CN212572204U - Stator punching sheet, stator assembly and motor using same - Google Patents
Stator punching sheet, stator assembly and motor using same Download PDFInfo
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- CN212572204U CN212572204U CN202021484821.4U CN202021484821U CN212572204U CN 212572204 U CN212572204 U CN 212572204U CN 202021484821 U CN202021484821 U CN 202021484821U CN 212572204 U CN212572204 U CN 212572204U
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Abstract
The utility model discloses a stator punching and stator module and motor of using thereof, including annular yoke portion and a plurality of stator tooth portion that stretch out from annular yoke portion inboard, stator tooth portion inboard sets up the centre bore, forms the rule groove between the adjacent stator tooth portion, and the rule groove includes big rule groove and little rule groove, its characterized in that: the range value of the inner diameter D1 of the central hole is 75mm to 85mm, the range value of the tooth width L1 of the stator tooth part is 4.9mm to 5.9mm, the range value of the diameter D2 of the tangent circle of the groove bottom of the large caulking groove is 102.4mm to 112.4mm, the range value of the diameter D3 of the tangent circle of the groove bottom of the small caulking groove is 96.8mm to 106.8mm, the magnetic density distribution of the stator tooth part and the annular yoke part is improved through the improvement of the sizes of the annular yoke part and the stator tooth part, in addition, the inner diameter of the stator punching sheet is increased, the outer diameter of the rotor can also be increased, and the magnetic density in the rotor can be reduced.
Description
The technical field is as follows:
the utility model relates to a stator towards piece and stator module and motor of using thereof.
Background art:
the stator core that current high-power induction motor used, including annular yoke portion and a plurality of stator tooth portions that stretch out from annular yoke portion inboard, stator tooth portion inboard sets up the centre bore, forms the rule groove between the adjacent stator tooth portion, and the groove number quantity of rule groove is 24, and the internal diameter of stator punching is 70mm, and current stator core has following shortcoming: 1. the magnetic density distribution of the tooth part and the yoke part is unreasonable, and the inner diameter of the stator punching sheet is small, so that the outer diameter of the rotor is small, and the magnetic density in the rotor is too high; 2. the stator punching sheet has large volume and high cost.
The invention content is as follows:
the utility model aims at providing a stator punching and stator module and motor of using thereof, the magnetic density of solving tooth portion and yoke portion among the prior art distributes unreasonablely, and the stator punching internal diameter is little, leads to the rotor external diameter little, the too high technical problem of magnetic density in the rotor.
The purpose of the utility model is realized by the following technical scheme.
The utility model discloses a first purpose provides a stator punching sheet, including annular yoke portion and a plurality of stator tooth portions that stretch out from annular yoke portion inboard, stator tooth portion inboard sets up the centre bore, forms the rule groove between the adjacent stator tooth portion, and the rule groove includes big rule groove and little rule groove, its characterized in that: the inner diameter D1 of the central hole ranges from 75mm to 85mm, the tooth width L1 of the stator teeth ranges from 4.9mm to 5.9mm, the diameter D2 of the tangent circle of the groove bottom of the large rule groove ranges from 102.4mm to 112.4mm, and the diameter D3 of the tangent circle of the groove bottom of the small rule groove ranges from 96.8mm to 106.8 mm.
The big rule groove be equipped with two sets ofly, the quantity of every group is 10, little rule groove is equipped with two sets ofly, every group quantity is 2, every interval distribution between big rule groove and the little rule groove, the cell type of big rule groove and little rule groove is the round bottom groove.
The inner diameter D1 of the central hole is 80mm, the tooth width L1 of the stator tooth part is 5.4mm, the diameter D2 of the tangent circle of the bottom of the large caulking groove is 107.4mm, and the diameter D3 of the tangent circle of the bottom of the small caulking groove is 101.8 mm.
The width of the groove opening, the height of the groove shoulder and the height of the groove opening of the large embedded wire groove are equal to those of the small embedded wire groove, the range value of the width L2 of the groove opening of the large embedded wire groove and the small embedded wire groove is between 2.0mm and 2.8mm, the range value of the height H1 of the groove shoulder of the large embedded wire groove and the small embedded wire groove is between 0.35mm and 1.15mm, and the range value of the height H2 of the groove opening of the large embedded wire groove and the small embedded wire groove is between 0.25mm and 1.05 mm.
The width L2 of the groove opening of the large embedding groove and the small embedding groove is 2.4mm, the height H1 of the groove shoulder of the large embedding groove and the small embedding groove is 0.75mm, and the height H2 of the groove opening of the large embedding groove and the small embedding groove is 0.65 mm.
The outer edge of the annular yoke is circumferentially provided with a plurality of first cutting edges and a plurality of second cutting edges, the first cutting edges and the second cutting edges are distributed at intervals, the range value of two first cutting edge distances L3 symmetrical about a central axis is between 143mm and 153mm, and the range value of two second cutting edge distances L4 symmetrical about the central axis is between 135mm and 145 mm.
