CN206865252U - Rotor core, motor and compressor - Google Patents
Rotor core, motor and compressor Download PDFInfo
- Publication number
- CN206865252U CN206865252U CN201720770376.XU CN201720770376U CN206865252U CN 206865252 U CN206865252 U CN 206865252U CN 201720770376 U CN201720770376 U CN 201720770376U CN 206865252 U CN206865252 U CN 206865252U
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- axis hole
- rivet portion
- rotor core
- rotor
- punching
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Abstract
The utility model discloses a kind of rotor core, motor and compressor, the rotor core is formed by multiple rotor punchings are stacked, the rotor punching includes punching body, the punching body is provided with axis hole, the multiple magnet slots set are spaced apart around the periphery of the axis hole, and avoid the rivet portion of the axis hole and magnet slot setting, and the minimum range D1 between the outline of the outline in the rivet portion and the punching body, the minimum range D3 between minimum range D2 and the outline in the rivet portion and the inwall of the magnet slot between the outline in the rivet portion and the inwall of the axis hole meets following relation：D1 >=1.6mm and D2 >=1.6mm and D3 >=1.6mm.According to the rotor core of the utility model embodiment, the selection of rivet portion position is reasonable on rotor punching, rotor punching can be avoided to deform, and reduces its influence to rotor magnetic circuit.
Description
Technical field
Technical field of motors is the utility model is related to, the electricity more particularly, to a kind of rotor core, with the rotor core
Machine and the compressor with the motor.
Background technology
Rotor core is formed by multiple rotor punchings are stacked, is typically fastened and connected by rivet between two neighboring rotor punching
Connect, so as to ensure to be brought into close contact and compress between multiple rotor punchings.However, the selection of rivet point position is unreasonable, can not only make
Deformed into rotor punching, and can also influence rotor magnetic circuit, thus, the selection of rivet point position is most important.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
With a kind of rotor core of new proposition, the selection of rivet portion position is reasonable on rotor punching, rotor punching can be avoided to become
Shape, and reduce its influence to rotor magnetic circuit.
The utility model also proposes a kind of motor with above-mentioned rotor core.
The utility model proposes a kind of compressor with above-mentioned motor again.
According to the rotor core of the utility model first aspect embodiment, the rotor core is stacked by multiple rotor punchings
Form, the rotor punching includes punching body, and the punching body is provided with axis hole, is spaced apart around the periphery of the axis hole
Multiple magnet slots of setting and the rivet portion for avoiding the axis hole and magnet slot setting, and the foreign steamer in the rivet portion
Wide minimum range D1 between the outline of the punching body, the rivet portion outline and the axis hole inwall it
Between minimum range D2 and the outline in the rivet portion and the inwall of the magnet slot between minimum range D3 meet such as
Lower relation：D1 >=1.6mm and D2 >=1.6mm and D3 >=1.6mm.
According to the rotor core of the utility model embodiment, by making the outline in rivet portion and the outline of punching body
Between minimum range D1, the minimum range D2 between the outline in rivet portion and the inwall of axis hole and the outline in rivet portion
Minimum range D3 between the inwall of magnet slot meets relational expression：D1 >=1.6mm and D2 >=1.6mm and D3 >=1.6mm, so as to
Ensure that the selection of rivet portion position on rotor punching is reasonable, rotor punching can be avoided to deform, and reduce it to rotor
The influence of magnetic circuit.
In addition, according to the rotor core of the utility model embodiment, there can also be following additional technical feature：
According to one embodiment of the present utility model, the rivet portion includes the multiple interior rivet portions being intervally installed,
The multiple interior rivet portion is located between the axis hole and the magnet slot.
Alternatively, the multiple interior rivet portion is centrally located on a concentric circles concentric with the axis hole.
Alternatively, the inwall of the magnet slot is included in the first side wall of the radially adjacent axis hole of the axis hole,
And the first side wall includes two the first sub- side walls of the radial symmetric on the axis hole, per two adjacent magnets
Department of assembly is limited between the described first sub- side wall of located adjacent one another two of groove and the inwall of the axis hole, towards the axle
The radial direction at the center in hole, the tangential dimension of the tangential direction in the axis hole of the department of assembly gradually increases, described more
Individual interior rivet portion is located at multiple departments of assembly correspondingly.
Alternatively, each department of assembly is provided with the mounting hole being spaced apart with the interior rivet portion, in the mounting hole
The center in the heart and the interior rivet portion the axis hole radially and circumferentially on stagger, and the interior rivet portion and the installation
Minimum range D4 >=1.6mm between hole.
Alternatively, the cross section in the interior rivet portion is the tangentially extending rectangle along the axis hole.
According to one embodiment of the present utility model, the rivet portion includes the multiple outer rivet portions being intervally installed,
The multiple outer rivet portion is located between the magnet slot and the outward flange of the punching body.
Alternatively, the multiple outer rivet portion is centrally located on a concentric circles concentric with the axis hole.
Alternatively, the inwall of the magnet slot is included in the second sidewall radially away from the axis hole of the axis hole,
Projection of the second sidewall on basal plane includes arc section, and the outer rivet portion is centrally located on pole center line, and institute
The cross section for stating outer rivet portion is the rectangle extended along the pole center line, wherein the basal plane is and the rotor core
Axially vertical plane, the pole center line for the center of circle of the center of circle and the arc section of the axis hole line.
Implement according to the motor of the utility model second aspect embodiment, including according to the above-mentioned first aspect of the utility model
The rotor core of example.
According to the motor of the utility model embodiment, by setting according to the above-mentioned first aspect embodiment of the utility model
Motor so that motor with above-mentioned rotor core with all advantages, the performance of motor is more preferable.
It is real according to the compressor of the utility model third aspect embodiment, including according to the above-mentioned second aspect of the utility model
Apply the motor of example.
According to the compressor of the utility model embodiment, by setting according to the above-mentioned second aspect embodiment of the utility model
Motor so that compressor with above-mentioned motor with all advantages, the performance of compressor is more preferable.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the structural representation according to the rotor punching of the rotor core of the utility model one embodiment；
Fig. 2 is that circle shows the enlarged drawing of structure at A in Fig. 1；
Fig. 3 is that circle shows the enlarged drawing of structure at B in Fig. 1；
Fig. 4 is the structural representation according to the rotor punching of the rotor core of the utility model another embodiment；
Fig. 5 is the structural representation according to the rotor punching of the rotor core of the utility model further embodiment.
Reference：
Rotor punching 100；
Punching body 1；Axis hole 11；Magnet slot 12；
Rivet portion 2；Interior rivet portion 21；Outer rivet portion 22；
The first side wall 101；First sub- side wall 1011；Department of assembly 1012；Mounting hole 1013；
Second sidewall 102；Arc section 1021；
Baseline 200；Pole center line 300.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.In description of the present utility model, " multiple " are meant that two or more, unless otherwise specifically defined.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
Can be connection or the interaction relationship of two elements of two element internals.For one of ordinary skill in the art
Speech, can understand concrete meaning of the above-mentioned term in the utility model as the case may be.
Rotor core below with reference to Fig. 1-Fig. 5 descriptions according to the utility model first aspect embodiment.
As Figure 1-Figure 5, it is stacked by multiple rotor punchings 100 according to the rotor core of the utility model embodiment and
Into rotor punching 100 includes punching body 1, and punching body 1 is provided with axis hole 11, is spaced apart setting around the periphery of axis hole 11
Multiple magnet slots 12 and avoid the rivet portion 2 that axis hole 11 and magnet slot 12 are set, rotor core also includes multiple permanent magnetism
Body, multiple permanent magnets are correspondingly in multiple magnet slots 12.
Rivet portion 2 is used to realize the connection between adjacent two rotor punching 100 stacked on top of each other, i.e., stacked on top of each other
Cooperated between two rivet portions 2 of two adjacent rotor punchings 100 to realize between two neighboring rotor punching 100
Connection.The structure and shape in rivet portion 2 can be set according to being actually needed, for example, rivet portion 2 can be by rotor punching
100 upper table punching press downwards, to form the groove to lower recess in the upper surface of rotor punching 100, while in rotor punching
100 lower surface forms downwardly projecting projection, between adjacent two rotor punchings 100, rotor punching 100 above
Lower surface on projection be fastened in the groove on the upper surface of underlying rotor punching 100, so as to realize two turn
Connection between sub- punching 100.
In the prior art, position of the rivet portion on rotor punching be not good enough, and rivet portion is excessively near apart from the edge of rotor punching,
So as to during the punching of rivet portion, it will cause the edge of rotor punching to deform, so as to not only cause rotor punching
Between can not be brought into close contact and compress, and can also influence rotor magnetic circuit, influence the performance of rotor core.
Therefore, present inventor is improved to the position in rivet portion on rotor punching then, inventor is by repeatedly
Research and experiment, find when rivet portion 2 outline and punching body 1 outline between minimum range D1, rivet portion 2
Outline and axis hole 11 inwall between minimum range D2 and the outline in rivet portion 2 and the inwall of magnet slot 12 between
Minimum range D3 meet following relation：D1 >=1.6mm and D2 >=1.6mm and during D3 >=1.6mm, can avoid rotor punching
100 edge deforms, and thereby may be ensured that and is brought into close contact and compresses between rotor punching 100, so as to ensure rotor core
Performance.
According to the rotor core of the utility model embodiment, by making the outline in rivet portion 2 and the foreign steamer of punching body 1
Minimum range D2's between minimum range D1, rivet portion 2 outline and the inwall of axis hole 11 and rivet portion 2 between exterior feature
Minimum range D3 between outline and the inwall of magnet slot 12 meets relational expression：D1 >=1.6mm and D2 >=1.6mm and D3 >=
1.6mm, so as to ensure that the selection of the position of rivet portion 2 on rotor punching 100 is reasonable, rotor punching 100 can be avoided to deform,
And reduce its influence to rotor magnetic circuit.
Preferably, the minimum range D1 between the outline of the outline in rivet portion 2 and punching body 1 is 1.6mm, thus
It can reduce rivet 2 influence to rotor magnetic circuit of portion as much as possible on the premise of avoiding rotor punching 100 to deform, make
The performance for obtaining rotor core is more preferable.
In one embodiment of the present utility model, as shown in Fig. 1, Fig. 4-Fig. 5, rivet portion 2 includes being spaced setting
The multiple interior rivet portions 21 put, i.e. rivet portion 2 can include two or more interior rivet portions 21, such as can be two
It is individual, three, four or five etc..Preferably, the quantity in interior rivet portion 21 is equal with the quantity of magnet slot 12, such as in Fig. 1, figure
In example shown in 4- Fig. 5, interior rivet portion 21 and magnet slot 12 are four.Multiple interior rivet portions 21 are located at axis hole 11 and magnetic
Between body groove 12, it is possible thereby to be brought into close contact and compress between ensureing rotor punching 100.
Preferably, as shown in Fig. 1, Fig. 4-Fig. 5, multiple interior rivet portions 21 are centrally located at one concentric with axis hole 11
On concentric circles, thus not only make it that the structure of rotor punching 100 is attractive in appearance, and it is simpler make it that rivet portion 2 manufactures.Enter one
Step ground, as shown in Fig. 1, Fig. 4-Fig. 5, multiple interior rivet portions 21 are evenly distributed on a concentric circles concentric with axis hole 11,
So that the fastening active force suffered by rotor punching 100 is more uniform, preferably it can be bonded and press between rotor punching 100
Tightly.
It should be noted that the internal diameter of axis hole 11 of multiple rotor punchings 100 of rotor core can be with equal, can not also phase
Deng when the internal diameter of axis hole 11 of multiple rotor punchings 100 is unequal, for example, rotor core includes two rotors stacked on top of each other
Punching 100, one of them is the rotor punching 100 shown in Fig. 1, and another is the rotor punching 100 shown in Fig. 5, it is clear that
The internal diameter of axis hole 11 of rotor punching 100 shown in Fig. 1 is more than the internal diameter of axis hole 11 of the rotor punching 100 shown in Fig. 5, then
The selected of the interior position of rivet portion 21 on the small rotor punching 100 of the internal diameter of axis hole 11 will be according to the big rotor punching of the internal diameter of axis hole 11
The position in the interior rivet portion 21 on 100 is selected, i.e., the choosing of the interior position of rivet portion 21 on the rotor punching 100 shown in Fig. 5
Surely to be determined according to the position in the interior rivet portion 21 on the rotor punching 100 shown in Fig. 1, so as to ensure stacked on top of each other two
The position in the interior rivet portion 21 between individual rotor punching 100 is just relative.
In one embodiment of the present utility model, as shown in Fig. 1, Fig. 4-Fig. 5, rivet portion 2 includes being spaced setting
The multiple outer rivet portions 22 put, i.e. rivet portion 2 can include two or more outer rivet portions 22, such as can be two
It is individual, three, four or five etc..Preferably, the quantity in outer rivet portion 22 is equal with the quantity of magnet slot 12, such as in Fig. 1, figure
In example shown in 4- Fig. 5, outer rivet portion 22 and magnet slot 12 are four.Multiple outer rivet portions 22 are located at the He of magnet slot 12
Between the outward flange of punching body 1.It is possible thereby to it is brought into close contact and compresses between ensureing rotor punching 100.
Preferably, as shown in Fig. 1, Fig. 4-Fig. 5, multiple outer rivet portions 22 are centrally located at one concentric with axis hole 11
On concentric circles.Thus not only make it that the structure of rotor punching 100 is attractive in appearance, and it is simpler make it that rivet portion 2 manufactures.Enter one
Step ground, as shown in Fig. 1, Fig. 4-Fig. 5, multiple outer rivet portions 22 are evenly distributed on a concentric circles concentric with axis hole 11,
So that the fastening active force suffered by rotor punching 100 is more uniform, preferably it can be bonded and press between rotor punching 100
Tightly.
In a preferred embodiment of the present utility model, as shown in Fig. 1, Fig. 4-Fig. 5, rivet portion 2 is included to each other
Every multiple interior rivet portions 21 of setting and the multiple outer rivet portions 22 being intervally installed, multiple interior rivet portions 21 are located at axis hole 11
Between magnet slot 12, multiple outer rivet portions 22 are located between magnet slot 12 and the outward flange of punching body 1, so that rotor
Fastening active force suffered by punching 100 is more uniform, preferably can be bonded and compress between rotor punching 100.
In a specific embodiment of the present utility model, as shown in Fig. 1, Fig. 4-Fig. 5, the inwall of magnet slot 12 includes
In the first side wall 101 of the radially adjacent axis hole 11 of axis hole 11, and the first side wall 101 includes the radial symmetric on axis hole 11
Two the first sub- side walls 1011, per two adjacent magnet slots 12 the sub- side wall 1011 of located adjacent one another two first and axis hole
Department of assembly 1012 is limited between 11 inwall, the radial direction at the center towards axis hole 11, department of assembly 1012 described
The tangential dimension of the tangential direction of axis hole 11 gradually increases, and multiple interior rivet portions 21 are located at multiple departments of assembly correspondingly
1012, so that the setting of the interior position of rivet portion 21 is more flexible, avoid rotor punching 100 from deforming, ensure rotor iron
The performance of core.
Further, each department of assembly 1012 is provided with the mounting hole 1013 being spaced apart with interior rivet portion 21, mounting hole 1013
Can be rivet hole etc., for insulating end plate to be fixed on the end faces of the rotor core, the center of mounting hole 1013 and interior rivet
The center in portion 21 axis hole 11 radially and circumferentially on stagger, i.e. the center in the center of mounting hole 1013 and interior rivet portion 21 exists
Axis hole 11 is radially staggered, and the center in the center of mounting hole 1013 and interior rivet portion 21 is also wrong in the circumference of axis hole 11
Open, it is possible thereby to avoid mounting hole 1013, interior rivet portion 21 from being interfered in production and assembling process, mounting hole 1013 and interior
The position in rivet portion 21 is selected more flexible.In addition, as shown in figure 3, most narrow spacing between interior rivet portion 21 and mounting hole 1013
From D4 >=1.6mm, thus interior rivet portion 21, mounting hole 1013 can be not only avoided to be interfered in production and assembling process,
And rivet portion 2 can be avoided during punching, cause the edge of mounting hole 1013 to deform.
As shown in Fig. 1, Fig. 3-Fig. 5, the cross section in interior rivet portion 21 is the tangentially extending rectangle along axis hole 11, thus
Influence of the interior rivet portion 21 to rotor field can be reduced, ensures the performance of rotor core.
In the specific example shown in Fig. 1-Fig. 5, rotor punching 100 has four magnet slots 12, and four magnet slots 12 limit
Four above-mentioned departments of assembly 1012 are made, the interior rivet portion 21 being spaced apart from each other and mounting hole are equipped with each department of assembly 1012
1013, the center in the center of mounting hole 1013 and interior rivet portion 21 axis hole 11 radially and circumferentially on stagger, rotor punching
Line between 100 center of axis hole 11 and the center of mounting hole 1013 is baseline 200, and interior rivet portion 21 can be located at baseline
200 any side.For example, in the example shown in Fig. 1 and Fig. 5, in axis hole 11 clockwise, interior 21, rivet portion
In the downstream of the baseline 200；In the example depicted in fig. 4, in axis hole 11 clockwise, interior rivet portion 21 is located at
The upstream side of the baseline 200.The setting of the interior position of rivet portion 21 can be selected according to being actually needed.
As Figure 1-Figure 5, the inwall of magnet slot 12 is included in the second sidewall radially away from axis hole 11 of axis hole 11
102, projection of the second sidewall 102 on basal plane includes arc section 1021, and outer rivet portion 22 is centrally located at pole center line 300
On, and the cross section in outer rivet portion 22 is the rectangle extended along pole center line 300, wherein basal plane is the axle with rotor core
To vertical plane, pole center line 300 is the line in the center of circle and the center of circle of arc section 1021 of axis hole 11, it is possible thereby to reduce
Influence of the outer rivet portion 22 to rotor field, ensure the performance of rotor core.
Implement according to the motor of the utility model second aspect embodiment, including according to the above-mentioned first aspect of the utility model
The rotor core of example.
According to the motor of the utility model embodiment, by setting according to the above-mentioned first aspect embodiment of the utility model
Motor so that motor with above-mentioned rotor core with all advantages, the performance of motor is more preferable.
It is real according to the compressor of the utility model third aspect embodiment, including according to the above-mentioned second aspect of the utility model
Apply the motor of example.
According to the compressor of the utility model embodiment, by setting according to the above-mentioned second aspect embodiment of the utility model
Motor so that compressor with above-mentioned motor with all advantages, the performance of compressor is more preferable.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (11)
1. a kind of rotor core, it is characterised in that the rotor core is formed by multiple rotor punchings are stacked, the rotor punching
Including punching body, the punching body be provided with axis hole, around the periphery of the axis hole be spaced apart set multiple magnet slots,
And the rivet portion of the axis hole and magnet slot setting is avoided, and the outline in the rivet portion and the punching body
Minimum range D2 between minimum range D1, the outline in the rivet portion and the inwall of the axis hole between outline and
Minimum range D3 between the outline in the rivet portion and the inwall of the magnet slot meets following relation：D1 >=1.6mm and
D2 >=1.6mm and D3 >=1.6mm.
2. rotor core according to claim 1, it is characterised in that the rivet portion is multiple including being intervally installed
Interior rivet portion, the multiple interior rivet portion are located between the axis hole and the magnet slot.
3. rotor core according to claim 2, it is characterised in that the multiple interior rivet portion be centrally located at it is described
On a concentric concentric circles of axis hole.
4. rotor core according to claim 2, it is characterised in that the inwall of the magnet slot is included in the axis hole
The first side wall of the radially adjacent axis hole, and the first side wall includes two of the radial symmetric on the axis hole the
One sub- side wall, per the described first sub- side wall of located adjacent one another two of two adjacent magnet slots and the inwall of the axis hole
Between limit department of assembly, the radial direction at the center towards the axis hole, the department of assembly in the tangential of the axis hole
The tangential dimension in direction gradually increases, and the multiple interior rivet portion is located at multiple departments of assembly correspondingly.
5. rotor core according to claim 4, it is characterised in that each department of assembly is provided with and the interior rivet portion
The center in mounting hole spaced apart, the center of the mounting hole and the interior rivet portion the axis hole radially and circumferentially on
Stagger, and minimum range D4 >=1.6mm between the interior rivet portion and the mounting hole.
6. rotor core according to claim 4, it is characterised in that the cross section in the interior rivet portion is along the axis hole
Tangentially extending rectangle.
7. according to the rotor core any one of claim 1-6, it is characterised in that the rivet portion includes being spaced
The multiple outer rivet portions set, the multiple outer rivet portion are located between the magnet slot and the outward flange of the punching body.
8. rotor core according to claim 7, it is characterised in that the multiple outer rivet portion be centrally located at it is described
On a concentric concentric circles of axis hole.
9. rotor core according to claim 7, it is characterised in that the inwall of the magnet slot is included in the axis hole
Radially away from the second sidewall of the axis hole, projection of the second sidewall on basal plane includes arc section, the outer rivet
Portion is centrally located on pole center line, and the cross section in the outer rivet portion is along the rectangular of pole center line extension
Shape, wherein the basal plane is the axially vertical plane with the rotor core, the pole center line is the circle of the axis hole
The heart and the line in the center of circle of the arc section.
A kind of 10. motor, it is characterised in that including：According to the rotor core any one of claim 1-9.
A kind of 11. compressor, it is characterised in that including：Motor according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770376.XU CN206865252U (en) | 2017-06-28 | 2017-06-28 | Rotor core, motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770376.XU CN206865252U (en) | 2017-06-28 | 2017-06-28 | Rotor core, motor and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206865252U true CN206865252U (en) | 2018-01-09 |
Family
ID=60829191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720770376.XU Active CN206865252U (en) | 2017-06-28 | 2017-06-28 | Rotor core, motor and compressor |
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| Country | Link |
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| CN (1) | CN206865252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103984A1 (en) * | 2019-11-27 | 2021-06-03 | 中昇创举（天津）科技有限公司 | Permanent magnet motor rotor machining process and rotor assembly |
-
2017
- 2017-06-28 CN CN201720770376.XU patent/CN206865252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103984A1 (en) * | 2019-11-27 | 2021-06-03 | 中昇创举（天津）科技有限公司 | Permanent magnet motor rotor machining process and rotor assembly |
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