CN207766052U - A kind of rotor core axial fixing structure and riveting device - Google Patents
A kind of rotor core axial fixing structure and riveting device Download PDFInfo
- Publication number
- CN207766052U CN207766052U CN201721805241.9U CN201721805241U CN207766052U CN 207766052 U CN207766052 U CN 207766052U CN 201721805241 U CN201721805241 U CN 201721805241U CN 207766052 U CN207766052 U CN 207766052U
- Authority
- CN
- China
- Prior art keywords
- riveting
- rotor
- plate
- convex block
- holder
- 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.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims description 35
- 230000000694 effects Effects 0.000 claims description 4
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 5
- 241000239290 Araneae Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
This application discloses a kind of rotor core axial fixing structures, it include the holder (1) for fixed rotor iron core and rotor press plate, the holder (1) is equipped with convex block (11) close to one end of the rotor press plate, the convex block (11) can deform under external force and tensioner rotor press plate, fixed rotor iron core.The application also provides a kind of riveting device providing external force to above-mentioned rotor core axial fixing structure；Rotor core axial fixing structure and riveting device provided by the utility model, the axially and radially space of rotor can not only be saved to greatest extent, reduce motor volume, but also it is simple and reliable, firm in structure, strong operability, efficient, of low cost, it is suitable for the batch production of permanent magnet drive motor.
Description
Technical field
This application involves electrical equipment technical fields, are filled more particularly to a kind of rotor core axial fixing structure and riveting
It sets.
Background technology
With the development of domestic electric vehicle and universal, permanent magnet drive motor is small with its, power density is high, speed governing model
Wide advantage is enclosed, more and more extensive utilization is obtained.The axial restraint mode of permanent magnetic electric machine rotor iron core generally with its rotor iron
In-core diameter is related, and rotating speed small for rotor core internal diameter higher motor after rotor core is inserted in shaft, mostly uses greatly arc key
Add retaining ring, or axial restraint is carried out by the way of round nut and the cooperation of round nut stop washer；For rotor core internal diameter
Larger motor uses rotor field spider transition between shaft and rotor core, using the rotor press plate on rotor core, will turn
After sub- iron core compresses, rotor press plate is anchored on rotor field spider with fixed component, achievees the purpose that secured core；Alternatively, root
Special locking nut, which is made, after iron core compresses according to rotor field spider is tightened in rotor field spider with locking nut, while compressing iron core,
Locking nut is fixed with fixed component again, reaches fixed purpose.
However, for some passenger cars, especially mixed ejector half passenger car often requires that be matched with speed changer
Motor is accomplished flat as possible, also has rigors to motor inside axial direction and radial space, meanwhile, riding automobile drive motor turns
Higher, the up to 10000rpm of speed, also has high requirements for the mechanical strength of its fixed structure of rotor, according to listed above
Several fixed forms are difficult to meet space and intensity requirement.
Utility model content
In order to solve the above technical problems, first purpose of the utility model is to provide a kind of rotor core axial restraint knot
Structure；Second purpose of the utility model is to provide a kind of riveting dress providing external force to above-mentioned rotor core axial fixing structure
It sets；Rotor core axial fixing structure and riveting device provided by the utility model, can not only save rotor to greatest extent
Axially and radially space reduces motor volume, but also simple and reliable, firm in structure, strong operability, efficient, of low cost,
It is suitable for the batch production of permanent magnet drive motor.
The technical scheme that the utility model is provided is as follows：
A kind of rotor core axial fixing structure includes the holder for fixed rotor iron core and rotor press plate, the branch
Frame is equipped with convex block close to one end of the rotor press plate, and the convex block can deform under external force and tensioner rotor press plate, Gu
Stator-rotor iron core.
Preferably, the branch is provided with multiple convex blocks.
Preferably, the thickness of the convex block is less than the thickness of the holder, and the holder is with the convex block connecting place in circle
It slips over and crosses, and the first guide angle of the holder and the convex block connecting place is at obtuse angle.
Preferably, the first guide angle of the holder and the convex block connecting place is at 120-150 ° of angle.
Preferably, the thickness of the convex block is 1-3mm, width 3-10mm.
The utility model also provides a kind of riveting device providing external force to structure described in any one of the above embodiments, including pressing plate
2, riveting plate 3, the pressing plate 2 is L-shaped, and the long side of the pressing plate 2 is fixed with the riveting plate 3 by fixed component 4, the pressure
The short side end setting corresponding with the position of rotor press plate of plate 2；The riveting plate 3 is contacted with the convex block 11, and the riveting
Pressing plate 3, which is equipped with, leads with matched second guide angle of 11 first guide angle of the convex block, first guide angle with described second
It it is 180 ° to the sum of angle.
Preferably, the second guide angle on the riveting plate is at 30-60 ° of angle.
Preferably, one or more gaskets are equipped between the pressing plate and the riveting plate.
Preferably, the riveting plate is equipped with multiple riveting boss for squeezing the convex block, and second guide angle is set
It sets on the riveting boss, the riveting boss is circumferentially uniformly distributed along the riveting plate.
Preferably, the second guide angle on the riveting boss and the riveting plate are in rounding off.
Rotor core axial fixing structure provided by the utility model, by the way that convex block is arranged on the holder of rotor core,
And using external force by convex block crimp, tensioner rotor press plate achievees the purpose that rotor core axial restraint.The utility model exists
In the limited inner space of motor, convex block is only arranged on holder can play the role of fixed rotor iron core, without increasing
Other structures can reduce axially and radially the space occupied and are particularly suitable for reduce the volume of entire motor to greatest extent
The extremely compact driving motor for electric automobile of space structure.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 be in the utility model embodiment rotor iron mandrel to the structural schematic diagram (portion of fixed structure and riveting device
Separation structure) (the first guide angle is 135 ° in figure)；
Fig. 2 is the positive structure diagram of riveting plate in riveting device in the utility model embodiment；
Fig. 3 is that (second is oriented in figure for the side structure schematic view of riveting plate in riveting device in the utility model embodiment
Angle is 45 °)；
The structural schematic diagram that Fig. 4 is the Fillet Feature R of riveting plate in riveting device in the utility model embodiment；
Reference numeral：1- holders；11- convex blocks；2- pressing plates；3- riveting plates；31- riveting boss；4- fixed components；5- is padded
Piece；A- rotor press plates；B- rotor cores；C- chamfering features；The first guide angles of d1-；The second guide angles of d2-；R- Fillet Features；
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
Please be as shown in Figures 1 to 4, a kind of rotor core axial fixing structure of the utility model embodiment offer, including with
In the holder 1 of fixed rotor iron core and rotor press plate, the holder 1 is equipped with convex block 11, institute close to one end of the rotor press plate
Simultaneously tensioner rotor press plate, fixed rotor iron core can be deformed under external force by stating convex block 11.
Rotor core axial fixing structure provided by the utility model, by the way that convex block is arranged on the holder 1 of rotor core
11, and using external force by 11 crimp of convex block, tensioner rotor press plate achievees the purpose that rotor core axial restraint.This practicality
It is novel that convex block is only arranged on holder 1 can play the role of fixed rotor iron core in the limited inner space of motor, without
Other structures need to be increased, axially and radially the space occupied can be reduced to greatest extent, to reduce the volume of entire motor, especially
The driving motor for electric automobile extremely compact suitable for space structure.
Preferably, the holder 1 is equipped with multiple convex blocks 11.
Multiple convex blocks 11 are set on holder 1, then after convex block 11 deforms under the effect of external force, can be risen from multiple angles
Tight rotor press plate makes rotor core more stablize, securely in axial fixation.Multiple convex blocks 11 on holder 1 can be uniformly distributed,
It also can be in the multiple convex blocks of a certain angle integrated distribution 11.
Preferably, the thickness of the convex block 11 is less than the thickness of the holder 1, and the holder 1 is connected with the convex block 11
Place is in rounding off, and the first guide angle of the holder 1 and 11 connecting place of the convex block is at obtuse angle.
Preferably, the first guide angle of the holder 1 and 11 connecting place of the convex block is at 120-150 ° of angle.
Holder 1 is in rounding off with 11 connecting place of convex block, directly can process convex block 11 in the tail end of holder 1, also may be used
After rounding off structure at 1 tail end processing of holder, convex block 11 is reconnected.It is preferred that convex block 11 and holder 1 are to be integrally machined molding
's.Rounding off refers to holder 1 to the direction of convex block 11, and thickness is gradually reduced so that the part that holder 1 is connect with convex block 11 is cut
Face is triangular in shape, and so that the first guide angle of holder 1 and 11 connecting place of convex block is at obtuse angle, preferably the first guide angle is at 120-
150 ° of angles, more preferably at 135 ° of angles.
Preferably, the thickness of the convex block 11 is 1-3mm, width 3-10mm.
The thickness of rotor core axial fixing structure provided by the utility model, convex block 11 is 1-3mm, preferably 1-1.5mm；
Width is 3-10mm, preferably 3-5mm, and length is arranged as required to, and could be provided as 3-20mm.As needed, the ruler of convex block 11
It is very little to be also adjusted.
The utility model also provides a kind of riveting device providing external force to structure described in any one of the above embodiments, including pressing plate
2, riveting plate 3, the pressing plate 2 is L-shaped, and the long side of the pressing plate 2 is fixed with the riveting plate 3 by fixed component 4, the pressure
The short side end setting corresponding with the position of rotor press plate of plate 2；The riveting plate 3 is contacted with the convex block 11, and the riveting
Pressing plate 3, which is equipped with, leads with matched second guide angle of 11 first guide angle of the convex block, first guide angle with described second
It it is 180 ° to the sum of angle.
The utility model also provides the Special-purpose riveting pressing device that external force is provided to above-mentioned rotor core axial fixing structure.Riveting
Device includes pressing plate 2, riveting plate 3, and pressing plate 2 is L-shaped, and the long side of L-shaped pressing plate 2 is fixed with riveting plate 3 by fixed component 4, L-shaped
The short side end setting corresponding with the position of rotor press plate of pressing plate 2；Riveting plate 3 is contacted with convex block 11, and riveting plate 3 be equipped with
Matched second guide angle of 11 first guide angle of convex block.Fixed component 4 can be bolt, can also be other fixing devices.
Since pressing plate 2 is fixed with riveting plate 3 by fixed component 4, then riveting device is pushed, makes riveting device to rotor iron
Core axial fixing structure moves, and riveting plate 3 can squeeze convex block 11, and convex block 11 is made to deform tensioner rotor press plate, to solid
Stator-rotor iron core.Simultaneously as the setting corresponding with the position of rotor press plate of the short side end of pressing plate 2, the short side end of pressing plate 2
It can be moved to rotor press plate, when the short side end of pressing plate 2 is contacted with rotor press plate, pressing plate 2 can be to rotor press plate and rotor
Iron core continues to pressure, keeps the loading process of compression and riveting more uniform, effect is more preferable.Riveting plate 3 be equipped with it is described convex
Matched second guide angle of 11 first guide angle of block, the sum of first guide angle and second guide angle are 180 °, are made
Pressure can be applied with the guiding of guide angle to convex block 11 by obtaining riveting plate 3.Meanwhile it can be to avoid 3 elder generation's extrusion lug 11 of riveting plate
And after resisting holder 1, pressing plate 2 can not continue to occur the case where applying pressure to rotor press plate and rotor core.
Preferably, the second guide angle on the riveting plate 3 is at 30-60 ° of angle.
The sum of second guide angle and the first guide angle are 180 °, and the first guide angle is preferably at 120-150 ° of angle, then second
Guide angle is preferably at 30-60 ° of angle.
Preferably, one or more gaskets 5 are equipped between the pressing plate 2 and the riveting plate 3.
One or more gaskets 5 are set between pressing plate 2 and riveting plate 3, riveting device squeezing to convex block 11 can be adjusted
Compressive strain amount.When increase gasket 5 quantity when, pressing plate 2 increases with riveting plate 3 at a distance from, then riveting device run it is identical away from
From riveting plate 3 is increased to the extrusion deformation degree of convex block 11；Conversely, when reducing the quantity of gasket 5, pressing plate 2 and riveting plate
3 distance reduces, then riveting device runs identical distance, and riveting plate 3 reduces the extrusion deformation degree of convex block 11.Therefore, may be used
Quantity by adding and subtracting gasket 5 between pressing plate 2 and riveting plate 3 adjusts the extrusion deformation degree of convex block 11 riveting device
It is whole.In addition, in a certain range, for different rotor internal diameters, can be also adjusted by adding and subtracting the quantity of gasket 5.
Preferably, the riveting plate 3 is equipped with multiple riveting boss 31 for squeezing the convex block 11, and described second is oriented to
Angle is arranged on the riveting boss 31, and the riveting boss 31 is circumferentially uniformly distributed along the riveting plate 3.
Multiple riveting boss 31 can be arranged in riveting plate 3, and riveting boss 31 is circumferentially uniformly distributed along the riveting plate 3.It can
Riveting is carried out at the same time to multiple convex blocks 11.The quantity of riveting boss 31 can be arranged according to the quantity of boss 11.
Preferably, the second guide angle on the riveting boss 31 and the riveting plate 3 are in rounding off.
The structural damage that is likely to occur when to prevent riveting device from carrying out riveting to convex block 11, respectively in riveting plate 3
31 contact surface both sides of riveting boss setting Fillet Feature R has rounding off when convex block 11 being made to be pushed outwardly deformation, is unlikely to
Generate cracking or phenomenon of rupture.Preferably, chamfering feature C can also be arranged on rotor press plate, further it is conducive to convex block 11
Deformation.
The rotor core axial fixing structure and Special-purpose riveting pressing device of the utility model, can be by following operation：By rotor
After pressing plate and rotor core are inserted in holder 1, it is carried out using riveting device to compress and riveting is fixed, the pressing plate 2 of riveting device
While applying authorized pressure to rotor press plate and rotor core, each riveting boss 31 of riveting plate 3 is to each convex of holder 1
Block 11 carries out uniformly distributed riveting, makes it outwardly against deformation tensioner rotor press plate, reaches rotor core axial restraint purpose.
The utility model has the advantages that following：
1) do not increase parts, it is simple and reliable, it is efficient, it is easy to operate, it is of low cost.
2) axially and radially space can be saved to greatest extent, reduce motor volume.
3) versatile, it is applicable in different inner diameters rotor core, can also control extrusion deformation degree by adjusting press-fitting tool,
Reach ideal effect.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (10)
1. a kind of rotor core axial fixing structure, which is characterized in that include the branch for fixed rotor iron core and rotor press plate
Frame (1), the holder (1) are equipped with convex block (11) close to one end of the rotor press plate, and the convex block (11) can be in outer force effect
Lower deformation and tensioner rotor press plate, fixed rotor iron core.
2. rotor core axial fixing structure according to claim 1, which is characterized in that the holder (1) is equipped with multiple
Convex block (11).
3. rotor core axial fixing structure according to claim 2, which is characterized in that the thickness of the convex block (11) is small
Thickness in the holder (1), the holder (1) and the convex block (11) connecting place are in rounding off, and the holder (1) with
First guide angle of convex block (11) connecting place is at obtuse angle.
4. rotor core axial fixing structure according to claim 3, which is characterized in that the holder (1) with it is described convex
First guide angle of block (11) connecting place is at 120-150 ° of angle.
5. rotor core axial fixing structure according to claim 4, which is characterized in that the thickness of the convex block (11) is
1-3mm, width 3-10mm.
6. a kind of rotor core axial fixing structure to described in any one of claim 3-5 provides the riveting device of external force,
It is characterised in that it includes pressing plate (2), riveting plate (3), the pressing plate (2) is L-shaped, long side and the riveting of the pressing plate (2)
Plate (3) is fixed by fixed component (4), the short side end setting corresponding with the position of rotor press plate of the pressing plate (2)；It is described
Riveting plate (3) is contacted with the convex block (11), and the riveting plate (3) is equipped with and is matched with (11) first guide angle of the convex block
The second guide angle, the sum of first guide angle and second guide angle be 180 °.
7. riveting device according to claim 6, which is characterized in that the second guide angle on the riveting plate (3) is at 30-
60 ° of angles.
8. riveting device according to claim 7, which is characterized in that set between the pressing plate (2) and the riveting plate (3)
There are one or multiple pads (5).
9. riveting device according to claim 7, which is characterized in that the riveting plate (3) is equipped with multiple for squeezing institute
The riveting boss (31) of convex block (11) is stated, second guide angle is arranged on the riveting boss (31), the riveting boss
(31) it is circumferentially uniformly distributed along the riveting plate (3).
10. riveting device according to claim 9, which is characterized in that the second guide angle on the riveting boss (31)
It is in rounding off with the riveting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721805241.9U CN207766052U (en) | 2017-12-21 | 2017-12-21 | A kind of rotor core axial fixing structure and riveting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721805241.9U CN207766052U (en) | 2017-12-21 | 2017-12-21 | A kind of rotor core axial fixing structure and riveting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766052U true CN207766052U (en) | 2018-08-24 |
Family
ID=63187585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721805241.9U Active CN207766052U (en) | 2017-12-21 | 2017-12-21 | A kind of rotor core axial fixing structure and riveting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207766052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910967A (en) * | 2017-12-21 | 2018-04-13 | 中车株洲电机有限公司 | A kind of rotor core axial fixing structure and riveting device |
-
2017
- 2017-12-21 CN CN201721805241.9U patent/CN207766052U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910967A (en) * | 2017-12-21 | 2018-04-13 | 中车株洲电机有限公司 | A kind of rotor core axial fixing structure and riveting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201438662U (en) | Tire expanding device | |
| CN102832763A (en) | Surface-mounted permanent magnet synchronous motor magnetic steel seamless assembling apparatus and assembling and repairing processes | |
| CN207766052U (en) | A kind of rotor core axial fixing structure and riveting device | |
| CN201352695Y (en) | Press plate for cable entry device | |
| CN107910967A (en) | A kind of rotor core axial fixing structure and riveting device | |
| CN211760872U (en) | Core and wire drawing wheel with same | |
| CN204118878U (en) | The preposition rotor of a kind of electric motor car | |
| CN204657515U (en) | The interior swelling positioning tool of processing motor cabinet | |
| CN203225602U (en) | Mosaic-type stator core | |
| CN209077784U (en) | The device of screw thread is suppressed simultaneously in hard alloy cylinder both ends | |
| CN209250361U (en) | Slotless wedge-type motor stator and its motor, generator | |
| CN206481133U (en) | A kind of rotor structure of new-energy automobile synchronous magnetoelectric machine | |
| CN202679091U (en) | Stator punching sheet for high-voltage high-efficient motor | |
| CN204344536U (en) | Blower impeller for automotive air conditioner pressing clamp | |
| CN111997919A (en) | Centrifugal fan structure of motor | |
| CN206283377U (en) | A kind of motor shaft structure of motor in electric automobile rotor spline connection | |
| CN203883575U (en) | Fixing device of permanent magnet generator rotor steel magnet | |
| CN104358776A (en) | Motor shaft | |
| CN215344165U (en) | Brake motor integrated special casing with brake manual operation rod fixing device | |
| CN205070693U (en) | Water -cooled in -wheel motor structure | |
| CN204927762U (en) | Riveting fixed formula commutator | |
| CN204915276U (en) | A anti -sliding device for engine suspension device | |
| CN204045383U (en) | A kind of epoxy-cast dry-type transformer high-voltage coil panel | |
| CN103307141B (en) | Delayed type freewheel clutch | |
| CN210071543U (en) | Combined pin for high-power wind power shrinkage disc test bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240110 Address after: Building 2, No. 6 Xinzhong Road, Haichang Street, Jiaxing City, Zhejiang Province, 314400 Patentee after: Zhejiang CRRC shangchi Electric Co.,Ltd. Address before: 412000 Tianxin hi tech park, Shifeng District, Zhuzhou City, Hunan Province Patentee before: CRRC Zhuzhou Electric Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 2, No. 6 Xinzhong Road, Haichang Street, Jiaxing City, Zhejiang Province, 314400 Patentee after: Zhejiang Shangchi Electric Co.,Ltd. Country or region after: China Address before: Building 2, No. 6 Xinzhong Road, Haichang Street, Jiaxing City, Zhejiang Province, 314400 Patentee before: Zhejiang CRRC shangchi Electric Co.,Ltd. Country or region before: China |