CN205753714U - A kind of rotor punching, rotor and motor - Google Patents
A kind of rotor punching, rotor and motor Download PDFInfo
- Publication number
- CN205753714U CN205753714U CN201620405816.7U CN201620405816U CN205753714U CN 205753714 U CN205753714 U CN 205753714U CN 201620405816 U CN201620405816 U CN 201620405816U CN 205753714 U CN205753714 U CN 205753714U
- Authority
- CN
- China
- Prior art keywords
- connector
- magnetic shoe
- rotor
- magnetic
- rotor punching
- 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
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The open a kind of rotor punching of this utility model, rotor and motor, wherein, rotor punching includes connector ringwise and the equally distributed magnetic conduction sheet of circumference along connector, magnetic shoe groove is set between adjacent magnetic conduction sheet, magnetic shoe groove radially extending along connector, and there is the bottom land of the periphery of close connector, on bottom land and be positioned at the perimembranous of connector and be provided with the first protuberance.When being provided with magnetic shoe in magnetic shoe groove, the contact area of magnetic shoe and connector can be reduced by the first protuberance, increase the air gap between magnetic shoe and connector further, the air gap between the most adjacent two magnetic shoes increases, magnetic conduction connecting portion reduces, greatly reduce the generation of leakage field situation, thus improve the magnetic property of the rotor of the rotor punching using this structure, increase magnetic flux area.
Description
Technical field
This utility model relates to technical field of motors, particularly relates to a kind of rotor punching, more specifically relates to
And a kind of rotor of this rotor punching and comprise the motor of this rotor of using.
Background technology
The structure of the rotor of the most common magneto is surface-mount type structure and built-in tangential structure, relative to
Surface-mount type structure, the rotor of built-in tangential structure can effectively reduce the demagnetization caused by armature-reaction, and increase
Magnetic flux area, can improve the constant power speed range of motor, improves and exist motor while improving performance
Centrifugal force protection when running up.As it is shown in figure 1, this built-in rotor punching includes punching body 1 ',
Arranging the magnetic shoe groove 2 ' of some enclosed constructions on punching body 1 ', each magnetic shoe groove 2 ' is all along punching originally
Radially extending of body 1 ', has the length and width of setting.Owing to magnetic shoe groove 2 ' uses enclosed construction,
Make to connect full by magnetic conductor between the interior magnetic shoe of adjacent two magnetic shoe grooves 2 ', make rotor punching exist further
There is more leakage field during use, reduce the performance of rotor.
Utility model content
A purpose of the present utility model is to provide a kind of rotor punching, its simple in construction, is effectively reduced
Rotor leakage.
Another purpose of the present utility model is to provide a kind of rotor, and its leakage field is few, and magnetic property is good, magnetic flux
Area is big.
Another purpose of the present utility model is to provide a kind of motor, and its leakage field is few, quality better.
For reaching this purpose, this utility model by the following technical solutions:
On the one hand, it is provided that a kind of rotor punching, including connector ringwise with along the circumference of described connector
Equally distributed magnetic conduction sheet, arranges magnetic shoe groove between adjacent described magnetic conduction sheet, described magnetic shoe groove is along described connection
Radially extending of part, and have the bottom land of periphery near described connector, on described bottom land and be positioned at institute
The perimembranous stating connector is provided with the first protuberance.
On the other hand, a kind of rotor is also provided for, including described rotor punching.
Another aspect, also provides for a kind of motor, including described rotor.
The beneficial effects of the utility model are: the rotor punching that this utility model provides can be subtracted by the first protuberance
Few magnetic shoe and the contact area of connector, increase the air gap between magnetic shoe and connector, i.e. phase further
The air gap between adjacent two magnetic shoes increases, and magnetic conduction connecting portion reduces, and greatly reduces leakage field situation
Generation, thus improve the magnetic property of rotor of the rotor punching using this structure, increase magnetic flux area.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional built-in rotor punching.
Fig. 2 is the structural representation of the rotor punching described in this utility model embodiment.
Fig. 3 is the cross-sectional schematic of the rotor punching described in this utility model embodiment.
Fig. 4 is the partial structurtes schematic diagram of the rotor punching described in this utility model embodiment.
Fig. 5 is the structural representation of the rotor using rotor punching of the present utility model.
In Fig. 1:
1 ', punching body；2 ', magnetic shoe groove.
In Fig. 2 to 5:
1, connector；2, magnetic conduction sheet；21, external arc；3, magnetic shoe groove；4, the first protuberance；5, inner side
Air gap；6, fixed part；7, the second protuberance；8, magnetic shoe.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by detailed description of the invention.
As shown in Figures 2 to 4, the rotor punching of this utility model embodiment includes connector 1 He ringwise
Along the equally distributed magnetic conduction sheet of circumference 2 of described connector 1, between adjacent described magnetic conduction sheet 2, magnetic shoe groove is set
3, described magnetic shoe groove 3 radially extending along described connector 1, and there is the periphery near described connector 1
Bottom land, on described bottom land and be positioned at the perimembranous of described connector 1 and be provided with the first protuberance 4.
When being provided with magnetic shoe in magnetic shoe groove 3, connecing of magnetic shoe and connector 1 can be reduced by the first protuberance 4
Contacting surface is amassed, and increases the air gap between magnetic shoe and connector 1 further, between the most adjacent two magnetic shoes
The air gap increases, and magnetic conduction connecting portion reduces, and greatly reduces the generation of leakage field situation, thus promotes
Use the magnetic property of the rotor of the rotor punching of this structure, increase magnetic flux area.
In the present embodiment, described connector 1, described magnetic conduction sheet 2 and the first protuberance 4 integrated punching molding.
The most whole rotor punching uses impact style molding.
Further, arranging inner side air gap 5 in described magnetic conduction sheet 2, described inner side air gap 5 is along described connector
1 radially extend, and described inner side air gap 5 connects with described magnetic shoe groove 3 near one end of described connector 1.
By arranging the inner side air gap 5 radially extended along connector 1 in magnetic conduction sheet 2, and make gas inside this
Gap 5 connects with magnetic shoe groove 3, adds the air gap between magnetic shoe and connector 1, further reduces
The generation of leakage field situation.
Concrete, described inner side air gap 5 away from one end of described connector 1 not through described magnetic conduction sheet 2.
Preferably, described magnetic conduction sheet 2 is connected with described connector 1, at described fixed part 6 by fixed part 6
Both sides be provided with described inner side air gap 5, two described inner side air gaps 5 respectively with two adjacent described magnetic
Watt groove 3 connects.
By being respectively provided with in the both sides of fixed part 6 and the inner side air gap 5 of adjacent two magnetic shoe groove 3 connections, can
To ensure between magnetic conduction sheet 2 with adjacent two magnetic shoes of increase tried one's best while the intensity that connector 1 connects
The air gap, reduce leakage field.
In preferred embodiment of the present utility model, described magnetic shoe groove 3 is semi-closed structure, and it is with described
The side that bottom land is relative arranges notch, at the extended line of the external arc 21 that described notch is positioned at described magnetic conduction sheet 2.
By magnetic shoe groove 3 is set to semi-closed structure, the magnetic conduction between adjacent two magnetic shoes can be made to connect
Position is reduced, and further reduces the generation of leakage field situation.
Preferably, external arc 21 both sides of described magnetic conduction sheet 2 are provided with the second protuberance 7, are positioned at same
Two described second protuberances 7 in described magnetic shoe groove 3 are set in distance, and at two described second protuberances 7
Between form described notch.
By arranging two the second protuberances 7 at notch position, it is possible not only to increase between the air between adjacent magnetic shoe
Gap, to reduce leakage field, it is also possible to the first protuberance 4 mating reaction, firm for magnetic shoe is limited in magnetic shoe groove 3
In, effectively prevent magnetic shoe from moving radially in magnetic shoe groove 3.
In a preferred embodiment of the present utility model, the external arc 21 of described magnetic conduction sheet 2 is for for eccentric
Arc structure.
By the external arc 21 of magnetic conduction sheet 2 being set to the external arc 21 of eccentric arc structure, i.e. magnetic conduction sheet 2
The center of circle the most concentric with the center of rotor punching (i.e. connector), it is possible to reduce the torque pulsation of rotor, shape
Become the non-uniform gap being prone to produce sine wave magnetic field, the back-emf ripple of motor can be obviously improved, reduce load
Time Cymbidium aloifolium, and then reduce motor torque pulsation.
Preferably, described magnetic conduction sheet 2 is in sector structure, so that the described magnetic between adjacent described magnetic conduction sheet 2
Watt groove 3 is in rectangular configuration.
In a preferred embodiment of the present utility model, described magnetic conduction sheet 2 is near described magnetic shoe groove 3
Side is provided with multiple 3rd protuberance.
By arranging the 3rd protuberance, it is possible to reduce the side of magnetic shoe and the contact area of magnetic conduction sheet 2 so that magnetic
Watt both sides and magnetic conduction sheet 2 between all there is the air gap, reduce leakage field.
Preferably, multiple described 3rd protuberances are along the radially uniform distribution of connector 1.
3rd protuberance of radially even distribution, the active force that can make support magnetic shoe is more uniform.
In a preferred embodiment of the present utility model, the width of described magnetic shoe groove 3 and described magnetic shoe
Thickness matches, and the width of described first protuberance 4 is not more than 1/3rd of the width of described magnetic shoe groove 3,
The spacing between two described second protuberances 7 in same described magnetic shoe groove 3 and described magnetic shoe groove 3
The difference of width not less than 5mm, the length of described inner side air gap 5 is not less than the external arc 21 of described magnetic conduction sheet 2
Radius 1/6th.
Concrete, the width of described magnetic shoe groove 3 and the thickness of described magnetic shoe are L1, described first protuberance 4
Width is L2, and the spacing between two described second protuberances 7 in same described magnetic shoe groove 3 is L3,
The a length of L4 of described inner side air gap 5, the radius of the external arc 21 of described magnetic conduction sheet 2 is R.
Preferably, L2=L1*1/3, L3=L1-(2mm～3mm)；L4=R*1/5.
By being matched with the thickness of magnetic shoe by the width of magnetic shoe groove 3, magnetic shoe groove 3 can be encased at magnetic shoe
Time interior, prevent magnetic shoe groove 3 in tangential direction from rocking, to increase the fixation to magnetic shoe, and convex by first
The width in portion 4 is set to 1/3rd of the width of magnetic shoe groove 3, then be to increase between air as far as possible
First protuberance 4 support strength to magnetic shoe is ensured while gap.
Embodiment of the present utility model additionally provides a kind of rotor, including rotor punching as above, rotor
The structure of punching can refer to Fig. 2 to 4 and above-described embodiment, and here is omitted.As it is shown in figure 5, turning
Being provided with magnetic shoe 8 in the magnetic shoe groove 3 of sub-punching, magnetic shoe 8 is near one end of connector 1 and the first protuberance 4
Top abuts, and the other end is limited by two the second protuberances 7 respectively.
In a preferred embodiment of the present utility model, the both sides of magnetic shoe 8 can also arrange protuberance, with
Reduce the contact area of magnetic shoe 8 and magnetic conduction sheet 2, and then formed more between magnetic shoe 8 and magnetic conduction sheet 2
The air gap.
Embodiment of the present utility model additionally provides a kind of motor, including rotor as above.The knot of rotor
Structure can refer to Fig. 5 and above-described embodiment, and here is omitted.
Know-why of the present utility model is described above in association with specific embodiment.These describe and are intended merely to solve
Release principle of the present utility model, and the restriction to this utility model protection domain can not be construed to by any way.
Based on explanation herein, those skilled in the art need not pay performing creative labour can associate this reality
By other novel detailed description of the invention, within these modes fall within protection domain of the present utility model.
Claims (10)
1. a rotor punching, it is characterised in that include connector ringwise and the week along described connector
To equally distributed magnetic conduction sheet, arranging magnetic shoe groove between adjacent described magnetic conduction sheet, described magnetic shoe groove is along described company
Radially extending of fitting, and have the bottom land of periphery near described connector, on described bottom land and be positioned at
The perimembranous of described connector is provided with the first protuberance.
Rotor punching the most according to claim 1, it is characterised in that inner side is set in described magnetic conduction sheet
Air gap, described inner side air gap radially extending along described connector, and described inner side air gap is near described connection
One end of part connects with magnetic shoe groove.
Rotor punching the most according to claim 2, it is characterised in that described magnetic conduction sheet passes through fixed part
It is connected with described connector, is provided with described inner side air gap in the both sides of described fixed part, in two described
Side air gap connects with two adjacent described magnetic shoe grooves respectively.
Rotor punching the most according to claim 2, it is characterised in that described magnetic shoe groove is semiclosed knot
Structure, its side relative with described bottom land arranges notch, and described notch is positioned at the external arc of described magnetic conduction sheet
At extended line.
Rotor punching the most according to claim 4, it is characterised in that the external arc two of described magnetic conduction sheet
Side is provided with the second protuberance, and two described second protuberances being positioned at same described magnetic shoe groove are that interval sets
Put, and form described notch between two described second protuberances.
Rotor punching the most according to claim 5, it is characterised in that the external arc of described magnetic conduction sheet is
Eccentric arc structure.
7. according to the rotor punching described in any one of claim 1 to 6, it is characterised in that described magnetic conduction sheet
The side of described magnetic shoe groove is provided with multiple 3rd protuberance.
Rotor punching the most according to claim 7, it is characterised in that multiple described 3rd protuberances are along even
The radially uniform distribution of fitting.
9. a rotor, it is characterised in that include the rotor punching as described in any one of claim 1 to 8.
10. a motor, it is characterised in that include rotor as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620405816.7U CN205753714U (en) | 2016-05-05 | 2016-05-05 | A kind of rotor punching, rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620405816.7U CN205753714U (en) | 2016-05-05 | 2016-05-05 | A kind of rotor punching, rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205753714U true CN205753714U (en) | 2016-11-30 |
Family
ID=57369928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620405816.7U Active CN205753714U (en) | 2016-05-05 | 2016-05-05 | A kind of rotor punching, rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205753714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978192A (en) * | 2016-05-05 | 2016-09-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor punching plate, rotor and motor |
-
2016
- 2016-05-05 CN CN201620405816.7U patent/CN205753714U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978192A (en) * | 2016-05-05 | 2016-09-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor punching plate, rotor and motor |
| CN105978192B (en) * | 2016-05-05 | 2018-11-13 | 珠海格力电器股份有限公司 | Rotor punching sheet, rotor and motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108923553A (en) | A kind of high power density permanent magnet motor | |
| CN107276272A (en) | Surface-mount type motor, surface-mount type rotor and stator | |
| CN108923560A (en) | A kind of interior permanent magnet machines | |
| CN208820568U (en) | Rotor punching, rotor core, rotor, brshless DC motor and broken wall cooking machine | |
| CN205753714U (en) | A kind of rotor punching, rotor and motor | |
| CN210041465U (en) | Rotor punching sheet and motor | |
| CN205883016U (en) | Brushless motor | |
| CN105978192A (en) | Rotor punching plate, rotor and motor | |
| CN110611386B (en) | Motor rotor, motor and compressor | |
| CN107222046A (en) | Tangential motor and tangential rotor | |
| CN104883024A (en) | Permanent magnet embedded rotor for direct current brushless motor | |
| CN207234555U (en) | Surface-mount type motor, surface-mount type rotor and stator | |
| CN202918078U (en) | Shaded pole motor one-piece punching sheet | |
| CN201781345U (en) | Arc magnet type direct current motor rotor | |
| CN203707896U (en) | Brushless motor stator | |
| CN102545437B (en) | High-intensity motor rotor body | |
| CN208337254U (en) | Motor stator punching sheet, motor stator and motor | |
| CN211958879U (en) | Motor stator punching sheet with small cogging torque | |
| CN208241417U (en) | A kind of high power density permanent magnet motor | |
| CN107453502B (en) | Motor rotor, motor and compressor | |
| CN207542888U (en) | Inner chip of motor and motor | |
| CN207134904U (en) | The dual-purpose machine rotor coil holder of electricity generation and electric welding | |
| CN201674310U (en) | End cap component and miniature motor | |
| CN218733484U (en) | Rotor structure of low-speed motor based on 18-slot stator and low-speed motor | |
| CN205647061U (en) | Combination formula motor stator and motor thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |