CN218183088U - Stator core structure of axial flux motor and axial flux motor - Google Patents
Stator core structure of axial flux motor and axial flux motor Download PDFInfo
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- CN218183088U CN218183088U CN202222475837.4U CN202222475837U CN218183088U CN 218183088 U CN218183088 U CN 218183088U CN 202222475837 U CN202222475837 U CN 202222475837U CN 218183088 U CN218183088 U CN 218183088U
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Abstract
The utility model discloses an axial magnetoelectric machine's stator core structure and axial flux motor, comprising an end plate, a plurality of yoke portion unit piece and a plurality of tooth portion unit piece, a plurality of yoke portion unit piece circumference interval is installed on the top surface of end plate, install a tooth portion unit piece between the yoke portion unit piece of two adjacent, the bottom of tooth portion unit piece is embedded into between the yoke portion unit piece of two adjacent, one section distance of axial protrusion yoke portion unit piece is followed at tooth portion unit piece top, the place that the both sides of yoke portion unit piece are close to the outward flange sets up outer dog, the place that the both sides of yoke portion unit piece are close to the inward flange sets up interior dog, tooth portion unit piece between the yoke portion unit piece of two adjacent is blocked by outer dog and interior dog, realize radial positioning. Even tooth portion unit block adopts the mode shaping of iron core towards the radial range upon range of pressure of piece, also is difficult loose under abominable operating mode, and can guarantee that motor operation in-process tooth portion can not take place to remove in radial direction, guarantees motor working property.
Description
The technical field is as follows:
the utility model relates to a stator core structure and axial flux motor of axial flux motor.
Background art:
axial flux machines, also known as disc machines, operate by coupling axial flux between a stator assembly and a rotor assembly.
Patent numbers: 202010131763.5, patent name: an axial flux motor stator and an axial flux permanent magnet synchronous motor disclose a stator core structure of an axial flux motor, which mainly comprises the following components: the axial flux motor stator comprises a bottom plate, stator teeth and a magnetic conduction block. The bottom plate is provided with an axial hole. The stator teeth are multiple and are arranged on the bottom plate at intervals in the circumferential direction around the periphery of the axial hole. The magnetic conduction blocks are correspondingly arranged in the interval between two adjacent stator teeth, the magnetic conduction blocks are fixedly connected with the bottom plate, and the magnetic conduction blocks are used for enabling the stator teeth to be positioned on the bottom plate. According to the axial flux motor stator, the bottom plate, the stator teeth and the magnetic conduction blocks can be independently produced and manufactured, and then the axial flux motor stator is assembled, so that the production difficulty can be reduced, and the production efficiency can be greatly improved. In addition, special winding equipment is not needed in the product manufacturing, and the manufacturing is convenient and simple. In addition, the requirements on manufacturing equipment and tooling dies are low. The part precision is high, and the structure is reliable.
However, the technical solution disclosed in the 202010131763.5 patent still has the following disadvantages: 1. stator tooth portion adopts the mode of radially overlying to form, and under abominable operating mode, stator tooth portion iron core towards the problem that the piece scatters appears easily. 2. Compared with the traditional winding, although the processing mode is simple, in the mounting structure, only the yoke part is connected with the stator end cover through the screw in the axial direction, only the axial positioning is performed between the tooth part and the yoke part, the tooth part is not radially positioned, and the tooth part can move in the radial direction in the running process of the motor to influence the performance of the motor.
The invention content is as follows:
the utility model aims at providing an axial flux motor's stator core structure and axial flux motor can solve among the prior art only axial positioning between tooth portion and the yoke portion, and tooth portion does not have radial positioning, and tooth portion probably takes place to remove in radial direction among the motor operation process, influences the technical problem of motor performance.
The purpose of the utility model is realized by the following technical proposal.
The utility model provides a stator core structure of axial flux motor, includes the end plate, a plurality of yoke portion unit piece and a plurality of tooth portion unit piece, a plurality of yoke portion unit piece circumference interval is installed on the top surface of end plate, install a tooth portion unit piece between the yoke portion unit piece of adjacent two, the bottom of tooth portion unit piece is embedded into between the yoke portion unit piece of adjacent two, tooth portion unit piece top is along one section distance of axial protrusion yoke portion unit piece, its characterized in that: the place that the both sides of yoke portion unit piece are close to the outward flange sets up outer dog, and the place that the both sides of yoke portion unit piece are close to the inward flange sets up interior dog, and tooth portion unit piece between two adjacent yoke portion unit pieces is blocked by outer dog and interior dog, realizes radial positioning.
The bottom of each yoke unit block is provided with a threaded hole, the position of the end plate, corresponding to the threaded hole in the bottom of the yoke unit block, is provided with a through hole, and the yoke unit block is installed on the top surface of the end plate by penetrating a screw through the through hole and screwing in the threaded hole.
The clamping pins extend out of two sides of the bottom end of the tooth unit block, the clamping grooves are formed in two sides of the bottom end of the yoke unit block, and the clamping pins are embedded into the clamping grooves to achieve axial positioning.
The end plate is annular.
The yoke unit block is formed by laminating a plurality of iron core punching sheets along the axial direction.
The tooth part unit block is formed by radially laminating a plurality of iron core punching sheets.
The yoke unit block comprises a plurality of first iron core stamped sheets positioned at the top and a plurality of second iron core stamped sheets positioned at the bottom, and the width of two sides of each first iron core stamped sheet is larger than that of two sides of each second iron core stamped sheet so as to form a clamping groove.
The utility model provides an axial flux motor, includes stator module and rotor subassembly, wherein stator module includes stator core and coil winding, its characterized in that: the stator core adopts the stator core structure of the axial flux motor.
Compared with the prior art, the utility model, following effect has:
1) The utility model provides an axial flux motor's stator core structure, including the end plate, a plurality of yoke portion unit piece and a plurality of tooth portion unit piece, a plurality of yoke portion unit piece circumference interval is installed on the top surface of end plate, install a tooth portion unit piece between the yoke portion unit piece of adjacent two, the place that the both sides of yoke portion unit piece are close to the outward flange sets up outer dog, the place that the both sides of yoke portion unit piece are close to the inward flange sets up interior dog, tooth portion unit piece between the yoke portion unit piece of adjacent two is blocked by outer dog and interior dog, realize radial positioning, even stator tooth portion adopts the mode shaping of radial pressure-superposed, under the radial oppression of outer dog and interior dog, also be difficult loose under abominable operating mode, and can guarantee that motor operation in-process tooth portion can not take place to remove in radial direction, guarantee motor working property.
2) Other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
fig. 1 is a perspective view of an angle of a first embodiment of the present invention;
fig. 2 is a perspective view of another angle of the first embodiment of the present invention;
fig. 3 is a perspective view of a yoke unit block and a tooth unit block of an embodiment of the present invention after being installed;
fig. 4 is a perspective view of an assembled angle of two yoke unit blocks and one tooth unit block according to a first embodiment of the present invention;
fig. 5 is a perspective view of another assembled angle of two yoke unit blocks and one tooth unit block according to the first embodiment of the present invention;
fig. 6 is an assembled bottom view of two yoke unit blocks and one tooth unit block according to a first embodiment of the present invention;
FIG. 7 isbase:Sub>A sectional view A-A of FIG. 6;
fig. 8 is a perspective view of a yoke unit block according to a first embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 8, the present embodiment provides a stator core structure of an axial flux motor, including an end plate 1, a plurality of yoke unit blocks 2 and a plurality of tooth unit blocks 3, the plurality of yoke unit blocks 2 are circumferentially installed on a top surface of the end plate 1 at intervals, one tooth unit block 3 is installed between two adjacent yoke unit blocks 2, bottoms of the tooth unit blocks 3 are embedded between two adjacent yoke unit blocks 2, and tops of the tooth unit blocks 3 axially protrude the yoke unit blocks 2 by a distance, and the stator core structure is characterized in that: outer stop blocks 23 are arranged at positions, close to the outer edge 22, of two sides of the yoke unit blocks 2, inner stop blocks 25 are arranged at positions, close to the inner edge 24, of two sides of the yoke unit blocks 2, tooth unit blocks 3 between every two adjacent yoke unit blocks 2 are clamped by the outer stop blocks 23 and the inner stop blocks 25, and radial positioning is achieved. Even tooth portion unit piece 3 adopts the mode shaping that the iron core punched piece radially folded, under the radial oppression of outer dog and interior dog, also is difficult loose under abominable operating mode, and can guarantee that motor operation in-process tooth portion can not take place to remove in radial direction, guarantees motor working property.
The bottom of each yoke unit block 2 is provided with a threaded hole 21, the end plate 1 is provided with a through hole 11 corresponding to the position of the threaded hole 21 at the bottom of the yoke unit block 2, and the yoke unit block 2 is installed on the top surface of the end plate 1 by utilizing a screw to penetrate through the through hole 11 and to be screwed into the threaded hole 21.
The clamping pins 31 extend out of two sides of the bottom end of the tooth unit block 3, the clamping grooves 26 are formed in two sides of the bottom end of the yoke unit block 2, the clamping pins 31 are embedded into the clamping grooves 26 to achieve axial positioning, and the motor is simple in structure and easy to manufacture.
The end plate 1 is ring-shaped.
The yoke unit block 2 is formed by axially laminating a plurality of iron core punching sheets.
The tooth part unit block 3 is formed by radially laminating a plurality of iron core punching sheets.
The yoke unit block 2 comprises a plurality of first iron core stamped sheets 26 positioned at the top and a plurality of second iron core stamped sheets 26 positioned at the bottom, and the width of two sides of each first iron core stamped sheet 26 is larger than that of each second iron core stamped sheet 27 to form a clamping groove 26, so that the structure is simple, and the manufacture is convenient.
The tooth unit block 3 is a cuboid after removing the clamping pins 31 on both sides of the bottom, the structure is simple, and the enameled wire of the coil winding wound on the tooth unit block 3 is very convenient.
Example two
This embodiment provides an axial flux motor, including stator module and rotor subassembly, wherein stator module includes stator core and coil winding, its characterized in that: the stator core adopts the stator core structure of the axial flux motor in the first embodiment. Tooth portion unit piece 3 between adjacent two yoke portion unit pieces 2 is blocked by outer dog 23 and interior dog 25, realizes radial positioning, even tooth portion unit piece 3 adopts the iron core to press the mode shaping of radially overlying, under the radial oppression of outer dog and interior dog, is difficult loose also under abominable operating mode, and can guarantee that motor operation in-process tooth portion can not take place to remove in radial direction, guarantees motor working property.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (9)
1. The utility model provides an axial flux motor's stator core structure, including end plate (1), a plurality of yoke portion unit piece (2) and a plurality of tooth portion unit piece (3), a plurality of yoke portion unit piece (2) circumference interval is installed on the top surface of end plate (1), install one tooth portion unit piece (3) between adjacent two yoke portion unit piece (2), the bottom of tooth portion unit piece (3) is embedded into between adjacent two yoke portion unit piece (2), one section distance of axial protrusion unit piece yoke portion (2) is followed at tooth portion unit piece (3) top, its characterized in that: outer stop blocks (23) are arranged at positions, close to outer edges (22), of two sides of the yoke unit blocks (2), inner stop blocks (25) are arranged at positions, close to inner edges (24), of two sides of the yoke unit blocks (2), and the tooth unit blocks (3) between the adjacent two yoke unit blocks (2) are clamped by the outer stop blocks (23) and the inner stop blocks (25), so that radial positioning is achieved.
2. The stator core structure of an axial flux motor according to claim 1, wherein: the bottom of each yoke unit block (2) is provided with a threaded hole (21), the end plate (1) is provided with a through hole (11) corresponding to the position of the threaded hole (21) in the bottom of the yoke unit block (2), and the yoke unit block (2) is installed on the top surface of the end plate (1) by penetrating a screw through the through hole (11) and screwing into the threaded hole (21).
3. The stator core structure of an axial flux motor according to claim 1 or 2, wherein: the two sides of the bottom end of the tooth unit block (3) extend out of clamping pins (31), the two sides of the bottom end of the yoke unit block (2) are provided with clamping grooves (26), and the clamping pins (31) are embedded into the clamping grooves (26) to achieve axial positioning.
4. The stator core structure of an axial flux motor according to claim 3, wherein: the end plate (1) is ring-shaped.
5. The stator core structure of an axial flux motor according to claim 4, wherein: the yoke unit block (2) is formed by laminating a plurality of iron core punching sheets along the axial direction.
6. The stator core structure of an axial flux motor according to claim 5, wherein: the tooth part unit block (3) is formed by radially laminating a plurality of iron core punching sheets.
7. The stator core structure of an axial flux motor according to claim 6, wherein: yoke portion unit piece (2) are including a plurality of first iron core towards piece (27) that are located the top and a plurality of second iron core towards piece (28) that are located the bottom, thereby the width of first iron core towards piece (27) both sides is big than the width of second iron core towards piece (28) both sides and forms draw-in groove (26).
8. The stator core structure of an axial flux motor according to claim 7, wherein: the tooth unit block (3) is a cuboid after the clamping feet (31) on two sides of the bottom are removed.
9. The utility model provides an axial flux motor, includes stator module and rotor subassembly, and wherein stator module includes stator core and coil winding, its characterized in that: the stator core adopts the stator core structure of the axial flux motor as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222475837.4U CN218183088U (en) | 2022-09-19 | 2022-09-19 | Stator core structure of axial flux motor and axial flux motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222475837.4U CN218183088U (en) | 2022-09-19 | 2022-09-19 | Stator core structure of axial flux motor and axial flux motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218183088U true CN218183088U (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222475837.4U Active CN218183088U (en) | 2022-09-19 | 2022-09-19 | Stator core structure of axial flux motor and axial flux motor |
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| Country | Link |
|---|---|
| CN (1) | CN218183088U (en) |
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- 2022-09-19 CN CN202222475837.4U patent/CN218183088U/en active Active
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