CN209233587U - A kind of hollow rotor - Google Patents
A kind of hollow rotor Download PDFInfo
- Publication number
- CN209233587U CN209233587U CN201821910852.4U CN201821910852U CN209233587U CN 209233587 U CN209233587 U CN 209233587U CN 201821910852 U CN201821910852 U CN 201821910852U CN 209233587 U CN209233587 U CN 209233587U
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- rotor core
- outer ring
- rotor
- axle sleeve
- hollow
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Abstract
The utility model discloses a kind of hollow rotors, it include main shaft, it further include having hollow shaft, whole tubular rotor core, magnet steel, the hollow shaft includes axle sleeve, annular plate, outer ring, the length of the axle sleeve is less than the length of the outer ring, the surface of the annular plate is provided with several through-holes around the axle sleeve circumference array, the main shaft and the axle sleeve, which cooperate, to be connected, the rotor core is socketed on the outer ring outer wall, 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 bottom surface of the rotor core is provided with baffle, the top surface of the rotor core is provided with cover board, the cover board is fixedly connected on the top surface of the outer ring, the utility model effectively reduces the quality of rotor, volume, realize the optimization in structure, it mentions High overall utility.
Description
Technical field
The utility model relates to a kind of motor more particularly to a kind of hollow rotors.
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: need a kind of hollow rotor, can effectively reduce motor quality and
Volume realizes the optimization in structure.
The solution that the utility model solves its technical problem is: a kind of hollow rotor includes main shaft, further includes having
Hollow shaft, whole tubular rotor core, magnet steel, the hollow shaft includes axle sleeve, annular plate, outer ring, the annular
The inner face of floor is connected to the lateral surface of the axle sleeve, and the outer end face of the annular plate is connected to the inside of the outer ring
Face, the length of the axle sleeve are less than the length of the outer ring, and the surface of the annular plate is arranged around the axle sleeve circumference array
There are several through-holes, the main shaft and the axle sleeve, which cooperate, to be connected, and the rotor core is socketed on the outer ring outer wall, institute
It states and is provided with connecting key between rotor core and the outer ring, the connecting key is fixedly connected on the circumferential rib by screw
The outer wall of plate, the rotor core is evenly arranged with several straight troughs along its circumferential direction, and the magnet steel is provided with several, the magnetic
Steel is interspersed in one by one in the straight trough, and the bottom surface of the rotor core is provided with baffle, and the top surface of the rotor core is provided with
Cover board, the cover board are fixedly connected on the top surface of the outer ring.
The utility model provides a kind of hollow rotor, includes main shaft, hollow shaft, whole tubular rotor core, magnetic
Steel, hollow shaft include axle sleeve, outer ring, are connected with each other between axle sleeve and outer ring by annular plate, the axis of axle sleeve and outer ring
Line overlaps, and the length of axle sleeve is less than the length of outer ring, and is evenly arranged on the surface of annular plate along axle sleeve for the center of circle
Several through-holes, then rotor core is socketed on to the outer wall of outer ring, also by connection key connection between hollow shaft and rotor core,
So that hollow shaft can be rotated synchronously with rotor core, connecting key also passes through screw and is driven into fixation in the annular plate of hollow shaft,
Reinforce positioning, since rotor is made into hollow structure, can largely save material, reduce cost, and reduce weight, increase rotor
The contact area of iron core and air enhances the radiating efficiency of motor, if bearing to be mounted on to the both ends of main shaft, bearing can be deep
Enter into hollow shaft, reduce the distance between two bearings, can effectively reduce the length of motor, has been obtained in structure well
Optimization, for being applied in different mechanical structure, it is equal to be interspersed in rotor core outer wall by advantage on more possessive volume for magnet steel
In the straight trough of even setting, when installation, is very convenient, the bottom surface of rotor core is provided with baffle, top surface is provided with cover board, passes through
The clamping action of baffle and cover board may make the connection cooperation of rotor core and hollow shaft, magnet steel even closer, therefore, this reality
It being optimized with the novel rotor structure to motor, effectively reduces the weight and length of motor, when use, is lighter, by
In the volume-diminished of motor, so that its application range is wider, practicability is stronger.
As a further improvement of the above technical scheme, the rotor core includes several pieces of overlapped rotor punchings
Piece.
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 bottom end outer wall of the outer ring is provided with the shaft shoulder, and the baffle is set
It is placed between the shaft shoulder and the rotor core.
As a further improvement of the above technical scheme, the both ends of the main shaft are provided with bearing.
Beneficial effect using above-mentioned further scheme is: it is more convenient during installation, and cooperate between structure closely,
It is more stable when operation.
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- hollow shaft, 3- axle sleeve, 4- annular plate, 5- outer ring, 6- rotor core, 7- connecting key, 8-
Screw, 9- magnet steel, 10- baffle, 11- cover board, the 12- shaft shoulder.
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, Fig. 2, a kind of hollow rotor include main shaft 1, further include having hollow shaft 2, whole tubular rotor
Iron core 6, magnet steel 9, the hollow shaft 2 include axle sleeve 3, annular plate 4, outer ring 5, the inner face connection of the annular plate 4
In the lateral surface of the axle sleeve 3, the outer end face of the annular plate 4 is connected to the medial surface of the outer ring 5, the axle sleeve 3
Length is less than the length of the outer ring 5, and the surface of the annular plate 4 is provided with several around 3 circumference array of axle sleeve and leads to
Hole, the main shaft 1 cooperates with the axle sleeve 3 to be connected, and the rotor core 6 is socketed on 5 outer wall of outer ring, the rotor
Connecting key 7 is provided between iron core 6 and the outer ring 5, the connecting key 7 is fixedly connected on the annular plate by screw 8
4, the outer wall of the rotor core 6 is evenly arranged with several straight troughs along its circumferential direction, and the magnet steel 9 is provided with several, described
Magnet steel 9 is interspersed in one by one in the straight trough, and the bottom surface of the rotor core 6 is provided with baffle 10, the top surface of the rotor core 6
It is provided with cover board 11, the cover board 11 is fixedly connected on the top surface of the outer ring 5.
It can be seen from the above, the utility model provides a kind of hollow rotor, includes main shaft 1, hollow shaft 2, is integrally cylindrical in shape
Rotor core 6, magnet steel 9, hollow shaft 2 includes axle sleeve 3, outer ring 5, mutual by annular plate 4 between axle sleeve 3 and outer ring 5
Connection, axle sleeve 3 and the central axes of outer ring 5 overlap, and the length of axle sleeve 3 is less than the length of outer ring 5, and in annular plate 4
Surface is that the center of circle is evenly arranged with several through-holes, then rotor core 6 is socketed on to the outer wall of outer ring 5, hollow shaft 2 along axle sleeve 3
It is also connect by connecting key 7 between rotor core 6, so that hollow shaft 2 can be rotated synchronously with rotor core 6, likewise, can be
It is connected by key between main shaft 1 and axle sleeve 3, reinforces rotating synchronously stability, connecting key 7 is also driven into hollow shaft 2 by screw 8
Annular plate 4 in it is fixed, reinforce positioning, since rotor is made into hollow structure, can largely save material, reduce cost, and
Weight is reduced, the contact area of rotor core 6 Yu air is increased, enhances the radiating efficiency of motor, if bearing is mounted on
When the both ends of main shaft 1, bearing can be deep into hollow shaft 2, reduced the distance between two bearings, be can effectively reduce motor
Length has obtained good optimization in structure, and for being applied in different mechanical structure, advantage on more possessive volume will
Magnet steel 9 is interspersed in the straight trough that 6 outer wall of rotor core is uniformly arranged, and when installation is very convenient, and the bottom surface of rotor core 6 is arranged
There is baffle 10, top surface is provided with cover board 11, and cover board 11 can be bolted, and bolt passes through cover board 11 and is driven into rotor core
In 6, likewise, baffle 10 can also be anchored on rotor core 6 by screw 8, by the clamping action of baffle 10 and cover board 11,
It may make rotor core 6 and the connection cooperation of hollow shaft 2, magnet steel 9 even closer, therefore, rotor of the utility model to motor
Structure is optimized, and effectively reduces the weight and length of motor, and when use is lighter, due to the volume-diminished of motor,
So that its application range is wider, practicability is stronger.
It is further used as preferred embodiment, the rotor core 6 includes several pieces of overlapped rotor punchings,
Rotor core 6 is made by the way of laminating one by one with the rotor punching of integral type.
It is further used as preferred embodiment, the straight trough turns along the length direction of the rotor core 6 through described
Sub- iron core 6, the straight trough include open slot, the accommodating groove set gradually from outside to inside along 6 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 9
It is interspersed in the accommodating groove, in rotation, due to the structure qualification of open slot, so that magnet steel 9 will not take off because of centrifugal force
From accommodating groove, and magnet steel 9 will not be deviate under the clamping action of cover board 11 and baffle 10 at the both ends of accommodating groove.
It is further used as preferred embodiment, the bottom end outer wall of the outer ring 5 is provided with the shaft shoulder 12, and the baffle 10 is set
It is placed between the shaft shoulder 12 and the rotor core 6, baffle 10 can be in the phase of the shaft shoulder 12, whole tubular rotor core 6
It is fixed under mutual clamping action, it does not need to reuse the connectors such as bolt, screw 8 and fix.
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, and bearing can be directly arranged in hollow shaft 2, effectively reduces the length of motor.
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 (5)
1. a kind of hollow rotor includes main shaft (1), it is characterised in that: further include having hollow shaft (2), tubular turn of entirety
Sub- iron core (6), magnet steel (9), the hollow shaft (2) include axle sleeve (3), annular plate (4), outer ring (5), the annular plate
(4) inner face is connected to the lateral surface of the axle sleeve (3), and the outer end face of the annular plate (4) is connected to the outer ring (5)
Medial surface, the length of the axle sleeve (3) is less than the length of the outer ring (5), and the surface of the annular plate (4) is around the axis
Set (3) circumference array is provided with several through-holes, and the main shaft (1) and the axle sleeve (3), which cooperate, to be connected, the rotor iron
Core (6) is socketed on the outer ring (5) outer wall, and connecting key (7), institute are provided between the rotor core (6) and the outer ring (5)
It states connecting key (7) to be fixedly connected on the annular plate (4) by screw (8), the outer wall of the rotor core (6) is along its circumferential direction
Several straight troughs are evenly arranged with, the magnet steel (9) is provided with several, and the magnet steel (9) is interspersed in one by one in the straight trough,
The bottom surface of the rotor core (6) is provided with baffle (10), and the top surface of the rotor core (6) is provided with cover board (11), described
Cover board (11) is fixedly connected on the top surface of the outer ring (5).
2. a kind of hollow rotor according to claim 1, it is characterised in that: the rotor core (6) includes several pieces
Overlapped rotor punching.
3. a kind of hollow rotor according to claim 1, it is characterised in that: the straight trough is along the rotor core (6)
Length direction run through the rotor core (6), the straight trough include along the rotor core (6) radial direction from outside to inside according to
Open slot, the accommodating groove of secondary setting, the open slot and the accommodating groove are interconnected, and the width of the open slot is less than described
The width of accommodating groove, the magnet steel (9) are interspersed in the accommodating groove.
4. a kind of hollow rotor according to claim 1, it is characterised in that: the bottom end outer wall of the outer ring (5) is provided with
The shaft shoulder (12), the baffle (10) are set between the shaft shoulder (12) and the rotor core (6).
5. a kind of hollow rotor according to claim 1, it is characterised in that: the both ends of the main shaft (1) are provided with axis
It holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910852.4U CN209233587U (en) | 2018-11-19 | 2018-11-19 | A kind of hollow rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910852.4U CN209233587U (en) | 2018-11-19 | 2018-11-19 | A kind of hollow rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209233587U true CN209233587U (en) | 2019-08-09 |
Family
ID=67503680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821910852.4U Active CN209233587U (en) | 2018-11-19 | 2018-11-19 | A kind of hollow rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209233587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787458A (en) * | 2019-11-05 | 2021-05-11 | 信浓绢糸株式会社 | Screw device |
-
2018
- 2018-11-19 CN CN201821910852.4U patent/CN209233587U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787458A (en) * | 2019-11-05 | 2021-05-11 | 信浓绢糸株式会社 | Screw device |
| CN112787458B (en) * | 2019-11-05 | 2024-01-09 | 信浓绢糸株式会社 | Screw device |
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