CN220874287U - Stator support and motor thereof - Google Patents
Stator support and motor thereof Download PDFInfo
- Publication number
- CN220874287U CN220874287U CN202322407246.8U CN202322407246U CN220874287U CN 220874287 U CN220874287 U CN 220874287U CN 202322407246 U CN202322407246 U CN 202322407246U CN 220874287 U CN220874287 U CN 220874287U
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- Prior art keywords
- stator
- main body
- bracket
- motor shaft
- steel sheet
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to a stator bracket and a motor thereof, comprising a bracket main body, wherein a motor shaft is integrally formed on the bracket main body; the bracket main body is sleeved with an annular stator steel sheet; a plurality of gaskets are arranged on the bracket main body, and the end parts of the gaskets are positioned on the side surfaces of the stator steel sheets; the support is characterized in that a plurality of mounting parts are arranged on the support body, a mounting groove is formed between the side face of the mounting part and the side face of the support body, a mounting hole is formed in the mounting groove, the gasket is located in the mounting groove, and the rod part of the screw penetrates through the gasket and is fixed in the mounting hole. Compared with the prior art, the motor shaft and the bracket main body are integrally formed, so that the coaxiality and the connection strength of the motor shaft and the bracket main body are ensured, the process is simple, the cost is reduced, the condition that the motor shaft and the bracket main body relatively shake is avoided, and the normal operation of the motor is ensured; the gasket is arranged on the bracket main body so as to limit the axial movement of the stator steel sheet.
Description
Technical Field
The utility model relates to a stator bracket and a motor thereof, and belongs to the technical field of electric vehicle motors.
Background
In the prior art, a hub motor for an electric vehicle comprises a stator, a rotor and a motor shaft, wherein the rotor is sleeved outside the stator. The stator comprises a stator core and windings, the stator core comprises a stator ring, a plurality of stator teeth radially distributed on the outer peripheral surface of the stator ring and a bracket positioned on the inner peripheral surface of the stator ring, and the windings are wound on the stator teeth. In the prior art, a bracket and a motor shaft are independently processed, a motor shaft hole is formed in the center of the bracket, and when the bracket and the motor shaft are installed, the motor shaft is usually required to be pressed into the motor shaft hole, and then the motor shaft and the bracket are fixed through screws, so that the installation is very troublesome, the installation time is long, and the cost is high; and the screw is easy to loosen, the installation strength is insufficient, the condition that the bracket and the motor shaft relatively shake easily occurs, and the coaxiality of the bracket and the motor shaft is influenced, so that the normal operation of the motor is influenced.
Disclosure of utility model
The utility model aims at overcoming the defects of the prior art and provides a stator bracket with a motor shaft and a bracket main body integrally formed and a motor thereof.
The technical scheme adopted for realizing the purpose is as follows:
a stator bracket comprises a bracket main body, wherein a motor shaft is integrally formed on the bracket main body.
As a further optimization of the above technical solution: the bracket main body is sleeved with an annular stator steel sheet.
As a further optimization of the above technical solution: the support body is last to be equipped with a plurality of gaskets, the tip of gasket is located the side of stator steel sheet.
As a further optimization of the above technical solution: the support is characterized in that a plurality of mounting parts are arranged on the support body, a mounting groove is formed between the side face of the mounting part and the side face of the support body, a mounting hole is formed in the mounting groove, the gasket is located in the mounting groove, and the rod part of the screw penetrates through the gasket and is fixed in the mounting hole.
As a further optimization of the above technical solution: the end part of the outer side surface of the bracket main body is provided with a positioning step protruding outwards, and the side surface of the stator steel sheet is contacted with the positioning step.
As a further optimization of the above technical solution: the support main body comprises an annular outer support, an inner support and a plurality of connecting blocks for connecting the outer support and the inner support, the motor shaft is located in the inner support, and the stator steel sheet is sleeved on the outer support.
As a further optimization of the above technical solution: the connecting block comprises a plurality of middle plates and side plates positioned on two sides of the middle plates, two ends of each side plate are respectively connected with the outer support and the inner support, and the end parts, close to the outer support, of the side plates are obliquely arranged.
As a further optimization of the above technical solution: the motor shaft is internally penetrated with a threading hole, the motor shaft is also provided with a connecting hole communicated with the threading hole, and the orifice of the connecting hole is positioned on the inner bracket.
As a further optimization of the above technical solution: the stator steel sheet comprises a connecting ring and a plurality of stator teeth radially distributed on the outer peripheral surface of the connecting ring, and windings are wound on the stator teeth.
The motor comprises the stator support in the technical scheme, and further comprises a magnetic conduction ring and a rim, wherein the outer peripheral surface of the magnetic conduction ring is fixed on the rim, a plurality of permanent magnets are arranged on the inner peripheral surface of the magnetic conduction ring, and the magnetic conduction ring is sleeved on the outer side of the stator steel sheet.
Compared with the prior art, the motor shaft and the bracket main body are integrally formed, so that the coaxiality and the connection strength of the motor shaft and the bracket main body are ensured, the process is simple, the cost is reduced, the condition that the motor shaft and the bracket main body relatively shake is avoided, and the normal operation of the motor is ensured; a gasket is arranged on the bracket main body so as to limit the axial movement of the stator steel sheet; the connecting block not only ensures the connection strength, but also can properly lighten the weight of the bracket main body and save the material cost.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of another angle of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description. As shown in fig. 1 and 2, a stator bracket comprises a bracket main body 1, and a motor shaft 2 is integrally formed on the bracket main body 1. The motor shaft 2 and the bracket main body 1 are integrally formed, so that the coaxiality and the connection strength of the motor shaft 2 and the bracket main body 1 are ensured, the process is simple, the cost is reduced, the condition that the motor shaft 2 and the bracket main body 1 shake relatively is avoided, and the normal operation of the motor is ensured.
The technical scheme is as follows: the bracket main body 1 comprises an annular outer bracket 11, an inner bracket 12 and a plurality of connecting blocks 13 for connecting the outer bracket 11 and the inner bracket 12, and the motor shaft 2 is positioned in the inner bracket 12.
The technical scheme is as follows: the connecting block 13 comprises a plurality of middle plates 131 and side plates 132 positioned on two sides of the middle plates 131, and two ends of the side plates 132 are respectively connected with the outer bracket 11 and the inner bracket 12. The end of the side plate 132 near the outer bracket 11 is inclined so that the end of the connecting block 13 approximates a splayed shape. The intermediate plate 131 improves the connection strength of the side plates 132, and the intermediate plate 131 allows a plurality of voids to exist in the connection block 13. The connecting block 13 is used for connecting the outer bracket 11 and the inner bracket 12, so that the weight of the bracket main body 1 is properly reduced and the material cost is saved on the premise of ensuring the connection strength.
The technical scheme is as follows: a threading hole 21 is formed in the motor shaft 2 in a penetrating manner, a connecting hole 22 communicated with the threading hole 21 is formed in the motor shaft 2, and an orifice of the connecting hole 22 is positioned on the inner bracket 12.
The technical scheme is as follows: the stator steel sheet 3 is sleeved on the outer bracket 11. As shown in fig. 2, the outer side of the outer bracket 11 is also formed with a positioning step 15 protruding outward at the end thereof. When the stator steel sheet 3 is installed, the annular stator steel sheet 3 is heated firstly to enlarge an inner hole of the annular stator steel sheet 3, then the outer bracket 11 is pressed into the stator steel sheet 3 until the side surface of the stator steel sheet 3 contacts with the positioning step 15, and the installation of the stator steel sheet 3 is completed, and at the moment, the stator steel sheet 3 and the outer bracket 11 are in interference fit. The positioning step 15 plays a role in positioning the mounting of the stator steel sheet 3. The outer bracket 11 is provided with a plurality of mounting portions 14, a mounting groove 141 is formed between the side surface of the mounting portion 14 and the side surface of the outer bracket 11, and the end portion of the mounting portion 14 protrudes from the inner circumferential surface of the outer bracket 11. The mounting groove 141 is formed with a mounting hole. The gasket 4 is arranged in the mounting groove 141, the rod part of the screw 5 passes through the gasket 4 and is fixed in the mounting hole, so that the gasket 4 is fixed on the bracket main body 1, at the moment, the end part of the gasket 4 is positioned on the side surface of the stator steel sheet 3, and the gasket 4 limits the axial movement of the stator steel sheet 3. The mounting groove 141 prevents the washer 4 and the cap of the screw 5 from protruding from the side of the bracket body 1, interfering with other structures on the motor.
The technical scheme is as follows: the stator steel sheet 3 includes a connection ring 31 and a plurality of stator teeth 32 radially distributed on the outer circumferential surface of the connection ring 31, and windings are wound on the stator teeth 32.
The motor comprises the stator support in the technical scheme, and further comprises a magnetic conduction ring and a rim, wherein the outer peripheral surface of the magnetic conduction ring is fixed on the rim, the inner peripheral surface of the magnetic conduction ring is provided with a plurality of permanent magnets, and the magnetic conduction ring is sleeved on the outer side of the stator steel sheet 3.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical schemes which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the technical personnel in the field according to the conception of the utility model are within the protection scope of the utility model.
Claims (10)
1. The stator bracket comprises a bracket main body (1) and is characterized in that a motor shaft (2) is integrally formed on the bracket main body (1).
2. A stator support according to claim 1, characterized in that the support body (1) is provided with annular stator steel sheets (3).
3. A stator support according to claim 2, characterized in that the support body (1) is provided with a number of shims (4), the ends of the shims (4) being located on the side of the stator steel sheet (3).
4. A stator support according to claim 3, characterized in that the support body (1) is provided with a plurality of mounting portions (14), a mounting groove (141) is formed between the side surface of the mounting portion (14) and the side surface of the support body (1), a mounting hole is formed in the mounting groove (141), the gasket (4) is located in the mounting groove (141), and the stem portion of the screw (5) passes through the gasket (4) and is fixed in the mounting hole.
5. A stator support according to claim 2, characterized in that the end of the outer side of the support body (1) is provided with an outwardly protruding positioning step (15), the side of the stator steel sheet (3) being in contact with the positioning step (15).
6. A stator frame according to claim 2, characterized in that the frame body (1) comprises an annular outer frame (11), an inner frame (12) and a plurality of connecting blocks (13) connecting the outer frame (11) and the inner frame (12), the motor shaft (2) is located in the inner frame (12), and the stator steel sheet (3) is sleeved on the outer frame (11).
7. A stator frame according to claim 6, characterized in that the connecting block (13) comprises a plurality of intermediate plates (131) and side plates (132) positioned at two sides of the intermediate plates (131), two ends of the side plates (132) are respectively connected with the outer frame (11) and the inner frame (12), and the end parts of the side plates (132) close to the outer frame (11) are arranged in an inclined manner.
8. A stator support according to claim 6, characterized in that a threading hole (21) is formed in the motor shaft (2), a connecting hole (22) communicated with the threading hole (21) is formed in the motor shaft (2), and an orifice of the connecting hole (22) is positioned on the inner support (12).
9. A stator support according to claim 2, characterized in that the stator steel sheet (3) comprises a connecting ring (31) and a plurality of stator teeth (32) radially distributed on the outer peripheral surface of the connecting ring (31), wherein the stator teeth (32) are wound with windings.
10. The motor comprises the stator bracket as claimed in any one of claims 2-9, and is characterized by further comprising a magnetic ring and a rim, wherein the outer peripheral surface of the magnetic ring is fixed on the rim, the inner peripheral surface of the magnetic ring is provided with a plurality of permanent magnets, and the magnetic ring is sleeved on the outer side of the stator steel sheet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407246.8U CN220874287U (en) | 2023-09-05 | 2023-09-05 | Stator support and motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407246.8U CN220874287U (en) | 2023-09-05 | 2023-09-05 | Stator support and motor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220874287U true CN220874287U (en) | 2024-04-30 |
Family
ID=90809446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322407246.8U Active CN220874287U (en) | 2023-09-05 | 2023-09-05 | Stator support and motor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220874287U (en) |
-
2023
- 2023-09-05 CN CN202322407246.8U patent/CN220874287U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |