CN217427811U - Outer rotor assembly and motor using same - Google Patents
Outer rotor assembly and motor using same Download PDFInfo
- Publication number
- CN217427811U CN217427811U CN202221300922.0U CN202221300922U CN217427811U CN 217427811 U CN217427811 U CN 217427811U CN 202221300922 U CN202221300922 U CN 202221300922U CN 217427811 U CN217427811 U CN 217427811U
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- magnetic ring
- sleeve shell
- roof
- edge
- wall
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Abstract
The utility model discloses an external rotor assembly and motor of using thereof, including rotor housing and magnetic ring, rotor housing includes roof and the sleeve shell that extends from the roof edge, encloses into a cavity between roof and the sleeve shell, and the magnetic ring fastening is on the inner wall of sleeve shell, its characterized in that: the top of the magnetic ring is provided with an inclined plane which inclines from outside to inside, a first gap is formed between the inclined plane of the magnetic ring and the inner wall of the sleeve shell, when the magnetic ring is installed in the sleeve shell, glue can be placed in the first gap to prevent the glue from being extruded to the top of the sleeve shell, the contact surface between the glue and the magnetic ring and the contact surface between the glue and the sleeve shell are increased, the structure is firm, and the inclined plane on the magnetic ring plays a role in installation and guiding.
Description
The technical field is as follows:
the utility model relates to an external rotor assembly and motor of using thereof.
The background art comprises the following steps:
the existing outer rotor assembly comprises a rotor shell and a magnetic ring, the rotor shell comprises a top plate and a sleeve shell extending out of the edge of the top plate, a cavity is formed between the top plate and the sleeve shell, the magnetic ring is fastened on the inner wall of the sleeve shell, and the magnetic ring and the sleeve shell are adhered together through glue.
The invention content is as follows:
the utility model aims at providing an external rotor assembly and motor of using thereof can solve among the prior art when the magnetic ring is in the installation sleeve shell, extrudees sleeve shell's top with the viscose easily, leads to the viscose volume between magnetic ring and the sleeve shell to be few, the technical problem that the easy pine takes off.
The purpose of the utility model is realized by the following technical scheme.
The utility model aims at providing an external rotor component, including rotor housing and magnetic ring, rotor housing includes roof and the sleeve shell that extends from the roof edge, encloses into a cavity between roof and the sleeve shell, and the magnetic ring fastening is on sleeve shell's inner wall, its characterized in that: the top of the magnetic ring is provided with an inclined plane which inclines from outside to inside, and a first gap is formed between the inclined plane of the magnetic ring and the inner wall of the sleeve shell.
The utility model provides an external rotor subassembly, rotor housing and magnetic ring, rotor housing include roof and the sleeve shell that extends from the roof edge, enclose into a cavity between roof and the sleeve shell, and the magnetic ring fastening is on the inner wall of sleeve shell, its characterized in that: the outer edge of the magnetic ring is provided with a plurality of cutting edges which are distributed at intervals in the circumferential direction, and a second gap is formed between each cutting edge and the inner wall of the sleeve shell.
The number of the plurality of the cutting edges is 2 to 8.
The above-mentioned edge cut is the plane.
The utility model provides an external rotor subassembly, rotor housing and magnetic ring, rotor housing include roof and the sleeve shell that extends from the roof edge, enclose into a cavity between roof and the sleeve shell, and the magnetic ring fastening is on the inner wall of sleeve shell, its characterized in that: the outer edge of the magnetic ring is provided with a plurality of clearance grooves which are circumferentially distributed at intervals.
The number of the plurality of clearance grooves is 2-8.
The clearance groove is in a semi-arc shape.
An electric machine, includes external rotor subassembly and stator module, its characterized in that: the outer rotor component is the outer rotor component.
Compared with the prior art, the utility model, following effect has:
1) the utility model provides an outer rotor assembly, includes rotor housing and magnetic ring, and rotor housing includes roof and the sleeve shell that extends from the roof edge, encloses into a cavity between roof and the sleeve shell, and the magnetic ring fastening is on the inner wall of sleeve shell, its characterized in that: the top of the magnetic ring is provided with an inclined plane which inclines from outside to inside, a first gap is formed between the inclined plane of the magnetic ring and the inner wall of the sleeve shell, when the magnetic ring is installed in the sleeve shell, glue can be placed in the first gap to prevent the glue from being extruded to the top of the sleeve shell, the contact surface between the glue and the magnetic ring and the contact surface between the glue and the sleeve shell are increased, the structure is firm, and the inclined plane on the magnetic ring plays a role in installation and guiding.
2) The utility model provides an external rotor subassembly, rotor housing and magnetic ring, rotor housing include roof and the sleeve shell that extends from the roof edge, enclose into a cavity between roof and the sleeve shell, and the magnetic ring fastening is on the inner wall of sleeve shell, its characterized in that: the outer edge of the magnetic ring is provided with a plurality of cutting edges which are distributed at intervals in the circumferential direction, a second gap is formed between each cutting edge and the inner wall of the sleeve shell, when the magnetic ring is installed in the sleeve shell, glue can be placed in the second gap, the glue is prevented from being extruded to the top of the sleeve shell, the contact surface of the glue, the magnetic ring and the sleeve shell is enlarged, and the structure is firm.
3) The utility model provides an external rotor subassembly, rotor housing and magnetic ring, rotor housing include roof and the sleeve shell that extends from the roof edge, enclose into a cavity between roof and the sleeve shell, and the magnetic ring fastening is on the inner wall of sleeve shell, its characterized in that: the outer edge of the magnetic ring is provided with a plurality of clearance grooves distributed at intervals in the circumferential direction, when the magnetic ring is installed in the sleeve shell, glue can be placed in the clearance grooves, the glue is prevented from being extruded to the top of the sleeve shell, the contact surface between the glue and the magnetic ring and the sleeve shell is increased, and the structure is firm.
4) 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 provided in a first embodiment of the present invention;
fig. 2 is a front view provided by the first embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a partial enlarged view of B in FIG. 3;
fig. 5 is an exploded view of a first embodiment of the present invention;
fig. 6 is a perspective view provided by the second embodiment of the present invention;
fig. 7 is a front view provided by a second embodiment of the present invention;
FIG. 8 is a cross-sectional view C-C of FIG. 7;
FIG. 9 is an enlarged view of a portion D of FIG. 8;
fig. 10 is an exploded view provided in the second embodiment of the present invention;
fig. 11 is a perspective view provided by the third embodiment of the present invention;
fig. 12 is a front view provided by the third embodiment of the present invention;
FIG. 13 is a cross-sectional view of E-E of FIG. 12;
FIG. 14 is an enlarged view of a portion F of FIG. 13;
fig. 15 is an exploded view provided in the third 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 5, the present embodiment provides an outer rotor assembly, which includes a rotor housing 1 and a magnetic ring 2, where the rotor housing 1 includes a top plate 11 and a sleeve housing 12 extending from an edge of the top plate 11, a cavity 10 is defined between the top plate 11 and the sleeve housing 12, and the magnetic ring 2 is fastened on an inner wall 121 of the sleeve housing 12, and is characterized in that: the top of the magnetic ring 2 is provided with an inclined surface 21, the inclined surface 21 inclines from outside to inside, a first gap 31 is formed between the inclined surface 21 of the magnetic ring 2 and the inner wall 121 of the sleeve shell 12, when the magnetic ring is installed in the sleeve shell, glue can be placed in the first gap to prevent the glue from being extruded to the top of the sleeve shell, the contact surface between the glue and the magnetic ring and the sleeve shell is enlarged, the structure is firm, and the inclined surface on the magnetic ring plays a role in installation guiding.
Example two:
as shown in fig. 6 to 10, an outer rotor assembly, a rotor housing 1 and a magnetic ring 2, wherein the rotor housing 1 includes a top plate 11 and a sleeve housing 12 extending from an edge of the top plate 11, a cavity 10 is enclosed between the top plate 11 and the sleeve housing 12, and the magnetic ring 2 is fastened on an inner wall 121 of the sleeve housing 12, and is characterized in that: the outer edge of the magnetic ring 2 is provided with a plurality of cutting edges 22 which are circumferentially distributed at intervals, a second gap 32 is formed between each cutting edge 22 and the inner wall 121 of the sleeve shell 12, when the magnetic ring is installed in the sleeve shell, glue can be placed in the second gap, the glue is prevented from being extruded to the top of the sleeve shell, the contact surface of the glue with the magnetic ring and the sleeve shell is increased, and the structure is firm.
The number of the above-mentioned several trims 22 is 2 to 8.
The above-mentioned cut edge 22 is a plane.
Example three:
as shown in fig. 11 to 15, an outer rotor assembly, a rotor housing 1 and a magnetic ring 2, wherein the rotor housing 1 includes a top plate 11 and a sleeve housing 12 extending from an edge of the top plate 11, a cavity 10 is defined between the top plate 11 and the sleeve housing 12, and the magnetic ring 2 is fastened on an inner wall 121 of the sleeve housing 12, and is characterized in that: the outer edge of the magnetic ring 2 is provided with a plurality of clearance grooves 23 which are distributed at intervals in the circumferential direction, when the magnetic ring is installed in the sleeve shell, glue can be placed in the second gap, the glue is prevented from being extruded to the top of the sleeve shell, the contact surface between the glue and the magnetic ring and the sleeve shell is increased, and the structure is firm.
The number of the clearance grooves 23 is 2 to 8.
The clearance groove 23 is in a semi-circular arc shape.
Example four:
the utility model provides a motor, includes external rotor subassembly and stator module, its characterized in that: the outer rotor assembly is the outer rotor assembly described in the first embodiment, the second embodiment or the third embodiment.
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 (8)
1. The utility model provides an outer rotor assembly, includes rotor housing (1) and magnetic ring (2), and rotor housing (1) includes roof (11) and sleeve shell (12) that extend from roof (11) edge, encloses into a cavity (10) between roof (11) and sleeve shell (12), and magnetic ring (2) fastening is on inner wall (121) of sleeve shell (12), its characterized in that: an inclined surface (21) is arranged on the top of the magnetic ring (2), the inclined surface (21) inclines from outside to inside, and a first gap (31) is formed between the inclined surface (21) of the magnetic ring (2) and the inner wall (121) of the sleeve shell (12).
2. The utility model provides an outer rotor assembly, rotor housing (1) and magnetic ring (2), rotor housing (1) include roof (11) and sleeve shell (12) that extend from roof (11) edge, enclose into a cavity (10) between roof (11) and sleeve shell (12), and magnetic ring (2) fastening is on inner wall (121) of sleeve shell (12), its characterized in that: the outer side edge of the magnetic ring (2) is provided with a plurality of cutting edges (22) which are distributed at intervals in the circumferential direction, and a second gap (32) is formed between each cutting edge (22) and the inner wall (121) of the sleeve shell (12).
3. An external rotor assembly as claimed in claim 2, wherein: the number of the plurality of cutting edges (22) is 2 to 8.
4. The external rotor assembly of claim 3, wherein: the cut edge (22) is planar.
5. The utility model provides an outer rotor assembly, rotor housing (1) and magnetic ring (2), rotor housing (1) include roof (11) and sleeve shell (12) that extend from roof (11) edge, enclose into a cavity (10) between roof (11) and sleeve shell (12), and magnetic ring (2) fastening is on inner wall (121) of sleeve shell (12), its characterized in that: the outer edge of the magnetic ring (2) is provided with a plurality of clearance grooves (23) which are circumferentially distributed at intervals.
6. The external rotor assembly of claim 5, wherein: the number of the plurality of clearance grooves (23) is 2 to 8.
7. The external rotor assembly of claim 6, wherein: the clearance groove (23) is in a semi-circular arc shape.
8. An electric machine, includes external rotor subassembly and stator module, its characterized in that: the external rotor component is the external rotor component claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221300922.0U CN217427811U (en) | 2022-05-27 | 2022-05-27 | Outer rotor assembly and motor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221300922.0U CN217427811U (en) | 2022-05-27 | 2022-05-27 | Outer rotor assembly and motor using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217427811U true CN217427811U (en) | 2022-09-13 |
Family
ID=83189891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221300922.0U Active CN217427811U (en) | 2022-05-27 | 2022-05-27 | Outer rotor assembly and motor using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217427811U (en) |
-
2022
- 2022-05-27 CN CN202221300922.0U patent/CN217427811U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |