CN209313551U - A kind of rotor rivet pressing structure - Google Patents
A kind of rotor rivet pressing structure Download PDFInfo
- Publication number
- CN209313551U CN209313551U CN201821892376.8U CN201821892376U CN209313551U CN 209313551 U CN209313551 U CN 209313551U CN 201821892376 U CN201821892376 U CN 201821892376U CN 209313551 U CN209313551 U CN 209313551U
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- Prior art keywords
- ring
- rotor
- riveting
- motor shaft
- rotor core
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Abstract
The utility model discloses a kind of rotor rivet pressing structures, belong to technical field of motors.It include: motor shaft, rotor core and permanent magnet, the inside of rotor core includes permanent magnet, rotor core is set in the lateral wall of motor shaft, it wherein further include every magnetic copper ring and riveting ring, one end of rotor core is arranged in every magnetic copper ring, motor shaft is provided with several locating slots close to the lateral wall every one end of magnetic copper ring, and riveting ring set is located at the one end for being provided with the motor shaft of several locating slots, and the side wall of riveting ring one end and several locating slots rivet.A kind of rotor rivet pressing structure provided by the utility model simplifies rotor assembly process, improves production efficiency；The mode of riveting improves the service life of motor and the reliability of motor.
Description
Technical field
The utility model relates to technical field of motors, are specifically related to a kind of rotor rivet pressing structure.
Background technique
Main parts size of the motor as new-energy automobile at present, rotor fixed permanent magnet technical aspect there is also
Many problems.The technology of fixed permanent magnet directly affects the performance of motor output torque, influences making for motor in rotor
Use the service life.At present during motor produces, the main technique technology of rotor fixed permanent magnet is welding, welding procedure
There are three obvious disadvantages: first, technique is cumbersome, causes the production efficiency of product low；Second, it is not durable enough, over time can
There is loosening；Third, safety coefficient are low.
Utility model content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of rotor rivet pressing structure uses riveting skill
Art simplifies production process, improves safety coefficient, extends electrical machinery life.
Specific technical solution is as follows:
A kind of rotor rivet pressing structure, comprising: motor shaft, rotor core and permanent magnet, the inside packet of rotor core
Containing permanent magnet, rotor core is set in the lateral wall of motor shaft, wherein further including every magnetic copper ring and riveting ring, every magnetic copper ring cloth
It sets in one end of rotor core, motor shaft is provided with several locating slots, riveting ring set close to the lateral wall every one end of magnetic copper ring
It is located at the one end for being provided with the motor shaft of several locating slots, and the side wall of riveting ring one end and several locating slots rivet.
In a kind of above-mentioned rotor rivet pressing structure, also have the feature that, riveting ring include riveting ring bottom and
Identical with the internal diameter of riveting ring bottom at the top of riveting ring at the top of riveting ring, the outer diameter of riveting ring bottom is greater than at the top of riveting ring
Outer diameter.
It in a kind of above-mentioned rotor rivet pressing structure, also has the feature that, one end of riveting ring bottom and riveting
One end connection at the top of ring, the other end of riveting ring bottom are close to rotor core, every magnetic copper ring.
It in a kind of above-mentioned rotor rivet pressing structure, also has the feature that, there are two locating slot settings.
It in a kind of above-mentioned rotor rivet pressing structure, also has the feature that, motor shaft deviates from one end of locating slot
It is provided with a limited step, the outer diameter of limited step is greater than the internal diameter of rotor core.
In a kind of above-mentioned rotor rivet pressing structure, also have the feature that, rotor core is arranged in limited step
Between riveting ring.
The good effect of above-mentioned technical proposal is:
A kind of rotor rivet pressing structure provided by the utility model is carried out by the locating slot on riveting ring and motor shaft
Riveting simplifies rotor assembly process, improves production efficiency；Riveting method improve motor service life and motor can
By property.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the embodiment of rotor rivet pressing structure of the utility model；
Fig. 2 is the structural schematic diagram of riveting ring in a kind of rotor rivet pressing structure embodiment of the utility model；
Fig. 3 is a kind of cross-sectional view of the embodiment of rotor rivet pressing structure of the utility model；
Fig. 4 is the partial enlarged view in Fig. 3 at A.
In attached drawing: 1, motor shaft；2, riveting ring；3, every magnetic copper ring；4, rotor core；5, locating slot.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower embodiment combination attached drawing 1 is specifically addressed a kind of rotor rivet pressing structure provided by the utility model to attached drawing 4.
Fig. 1 is a kind of structural schematic diagram of the embodiment of rotor rivet pressing structure of the utility model；Fig. 2 is that this is practical
The structural schematic diagram of riveting ring in a kind of novel rotor rivet pressing structure embodiment；Fig. 3 is a kind of electricity of the utility model
The cross-sectional view of the embodiment of machine rotor rivet pressing structure；Fig. 4 is the partial enlarged view in Fig. 3 at A, in the present embodiment, the motor
Rotor rivet pressing structure mainly includes motor shaft 1, riveting ring 2, every magnetic copper ring 3, rotor core 4, locating slot 5.
In the present embodiment, rivet pressing structure includes motor shaft 1, rotor core 4, every magnetic copper ring 3 and riveting ring 2, rotor core 4
Inside include permanent magnet, rotor core 4 is set in the lateral wall of motor shaft 1, is arranged in rotor core 4 every magnetic copper ring 3
One end, to carry out every magnetic, motor shaft 1 is provided with several locating slots 5, riveting ring 2 close to the lateral wall every one end of magnetic copper ring 3
It is set in the one end for being provided with the motor shaft 1 of several locating slots 5, and the side wall of 2 one end of riveting ring and several locating slots 5 rivet,
Riveting ring 2 uses No. 45 steel, relatively thin with the joint place of 1 side wall of motor shaft, convenient for by 2 riveting of riveting ring into locating slot 5.
In a preferred embodiment, as depicted in figs. 1 and 2, riveting ring 2 includes riveting ring bottom and riveting ring top
Portion, riveting ring top is identical with the internal diameter of riveting ring bottom, and the outer diameter of riveting ring bottom is greater than the outer diameter at the top of riveting ring.
In a preferred embodiment, as shown in figure 3, one end at the top of one end of riveting ring bottom and riveting ring connects
It connects, the other end of riveting ring bottom is close to rotor core 4, every magnetic copper ring 3, and riveting ring bottom is used to limit every magnetic copper ring 3, turns
Movement of the sub- iron core 4 in 1 length direction of motor shaft.
In a preferred embodiment, as shown in Figure 3 and Figure 4, there are two the settings of locating slot 5, and two locating slots 5 are right
Claim setting.
In a preferred embodiment, as shown in figure 3, motor shaft 1 is provided with a limit away from one end of locating slot 5
Step, the outer diameter of limited step are greater than the internal diameter of rotor core 4.
In a preferred embodiment, as shown in figure 3, rotor core 4 be arranged in limited step and riveting ring 2 it
Between, the position of rotor core 4 is limited between limited step and riveting ring 2, prevents rotor core 4 in 1 length side of motor shaft
To movement.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.
A kind of rotor rivet pressing structure provided in this embodiment, rotor core are set in the side wall of motor shaft, motor shaft
One end be provided with a limited step, the other end side wall of motor shaft is provided with two locating slots, and it is another that riveting ring set is located at motor shaft
After the side wall of one end, riveting ring is riveted in the locating slot of motor shaft by a special tooling, is existed to limit rotor core
Movement on motor shaft length direction.The design of the rotor rivet pressing structure simplifies rotor assembly process, improves production
Efficiency；The service life of motor is extended, and safe and reliable.
The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the protection scope of the utility model should all be included in
It is interior.
Claims (6)
1. a kind of rotor rivet pressing structure, comprising: motor shaft, rotor core and permanent magnet, the inside of the rotor core
It include the permanent magnet, the rotor core is set in the lateral wall of the motor shaft, which is characterized in that
Every magnetic copper ring, described one end for being arranged in the rotor core every magnetic copper ring, the motor shaft is close to described every magnetic copper ring
The lateral wall of one end be provided with several locating slots；
Riveting ring, the riveting ring set are located at the one end for being provided with the motor shaft of several locating slots, and the riveting
The side wall of ring one end and several locating slots rivet.
2. a kind of rotor rivet pressing structure according to claim 1, which is characterized in that the riveting ring includes riveting ring
It is identical with the internal diameter of riveting ring bottom at the top of the riveting ring at the top of bottom and riveting ring, outside riveting ring bottom
Diameter is greater than the outer diameter at the top of the riveting ring.
3. a kind of rotor rivet pressing structure according to claim 2, which is characterized in that one end of riveting ring bottom
It is connect with one end at the top of the riveting ring, it is the other end of riveting ring bottom and the rotor core, described every magnetic copper ring
It is close to.
4. a kind of rotor rivet pressing structure according to claim 1, which is characterized in that the locating slot is provided with two
It is a.
5. a kind of rotor rivet pressing structure according to claim 1, which is characterized in that the motor shaft is away from described fixed
One end of position slot is provided with a limited step, and the outer diameter of the limited step is greater than the internal diameter of the rotor core.
6. a kind of rotor rivet pressing structure according to claim 5, which is characterized in that the rotor core is arranged in institute
It states between limited step and the riveting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821892376.8U CN209313551U (en) | 2018-11-16 | 2018-11-16 | A kind of rotor rivet pressing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821892376.8U CN209313551U (en) | 2018-11-16 | 2018-11-16 | A kind of rotor rivet pressing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313551U true CN209313551U (en) | 2019-08-27 |
Family
ID=67673354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821892376.8U Active CN209313551U (en) | 2018-11-16 | 2018-11-16 | A kind of rotor rivet pressing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313551U (en) |
-
2018
- 2018-11-16 CN CN201821892376.8U patent/CN209313551U/en active Active
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