CN221531090U - Slotless motor stator with convex rib structure and motor - Google Patents
Slotless motor stator with convex rib structure and motor Download PDFInfo
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- CN221531090U CN221531090U CN202322911670.6U CN202322911670U CN221531090U CN 221531090 U CN221531090 U CN 221531090U CN 202322911670 U CN202322911670 U CN 202322911670U CN 221531090 U CN221531090 U CN 221531090U
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- 239000011324 bead Substances 0.000 claims abstract description 23
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to the technical field of motors, in particular to a slotless motor stator with a convex edge structure and a motor, comprising a stator iron core, wherein the stator iron core is formed by sequentially connecting at least two stator chain blocks, each stator chain block comprises a chain block body, a first connecting end, a second connecting end and a convex edge block, the first connecting end and the second connecting end are respectively arranged at two sides of the chain block body, and a plurality of stator chain blocks are connected end to end through the first connecting ends and the second connecting ends; the bead piece sets up the periphery at the chain piece body. According to the utility model, the convex rib blocks are arranged on the chain block body and form a storage area of the motor through the convex rib blocks and the groove area, the assembly structure of the stator core and the motor shell is that the convex rib blocks of the stator core are matched with the inner ring of the motor shell for contact assembly, and the structure greatly reduces the assembly contact surface of the stator core and the motor shell, thereby being beneficial to reducing the assembly difficulty.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a slotless motor stator with a convex edge structure and a motor.
Background
The structural characteristics of the motor stator and the assembly process of the motor stator and the motor shell are all important development directions for guaranteeing the motor performance, stabilizing the mechanical structure and realizing automatic manufacturing. The traditional motor adopts a closed stator structure, the outer ring of the stator is of a full-circle structure, the assembly process adopted by the stator in the casing is sliding-in assembly, pressing-in assembly and hot jacket (freezing) assembly, the contact surface between the outer ring of the stator and the inner ring of the casing is large, the assembly difficulty is increased, the process is complex, and the automatic production is difficult to form, so that the production efficiency is extremely low.
Therefore, the motor stator and the assembly structure thereof which can simultaneously meet the requirements of high performance and low process cost are provided, and the motor stator and the assembly structure thereof have important significance in the field.
Disclosure of utility model
In order to solve the problems, the chain block body is provided with the convex rib blocks, the convex rib blocks and the groove areas form a storage area of the motor, the assembly structure of the stator core and the motor shell is that the convex rib blocks of the stator core are matched with the inner ring of the motor shell for contact assembly, the assembly contact surface of the stator core and the motor shell is greatly reduced, and the slotless motor stator with the convex rib structure and the motor are beneficial to reducing the assembly difficulty.
The technical scheme adopted by the utility model is as follows: the stator comprises a stator core, wherein the stator core is formed by sequentially connecting at least two stator chain blocks, each stator chain block comprises a chain block body, a first connecting end, a second connecting end and a convex rib block, the first connecting end and the second connecting end are respectively arranged on two sides of the chain block body, and a plurality of stator chain blocks are connected end to end through the first connecting ends and the second connecting ends; the bead piece sets up the periphery at the chain piece body.
The stator core is formed by sequentially connecting at least two stator chain blocks.
The stator chain block comprises an inner cambered surface and an outer cambered surface, and the convex rib block is arranged on the outer cambered surface.
The above scheme is further improved in that the first connecting end is provided with a connecting lug, the second connecting end is provided with a connecting groove, and at least two stator chain blocks are connected with the connecting groove through the connecting lug.
According to the scheme, the first contact surfaces are arranged on two sides of the first connecting end, which are located on the connecting convex blocks, the second contact surfaces are arranged on two sides of the second connecting end, which are located on the connecting concave grooves, and when the adjacent connecting convex blocks are connected with the connecting concave grooves, the first contact surfaces are abutted with the second contact surfaces.
In a further improvement of the above scheme, the first contact surface and the second contact surface take an axial tangential plane of the stator core as a plane or an inclined plane.
The technical scheme is further improved in that the first connecting end is provided with a first thickened part, and the first thickened part is arranged at the outer diameter of the chain block body; the second connecting end is provided with a second thickened portion, and the second thickened portion is arranged at the outer diameter of the chain block body.
The further improvement of above-mentioned scheme is, the bead piece sets up the central point of chain piece body external diameter puts, the length direction of bead piece is on a parallel with stator core's central axis, the bead piece is provided with the recess with the opposite one side of chain piece body external diameter.
A further improvement of the above solution further comprises a link block hinge for hinging the first connection end with the second connection end.
The motor comprises a slotless motor stator with a convex rib structure, wherein the motor is provided with a motor shell, and an inner ring of the motor shell is assembled with a convex rib block in a contact way.
The utility model has the beneficial effects that:
Compared with the existing motor stator, the slotless motor stator with the bead structure is particularly used for a high-speed motor, the bead blocks are arranged on the chain block body and form a storage area of the motor through the bead blocks and the groove areas, the assembly structure of the stator core and the motor shell is formed by the contact assembly of the bead blocks of the stator core and the inner ring of the motor shell, the assembly contact surface of the stator core and the motor shell is greatly reduced, the assembly difficulty is reduced, the assembly precision is improved, the assembly efficiency is further improved, and the productivity is further improved.
Drawings
FIG. 1 is a schematic perspective view of a stator of a slotless motor of the present utility model having a ribbed structure;
FIG. 2 is an exploded view of the stator of the slotless motor of FIG. 1 having a ribbed structure;
FIG. 3 is a schematic perspective view of a stator chain block of the stator of the slotless motor of FIG. 1 having a ribbed structure;
FIG. 4 is a perspective view of another view of a stator chain block of the stator of the slotless motor of FIG. 1 having a ribbed structure;
FIG. 5 is a schematic view of the stator of the slotless motor of FIG. 1 with a ribbed structure in an expanded state;
Fig. 6 is a schematic view of the slotless motor stator of fig. 1 with a ribbed structure in an expanded state from another view.
Reference numerals illustrate: the stator chain block 10, the chain block body 1, the first connecting end 2, the connecting convex block 21, the first contact surface 22, the first thickened part 23, the second connecting end 3, the connecting groove 31, the second contact surface 32, the second thickened part 33, the convex rib block 4, the groove 41, the intrados 5, the extrados 6 and the chain block hinge 7.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1 to 6, in one embodiment of the present utility model, a slotless motor stator with a bead structure is related, which includes a stator core, wherein the stator core is formed by sequentially connecting at least two stator chain blocks 10, the stator chain blocks 10 include a chain block body 1, a first connection end 2, a second connection end 3 and a bead block 4, the first connection end 2 and the second connection end 3 are respectively disposed at two sides of the chain block body 1, and a plurality of stator chain blocks 10 are connected end to end through the first connection end 2 and the second connection end 3; the rib blocks 4 are arranged on the outer circumferential surface of the chain block body 1. This embodiment is used for high-speed motor, has set up bead 4 on chain piece body 1 to become the storage area of motor through bead 4 and recess area, stator core and motor housing's assembly structure is stator core's bead 4 cooperation motor housing inner circle contact assembly, and this structure has reduced stator core and motor housing's assembly contact surface greatly, is favorable to reducing the assembly degree of difficulty, improves assembly precision, and then promotes assembly efficiency, thereby increases the productivity.
The stator core is formed by sequentially connecting at least two stator chain blocks 10, and in this embodiment, the annular stator core formed by a plurality of stator chain blocks 10 is adopted, so that the stator core is suitable for a high-speed motor. In various embodiments, a plurality of the modules may be sequentially connected in a row, and the same may be implemented.
The stator chain block 10 includes intrados 5 and extrados 6, bead piece 4 sets up on extrados 6, in this embodiment, sets up bead piece 4 on extrados 6 to even atress when stator core and motor housing equipment, the axle center counterpoint precision is high during the assembly, is favorable to promoting assembly efficiency.
The first connecting end 2 is provided with the connection lug 21, the second connecting end 3 is provided with the connection groove 31, and be connected with the connection groove 31 interconnect through connection lug 21 between two at least stator chain pieces 10, in this embodiment, connect the assembly through connection lug 21 and connection groove 31 mutually supporting, structural accuracy is high, convenient location assembly.
The first connecting ends 2 are provided with first contact surfaces 22 on two sides of the connecting convex blocks 21, the second connecting ends 3 are provided with second contact surfaces 32 on two sides of the connecting grooves 31, and when the adjacent connecting convex blocks 21 and the connecting grooves 31 are connected with each other, the first contact surfaces 22 are abutted with the second contact surfaces 32; further modified, the first contact surface 22 and the second contact surface 32 take the axial tangential plane of the stator core as a plane or an inclined plane; in this embodiment, the first contact surface 22 and the second contact surface 32 are in contact connection, so that adjacent stator chain blocks 10 are in contact to form a ring shape, further, according to different structures, planes and inclined planes can be selected, so that the connection stability and consistency can be ensured, the contact area of the inclined planes is larger, and the stability is better.
The first connecting end 2 is provided with a first thickened portion 23, and the first thickened portion 23 is arranged at the outer diameter of the chain block body 1; the second connecting end 3 is provided with a second thickened portion 33, the second thickened portion 33 is arranged at the outer diameter of the chain block body 1, in this embodiment, the thickened portion increases the connection stability and contact of two adjacent stator chain blocks 10, and the stability of the motor in the running process is ensured.
The rib block 4 is arranged at the center of the outer diameter of the chain block body 1, the length direction of the rib block 4 is parallel to the central axis of the stator core, and a groove 41 is arranged on one surface of the rib block 4 opposite to the outer diameter of the chain block body 1; the motor is arranged at the central position and parallel to the central axis, so that the stress is uniform during installation, the consistency is good, and the stability of the motor in the running process is further ensured.
Referring to fig. 5 to 6, the device further includes a chain block hinge 7, where the chain block hinge 7 is used to hinge the first connection end 2 and the second connection end 3, in this embodiment, the adjacent first connection end 2 and second connection end 3 are hinged by the chain block hinge 7, so that a plurality of connected chain block hinges form a ring-shaped or row-shaped structure, so as to ensure stability and reliability of connection between the two adjacent chain block hinges 7.
The motor comprises a slotless motor stator with a convex rib structure, wherein the motor is provided with a motor shell, and the inner ring of the motor shell is assembled with the convex rib blocks 4 in a contact way. Set up bead 4 on chain piece body 1 to become the storage area of motor through bead 4 and recess 41 region, stator core and motor housing's assembly structure is stator core's bead 4 cooperation motor housing inner circle contact assembly, and this structure has reduced stator core and motor housing's assembly contact surface greatly, is favorable to reducing the assembly degree of difficulty, thereby improves the productivity.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a take slotless motor stator of bead structure which characterized in that: the stator chain block comprises a chain block body, a first connecting end, a second connecting end and a convex rib block, wherein the first connecting end and the second connecting end are respectively arranged at two sides of the chain block body, and a plurality of stator chain blocks are connected end to end through the first connecting end and the second connecting end; the bead piece sets up the periphery at the chain piece body.
2. The ribbed slotless motor stator of claim 1 wherein: the stator core is formed by sequentially connecting at least two stator chain blocks.
3. The ribbed slotless motor stator of claim 1 wherein: the stator chain block comprises an inner cambered surface and an outer cambered surface, and the convex rib block is arranged on the outer cambered surface.
4. The ribbed slotless motor stator of claim 1 wherein: the first connecting end is provided with a connecting lug, the second connecting end is provided with a connecting groove, and at least two stator chain blocks are connected with the connecting groove through the connecting lug.
5. The ribbed slotless motor stator of claim 1 wherein: the first connecting ends are provided with first contact surfaces on two sides of the connecting convex blocks, the second connecting ends are provided with second contact surfaces on two sides of the connecting grooves, and when the adjacent connecting convex blocks are connected with the connecting grooves, the first contact surfaces are abutted with the second contact surfaces.
6. The ribbed slotless motor stator of claim 5 wherein: the first contact surface and the second contact surface take an axial tangential plane of the stator core as a plane or an inclined plane.
7. The ribbed slotless motor stator of claim 1 wherein: the first connecting end is provided with a first thickened part which is arranged at the outer diameter of the chain block body; the second connecting end is provided with a second thickened portion, and the second thickened portion is arranged at the outer diameter of the chain block body.
8. The ribbed slotless motor stator of claim 1 wherein: the bead piece sets up the central point of chain piece body external diameter and puts, the length direction of bead piece is on a parallel with stator core's central axis.
9. The ribbed slotless motor stator of claim 1 wherein: the chain block hinge is used for hinging the first connecting end with the second connecting end, and a groove is formed in one surface of the convex rib block, which is opposite to the outer diameter of the chain block body.
10. An electric motor, characterized in that: a slotless motor stator comprising a ribbed structure according to any one of claims 1 to 9, said motor being provided with a motor housing, an inner ring of said motor housing being assembled in contact with the rib blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322911670.6U CN221531090U (en) | 2023-10-27 | 2023-10-27 | Slotless motor stator with convex rib structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322911670.6U CN221531090U (en) | 2023-10-27 | 2023-10-27 | Slotless motor stator with convex rib structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221531090U true CN221531090U (en) | 2024-08-13 |
Family
ID=92178786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322911670.6U Active CN221531090U (en) | 2023-10-27 | 2023-10-27 | Slotless motor stator with convex rib structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221531090U (en) |
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2023
- 2023-10-27 CN CN202322911670.6U patent/CN221531090U/en active Active
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