CN212751923U - Axial magnetic field motor - Google Patents
Axial magnetic field motor Download PDFInfo
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- CN212751923U CN212751923U CN202022111559.5U CN202022111559U CN212751923U CN 212751923 U CN212751923 U CN 212751923U CN 202022111559 U CN202022111559 U CN 202022111559U CN 212751923 U CN212751923 U CN 212751923U
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- stator
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Abstract
The utility model discloses an axial magnetic field motor, which comprises a stator, wherein the stator comprises a stator shell and a stator core fixed on the stator shell, and the stator shell is provided with an annular cylinder which is covered on the stator core and a cylinder bottom which is used for axially positioning one end of the stator core; the inner ring of the annular cylinder is provided with a limiting boss, the outer ring of the stator core is provided with a positioning boss matched with the limiting boss in an axial positioning mode, and the limiting boss and the positioning boss are fixed along the circumferential direction of the stator core through positioning pins. The utility model discloses an axial positioning cooperation of the spacing boss of stator housing inner circle and the location boss of stator core outer lane realizes the axial fixity of the relative stator housing in stator core to utilize the dowel to pass the pinhole that corresponds on spacing boss and the location boss, realize that the circumference of the relative stator housing in stator core is fixed. The pin holes on the positioning bosses on the outer ring of the stator core can be directly formed on the stator core in a pressing mode, so that the influence on the structural strength of the core is reduced; and the processing is convenient, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of electric machines, more specifically say, relate to an axial magnetic field motor.
Background
An SMC (Soft Magnetic Composite, abbreviation of Composite Soft Magnetic material) core is press-molded from powder. The stator core of the existing axial magnetic field motor is locked on the stator shell in a threaded connection mode, but a threaded hole is machined in the SMC core, so that the structural strength of the core can be influenced, the machining difficulty is high, and the cost is increased.
In summary, how to reduce the influence on the structural strength of the core when fixing the stator core is an urgent technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide an axial magnetic field motor to reduce the influence on the structural strength of an iron core when the stator core is fixed.
In order to achieve the above object, the utility model discloses a following technical scheme:
an axial magnetic field motor comprises a stator, wherein the stator comprises a stator shell and a stator core fixed on the stator shell, the stator shell is provided with an annular cylinder covered on the stator core and a cylinder bottom axially positioning one end of the stator core;
the stator core is characterized in that a limiting boss is arranged on the inner ring of the annular cylinder, a positioning boss matched with the limiting boss in an axial positioning mode is arranged on the outer ring of the stator core, and the limiting boss and the positioning boss are fixed along the circumferential direction of the stator core through positioning pins.
Preferably, in the axial magnetic field motor, the plurality of limiting bosses and the plurality of positioning bosses are uniformly distributed along the circumferential direction of the stator core and are arranged in a one-to-one correspondence manner.
Preferably, in the axial magnetic field motor, the positioning pin circumferentially fixes a part of the limiting boss and the positioning boss.
Preferably, in the axial magnetic field motor, the limiting boss and the positioning boss are rectangular blocks.
Preferably, in the axial magnetic field motor, the limiting boss and the annular cylinder are integrally formed.
Preferably, in the axial-field motor, the stator core is an SMC core.
Preferably, in the axial field motor, the stator housing and the stator core are connected by potting.
According to the above technical solution, the axial magnetic field motor of the present invention includes a stator, the stator includes a stator housing and a stator core fixed on the stator housing, the stator housing has an annular cylinder covered on the stator core and a cylinder bottom axially positioning one end of the stator core; the inner ring of the annular cylinder is provided with a limiting boss, the outer ring of the stator core is provided with a positioning boss matched with the limiting boss in an axial positioning mode, and the limiting boss and the positioning boss are fixed along the circumferential direction of the stator core through positioning pins.
The utility model discloses an axial positioning cooperation of the spacing boss of stator housing inner circle and the location boss of stator core outer lane realizes the axial fixity of the relative stator housing in stator core to utilize the dowel to pass the pinhole that corresponds on spacing boss and the location boss, realize that the circumference of the relative stator housing in stator core is fixed.
The pin holes on the positioning bosses on the outer ring of the stator core can be directly formed on the stator core in a pressing mode, so that the influence on the structural strength of the core is reduced; and the processing is convenient, and the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an assembly structure schematic diagram of a stator of an axial magnetic field motor disclosed in an embodiment of the present invention.
Detailed Description
The embodiment of the utility model discloses axial magnetic field motor can reduce the influence to iron core structural strength when fixed stator core.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an axial magnetic field motor disclosed in an embodiment of the present invention includes a stator, the stator includes a stator housing 3 and a stator core 1 fixed on the stator housing 3, the stator housing 3 has an annular cylinder covered on the stator core 1 and a cylinder bottom 31 axially positioning one end of the stator core 1; the inner ring of the annular cylinder is provided with a limiting boss 32, the outer ring of the stator core 1 is provided with a positioning boss 11 which is matched with the limiting boss 32 in an axial positioning mode, and the limiting boss 32 and the positioning boss 11 are fixed along the circumferential direction of the stator core 1 through a positioning pin 2.
The utility model discloses an axial positioning cooperation of the spacing boss 32 of 3 inner circles of stator housing and the location boss 11 of 1 outer lane of stator core realizes the axial fixity of 1 relative stator housing 3 of stator core to utilize dowel 2 to pass the pinhole that corresponds on spacing boss 32 and the location boss 11, realize that the circumference of 1 relative stator housing 3 of stator core is fixed.
The pin holes on the positioning bosses 11 on the outer ring of the stator core 1 can be directly formed on the stator core 1 in a pressing mode, so that the influence on the structural strength of the core is reduced; and the processing is convenient, and the cost is reduced.
Specifically, the annular cylinder of stator housing 3 of this application is circular, and convenient processing can be applicable to stator core 1's shape simultaneously, still reduces occupation space.
Preferably, the plurality of limiting bosses 32 and the plurality of positioning bosses 11 are uniformly distributed along the circumferential direction of the stator core 1 and are arranged in a one-to-one correspondence manner. During assembly, the limiting boss 32 and the positioning boss 11 are kept to be staggered, the stator core 1 is placed in the stator housing 3, the stator core 1 is abutted against the cylinder bottom 31 of the stator housing 3, and the positioning boss 11 can be positioned on one side of the limiting boss 32 close to the cylinder bottom 31; then, the stator core 1 is rotated, the positioning boss 11 of the outer ring of the stator core 1 is tightly attached to the limiting boss 32 of the inner ring of the stator shell 3, even if the limiting boss 32 and the positioning boss 11 are axially aligned, axial positioning of the two bosses is achieved, so that axial movement of the stator core 1 is limited, then, pins are assembled, the pins respectively penetrate through the limiting boss 32 and the positioning boss 11, the stator core 1 cannot move in the circumferential direction, and therefore fixed connection of the stator core 1 and the stator shell 3 is achieved.
The plurality of limiting bosses 32 are matched with the positioning bosses 11, so that the processing and the assembly are convenient. Of course, the limiting boss 32 and the positioning boss 11 may be both one, or one of them may be arranged along the entire circumferential direction.
In order to simplify the structure, the positioning pin 2 circumferentially fixes a part of the limit boss 32 and the positioning boss 11. This application only sets up the pinhole on partly boss, convenient processing. Specifically, this application sets up the pinhole on being two pairs of spacing bosss 32 and the location boss 11 that 180 degrees set up, only utilizes two dowel 2 this moment, has still simplified the assembly process. Of course, the pin holes may be provided in all the limiting bosses 32 and the positioning bosses 11.
In order to further simplify the structure, the limiting boss 32 and the positioning boss 11 are rectangular blocks. Of course, the limiting boss 32 and the positioning boss 11 may also have other shapes, such as a cylinder or an arc.
To further facilitate processing, the stop boss 32 is integrally formed with the annular cylinder. It will be appreciated that the stop boss 32 may also be bolted or welded into the annular cylinder.
In a specific embodiment, the stator core 1 is an SMC core, which has high saturation magnetic induction, reduced size of the motor, and improved power.
In order to further improve the fixing strength, the stator housing 3 and the stator core 1 are connected by potting. After passing locating pin 2 spacing boss 32 and location boss 11 respectively, carry out the embedment to stator housing 3 inside, make the clearance between stator housing 3 and the stator core 1 fill the colloid, further fixed the structural strength who increases whole subassembly simultaneously to stator core 1, the colloid has still increased stator core 1's radiating effect moreover.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An axial magnetic field motor comprises a stator, wherein the stator comprises a stator shell (3) and a stator core (1) fixed on the stator shell (3), and is characterized in that the stator shell (3) is provided with an annular cylinder covered on the stator core (1) and a cylinder bottom (31) axially positioning one end of the stator core (1);
the stator is characterized in that a limiting boss (32) is arranged on the inner ring of the annular cylinder, a positioning boss (11) matched with the limiting boss (32) in an axial positioning mode is arranged on the outer ring of the stator core (1), and the limiting boss (32) and the positioning boss (11) are fixed in the circumferential direction of the stator core (1) through positioning pins (2).
2. The axial magnetic field motor according to claim 1, wherein the plurality of limiting bosses (32) and the plurality of positioning bosses (11) are uniformly distributed along the circumferential direction of the stator core (1) and are arranged in a one-to-one correspondence.
3. An axial field machine according to claim 2, characterized in that the positioning pin (2) circumferentially fixes a part of the limit boss (32) and the positioning boss (11).
4. An axial field machine according to claim 3, characterized in that the limit boss (32) and the positioning boss (11) are both rectangular blocks.
5. An axial field electrical machine according to claim 1, wherein the limit boss (32) is integrally formed with the annular cylinder.
6. An axial field electrical machine according to claim 1, characterised in that the stator core (1) is an SMC core.
7. An axial field machine according to any of claims 1-6, characterized in that the stator housing (3) and the stator core (1) are connected by means of potting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022111559.5U CN212751923U (en) | 2020-09-23 | 2020-09-23 | Axial magnetic field motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022111559.5U CN212751923U (en) | 2020-09-23 | 2020-09-23 | Axial magnetic field motor |
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| Publication Number | Publication Date |
|---|---|
| CN212751923U true CN212751923U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022111559.5U Active CN212751923U (en) | 2020-09-23 | 2020-09-23 | Axial magnetic field motor |
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| CN (1) | CN212751923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039433A (en) * | 2021-10-18 | 2022-02-11 | 智新科技股份有限公司 | Shell stator assembly of flat wire motor and assembly method thereof |
-
2020
- 2020-09-23 CN CN202022111559.5U patent/CN212751923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039433A (en) * | 2021-10-18 | 2022-02-11 | 智新科技股份有限公司 | Shell stator assembly of flat wire motor and assembly method thereof |
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