CN207265762U - Rotor and magneto - Google Patents
Rotor and magneto Download PDFInfo
- Publication number
- CN207265762U CN207265762U CN201721357161.1U CN201721357161U CN207265762U CN 207265762 U CN207265762 U CN 207265762U CN 201721357161 U CN201721357161 U CN 201721357161U CN 207265762 U CN207265762 U CN 207265762U
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- rotor
- storage tank
- limiting slot
- rotor core
- magnet steel
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Abstract
The utility model discloses a kind of rotor and magneto, wherein, the rotor includes：Rotor core, equipped with multiple magnetic slots, the multiple magnetic slot being provided at circumferentially spaced along the rotor core, each magnetic slot includes storage tank and limiting slot, the storage tank is radially extended along the rotor core, one end of the limiting slot connects with the storage tank, and the extending direction of the limiting slot intersects with the extending direction of the storage tank；And multiple magnet steel, it is arranged at correspondingly in multiple magnetic slots, each magnet steel includes main part and limiting section, and the main part, which houses, to be fixed in the storage tank, and the limiting section, which houses, to be fixed in the limiting slot.Technical solutions of the utility model prevent centrifugal force caused by rotor high speed rotation outwards to fly off magnet steel and throw away, and also improve the stable connection of magnet steel and rotor core.
Description
Technical field
Motor field is the utility model is related to, more particularly to a kind of rotor and magneto.
Background technology
For magneto, the magnet steel on its rotor is permanent magnet, can be divided into table according to the modes of emplacement of magnet steel
Face formula and built-in motor, built-in motor can effectively improve Motor Capability, improve efficiency due to that can utilize reluctance torque,
And then it is widely used.However, for built-in motor, its magnet steel is positioned in magnetic slot, when rotor rotates at a high speed
Larger centrifugal force can be produced, there is the risk that magnet steel is outwards flown off and is thrown away so that fixation is not firm between magnet steel and rotor,
Easily loosen.
Utility model content
The main purpose of the utility model is to propose a kind of rotor, suitable for magneto, it is intended to prevent rotor height
Centrifugal force caused by speed rotation, which outwards flies off magnet steel, to be thrown away, and improves the stable connection of magnet steel and rotor core.
To achieve the above object, the utility model proposes rotor be used for magneto, which includes：
Rotor core, equipped with multiple magnetic slots, the multiple magnetic slot being provided at circumferentially spaced along the rotor core, often
One magnetic slot includes storage tank and limiting slot, and the storage tank is radially extended along the rotor core, the limiting slot
One end connect with the storage tank, the extending direction of the limiting slot intersects with the extending direction of the storage tank；And
Multiple magnet steel, are arranged in multiple magnetic slots correspondingly, and each magnet steel includes main part and limit
Position portion, the main part, which houses, to be fixed in the storage tank, and the limiting section, which houses, to be fixed in the limiting slot.
Preferably, the storage tank extends out to the outer circumferential surface of the rotor core.
Preferably, the main part is close to the end surface of the rotor core outer circumferential surface and the periphery of the rotor core
Face flush.
Preferably, one end that the limiting slot is connected with the storage tank is located at the medium position of the storage tank.
Preferably, the extending direction of the limiting slot and the extending direction of the storage tank are perpendicular.
Preferably, the extending direction of the limiting slot and the extending direction of the storage tank are inclined to set, and along institute
State on the direction radially of rotor core, the spacing of the limiting slot and the storage tank is in cumulative setting.
Preferably, the limiting slot is rectangular, semicircle or triangle is set.
Preferably, the both sides of the storage tank are respectively equipped with a limiting slot.
Preferably, two limiting slots are symmetrical set on the center line of the storage tank.
The utility model also proposes a kind of magneto, including motor stator and rotor, the rotor rotation
Ground is arranged in the motor stator, and the rotor includes：
Rotor core, equipped with multiple magnetic slots, the multiple magnetic slot being provided at circumferentially spaced along the rotor core, often
One magnetic slot includes storage tank and limiting slot, and the storage tank is radially extended along the rotor core, the limiting slot
One end connect with the storage tank, the extending direction of the limiting slot intersects with the extending direction of the storage tank；And
Multiple magnet steel, are arranged in multiple magnetic slots correspondingly, and each magnet steel includes main part and limit
Position portion, the main part, which houses, to be fixed in the storage tank, and the limiting section, which houses, to be fixed in the limiting slot.
Technical solutions of the utility model form magnetic slot by using storage tank and limiting slot is opened up on rotor core,
Storage tank is radially extended along rotor core, and one end and the storage tank of limiting slot connect, and the extending direction of limiting slot is with housing
The extending direction of groove intersects, and the main part of magnet steel is arranged in storage tank, and the limiting section of magnet steel is arranged in limiting slot,
The main part of magnet steel when being moved radially outward, certainly exists limiting section of the storage tank to magnet steel in storage tank along rotor core
Restriction effect so that magnet steel main part is securely limited in storage tank, and then effectively prevents magnet steel along rotor core
Radially outward fly off and throw away.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of one embodiment of rotor core of the utility model rotor；
Fig. 2 is the structure diagram of another embodiment of rotor core of the utility model rotor；
Fig. 3 is the structure diagram of an embodiment of the magnet steel in the utility model magneto；
Fig. 4 is the structure diagram of another embodiment of the magnet steel in the utility model magneto；
Fig. 5 is the structure diagram of the another embodiment of rotor core of the utility model rotor；
Fig. 6 is the structure diagram of the magnet steel of rotor in Fig. 5.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Rotor | 120 | Limiting slot |
| 10 | Rotor core | 20 | Magnet steel |
| 100 | Magnetic slot | 210 | Main part |
| 110 | Storage tank | 220 | Limiting section |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of rotor, suitable for magneto.The magneto is mainly permanent magnet synchronous electric
Built-in motor in machine.
In one embodiment of the utility model, referring to figs. 1 to Fig. 2, which includes：
Rotor core 10, equipped with multiple magnetic slots 100, circumferential direction of multiple magnetic slots 100 along the rotor core 10
It is arranged at intervals, each magnetic slot 100 includes storage tank 110 and limiting slot 120, and the storage tank 110 is along the rotor iron
Core 10 radially extends, and one end of the limiting slot 120 connects with the storage tank 110, the extension side of the limiting slot 120
Intersect to the extending direction with the storage tank 110；And
Multiple magnet steel 20, are arranged in multiple magnetic slots 100 correspondingly, and each magnet steel 20 includes main body
Portion 210 and limiting section 220, the main part 210 is accommodating to be fixed in the storage tank 110, and the limiting section 220 is accommodating to be fixed
In in the limiting slot 120.
Specifically, in magneto, what rotor core 10 was typically laminated by multiple silicon steel punchings, rotor core
10 center offers shaft hole, and rotor core 10 is equipped with multiple magnetic slots 100, and each magnetic slot 100 is along rotor core
10 both ends for axially penetrating through rotor core 10, multiple magnetic slots 100 are along the circumferentially disposed of rotor core 10.In order to ensure motor
Stress equalization of the rotor 1 when rotating, it is necessary to assure being uniformly distributed on rotor core 10 of magnet steel 20, then the plurality of magnetic slot
100 are evenly distributed along the circumferential direction of rotor core 10.It should be noted that in the present embodiment, magnet steel 20 can use ferrite magnetic
Iron material is made, and compare rare-earth permanent magnet magnet steel, its Costco Wholesale is relatively low, advantageously reduces the manufacture cost of magneto.
In the rotation process of rotor 1, high-speed rotating rotor 1 produces larger centrifugal force, usual magnet steel
20 density of material is more than the density of material of rotor core 10, and under the influence of centrifugal force, magnet steel 20 exists out of magnetic slot 100
Outwards fly off the risk thrown away.In order to improve the stable connection of magnet steel 20 and rotor core 10, in the present embodiment, each magnet steel
Groove 100 includes storage tank 110 and limiting slot 120, and storage tank 110 is radially extended along rotor core 10, one end of limiting slot 120
Connect with storage tank 110, the extending direction of limiting slot 120 intersects with the extending direction of storage tank 110；Each magnet steel 20 includes
Main part 210 and limiting section 220, main part 210 is accommodating to be fixed in storage tank 110, and limiting section 220 is accommodating to be fixed on limiting slot
In 120.The limiting section 220 and main part 210 of each magnet steel 20 are integrated setting, between limiting section 220 and main part 210
Structure is firm, and the extending direction of limiting slot 120 intersects with the extending direction of storage tank 110, and then the main part 210 of magnet steel 20 exists
In storage tank 110 when being moved radially outward, limiting section 220 of the storage tank 110 to magnet steel 20 is certainly existed along rotor core 10
Restriction effect so that 20 main part 210 of magnet steel is securely limited in storage tank 110, and then effectively prevents magnet steel 20
Thrown away along radially outward flying off for rotor core 10.It should be noted that the extending direction of storage tank 110 is rotor core 10
Radially, the extending direction of limiting slot 120 can be perpendicular to the direction of 10 radial direction of rotor core, or favour rotor core 10
The direction of radial direction.
It is understood that the shape size of limiting section 220 is adapted with limiting slot 120, limiting section 220 can be embedded fixation
In in limiting slot 120；The shape size of main part 210 is adapted with storage tank 110, main part 210 can be embedded be fixed on it is accommodating
In groove 110, and then to improve stable connection of the magnet steel 20 in magnetic slot 100.
It is worth noting that, at some in the prior art, when magnet steel 20 is arranged in magnetic slot 100, leaned in magnetic slot 100
One end of the outer rim of nearly rotor core 10 is generally filled with finite place piece, which is often filled in magnetic in a manner of injection molding
In steel tank 100, the moving radially along rotor core 10 of magnet steel 20 is prevented by locating part, in this way, since locating part occupies
The space of magnetic slot 100, necessarily causes the length of magnet steel 20 to reduce, and then influences the magnetic property of rotor 1 so that magneto
Hydraulic performance decline.And in the present embodiment, magnet steel 20 is limited along rotor core 10 by the cooperation of limiting section 220 and limiting slot 120
Move radially, it is not necessary to extra padding locating part is spacing to be carried out to magnet steel 20 again, so that magnet steel 20 is in magnetic slot 100
Interior length is unaffected, improves the magnetic property of rotor 1, also improves the performance of magneto；Simultaneously as in the present embodiment
Magnet steel 20 is not required locating part spacing to carry out, and also saves injected plastics material, reduces the injection molding in 1 production process of rotor
Process, greatly improves production efficiency.
Technical solutions of the utility model on rotor core 10 by using opening up storage tank 110 and limiting slot 120 carrys out shape
Into magnetic slot 100, storage tank 110 is radially extended along rotor core 10, and one end and the storage tank 110 of limiting slot 120 connect,
The extending direction of limiting slot 120 intersects with the extending direction of storage tank 110, and the main part 210 of magnet steel 20 is arranged at accommodating
In groove 110, the limiting section 220 of magnet steel 20 is arranged in limiting slot 120, the main part 210 of magnet steel 20 edge in storage tank 110
When being moved radially outward of rotor core 10, certainly exists restriction effect of the storage tank 110 to the limiting section 220 of magnet steel 20, makes
Obtain 20 main part 210 of magnet steel to be securely limited in storage tank 110, and then effectively prevent magnet steel 20 along rotor core 10
Radially outward fly off and throw away.
Under normal circumstances, its magnetic slot 100 is usually arranged as enclosed slot, and then with the outer circumferential surface close to rotor core 10
Position limitation magnet steel 20 movement, consequently, it is possible on the one hand correspond to the part shape of magnet steel 20 in the outer circumferential surface of rotor core 10
Into magnetic field path, in turn result in rotor core 10 occur leakage field phenomenon, seriously affect efficiently using for magnetic property；The opposing party
Face, since magnetic slot 100 is enclosed slot, for the intensity that magnetic slot 100 divides the limiting section 220 of magnet steel 20, magnetic slot 100 with
There is certain interval between 10 outer circumferential surface of rotor core, so cause magnet steel 20 rotor core 10 length radially by
To limitation, the magnetic property of rotor 1 is caused to decline so that the motor performance of magneto declines.The storage tank 110 is outside
Extend to the outer circumferential surface of the rotor core 10.
And in the present embodiment, magnetic slot 100 includes limiting slot 120 and storage tank 110, wherein playing fixed work to magnet steel 20
Limiting slot 120, when the limiting section 220 of magnet steel 20 be limited in limiting slot 120 can limit whole magnet steel 20 along turn
Sub- iron core 10 is moved radially outward.In order to reduce the leakage field of rotor 1, in the present embodiment, storage tank 110 extends out to
The outer circumferential surface of rotor core 10, i.e. storage tank 110 are connected with the outer circumferential surface of rotor core 10, are not present at this time on rotor core 10
Magnetic field path, and then the generation of leakage field phenomenon is prevented, effectively improve the utilization rate of magnetic energy.At the same time, it is necessary to illustrate, due to
Storage tank 110 is connected with the outer circumferential surface of rotor core 10 so that what the length of the main part 210 of magnet steel 20 can further be set
It is longer, and then strengthen the magnetic property of rotor 1 so that the performance of magneto obtains improvement by a relatively large margin.
Further, in the present embodiment, for magnet steel 20, its main part 210 is close to 10 outer circumferential surface of rotor core
Outer circumferential surface flush of the end surface preferably with rotor core 10, i.e., main part 210 close to 10 outer circumferential surface of rotor core one
The contour line of end surfaces is consistent with the contour line of the outer circumferential surface of rotor core 10.In this way, then so that the length of main part 210 is
Maximum, its magnetic property best results.
When limiting slot 120 is when opening up the axle center for being located proximate to rotor core 10, limiting slot 120 to open up region smaller,
The width of limiting slot 120 and development length are limited be subject to larger at this time so that limiting slot 120 and the cooperation of limiting section 220 are strong
Degree is weaker；When limiting slot 120 is when opening up the outer circumferential surface for being located proximate to rotor core 10, the intensity at 120 position of limiting slot compared with
It is weak, and then cause the structural strength of rotor core 10 poor, it be easy to cause impact failure of the magnet steel 20 to rotor core 10.In order to
Take into account limiting slot 120 and open up length and the structural strength of rotor core 10, one end position that limiting slot 120 is connected with storage tank 110
In the medium position of storage tank 110.
Further, referring to figs. 1 to Fig. 4, in a preferred embodiment, the extending direction of above-mentioned limiting slot 120 is with housing
The extending direction of groove 110 is perpendicular, and the limiting section 220 of magnet steel 20 is vertical setting with main part 210 at this time, when main part 210
When being moved along outside the radial direction phase of rotor core 10, it is subject to the restriction effect of limiting section 220, and then improve magnet steel 20 in rotor iron
Stable connection on core 10.
With reference to Fig. 5 and Fig. 6, in a further preferred embodiment, extending direction and the storage tank 110 of above-mentioned limiting slot 120
Extending direction is inclined to set, and on the direction radially along rotor core 10, limiting slot 120 and storage tank 110
Spacing is in cumulative setting.It is understood that when the limiting section 220 of magnet steel 20 is moved along outside the radial direction phase of rotor core 10,
With being displaced outwardly for magnet steel 20, limiting section 220 and the cooperation of limiting slot 120 are even closer, so that magnet steel 20 is in rotor
Fixed effect on iron core 10 is more preferably.
It is understood that the shape of above-mentioned limiting slot 120 has a variety of implementations, limiting section 220 and the limit of magnet steel 20
Position groove 120 is adapted, with reference to Fig. 2 to Fig. 4, the limiting slot 120 is rectangular, semicircle or triangle is set, at this time magnet steel 20
Limiting section 220 corresponds to rectangular, semicircle or triangle and sets, in order to reduce the production difficulty of magnet steel 20.Certainly, in other
In embodiment, which can also be in other polygons or irregular shape, be not especially limited herein.
Further, in order to improve uniform force of the magnet steel 20 on rotor core 10, the both sides of the storage tank 110 are divided
Not She You a limiting slot 120, at this time, the both sides of the main part 210 of magnet steel 20 are also respectively provided with a limiting section 220, so that main
The both sides in body portion 210 are fixed in rotor core 10.It is preferred that two limiting slots 120 of 110 both sides of storage tank
Center line on storage tank 110 is symmetrical set, in this way, the 210 both sides limiting section 220 of main part of magnet steel 20 is also on main body
The center line in portion 210 is symmetrical set, to further improve uniform force of the magnet steel 20 on rotor core 10.
The utility model also proposes a kind of magneto, which includes motor stator and rotor, the electricity
Machine rotor is rotatably provided in the motor stator.Concrete structure reference above-described embodiment of the rotor, due to this forever
Magneto employs whole technical solutions of above-mentioned all embodiments, therefore at least has the technical solution institute band of above-described embodiment
All beneficial effects come, this is no longer going to repeat them.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
Change, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of rotor, for magneto, it is characterised in that the rotor includes：
Rotor core, equipped with multiple magnetic slots, the multiple magnetic slot being provided at circumferentially spaced along the rotor core, Mei Yisuo
Stating magnetic slot includes storage tank and limiting slot, and the storage tank is radially extended along the rotor core, and the one of the limiting slot
End connects with the storage tank, and the extending direction of the limiting slot intersects with the extending direction of the storage tank；And
Multiple magnet steel, are arranged in multiple magnetic slots correspondingly, and each magnet steel includes main part and limiting section,
The main part, which houses, to be fixed in the storage tank, and the limiting section, which houses, to be fixed in the limiting slot.
2. rotor as claimed in claim 1, it is characterised in that the storage tank extends out to the rotor core
Outer circumferential surface.
3. rotor as claimed in claim 2, it is characterised in that the main part is close to the rotor core outer circumferential surface
The outer circumferential surface flush of end surface and the rotor core.
4. rotor as claimed in claim 1, it is characterised in that one end position that the limiting slot is connected with the storage tank
In the medium position of the storage tank.
5. rotor as claimed in claim 1, it is characterised in that the extending direction of the limiting slot and the storage tank
Extending direction is perpendicular.
6. rotor as claimed in claim 1, it is characterised in that the extending direction of the limiting slot and the storage tank
Extending direction is inclined to set, and on the direction radially along the rotor core, the limiting slot is housed with described
The spacing of groove is in cumulative setting.
7. rotor as claimed in claim 1, it is characterised in that the limiting slot is rectangular, semicircle or triangle is set
Put.
8. rotor as claimed in any of claims 1 to 7 in one of claims, it is characterised in that the both sides difference of the storage tank
Equipped with a limiting slot.
9. rotor as claimed in claim 8, it is characterised in that center line of two limiting slots on the storage tank
It is symmetrical set.
10. a kind of magneto, it is characterised in that including motor stator and electric as in one of claimed in any of claims 1 to 9
Machine rotor, the rotor are rotatably provided in the motor stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357161.1U CN207265762U (en) | 2017-10-18 | 2017-10-18 | Rotor and magneto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357161.1U CN207265762U (en) | 2017-10-18 | 2017-10-18 | Rotor and magneto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265762U true CN207265762U (en) | 2018-04-20 |
Family
ID=61918068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721357161.1U Active CN207265762U (en) | 2017-10-18 | 2017-10-18 | Rotor and magneto |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207265762U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681797A (en) * | 2017-10-18 | 2018-02-09 | 广东威灵电机制造有限公司 | Rotor and magneto |
| CN108418326A (en) * | 2018-05-10 | 2018-08-17 | 邹跃洲 | Magnet steel is equally spaced locating piece, rotor and motor |
-
2017
- 2017-10-18 CN CN201721357161.1U patent/CN207265762U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681797A (en) * | 2017-10-18 | 2018-02-09 | 广东威灵电机制造有限公司 | Rotor and magneto |
| CN108418326A (en) * | 2018-05-10 | 2018-08-17 | 邹跃洲 | Magnet steel is equally spaced locating piece, rotor and motor |
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