CN209217824U - Rotor mechanism - Google Patents
Rotor mechanism Download PDFInfo
- Publication number
- CN209217824U CN209217824U CN201821877566.2U CN201821877566U CN209217824U CN 209217824 U CN209217824 U CN 209217824U CN 201821877566 U CN201821877566 U CN 201821877566U CN 209217824 U CN209217824 U CN 209217824U
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- CN
- China
- Prior art keywords
- iron core
- shaft
- positioning
- rotor mechanism
- mechanism according
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- Expired - Fee Related
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Abstract
The utility model provides a kind of rotor mechanism, is related to motor technology field, solves the cumbersome technical problem of rotor assembling process existing in the prior art.The device includes shaft and iron core；The shaft is coaxial with the iron core, and the shaft runs through the iron core, and the shaft and the iron core are interference fitted；The circumferentially positioned mechanism that the shaft is additionally provided with the axial positioning mechanism for preventing the relatively described shaft of the iron core from moving axially and prevents the relatively described shaft of the iron core from circumferentially rotating.The utility model is used to improve the production efficiency of motor.
Description
Technical field
The utility model relates to motor technology fields, more particularly, to a kind of rotor mechanism.
Background technique
Motor (Motor) is a kind of equipment for converting electrical current into mechanical energy, converts electrical energy into mechanical energy.It is main
The stator winding and a rotating armature or rotor of electromagnet winding or distribution including one to generate magnetic field.It uses the power on
Coil, which generates rotating excitation field and acts on rotor, forms electro-magnetic motor force rotation torque.Motor is mainly made of stator and rotor,
The direction of electrified wire movement under force in magnetic field is related with magnetic induction line direction with current direction.Working principle is magnetic field to electric current
The effect of stress, makes motor rotation.
Existing motor rotor part includes shaft, support frame and rotor core three parts, wherein support frame and shaft it
Between for interference fit, magnitude of interference is 0.05~0.08mm, and when installation is heated, and assembling process is cumbersome to affect life
Produce efficiency.
Summary of the invention
The purpose of this utility model is to provide rotor mechanisms, to solve rotor group existing in the prior art
The cumbersome technical problem of dress process.Optimal technical scheme in many technical solutions provided by the utility model can be generated all
More technical effect elaborations as detailed below.
To achieve the above object, the utility model provides following technical scheme:
Rotor mechanism provided by the utility model, comprising: shaft and iron core；Shaft is coaxial with iron core, and shaft runs through
Iron core, shaft and iron core are interference fitted；Shaft, which is additionally provided with, prevents iron core with respect to the axially position machine that shaft moves axially
Structure and prevent iron core with respect to the circumferentially positioned mechanism that shaft circumferentially rotates.
Preferably, axial positioning mechanism includes positioning shaft shoulder and positioning disk；Shaft runs through positioning disk, shaft and positioning disk it
Between for interference fit；Iron core is between positioning shaft shoulder and positioning disk.
Preferably, iron core both ends are additionally provided with gasket；The shape of gasket, size and the cross section on core length direction
Shape, size are identical；Shaft runs through gasket, is clearance fit between gasket and shaft.
Preferably, the gasket between positioning disk and iron core is additionally provided with the groove for accommodating positioning disk.
Preferably, relieving ring is additionally provided on the outside of positioning disk, shaft runs through relieving ring, and relieving ring and shaft are interference fitted.
Preferably, circumferentially positioned mechanism is positioning pin, is respectively arranged on the length direction of iron core and shaft and positioning pin
The first cotter way and the second cotter way of cooperation.
Preferably, the first cotter way is located at one end of iron core, the first cotter way it is open at one end；Second cotter way is located in shaft
Portion；Axial positioning mechanism is the locating stop piece being arranged in the first cotter way opposite other end and shaft interference fit.
Preferably, iron core is segmented assemblies, and iron core is at least two groups, is disposed adjacent between every group of iron core.
Preferably, iron core is provided with locating rod, and locating rod runs through all components of iron core in the eccentric part of iron core.
Preferably, iron core is laminated molding by rivet by silicon steel sheet or is formed by high permeability material wire cutting.
Rotor mechanism provided by the utility model, shaft is connected directly with iron core, and is matched between the two using interference
It closes, magnitude of interference 0.01-0.03mm, iron core can be pressed to such as shaft under normal temperature state without heating, installation steps are few and grasp
Make simply, solve the cumbersome technical problem of rotor assembling process existing in the prior art.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of rotor mechanism involved in the utility model.
1, shaft in figure；2, iron core；3, positioning disk；4, gasket；5, relieving ring.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figure 1, the utility model provides a kind of rotor mechanism, comprising: shaft 1 and iron core 2；Shaft 1 with
Iron core 2 is coaxial, and shaft 1 runs through iron core 2, and shaft 1 and iron core 2 are interference fitted, magnitude of interference 0.01-0.03mm；Shaft 1 is also set up
There is the axial positioning mechanism for preventing the opposite shaft 1 of iron core 2 from moving axially and prevents iron core 2 from circumferential turn occurs with respect to shaft 1
Dynamic circumferentially positioned mechanism.Magnitude of interference between iron core 2 and shaft 1 is small, iron core 2 can be pressed into shaft 1 under normal temperature state,
It is easy to operate when installation, it is lower that support frame structure production cost in conventional motors rotor is omitted.It is involved in the utility model
Rotor mechanism power performance it is suitable with the conventional motors of same 2 outer diameter specification of iron core.
As the utility model one kind, optionally embodiment, axial positioning mechanism include positioning shaft shoulder and positioning disk 3；Turn
Axis 1 runs through positioning disk 3, is interference fit between shaft 1 and positioning disk 3；Iron core 2 is between positioning shaft shoulder and positioning disk 3.It is fixed
Position disk 3 and shaft 1 cooperate offers chamfering out, not heat to positioning disk 3 during installing positioning disk 3.
As the utility model one kind, optionally embodiment, 2 both ends of iron core are additionally provided with gasket 4；The shape of gasket 4,
Size is identical as shape, the size of cross section on 2 length direction of iron core；Shaft 1 runs through gasket 4, between gasket 4 and shaft 1
For clearance fit, the power that gasket 4 applies axial positioning mechanism to iron core 2 more evenly, can effectively avoid axial positioning mechanism
Clamping force iron core 2 is damaged, improve the service life of motor.
As the utility model one kind, optionally embodiment, the gasket 4 between positioning disk 3 and iron core 2 are additionally provided with appearance
Receive the groove of positioning disk 3, depth of groove is smaller than the thickness of positioning disk 3, makes to cooperate more between each component of rotor mechanism
Step up close, effectively reduces the length of rotor mechanism.
As the utility model one kind optionally embodiment, it is additionally provided with relieving ring 5 on the outside of positioning disk 3, shaft 1 runs through
Relieving ring 5, relieving ring 5 and shaft 1 are interference fitted, and are prevented positioning disk 3 from loosening, are improved the stability of motor.
As the utility model one kind optionally embodiment, circumferentially positioned mechanism is positioning pin, iron core 2 and shaft 1
The first cotter way and the second cotter way with detent fit are respectively arranged on length direction.
As the utility model one kind optionally embodiment, the first cotter way is located at one end of iron core 2, and the one of the first cotter way
End opening；Second cotter way is located at 1 middle part of shaft；Axial positioning mechanism is that the other end and shaft opposite with the first cotter way is arranged in
The locating stop piece of 1 interference fit, does not need that positioning shaft shoulder is arranged in shaft 1, reduces the material cost of shaft 1.
As the utility model one kind, optionally embodiment, iron core 2 are segmented assemblies, and iron core 2 is at least two groups, every group
It is disposed adjacent between iron core 2, the length of monomer iron core 2 can be reduced, reduce difficulty of processing.
As the utility model one kind, optionally embodiment, iron core 2 are provided with locating rod, and locating rod is inclined iron core 2
The all components for running through iron core 2 at the heart, prevent from relatively rotating between each component of iron core 2.
As the utility model one kind optionally embodiment, iron core 2 by silicon steel sheet by rivet laminate molding or by
High permeability material wire cutting molding.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of rotor mechanism characterized by comprising shaft and iron core；
The shaft is coaxial with the iron core, and the shaft runs through the iron core, and the shaft and the iron core are interference fitted；
The shaft is additionally provided with the axial positioning mechanism for preventing the relatively described shaft of the iron core from moving axially and prevents
The circumferentially positioned mechanism that the relatively described shaft of the iron core circumferentially rotates.
2. rotor mechanism according to claim 1, which is characterized in that the axial positioning mechanism includes positioning shaft shoulder
And positioning disk；The shaft runs through the positioning disk, is interference fit between the shaft and the positioning disk；The iron core position
Between the positioning shaft shoulder and the positioning disk.
3. rotor mechanism according to claim 2, which is characterized in that the iron core both ends are additionally provided with gasket；Institute
Shape, the size for stating gasket are identical as shape, the size of cross section on the core length direction；The shaft is through described
Gasket is clearance fit between the gasket and the shaft.
4. rotor mechanism according to claim 3, which is characterized in that the pad between the positioning disk and the iron core
Piece is additionally provided with the groove for accommodating the positioning disk.
5. rotor mechanism according to claim 3, which is characterized in that be additionally provided with insurance on the outside of the positioning disk
Ring, the shaft run through the relieving ring, and the relieving ring and the shaft are interference fitted.
6. rotor mechanism according to claim 1, which is characterized in that the circumferentially positioned mechanism is positioning pin, institute
State the first cotter way and the second cotter way being respectively arranged on iron core and the length direction of the shaft with the detent fit.
7. rotor mechanism according to claim 6, which is characterized in that first cotter way is located at the one of the iron core
End, first cotter way it is open at one end；Second cotter way is located in the middle part of the shaft；The axial positioning mechanism is setting
In the locating stop piece of the other end and the shaft interference fit opposite with first cotter way.
8. rotor mechanism according to claim 1, which is characterized in that the iron core is segmented assemblies, the iron core
It at least two groups, is disposed adjacent between every group of iron core.
9. rotor mechanism according to claim 8, which is characterized in that the iron core is provided with locating rod, described fixed
Position bar runs through all components of the iron core in the eccentric part of the iron core.
10. rotor mechanism according to claim 1, which is characterized in that the iron core is folded by silicon steel sheet by rivet
It is molded or formed by high permeability material wire cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877566.2U CN209217824U (en) | 2018-11-14 | 2018-11-14 | Rotor mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877566.2U CN209217824U (en) | 2018-11-14 | 2018-11-14 | Rotor mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209217824U true CN209217824U (en) | 2019-08-06 |
Family
ID=67459548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821877566.2U Expired - Fee Related CN209217824U (en) | 2018-11-14 | 2018-11-14 | Rotor mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209217824U (en) |
-
2018
- 2018-11-14 CN CN201821877566.2U patent/CN209217824U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20201114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |