CN210327178U - Stator core fixing structure of double-rotor motor - Google Patents
Stator core fixing structure of double-rotor motor Download PDFInfo
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- CN210327178U CN210327178U CN201921277320.6U CN201921277320U CN210327178U CN 210327178 U CN210327178 U CN 210327178U CN 201921277320 U CN201921277320 U CN 201921277320U CN 210327178 U CN210327178 U CN 210327178U
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- support column
- motor base
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Abstract
The utility model discloses a stator core fixed knot of birotor motor constructs, including motor base and stator core, stator core includes annular yoke, integrated into one piece has a plurality of outer teeth that are circumference evenly distributed on the periphery wall of annular yoke, integrated into one piece has the internal tooth with the same quantity of outer tooth on the internal perisporium of annular yoke, every internal tooth all corresponds the setting with one of them external tooth, the central line of every internal tooth all coincides with the central line of the outer tooth that corresponds, stator core is fixed on motor base through a plurality of support columns that are circumference evenly distributed, the quantity of support column is the same with the quantity of outer tooth and internal tooth, every support column all extends along stator core's axial direction, the one end of every support column is fixed with stator core, the other end of every support column is fixed with motor base; the utility model discloses can realize the reliable support and the fixed of the stator core in the birotor motor, and can guarantee positioning accuracy, applicable in high-power high moment of torsion birotor motor moreover.
Description
Technical Field
The utility model relates to a birotor motor technical field, concretely relates to stator core fixed knot of birotor motor constructs.
Background
At present, a motor stator in a synchronous operation single-shaft output type double-rotor motor is positioned between two rotating rotors, and an inner rotor and an outer rotor face to the stator, so that the stator in the double-rotor motor cannot be fixed by adopting a traditional mode of fixing the stator by a single-rotor motor. The stator in the existing dual-rotor motor is mostly fixed by using the wedge, but the mode of fixing the stator by using the wedge has the defects of high processing cost, poor positioning accuracy and lower strength, and cannot be applied to a high-power high-torque dual-rotor motor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a stator core fixed knot of birotor motor constructs, and it can realize reliably supporting and fixing the stator core in the birotor motor, and can guarantee positioning accuracy, applicable in high-power high torque birotor motor moreover.
The utility model discloses a stator core fixed knot of birotor motor constructs, include motor base and install the stator core on motor base, stator core includes annular indisputable yoke, integrated into one piece has a plurality of to be circumference evenly distributed's external tooth on the periphery wall of annular indisputable yoke, integrated into one piece has the internal tooth with the same quantity of external tooth on the internal perisporium of annular indisputable yoke, every internal tooth all corresponds the setting with one of them external tooth, the central line of every internal tooth all with the coincidence of the central line of the external tooth that corresponds, stator core is the support column that circumference evenly distributed through a plurality of and fixes on motor base, the quantity of support column is the same with the quantity of external tooth and internal tooth, the axial direction that stator core was all followed to every support column extends, the one end of every support column is fixed with stator core, the.
The utility model discloses a stator core fixed knot of birotor motor constructs, wherein, every support column all includes rivet pole portion and fixed part, rivet pole portion and fixed part are circular columnar structure and rivet pole portion and fixed part coaxial setting, rivet pole portion and fixed part integrated into one piece and rivet the external diameter of pole portion and be less than the external diameter of fixed part; the annular yoke between each internal tooth and the external tooth is provided with a positioning hole for inserting the riveting rod part on one of the supporting columns, each positioning hole extends along the axial direction of the annular yoke, the riveting rod part on each supporting column penetrates through the corresponding positioning hole and then extends out of the positioning hole and is riveted with the positioning hole, one end, far away from the fixing part, of the riveting rod part is provided with a riveting hole, and the fixing part of each supporting column is fixed with the motor base.
The utility model discloses a stator core fixed knot of birotor motor constructs, wherein, the center of every locating hole all is located the connecting wire of the interior tip mid point of the internal tooth that corresponds and the mid point of the outer tip of the external tooth that corresponds, the center of locating hole and the coincidence of the mid point of this connecting wire.
The utility model discloses a stator core fixed knot of birotor motor constructs, wherein, the biggest tooth width value of outer tooth is greater than the biggest tooth width value of inner tooth, and the aperture of locating hole is less than 1/2 of the biggest tooth width value of outer tooth.
The utility model discloses a stator core fixed knot of birotor motor constructs, wherein, the locating hole aperture is 1/3 of the biggest tooth width value of external tooth.
The utility model discloses a stator core fixed knot of birotor motor constructs, wherein, the biggest tooth width value of internal tooth is greater than the biggest tooth width value of external tooth, and the aperture of locating hole is less than 1/2 of the biggest tooth width value of internal tooth.
The utility model discloses a stator core fixed knot of birotor motor constructs, wherein, the locating hole aperture is 1/3 of the biggest tooth width value of internal tooth.
The utility model discloses a stator core fixed knot of birotor motor constructs, wherein, be provided with the fixed part male countersunk hole on can supplying one of them support column respectively in the motor base, back in the fixed part inserted the countersunk hole, fixed part and motor base are through wearing to establish the screw-fastening in motor base and fixed part.
The utility model discloses a stator core fixed knot of birotor motor constructs, wherein, every fixed part orientation all is provided with two planes on riveting the outer wall of pole portion one end, and two planes are parallel to each other.
The utility model discloses a stator core fixed knot of birotor motor constructs, wherein, every support column is made by magnetic material.
The utility model discloses can realize the reliable support and the fixed of the stator core in the birotor motor, and can guarantee positioning accuracy, applicable in high-power high moment of torsion birotor motor moreover.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic sectional view of the present invention;
fig. 5 is a front view structural schematic diagram of a stator core;
FIG. 6 is a schematic perspective view of a support column;
FIG. 7 is a schematic perspective view of a support column;
FIG. 8 is a schematic perspective view of a motor base;
fig. 9 is a schematic perspective view of a motor base.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model discloses a stator core fixed knot of birotor motor constructs, include motor base 1 and install the stator core 2 on motor base 1, stator core 2 includes annular yoke 21, integrated into one piece has a plurality of external tooth 22 that is circumference evenly distributed on the periphery wall of annular yoke 21, integrated into one piece has internal tooth 23 with external tooth 22 the same quantity on the internal perisporium of annular yoke 21, every internal tooth 23 all corresponds the setting with one of them external tooth 22, the central line of every internal tooth 23 all coincides with the central line of the external tooth 22 that corresponds, stator core 2 is fixed on motor base 1 through a plurality of support columns 3 that are circumference evenly distributed, the quantity of support column 3 is the same with external tooth 22 and internal tooth 23's quantity, every support column 3 all extends along stator core 2's axial direction, the one end of every support column 3 is fixed with stator core 2, the other end of every support column 3 is fixed with motor base 1; the utility model discloses can realize the reliable support and the fixed of the stator core in the birotor motor, and can guarantee positioning accuracy, applicable in high-power high moment of torsion birotor motor moreover.
Each support column 3 comprises a rivet rod part 31 and a fixing part 32, the rivet rod part 31 and the fixing part 32 are both in a circular columnar structure, the rivet rod part 31 and the fixing part 32 are coaxially arranged, the rivet rod part 31 and the fixing part 32 are integrally formed, and the outer diameter of the rivet rod part 31 is smaller than that of the fixing part 32; a positioning hole 211 for inserting the rivet rod part 31 of one of the support columns 3 is formed in the annular iron yoke 21 between each internal tooth 23 and each external tooth 22, each positioning hole 211 extends along the axial direction of the annular iron yoke 21, the rivet rod part 31 of each support column 3 extends out of the positioning hole 211 after penetrating through the corresponding positioning hole 211 and is riveted with the positioning hole 211, a riveting hole 311 is formed in one end, far away from the fixing part 32, of the rivet rod part 31, and the fixing part 32 of each support column 3 is fixed with the motor base 1; through the arrangement of the supporting columns, the stator core can be reliably fixed on the motor base through the supporting columns; the outer diameter of the riveting rod part is the same as the inner diameter of the positioning hole; in addition, the support column can guarantee the air gap between stator core and the winding of coiling on stator core and the motor base, and when the motor ran, the reverse electromagnetic torque that stator core produced conducted the motor base through the support column on.
The center of each positioning hole 211 is located on a connecting line of the midpoint of the inner end of the corresponding inner tooth 23 and the midpoint of the outer end of the corresponding outer tooth 22, and the center of the positioning hole 211 coincides with the midpoint of the connecting line; by adopting the structure, the influence of the positioning hole on the main magnetic circuit can be reduced to the maximum extent.
1/2 that the maximum tooth width value of the outer teeth 22 is larger than the maximum tooth width value of the inner teeth 23 and the aperture of the positioning hole 211 is smaller than the maximum tooth width value of the outer teeth 22; by adopting the structure, the influence of the positioning hole on the main magnetic circuit can be reduced to the maximum extent.
The aperture of the positioning hole 211 is 1/3 of the maximum tooth width value of the external teeth 22; by adopting the structure, the influence of the positioning hole on the main magnetic circuit can be reduced to the maximum extent.
1/2 that the maximum tooth width value of the internal teeth 23 is larger than that of the external teeth 22 and the aperture of the positioning hole 211 is smaller than that of the internal teeth 23; by adopting the structure, the influence of the positioning hole on the main magnetic circuit can be reduced to the maximum extent.
The aperture of the positioning hole 211 is 1/3 of the maximum tooth width value of the internal teeth 23; by adopting the structure, the influence of the positioning hole on the main magnetic circuit can be reduced to the maximum extent.
The motor base 1 is provided with a countersunk hole 11 into which a fixing part 32 on one of the support columns 3 can be partially inserted, and after the fixing part 32 is inserted into the countersunk hole 11, the fixing part 32 and the motor base 1 are fastened through screws 12 penetrating through the motor base 1 and the fixing part 32; after adopting this kind of structure, the support column can be reliably fixed together with the motor base, and the external diameter of fixed part is the same with the internal diameter of counter sink main aspects moreover.
Two planes 321 are arranged on the outer wall of one end of each fixing part 32 facing the rivet rod part 31, and the two planes 321 are parallel to each other; through the planar arrangement, the supporting column can avoid the winding at the end part of the stator core.
Each supporting column 3 is made of a magnetic conductive material; after the support column is made of a magnetic conductive material, the influence on a magnetic circuit can be reduced.
In assembling the utility model discloses the time, the accessible adopts following step:
A. inserting the riveting rod part on each supporting column into a corresponding positioning hole in the stator core, and ensuring that the riveting rod part is inserted in place (namely, the fixing part is abutted against the stator core);
B. rotating each supporting column to enable a plane on each supporting column to be parallel to a tangent line of the middle part of the inner end part of the corresponding inner tooth, or enable a plane on each supporting column to be parallel to a tangent line of the middle part of the outer end part of the corresponding outer tooth (in order that the supporting columns can effectively avoid windings at the end parts of the stator core);
C. expanding the riveting rod part positioned at the riveting hole by using an expansion tool to enable the riveting rod part to be expanded so as to enable the riveting rod part to be riveted with the stator core;
D. after the support column and the stator core are assembled, coating insulating layers on the outside of the support column and the outside of the stator core, and winding;
E. assembling a stator core with support columns and windings into a motor base, and enabling a fixing part on each support column to be inserted into a corresponding counter bore;
F. the motor base and each supporting column are fixed by screws.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a stator core fixed knot of birotor motor constructs, includes motor base (1) and installs stator core (2) on motor base (1), stator core (2) are including annular indisputable yoke (21), integrated into one piece has a plurality of to be circumference evenly distributed's external tooth (22) on the periphery wall of annular indisputable yoke (21), integrated into one piece has internal tooth (23) with external tooth (22) the same quantity on the internal perisporium of annular indisputable yoke (21), and every internal tooth (23) all corresponds the setting with one of them external tooth (22), and the central line of every internal tooth (23) all coincides with the central line of the external tooth (22) that corresponds, its characterized in that: stator core (2) are support column (3) of circumference evenly distributed through a plurality of and fix on motor base (1), the quantity of support column (3) is the same with the quantity of external tooth (22) and internal tooth (23), and the axial direction of stator core (2) is all followed in every support column (3) extends, and the one end of every support column (3) is fixed with stator core (2), and the other end of every support column (3) is fixed with motor base (1).
2. The stator core fixing structure of the double-rotor motor according to claim 1, wherein each supporting column (3) comprises a rivet rod portion (31) and a fixing portion (32), the rivet rod portion (31) and the fixing portion (32) are both of a circular cylindrical structure, the rivet rod portion (31) and the fixing portion (32) are coaxially arranged, the rivet rod portion (31) and the fixing portion (32) are integrally formed, and the outer diameter of the rivet rod portion (31) is smaller than that of the fixing portion (32); all be provided with in annular yoke (21) between every internal tooth (23) and external tooth (22) and supply rivet pole portion (31) male locating hole (211) on one of them support column (3), every locating hole (211) all extends along the axial direction of annular yoke (21), rivet pole portion (31) on every support column (3) pass behind corresponding locating hole (211) stretch out outside locating hole (211) and with locating hole (211) riveting, the one end that fixed part (32) were kept away from in rivet pole portion (31) is provided with riveting hole (311), fixed part (32) of every support column (3) all are fixed with motor base (1).
3. The stator core fixing structure of the double-rotor motor according to claim 2, wherein the center of each positioning hole (211) is located on a connecting line of the midpoint of the inner end of the corresponding inner tooth (23) and the midpoint of the outer end of the corresponding outer tooth (22), and the center of the positioning hole (211) coincides with the midpoint of the connecting line.
4. The stator core fixing structure of the double-rotor motor according to claim 3, wherein the maximum tooth width value of the outer teeth (22) is greater than the maximum tooth width value of the inner teeth (23), and the aperture of the positioning hole (211) is smaller than 1/2 of the maximum tooth width value of the outer teeth (22).
5. The stator core fixing structure of the double-rotor motor according to claim 4, wherein the aperture of the positioning hole (211) is 1/3 of the maximum tooth width value of the external teeth (22).
6. The stator core fixing structure of the double-rotor motor according to claim 3, wherein the maximum tooth width value of the internal teeth (23) is greater than the maximum tooth width value of the external teeth (22), and the aperture of the positioning hole (211) is smaller than 1/2 of the maximum tooth width value of the internal teeth (23).
7. The stator core fixing structure of the double-rotor motor as claimed in claim 6, wherein the aperture of the positioning hole (211) is 1/3 of the maximum tooth width value of the internal teeth (23).
8. The stator core fixing structure of the birotor motor as claimed in claim 2, wherein the motor base (1) is provided with a countersunk hole (11) into which the fixing portion (32) of one of the supporting columns (3) is partially inserted, and after the fixing portion (32) is inserted into the countersunk hole (11), the fixing portion (32) is fastened to the motor base (1) through a screw (12) inserted into the motor base (1) and the fixing portion (32).
9. The stator core fixing structure of the double-rotor motor according to claim 2, wherein two planes (321) are provided on an outer wall of each fixing portion (32) toward one end of the rivet portion (31), and the two planes (321) are parallel to each other.
10. The stator core fixing structure of the double-rotor motor according to claim 2, wherein each supporting column (3) is made of a magnetic conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921277320.6U CN210327178U (en) | 2019-08-08 | 2019-08-08 | Stator core fixing structure of double-rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921277320.6U CN210327178U (en) | 2019-08-08 | 2019-08-08 | Stator core fixing structure of double-rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210327178U true CN210327178U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921277320.6U Active CN210327178U (en) | 2019-08-08 | 2019-08-08 | Stator core fixing structure of double-rotor motor |
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| Country | Link |
|---|---|
| CN (1) | CN210327178U (en) |
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2019
- 2019-08-08 CN CN201921277320.6U patent/CN210327178U/en active Active
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