planar motor |
| CN112368919A (en) * | 2018-06-29 | 2021-02-12 | Abb瑞士股份有限公司 | Induction motor |
-
2016
- 2016-12-20 CN CN201621406688.4U patent/CN206323223U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112368919A (en) * | 2018-06-29 | 2021-02-12 | Abb瑞士股份有限公司 | Induction motor |
| CN111404350A (en) * | 2020-02-19 | 2020-07-10 | 哈尔滨工业大学 | Non-equal-height two-dimensional chamfering Halbach permanent magnet array suitable for planar motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170711 |