CN209896785U - Magnetic ring and motor using same - Google Patents
Magnetic ring and motor using same Download PDFInfo
- Publication number
- CN209896785U CN209896785U CN201920820375.0U CN201920820375U CN209896785U CN 209896785 U CN209896785 U CN 209896785U CN 201920820375 U CN201920820375 U CN 201920820375U CN 209896785 U CN209896785 U CN 209896785U
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- Prior art keywords
- magnetic ring
- bearing
- annular body
- counter bore
- ring
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Abstract
The utility model discloses a magnetic ring and motor of using thereof, the magnetic ring, including cyclic annular body, the concave installation counter bore that is used for holding the jump ring that is equipped with of one of them terminal surface of cyclic annular body, its characterized in that: the annular body is provided with a plurality of weight reduction grooves. The weight reduction groove reduces the weight of the magnetic ring, reduces the material cost and does not influence the magnetic performance of the magnetic ring.
Description
The technical field is as follows:
the utility model relates to a magnetic ring and motor of using thereof.
Background art:
the existing motor comprises a shell assembly, a rotating shaft, a stator assembly and a rotor assembly, wherein the rotating shaft and the rotor assembly are installed together, two bearings are installed in the shell assembly, the rotating shaft is supported in the shell assembly through the two bearings, a magnetic ring is further installed on the rotating shaft, the magnetic ring is located on one side of the rotor assembly, an end face of the magnetic ring is provided with an installation counter bore, a clamp spring is installed in the installation counter bore, and the clamp spring axially positions the magnetic ring. The cost of the existing magnetic materials is higher and higher, the weight of the existing magnetic ring is heavy, the cost is high, and improvement is needed.
The utility model has the following contents:
the utility model aims at providing a magnetic ring and motor of using thereof can solve current magnetic ring problem with high costs.
The purpose of the utility model is realized by the following technical scheme.
A first object of the utility model is to provide a magnetic ring, including cyclic annular body, one of them terminal surface of cyclic annular body is concave to be equipped with the installation counter bore that is used for holding the jump ring, its characterized in that: the annular body is provided with a plurality of weight reduction grooves.
The weight reduction groove is a counter bore.
The weight reduction groove is arranged on the bottom surface of the mounting counter bore.
And a positioning bulge axially protrudes in the mounting counter bore.
The end face of the annular body is also provided with annular bulges in a protruding mode, and the annular bulges and the mounting counter bores are respectively positioned on two sides of the annular body.
A second object of the utility model is to provide a motor, including shell subassembly, pivot and rotor subassembly, the pivot is in the same place with the installation of rotor subassembly, installs first bearing and second bearing in the shell subassembly, and the pivot is passed through first bearing and second bearing and is supported in the shell subassembly, and the rotor subassembly is located between first bearing and the second bearing, still installs the magnetic ring in the pivot, and the magnetic ring is located between rotor subassembly and the first bearing, its characterized in that: the magnetic ring is the magnetic ring, the mounting counter bore of the magnetic ring faces one side of the rotor assembly, a clamp spring is mounted in the mounting counter bore, and the clamp spring axially positions the magnetic ring.
The positioning bulge is clamped at the opening of the clamp spring.
The first bearing and the second bearing are ball bearings, and the annular bulge abuts against the end face of the bearing inner ring of the first bearing.
Compared with the prior art, the utility model, following effect has:
1) the magnetic ring comprises an annular body, wherein one end face of the annular body is concavely provided with a mounting counter bore for accommodating a clamp spring, and the magnetic ring is characterized in that: the annular body is provided with a plurality of weight reduction grooves, and the weight reduction grooves reduce the weight of the magnetic ring, reduce the material cost and do not influence the magnetic performance of the magnetic ring;
2) the motor reduces the production cost by improving the structure of the magnetic ring;
3) other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
fig. 1 is a schematic structural diagram of a magnetic ring according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a magnetic ring at another angle;
fig. 3 is a schematic structural diagram of a magnetic ring according to a second embodiment of the present invention;
fig. 4 is a schematic view of a partial structure of a motor according to a third embodiment of the present invention;
FIG. 5 is a cross-sectional view of the motor;
FIG. 6 is an enlarged view at A of FIG. 4;
fig. 7 is an exploded view of fig. 3.
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 and fig. 2, the present embodiment provides a magnetic ring, which includes an annular body 10, wherein one end surface of the annular body 10 is concavely provided with a mounting counterbore 11 for accommodating a snap spring, and the magnetic ring is characterized in that: the annular body 10 is provided with a number of weight-reducing slots 12. The lightening grooves 12 not only lighten the weight of the magnetic ring and reduce the material cost, but also do not influence the magnetic performance of the magnetic ring.
The weight-reducing grooves 12 are counter bores.
The weight-reducing grooves 12 are arranged on the bottom surface 15 of the mounting counterbore 11. The magnetic performance of the magnetic ring is not affected.
The end surface of the annular body 10 is further protruded with an annular protrusion 14, and the annular protrusion 14 and the mounting counter bore 11 are respectively located at two sides of the annular body 10.
Example two:
as shown in fig. 3, the magnetic ring provided in this embodiment is similar to the magnetic ring in the first embodiment, except that:
the mounting counter bore 11 is internally and axially protruded with a positioning bulge 13. The positioning protrusions 13 are used for preventing the magnetic ring from rotating circumferentially relative to the rotating shaft.
Example three:
as shown in fig. 4 to 7, the present embodiment provides a motor, including a housing assembly, a rotating shaft 2 and a rotor assembly 3, where the rotating shaft 2 and the rotor assembly 3 are installed together, a first bearing 4a and a second bearing 4b are installed in the housing assembly, the rotating shaft 2 is supported in the housing assembly through the first bearing 4a and the second bearing 4b, the rotor assembly is located between the first bearing 4a and the second bearing 4b, a magnetic ring 1 is further installed on the rotating shaft 2, and the magnetic ring 1 is located between the rotor assembly 3 and the first bearing 4a, and is characterized in that: the magnetic ring 1 is the magnetic ring according to the first embodiment or the second embodiment, the installation counter bore 11 of the magnetic ring 1 faces one side of the rotor assembly 3, the snap spring 5 is installed in the installation counter bore 11, and the snap spring 5 axially positions the magnetic ring 1. Through improving the structure of magnetic ring 1, the production cost of the motor is reduced.
A positioning protrusion 13 axially protrudes from the mounting counterbore 11, and the positioning protrusion 13 is clamped at the opening 51 of the clamp spring 5. The positioning protrusions 13 prevent the magnetic ring 1 from rotating circumferentially relative to the rotating shaft 2.
The end surface of the annular body 10 is further protruded with an annular protrusion 14, the annular protrusion 14 and the mounting counterbore 11 are respectively located at two sides of the annular body 10, the first bearing 4a and the second bearing 4b are ball bearings, and the annular protrusion 14 abuts against the end surface of the bearing inner ring 41a of the first bearing 4 a. The annular protrusion 14 further axially positions the magnet ring 1.
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 a magnetic ring, includes cyclic annular body (10), one of them terminal surface of cyclic annular body (10) is concave to be equipped with installation counter bore (11) that are used for holding the jump ring, its characterized in that: the annular body (10) is provided with a plurality of weight reduction grooves (12).
2. A magnetic ring as claimed in claim 1, characterized in that: the weight-reducing grooves (12) are counter bores.
3. A magnetic ring as claimed in claim 2, characterized in that: the weight-reducing grooves (12) are arranged on the bottom surface (15) of the mounting counter bore (11).
4. A magnet ring as claimed in any one of claims 1 to 3, wherein: and a positioning bulge (13) axially protrudes in the mounting counter bore (11).
5. A magnetic ring according to claim 4, characterized in that: the end face of the annular body (10) is also provided with an annular bulge (14) in a protruding mode, and the annular bulge (14) and the mounting counter bore (11) are located on two sides of the annular body (10) respectively.
6. The utility model provides a motor, including shell subassembly, pivot (2) and rotor subassembly (3), pivot (2) are in the same place with rotor subassembly (3) installation, install first bearing (4a) and second bearing (4b) in the shell subassembly, pivot (2) are supported in the shell subassembly through first bearing (4a) and second bearing (4b), the rotor subassembly is located between first bearing (4a) and second bearing (4b), still install magnetic ring (1) on pivot (2), magnetic ring (1) are located between rotor subassembly (3) and first bearing (4a), its characterized in that: the magnetic ring (1) is the magnetic ring as claimed in claim 5, the mounting counter bore (11) of the magnetic ring (1) faces one side of the rotor assembly (3), the snap spring (5) is mounted in the mounting counter bore (11), and the snap spring (5) axially positions the magnetic ring (1).
7. An electrical machine according to claim 6, wherein: the positioning bulge (13) is clamped at the opening (51) of the clamp spring (5).
8. An electric machine as claimed in claim 7, characterized in that: the first bearing (4a) and the second bearing (4b) are ball bearings, and the annular bulge (14) is abutted against the end face of the bearing inner ring (41a) of the first bearing (4 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920820375.0U CN209896785U (en) | 2019-06-03 | 2019-06-03 | Magnetic ring and motor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920820375.0U CN209896785U (en) | 2019-06-03 | 2019-06-03 | Magnetic ring and motor using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209896785U true CN209896785U (en) | 2020-01-03 |
Family
ID=69001490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920820375.0U Active CN209896785U (en) | 2019-06-03 | 2019-06-03 | Magnetic ring and motor using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209896785U (en) |
-
2019
- 2019-06-03 CN CN201920820375.0U patent/CN209896785U/en active Active
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| GR01 | Patent grant |