CN216981661U - Assembly structure of switched reluctance motor stator and end cover - Google Patents
Assembly structure of switched reluctance motor stator and end cover Download PDFInfo
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- CN216981661U CN216981661U CN202220103143.5U CN202220103143U CN216981661U CN 216981661 U CN216981661 U CN 216981661U CN 202220103143 U CN202220103143 U CN 202220103143U CN 216981661 U CN216981661 U CN 216981661U
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Abstract
The utility model provides an assembly structure of a switched reluctance motor stator and an end cover, which comprises a left end cover, a stator assembly and a right end cover which are sequentially arranged, wherein a first bolt hole and a first positioning column are arranged on the left end cover, a second bolt hole and a second positioning column are arranged on the right end cover, the stator assembly comprises a stator framework and a stator iron core, the stator iron core is arranged on the stator framework, a connecting hole and a positioning hole which penetrate through the stator iron core from left to right are formed in the stator iron core, and when two ends of the positioning hole are respectively connected with the first positioning column and the second positioning column, the first bolt hole, the connecting hole and the second bolt hole correspond to each other. By adopting the assembly structure, the motor end cover is tightly matched with the stator core and the rotor, the air gap precision is improved, the relative positions of the stator and the rotor of the motor are maintained, the stator and the rotor are not easy to move relatively, the air gap uniformity is ensured, and meanwhile, the performance and the service life of the motor are improved.
Description
Technical Field
The utility model relates to the field of reluctance motors, in particular to an assembling structure of a switched reluctance motor stator and an end cover.
Background
The switched reluctance motor has the advantages of simple structure, reliable performance, wide speed regulation range, high output and efficiency in wide rotating speed and power range, and wide application in the fields of electric vehicles, mechanical manufacturing equipment, aeromachinery and the like. The motor air gap is a place for exchanging mechanical energy and electric energy, and the uniformity of the motor air gap is crucial to the normal operation of the switched reluctance motor, so that the precision of the relative position of a motor stator and a motor rotor has great influence on the performance and the service life of the motor, and the problem that the assembly precision of an end cover and a stator part of the reluctance motor on the market is poor at present.
For this reason, further improvements thereof are necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems and provides an assembling structure of a switched reluctance motor stator and an end cover, which can improve the matching precision of the end cover and the stator and improve the air gap precision.
In order to achieve the purpose, the utility model provides an assembly structure of a switched reluctance motor stator and an end cover, which comprises a left end cover, a stator assembly and a right end cover which are sequentially arranged, wherein a first bolt hole and a first positioning column are arranged on the left end cover, a second bolt hole and a second positioning column are arranged on the right end cover, the stator assembly comprises a stator framework and a stator iron core, the stator iron core is arranged on the stator framework, a connecting hole and a positioning hole which penetrate through the stator iron core from left to right are formed in the stator iron core, and when two ends of the positioning hole are respectively connected with the first positioning column and the second positioning column, the first bolt hole, the connecting hole and the second bolt hole correspond to each other.
In one or more embodiments, the first positioning column is arranged outside the first bolt hole, and the first positioning column is semicircular and has a diameter tangential to the first bolt hole; the second positioning column is arranged on the outer side of the second bolt hole, is semicircular and is tangent to the second bolt hole in diameter.
In one or more embodiments, a first through hole is formed in the middle of the left end cover, and a plurality of first heat dissipation holes are circumferentially and uniformly distributed around the first through hole; a second through hole is formed in the middle of the right end cover, a plurality of second heat dissipation holes are circumferentially and uniformly distributed around the second through hole, and the number of the first heat dissipation holes is consistent with that of the second heat dissipation holes and corresponds to that of the second heat dissipation holes one by one.
In one or more embodiments, the first heat dissipation hole and the second heat dissipation hole have one of a triangular shape, a fan shape, a rectangular shape, and a trapezoidal shape.
In one or more embodiments, the stator frame includes a left frame and a right frame, and the left frame and the right frame are respectively embedded in the left side and the right side of the stator core to fix the stator core.
In one or more embodiments, the inner side of the stator core is provided with a plurality of salient poles, the left framework and the right framework are both provided with winding tables, and slots assembled with the salient poles are formed in the winding tables.
In one or more embodiments, the outer edge of the left framework is provided with a left convex step abutted with the left end face of the stator core, and the outer edge of the right framework is provided with a right convex step abutted with the right end face of the stator core.
In one or more embodiments, the left end cap is provided with a left embedding cavity in fit connection with the left convex step, and the right end cap is provided with a right embedding cavity in fit connection with the right convex step.
Compared with the background technology, the utility model has the following effects: by adopting the assembly structure, the motor end cover is tightly matched with the stator core and the rotor, the air gap precision is improved, the relative position of the stator and the rotor of the motor is maintained, the stator and the rotor are not easy to move relatively, the air gap uniformity is ensured, and the performance and the service life of the motor are improved.
Drawings
FIG. 1 is a schematic structural view of a left end cap, a stator assembly and a right end cap after assembly according to an embodiment of the utility model;
FIG. 2 is an exploded view of a left end cap, a stator assembly, and a right end cap according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 at another angle;
fig. 4 is an exploded view of a stator assembly according to an embodiment of the present invention.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Referring to fig. 1-3, the present application provides an assembly structure of a switched reluctance motor stator and an end cap, which includes a left end cap 1, a stator assembly 2, and a right end cap 3, which are sequentially disposed, wherein the left end cap 1 is provided with a first bolt hole 11 and a first positioning post 12, the right end cap 3 is provided with a second bolt hole 31 and a second positioning post 32, the stator assembly 2 includes a stator frame and a stator core 4, the stator core 4 is mounted on the stator frame, the stator core 4 is provided with a connecting hole 41 and a positioning hole 42, which are left and right penetrated, when two ends of the positioning hole 42 are respectively connected with the first positioning post 12 and the second positioning post 32, the first bolt hole 11, the connecting hole 41, and the second bolt hole 31 correspond to each other, by using the above assembly device, the assembly structure of the left end cap and the right end cap with the stator assembly is more compact, and the first positioning post and the second positioning post can provide advanced positioning, in addition to the function of bolt assembly, can also play the fixed effect of further location to stator module, ensure that the difficult emergence of stator removes, guarantee that the air gap is even, promoted reluctance machine's performance and prolonged life, reduce the trouble problem.
In this embodiment, the first positioning column 12 is disposed outside the first bolt hole 11, and the first positioning column 12 is semicircular and has a diameter tangent to the first bolt hole 11; the second positioning column 32 is arranged on the outer side of the second bolt hole 31, the second positioning column 32 is semicircular, the diameter of the second positioning column is tangent to the second bolt hole 31, the positioning column adopting the semicircular structure is convenient to be connected with the positioning hole, positioning is convenient, and assembly is easier.
A first through hole 13 is formed in the middle of the left end cover 1, and a plurality of first heat dissipation holes 14 are circumferentially and uniformly distributed around the first through hole 13; the second through hole 33 has been seted up on the middle part position of right-hand member lid 3, be provided with the second louvre 34 of a plurality of circumference equipartitions around second through hole 33, the quantity of first louvre 14 is unanimous and the one-to-one with the quantity of second louvre 34, all be provided with the tang on first through hole and the second through hole, the through-hole supplies the rotor shaft to pass, play further locate function through the tang to the rotor shaft, first louvre and second louvre can promote stator module's radiating efficiency, promote motor performance, and first louvre corresponds the setting with the second louvre, more be favorable to convection heat dissipation, promote holistic radiating effect.
The shape of the first heat dissipation hole 14 and the second heat dissipation hole 34 is one of triangle, fan, rectangle and trapezoid, the shape of the heat dissipation hole used in this embodiment is triangle, and the specific shape of the heat dissipation hole is selected according to actual needs.
Referring to fig. 4, the stator frame includes a left frame 5 and a right frame 6, the left frame 5 and the right frame 6 are respectively embedded in the left and right sides of the stator core 4 to fix the stator core 4, in addition, a left convex step 51 abutting against the left end surface of the stator core 4 is arranged on the outer edge of the left frame 5, and a right convex step 61 abutting against the right end surface of the stator core 4 is arranged on the outer edge of the right frame 6, and the stator core 4 is fixed by adopting the above structure, so that not only the axial movement of the stator core can be limited, but also the circumferential movement of the stator core can be limited, the stator core 4 is firmly fixed, and the uniformity of an air gap after installation is ensured.
The inner side of the stator core 4 is provided with a plurality of salient poles 43, the left framework 5 and the right framework 6 are both provided with winding tables 7, the winding tables 7 are provided with groove positions 8 assembled with the salient poles 43, the left framework 5 and the right framework 6 are respectively assembled close to the stator core 4 from the left side and the right side of the stator core 4, and finally, clamping and installation of the salient poles are completed after the groove positions 8 are in butt joint.
The left end cover 1 is provided with a left embedded cavity matched and connected with the left convex step 51, the right end cover 3 is provided with a right embedded cavity matched and connected with the right convex step 61, the fixation of the stator assembly is further enhanced, the positioning effect of the stator and the rotor after the end cover and the stator assembly are assembled is ensured, the uniformity of an air gap is ensured, and meanwhile, the performance and the service life of the motor are improved.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, and equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.
Claims (7)
1. The utility model provides an assembly structure of switched reluctance motor stator and end cover which characterized in that: comprises a left end cover (1), a stator component (2) and a right end cover (3) which are arranged in sequence, wherein the left end cover (1) is provided with a first bolt hole (11) and a first positioning column (12), the right end cover (3) is provided with a second bolt hole (31) and a second positioning column (32), the stator component (2) comprises a stator framework and a stator core (4), the stator core (4) is arranged on the stator framework, the stator core (4) is provided with a connecting hole (41) and a positioning hole (42) which are penetrated left and right, when the two ends of the positioning hole (42) are respectively connected with the first positioning column (12) and the second positioning column (32), the first bolt hole (11), the connecting hole (41) and the second bolt hole (31) correspond to each other, the stator framework comprises a left framework (5) and a right framework (6), wherein the left framework (5) and the right framework (6) are respectively embedded in the left side and the right side of the stator core (4) to fix the stator core (4).
2. The structure of claim 1, wherein the structure comprises: the first positioning column (12) is arranged on the outer side of the first bolt hole (11), and the first positioning column (12) is semicircular and the diameter of the first positioning column is tangent to the first bolt hole (11); the second positioning column (32) is arranged on the outer side of the second bolt hole (31), and the diameter of the second positioning column (32) is tangential to the second bolt hole (31).
3. The structure of claim 2, wherein the structure comprises: the inner side of the stator core (4) is provided with a plurality of salient poles (43), the left framework (5) and the right framework (6) are both provided with winding tables (7), and the winding tables (7) are provided with groove positions (8) assembled with the salient poles (43).
4. The structure of claim 1, wherein the structure comprises: a first through hole (13) is formed in the middle of the left end cover (1), and a plurality of first heat dissipation holes (14) are circumferentially and uniformly distributed around the first through hole (13); a second through hole (33) is formed in the middle of the right end cover (3), a plurality of second heat dissipation holes (34) are circumferentially and uniformly distributed around the second through hole (33), and the number of the first heat dissipation holes (14) is consistent with that of the second heat dissipation holes (34) and corresponds to that of the second heat dissipation holes one to one.
5. The structure of claim 4, wherein the stator and the end cover of the switched reluctance motor are assembled together: the first heat dissipation hole (14) and the second heat dissipation hole (34) are in one of a triangular shape, a fan shape, a rectangular shape and a trapezoidal shape.
6. The structure of claim 1, wherein the structure comprises: the outer edge of the left framework (5) is provided with a left convex step (51) abutted against the left end face of the stator core (4), and the outer edge of the right framework (6) is provided with a right convex step (61) abutted against the right side face of the stator core (4).
7. The structure of claim 6, wherein the structure comprises: the left end cover (1) is provided with a left embedded cavity which is connected with the left convex step (51) in a matched mode, and the right end cover (3) is provided with a right embedded cavity which is connected with the right convex step (61) in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103143.5U CN216981661U (en) | 2022-01-14 | 2022-01-14 | Assembly structure of switched reluctance motor stator and end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103143.5U CN216981661U (en) | 2022-01-14 | 2022-01-14 | Assembly structure of switched reluctance motor stator and end cover |
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| CN216981661U true CN216981661U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220103143.5U Active CN216981661U (en) | 2022-01-14 | 2022-01-14 | Assembly structure of switched reluctance motor stator and end cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362415A (en) * | 2022-01-14 | 2022-04-15 | 广东联柏科技集团有限公司 | Assembly structure of switched reluctance motor stator and end cover |
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2022
- 2022-01-14 CN CN202220103143.5U patent/CN216981661U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362415A (en) * | 2022-01-14 | 2022-04-15 | 广东联柏科技集团有限公司 | Assembly structure of switched reluctance motor stator and end cover |
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