CN220586047U - Motor with outer rotor structure - Google Patents
Motor with outer rotor structure Download PDFInfo
- Publication number
- CN220586047U CN220586047U CN202321992116.9U CN202321992116U CN220586047U CN 220586047 U CN220586047 U CN 220586047U CN 202321992116 U CN202321992116 U CN 202321992116U CN 220586047 U CN220586047 U CN 220586047U
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- Prior art keywords
- motor
- assembly
- rotor
- outer rotor
- structure according
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 8
- 229920006335 epoxy glue Polymers 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001212 derivatisation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a motor with an outer rotor structure, which comprises a rotor assembly and a stator assembly, wherein a steel ring and a plurality of magnetic shoes are arranged in the rotor assembly, the stator assembly is provided with a fixed shaft and a silicon steel sheet assembly, the fixed shaft penetrates through the silicon steel sheet assembly to extend to the outer side of the rotor assembly, the magnetic shoes are connected along the steel ring to form a circular installation cavity, and the silicon steel sheet assembly is arranged in the installation cavity. The stator component and the rotor component are of an integrated forming structure, so that the coaxiality of the rotor and the shell can be effectively improved, meanwhile, the assembly procedures of parts of the motor can be reduced, and the production efficiency can be improved. The rotor assembly load may be plastic or metal. For the structure made of plastic materials, the weight of the product is reduced, and the plastic has a good vibration reduction effect, so that the propagation of vibration is reduced, and the running noise of the product is reduced.
Description
Technical Field
The utility model relates to the field of motors, in particular to a motor with an outer rotor structure.
Background
The motor is used as an energy conversion device and has wide application in various transmissions. According to the relative positional relationship between the rotor and the stator, the motor may be classified into an inner rotor motor and an outer rotor motor. The outer rotor motor has the advantages of large rotational inertia, stable operation and the like, and is widely applied to various industries.
The shell and the rotor of the existing external rotor motor are generally designed in a separated mode, namely, the shell and the rotor are processed as separate two parts and then assembled or connected together; the housing is typically stamped and formed from sheet metal. Because of errors in part processing, the coaxiality, connection firmness and the like of the rotor and the shell are further improved; meanwhile, the assembly of the rotor and the shell is used as a key process, and the assembly is carried out after the processing of the two independent parts, so that the improvement of the production efficiency is not facilitated. The existing structure needs to be further optimized and improved.
Disclosure of Invention
The utility model solves the problems of error in part processing between the shell and the rotor and low production efficiency of the existing external rotor motor.
According to the technical scheme, the motor with the outer rotor structure comprises a rotor assembly and a stator assembly, wherein a steel ring and a plurality of magnetic shoes are arranged in the rotor assembly, the stator assembly is provided with a fixed shaft and a silicon steel sheet assembly, the fixed shaft penetrates through the silicon steel sheet assembly to extend to the outer side of the rotor assembly, the magnetic shoes are connected along the steel ring to form a circular installation cavity, and the silicon steel sheet assembly is arranged in the installation cavity.
Compared with the prior art, the utility model has the beneficial effects that: the stator component and the rotor component are of an integrated forming structure, so that the coaxiality of the rotor and the shell can be effectively improved, meanwhile, the assembly procedures of parts of the motor can be reduced, and the production efficiency can be improved. The rotor assembly load may be plastic or metal. For the structure made of plastic materials, the weight of the product is reduced, and the plastic has a good vibration reduction effect, so that the propagation of vibration is reduced, and the running noise of the product is reduced.
Drawings
Fig. 1 is a front view of a first embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a first embodiment of the present utility model;
FIG. 3 is an exploded view of a first embodiment of the present utility model;
fig. 4 is a front view of a second embodiment of the present utility model;
FIG. 5 is a cross-sectional view of a second embodiment of the present utility model;
fig. 6 is an exploded view of a second embodiment of the present utility model.
Reference numerals: a rotor assembly 10; a stator assembly 20; a steel ring 11; a magnetic shoe 12; a fixed shaft 21; a silicon steel sheet assembly 22; a mounting cavity 13; a steel ring fixing groove 101; a bearing fixing groove 102; a lower end cap fixing groove 103; a bearing 23; a lower end cap 24; a screw 25; a load connection port 104; and fan blades 105.
Detailed Description
As shown in fig. 1 to 6, a motor with an outer rotor structure includes a rotor assembly 10 and a stator assembly 20, wherein a steel ring 11 and a plurality of magnetic shoes 12 are provided in the rotor assembly 10, the stator assembly 20 has a fixed shaft 21 and a silicon steel sheet assembly 22, the fixed shaft 21 passes through the silicon steel sheet assembly 22 to extend to the outer side of the rotor assembly 10, the magnetic shoes 12 and the steel ring 11 are combined by glue, a plurality of magnetic shoes 12 are connected with the steel ring 11 to form a circular installation cavity 13, the silicon steel sheet assembly 22 is provided in the installation cavity 13, the stator assembly 20 and the rotor assembly 10 are in an integrated structure, so that the coaxiality of a rotor and a shell can be effectively improved, meanwhile, the component assembly process of the motor can be reduced, the production efficiency can be improved, and in the structure, the load of the rotor assembly 10 plays a role of the shell in the existing motor structure. The material of the rotor assembly 10 may be plastic or metal. For the structure made of plastic materials, the weight of the product is reduced, and the plastic has a good vibration reduction effect, so that the propagation of vibration is reduced, and the running noise of the product is reduced.
In specific implementation, the bonding glue between the steel ring 11 and the magnetic shoe 12 may be two-component acrylic acid (AB glue), one-component epoxy glue, two-component epoxy glue, etc. which may be used for metal connection, or may be formed with the rotor assembly 10 by an integral injection molding process. The material of the rotor assembly 10 is plastic, and may be, but not limited to, reinforced PA, PP, ABS with 10-30% glass fiber. The magnetic shoe 12 is arranged along the circumferential direction of the steel ring 11, the formed inner circular space is a stator installation space 13, the magnetic shoe 12 can be made of single magnetic steel, but not limited to annular ferrite magnetic rings, annular plastic magnetic rings and neodymium iron boron magnetic rings, and when the annular magnetic steel is used, the annular magnetic steel can be combined by using glue and can also be fixed in a manner of tightly matching the magnetic rings and the steel ring.
The rotor assembly 10 is provided with a steel ring fixing groove 101, the steel ring 11 is arranged in the steel ring fixing groove 101, the rotor assembly 10 is also provided with a bearing fixing groove 102 and a lower end cover fixing groove 103, a bearing 23 and a lower end cover 24 are sleeved outside the fixing shaft 21, the bearing 23 is arranged in the bearing fixing groove 102, the lower end cover 24 is arranged in the lower end cover fixing groove 103, the lower end cover 24 is in threaded connection with the edge of the lower end cover fixing groove 103 through a screw 25, so that the stator assembly 20 and the sealing function are achieved, the silicon steel sheet assembly 22 is formed by laminating a plurality of silicon steel sheets, a shaft hole is formed in the middle and is used for being connected with the fixing shaft 21, and bearings are arranged at two ends of the lamination along the axial direction.
The lower cap 24 is provided therein with a second bearing mounting groove in which the bearing 23 between the fixed shaft 21 and the lower cap 24 is disposed.
As shown in fig. 1 to 3, in a first embodiment of the rotor assembly, the rotor assembly 10 is configured as a flange structure, and a load connection port 104 is formed on the flange, and various loads can be installed and connected through the load connection port 104 to achieve different functions, and the connection between the load and the flange can be a bearing connection, a hinge connection or other connection modes.
As shown in fig. 4 to 6, a second embodiment of the rotor assembly is shown, the rotor assembly 10 is configured as an integrated wind wheel load type structure, a plurality of blades 105 are arranged at the edge of the rotor assembly 10, the load is integrally formed along the circumferential side, and the load can be simply not limited to the blades, and is used for realizing the function of driving or circulating air or the other functions.
The integrated structure can be used for multi-structure derivatization, firstly can be derivatized into a flange plate structure and used for later installation of other accessories, such as installation of a wind wheel for manufacturing a fan, the fan and a lamp can be added to be manufactured into a fan lamp, secondly can be used for an integrated wind wheel load, an air conditioner internal and external machine, a fan assembly and the like, the integrated wind wheel load can effectively reduce the volume, the structure is compact, and more installation space is reserved for the whole machine load.
The integrated structure can effectively improve the coaxiality of the rotor and the shell, also ensures that the rotor is more firmly connected with the shell, can reduce the assembly procedures of parts of the motor, improves the production efficiency, and is beneficial to controlling the material consumption and the cost.
The rotor assembly is arranged to be a flange plate or an integrated wind wheel load, and can be made of plastic or metal, so that the weight of a product can be reduced when the plastic is used, and the plastic has a good vibration reduction effect, and is beneficial to reducing the propagation of vibration and noise. When using the metal material, the installation intensity of ring flange is higher, and the deflection is littleer after the operation, is favorable to increasing the moment of inertia of motor after increasing the metal weight simultaneously.
Claims (10)
1. A motor with an outer rotor structure, characterized in that: including rotor subassembly (10) and stator subassembly (20), be equipped with steel ring (11) and a plurality of magnetic shoe (12) in this rotor subassembly (10), this stator subassembly (20) have fixed axle (21) and silicon steel sheet subassembly (22), this fixed axle (21) pass this silicon steel sheet subassembly (22) and extend to this rotor subassembly (10) outside, a plurality of this magnetic shoe (12) are connected along this steel ring (11) and are formed installation cavity (13), this silicon steel sheet subassembly (22) are located in this installation cavity (13).
2. The motor having an outer rotor structure according to claim 1, wherein: the rotor assembly (10) is arranged into a flange-type structure, and a load connection port (104) is formed in the flange.
3. The motor having an outer rotor structure according to claim 1, wherein: the rotor assembly (10) is arranged into an integrated wind wheel load type structure, and a plurality of fan blades (105) are arranged on the edge of the rotor assembly.
4. The motor having an outer rotor structure according to claim 1, wherein: the magnetic shoe (12) is combined with the steel ring (11) through glue.
5. The motor having an outer rotor structure according to claim 4, wherein: the bonding glue can be a double-component acrylic acid AB glue, a single-component epoxy glue, a double-component epoxy glue or a glue for metal connection.
6. The motor having an outer rotor structure according to claim 5, wherein: the magnetic shoe (12) can be made of annular ferrite magnetic rings, annular plastic magnetic rings or neodymium iron boron magnetic rings.
7. The motor having an outer rotor structure according to claim 1, wherein: a steel ring fixing groove (101) is formed in the rotor assembly (10), and the steel ring (11) is arranged in the steel ring fixing groove (101).
8. The motor having an outer rotor structure according to claim 7, wherein: the rotor assembly (10) is provided with a bearing fixing groove (102) and a lower end cover fixing groove (103), a bearing (23) and a lower end cover (24) are sleeved on the outer side of the fixed shaft (21), the bearing (23) is arranged in the bearing fixing groove (102), and the lower end cover (24) is arranged in the lower end cover fixing groove (103).
9. The motor having an outer rotor structure according to claim 8, wherein: the lower end cover (24) is connected with the edge of the lower end cover fixing groove (103) in a screwed manner through a screw (25).
10. The motor having an outer rotor structure according to claim 1, wherein: the silicon steel sheet component (22) is formed by stacking a plurality of silicon steel sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321992116.9U CN220586047U (en) | 2023-07-27 | 2023-07-27 | Motor with outer rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321992116.9U CN220586047U (en) | 2023-07-27 | 2023-07-27 | Motor with outer rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220586047U true CN220586047U (en) | 2024-03-12 |
Family
ID=90122233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321992116.9U Active CN220586047U (en) | 2023-07-27 | 2023-07-27 | Motor with outer rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220586047U (en) |
-
2023
- 2023-07-27 CN CN202321992116.9U patent/CN220586047U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |