CN209001700U - The fixed structure of rotor magnetic steel and turntable - Google Patents
The fixed structure of rotor magnetic steel and turntable Download PDFInfo
- Publication number
- CN209001700U CN209001700U CN201821947325.0U CN201821947325U CN209001700U CN 209001700 U CN209001700 U CN 209001700U CN 201821947325 U CN201821947325 U CN 201821947325U CN 209001700 U CN209001700 U CN 209001700U
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- turntable
- magnet steel
- mounting groove
- ring
- fixed structure
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Abstract
The utility model provides the fixed structure of a kind of rotor magnetic steel and turntable, including turntable and magnet steel, the end face of the turntable is equipped with mounting groove in a ring, and the magnet steel is in fan annular, the inner face of the magnet steel is located in the mounting groove, and the outer end face of the magnet steel stretches out the mounting groove；The turntable is equipped with the inner ring of the outer ring for limiting the magnet steel extrados and the limit magnet steel intrados, and the outer ring, the inner ring are connected with the turntable respectively.The utility model is equipped with mounting groove on the end face of turntable, magnet steel is mounted in mounting groove, and magnet steel is securely fixed in mounting groove by outer ring and inner ring, it forms based on mechanical compaction fixation, new structure supplemented by glue bonding, keep the connection of magnet steel and turntable more secured, disk operation stability is more preferable.
Description
Technical field
The utility model relates to electronics rotor fields, more particularly to the fixed structure of a kind of rotor magnetic steel and turntable.
Background technique
Disc type electric machine axial dimension is short, light-weight, small in size, compact-sized, suitable for being strict with the field of slim installation
It closes, magnet steel fixation has vital effect to motor even running and reliability.Traditional disk type electric motor rotor is most
Using surface-mount type structure, the magnet steel of this structure is pasted onto rotor surface, and since centrifugal force acts on, surface-mount type structure can not make electricity
The operation of machine excessively high speed, limits the maximum speed of motor, reduces the performance of motor.Magnet steel and rotor mostly use glue viscous
It closes, since neodymium-iron-boron ferromagnetism is stronger, the suction between two panels magnet steel turntable is larger, and motor operating temperature is high, revolving speed
The reasons such as fast, bonding magnetic steel situation is unsatisfactory, the case where being bonded loosely often occurs, reduces the qualification rate and production of product
Efficiency.
The patent document of notification number CN203289217U discloses a kind of disk type electric motor rotor, including rotor endcap, rotor iron
Core and permanent magnet and sheath, for covering rotor core and being fixedly connected with rotor core, rotor endcap is separate to be turned rotor endcap
The one side arching of sub- iron core is cyclic annular, and sheath is fixedly connected by being interference fitted with rotor endcap side wall and rotor core side wall；Rotor
The side wall of iron core is provided with several and is uniformly distributed the permanent magnet trough for being embedded in permanent magnet, permanent magnet be embedded in permanent magnet trough and with turn
Son is fixedly connected；Interior air gap hole is equipped between the side wall every two permanent magnet trough of rotor core, rotor endcap is equipped with several
A outer gas lyriform pore equal and matched with interior air gap hole number.The side wall of the patent rotor core is opened up for being embedded in permanent magnet
Permanent magnet trough, then rotor cover board and rotor core are fixed by screw, last sheath by interference connection and rotor cover board and
Rotor core is connected, although permanent magnet is embedded in permanent magnet trough, thermal diffusivity is poor.
Utility model content
The technical problem to be solved by the present invention is to provide the fixed structures of a kind of rotor magnetic steel and turntable, existing to overcome
There is the drawbacks described above of technology.
To achieve the above object, the utility model provides the fixed structure of a kind of rotor magnetic steel and turntable, including turntable and
Magnet steel, the end face of the turntable are equipped with mounting groove in a ring, and the magnet steel is located in fan annular, the inner face of the magnet steel
In the mounting groove, the outer end face of the magnet steel stretches out the mounting groove；The turntable, which is equipped with, limits the magnet steel extrados
Outer ring and the limit magnet steel intrados inner ring, the outer ring, the inner ring are connected with the turntable respectively.
Preferably, adjacent magnet steel is bonded by glue.
Preferably, the outer ring is connect by the first screw with the turntable, the inner ring pass through the second screw with it is described
Turntable connection.
Preferably, it is equipped with glue between first screw and the turntable, is equipped between second screw and the turntable
Glue.
Preferably, the inside of the outer ring extends to form the first flange for limiting the magnet steel extrados, institute towards magnet steel
The outside for stating inner ring extends to form the second flange for limiting the magnet steel intrados, first flange and described towards magnet steel
Two flanges are annular in shape.
Preferably, the radial section of the magnet steel is dovetail-shape, the inner wall of first flange, second flange it is outer
The dovetail groove with magnet steel cooperation is formed between the inner wall of wall and the mounting groove.
As described above, the utility model relates to rotor magnetic steel and turntable fixed structure, have the advantages that this
Utility model is equipped with mounting groove on the end face of turntable, and magnet steel is mounted in mounting groove, and passes through outer ring and inner ring for magnet steel
Be securely fixed in mounting groove, form with mechanical compaction it is fixed based on, new structure supplemented by glue bonding, make magnet steel with
The connection of turntable is more secured, and disk operation stability is more preferable.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the main view of the utility model.
Fig. 3 is sectional view along A-A in Fig. 2.
Fig. 4 is the enlarged drawing in Fig. 3 at B.
Fig. 5 is the schematic perspective view of turntable.
Fig. 6 is the cross-sectional view of turntable.
Fig. 7 is the enlarged drawing in Fig. 6 at C.
Fig. 8 is the schematic perspective view of magnet steel.
Fig. 9 is the side view of Fig. 8.
Component label instructions
1 turntable
11 mounting grooves
12 first screw holes
13 second screw holes
2 magnet steel
201 extrados
202 intrados
203 inner faces
204 outer end faces
3 outer rings
31 first screws
32 first flanges
4 inner ring
41 second screws
42 second flanges
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the utility model enforceable restriction item so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of appearance can cover.Meanwhile in this specification cited such as "upper", "lower", "left", "right", " centre " term,
It is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As shown in Figures 1 to 7, the utility model provides the fixed structure of a kind of rotor magnetic steel and turntable, including 1 He of turntable
Magnet steel 2, the end face of the turntable 1 are equipped with mounting groove 11 in a ring, and the magnet steel 2 is in fan annular.As shown in Figure 8 and Figure 9,
The contact surface of the magnet steel 2 and 11 slot bottom of mounting groove is defined as inner face 203 in the utility model, with inner face 203
Opposite other end is defined as outer end face 204, and the inner face 203 of the magnet steel 2 is located in the mounting groove 11, the magnet steel
2 outer end face 204 stretches out the mounting groove 11.As shown in Figures 1 to 7, the turntable 1, which is equipped with, limits 2 outer arc of magnet steel
The outer ring 3 in face and the inner ring 4 of limit 2 intrados of magnet steel, the outer ring 3, the inner ring 4 connect with the turntable 1 respectively
It connects, the magnet steel 2 is securely fixed in the mounting groove 11 of the turntable 1 by outer ring 3 and inner ring 4.
As depicted in figs. 1 and 2, it is preferable that adjacent magnet steel 2 is bonded by glue, and all bondings of magnet steel 2 form annular
Structure, when installation, first circlewise by all bondings of magnet steel 2, after then coating one layer of glue on the inner face 203 of magnet steel 2
It is placed in the mounting groove 11, then outer ring 3 and the turntable 1 are docked, inner ring 4 and the turntable 1 is docked.
As shown in Figures 1 to 6, it is preferable that the outer ring 3 passes through the first screw 31 and the first screw hole on the turntable 1
12 connect, and circumferentially arranged with 16 the first screw holes 12 on the turntable 1, correspondingly, first screw 31 is equipped with 16, pass through
16 screws reliably connect the outer ring 3 and the turntable 1；The inner ring 4 passes through on the second screw 41 and the turntable 1
The connection of the second screw hole 13, circumferentially arranged with 8 the second screw holes 13 on the turntable 1, correspondingly, second screw 41 is equipped with
8, the inner ring 4 and the turntable 1 are reliably connected by 8 screws.Preferably, first screw 31 with described turn
Glue is equipped between disk 1, when installation can uniformly apply epoxide-resin glue in the end of thread of the first screw 31, then connect the first screw 31
It connects in corresponding first screw hole 12, or is uniformly applied at countersunk head after the first screw 31 is connected to corresponding first screw hole 12
Epoxide-resin glue is into countersunk head embedment glue；Glue is equipped between second screw 41 and the turntable 1, when installation can be in the second spiral shell
The end of thread of nail 41 uniformly applies epoxide-resin glue, then the second screw 41 is connected in corresponding second screw hole 13, Huo Zhe
Second screw 41 uniformly applies epoxide-resin glue into countersunk head embedment glue after being connected to corresponding second screw hole 13 at countersunk head, to ring
It can adjust dynamic balancing after the solidification of oxygen resin glue, amount of unbalance is not more than 20mg.
As shown in Figure 6, it is preferable that the inside of the outer ring 3 extends to form limit 2 extrados of magnet steel towards magnet steel 2
The first flange 32, the outside of the inner ring 4 extends to form the second flange 42 for limiting 2 intrados of magnet steel towards magnet steel 2,
First flange 32 and second flange 42 are annular in shape, by first flange 32 and the second flange 42 by magnet steel 2
It is securely fixed in the mounting groove 11.Preferably, the radial section of the magnet steel 2 is dovetail-shape, first flange 32
Inner wall, ring-type with the magnet steel 2 cooperation is formed between the outer wall of second flange 42 and the inner wall of the mounting groove 11
Oat tail groove structure, make 2 annular array of magnet steel in dovetail groove.
Preferably, the turntable 1 of the utility model and inner ring 4, outer ring 3 are all made of 6061 aluminum alloy materials, and do anodization
Processing alleviates the quality of turntable, ensure that the performance of motor while guaranteeing turntable intensity.The invention patent is using mechanical
Fixed magnet steel is processed, and is assisted with glue, the connection of magnet steel and turntable is more secured, and disk operation stability is more preferable.
In conclusion the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (6)
1. the fixed structure of a kind of rotor magnetic steel and turntable, which is characterized in that including turntable (1) and magnet steel (2), the turntable
(1) end face is equipped with mounting groove (11) in a ring, and the magnet steel (2) is located in fan annular, the inner face of the magnet steel (2)
In the mounting groove (11), the outer end face of the magnet steel (2) stretches out the mounting groove (11)；The turntable (1) is equipped with limit
The inner ring (4) of the outer ring (3) of magnet steel (2) extrados and limit magnet steel (2) intrados, it is the outer ring (3), described
Inner ring (4) is connected with the turntable (1) respectively.
2. the fixed structure of rotor magnetic steel according to claim 1 and turntable, it is characterised in that: adjacent magnet steel (2) is logical
Cross glue bonding.
3. the fixed structure of rotor magnetic steel according to claim 2 and turntable, it is characterised in that: the outer ring (3) passes through
First screw (31) is connect with the turntable (1), and the inner ring (4) is connect by the second screw (41) with the turntable (1).
4. the fixed structure of rotor magnetic steel according to claim 3 and turntable, it is characterised in that: first screw (31)
It is equipped with glue between the turntable (1), glue is equipped between second screw (41) and the turntable (1).
5. the fixed structure of rotor magnetic steel according to claim 1 and turntable, it is characterised in that: the outer ring (3) it is interior
Side extends to form the first flange (32) for limiting magnet steel (2) extrados, the outside court of the inner ring (4) towards magnet steel (2)
The second flange (42) for limiting magnet steel (2) intrados, first flange (32) and described are extended to form to magnet steel (2)
Two flanges (42) are annular in shape.
6. the fixed structure of rotor magnetic steel according to claim 5 and turntable, it is characterised in that: the diameter of the magnet steel (2)
It is dovetail-shape to section, the outer wall and the mounting groove of the inner wall of first flange (32), second flange (42)
(11) dovetail groove with the magnet steel (2) cooperation is formed between inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947325.0U CN209001700U (en) | 2018-11-23 | 2018-11-23 | The fixed structure of rotor magnetic steel and turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947325.0U CN209001700U (en) | 2018-11-23 | 2018-11-23 | The fixed structure of rotor magnetic steel and turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209001700U true CN209001700U (en) | 2019-06-18 |
Family
ID=66807026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821947325.0U Active CN209001700U (en) | 2018-11-23 | 2018-11-23 | The fixed structure of rotor magnetic steel and turntable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209001700U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111181337A (en) * | 2020-02-26 | 2020-05-19 | 安徽美芝精密制造有限公司 | Rotor assembly, assembling method thereof, motor and electric vehicle |
| CN113437843A (en) * | 2021-07-09 | 2021-09-24 | 浙江盘毂动力科技有限公司 | Rotor structure based on neodymium iron boron magnetic steel and manufacturing method |
| CN114301206A (en) * | 2021-12-30 | 2022-04-08 | 王勇 | Disc type driving motor |
| DE102021210640A1 (en) | 2021-09-23 | 2023-03-23 | Rolls-Royce Deutschland Ltd & Co Kg | Magnetic device for an electric machine |
-
2018
- 2018-11-23 CN CN201821947325.0U patent/CN209001700U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111181337A (en) * | 2020-02-26 | 2020-05-19 | 安徽美芝精密制造有限公司 | Rotor assembly, assembling method thereof, motor and electric vehicle |
| CN113437843A (en) * | 2021-07-09 | 2021-09-24 | 浙江盘毂动力科技有限公司 | Rotor structure based on neodymium iron boron magnetic steel and manufacturing method |
| DE102021210640A1 (en) | 2021-09-23 | 2023-03-23 | Rolls-Royce Deutschland Ltd & Co Kg | Magnetic device for an electric machine |
| CN114301206A (en) * | 2021-12-30 | 2022-04-08 | 王勇 | Disc type driving motor |
| CN114301206B (en) * | 2021-12-30 | 2023-11-03 | 王勇 | Disk-type driving motor |
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