CN109921532A - A kind of embedded permanent magnet machine rotor - Google Patents
A kind of embedded permanent magnet machine rotor Download PDFInfo
- Publication number
- CN109921532A CN109921532A CN201910339291.XA CN201910339291A CN109921532A CN 109921532 A CN109921532 A CN 109921532A CN 201910339291 A CN201910339291 A CN 201910339291A CN 109921532 A CN109921532 A CN 109921532A
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- China
- Prior art keywords
- fixed ring
- magnet steel
- steel item
- rotor core
- mounting hole
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of embedded permanent magnet machine rotors, it is related to technical field of motors.The inside of its rotor core opens up fluted, magnet steel installation by adhering is in inside grooves, the main part of magnet steel item is rectangle, the two sides in rectangle length direction are extended with lateral mass, the shape of magnet steel item is the entirety that two lateral mass and rectangle are formed, fixed ring one and fixed ring two form an annulus, the both ends of fixed ring one and fixed ring two connect respectively, the both ends and middle section of fixed ring one and fixed ring two are equipped with mounting hole, rotor core is equipped with screw hole corresponding with mounting hole, fixed ring one, it is connected and fixed by screw across mounting hole between fixed ring two and rotor core, fixed ring one, the radius of fixed ring two is equal to the center of magnet steel item to the distance at rotor core center.The present invention has the advantages that the structure of its magnet steel item can increase frictional force, increase stability, magnet steel item is not easily to fall off, prevents security risk, and structure is simple, easy processing.
Description
Technical field
The present invention relates to technical field of motors, and in particular to a kind of embedded permanent magnet machine rotor.
Background technique
The fixed installation of traditional permanent magnet machine rotor upper magnetic steel is directly to be bonded in rotor outer circle or benefit using bonding agent
It is tightened on rotor and is installed with bolt.Since heat and motor are generated in operational process in galvanomagnetic-effect conversion process of energy
High speed rotation also generates heat, makes bonding agent by thermal failure, and magnet steel can usually occur and fall off, and the damage of equipment is caused even to cause
Personal injury.
The mode for effectivelying prevent magnet steel to fall off in the prior art is inserted in the magnet steel outside rotor inside keyway, keyway
In longitudinal arrangement, although this mode is easy for assemble or unload, solve the problems, such as that external labeling type magnet steel item is caducous, magnet steel item is still
In the presence of the possibility being sliding out from rotor rim both ends, security risk can not be prevented completely.For this purpose, proposing that one kind is Embedded forever
Magneto rotor solves the above problems.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of embedded permanent magnet machine rotor, the structure of magnet steel item can increase
Add frictional force, increases stability, the available good fixation in the outer end of magnet steel item is not easily to fall off, prevents security risk, structure
Simply, easy processing, it is easy for assemble or unload.
In order to solve the above technical problems, the technical solution of the present invention is as follows: it includes rotor core, groove, magnet steel item, fixation
Ring one, fixed ring two, mounting hole；The inside of the rotor core opens up fluted, and there are four groove is uniformly arranged, magnet steel item is embedding
Enter formula and be installed on inside grooves, the main part of magnet steel item is rectangle, and the two sides in rectangle length direction are extended with lateral mass, magnet steel item
Shape be entirety that two lateral mass and rectangle are formed, the shape of groove is corresponding with the shape of magnet steel item, fixed ring one and fixation
Ring two forms an annulus, and the both ends of fixed ring one and fixed ring two connect respectively, the both ends of fixed ring one and fixed ring two and
Middle section is equipped with mounting hole, and rotor core is equipped with screw hole corresponding with mounting hole, fixed ring one, fixed ring two and turns
Be connected and fixed by screw across mounting hole between sub- iron core, fixed ring one, fixed ring two radius be equal to magnet steel item center
To the distance at rotor core center.
Further, telescopic rod is equipped in the groove, telescopic rod is made of interior bar and outer bar, is led between interior bar and outer bar
Screw locking is crossed, the outer end of interior bar contacts with magnet steel item, and the outer end of outer bar is connected with mounting blocks, and the inner wall of mounting blocks and groove leads to
Cross screw installation locking.
Further, the lateral mass of magnet steel length direction two sides is multiple.
After adopting the above structure, the present invention has the advantages that the structure of its magnet steel item can increase frictional force, increase steady
Qualitative, the available good fixation in the outer end of magnet steel item is not easily to fall off, prevents security risk, and structure is simple, easy processing, peace
Fill convenient disassembly.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is structural schematic diagram of the present invention without fixed ring one, fixed ring two；
Fig. 3 is the structural schematic diagram after fixed ring one of the invention, the connection of fixed ring two；
Fig. 4 is the structural schematic diagram of telescopic rod and mounting blocks of the invention.
Description of symbols: rotor core 1, magnet steel item 3, fixed ring 1, fixed ring 25, mounting hole 6, stretches groove 2
Bar 7, mounting blocks 8.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing and specific implementation
Mode, the present invention will be described in further detail.The following examples can make professional and technical personnel more comprehensively geographical
The solution present invention, but therefore the invention is limited to the scope of the described embodiments.
As shown in Figure 1-Figure 3, present embodiment adopts the following technical scheme that it includes rotor core 1, groove 2, magnetic
Steel bar 3, fixed ring 1, fixed ring 25, mounting hole 6；The inside of the rotor core 1 opens up fluted 2, and groove 2 is uniformly set
There are four setting, 3 installation by adhering of magnet steel item is inside groove 2, and the main part of magnet steel item 3 is rectangle, rectangle length direction
Two sides are extended with lateral mass, increase frictional force to a certain extent, the shape of magnet steel item 3 is the entirety that two lateral mass and rectangle are formed, recessed
The shape of slot 2 is corresponding with the shape of magnet steel item 3, and fixed ring 1 and fixed ring 25 form an annulus, fixed ring 1 and solid
The both ends for determining ring 25 connect respectively, and the both ends and middle section of fixed ring 1 and fixed ring 25 are equipped with mounting hole 6, rotor
Iron core 1 is equipped with screw hole corresponding with mounting hole 6, is worn between fixed ring 1, fixed ring 25 and rotor core 1 by screw
Mounting hole 6 is crossed to be connected and fixed, fixed ring 1, fixed ring 25 radius be equal to magnet steel item 3 center to 1 center of rotor core
Distance, after magnet steel item 3 is embedded in groove 2, one end that fixed ring 1 and fixed ring 25 are connected passes through screw and rotor iron
Core 1 is fixed, and fixed ring 1 and fixed ring 25 are unfolded, so that the other end of fixed ring 1 and fixed ring 25 connects, it is fixed
Ring 1 and fixed ring 25 can be blocked in the outer end of magnet steel item 3, play restriction effect to magnet steel item 3, prevent magnet steel item 3 de-
It falls, the centre of fixed ring 1 and fixed ring 25 is fixed also by screw and rotor core 1, further strengthens one 4 He of fixed ring
The fixation of fixed ring 25.
Further, as shown in figure 4, being equipped with telescopic rod 7 in the groove 2, telescopic rod 7 is made of interior bar and outer bar, interior
It is locked between bar and outer bar by screw, the outer end of interior bar is contacted with magnet steel item 3, and the outer end of outer bar is connected with mounting blocks 8, installation
The inner wall of block 8 and groove 2 is installed by screw and is locked, and telescopic rod 7 is fixed by screws on the inner wall of groove 2, then will be interior
Bar stretches with outer bar, so that the outer end of interior bar and the side of magnet steel item 3 offset, limits the position of magnet steel item 3, further
Prevent the landing of magnet steel item 3.
Further, the lateral mass of the 3 length direction two sides of magnet steel item is multiple, and lateral mass quantity increases, and can increase friction
Power.
Working principle: magnet steel item 3 is embedded in inside groove 2, after four magnet steel items 3 are respectively embedded into 2 inside of groove, will be pacified
The inner wall for filling block 8 and groove 2 installs locking by screw, and telescopic rod 7 is fixed by screws on the inner wall of groove 2, then will
Interior bar is stretched with outer bar, so that the outer end of interior bar and the side of magnet steel item 3 offset, is limited the position of magnet steel item 3, is prevented
The landing of magnet steel item 3, one end that then fixed ring 1, fixed ring 25 connect is fixed by screw and rotor core 1, will consolidate
Determine ring 1 and fixed ring 25 is unfolded, so that the other end of fixed ring 1 and fixed ring 25 connects, fixed ring 1 and fixed ring
25 can block in the outer end of magnet steel item 3, play restriction effect to magnet steel item 3, further prevent magnet steel item 3 to fall off, fixed ring
1 and fixed ring 25 centre it is fixed also by screw and rotor core 1, reinforce the fixation of fixed ring 1 and fixed ring 25.
The components such as above-described rotor core 1, magnet steel item 3 are universal standard part or component as known to those skilled in the art,
Structure and principle are all that those skilled in the art can be learnt by technical manual or be known by routine experiment method, are no longer explained
It states.
The structure of the magnet steel item of present embodiment can increase frictional force, increase stability, the outer end of magnet steel item can
It is not easily to fall off to be well fixed, prevent security risk, structure is simple, easy processing, easy for assemble or unload.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (3)
1. a kind of embedded permanent magnet machine rotor, it is characterised in that: including rotor core, groove, magnet steel item, fixed ring one, consolidate
Determine ring two, mounting hole；The inside of the rotor core open up it is fluted, there are four groove is uniformly arranged, the embedded peace of magnet steel item
Loaded on inside grooves, the main part of magnet steel item is rectangle, and the two sides in rectangle length direction are extended with lateral mass, the shape of magnet steel item
For the entirety that two lateral mass and rectangle are formed, the shape of groove is corresponding with the shape of magnet steel item, fixed ring one and two groups of fixed ring
At an annulus, the both ends of fixed ring one and fixed ring two connect respectively, the both ends and middle part of fixed ring one and fixed ring two
Divide and be equipped with mounting hole, rotor core is equipped with screw hole corresponding with mounting hole, fixed ring one, fixed ring two and rotor core
Between be connected and fixed by screw across mounting hole, fixed ring one, fixed ring two radius be equal to the center of magnet steel item to rotor
The distance of core center.
2. a kind of embedded permanent magnet machine rotor according to claim 1, it is characterised in that: be equipped in the groove flexible
Bar, telescopic rod are made of interior bar and outer bar, are locked between interior bar and outer bar by screw, and the outer end of interior bar is contacted with magnet steel item,
The outer end of outer bar is connected with mounting blocks, and the inner wall of mounting blocks and groove passes through screw installation and locks.
3. a kind of embedded permanent magnet machine rotor according to claim 1, it is characterised in that: the magnet steel length direction
The lateral mass of two sides is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339291.XA CN109921532A (en) | 2019-04-25 | 2019-04-25 | A kind of embedded permanent magnet machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339291.XA CN109921532A (en) | 2019-04-25 | 2019-04-25 | A kind of embedded permanent magnet machine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109921532A true CN109921532A (en) | 2019-06-21 |
Family
ID=66978575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910339291.XA Pending CN109921532A (en) | 2019-04-25 | 2019-04-25 | A kind of embedded permanent magnet machine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109921532A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112583190A (en) * | 2020-11-03 | 2021-03-30 | 超音速智能技术(杭州)有限公司 | Single-phase single-winding synchronous motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201533204U (en) * | 2009-10-30 | 2010-07-21 | 宁波北斗科技有限公司 | Magnetic steel fixing structure of motor rotor |
| JP2013126318A (en) * | 2011-12-15 | 2013-06-24 | Mitsubishi Electric Corp | Embedded magnet type rotor and embedded magnet type permanent magnet rotary electric machine using the same |
| CN203883635U (en) * | 2014-06-05 | 2014-10-15 | 常州市武进金宝电机有限公司 | A rotor magnetic steel rapid positioning pasting apparatus |
| CN204761187U (en) * | 2015-05-22 | 2015-11-11 | 雷勃电气(常州)有限公司 | Embedded electric motor rotor of spoke formula magnet steel |
| CN106059145A (en) * | 2016-07-15 | 2016-10-26 | 珠海凌达压缩机有限公司 | Motor rotor and variable frequency motor |
| CN206743072U (en) * | 2017-04-18 | 2017-12-12 | 佛山市南海区天洋电机制造有限公司 | A kind of disc type electric machine structure |
| CN209526578U (en) * | 2019-04-25 | 2019-10-22 | 南通雄亚机电制造有限公司 | A kind of embedded permanent magnet machine rotor |
-
2019
- 2019-04-25 CN CN201910339291.XA patent/CN109921532A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201533204U (en) * | 2009-10-30 | 2010-07-21 | 宁波北斗科技有限公司 | Magnetic steel fixing structure of motor rotor |
| JP2013126318A (en) * | 2011-12-15 | 2013-06-24 | Mitsubishi Electric Corp | Embedded magnet type rotor and embedded magnet type permanent magnet rotary electric machine using the same |
| CN203883635U (en) * | 2014-06-05 | 2014-10-15 | 常州市武进金宝电机有限公司 | A rotor magnetic steel rapid positioning pasting apparatus |
| CN204761187U (en) * | 2015-05-22 | 2015-11-11 | 雷勃电气(常州)有限公司 | Embedded electric motor rotor of spoke formula magnet steel |
| CN106059145A (en) * | 2016-07-15 | 2016-10-26 | 珠海凌达压缩机有限公司 | Motor rotor and variable frequency motor |
| CN206743072U (en) * | 2017-04-18 | 2017-12-12 | 佛山市南海区天洋电机制造有限公司 | A kind of disc type electric machine structure |
| CN209526578U (en) * | 2019-04-25 | 2019-10-22 | 南通雄亚机电制造有限公司 | A kind of embedded permanent magnet machine rotor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112583190A (en) * | 2020-11-03 | 2021-03-30 | 超音速智能技术(杭州)有限公司 | Single-phase single-winding synchronous motor |
| CN112583190B (en) * | 2020-11-03 | 2022-04-19 | 超音速智能技术(杭州)有限公司 | Single-phase single-winding synchronous motor |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190621 |
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| WD01 | Invention patent application deemed withdrawn after publication |