CN206041680U - Rotor - Google Patents
Rotor Download PDFInfo
- Publication number
- CN206041680U CN206041680U CN201621096257.2U CN201621096257U CN206041680U CN 206041680 U CN206041680 U CN 206041680U CN 201621096257 U CN201621096257 U CN 201621096257U CN 206041680 U CN206041680 U CN 206041680U
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- groove
- axis hole
- wall
- outwardly projecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a rotor, including the rotor iron core, the rotor iron core is formed towards the piece body is range upon range of by a plurality of, towards the equal A disc -shaped of piece body, central department all is equipped with the shaft hole that supplies the pivot to pass through towards the piece body, be formed with a plurality of through -holes towards the piece body for the part outside the shaft hole, all be equipped with a plurality of magnet steel slot towards the piece body on, magnet steel slot is and uses the shaft hole to set up as the even interval of annular at center, magnet steel slot is rectangular shape so that a plurality of magnet steel slot constitutes the regular polygon structure, magnet steel slot by a plurality of evagination sections in with protruding section constitute, one side cell wall that magnet steel slot is close to the shaft hole is the inner wall, one side cell wall that magnet steel slot kept away from the shaft hole is the outer wall, the inner wall of interior protruding section more is close to than the inner wall of evagination section the shaft hole, the length of evagination section inner wall is greater than magnet steel slot inner wall length half the, the magnet steel has been placed in the magnet steel slot, partial terminal surface that the magnet steel is close to shaft hole one side with evagination section inner wall contacts.
Description
Technical field
This utility model is related to a kind of rotor that can improve motor performance.
Background technology
Rotor is the important accessory of motor, and rotor includes rotor core, magnet steel, the magnetic field of magnet steel and the magnetic field of stator coil
Interact so that rotor is rotated.Rotor core is laminated by some punching bodies, and punching body is each formed with placing magnet steel
Magnet steel groove, magnet steel is fixed in magnet steel groove usually through glue, but the positioning of magnet steel is poor, and cogging torque is larger, can be to motor
Performance impact.
The content of the invention
The purpose of this utility model is to provide a kind of magnet steel and is easily installed rotor that is fixed, can improving motor performance.
For achieving the above object, this utility model is adopted the following technical scheme that：A kind of rotor, including rotor core and turn
The rotating shaft that sub- iron core is mutually fixed, the rotor core are laminated by some punching bodies, and the punching body is in the form of annular discs,
The axis hole passed through for rotating shaft is equipped with the punching body central, and the punching body is formed relative to the part on the outside of axis hole
There are some through holes, securing member is combined with the through hole so that some punching bodies to be fixed together, the punching body
On be equipped with some magnet steel grooves, the magnet steel groove is arranged in the annular uniform intervals centered on axis hole, and the magnet steel groove is in length
So that some magnet steel grooves constitute regular polygon structure, the magnet steel groove is made up of some outwardly projecting portions and interior convex-segment, the magnetic for bar shaped
Steel tank is inwall near the side cell wall of axis hole, and the magnet steel groove is outer wall away from the side cell wall of axis hole, the interior convex-segment
Inwall compared with outwardly projecting portion inwall closer to the axis hole, the length of the outwardly projecting portion inwall is more than the magnet steel groove inwall length
Half, is placed with magnet steel in the magnet steel groove, the elongated setting of the magnet steel, and the magnet steel is near the portion of the side of axis hole
End face is divided to contact with the inwall of the outwardly projecting portion.
This utility model passes through to change the positioning of the shape in order to magnet steel of magnet steel groove, magnet steel contact with outwardly projecting portion inwall
Area is more than the contact area of magnet steel and interior convex-segment outer wall, and magnet steel can adsorb on the inwall of magnet steel groove, subsequently carry out magnet steel axle
To positioning just can carry out the fixation of magnet steel, magnet steel of the present utility model fixes more convenient, and this utility model has and reduces
Cogging torque, the advantage for improving motor performance.Wherein, securing member may be selected screw-nut.
Preferably, the punching body outer rim is formed with some arcuate grooves, the arcuate groove quantity and the magnet steel groove
Quantity is identical, and each arcuate groove is relatively arranged between two neighboring magnet steel groove, and the center of circle of the arcuate groove is not in the punching
On the diameter line of body axis hole.Wherein, the setting of arcuate groove can reduce cogging torque.Wherein, arcuate groove is a round part, root
According to the radian and arcuate groove home position that need calculating and setting arcuate groove.
Preferably, some magnet steel grooves are constituted by convex-segment in an outwardly projecting portion and two, the interior convex-segment is arranged at institute
State the two ends of outwardly projecting portion.The setting of this utility model magnet steel groove is easy in above-mentioned setting.
Preferably, the outer wall of the interior convex-segment compared with outwardly projecting portion outer wall closer to the axis hole.Magnetic is easy in above-mentioned setting
The placement of steel.
Preferably, between the inwall and the magnet steel of the interior convex-segment, between the outer wall of the outwardly projecting portion and the magnet steel
Filled with glue.
Preferably, the magnet steel coordinates in the magnet steel groove, the magnet steel is except contacting with the outwardly projecting portion inwall
Portion end surface outside, the end face of the remainder of magnet steel between the magnet steel groove cell wall is formed with gap to form glue holding
Glue is filled with groove, the glue retention groove.The above-mentioned glue for being provided for magnet steel is fixed.
Preferably, being respectively and fixedly provided with magnet steel in the magnet steel groove, magnetic pole of the adjacent magnet steel near one end of axis hole is different.On
State the setting for being provided for magnet steel.
Preferably, the axis hole is formed with some breach extended to radial outside, the curved setting of the breach.On
State the close-fitting for being provided for rotating shaft and rotor core, when rotating shaft coordinate in rotor core when, breach shrink with reduce rotating shaft with
When rotor core coordinates, the deflection of punching body, increased elasticity at the axis hole for making punching body, to avoid rotating shaft from scratching.
Preferably, the through hole is arranged on the inside of the magnet steel groove, some through holes are in the ring centered on axis hole axis
Shape uniform intervals are arranged.
This utility model has the advantages that to make magnet steel to install, and fixation is more convenient, can improve motor performance.
Description of the drawings
Fig. 1 is a kind of structural representation of punching body of the present utility model；
Fig. 2 is a kind of structural representation that this utility model magnet steel is coordinated with magnet steel groove；
Fig. 3 is enlarged drawing at the A of Fig. 1；
Fig. 4 is enlarged drawing at the B of Fig. 2.
Specific embodiment
This utility model is further described below according to embodiment.
By shown in Fig. 1, Fig. 2, a kind of rotor of the present utility model, including turning that rotor core and rotor core are mutually fixed
Axle, rotor core are laminated by some punching bodies 1, and punching body 1 is in the form of annular discs, and 1 center of punching body is equipped with
For the axis hole 2 that rotating shaft passes through, punching body 1 is combined with through hole 3 relative to four through holes 3 that are formed in part with the outside of axis hole 2
So that some punching bodies 1 to be fixed together, axis hole 2 is formed with a breach 21 extended to radial outside, breach to securing member
21 curved settings.
Punching body 1 is provided with four magnet steel grooves 4, and magnet steel groove 4 is arranged in the annular uniform intervals centered on axis hole 2,
, to constitute square structure, through hole 3 is uniform in the annular centered on 2 axis of axis hole for the elongated setting of four magnet steel grooves 4
Interval setting, and through hole may be contained within the inside of magnet steel groove 4.
By shown in Fig. 1, Fig. 3, Fig. 4, magnet steel groove 4 is made up of convex-segment 42 in an outwardly projecting portion 41 and two, and outwardly projecting portion 41 is located at two
Between individual interior convex-segment 42.Magnet steel groove 4 is inwall near the side cell wall of axis hole 2, and magnet steel groove 4 away from the side cell wall of axis hole 2 is
Outer wall, the inwall of interior convex-segment 42 compared with outwardly projecting portion 41 inwall closer to axis hole 2, the outer wall of the outer wall of interior convex-segment 42 compared with outwardly projecting portion 41
Closer to axis hole 2, length L1 of 41 inwall of outwardly projecting portion is more than the half of 4 inwall length L2 of magnet steel groove.
By shown in Fig. 2, Fig. 3, Fig. 4, in each magnet steel groove 4, magnet steel 5 is placed with, adjacent magnet steel 5 is near one end of axis hole 2
Magnetic pole it is different.5 elongated setting of magnet steel, and the inwall of portion end surface of the magnet steel 5 near the side of axis hole 2 and outwardly projecting portion 41
Contact, have gap between 4 cell wall of remaining end face and magnet steel groove of magnet steel 5 and be formed with glue retention groove 6, in glue retention groove 6
Filled with glue.
By shown in Fig. 1, Fig. 2,1 outer rim of punching body is formed with four arcuate grooves 7,7 quantity of arcuate groove and 4 quantity of magnet steel groove
Identical, each arcuate groove 7 is relatively arranged between two neighboring magnet steel groove 4, and the center of circle of arcuate groove 7 is not in 1 axis hole 2 of punching body
Diameter line on.
The setting of arcuate groove 7 and magnet steel groove 4 is used to reduce cogging torque, improves motor performance.Wherein, according to need
Calculate and arrange home position and the radius size of arcuate groove.
Claims (9)
1. a kind of rotor, including the rotating shaft that rotor core and rotor core are mutually fixed, it is characterised in that if the rotor core by
Dry punching body is laminated, and the punching body is in the form of annular discs, is equipped with and passes through for rotating shaft at the punching body central
Axis hole, the punching body is combined with securing member relative to some through holes that are formed in part with the outside of axis hole in the through hole
So that some punching bodies to be fixed together, on the punching body, be equipped with some magnet steel grooves, the magnet steel groove in
Annular uniform intervals centered on axis hole are arranged, and the magnet steel groove is elongated so that some magnet steel grooves constitute regular polygon knot
Structure, the magnet steel groove are made up of some outwardly projecting portions and interior convex-segment, and the magnet steel groove is inwall near the side cell wall of axis hole, described
Magnet steel groove is outer wall away from the side cell wall of axis hole, the inwall of the interior convex-segment compared with outwardly projecting portion inwall closer to the axis hole,
The length of the outwardly projecting portion inwall is placed with magnet steel more than the half of the magnet steel groove inwall length in the magnet steel groove, described
The elongated setting of magnet steel, and portion end surface of the magnet steel near the side of axis hole contacted with the inwall of the outwardly projecting portion.
2. a kind of rotor according to claim 1, it is characterised in that the punching body outer rim is formed with some arcuate grooves,
The arcuate groove quantity is identical with the magnet steel slot number amount, and each arcuate groove is relatively arranged between two neighboring magnet steel groove, institute
The center of circle of arcuate groove is stated not on the diameter line of the punching body axis hole.
3. a kind of rotor according to claim 1 and 2, it is characterised in that some magnet steel grooves are by an outwardly projecting portion and two
Interior convex-segment composition, the interior convex-segment are arranged at the two ends of the outwardly projecting portion.
4. a kind of rotor according to claim 1 and 2, it is characterised in that outer wall of the outer wall of the interior convex-segment compared with outwardly projecting portion
Closer to the axis hole.
5. a kind of rotor according to claim 1 and 2, it is characterised in that between the inwall and the magnet steel of the interior convex-segment,
Glue is filled between the outer wall of the outwardly projecting portion and the magnet steel.
6. a kind of rotor according to claim 1 and 2, it is characterised in that the magnet steel coordinates in the magnet steel groove, institute
Magnet steel is stated in addition to the portion end surface contacted with the outwardly projecting portion inwall, the end face of the remainder of magnet steel with the magnet steel groove
Gap is formed between cell wall be filled with glue retention groove, the glue retention groove glue to be formed.
7. a kind of rotor according to claim 1 and 2, it is characterised in that be respectively and fixedly provided with magnet steel in the magnet steel groove is adjacent
Magnetic pole of the magnet steel near one end of axis hole is different.
8. a kind of rotor according to claim 1 and 2, it is characterised in that the axis hole is formed with and some prolongs to radial outside
The breach stretched, the curved setting of the breach.
9. a kind of rotor according to claim 1 and 2, it is characterised in that the through hole is arranged on the inside of the magnet steel groove,
Some through holes are arranged in the annular uniform intervals centered on axis hole axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096257.2U CN206041680U (en) | 2016-09-30 | 2016-09-30 | Rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096257.2U CN206041680U (en) | 2016-09-30 | 2016-09-30 | Rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206041680U true CN206041680U (en) | 2017-03-22 |
Family
ID=58297691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621096257.2U Active CN206041680U (en) | 2016-09-30 | 2016-09-30 | Rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206041680U (en) |
-
2016
- 2016-09-30 CN CN201621096257.2U patent/CN206041680U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106130286A (en) | Single-phase external rotor motor and rotor thereof | |
| JP2014239586A5 (en) | ||
| CN102412645A (en) | Motor rotor body | |
| CN205429898U (en) | Motor, power device and unmanned vehicles | |
| BR102015012415A2 (en) | permanent magnet for a motor pole | |
| CN108352739B (en) | Rotor core, rotor and motor comprising same | |
| CN206041680U (en) | Rotor | |
| CN104104170A (en) | Motor and rotor thereof | |
| CN202634112U (en) | Rotor component structure | |
| CN206041679U (en) | Rotor sheet | |
| JP2018011456A (en) | Permanent magnet motor | |
| CN204030783U (en) | A kind of plastic packaging motor | |
| CN204761192U (en) | External rotor electric machine | |
| CN204011046U (en) | A kind of multiplex Winder | |
| CN204407122U (en) | Permanent magnet and rotor assembly | |
| CN104416354B (en) | High-efficiency precision confidential paper assembling device | |
| JP2012023854A5 (en) | ||
| CN205195522U (en) | Single -Phase permanent -Magnet motor | |
| CN204886443U (en) | Motor stator punching piece | |
| TW200644383A (en) | Motor stator | |
| CN206313552U (en) | A kind of motor stator punching and apply its motor | |
| CN102611226A (en) | Motor rotor | |
| CN202309286U (en) | Motor rotor | |
| KR20160050353A (en) | An electric motor in which the battery is inserted into the wheel | |
| CN205829335U (en) | Rotor core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |