CN206685994U - The permanent magnet machine rotor and motor of a kind of low magnetism leakage - Google Patents
The permanent magnet machine rotor and motor of a kind of low magnetism leakage Download PDFInfo
- Publication number
- CN206685994U CN206685994U CN201720299417.1U CN201720299417U CN206685994U CN 206685994 U CN206685994 U CN 206685994U CN 201720299417 U CN201720299417 U CN 201720299417U CN 206685994 U CN206685994 U CN 206685994U
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- China
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- rotor
- support hub
- permanent magnet
- rotor core
- punching
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
A kind of permanent magnet machine rotor of low magnetism leakage, it is characterised in that：Also include the support hub of a non-magnet material, the rotor core is sheathed on the periphery of the support hub, also, the periphery of support hub is provided with multiple clamping convex bodys, and each clamping convex body is corresponded in the punching and is provided with matching caulking groove；The clamping convex body is the strip convex tendon extended along rotor axial, and the end portion width of the strip convex tendon on the radial section of rotor is more than its width by the root of support hub side；And, both ends in the axial direction of the rotor core be stacked with non-magnet material every magnetic fastening plates, fastening bolt is equipped with along rotor axial on the position between adjacent magnet steel groove of rotor core, specific fastening bolt is to run through to set and with nut coordinate every magnetic fastening plates every magnetic fastening plates, rotor core to the other end through one end to be fastenedly connected.
Description
Technical field
It the utility model is related to motor, and in particular to the permanent magnet machine rotor and motor of a kind of low magnetism leakage.
Background technology
Magneto, refer to that motor uses permanent magnet excitation without not having magnetic force winding using coil excitation, this motor,
Not only save a large amount of copper and iron materials for making coil so that machine volume is smaller, weight is lighter, additionally it is possible to saves magnetizing coil
The electric energy consumed during work, be advantageous to improve the electromechanical conversion efficiency of motor.
The rotor of magneto is made up of rotating shaft, rotor core, permanent magnet and additional support, and rotor core is all by rushing
Piece is stacked to be formed, and around the axle center of rotor, rotational symmetry uniformly opens up magnet steel groove in punching, and permanent magnet is in magnet steel groove, forever
Leakage field is more on the inside of magnet, therefore magnet isolation tank is typically opened up on the inside of permanent magnet and forms magnetic bridge, but has that magnetic flux leakage is big to ask
Topic, this adds increased the input of permanent magnet, makes the cost of product increase, volume increase.
The content of the invention
The utility model purpose is to provide the permanent magnet machine rotor and motor of a kind of low magnetism leakage, to drop leakage field with cost declining
With diminution volume.
To reach above-mentioned purpose, the rotor technology scheme that the utility model uses is：A kind of magneto of low magnetism leakage turns
Son, including rotor core and permanent magnet, the rotor core are stacked to by punching, around the axle center of rotor in each punching
It is in a rotationally symmetrical arrangement to have multiple magnet steel grooves for being used to accommodate permanent magnet；Also include the support hub of a non-magnet material, the rotor
For iron core sleeve on the periphery of the support hub, an accommodating cavity is left at the center of the support hub；The magnet steel groove is towards support
The one end open of hub forms fracture；Also, the periphery of support hub is provided with multiple clamping convex bodys, and each card is corresponded in the punching
Connect convex body and be provided with matching caulking groove；The clamping convex body is the strip convex tendon extended along rotor axial, and the strip convex tendon exists
End portion width on the radial section of rotor is more than its width by the root of support hub side；The support hub is convex by each clamping
Body and the clamping engagement composition of the corresponding caulking groove in punching and being fixedly connected for punching；Also, in the axial direction of the rotor core
Both ends be stacked with non-magnet material every equal edge in magnetic fastening plates, the position between adjacent magnet steel groove of rotor core
Rotor axial is equipped with fastening bolt, and specific fastening bolt is tight every magnetic every magnetic fastening plates, rotor core to the other end through one end
Gu plate is fastenedly connected through setting and with nut cooperation.
In such scheme, cross sectional shape of the strip convex tendon on rotor radial section is trapezoidal, rectangle or circle.
In such scheme, the support hub is the aluminium section bar of a ring section.
In such scheme, the side of magnet steel groove towards the air gap, which is also interrupted, sets fracture.
In such scheme, the quantity of the fastening bolt is identical with magnet steel slot number amount, i.e., each adjacent on rotor core
Magnet steel groove between respectively set a fastening bolt on position.
To reach above-mentioned purpose, the magneto technical scheme that the utility model uses is：A kind of Permanent Magnet and Electric of low magnetism leakage
Machine, including rotor, the rotor include rotor core and permanent magnet, and the rotor core is stacked to by punching, each punching
On piece around the axle center of rotor it is in a rotationally symmetrical arrangement have multiple be used to accommodate the magnet steel grooves of permanent magnet；Also including a non-magnet material
Support hub, the rotor core are sheathed on the periphery of the support hub, and an accommodating cavity is left at the center of the support hub；Institute
State magnet steel groove and form fracture towards the one end open of support hub；Also, the periphery of support hub is provided with multiple clamping convex bodys, and described
Each clamping convex body is corresponded in punching and is provided with matching caulking groove；The clamping convex body is convex along the strip of rotor axial extension
Muscle, the end portion width of the strip convex tendon on the radial section of rotor are more than its width by the root of support hub side；The branch
Support hub passes through each clamping convex body and the clamping engagement composition of the corresponding caulking groove in punching and being fixedly connected for punching；It is also, described
Both ends in the axial direction of rotor core be stacked with non-magnet material every magnetic fastening plates, rotor core in adjacent magnet steel groove
Between position on be equipped with fastening bolt along rotor axial, specific fastening bolt is every magnetic fastening plates, rotor iron through one end
Core runs through to set and with nut coordinate to the other end every magnetic fastening plates to be fastenedly connected.
In such scheme, cross sectional shape of the strip convex tendon on rotor radial section is trapezoidal, rectangle or circle.
In such scheme, the support hub is the aluminium section bar of a ring section.
In such scheme, the side of magnet steel groove towards the air gap, which is also interrupted, sets fracture.
In such scheme, the quantity of the fastening bolt is identical with magnet steel slot number amount, i.e., each adjacent on rotor core
Magnet steel groove between respectively set a fastening bolt on position.
The utility model principle and advantage：Center axis of the present utility model in each magnet steel groove of each punching towards rotor
If fracture, and be also non-magnet material with the support hubs of iron core interior side contacts, so as to interrupt the leakage field loop on the inside of permanent magnet,
Leakage reluctance is improved, efficiently reduces leakage field, improves the utilization rate of permanent magnet, so as to reduce the body that cost reduces rotor
Product.Furthermore the utility model supports rotor core using support hub, and two endlaps in punching axial direction set non-magnet material
Every magnetic fastening plates, both ends are together compressed every magnetic fastening plates with all punchings in middle part by fastening bolt and nut and are fastenedly connected
It is integrated, fastening bolt is equipped between each adjacent magnet steel groove, i.e., between each adjacent magnet steel groove in punching
Part have the fixation of fastening bolt, the intensity of rotor is ensure that, so as to the workplace suitable for high-power and high-speed.
Brief description of the drawings
Fig. 1 is the rotor full section schematic diagram of the utility model embodiment one, and the spindle portion of internal rotor is not shown in figure；
Fig. 2 is Fig. 1 left view schematic diagram；
The A-A that Fig. 3 is Fig. 1 cuts open schematic diagram.
In the figures above：1st, rotor core；11st, punching；111st, magnet steel groove；1111st, fracture；112nd, caulking groove；2nd, permanent magnet；
3rd, support hub；31st, accommodating cavity；32nd, clamping convex body；4th, every magnetic fastening plates；5th, fastening bolt；6th, nut.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Embodiment one：Referring to Fig. 1-Fig. 3：
A kind of permanent magnet machine rotor of low magnetism leakage, including rotating shaft（Not shown in figure）, rotor core 1 and permanent magnet 2, it is described
Rotor core 1 is stacked to by punching 11, in each punching 11 around the axle center of rotor it is in a rotationally symmetrical arrangement have multiple be used to hold
Receive the magnet steel groove 111 of permanent magnet 2.
Referring to Fig. 1-Fig. 3, permanent magnet machine rotor also includes the support hub 3 of a non-magnet material, and the rotor core 1 is arranged
In on the periphery of the support hub 3, an accommodating cavity 31 is left at the center of the support hub 3.The magnet steel groove 111 is towards support hub
3 one end open forms fracture 1111.Also, the periphery of support hub 3 is provided with multiple clamping convex bodys 32, and in the punching 11
Corresponding each clamping convex body 32 is provided with matching caulking groove 112.
Referring to Fig. 1-Fig. 3, the clamping convex body 32 is the strip convex tendon extended along rotor axial, and the strip convex tendon is in rotor
Radial section on end portion width be more than its by the side of support hub 3 root width.The support hub 3 passes through each clamping convex body
32 are formed and punching 11 is fixedly connected with the clamping engagement of corresponding caulking groove 112 in punching 11.
Also, referring to Fig. 1-Fig. 3, the both ends in the axial direction of the rotor core 1 be stacked with non-magnet material every magnetic
Fastening plates 4, fastening bolt 5 is equipped with along rotor axial on the position between adjacent magnet steel groove 111 of rotor core 1,
Specific fastening bolt 5 is to run through setting and and nut every magnetic fastening plates 4 every magnetic fastening plates 4, rotor core 1 to the other end through one end
6 cooperations are fastenedly connected.
Cross sectional shape of the strip convex tendon on rotor radial section is trapezoidal, rectangle or circle.
The support hub 3 is the aluminium section bar of a ring section.The accommodating cavity 31 of support hub 3 is used to accommodating rotating shaft and each
Kind accessory, such as speed changer, clutch, brake.
The present embodiment is all provided with fracture 1111, and and iron in the rotating shaft side of each punching 11 each magnet steel groove 111 towards rotor
The support hub 3 of in-core side contacts is also non-magnet material, so as to interrupt the leakage field loop of the inner side of permanent magnet 2, improves leakage field
Magnetic resistance, leakage field is efficiently reduced, improve the utilization rate of permanent magnet 2, so as to reduce the volume that cost reduces rotor.Also,
Rotor core, and the ingenious clamping using each clamping convex body 32 with the corresponding caulking groove 112 in punching 11 are supported using support hub 3
Coordinate, support hub 4 is reliably fixedly connected with rotor core 1, so ensure that rotor strength, so as to suitable for high-power high turn
The workplace of speed.
The magnet steel groove 111 can also interrupt towards the side of air gap sets fracture 1111, so as to interrupt the leakage in the outside of permanent magnet 2
Magnetic loop, eliminate magnetic bridge leakage field.
Embodiment two：
A kind of magneto of low magnetism leakage, including rotor and stator, specific rotor structure is with described in embodiment one, here not
Repeat again.
For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of permanent magnet machine rotor of low magnetism leakage, including rotor core and permanent magnet, the rotor core are stacked by punching
Into having multiple magnet steel grooves for being used to accommodate permanent magnet around the axle center of rotor is in a rotationally symmetrical arrangement in each punching；Its feature
It is：Also include the support hub of a non-magnet material, the rotor core is sheathed on the periphery of the support hub, the support
Leave an accommodating cavity in the center of hub；The magnet steel groove forms fracture towards the one end open of support hub；Also, the periphery of support hub
Multiple clamping convex bodys are provided with, and each clamping convex body is corresponded in the punching and is provided with matching caulking groove；The clamping convex body
For the strip convex tendon extended along rotor axial, the end portion width of the strip convex tendon on the radial section of rotor is more than it by support
The width of the root of hub side；The support hub is made up of each clamping convex body with the clamping engagement of the corresponding caulking groove in punching and punching
Piece is fixedly connected；Also, the both ends in the axial direction of the rotor core be stacked with non-magnet material every magnetic fastening plates, turn
Be equipped with fastening bolt along rotor axial on the position between adjacent magnet steel groove of sub- iron core, specific fastening bolt be through
One end is run through to set and with nut coordinate every magnetic fastening plates, rotor core to the other end every magnetic fastening plates to be fastenedly connected.
2. the permanent magnet machine rotor of low magnetism leakage according to claim 1, it is characterised in that：The strip convex tendon is in rotor radial
Cross sectional shape on section is trapezoidal, rectangle or circle.
3. the permanent magnet machine rotor of low magnetism leakage according to claim 1, it is characterised in that：The support hub is a ring section
Aluminium section bar.
4. the permanent magnet machine rotor of low magnetism leakage according to claim 1, it is characterised in that：The magnet steel groove is towards the side of air gap
Also interrupt and set fracture.
5. the permanent magnet machine rotor of low magnetism leakage according to claim 1, it is characterised in that：The quantity and magnetic of the fastening bolt
Steel tank quantity is identical, i.e., respectively sets a fastening bolt on position between each adjacent magnet steel groove on rotor core.
6. a kind of magneto of low magnetism leakage, including rotor, the rotor includes rotor core and permanent magnet, the rotor core
It is stacked to by punching, there are multiple magnet steel for being used to accommodate permanent magnet around the axle center of rotor is in a rotationally symmetrical arrangement in each punching
Groove；It is characterized in that：Also include the support hub of a non-magnet material, the rotor core is sheathed on the periphery of the support hub
On, an accommodating cavity is left at the center of the support hub；The magnet steel groove forms fracture towards the one end open of support hub；Also,
The periphery of support hub is provided with multiple clamping convex bodys, and each clamping convex body is corresponded in the punching and is provided with matching caulking groove；
The clamping convex body is along the strip convex tendon of rotor axial extension, the end portion width of the strip convex tendon on the radial section of rotor
Width more than it by the root of support hub side；Clamping of the support hub by each clamping convex body with the corresponding caulking groove in punching
Cooperation composition is fixedly connected with punching；Also, the both ends in the axial direction of the rotor core are stacked with non-magnet material
Every being equipped with fastening bolt along rotor axial in magnetic fastening plates, the position between adjacent magnet steel groove of rotor core, have
Body fastening bolt is through setting and tight with nut cooperation every magnetic fastening plates every magnetic fastening plates, rotor core to the other end through one end
It is solidly connected.
7. the magneto of low magnetism leakage according to claim 6, it is characterised in that：The strip convex tendon is in rotor radial section
On cross sectional shape be trapezoidal, rectangle or circle.
8. the permanent magnet machine rotor of low magnetism leakage according to claim 6, it is characterised in that：The support hub is a ring section
Aluminium section bar.
9. the permanent magnet machine rotor of low magnetism leakage according to claim 6, it is characterised in that：The magnet steel groove is towards the side of air gap
Also interrupt and set fracture.
10. the permanent magnet machine rotor of low magnetism leakage according to claim 6, it is characterised in that：The quantity of the fastening bolt with
Magnet steel slot number amount is identical, i.e., respectively sets a fastening bolt on position between each adjacent magnet steel groove on rotor core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720299417.1U CN206685994U (en) | 2017-03-24 | 2017-03-24 | The permanent magnet machine rotor and motor of a kind of low magnetism leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720299417.1U CN206685994U (en) | 2017-03-24 | 2017-03-24 | The permanent magnet machine rotor and motor of a kind of low magnetism leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685994U true CN206685994U (en) | 2017-11-28 |
Family
ID=60390185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720299417.1U Withdrawn - After Issue CN206685994U (en) | 2017-03-24 | 2017-03-24 | The permanent magnet machine rotor and motor of a kind of low magnetism leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206685994U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070028A (en) * | 2017-03-24 | 2017-08-18 | 李致真 | The permanent magnet machine rotor and motor of a kind of low magnetism leakage |
| CN108616180A (en) * | 2018-07-23 | 2018-10-02 | 杨世国 | A kind of combination type permanent-magnet rotor |
| CN110233528A (en) * | 2019-06-25 | 2019-09-13 | 京马电机有限公司 | For the rotor structure in built-in permanent magnetic motor |
| CN110247532A (en) * | 2019-06-25 | 2019-09-17 | 京马电机有限公司 | A kind of built-in permanent magnetic motor |
| CN112953152A (en) * | 2021-03-23 | 2021-06-11 | 台铃科技(江苏)股份有限公司 | High salient pole ratio permanent magnet motor for electric motor |
-
2017
- 2017-03-24 CN CN201720299417.1U patent/CN206685994U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070028A (en) * | 2017-03-24 | 2017-08-18 | 李致真 | The permanent magnet machine rotor and motor of a kind of low magnetism leakage |
| CN107070028B (en) * | 2017-03-24 | 2023-09-12 | 李致真 | Permanent magnet motor rotor with low magnetic leakage and motor |
| CN108616180A (en) * | 2018-07-23 | 2018-10-02 | 杨世国 | A kind of combination type permanent-magnet rotor |
| CN110233528A (en) * | 2019-06-25 | 2019-09-13 | 京马电机有限公司 | For the rotor structure in built-in permanent magnetic motor |
| CN110247532A (en) * | 2019-06-25 | 2019-09-17 | 京马电机有限公司 | A kind of built-in permanent magnetic motor |
| CN112953152A (en) * | 2021-03-23 | 2021-06-11 | 台铃科技(江苏)股份有限公司 | High salient pole ratio permanent magnet motor for electric motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171128 Effective date of abandoning: 20230912 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171128 Effective date of abandoning: 20230912 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |