CN210167873U - Synchronous motor magnet steel fixing structure - Google Patents
Synchronous motor magnet steel fixing structure Download PDFInfo
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- CN210167873U CN210167873U CN201921470534.5U CN201921470534U CN210167873U CN 210167873 U CN210167873 U CN 210167873U CN 201921470534 U CN201921470534 U CN 201921470534U CN 210167873 U CN210167873 U CN 210167873U
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Abstract
The utility model discloses a synchronous machine magnet steel fixed knot constructs, including rotor core, first magnet steel and magnet steel groove, the figure that first magnet steel and first magnet steel were installed at rotor core's top is eight groups. The utility model discloses a set up in dashing of magnet steel groove one side and rivet the hole site, to slightly be greater than towards the punching pin punching press of riveting the hole site diameter advance towards the inner chamber of riveting the hole site, make towards near riveting the hole site and take place deformation, and extrude the magnet steel, realize the fixing of magnet steel on rotor core, need not plus flexible structure, avoid flexible structure to warp once more after fixed, simultaneously behind a set of rotor core fixed mounting magnet steel, can fix with the rotor core behind another group's installation magnet steel, make the magnet steel that is located on the rotor homoenergetic fixed, avoid the magnet steel not hard up, produce the noise, need not to use any glue etc. to assist the material, and the cost is saved, the technical degree of difficulty is lower, required equipment is simple, and is comparatively practical, and is.
Description
Technical Field
The utility model relates to a magnet steel technical field specifically is a synchronous machine magnet steel fixed knot constructs.
Background
Synchronous machine is a collection rotation and static, electromagnetic change and mechanical motion in an organic whole, realize the component of electric energy and mechanical energy transform, its dynamic properties is complicated, multiunit rotor core is installed to synchronous machine's inner chamber, the magnet steel is installed as the permanent magnet at rotor core's top, current permanent magnet synchronous machine magnet steel fixed knot constructs there is the viscose, the encapsulating etc. the viscose mode cost is lower, but the solidification needs the certain time, the encapsulating mode is with high costs, it is effectual, adopt AB glue solidification required time also longer, and the mode of moulding plastics curing time is short, the cost can be higher. Through installing deformable structure on rotor core in "magnet steel fixed knot constructs and rotor" of patent No. CN109245360A, utilize the insert to make it warp and extrude the magnet steel, realize the fixed of magnet steel on the iron core, and this kind of fixed knot structure need install deformable structure from top to bottom at rotor core, when inserting the insert, the deformable structure that only takes place deformation, the magnet steel that is located between the variable structure that appears still is not fixed, still can produce the noise when the rotor rotates. Therefore, we propose a magnetic steel fixing structure of a synchronous motor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a synchronous machine magnet steel fixed knot constructs, has solved the problem that proposes among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a synchronous machine magnet steel fixed knot constructs, includes rotor core, first magnet steel and magnet steel groove, the figure that first magnet steel and first magnet steel were installed at rotor core's top is eight groups, the figure that second magnet steel and second magnet steel were installed at rotor core's top is eight groups, the figure that third magnet steel and third magnet steel were installed at rotor core's top is sixteen groups, the magnet steel groove has been seted up to the position that rotor core's top corresponds first magnet steel, second magnet steel and third magnet steel, the hole site has been riveted to punching has been seted up at rotor core's top.
As a preferred embodiment of the present invention, the first magnetic steel, the second magnetic steel and the third magnetic steel are respectively inserted into the inner cavity of the magnetic steel groove.
As an embodiment of the present invention, the rivet punching hole is located at one side of the first magnetic steel, the second magnetic steel and the third magnetic steel near the center of the rotor core.
As a preferred embodiment of the present invention, the second magnetic steel is located inside the first magnetic steel.
As a preferred embodiment of the present invention, the third magnetic steel is located at both ends of the second magnetic steel.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a synchronous machine magnet steel fixed knot constructs, rivet the hole site through seting up dashing in magnet steel groove one side, to slightly be greater than towards the punching pin punching press of riveting the hole site diameter advance towards the inner chamber of riveting the hole site, make towards riveting near hole site emergence deformation, and extrude the magnet steel, realize the fixing of magnet steel on rotor core, need not plus flexible structure, avoid flexible structure to warp once more after fixed, simultaneously behind a set of rotor core fixed mounting magnet steel, can fix with the rotor core behind another group's installation magnet steel, make the magnet steel that is located on the rotor homoenergetic enough fixed, avoid the magnet steel not hard up, produce the noise, need not to use any glue etc. to assist the material, the cost is saved, the technical degree of difficulty is lower, required equipment is simple.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of the magnetic steel fixing structure of the synchronous motor of the present invention;
fig. 2 is the structure schematic diagram of the rotor core combination in the synchronous motor magnetic steel fixing structure.
In the figure: 1. a rotor core; 2. a first magnetic steel; 3. a second magnetic steel; 4. a third magnetic steel; 5. a magnetic steel groove; 6. and punching and riveting hole positions.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a synchronous machine magnet steel fixed knot constructs, includes rotor core 1, first magnet steel 2 and magnet steel groove 5, first magnet steel 2 and first magnet steel 2's figure is installed at rotor core 1's top is eight groups, second magnet steel 3 and second magnet steel 3's figure is eight groups installed at rotor core 1's top, third magnet steel 4 and third magnet steel 4's figure is sixteen groups installed at rotor core 1's top, magnet steel groove 5 has been seted up to the position that rotor core 1's top corresponds first magnet steel 2, second magnet steel 3 and third magnet steel 4, punching riveting hole site 6 has been seted up at rotor core 1's top.
The first magnetic steel 2, the second magnetic steel 3 and the third magnetic steel 4 are respectively inserted into the inner cavity of the magnetic steel groove 5.
The rivet punching hole position 6 is located on one side of the first magnetic steel 2, the second magnetic steel 3 and the third magnetic steel 4 close to the center of the rotor core 1.
Wherein, the second magnet steel 3 is positioned at the inner side of the first magnet steel 2.
In this embodiment (please refer to fig. 1 and 2), the punching rivet hole 6 opened on one side of the magnetic steel slot 5 is used to punch a punching pin slightly larger than the diameter of the punching rivet hole 6 into the inner cavity of the punching rivet hole 6, so that the punching rivet hole 6 is deformed and extrudes the magnetic steel, thereby fixing the magnetic steel on the rotor core 1 without adding a deformable structure, thereby preventing the deformable structure from deforming again after being fixed, and meanwhile, after the magnetic steel is fixedly installed on one set of rotor core 1, the magnetic steel can be fixed with another set of rotor core after the magnetic steel is installed, so that the magnetic steel in the middle of the rotor can be fixed, thereby preventing the magnetic steel from loosening and generating noise, and the magnetic steel does not need to use any auxiliary materials such as glue, thereby saving cost, lowering technical difficulty and simplifying required equipment.
And the third magnetic steel 4 is positioned at two ends of the second magnetic steel 3.
When the magnetic steel fixing structure of the synchronous motor is used, the first magnetic steel 2, the second magnetic steel 3 and the third magnetic steel 5 are respectively inserted into the inner cavities of the magnetic steel grooves 5 at the corresponding positions and are fixed by a clamp, then, a punching needle with a diameter slightly larger than that of the punching riveting hole position 6 is used for punching the inner cavity of the punching riveting hole position 6, so that the position near the punching riveting hole position 6 is deformed, and the magnetic steel is extruded to realize the fixation of the magnetic steel on the rotor core 1 without adding a deformable structure, thereby avoiding the deformation of the deformable structure after the fixation, meanwhile, after the magnetic steel is fixedly arranged on one group of rotor iron cores 1, the rotor iron cores can be connected with the other group of rotor iron cores 1 which are provided with the magnetic steel in a specified way, the magnetic steel positioned in the middle of the rotor can be fixed, the magnetic steel is prevented from shaking, noise is generated, auxiliary materials such as any glue are not needed, the cost is saved, the technical difficulty is low, and required equipment is simple. The device simple structure, the operation of being convenient for, the practicality is strong.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a synchronous machine magnet steel fixed knot constructs, includes rotor core (1), first magnet steel (2) and magnet steel groove (5), its characterized in that: the figure of first magnet steel (2) and first magnet steel (2) is installed at the top of rotor core (1) is eight groups, the figure that second magnet steel (3) and second magnet steel (3) were installed at the top of rotor core (1) is eight groups, the figure that third magnet steel (4) and third magnet steel (4) were installed at the top of rotor core (1) is sixteen groups, magnet steel groove (5) have been seted up to the position that the top of rotor core (1) corresponds first magnet steel (2), second magnet steel (3) and third magnet steel (4), towards riveting hole site (6) have been seted up at the top of rotor core (1).
2. The magnetic steel fixing structure of the synchronous motor according to claim 1, characterized in that: the first magnetic steel (2), the second magnetic steel (3) and the third magnetic steel (4) are respectively inserted into the inner cavity of the magnetic steel groove (5).
3. The magnetic steel fixing structure of the synchronous motor according to claim 1, characterized in that: the punching riveting hole position (6) is located on one side, close to the center of the rotor iron core (1), of the first magnetic steel (2), the second magnetic steel (3) and the third magnetic steel (4).
4. The magnetic steel fixing structure of the synchronous motor according to claim 1, characterized in that: the second magnetic steel (3) is positioned at the inner side of the first magnetic steel (2).
5. The magnetic steel fixing structure of the synchronous motor according to claim 1, characterized in that: and the third magnetic steel (4) is positioned at two ends of the second magnetic steel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921470534.5U CN210167873U (en) | 2019-09-05 | 2019-09-05 | Synchronous motor magnet steel fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921470534.5U CN210167873U (en) | 2019-09-05 | 2019-09-05 | Synchronous motor magnet steel fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210167873U true CN210167873U (en) | 2020-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921470534.5U Active CN210167873U (en) | 2019-09-05 | 2019-09-05 | Synchronous motor magnet steel fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210167873U (en) |
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2019
- 2019-09-05 CN CN201921470534.5U patent/CN210167873U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230110 Address after: 239000, No. 314, Lingxi Road, Chuzhou City, Anhui Province Patentee after: ANHUI C-E-CARS YANGZI AUTOMOBILE Co.,Ltd. Address before: 230012 building 15, dormitory building, area E, group A, Xinzhan Industrial Logistics Park, Xinzhan District, Hefei City, Anhui Province Patentee before: Hefei Dedian New Energy Vehicle Co.,Ltd. |
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| TR01 | Transfer of patent right |