The above-mentioned two first cutting distances L3 symmetrical about the central axis are 148mm, and the two second cutting distances L4 symmetrical about the central axis are 140 mm.
The utility model provides a stator module, includes stator core and around locating the coil winding on stator core, stator core is piled up by a plurality of stator punching and is formed its characterized in that: the stator punching sheet is the stator punching sheet.
The utility model provides a motor, includes pivot, rotor subassembly, stator module and shell subassembly, and the rotor subassembly is installed in the pivot, and stator module nestification is installed in shell subassembly the inside, and the rotor subassembly cover is located the stator module the inside, its characterized in that: the stator assembly is the stator assembly.
Compared with the prior art, the utility model, following effect has:
1) the utility model discloses an annular yoke portion and a plurality of stator tooth portions that stretch out from annular yoke portion inboard, stator tooth portion inboard set up the centre bore, form the rule groove between the adjacent stator tooth portion, and the rule groove includes big rule groove and little rule groove, its characterized in that: the range value of the inner diameter D1 of the central hole is 75mm to 85mm, the range value of the tooth width L1 of the stator tooth part is 4.9mm to 5.9mm, the range value of the diameter D2 of the tangent circle of the groove bottom of the large caulking groove is 102.4mm to 112.4mm, the range value of the diameter D3 of the tangent circle of the groove bottom of the small caulking groove is 96.8mm to 106.8mm, the magnetic density distribution of the stator tooth part and the annular yoke part is improved by improving the sizes of the annular yoke part and the stator tooth part, in addition, the inner diameter of the stator punching sheet is increased, the outer diameter of the rotor can also be increased, and the magnetic density in the rotor can be reduced;
2) other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
fig. 1 is a front view provided by a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural diagram according to a first embodiment of the present invention;
fig. 4 is a schematic diagram provided in the first embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 4, the present embodiment provides a stator punching sheet, including annular yoke 11 and a plurality of stator teeth 12 that stretch out from annular yoke 11 inboard, the inboard centre bore 10 that sets up of stator teeth 12, form rule groove 13 between the adjacent stator teeth 12, rule groove 13 includes big rule groove 131 and little rule groove 132, its characterized in that: the range value of the inner diameter D1 of the central hole 10 is 75mm to 85mm, the range value of the tooth width L1 of the stator tooth part 12 is 4.9mm to 5.9mm, the range value of the tangent circle diameter D2 of the groove bottom of the large rule groove 131 is 102.4mm to 112.4mm, and the range value of the tangent circle diameter D3 of the groove bottom of the small rule groove 132 is 96.8mm to 106.8 mm.
The inner diameter D1 of the center hole 10 was 80mm, the tooth width L1 of the stator tooth 12 was 5.4mm, the diameter D2 of the tangent circle of the groove bottom of the large caulking groove 131 was 107.4mm, and the diameter D3 of the tangent circle of the groove bottom of the small caulking groove 132 was 101.8 mm.
The slot opening widths, the slot shoulder heights and the slot opening heights of the large and small rule slots 131 and 132 are equal, the range values of the slot opening widths L2 of the large and small rule slots 131 and 132 are between 2.0mm and 2.8mm, the range values of the slot shoulder heights H1 of the large and small rule slots 131 and 132 are between 0.35mm and 1.15mm, and the range values of the slot opening heights H2 of the large and small rule slots 131 and 132 are between 0.25mm and 1.05mm, so that the size of the stator tooth portion 12 is increased, and the magnetic density of the stator tooth portion 12 is reduced.
The slot opening widths L2 of the large and small rule slots 131 and 132 are 2.4mm, the slot shoulder heights H1 of the large and small rule slots 131 and 132 are 0.75mm, and the slot opening heights H2 of the large and small rule slots 131 and 132 are 0.65 mm.
The outer edge of the annular yoke portion 11 is circumferentially provided with a plurality of first cutting edges 111 and a plurality of second cutting edges 112, the first cutting edges 111 and the second cutting edges 112 are distributed at intervals, the distance L3 between the first cutting edges 111 and the second cutting edges 112 which are symmetrical about a central axis ranges from 143mm to 153mm, the distance L4 between the second cutting edges 112 and the second cutting edges 112 which are symmetrical about the central axis ranges from 135mm to 145mm, performance of the stator core is improved, and materials of the stator punching sheet are saved.
The distance L3 between the first cut edges 111 symmetrical about the central axis is 148mm, and the distance L4 between the second cut edges 112 symmetrical about the central axis is 140 mm.
Example two:
the utility model provides a stator module, includes stator core and around locating the coil winding on stator core, stator core is piled up by a plurality of stator punching 1 and is formed its characterized in that: the stator punching sheet 1 is the stator punching sheet described in the first embodiment.
Example three:
the utility model provides a motor, includes pivot, rotor subassembly, stator module and shell subassembly, and the rotor subassembly is installed in the pivot, and stator module nestification is installed in shell subassembly the inside, and the rotor subassembly cover is located the stator module the inside, its characterized in that: the stator assembly is the stator assembly described in embodiment two.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (9)
1. The utility model provides a stator punching sheet, includes annular yoke portion (11) and a plurality of stator tooth portions (12) that stretch out from annular yoke portion (11) inboard, and stator tooth portion (12) inboard sets up centre bore (10), forms rule groove (13) between adjacent stator tooth portion (12), and rule groove (13) are including big rule groove (131) and little rule groove (132), its characterized in that: the inner diameter D1 of the central hole (10) ranges from 75mm to 85mm, the tooth width L1 of the stator teeth (12) ranges from 4.9mm to 5.9mm, the diameter D2 of the tangent circle of the groove bottom of the large caulking groove (131) ranges from 102.4mm to 112.4mm, and the diameter D3 of the tangent circle of the groove bottom of the small caulking groove (132) ranges from 96.8mm to 106.8 mm.
2. The stator punching sheet according to claim 1, characterized in that: big rule groove (131) are equipped with two sets ofly, and the quantity of every group is 10, and little rule groove (132) are equipped with two sets ofly, and every group quantity is 2, every group interval distribution between big rule groove (131) and little rule groove (132), and the cell type of big rule groove (131) and little rule groove (132) is the round bottom groove.
3. The stator punching sheet according to claim 2, characterized in that: the inner diameter D1 of the center hole (10) is 80mm, the tooth width L1 of the stator tooth part (12) is 5.4mm, the diameter D2 of the tangent circle of the groove bottom of the large caulking groove (131) is 107.4mm, and the diameter D3 of the tangent circle of the groove bottom of the small caulking groove (132) is 101.8 mm.
4. A stator lamination as claimed in claim 1, 2 or 3, wherein: the slot opening widths, the slot shoulder heights and the slot opening heights of the large wire embedding slot (131) and the small wire embedding slot (132) are equal, the range value of the slot opening widths L2 of the large wire embedding slot (131) and the small wire embedding slot (132) is between 2.0mm and 2.8mm, the range value of the slot shoulder heights H1 of the large wire embedding slot (131) and the small wire embedding slot (132) is between 0.35mm and 1.15mm, and the range value of the slot opening heights H2 of the large wire embedding slot (131) and the small wire embedding slot (132) is between 0.25mm and 1.05 mm.
5. The stator punching sheet according to claim 4, characterized in that: the width L2 of the groove opening of the large embedding groove (131) and the small embedding groove (132) is 2.4mm, the height H1 of the groove shoulder of the large embedding groove (131) and the small embedding groove (132) is 0.75mm, and the height H2 of the groove opening of the large embedding groove (131) and the small embedding groove (132) is 0.65 mm.
6. The stator punching sheet according to claim 2, characterized in that: the outer edge of the annular yoke (11) is circumferentially provided with a plurality of first cut edges (111) and a plurality of second cut edges (112), the first cut edges (111) and the second cut edges (112) are distributed at intervals, the distance L3 between the two first cut edges (111) symmetrical about the central axis ranges from 143mm to 153mm, and the distance L4 between the two second cut edges (112) symmetrical about the central axis ranges from 135mm to 145 mm.
7. The stator punching sheet according to claim 6, characterized in that: the distance L3 between the two first cut edges (111) symmetrical about the central axis is 148mm, and the distance L4 between the two second cut edges (112) symmetrical about the central axis is 140 mm.
8. The utility model provides a stator module, includes stator core and around locating the coil winding on the stator core, stator core is piled up by a plurality of stator punching (1) and is formed its characterized in that: the stator punching sheet (1) is the stator punching sheet in any one of claims 1 to 7.
9. The utility model provides a motor, includes pivot, rotor subassembly, stator module and shell subassembly, and the rotor subassembly is installed in the pivot, and stator module nestification is installed in shell subassembly the inside, and the rotor subassembly cover is located the stator module the inside, its characterized in that: the stator assembly of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021484821.4U CN212572204U (en) | 2020-07-24 | 2020-07-24 | Stator punching sheet, stator assembly and motor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021484821.4U CN212572204U (en) | 2020-07-24 | 2020-07-24 | Stator punching sheet, stator assembly and motor using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212572204U true CN212572204U (en) | 2021-02-19 |
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ID=74631836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021484821.4U Active CN212572204U (en) | 2020-07-24 | 2020-07-24 | Stator punching sheet, stator assembly and motor using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212572204U (en) |
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2020
- 2020-07-24 CN CN202021484821.4U patent/CN212572204U/en active Active
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