CN209250355U - A kind of embedded poly- magnet rotor - Google Patents
A kind of embedded poly- magnet rotor Download PDFInfo
- Publication number
- CN209250355U CN209250355U CN201821910853.9U CN201821910853U CN209250355U CN 209250355 U CN209250355 U CN 209250355U CN 201821910853 U CN201821910853 U CN 201821910853U CN 209250355 U CN209250355 U CN 209250355U
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- rotor core
- rotor
- main shaft
- magnet
- cover board
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of embedded poly- magnet rotors, it include main shaft, it further include having rotor core, magnet steel, connected pathways is provided in the middle part of the rotor core, the rotor core is provided with several through-holes around the connected pathways circumference array, the main shaft is interspersed in the connected pathways, connecting key is provided between the main shaft and the connected pathways, the outer wall of the rotor core is evenly arranged with several straight troughs along its circumferential direction, the magnet steel is interspersed in one by one in the straight trough, the both ends of the surface of the rotor core are provided with cover board, the cover board of the rotor core both ends of the surface is inter-connected via a bolt joint, the middle part of the bolt passes through the rotor core, the utility model reduces the quality of rotor, strengthen radiating rate, and mounting structure cooperation is easier.
Description
Technical field
The utility model relates to a kind of motors, more particularly to a kind of embedded poly- magnet rotor.
Background technique
In recent years, permanent magnet direct driving motor rapidly develops, and market demands are constantly promoted.But since motor diameter is big, volume, again
It measures huge, brings various problems to the design of motor, manufacturing process and transport installation, traditional rotor includes axis and be socketed on
Rotor outside axis, rotor are solid permanent magnet, cause whole weight larger, when in use, it is also necessary in two end caps of axis
Joint bearing, the whole length of motor are difficult to further reduce optimization, therefore reduction motor difficulty of processing and loss of weight are always to grind
Study carefully hot spot.
Utility model content
Technical problem to be solved by the utility model is: needing a kind of rotor, the quality and volume of motor can be effectively reduced,
Structure inside optimization.
The solution that the utility model solves its technical problem is: a kind of embedded poly- magnet rotor, includes main shaft, also
Include rotor core, magnet steel, connected pathways is provided in the middle part of the rotor core, the rotor core is around described through logical
Road circumference array is provided with several through-holes, and the main shaft is interspersed in the connected pathways, and the main shaft is with described through logical
Connecting key is provided between road, the outer wall of the rotor core is evenly arranged with several straight troughs, the magnet steel one along its circumferential direction
One is interspersed in the straight trough, and the central axes distance of the bottom surface of the straight trough to the connected pathways is minimum diameter, and described turn
The both ends of the surface of sub- iron core are provided with cover board, and the outer diameter of the cover board is greater than the minimum diameter, and the outer diameter of the cover board is less than
The cover board of the outer diameter of the rotor core, the rotor core both ends of the surface is inter-connected via a bolt joint, and is worn in the middle part of the bolt
Cross the rotor core.
The utility model provides a kind of embedded poly- magnet rotor, includes main shaft, further includes having rotor core, magnet steel, will
Connected pathways in the middle part of main shaft and rotor core cooperates, and connecting key is added between main shaft and rotor core, reinforces
The mating connection of main shaft and rotor core realizes that the two rotates synchronously, magnet steel is interspersed in straight trough, easy for installation, then is turning
The both ends of the surface of sub- iron core install cover board, and cover board is in contact with the end face of magnet steel, can be clamped to rotor core, magnet steel, bolt
Two cover plates are connected with each other across rotor core, so that overall structure is stronger, cover board, rotor core, magnet steel, main shaft can
It realizes and rotates synchronously, due to the through-hole structure on rotor core surface, can largely save material, reduce cost, and reduce weight, add
The big contact area of rotor core and air, enhances the radiating efficiency of motor, and overall structure is easy, and components are less,
Manufacturing process is opposite to be simplified, and therefore, the structure of rotor is optimized in the utility model, so that rotor is lighter,
It is also easier when installation, and overall structure is firm, it is stable.
As a further improvement of the above technical scheme, the bolt is provided with no less than one.
As a further improvement of the above technical scheme, one end of the main shaft is socketed with disk spring and retaining ring, described
Disk spring is set between the retaining ring and the rotor core.
As a further improvement of the above technical scheme, the position that the cover board corresponds to the through-hole is provided with aperture.
As a further improvement of the above technical scheme, the both ends of the main shaft are provided with bearing.
As a further improvement of the above technical scheme, the straight trough is along the length direction of the rotor core through described
Rotor core, the straight trough include open slot, the accommodating groove set gradually from outside to inside along the rotor core radial direction,
The open slot and the accommodating groove are interconnected, and the width of the open slot is less than the width of the accommodating groove, the magnet steel
It is interspersed in the accommodating groove.
As a further improvement of the above technical scheme, the rotor core includes several pieces of overlapped rotor punchings
Piece.
Beneficial effect using above-mentioned further scheme is: can be facilitated using disk spring and be adjusted axially distance, installed
When can one-pass molding, without extra process operations, when installation, is more convenient, and overall structure is easier.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the schematic diagram of internal structure of the utility model.
Fig. 2 is the perspective view of the utility model.
In figure: 1- main shaft, 2- rotor core, 3- magnet steel, 4- through-hole, 5- cover board, 6- bolt, 7- disk spring, 8- retaining ring,
9- aperture.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific implementation feelings
Condition, by adding or reducing connection auxiliary, Lai Zucheng more preferably connection structure.Each technical characteristic in the invention,
It can be with combination of interactions under the premise of not conflicting conflict.
Referring to Fig.1, a kind of Fig. 2, embedded poly- magnet rotor, includes main shaft 1, further includes having rotor core 2, magnet steel 3, institute
The middle part for stating rotor core 2 is provided with connected pathways, and the rotor core 2 is provided with several around the connected pathways circumference array
A through-hole 4, the main shaft 1 are interspersed in the connected pathways, are provided with connection between the main shaft 1 and the connected pathways
The outer wall of key, the rotor core 2 is evenly arranged with several straight troughs along its circumferential direction, and the magnet steel 3 is interspersed in described straight one by one
In slot, the central axes distance of the bottom surface of the straight trough to the connected pathways is minimum diameter, the both ends of the surface of the rotor core 2
It is provided with cover board 5, the outer diameter of the cover board 5 is greater than the minimum diameter, and the outer diameter of the cover board 5 is less than the rotor core
The cover board 5 of 2 outer diameter, 2 both ends of the surface of rotor core is connected with each other by bolt 6, and the middle part of the bolt 6 passes through described turn
Sub- iron core 2.
It can be seen from the above, the utility model provides a kind of embedded poly- magnet rotor, includes main shaft 1, further include having rotor
Iron core 2, magnet steel 3 cooperate the connected pathways of main shaft 1 and the middle part of rotor core 2, and main shaft 1 and rotor core 2 it
Between be added connecting key, reinforce the mating connection of main shaft 1 and rotor core 2, both realize synchronous rotation, magnet steel 3 is interspersed in directly
Easy for installation in slot, then install cover board 5 in the both ends of the surface of rotor core 2, cover board 5 is in contact with the end face of magnet steel 3, can to turn
Sub- iron core 2, magnet steel 3 are clamped, and bolt 6 passes through rotor core 2 and is connected with each other two cover plates 5, so that overall structure is more
Securely, cover board 5, rotor core 2, magnet steel 3, main shaft 1 can realize synchronous rotation, due to 4 structure of through-hole on 2 surface of rotor core,
Material can largely be saved, reduce cost, and reduce weight, increased the contact area of rotor core 2 Yu air, enhance motor
Radiating efficiency, and overall structure is easy, components are less, and manufacturing process is opposite to be simplified, and therefore, the utility model is to turning
The structure of son is optimized, so that rotor is lighter, when installation is also easier, and overall structure is firm, and operation is steady
It is fixed.
It is further used as preferred embodiment, the bolt 6 is provided with no less than one, it is preferred that may be provided with six
It is a, and it is uniformly distributed in the surface of cover board 5, so that cover board 5 is more uniformly stressed when connecting.
It is further used as preferred embodiment, one end of the main shaft 1 is socketed with disk spring 7 and retaining ring 8, the dish
Shape spring 7 is set between the retaining ring 8 and the rotor core 2, and disk spring 7 can be adjusted axially distance, and when installation can
One-pass molding, without extra process operations, different aiming at the problem that needs using different gaskets, retaining ring 8 can step up to tie
Being completely embedded property between structure.
It is further used as preferred embodiment, the position of the corresponding through-hole 4 of the cover board 5 is provided with aperture 9, makes
Hot-air in rotor core 2 directly passes through and sheds at aperture 9, further strengthen heat transfer effect.
It is further used as preferred embodiment, the both ends of the main shaft 1 are provided with bearing, by bearing to being connected to
The mechanism of main shaft 1 is driven.
It is further used as preferred embodiment, the straight trough turns along the length direction of the rotor core 2 through described
Sub- iron core 2, the straight trough include open slot, the accommodating groove set gradually from outside to inside along 2 radial direction of rotor core,
The open slot and the accommodating groove are interconnected, and the width of the open slot is less than the width of the accommodating groove, the magnet steel 3
It is interspersed in the accommodating groove, in rotation, due to the structure qualification of open slot, so that magnet steel 3 will not take off because of centrifugal force
From accommodating groove, and magnet steel 3 will not be deviate under the clamping action of cover board 5 and baffle at the both ends of accommodating groove.
It is further used as preferred embodiment, the rotor core 2 includes several pieces of overlapped rotor punchings,
Rotor core 2 is made by the way of laminating one by one with the rotor punching of integral type.
The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (7)
1. a kind of embedded poly- magnet rotor, includes main shaft (1), it is characterised in that: further include having rotor core (2), magnet steel
(3), connected pathways is provided in the middle part of the rotor core (2), the rotor core (2) is around the connected pathways circumference array
Several through-holes (4) are provided with, the main shaft (1) is interspersed in the connected pathways, the main shaft (1) and the connected pathways
Between be provided with connecting key, the outer wall of the rotor core (2) is evenly arranged with several straight troughs, the magnet steel along its circumferential direction
(3) it is interspersed in the straight trough one by one, the central axes distance of the bottom surface of the straight trough to the connected pathways is minimum diameter, institute
The both ends of the surface for stating rotor core (2) are provided with cover board (5), and the outer diameter of the cover board (5) is greater than the minimum diameter, the lid
The outer diameter of plate (5) is less than the outer diameter of the rotor core (2), and the cover board (5) of rotor core (2) both ends of the surface passes through bolt
(6) it is connected with each other, the middle part of the bolt (6) passes through the rotor core (2).
2. the embedded poly- magnet rotor of one kind according to claim 1, it is characterised in that: the bolt (6) is provided with much
In one.
3. the embedded poly- magnet rotor of one kind according to claim 1, it is characterised in that: the cover board (5) is corresponding described logical
The position in hole (4) is provided with aperture (9).
4. the embedded poly- magnet rotor of one kind according to claim 1, it is characterised in that: one end of the main shaft (1) is socketed
There are disk spring (7) and retaining ring (8), the disk spring (7) is set between the retaining ring (8) and the rotor core (2).
5. the embedded poly- magnet rotor of one kind according to claim 1, it is characterised in that: the both ends of the main shaft (1) are all provided with
It is equipped with bearing.
6. the embedded poly- magnet rotor of one kind according to claim 1, it is characterised in that: the straight trough is along the rotor core
(2) length direction runs through the rotor core (2), and the straight trough includes along the rotor core (2) radial direction by outer
To the interior open slot set gradually, accommodating groove, the open slot and the accommodating groove are interconnected, and the width of the open slot is small
In the width of the accommodating groove, the magnet steel (3) is interspersed in the accommodating groove.
7. the embedded poly- magnet rotor of one kind according to claim 1, it is characterised in that: the rotor core (2) includes
Several pieces of overlapped rotor punchings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910853.9U CN209250355U (en) | 2018-11-19 | 2018-11-19 | A kind of embedded poly- magnet rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910853.9U CN209250355U (en) | 2018-11-19 | 2018-11-19 | A kind of embedded poly- magnet rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209250355U true CN209250355U (en) | 2019-08-13 |
Family
ID=67529129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821910853.9U Active CN209250355U (en) | 2018-11-19 | 2018-11-19 | A kind of embedded poly- magnet rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209250355U (en) |
-
2018
- 2018-11-19 CN CN201821910853.9U patent/CN209250355U/en active Active
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