CN219760738U - Claw pole of brushless generator - Google Patents
Claw pole of brushless generator Download PDFInfo
- Publication number
- CN219760738U CN219760738U CN202321046990.3U CN202321046990U CN219760738U CN 219760738 U CN219760738 U CN 219760738U CN 202321046990 U CN202321046990 U CN 202321046990U CN 219760738 U CN219760738 U CN 219760738U
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- China
- Prior art keywords
- claw pole
- claw
- iron core
- groove
- locating
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Links
- 210000000078 claw Anatomy 0.000 title claims abstract description 117
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000000926 separation method Methods 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 2
- 210000002421 cell wall Anatomy 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a claw pole of a brushless generator, which relates to the field of claw poles and comprises a rotating shaft, wherein the rotating shaft is provided with a first claw pole, an iron core and a second claw pole along the axis direction of the rotating shaft; the claw part I is provided with a limiting part, and the limiting part limits the separation of the iron core and the first claw pole; the first claw pole, the iron core and the second claw pole are connected and fixed through the limiting piece, compared with welding, the shape change caused by the first claw pole, the iron core and the second claw pole is reduced, so that the running of the rotor is more stable, the limiting piece comprises a locating pin, a locating hole and a locating groove, the locating hole is located at the first claw part and penetrates the first claw part, the locating groove is located on the outer wall of the iron core, and the locating pin penetrates the locating hole and is embedded into the locating groove. The installation is convenient, and has reduced the condition that leads to the rotor performance to reduce to first claw pole, iron core shape change for the operation of rotor is more stable.
Description
Technical Field
The utility model relates to the field of claw poles, in particular to a claw pole of a brushless generator.
Background
And the claw pole motor and the two stator iron cores are matched left and right to form a permanent magnet synchronous motor with claw-shaped magnetic poles. The motor is divided into a motor and a generator.
For example, the Chinese patent publication No. CN107124048A discloses a generator rotor, which belongs to the technical field of automobile generators and is used for solving the technical problem of poor power density of the generator. The generator rotor comprises a first claw pole, a second claw pole, an iron core, an excitation coil and a rotating shaft, wherein the iron core is positioned between the first claw pole and the second claw pole, the excitation coil is wound on the iron core, the rotating shaft sequentially penetrates through the first claw pole, the iron core and the second claw pole, and the magnetic conductivity and the saturation value of the iron core are higher than those of the first claw pole and the second claw pole. The generator rotor provided by the utility model has the advantages of larger magnetic field density and larger induced electromotive force, and meanwhile, the generator rotor is small in size and light in weight, and is beneficial to the lightweight design of the whole vehicle.
In actual use, the first claw pole, the iron core and the second claw pole are often welded and fixed, and the first claw pole, the iron core and the second claw pole are easy to deform in the mode, so that the performance of the rotor is easy to reduce, and the rotor needs to be improved.
Disclosure of Invention
In order to solve the problem that the rotor performance is easy to be reduced due to the fact that the first claw pole, the iron core and the second claw pole are connected in a welded mode, the utility model provides the claw pole of the brushless generator.
The utility model provides a claw pole of a brushless generator, which adopts the following technical scheme:
the claw pole of the brushless generator comprises a rotating shaft, wherein the rotating shaft is provided with a first claw pole, an iron core and a second claw pole along the axis direction of the rotating shaft, the first claw pole is provided with a first claw part, the second claw pole is provided with a second claw part, and the first claw part and the second claw part are respectively abutted against the iron core; the claw part I is provided with a limiting part, and the limiting part limits the separation of the iron core and the first claw pole.
Through above-mentioned technical scheme, carry out the connection of first claw pole, iron core and second claw pole through the locating part and fix, compare in welding, reduced the shape change that causes first claw pole, iron core and second claw pole for the operation of rotor is more stable.
Further, the limiting piece comprises a locating pin, a locating hole and a locating groove, wherein the locating hole is located in the first claw portion and penetrates through the first claw portion, the locating groove is located in the outer wall of the iron core, and the locating pin penetrates through the locating hole and is embedded into the locating groove.
Through above-mentioned technical scheme, set up locating pin, locating hole and constant head tank, pass the locating hole and imbed the constant head tank through the locating pin and carry out the connection of first claw machine with the iron core and fix, it is convenient to install, and has reduced because the condition that first claw pole, iron core shape change lead to rotor performance to reduce for the operation of rotor is more stable.
Further, the rotating shaft is coaxially provided with a fan, and the fan is located at one side of the first claw pole far away from the second claw pole.
Through above-mentioned technical scheme, set up the fan, the heat dissipation of the generator of being convenient for.
Further, the fan blade is made of cast aluminum.
Through the technical scheme, the fan blade made of the cast aluminum material is smaller than the fan blade made of the stamped steel plate material when in use, so that the noise generated when the generator is used is reduced.
Further, the locating pin is provided with a limiting groove, and the limiting groove is located at one end, far away from the locating groove, of the locating pin.
Through above-mentioned technical scheme, set up the spacing groove, in the in-service use, there is the locating pin to need change or claw utmost point needs the condition of changing, need take out the locating pin this moment, consequently set up the spacing groove, contradict the spacing groove cell wall through external component and take out the locating pin, the change of the part of being convenient for.
Further, the limit groove is provided with an inclined surface, and the inclined surface extends towards the direction of the axis of the locating pin along the direction away from the bottom of the limit groove.
Through above-mentioned technical scheme, set up the inclined plane, the setting on inclined plane is convenient for the user to take out the locating pin through the inclined plane.
Further, the spacing groove communicates the locating hole, the locating pin is equipped with the elastic block, the elastic block embedding the spacing groove, the elastic block lateral wall supports tight spacing groove cell wall and locating hole pore wall.
Through above-mentioned technical scheme, in the in-service use, support limit groove cell wall and locating hole pore wall through the elastic block simultaneously, reduced the locating pin and break away from the condition of locating hole, secondly, when needs take out the locating pin, through pulling the elastic block, because the existence of inclined plane, remove the elastic block and more easily drive the locating pin, be convenient for take out of locating pin.
Further, one end of the elastic block, which is far away from the bottom of the limiting groove, protrudes out of the end face of the positioning pin.
Through above-mentioned technical scheme, for the taking out of being convenient for the elastic block, set up the elastic block and keep away from the one end of spacing groove tank bottom slightly protruding in the locating pin terminal surface, the user of being convenient for removes the elastic block, secondly, also can press the elastic block towards the direction of locating groove tank bottom according to actual conditions to carry out the spacing of elastic block through the subassembly of peripheral hardware, reduce the elastic block to claw utmost point moving influence.
In summary, the present utility model includes at least one of the following beneficial technical effects:
(1) By arranging the limiting piece, the shape change caused by the first claw pole, the iron core and the second claw pole is reduced, so that the rotor runs more stably;
(2) Through setting up locating pin, locating hole and constant head tank, pass the locating hole and imbed the constant head tank through the locating pin and carry out the connection fixed of first claw machine and iron core, it is convenient to install, and has reduced the condition that leads to the rotor performance to first claw pole, iron core shape change and reduced, makes the operation of rotor more stable;
(3) The groove wall of the limit groove and the wall of the locating hole are simultaneously propped against by the elastic block, so that the situation that the locating pin is separated from the locating hole is reduced.
Drawings
Fig. 1 is an overall schematic of an embodiment.
Fig. 2 is a schematic cross-sectional view of an embodiment.
Reference numerals: 1. a rotating shaft; 2. a fan; 3. a first claw pole; 4. a claw part I; 5. a second jaw stage; 6. a second claw part; 7. a limiting piece; 8. a positioning groove; 9. positioning holes; 10. a positioning pin; 11. a limit groove; 12. an elastic block; 13. an inclined surface; 14. and (3) an iron core.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a claw pole of a brushless generator.
Examples:
referring to fig. 1 and 2, a claw pole of a brushless generator comprises a rotating shaft 1, wherein the rotating shaft 1 is sequentially provided with a fan 2, a first claw pole 3, an iron core 14 and a second claw pole along the axis direction of the rotating shaft. The fan 2 comprises a fan plate and fan blades, the fan blades are located at one end, far away from the first claw pole 3, of the fan plate, and the fan blades are made of cast aluminum. The first claw pole 3 is provided with a claw part I4, the claw part I4 is positioned at one end of the first claw pole 3 far away from the fan 2, and the claw part I4 abuts against the outer wall of the iron core 14. The second claw pole is provided with a second claw part 6, the second claw part 6 is positioned at one end of the second claw stage 5 close to the first claw pole 3, the second claw part 6 abuts against the iron core 14, and the first claw part 4 and the second claw part 6 are arranged in a staggered mode.
The first claw part 4 is provided with a limiting piece 7, and the limiting piece 7 is used for limiting the separation of the iron core 14 and the first claw pole 3. The limiting piece 7 comprises a positioning pin 10, a positioning hole 9 and a positioning groove 8, wherein the positioning hole 9 is positioned on the claw part one 4, and the positioning hole 9 penetrates through the claw part one 4. The positioning groove 8 is positioned on the outer wall of the iron core 14, the positioning groove 8 corresponds to the positioning hole 9, and the positioning groove 8 is communicated with the positioning hole 9. The positioning pin 10 passes through the positioning hole 9 and is embedded in the positioning groove 8 to limit the separation of the claw part 4 from the iron core 14. In actual use, the second claw part 6 is also provided with a limiting member 7.
The locating pin 10 is provided with a limiting groove 11, the limiting groove 11 is positioned at one end of the locating pin 10 away from the bottom of the locating groove 8, and the limiting groove 11 is communicated with the locating hole 9. The limiting groove 11 is provided with an elastic block 12, and one end of the elastic block 12, which is far away from the bottom of the limiting groove 11, slightly protrudes out of the end face of one end of the positioning pin 10, which is far away from the positioning groove 8.
When the elastic block 12 is embedded into the limit groove 11, the elastic block 12 simultaneously abuts against the wall of the limit groove 11 and the wall of the positioning hole 9. In actual use, the elastic block 12 may be rubber, alternatively, the elastic block 12 may be silica gel.
The notch of the limiting groove 11 is provided with an inclined surface 13, and the inclined surface 13 extends along the direction approaching the bottom of the limiting groove 11 and away from the axis of the positioning pin 10. In practical use, the limiting member 7 may be a mounting hole, a mounting groove and a mounting block, the mounting hole is located in the first claw portion 4, and the mounting hole penetrates through the first claw portion 4. The mounting groove is located the iron core 14 outer wall, and the mounting groove corresponds with the mounting hole, and the mounting groove communicates the mounting hole. The mounting hole pore wall is equipped with the installation caulking groove, and installation caulking groove notch is towards mounting hole axis department, and the installation caulking groove tank bottom is equipped with spacing spring, and spacing spring keeps away from the one end of installation caulking groove tank bottom and is equipped with spacing lug, and spacing lug keeps away from the one end protrusion in the installation caulking groove tank bottom of installation caulking groove tank bottom. When the mounting block passes through the mounting hole and is embedded into the mounting groove, the limiting protruding block abuts against the mounting block to limit the mounting block from falling off.
The working principle of the embodiment is as follows:
in actual installation, the core 14 is mainly used for rotor-securing coils and provides a winding space between the first claw pole 3 and the second claw pole 5. The claw part I4 of the first pole claw is tightly held by the iron core 14, and the positioning hole 9 of the claw part I4 is aligned with the positioning groove 8 of the iron core 14. The positioning pin 10 passes through the positioning hole 9 and then is embedded into the positioning groove 8. The elastic block 12 is embedded into the limit groove 11, and the elastic block 12 abuts against the bottom of the limit groove 11 and the wall of the positioning hole 9.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a brushless generator claw utmost point, includes pivot (1), and pivot (1) are equipped with first claw utmost point (3), iron core (14) and second claw utmost point (5) along self axis direction, its characterized in that: the first claw pole (3) is provided with a first claw pole (4), the second claw pole (5) is provided with a second claw pole (6), and the first claw pole (4) and the second claw pole (6) are both abutted against the iron core (14); the claw part I (4) is provided with a limiting piece (7), and the limiting piece (7) limits the separation of the iron core (14) and the first claw pole (3).
2. A brushless generator claw pole according to claim 1 wherein: the limiting piece (7) comprises a positioning pin (10), a positioning hole (9) and a positioning groove (8), wherein the positioning hole (9) is located in the first claw part (4) and penetrates the first claw part (4), the positioning groove (8) is located on the outer wall of the iron core (14), and the positioning pin (10) penetrates through the positioning hole (9) and is embedded into the positioning groove (8).
3. A brushless generator claw pole according to claim 1 wherein: the rotating shaft (1) is coaxially provided with a fan (2), and the fan (2) is positioned on one side of the first claw pole (3) far away from the second claw pole.
4. A brushless generator claw pole according to claim 3 wherein: the blades of the fan (2) are made of cast aluminum.
5. A brushless generator claw pole according to claim 2 wherein: the locating pin (10) is provided with a limiting groove (11), and the limiting groove (11) is positioned at one end of the locating pin (10) far away from the locating groove (8).
6. The brushless generator claw pole of claim 5 wherein: the limiting groove (11) is provided with an inclined surface (13), and the inclined surface (13) extends towards the axis of the positioning pin (10) along the direction away from the bottom of the limiting groove (11).
7. The brushless generator claw pole of claim 6 wherein: the limiting groove (11) is communicated with the positioning hole (9), the positioning pin (10) is provided with an elastic block (12), the elastic block (12) is embedded into the limiting groove (11), and the side wall of the elastic block (12) abuts against the wall of the limiting groove (11) and the wall of the positioning hole (9).
8. The brushless generator claw pole of claim 7 wherein: one end of the elastic block (12) far away from the bottom of the limiting groove (11) protrudes out of the end face of the positioning pin (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321046990.3U CN219760738U (en) | 2023-04-27 | 2023-04-27 | Claw pole of brushless generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321046990.3U CN219760738U (en) | 2023-04-27 | 2023-04-27 | Claw pole of brushless generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219760738U true CN219760738U (en) | 2023-09-26 |
Family
ID=88091115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321046990.3U Active CN219760738U (en) | 2023-04-27 | 2023-04-27 | Claw pole of brushless generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219760738U (en) |
-
2023
- 2023-04-27 CN CN202321046990.3U patent/CN219760738U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |