CN219554690U - Disk type motor rotor - Google Patents
Disk type motor rotor Download PDFInfo
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- CN219554690U CN219554690U CN202320213797.8U CN202320213797U CN219554690U CN 219554690 U CN219554690 U CN 219554690U CN 202320213797 U CN202320213797 U CN 202320213797U CN 219554690 U CN219554690 U CN 219554690U
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- rotor
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- spoke
- grooves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model relates to a disk motor rotor, which comprises N pieces of fan-shaped magnetic steel, wherein the middle parts of two side surfaces of the magnetic steel are provided with straight grooves, and the middle parts of small cambered surfaces are provided with arc grooves; the rotor support comprises a hub, the hub is fixedly connected with N spokes which are uniformly distributed and radially, the middle part of the circumferential circular surface of the hub extends outwards to form an arc-shaped boss, and the arc-shaped boss can be inserted into an arc-shaped groove; the middle parts of the two side surfaces of the spoke extend outwards to form spoke straight bosses, and the spoke straight bosses can be inserted into the straight grooves; spoke arc grooves are respectively formed in the front and rear faces close to the free ends of the spokes; the rotor cutting ferrule is evenly provided with N fan-shaped notches penetrating through the rotor cutting ferrule, the fan-shaped notches extend inwards on the inner face of the rotor cutting ferrule to form fan-shaped caulking grooves, the bottom faces of the fan-shaped caulking grooves are abutted against the bottom faces of spoke arc-shaped grooves, the two side faces of the notches are abutted against the side faces of the spoke, the inner circular face of the rotor cutting ferrule is abutted against the large arc face of the magnetic steel, and N is an integer greater than or equal to 5. The utility model has high strength.
Description
Technical Field
The present utility model relates to motors, and more particularly, to a disk motor rotor.
Background
The permanent magnet of the disc permanent magnet motor mostly adopts a labeling structure, and the fixation of magnetic steel is a difficult point and a key point of motor production due to the action of electromagnetic force and centrifugal force.
The Chinese patent of publication No. CN111211630A discloses a disk motor rotor, which comprises an upper rotor disk and a lower rotor disk which are fixedly connected relatively, wherein a plurality of mounting slots which are matched relatively are arranged between the upper rotor disk and the lower rotor disk, magnetic steel is arranged in the mounting slots, and a matched limiting structure is arranged on the walls of the magnetic steel and the mounting slots. However, because the rotor is formed by fixedly connecting the upper rotor disc and the lower rotor disc relatively, the concentricity of the central holes of the upper rotor disc and the lower rotor disc cannot be ensured, or the concentricity is difficult to ensure.
Disclosure of Invention
In order to overcome the defects or one of the defects in the prior art, the utility model aims to disclose a disk motor rotor, and adopts the following technical scheme:
the disc type motor rotor comprises N pieces of fan-shaped magnetic steel, wherein straight grooves are formed in the middle of two side surfaces of the magnetic steel, and arc grooves are formed in the middle of a small arc surface; the rotor support comprises a hub, the hub is fixedly connected with N spokes which are uniformly distributed and radially, the middle part of the circumferential circular surface of the hub extends outwards to form an arc-shaped boss, and the arc-shaped boss can be inserted into an arc-shaped groove; the middle parts of the two side surfaces of the spoke extend outwards to form spoke straight bosses, and the spoke straight bosses can be inserted into the straight grooves; spoke arc grooves are respectively formed in the front and rear faces close to the free ends of the spokes; the rotor cutting ferrule is evenly provided with N fan-shaped notches penetrating through the rotor cutting ferrule, the fan-shaped notches extend inwards on the inner face of the rotor cutting ferrule to form fan-shaped caulking grooves, the bottom faces of the fan-shaped caulking grooves are abutted against the bottom faces of spoke arc-shaped grooves, the two side faces of the notches are abutted against the side faces of the spoke, the inner circular face of the rotor cutting ferrule is abutted against the large arc face of the magnetic steel, and N is an integer greater than or equal to 5.
Further, through holes are formed in the middle positions of the adjacent 2 caulking grooves on the 1 rotor clamping sleeve, screw holes are formed in the corresponding positions of the other rotor clamping sleeve, and the screws penetrate through the through holes and then are in threaded connection with the screw holes to fixedly connect the 2 rotor clamping sleeves together.
Further, the thickness of the rotor ferrule is equal to half the thickness of the spoke.
Further, the depth of the sector-shaped caulking groove is equal to half of the thickness of the rotor cutting sleeve, and the depth of the spoke arc-shaped groove is equal to the depth of the sector-shaped caulking groove.
Further, the thickness of the magnetic steel is equal to the thickness of the spoke.
Further, the outer diameter of the magnetic steel is equal to the inner diameter of the rotor cutting sleeve.
Further, the outer diameter of the spokes is equal to the outer diameter of the rotor ferrule.
Compared with the prior art, the rotor bracket has the advantages that the rotor bracket is of an integrated structure formed by the hub and the spoke, the strength is high, meanwhile, the concentricity is ensured because the center hole of the rotor bracket can be machined by one cutter, in addition, the rotor bracket is simple in structure, convenient to assemble and few in required fasteners.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a rotor bracket according to the present utility model.
Fig. 2 is a schematic structural diagram of the magnetic steel of the present utility model.
Fig. 3 is a schematic structural view of the rotor ferrule of the present utility model.
Fig. 4 is a schematic view of the assembled components of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or connected internally of two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The disc type motor rotor shown in fig. 1-4 comprises 8 fan-shaped magnetic steels 2, wherein straight grooves 21 are formed in the middle of two side surfaces of the magnetic steels 2, and arc-shaped grooves 22 are formed in the middle of small arc surfaces; the rotor support comprises a rotor support body 1 and 2 rotor clamping sleeves 3, wherein the rotor support body 1 comprises a hub 11, the hub 11 is fixedly connected with 8 spokes 12 which are uniformly distributed and radially, the middle part of the circumferential circular surface of the hub 11 extends outwards to form an arc-shaped boss 111, and the arc-shaped boss 111 can be inserted into an arc-shaped groove 22; the middle parts of the two side surfaces of the spoke 12 respectively extend outwards to form spoke straight bosses 13, and the spoke straight bosses 13 can be inserted into the straight grooves 21; spoke arc grooves 14 are respectively formed in the front and rear faces close to the free ends of the spokes 12; the rotor cutting ferrule 3 is evenly provided with 8 sector-shaped notches 32 penetrating through the rotor cutting ferrule 3, the sector-shaped notches 32 inwards extend on the inner face of the rotor cutting ferrule 3 to form sector-shaped caulking grooves 31, the bottom faces of the sector-shaped caulking grooves 31 are abutted against the bottom faces of the spoke arc-shaped grooves 14, the two side faces of the notches 32 are abutted against the side faces of the spoke 12, and the inner circular face of the rotor cutting ferrule 3 is abutted against the large arc face of the magnetic steel 2. Wherein through holes are formed in the middle positions of the adjacent 2 caulking grooves 31 on the 1 rotor clamping sleeve 3, screw holes are formed in the corresponding positions of the other rotor clamping sleeve 3, and the screws of the screws 4 penetrate through the through holes and then are in threaded connection with the screw holes to fixedly connect the 2 rotor clamping sleeves 3 together.
More specifically, the rotor ferrule 3 has a thickness equal to half the thickness of the spokes 12. The depth of the sector-shaped caulking groove 31 is equal to half the thickness of the rotor ferrule 3, and the depth of the spoke arc-shaped groove 14 is equal to the depth of the sector-shaped caulking groove 31. The thickness of the magnetic steel 2 is equal to the thickness of the spoke 12. The outer diameter of the magnet steel 2 is equal to the inner diameter of the rotor cutting ferrule 3. The outer diameter of the spokes 12 is equal to the outer diameter of the rotor ferrule 3.
The rotor bracket of the utility model has an integrated structure formed by the hub and the spoke, has high strength, and simultaneously ensures concentricity because the center hole of the rotor bracket can be processed by one cutter.
The present utility model is not described in detail in the prior art or common general knowledge in the art.
Claims (7)
1. The disc type motor rotor comprises N pieces of fan-shaped magnetic steel (2), and is characterized in that straight grooves (21) are formed in the middle of two side surfaces of the magnetic steel (2), and arc grooves (22) are formed in the middle of small arc surfaces; the rotor comprises a rotor support (1) and 2 rotor clamping sleeves (3), wherein the rotor support (1) comprises a hub (11), the hub (11) is fixedly connected with N spokes (12) which are uniformly distributed and radially, the middle part of the circumferential circular surface of the hub (11) extends outwards to form an arc-shaped boss (111), and the arc-shaped boss (111) can be inserted into an arc-shaped groove (22); the middle parts of the two side surfaces of the spoke (12) respectively extend outwards to form spoke straight bosses (13), and the spoke straight bosses (13) can be inserted into the straight grooves (21); the front and rear faces close to the free ends of the spokes (12) are respectively provided with spoke arc-shaped grooves (14); evenly set up N on rotor cutting ferrule (3) and pierce through fan-shaped notch (32) of rotor cutting ferrule (3), fan-shaped notch (32) inwards extend on the inner face of rotor cutting ferrule (3) and form fan-shaped caulking groove (31), the bottom surface of fan-shaped caulking groove (31) butt spoke bottom surface of arc wall (14), the side of notch (32) both sides face butt spoke (12), the major arc face of interior round face butt magnet steel (2) of rotor cutting ferrule (3), N is the integer of more than or equal to 5.
2. A disc motor rotor according to claim 1, wherein the middle position of the adjacent 2 caulking grooves (31) on 1 rotor clamping sleeve (3) is provided with a through hole, the corresponding position of the other rotor clamping sleeve (3) is provided with a screw hole, and the screw rod of the screw (4) passes through the through hole and is screwed with the screw hole to fixedly connect the 2 rotor clamping sleeves (3) together.
3. A disc motor rotor according to claim 1, characterized in that the thickness of the rotor ferrule (3) is equal to half the thickness of the spokes (12).
4. A disc motor rotor according to claim 1, characterized in that the depth of the sector-shaped grooves (31) is equal to half the thickness of the rotor ferrule (3), and the depth of the spoke-shaped grooves (14) is equal to the depth of the sector-shaped grooves (31).
5. A disc motor rotor according to claim 1, characterized in that the thickness of the magnet steel (2) is equal to the thickness of the spokes (12).
6. A disc motor rotor according to claim 1, characterized in that the outer diameter of the magnet steel (2) is equal to the inner diameter of the rotor ferrule (3).
7. A disc motor rotor according to claim 1, characterized in that the outer diameter of the spokes (12) is equal to the outer diameter of the rotor ferrule (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320213797.8U CN219554690U (en) | 2023-02-15 | 2023-02-15 | Disk type motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320213797.8U CN219554690U (en) | 2023-02-15 | 2023-02-15 | Disk type motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219554690U true CN219554690U (en) | 2023-08-18 |
Family
ID=87700890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320213797.8U Active CN219554690U (en) | 2023-02-15 | 2023-02-15 | Disk type motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219554690U (en) |
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2023
- 2023-02-15 CN CN202320213797.8U patent/CN219554690U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |