CN219611456U - Double-stator motor with novel rotor structure - Google Patents
Double-stator motor with novel rotor structure Download PDFInfo
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- CN219611456U CN219611456U CN202320800841.5U CN202320800841U CN219611456U CN 219611456 U CN219611456 U CN 219611456U CN 202320800841 U CN202320800841 U CN 202320800841U CN 219611456 U CN219611456 U CN 219611456U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a double-stator motor with a novel rotor structure, which comprises an inner stator, a rotor, an outer stator and a motor output end, wherein the rotor is used for rotating relative to the inner stator and the outer stator respectively so as to drive the motor output end to rotate; the rotor comprises a rotor body, a plug-in fixing groove which is arranged on the rotor body and is used for penetrating through the side wall of the rotor body, magnetic steel which is plugged in the plug-in fixing groove, and a plug-in fixing cover, wherein the plug-in fixing cover is used for propping against the end part of the magnetic steel and fixing the magnetic steel in the plug-in fixing groove.
Description
[ field of technology ]
The utility model relates to the technical field of motors, in particular to a double-stator motor with a novel rotor structure.
[ background Art ]
The existing double-stator permanent magnet motor has the characteristics of higher power density, stronger overload capacity and the like compared with the traditional single-stator motor;
the existing double-stator motor is provided with a cup-shaped rotor structure, magnetic steel is respectively fixed on the inner wall and the outer wall of the rotor, and a fixed mode of pasting is adopted between the magnetic steel and the rotor, but the problem that pasting is unstable and angle deviation occurs easily in the process of pasting the magnetic steel exists, so that the use and performance of the motor are affected.
[ utility model ]
In order to solve the problem that the magnetic steel of the double-stator permanent magnet motor is not firmly adhered to the rotor, the utility model provides a double-stator motor with a novel rotor structure.
The utility model is realized by the following technical scheme:
the double-stator motor with the novel rotor structure comprises an inner stator, a rotor sleeved on the outer side of the inner stator, an outer stator sleeved on the outer side of the rotor and a motor output end connected with the rotor, wherein the rotor is used for rotating relative to the inner stator and the outer stator respectively so as to drive the motor output end to rotate;
the rotor comprises a rotor body, a plug-in fixing groove which is arranged on the rotor body and is used for penetrating through the side wall of the rotor body, magnetic steel which is inserted in the plug-in fixing groove, and a plug-in fixing cover which is arranged at one end of the rotor body and is used for being inserted in the plug-in fixing groove, wherein the plug-in fixing cover is used for jacking the end part of the magnetic steel and fixing the magnetic steel in the plug-in fixing groove.
The double-stator motor with the novel rotor structure is characterized in that a plurality of inserting fixing grooves are arranged in an array along the circumferential direction of the rotor body, and a plurality of magnetic steels are sequentially inserted into the inserting fixing grooves to form a magnetic steel ring.
The double-stator motor with the novel rotor structure is characterized in that limiting sliding grooves are respectively formed in two opposite side walls in the inserting fixing groove, and first limiting convex edges used for being inserted into the limiting sliding grooves are respectively formed in two side walls on the magnetic steel.
According to the double-stator motor with the novel rotor structure, the width of the limiting sliding groove gradually decreases in the direction facing the opening end, and the width of the first limiting convex edge gradually increases in the direction away from the magnetic steel.
The double-stator motor with the novel rotor structure is characterized in that the cross section of the limiting sliding groove is of a trapezoid groove body structure, and the cross section of the first limiting convex edge is of a trapezoid convex edge structure which is correspondingly matched with the limiting sliding groove.
The double-stator motor with the novel rotor structure is characterized in that the end part of the magnetic steel is provided with the inserting convex edge, and the inserting fixing cover is provided with the inserting groove for the inserting convex edge to be inserted.
The double-stator motor with the novel rotor structure comprises the fixed cover body, and the fixed protruding edge which is arranged on the fixed cover body and used for being inserted into the opening end of the inserting fixing groove.
The double-stator motor with the novel rotor structure is characterized in that the fixed protruding edge is provided with the second limiting protruding edge which is used for being inserted into the limiting sliding groove, and the inserting groove is located on the fixed protruding edge.
The double-stator motor with the novel rotor structure is characterized in that the outer side wall of the magnetic steel is flush with the outer side wall of the rotor body, and the inner side wall of the magnetic steel is flush with the inner side wall of the rotor body.
According to the double-stator motor with the novel rotor structure, the connecting piece for connecting the plug-in fixing cover and the rotor body is further arranged between the plug-in fixing cover and the rotor body.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a double-stator motor with a novel rotor structure, which is characterized in that a rotor body is provided with a splicing fixing groove, magnetic steel is inserted into the splicing fixing groove, so that two sides of the magnetic steel respectively extend to the inner side and the outer side of the rotor body, are respectively close to an inner stator and an outer stator, and are fixedly limited in the splicing fixing groove through a splicing fixing cover.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of an exploded construction of the present utility model;
FIG. 2 is a schematic view of an exploded structure of a rotor according to the present utility model;
FIG. 3 is a schematic diagram showing an exploded structure of a rotor according to the present utility model;
FIG. 4 is a schematic cross-sectional view of the present utility model;
FIG. 5 is a schematic diagram of a cross-sectional structure of the present utility model;
fig. 6 is a schematic perspective view of a rotor according to the present utility model.
[ detailed description ] of the utility model
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The embodiment, as shown in fig. 1 to 6, is a double-stator motor with a novel rotor structure, which comprises an inner stator 1, a rotor 2 sleeved outside the inner stator 1, an outer stator 3 sleeved outside the rotor 2, and a motor output end 4 connected with the rotor 2, wherein the rotor 2 is used for rotating relative to the inner stator 1 and the outer stator 3 respectively to drive the motor output end 4 to rotate;
the rotor 2 comprises a rotor body 21, a plug-in fixing groove 22 arranged on the rotor body 21 and used for penetrating through the side wall of the rotor body 21, magnetic steel 23 inserted into the plug-in fixing groove 22, and a plug-in fixing cover 24 arranged at one end of the rotor body 21 and used for being inserted into the plug-in fixing groove 22, wherein the plug-in fixing cover 24 is used for propping against the end part of the magnetic steel 23 and fixing the magnetic steel 23 in the plug-in fixing groove 22; according to the utility model, the inserting fixing groove 22 is formed in the rotor body 21, the magnetic steel 23 is inserted into the inserting fixing groove 22, so that two sides of the magnetic steel 23 extend to the inner side and the outer side of the rotor body 21 respectively, and are respectively close to the inner stator 1 and the outer stator 3, the magnetic steel 23 is fixedly limited in the inserting fixing groove 22 through the inserting fixing cover 24, the structure is simple, the magnetic steel 23 and the rotor body 21 are not required to be fixed in a sticking mode, the connection is more stable, the separation and the falling are difficult, the magnetic steel 23 cannot have the problem of angular deviation, and the use and the performance of the motor are more stable.
Further, a plurality of the insertion fixing grooves 22 are arranged in an array along the circumferential direction of the rotor body 21, and a plurality of the magnetic steels 23 are sequentially inserted into the insertion fixing grooves 22 to form a magnetic steel ring; the structure is simple, the installation is convenient, a plurality of magnetic steels 23 are parallel to each other, and the angle deviation is not easy to occur.
Furthermore, two opposite side walls in the plugging and fixing slot 22 are respectively provided with a limit chute 221, and two side walls on the magnetic steel 23 are respectively provided with a first limit protruding edge 231 for being inserted into the limit chute 221; the first limiting protruding edge 231 and the limiting sliding groove 221 are in plug-in fit to prevent the magnetic steel 23 from falling out of the plug-in fixing groove 22, so that the structure is simple, and the connection is stable.
Specifically, the width of the limit chute 221 gradually decreases in the direction facing the open end, and the width of the first limit ledge 231 gradually increases in the direction away from the magnetic steel 23; the outer side wall of the first limiting flange 231 and the inner side wall of the limiting chute 221 are tightly attached, so as to prevent the first limiting flange 231 from falling out of the limiting chute 221.
More specifically, the cross section of the limiting chute 221 is a trapezoid chute body structure, and the cross section of the first limiting flange 231 is a trapezoid flange structure correspondingly matched with the limiting chute 221; the side wall at the waist position of the trapezoid protruding edge structure and the side wall at the waist position of the trapezoid groove body structure are mutually propped so as to further limit the first limiting protruding edge 231 from falling out of the limiting sliding groove 221.
In addition, the end of the magnetic steel 23 is provided with a plug-in convex edge 232, and the plug-in fixed cover 24 is provided with a plug-in groove 241 for inserting the plug-in convex edge 232; the insertion convex edge 232 is inserted into the insertion groove 241 to further fix the relative position of the magnetic steel 23 and the rotor body 21, thereby increasing the stability of connection.
The plugging and fixing cover 24 includes a fixing cover body 243, a fixing flange 244 provided on the fixing cover body 243 and adapted to be inserted into the opening end of the plugging and fixing slot 22; the fixing flange 244 is inserted into the opening end of the insertion fixing slot 22, so as to improve the connection stability between the insertion fixing cover 24 and the rotor body 21, and the fixing flange 244 is further used for pressing the end of the magnetic steel 23, so as to further limit the axial movement between the magnetic steel 23 and the rotor body 21.
Further, the fixing flange 244 is provided with a second limiting flange 245 for being inserted into the limiting chute 221, and the inserting groove 241 is located on the fixing flange 244; for preventing the securing flange 244 from falling out of the mating securing slot 22.
Further, the outer side wall of the magnetic steel 23 is flush with the outer side wall of the rotor body 21, and the inner side wall of the magnetic steel 23 is flush with the inner side wall of the rotor body 21; and the inner side and the outer side of the plug-in fixing cover 24 are flush with the inner side wall and the outer side wall of the rotor body 21 respectively, so that the rotor forms an integrated cylindrical barrel-shaped structure, the protruding structure is reduced, the rotation efficiency of the rotor is influenced, and the rotor is more attractive.
Specifically, a connecting piece 5 for connecting the plug-in fixing cover 24 and the rotor body 21 is also arranged between the two; the connecting piece 5 is preferably a bolt, the connecting piece 5 is inserted from the outer side wall of the plug-in fixing cover 24, and is inserted to the end part of the rotor body 21 through the plug-in fixing cover 24, so that the structure is simple, the connection is stable, and the disassembly, the overhaul and the replacement are convenient.
The utility model also discloses a bearing 6 arranged between the inner stator 1 and the motor output end 4, and the bearing 6 is used for enabling the motor output end 4 to rotate relative to the inner stator 1 when the rotor 2 drives the motor output end 4 to rotate.
The working principle of this embodiment is as follows:
the utility model relates to a double-stator motor with a novel rotor structure, which comprises an inner stator 1, a rotor 2 sleeved outside the inner stator 1, an outer stator 3 sleeved outside the rotor 2, and a motor output end 4 connected with the rotor 2, wherein the rotor 2 is used for rotating relative to the inner stator 1 and the outer stator 3 respectively so as to drive the motor output end 4 to rotate;
the rotor 2 comprises a rotor body 21, a plug-in fixing groove 22 arranged on the rotor body 21 and used for penetrating through the side wall of the rotor body 21, magnetic steel 23 inserted into the plug-in fixing groove 22, and a plug-in fixing cover 24 arranged at one end of the rotor body 21 and used for being inserted into the plug-in fixing groove 22, wherein the plug-in fixing cover 24 is used for propping against the end part of the magnetic steel 23 and fixing the magnetic steel 23 in the plug-in fixing groove 22; according to the utility model, the inserting fixing groove 22 is formed in the rotor body 21, the magnetic steel 23 is inserted into the inserting fixing groove 22, so that two sides of the magnetic steel 23 extend to the inner side and the outer side of the rotor body 21 respectively, and are respectively close to the inner stator 1 and the outer stator 3, the magnetic steel 23 is fixedly limited in the inserting fixing groove 22 through the inserting fixing cover 24, the structure is simple, the magnetic steel 23 and the rotor body 21 are not required to be fixed in a sticking mode, the connection is more stable, the separation and the falling are difficult, the magnetic steel 23 cannot have the problem of angular deviation, and the use and the performance of the motor are more stable.
The above description of one embodiment provided in connection with the specific content does not set forth limitation to the specific implementation of the present utility model, and is not limited to the above designations but is not limited to english designations due to the different industry designations. The method, structure, etc. similar to or identical to those of the present utility model, or some technical deductions or substitutions are made on the premise of the inventive concept, should be regarded as the protection scope of the present utility model.
Claims (10)
1. A double-stator motor with a novel rotor structure is characterized in that: the motor comprises an inner stator (1), a rotor (2) sleeved on the outer side of the inner stator (1), an outer stator (3) sleeved on the outer side of the rotor (2) and a motor output end (4) connected with the rotor (2), wherein the rotor (2) is used for rotating relative to the inner stator (1) and the outer stator (3) respectively so as to drive the motor output end (4) to rotate;
the rotor (2) comprises a rotor body (21), a plug-in fixing groove (22) which is arranged on the rotor body (21) and used for penetrating through the side wall of the rotor body (21), magnetic steel (23) which is inserted into the plug-in fixing groove (22), and a plug-in fixing cover (24) which is arranged at one end of the rotor body (21) and used for being inserted into the plug-in fixing groove (22), wherein the plug-in fixing cover (24) is used for propping against the end part of the magnetic steel (23) and fixing the magnetic steel (23) into the plug-in fixing groove (22).
2. The double-stator motor with the novel rotor structure according to claim 1, wherein a plurality of the inserting fixing grooves (22) are arranged in an array along the circumferential direction of the rotor body (21), and a plurality of the magnetic steels (23) are sequentially inserted into the inserting fixing grooves (22) to form a magnetic steel ring.
3. The double-stator motor with the novel rotor structure according to claim 1, wherein limiting sliding grooves (221) are respectively formed in two opposite side walls in the inserting fixing groove (22), and first limiting convex edges (231) used for being inserted into the limiting sliding grooves (221) are respectively formed in two side walls on the magnetic steel (23).
4. A double stator motor with a novel rotor structure according to claim 3, characterized in that the width of the limit chute (221) gradually decreases in the direction facing the open end, and the width of the first limit ledge (231) gradually increases in the direction away from the magnetic steel (23).
5. A double-stator motor with a novel rotor structure according to claim 3, wherein the cross section of the limiting chute (221) is a trapezoid-shaped chute body structure, and the cross section of the first limiting flange (231) is a trapezoid flange structure correspondingly matched with the limiting chute (221).
6. A double stator motor with a novel rotor structure according to claim 3, characterized in that the end of the magnetic steel (23) is provided with a plug-in protruding edge (232), and the plug-in fixing cover (24) is provided with a plug-in groove (241) for the plug-in protruding edge (232) to be inserted.
7. The double stator motor with the novel rotor structure according to claim 6, wherein the plug-in fixing cover (24) comprises a fixing cover body (243), and a fixing flange (244) which is arranged on the fixing cover body (243) and is used for being inserted into an opening end of the plug-in fixing groove (22).
8. The double-stator motor with the novel rotor structure according to claim 7, wherein the fixing flange (244) is provided with a second limiting flange (245) for being inserted into the limiting chute (221), and the inserting groove (241) is located on the fixing flange (244).
9. A double stator motor with a novel rotor structure according to claim 1, characterized in that the outer side wall of the magnet steel (23) is flush with the outer side wall of the rotor body (21), and the inner side wall of the magnet steel (23) is flush with the inner side wall of the rotor body (21).
10. Double stator motor with novel rotor structure according to claim 1, characterized in that a connecting piece (5) for connecting the two is also provided between the plug-in fixing cover (24) and the rotor body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800841.5U CN219611456U (en) | 2023-04-11 | 2023-04-11 | Double-stator motor with novel rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800841.5U CN219611456U (en) | 2023-04-11 | 2023-04-11 | Double-stator motor with novel rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219611456U true CN219611456U (en) | 2023-08-29 |
Family
ID=87754825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320800841.5U Active CN219611456U (en) | 2023-04-11 | 2023-04-11 | Double-stator motor with novel rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219611456U (en) |
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2023
- 2023-04-11 CN CN202320800841.5U patent/CN219611456U/en active Active
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