CN210297375U - Rotor motor of straight surface magnetic steel sheet - Google Patents
Rotor motor of straight surface magnetic steel sheet Download PDFInfo
- Publication number
- CN210297375U CN210297375U CN201921419766.8U CN201921419766U CN210297375U CN 210297375 U CN210297375 U CN 210297375U CN 201921419766 U CN201921419766 U CN 201921419766U CN 210297375 U CN210297375 U CN 210297375U
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- iron core
- magnetic steel
- steel sheet
- permanent magnet
- flat magnetic
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model belongs to the technical field of motor device, concretely relates to rotor motor of straight surface magnetic steel sheet, including casing and stator and permanent magnet rotor that set up in the casing, permanent magnet rotor includes pivot and interior iron core, and interior iron core couples with the pivot, and interior iron core circumference distributes has even number piece permanent magnet, the permanent magnet is straight surface magnetic steel sheet, and each straight surface magnetic steel sheet couples with interior iron core through outer iron core respectively to pass through the bolt fastening; the flat magnetic steel sheet is located between the outer iron core and the inner iron core, the bolt penetrates through the outer iron core and the flat magnetic steel sheet in sequence to be connected with the inner iron core, the contact surface of the inner iron core and the flat magnetic steel sheet is a plane, the inner surface of the outer iron core is a plane, and the outer surface of the outer iron core is an arc surface. The utility model discloses a straight flat magnetic steel sheet makes like this to simplify the processing degree of difficulty to magnet greatly on the basis of guaranteeing the performance, controls characteristics such as the precision of product more easily, reduction manufacturing cost, the modularization batch production between suitable different series.
Description
Technical Field
The utility model belongs to the technical field of motor device, concretely relates to rotor electric machine of flat planar magnetic steel piece.
Background
Common permanent magnet rotor includes rotor core, rotor shaft, and the rotor shaft passes rotor core's shaft hole to be in the same place with the fastening of rotor core, be equipped with a plurality of logical groove or boss on rotor core, a plurality of magnetic shoe respectively the spiral-lock between two adjacent bosses or arrange logical inslot in, and still need the corresponding gluing agent of coating. However, the magnetic shoe is mostly made of round or arc magnetic steel sheets, so that the machining difficulty is high, the manufacturing cost is high, and the parts are not easy to realize universalization.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a rotor electric machine of straight flat magnetic steel piece, the magnetic shoe among this rotor electric machine adopts square structure, can reduce the processing degree of difficulty and conveniently realize fixedly.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a rotor motor of a straight-surface magnetic steel sheet comprises a shell, and a stator and a permanent magnet rotor which are arranged in the shell, wherein the permanent magnet rotor comprises a rotating shaft and an inner iron core, the inner iron core is connected with the rotating shaft, even permanent magnets are distributed on the inner iron core in the circumferential direction, the permanent magnets are straight-surface magnetic steel sheets, and each straight-surface magnetic steel sheet is connected with the inner iron core through an outer iron core and fixed through bolts; the flat magnetic steel sheet is located between the outer iron core and the inner iron core, the bolt penetrates through the outer iron core and the flat magnetic steel sheet in sequence to be connected with the inner iron core, the contact surface of the inner iron core and the flat magnetic steel sheet is a plane, the inner surface of the outer iron core is a plane, and the outer surface of the outer iron core is an arc surface.
The cross section of the inner iron core is in a regular polygon shape.
The cross section of the inner iron core is in a shape of a regular quadrangle.
Four magnetic steel sheets are arranged on the straight surface.
And each flat magnetic steel sheet is connected with the inner iron core through the outer iron core and is fixed through three bolts.
Compared with the prior art, the utility model, the beneficial effect who has is:
the utility model discloses the motor that adopts circular or convex magnetic steel sheet with the tradition makes rotor motor can adopt flat magnetic steel sheet through adopting "sugarcoated haw" formula structure, makes like this to simplify the processing degree of difficulty to magnet greatly on the basis of guaranteeing the performance, controls characteristics such as the precision of product more easily, reduces manufacturing cost, modularization batch production between suitable different series.
Drawings
Fig. 1 is a longitudinal sectional view of the overall structure of the present invention;
fig. 2 is a transverse sectional view of the overall structure of the present invention;
figure 3 is an isometric view of the rotor of the present invention;
wherein: the magnetic steel sheet-type air conditioner comprises a shell, a circuit board, a return spring, a rotating shaft, an aviation plug, a circular arc coil frame, a circular arc coil, a spring seat, a shell cooling frame, a base, an aviation plug seat, a wiring terminal, an inner iron core, a flat magnetic steel sheet, an outer iron core, a bearing and a bearing seat, wherein the shell is 1, the circuit board is 2, the return spring is 3, the rotating shaft is 4, the aviation plug is 5, the circular arc coil frame is 6, the circular arc coil is 7, the spring seat is.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a conventional motor mainly includes a housing 1, and a stator and a permanent magnet rotor provided in the housing 1. A stator: a group of circular arc coils 7 is arranged on the shell 1 through a coil rack to form a cylindrical coil group; a permanent magnet rotor: the permanent magnet is a flat magnetic steel sheet 14, each flat magnetic steel sheet 14 is respectively connected with the inner iron core 13 through an outer iron core 15 and fixed through bolts, a corresponding counter bore is arranged on the outer iron core 15, a corresponding through hole is arranged on the flat magnetic steel sheet 14, and a corresponding threaded hole is arranged on the inner iron core 13; the shape of the flat magnetic steel sheet 14 is square. The bolt needs to be made of non-magnetic conductive material.
The straight magnetic steel sheet 14 is positioned between the outer iron core 15 and the inner iron core 13, the bolt sequentially penetrates through the outer iron core 15 and the straight magnetic steel sheet 14 to be connected with the inner iron core 13, the contact surface of the inner iron core 13 and the straight magnetic steel sheet 14 is a plane, the inner surface of the outer iron core 15 is a plane, and the outer surface of the outer iron core 15 is an arc surface. The flat magnetic steel sheet 14 is fixed on the inner iron core 13 through an axial arc-shaped outer iron core 15 to form an axial cylindrical magnetic steel group with a sugarcoated haw type structure.
The electric machines known in the prior art also comprise the following components: the circuit board 2, the return spring 3, the aviation plug 5, the spring seat 8, the shell cooling frame 9, the base 10, the aviation plug seat 11, the binding post 12, the bearing 16 and the bearing seat 17. After the rotating shaft 4 penetrates into the inner iron core 13, the return spring 3 and the spring seat 8 are arranged on the rotating shaft 4, two bearings 16 are respectively fixed at two ends of the rotating shaft 4 penetrating into the inner iron core 13 to form a rotor set, the combined rotor set is inserted into the cylindrical coil set, a binding post 12 provided with a feedback signal magnet is arranged at the short end of the rotor set, a shell cooling frame 9, a bearing seat 17 and a base 10 are arranged outside components such as a coil assembly, a rotor assembly and the like, and a circuit board 2 and a fixed aviation plug seat 11 provided with an aviation plug 5 are fixed on the base 10.
The utility model discloses an axial of constituteing "sugarcoated haw" formula structure by straight face magnet steel and interior iron core 13 and convex outer iron core 15 is cylindric magnet steel group, pivot 4 passes magnet group and forms cylindrical rotor group, rotor group insert install the circular coil group that the convex coil of several 7 formed, it drives rotor group rotation formation moment of torsion and carries out return control through return spring 3 to produce magnetic field for adorning the power supply of convex coil 7 on convex coil former 6, casing 1 and casing cooling frame 9 are installed and are played the guard action to parts such as coil pack and rotor subassembly outside, control the whole operation of rotor motor by circuit board 2 through aviation plug 5 connection, thereby realized the full function control to the motor.
Adopt and be convex outer iron core 15 along 4 directions of pivot to constitute the axial to be cylindric magnet steel group with flat face magnet steel fixed on inner iron core 13, simplified the processing degree of difficulty to magnet greatly, realize the precision control of product more easily, reduce manufacturing cost.
Further, the cross-sectional shape of the inner core 13 is a regular polygon.
Further, the cross-sectional shape of the inner core 13 is a regular quadrangle.
Further, four flat magnetic steel sheets 14 are provided.
Further, each flat magnetic steel sheet 14 is connected with the inner iron core 13 through the outer iron core 15 and fixed by bolts, and the number of the bolts can be set according to actual conditions, preferably three.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (5)
1. The utility model provides a rotor motor of flat magnetic steel piece, includes casing (1) and sets up stator and the permanent magnet rotor in casing (1), permanent magnet rotor includes pivot (4) and interior iron core (13), and interior iron core (13) and pivot (4) hookup, and interior iron core (13) circumference distributes and has even number piece permanent magnet, its characterized in that: the permanent magnet is a flat magnetic steel sheet (14), and each flat magnetic steel sheet (14) is connected with the inner iron core (13) through the outer iron core (15) and fixed through bolts; the straight magnetic steel sheet (14) is positioned between the outer iron core (15) and the inner iron core (13), the bolt sequentially penetrates through the outer iron core (15) and the straight magnetic steel sheet (14) to be connected with the inner iron core (13), the contact surface of the inner iron core (13) and the straight magnetic steel sheet (14) is a plane, the inner surface of the outer iron core (15) is a plane, and the outer surface of the outer iron core is an arc surface.
2. The flat magnetic steel sheet rotor motor according to claim 1, wherein: the cross section of the inner iron core (13) is in a regular polygon shape.
3. The flat magnetic steel sheet rotor motor according to claim 2, wherein: the cross section of the inner iron core (13) is in a shape of a regular quadrangle.
4. A flat magnetic steel sheet rotor motor according to claim 1 or 3, wherein: four magnetic steel sheets (14) with straight surfaces are arranged.
5. The flat magnetic steel sheet rotor motor according to claim 1, wherein: each flat magnetic steel sheet (14) is connected with the inner iron core (13) through the outer iron core (15) and is fixed through three bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419766.8U CN210297375U (en) | 2019-08-29 | 2019-08-29 | Rotor motor of straight surface magnetic steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419766.8U CN210297375U (en) | 2019-08-29 | 2019-08-29 | Rotor motor of straight surface magnetic steel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210297375U true CN210297375U (en) | 2020-04-10 |
Family
ID=70063906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921419766.8U Active CN210297375U (en) | 2019-08-29 | 2019-08-29 | Rotor motor of straight surface magnetic steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210297375U (en) |
-
2019
- 2019-08-29 CN CN201921419766.8U patent/CN210297375U/en active Active
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