CN204205742U - The motor of a kind of stator punching and application thereof - Google Patents
The motor of a kind of stator punching and application thereof Download PDFInfo
- Publication number
- CN204205742U CN204205742U CN201420622531.XU CN201420622531U CN204205742U CN 204205742 U CN204205742 U CN 204205742U CN 201420622531 U CN201420622531 U CN 201420622531U CN 204205742 U CN204205742 U CN 204205742U
- Authority
- CN
- China
- Prior art keywords
- stator punching
- line embedding
- stator
- end cap
- boss
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses the motor of a kind of stator punching and application thereof, described stator punching is square, there are 4 trimmings, centre bore is provided with in the middle of stator punching, some line embedding grooves are offered inside stator punching, line embedding groove is communicated with centre bore, teeth portion is formed between two adjacent line embedding grooves, line embedding groove and teeth portion be the distribution of hole circumference centrally, about the distance range of axisymmetric 2 trimmings in center at 120mm to 125mm, the diameter range of centre bore is at 68mm to 73mm, the width range of teeth portion is at 5.0mm to 6.0mm, the width of rebate scope of line embedding groove is at 2.4mm to 2.8mm, by the flute profile size of appropriate design stator punching, magnetic circuit on stator punching is balanced, magnetic flux density is uniformly distributed, improve the processing performance that it is produced, reduce raw-material use, reduce costs.
Description
Technical field:
The utility model relates to the motor of a kind of stator punching and application thereof, belongs to machine field.
Background technology:
Proportion due to aluminium enamel-covered wire is 1/3 of copper enamelled wire, and the price of aluminium enamel-covered wire is 1/2 of the price of copper enamelled wire, therefore existing copper cash motor is changed electric machine with aluminium winding has sizable cost advantage.But because the resistance ratio copper cash of aluminum steel is large, if design electric machine with aluminium winding stator punching by the structure of copper cash motor stator punching, the magnetic circuit imbalance of poor, the stator punching of processing performance produced in batches will be caused, but also the problem such as the close satiety of the magnetic that there will be stator punching teeth portion or yoke portion, temperature rise or motor noise be large.
Summary of the invention:
The purpose of this utility model is to provide the motor of a kind of stator punching and application thereof, by the flute profile size of appropriate design stator punching, make that the magnetic circuit on stator punching balances, magnetic flux density is uniformly distributed, improve the processing performance that it is produced, reduce raw-material use, reduce costs;
This electric machine structure is simple, and the magnetic circuit balance on stator punching, magnetic flux density are uniformly distributed, and electric efficiency is high, temperature rise and noise little.
The purpose of this utility model is achieved by following technical proposals.
A kind of stator punching, described stator punching is square, there are 4 trimmings, centre bore is provided with in the middle of stator punching, some line embedding grooves are offered inside stator punching, line embedding groove is communicated with centre bore, teeth portion is formed between two adjacent line embedding grooves, line embedding groove and teeth portion be the distribution of hole circumference centrally, about the distance range of axisymmetric 2 trimmings in center at 120mm to 125mm, the diameter range of centre bore is at 68mm to 73mm, and the width range of teeth portion is at 5.0mm to 6.0mm, and the width of rebate scope of line embedding groove is at 2.4mm to 2.8mm.
The quantity of line embedding groove described above is 24, line embedding groove centrally hole circumference evenly arrangement.
Chamfered transition is provided with between adjacent 2 trimmings described above.
A kind of motor, comprise rotating shaft, rotor assembly, stator module and end cap, rotor assembly is arranged in rotating shaft, stator module is nested in outside rotor assembly, end cap is arranged on the end of stator module, shaft support is on the bearing of two end cap, described stator module comprises the stator core be formed by stacking by some stator punchings and the coil windings be wound on stator core, described stator punching is square, there are 4 trimmings, centre bore is provided with in the middle of stator punching, some line embedding grooves are offered inside stator punching, line embedding groove is communicated with centre bore, teeth portion is formed between two adjacent line embedding grooves, line embedding groove and teeth portion be the distribution of hole circumference centrally, about the distance range of axisymmetric 2 trimmings in center at 120mm to 125mm, the diameter range of centre bore is at 68mm to 73mm, the width range of teeth portion is at 5.0mm to 6.0mm, the width of rebate scope of line embedding groove is at 2.4mm to 2.8mm.
Described above is provided with boss on end cap, and boss is provided with terminal plate.
Terminal plate described above comprises installation portion and the wire connecting portion for being connected ground wire, offers through hole in the middle of installation portion, boss is nested in inside through hole, by the top riveting of boss is fixed on installation portion on end cap.
Installation portion described above is square, the side, end cap of boss is provided with positioning convex strip, aliging with positioning convex strip of installation portion.
Boss described above and positioning convex strip and end cap are that integrally casting is shaped
The utility model compared with prior art, has following effect:
1) about the distance range of axisymmetric 2 trimmings in center at 120mm to 125mm, the diameter range of centre bore is at 68mm to 73mm, the width range of teeth portion is at 5.0mm to 6.0mm, the width of rebate scope of line embedding groove is at 2.4mm to 2.8mm, by the flute profile size of appropriate design stator punching, make that the magnetic circuit on stator punching balances, magnetic flux density is uniformly distributed, improve the processing performance that it is produced, reduce raw-material use, reduce costs;
2) this electric machine structure is simple, and the magnetic circuit balance on stator punching, magnetic flux density are uniformly distributed, and electric efficiency is high, temperature rise and noise little;
3) terminal plate comprises installation portion and the wire connecting portion for being connected ground wire, offers through hole in the middle of installation portion, boss is nested in inside through hole, and by the top riveting of boss is fixed on installation portion on end cap, structure is simple, easy for installation, firm;
4) installation portion is square, the side, end cap of boss is provided with positioning convex strip, aliging with positioning convex strip of installation portion, improves the operating efficiency of location and installation, has effect that is spacing, mistake proofing simultaneously, make the installation of terminal plate meet code requirement;
5) on boss side, end cap, offer installing hole, installing hole is provided with connector, coil windings is connected with outside power supply by connector, easy to operate, reliable.
Accompanying drawing illustrates:
Fig. 1 is the stereogram of the utility model stator punching;
Fig. 2 is the stereogram of the utility model motor;
Fig. 3 is the exploded view of the utility model motor;
Fig. 4 is the installation diagram of the utility model end cap and terminal plate.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as shown in Figure 1, the utility model is a kind of stator punching, described stator punching 1 is square, there are 4 trimmings 11, chamfering 14 transition is provided with between adjacent 2 trimmings 11, centre bore 10 is provided with in the middle of stator punching 1, 24 line embedding grooves 12 are offered inside stator punching 1, line embedding groove 12 is communicated with centre bore 10, teeth portion 13 is formed between two adjacent line embedding grooves 12, the centrally hole 10 circumference evenly arrangement of line embedding groove 12 and teeth portion 13, about the distance A scope of 2 trimmings 11 of central shaft A1 symmetry at 120mm to 125mm, the diameter D scope of centre bore 10 is at 68mm to 73mm, the width B scope of teeth portion 13 is at 5.0mm to 6.0mm, the width of rebate C scope of line embedding groove 12 is at 2.4mm to 2.8mm.
Embodiment two: as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, the utility model is a kind of motor, comprise rotating shaft 2, rotor assembly 3, stator module 4 and end cap 5, rotor assembly 3 is arranged in rotating shaft 2, stator module 4 is nested in outside rotor assembly 3, end cap 5 is arranged on the end of stator module 4, rotating shaft 2 is bearing on the bearing of two end cap 5, described stator module 4 comprises the stator core 41 be formed by stacking by some stator punchings 1 and the coil windings 42 be wound on stator core 41, described stator punching 1 is square, there are 4 trimmings 11, chamfering 14 transition is provided with between adjacent 2 trimmings 11, centre bore 10 is provided with in the middle of stator punching 1, 24 line embedding grooves 12 are offered inside stator punching 1, line embedding groove 12 is communicated with centre bore 10, teeth portion 13 is formed between two adjacent line embedding grooves 12, the centrally hole 10 circumference evenly arrangement of line embedding groove 12 and teeth portion 13, about the distance A scope of 2 trimmings 11 of central shaft A1 symmetry at 120mm to 125mm, the diameter D scope of centre bore 10 is at 68mm to 73mm, the width B scope of teeth portion 13 is at 5.0mm to 6.0mm, the width of rebate C scope of line embedding groove 12 is at 2.4mm to 2.8mm.
End cap 5 is provided with boss 51, boss 51 is provided with terminal plate 6.Terminal plate 6 comprises installation portion 61 and the wire connecting portion 62 for being connected ground wire, offers through hole 610 in the middle of installation portion 61, boss 51 is nested in inside through hole 610, by the top riveting of boss 51 is fixed on installation portion 61 on end cap 5.Installation portion 61 is square, and the side of boss 51, end cap 5 are provided with positioning convex strip 52, aliging with positioning convex strip 52 of installation portion 61.Boss 51 and positioning convex strip 52 are that integrally casting is shaped with end cap 5.Boss 51 side, end cap 5 offer installing hole 53, installing hole 53 is provided with connector 7, coil windings 42 is connected with outside power supply by connector 7.
Above embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. a stator punching, described stator punching (1) is square, there are 4 trimmings (11), centre bore (10) is provided with in the middle of stator punching (1), some line embedding grooves (12) are offered in stator punching (1) inner side, line embedding groove (12) is communicated with centre bore (10), teeth portion (13) is formed between two adjacent line embedding grooves (12), centrally hole (10) circumference distribution of line embedding groove (12) and teeth portion (13), it is characterized in that: about the distance range of symmetrical 2 trimmings (11) of central shaft (A1) at 120mm to 125mm, the diameter range of centre bore (10) is at 68mm to 73mm, the width range of teeth portion (13) is at 5.0mm to 6.0mm, the width of rebate scope of line embedding groove (12) is at 2.4mm to 2.8mm.
2. a kind of stator punching according to claim 1, is characterized in that: the quantity of described line embedding groove (12) is 24, and line embedding groove (12) centrally hole (10) circumference is evenly arranged.
3. a kind of stator punching according to claim 1 and 2, is characterized in that: be provided with chamfering (14) transition between adjacent 2 trimmings (11).
4. a motor, comprise rotating shaft (2), rotor assembly (3), stator module (4) and end cap (5), rotor assembly (3) is arranged in rotating shaft (2), stator module (4) is nested in rotor assembly (3) outside, end cap (5) is arranged on the end of stator module (4), rotating shaft (2) is bearing on the bearing of two end cap (5), described stator module (4) comprises the stator core (41) be formed by stacking by some stator punchings (1) and the coil windings (42) be wound on stator core (41), it is characterized in that: described stator punching (1) is the stator laminating structure of claims 1 to 3 described by any one.
5. a kind of motor according to claim 4, is characterized in that: on end cap (5), be provided with boss (51), and boss (51) is provided with terminal plate (6).
6. a kind of motor according to claim 5, it is characterized in that: described terminal plate (6) comprises installation portion (61) and the wire connecting portion (62) for being connected ground wire, through hole (610) is offered in the middle of installation portion (61), boss (51) is nested in through hole (610) the inside, by the top riveting of boss (51) is fixed on installation portion (61) on end cap (5).
7. a kind of motor according to claim 6, it is characterized in that: described installation portion (61) is square, the side, end cap (5) of boss (51) are provided with positioning convex strip (52), aliging with positioning convex strip (52) of installation portion (61).
8. a kind of motor according to claim 7, is characterized in that: boss (51) and positioning convex strip (52) are that integrally casting is shaped with end cap (5).
9. a kind of motor according to claim 5 or 6 or 7 or 8, it is characterized in that: on boss (51) side, end cap (5), offer installing hole (53), installing hole (53) is provided with connector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420622531.XU CN204205742U (en) | 2014-10-25 | 2014-10-25 | The motor of a kind of stator punching and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420622531.XU CN204205742U (en) | 2014-10-25 | 2014-10-25 | The motor of a kind of stator punching and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204205742U true CN204205742U (en) | 2015-03-11 |
Family
ID=52663658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420622531.XU Expired - Fee Related CN204205742U (en) | 2014-10-25 | 2014-10-25 | The motor of a kind of stator punching and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204205742U (en) |
-
2014
- 2014-10-25 CN CN201420622531.XU patent/CN204205742U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20191025 |