CN218216847U - Iron core plate structure of motor - Google Patents
Iron core plate structure of motor Download PDFInfo
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- CN218216847U CN218216847U CN202222653022.0U CN202222653022U CN218216847U CN 218216847 U CN218216847 U CN 218216847U CN 202222653022 U CN202222653022 U CN 202222653022U CN 218216847 U CN218216847 U CN 218216847U
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Abstract
The utility model discloses an iron chip structure of a motor, which relates to the technical field of motor rotors, and the technical scheme main points comprise a rotor yoke part and a coil group, wherein the peripheral side wall of the rotor yoke part is provided with a plurality of equal radian distributed regular-length teeth, an oblique-length tooth is arranged between every two adjacent regular-length teeth, a separation groove is formed between the regular-length tooth and the adjacent oblique-length tooth, one end of the oblique-length tooth, which is far away from the rotor yoke part, inclines towards the winding direction, and the other end inclines towards the other end of the winding direction; the coil group is composed of a plurality of coils with two ends respectively fixed with the adjacent positive long teeth and the adjacent oblique long teeth in a winding manner. The utility model discloses have when combining positive long tooth and oblique long tooth connecting coil, will realize realizing the adjustment to the corresponding space size in the spacer groove according to the wire winding demand of coil, and then showing the utilization ratio that promotes the spacer groove inner space for the iron core piece structure of this motor has the effect of avoiding the space extravagant and showing promotion heat dispersion.
Description
Technical Field
The utility model relates to an electric motor rotor technical field, more specifically says that it relates to an iron core piece structure of motor.
Background
In an electric machine having a rotor rotatably accommodated in a motor housing and a pair of magnets fixed to the motor housing in a manner facing the rotor, the electric machine converts direct current into rotation of the rotor for outputting torque and rotational speed during operation.
A rotor used in such a motor has a yoke portion fixed to a rotating shaft. A plurality of long teeth protruding in the radial direction are formed on the yoke. Between these long teeth, partition grooves extending in the axial direction of the rotary shaft are formed. In general, each of the long teeth has the same shape and is simultaneously equally spaced apart in the circumferential direction, so that the plurality of slots are all of uniform shape. The coil is wound on the cutting groove and then passes through direct current to form a magnetic field, and the magnetic field of the coil and the magnetic field of the magnet generate repelling attraction, so that the rotating force is generated.
In the conventional winding method, the winding is generally performed by a double fly winding method, in which the winding is simultaneously laminated at two positions and the requirement of point symmetry with respect to the rotation axis is satisfied. In this case, the coils wound later may overlap. Thus, when the respective slots accommodate the first wound coil and the second wound coil, the other slots accommodate the last wound coil and the second wound coil. As a result, if all the slots have the same shape, space is wasted in each slot, the lamination factor from the coil to the slot is reduced, and the torque and the rotation speed of the motor are affected, which needs to be improved.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide an iron core chip structure of motor, the iron core chip structure of this motor have avoid the space extravagant and show the effect that promotes the heat dispersion.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the iron core plate structure of the motor comprises a rotor yoke part and a coil group, wherein a plurality of regular long teeth distributed in an equal radian are arranged on the peripheral side wall of the rotor yoke part, oblique long teeth are arranged between every two adjacent regular long teeth, a separation groove is formed between each regular long tooth and the adjacent oblique long tooth, one end, away from the rotor yoke part, of each oblique long tooth inclines towards the winding direction, and the other end of each oblique long tooth inclines towards the other end of the winding direction; the coil group is composed of a plurality of coils with two ends respectively fixed with the adjacent positive long teeth and the inclined long teeth in a winding mode.
Through adopting above-mentioned technical scheme, when combining positive long tooth and oblique long tooth and connect the coil, will realize realizing the adjustment to the corresponding space size in the compartment according to the wire winding demand of coil, and then showing the utilization ratio that promotes the compartment space for the iron core piece structure of this motor has the effect of avoiding the space extravagant and showing promotion heat dispersion.
The utility model discloses further set up to: one end of the regular long tooth, which is far away from the rotor yoke, is provided with a regular limit part for preventing the coil from being separated from the interior of the regular long tooth, and one end of the oblique long tooth, which is far away from the rotor yoke, is provided with an oblique limit part for preventing the coil from being separated from the interior of the oblique long tooth.
Through adopting above-mentioned technical scheme, positive limit portion plays the effect that prevents corresponding coil one end and break away from in the positive long tooth, and oblique limit portion plays the effect that prevents corresponding coil one end and break away from in the oblique long tooth to when showing the connection structure stability who promotes coil and rotor yoke portion, positive long tooth and oblique long tooth, make the iron core piece structure of this motor have the effect of avoiding the space extravagant and showing promotion heat dispersion.
The utility model discloses further set up to: the both sides of oblique long tooth all are provided with the slope lateral wall, the both sides of positive long tooth all are provided with positive lateral wall, just positive lateral wall with the positive side axis of positive long tooth is parallel, positive side axis is followed the radial distribution of rotor yoke portion.
Through adopting above-mentioned technical scheme, effectively with the oblique long tooth and the positive long tooth setting of corresponding shape, structure in the periphery one side of rotor yoke portion to make oblique long tooth and the stable installation that realizes a plurality of coils of positive long tooth cooperation, and reach the purpose that promotes the space utilization who separates the groove, make the iron core piece structure of this motor have the effect of avoiding the space extravagant and showing promotion heat dispersion.
The utility model discloses further set up to: the inclined long teeth incline by taking the middle part of the axis of the front side as the circle center, and an included angle x which is not less than 4 degrees and not more than 10 degrees is formed between the inclined side wall and the front side wall.
By adopting the technical scheme, the effect of maximally utilizing the space of the separation groove is realized when the included angle x is larger than 4 degrees and smaller than 10 degrees.
The utility model discloses further set up to: the included angle x is 7 °.
By adopting the technical scheme, the effect of maximally utilizing the space of the separation groove is realized when the included angle x is 7 degrees.
The utility model discloses further set up to: the inner end and the outer end of one side of the oblique long teeth facing the winding direction are respectively provided with an inner concave bottom groove and an outer convex top groove; the inner end and the outer end of the other side are respectively provided with an outer convex bottom groove and an inner concave top groove.
Through adopting above-mentioned technical scheme, indent kerve, evagination top groove, evagination kerve and indent top groove have realized increasing coil and rotor yoke portion, the contact area of oblique long tooth and positive long tooth jointly for the heat of coil obtains good conduction, and then when showing promotion separating groove space utilization, makes the iron core piece structure of this motor have the effect of avoiding the space waste and showing promotion heat dispersion.
The utility model discloses further set up to: the positive long teeth and the oblique long teeth are provided with N coils, the coil group is composed of N coils, and two groups of coils which are connected end to end are arranged on the rotor yoke portion.
Through adopting above-mentioned technical scheme, rationally the overall arrangement coil assembly to rotor yoke portion on positive long tooth and the oblique long tooth to reach the maximum and show the mesh that promotes the heat dispersion of separating groove space utilization.
The utility model discloses further set up to: the number of the positive long teeth and the number of the oblique long teeth are 5, and the coil group consists of a one-turn coil, a two-turn coil, a three-turn coil, a four-turn coil and a five-turn coil which are sequentially arranged along the winding direction; one end of the first turn of coil, which is far away from the second turn of coil, is fixed with the corresponding positive long tooth, and the other end of the first turn of coil is fixed with the corresponding oblique long tooth in a winding manner; one end of the two-turn coil, which is close to the one-turn coil, is fixed with the corresponding inclined long tooth winding and is abutted against the outer side of the corresponding end of the one-turn coil; one end of the three-turn coil, which is close to the two-turn coil, is fixed with the corresponding positive long tooth winding and is abutted against the outer side of the corresponding end of the two-turn coil; one end of the four-turn coil, which is close to the three-turn coil, is fixed with the corresponding inclined long tooth winding and is abutted against the outer side of the corresponding end of the three-turn coil; and one end of the five-turn coil, which is close to the four-turn coil, is fixed with the corresponding positive long tooth winding and is abutted against the outer side of the corresponding end of the four-turn coil, and the other end of the five-turn coil is abutted against the outer side of the one-turn coil in the other coil group.
By adopting the technical scheme, the obtained iron chip structure of the motor is effectively combined and distributed into two coil groups consisting of one coil, two coils, three coils, four coils and five coils, when the middle separation groove of the iron chip structure respectively contains the coil wound firstly and the coil wound secondly, the residual separation groove achieves the effect of maximizing the space utilization rate of the separation groove when containing the coil wound subsequently and the coil wound secondly, the space waste in the separation groove is avoided, the stacking coefficient of the coil is correspondingly increased, the heat dissipation performance is increased, and the effect of outputting torque rotating speed is improved, so that the iron chip structure of the motor has the effects of avoiding the space waste and remarkably improving the heat dissipation performance.
To sum up, the utility model discloses following beneficial effect has: through set up a plurality of arrange positive and long teeth and oblique long tooth in order to carry out the winding of coil in order to carry out in periphery one side at rotor yoke portion to make the coil in the winding in-process with rotor yoke portion, positive and long tooth and oblique long tooth abundant and inseparable contact, realize that the heat conduction is fast, the thermal diffusivity promotes and separates the effect that groove area utilization promotes, make the iron core chip structure of this motor have the effect of avoiding the space extravagant and showing promotion thermal diffusivity.
Drawings
Fig. 1 is a schematic structural view of a rotor yoke portion of the present embodiment;
fig. 2 is a schematic view of a combined structure of a rotor yoke and a coil according to the present embodiment.
Description of reference numerals: 1. a rotor yoke portion; 2. a positive long tooth; 21. a limit part; 3. oblique long teeth; 31. a skew limiting portion; 32. an inclined side wall; 33. a front side wall; 34. a positive lateral axis; 4. separating the grooves; 41. an inner concave bottom groove; 42. a convex top groove; 43. an inner concave top groove; 44. a convex bottom groove; 5. a one-turn coil; 6. two turns of coil; 7. three turns of coil; 8. four turns of coil; 9. five turns of coil.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
The following will be specifically described for the core plate structure of the motor of the present application:
as shown in fig. 1, a core plate structure of a motor includes a rotor yoke portion 1 and a coil assembly. The outer peripheral side wall of the rotor yoke part 1 is provided with a plurality of regular long teeth 2 distributed in an equal radian, and oblique long teeth 3 are arranged between every two adjacent regular long teeth 2. Accordingly, a spacing groove 4 is formed between the regular long tooth 2 and the adjacent oblique long tooth 3. The slots 4 are used for winding and fixing the coil group.
Specifically, one end of the skewed long teeth 3 away from the rotor yoke 1 is tilted toward the winding direction, and the other end is tilted toward the other end of the winding direction. The coil group is composed of a plurality of coils with two ends respectively fixed with the adjacent positive long teeth 2 and the inclined long teeth 3 in a winding way. Therefore, when combining the positive long tooth 2 and the oblique long tooth 3 to connect the coil, will realize realizing the adjustment to the corresponding space size in the separate groove 4 according to the wire winding demand of coil, and then showing the utilization ratio that promotes the space in separate groove 4 for the iron core piece structure of this motor has the effect of avoiding the space extravagant and showing promotion heat dispersion.
As shown in fig. 1, a stopper 21 for preventing the coil from coming off from the inside of the spur tooth 2 is provided at one end of the spur tooth 2 away from the rotor yoke 1. A skew stopper 31 for preventing the coil from being disengaged from the inside of the skewed long teeth 3 is provided at an end of the skewed long teeth 3 away from the rotor yoke 1. Therefore, positive limit portion 21 plays the effect that prevents corresponding coil one end and break away from in positive long tooth 2, and oblique limit portion 31 plays the effect that prevents corresponding coil one end and break away from in oblique long tooth 3 to when showing the connection structure stability who promotes coil and rotor yoke portion 1, positive long tooth 2 and oblique long tooth 3, make the iron core piece structure of this motor have the effect of avoiding the space extravagant and showing promotion heat dispersion.
It should be noted that, both sides at the skewed long tooth 3 are provided with the oblique side wall 32, and both sides at the positive long tooth 2 are provided with the positive side wall 33, and the positive side wall 33 is parallel with the positive side axis 34 of the positive long tooth 2, the positive side axis 34 is distributed along the radial direction of the rotor yoke portion 1, and then the iron core sheet structure of the motor effectively sets up corresponding shape, the skewed long tooth 3 and the positive long tooth 2 of structure in the periphery one side of the rotor yoke portion 1, thereby make the skewed long tooth 3 cooperate with the positive long tooth 2 to realize the stable installation of a plurality of coils, and reach the purpose of promoting the space utilization of the partition groove 4, make the iron core sheet structure of the motor have the effect of avoiding space waste and remarkably promoting the heat dissipation performance.
It should be noted that the elongate slanted tooth 3 is slanted around the center of the front axis 34.
Specifically, the method comprises the following steps:
an included angle x of not less than 4 ° and not more than 10 ° is formed between the inclined side wall 32 and the front side wall 33. Therefore, the effect of maximizing the space of the partition grooves 4 is achieved when the angle x is not less than 4 ° and not more than 10 °.
Correspondingly, an inner concave bottom groove 41 and an outer convex top groove 42 are respectively arranged at the inner end and the outer end of one side of the oblique long tooth 3 facing the winding direction; the inner and outer ends of the other side are respectively provided with an outer convex bottom groove 44 and an inner concave top groove 43. The inner concave bottom groove 41, the outer convex top groove 42, the outer convex bottom groove 44 and the inner concave top groove 43 jointly realize that the contact area of the coil and the yoke portion 1 of the rotor, the oblique long teeth 3 and the positive long teeth 2 is increased, so that the heat of the coil is well conducted, and the iron core plate structure of the motor has the effects of avoiding space waste and remarkably improving heat dissipation performance while remarkably improving the space utilization rate of the separation groove 4.
Wherein, positive long tooth 2 and oblique long tooth 3 all are provided with N, and the coil assembly comprises N coil, are provided with two sets of end to end's coil on the rotor yoke portion 1. Thereby through on the positive long tooth 2 and the oblique long tooth 3 of rationally distributed coil assembly to rotor yoke portion 1 to reach the maximization of separating 4 space utilization of groove and showing the mesh that promotes the heat dispersion.
Example one
As shown in fig. 1, a core plate structure of a motor includes a rotor yoke portion 1 and a coil assembly. The outer peripheral side wall of the rotor yoke part 1 is provided with a plurality of regular long teeth 2 distributed in an equal radian, and oblique long teeth 3 are arranged between every two adjacent regular long teeth 2. Accordingly, a spacing groove 4 is formed between the regular long tooth 2 and the adjacent oblique long tooth 3. The separation grooves 4 are used for winding and fixing the coil group.
Specifically, one end of the skewed long tooth 3 away from the rotor yoke 1 is tilted toward the winding direction, and the other end is tilted toward the other end of the winding direction. The coil group is composed of a plurality of coils with two ends respectively fixed with the adjacent positive long teeth 2 and the inclined long teeth 3 in a winding way. Therefore, when combining the positive long tooth 2 and the oblique long tooth 3 to connect the coil, will realize realizing the adjustment to the corresponding space size in the separate groove 4 according to the wire winding demand of coil, and then showing the utilization ratio that promotes the space in separate groove 4 for the iron core piece structure of this motor has the effect of avoiding the space extravagant and showing promotion heat dispersion.
As shown in fig. 1, a positive limit portion 21 for preventing the coil from coming off from the inside of the positive teeth 2 is provided at one end of the positive teeth 2 away from the rotor yoke 1. A skew stopper 31 for preventing the coil from being disengaged from the inside of the skewed long teeth 3 is provided at an end of the skewed long teeth 3 away from the rotor yoke 1. Therefore, positive limit portion 21 plays the effect that prevents corresponding coil one end and break away from in positive long tooth 2, and oblique limit portion 31 plays the effect that prevents corresponding coil one end and break away from in oblique long tooth 3 to when showing the connection structure stability who promotes coil and rotor yoke portion 1, positive long tooth 2 and oblique long tooth 3, make the iron core piece structure of this motor have the effect of avoiding the space extravagant and showing promotion heat dispersion.
It should be noted that, both sides at the skewed long tooth 3 are provided with the oblique side wall 32, and both sides at the positive long tooth 2 are provided with the positive side wall 33, and the positive side wall 33 is parallel with the positive side axis 34 of the positive long tooth 2, the positive side axis 34 is distributed along the radial direction of the rotor yoke portion 1, and then the iron core sheet structure of the motor effectively sets up corresponding shape, the skewed long tooth 3 and the positive long tooth 2 of structure in the periphery one side of the rotor yoke portion 1, thereby make the skewed long tooth 3 cooperate with the positive long tooth 2 to realize the stable installation of a plurality of coils, and reach the purpose of promoting the space utilization of the partition groove 4, make the iron core sheet structure of the motor have the effect of avoiding space waste and remarkably promoting the heat dissipation performance.
It should be noted that the elongate slanted tooth 3 is slanted around the center of the front axis 34.
Specifically, the method comprises the following steps:
an included angle x with a radian of 7 degrees is formed between the inclined side wall 32 and the front side wall 33, so that the effect of maximally utilizing the space of the partition groove 4 is realized through the included angle x.
Correspondingly, an inner concave bottom groove 41 and an outer convex top groove 42 are respectively arranged at the inner end and the outer end of one side of the oblique long tooth 3 facing the winding direction; the inner and outer ends of the other side are respectively provided with an outer convex bottom groove 44 and an inner concave top groove 43. The inner concave bottom groove 41, the outer convex top groove 42, the outer convex bottom groove 44 and the inner concave top groove 43 jointly realize the increase of the contact area of the coil and the yoke part 1 of the rotor, the oblique long teeth 3 and the positive long teeth 2, so that the heat of the coil is well conducted, and further, when the space utilization rate of the separation groove 4 is remarkably improved, the iron core plate structure of the motor has the effects of avoiding space waste and remarkably improving the heat dissipation performance.
Wherein, positive long tooth 2 and oblique long tooth 3 all are provided with 5, and the coil assembly comprises 5 coils to be provided with two sets of end to end's coil on rotor yoke portion 1. Thereby through on the positive long tooth 2 and the oblique long tooth 3 of rationally distributed coil assembly to rotor yoke portion 1 to reach the maximization of separating 4 space utilization of groove and showing the mesh that promotes the heat dispersion.
Specifically, in the present embodiment, as shown in fig. 2, the coil group is composed of a coil 5 of one turn, a coil 6 of two turns, a coil 7 of three turns, a coil 8 of four turns, and a coil 9 of five turns, which are sequentially arranged in the winding direction. One end of the one-turn coil 5, which is far away from the two-turn coil 6, is fixed with the corresponding positive long tooth 2, and the other end of the one-turn coil is fixed with the corresponding oblique long tooth 3 in a winding manner; one end of the two-turn coil 6 close to the one-turn coil 5 is fixed with the corresponding inclined long tooth 3 in a winding mode and is abutted against the outer side of the corresponding end of the one-turn coil 5; one end of the three-turn coil 7 close to the two-turn coil 6 is fixed with the corresponding positive long tooth 2 in a winding manner and is abutted against the outer side of the corresponding end of the two-turn coil 6; one end of the four-turn coil 8 close to the three-turn coil 7 is fixed with the corresponding inclined long tooth 3 in a winding manner and is abutted against the outer side of the corresponding end of the three-turn coil 7; one end of the five-turn coil 9 close to the four-turn coil 8 is fixed with the corresponding positive long tooth 2 in a winding mode and is abutted against the outer side of the corresponding end of the four-turn coil 8, and the other end of the five-turn coil 9 is abutted against the outer side of the one-turn coil 5 in the other coil group. Therefore, the obtained iron chip structure of the motor is effectively combined and distributed with two coil groups consisting of the coil 5 with one turn, the coil 6 with two turns, the coil 7 with three turns, the coil 8 with four turns and the coil 9 with five turns, when the middle separation groove 4 of the motor respectively contains the coil wound firstly and the coil wound secondly, the residual separation groove 4 achieves the effect of maximizing the space utilization rate of the separation groove 4 when containing the coil wound subsequently and the coil wound secondly, the space waste in the separation groove 4 is avoided, the effects of increasing the lamination coefficient of the coil, increasing the heat dissipation performance and improving the torque rotating speed output are correspondingly realized, and the iron chip structure of the motor has the effects of avoiding the space waste and remarkably improving the heat dissipation performance.
Example two
The difference between the second embodiment and the first embodiment is that the included angle x in the second embodiment is 10 °, so as to achieve the effect of maximizing the space utilization of the separation grooves 4 when the included angle x is 10 °.
EXAMPLE III
The difference between the third embodiment and the first embodiment is that the included angle x in the third embodiment is 4 °, so as to achieve the effect of maximizing the space utilization of the separation grooves 4 when the included angle x is 4 °.
To sum up, this application is through setting up a plurality of winding of arranging positive and long tooth 2 and oblique long tooth 3 in order to carry out the coil in proper order in periphery one side at rotor yoke portion 1 to make the coil in winding process and rotor yoke portion 1, positive and long tooth 2 and oblique long tooth 3 abundant and inseparable contact, realize that the heat conduction is fast, the heat dissipation promotes and separates the effect that 4 area utilization in groove promoted, make the iron core piece structure of this motor have the effect of avoiding the space extravagant and showing promotion heat dispersion.
The above is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiments, but all the cases belong to the technical solution of the present invention under the thought all belong to the protection scope of the present invention. It should be noted that modifications and decorations, which would occur to those skilled in the art without departing from the principle of the present invention, should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides an iron core piece structure of motor, includes rotor yoke portion (1) and coil assembly, be provided with a plurality of equal radian distribution's positive long tooth (2) on the periphery lateral wall of rotor yoke portion (1), its characterized in that: oblique long teeth (3) are arranged between every two adjacent positive long teeth (2), a separation groove (4) is formed between each positive long tooth (2) and the corresponding adjacent oblique long tooth (3), one end, far away from the rotor yoke portion (1), of each oblique long tooth (3) inclines towards the winding direction, and the other end inclines towards the other end of the winding direction; the coil group is composed of a plurality of coils with two ends respectively fixed with the adjacent regular long teeth (2) and the inclined long teeth (3) in a winding mode.
2. The core plate structure of an electric machine according to claim 1, characterized in that: one end of the regular long tooth (2) far away from the rotor yoke portion (1) is provided with a regular limiting portion (21) used for limiting the coil to be separated from the regular long tooth (2), and one end of the oblique long tooth (3) far away from the rotor yoke portion (1) is provided with an oblique limiting portion (31) used for limiting the coil to be separated from the oblique long tooth (3).
3. The core plate structure of an electric machine according to claim 2, characterized in that: the both sides of oblique long tooth (3) all are provided with slope lateral wall (32), the both sides of positive long tooth (2) all are provided with positive lateral wall (33), just positive lateral wall (33) with positive side axis (34) of positive long tooth (2) are parallel, positive side axis (34) are followed the radial distribution of rotor yoke portion (1).
4. The core plate structure of an electric machine according to claim 3, characterized in that: the inclined long teeth (3) are inclined by taking the middle part of the front side axis (34) as a circle center, and an included angle x which is not less than 4 degrees and not more than 10 degrees is formed between the inclined side wall (32) and the front side wall (33).
5. The core plate structure of an electric machine according to claim 4, wherein: the included angle x is 7 °.
6. The core plate structure of an electric machine according to claim 2, characterized in that: the inner end and the outer end of one side of the oblique long tooth (3) facing the winding direction are respectively provided with an inner concave bottom groove (41) and an outer convex top groove (42); the inner end and the outer end of the other side are respectively provided with a convex bottom groove (44) and a concave top groove (43).
7. The core plate structure of an electric machine according to claim 3, characterized in that: just long tooth (2) with it all is provided with N to incline long tooth (3), just coil assembly comprises N coils, be provided with two sets of end to end on rotor yoke portion (1) coil assembly.
8. The core plate structure of an electric machine according to claim 7, wherein: the positive long teeth (2) and the oblique long teeth (3) are provided with 5 pieces, and the coil group consists of a one-turn coil (5), a two-turn coil (6), a three-turn coil (7), a four-turn coil (8) and a five-turn coil (9) which are sequentially arranged along the winding direction; one end of the one-turn coil (5) far away from the two-turn coil (6) is wound and fixed with the corresponding positive long tooth (2), and the other end of the one-turn coil is wound and fixed with the corresponding oblique long tooth (3); one end of the two-turn coil (6) close to the one-turn coil (5) is fixed with the corresponding inclined long tooth (3) in a winding mode and is abutted against the outer side of the corresponding end of the one-turn coil (5); one end of the three-turn coil (7) close to the two-turn coil (6) is fixed with the corresponding positive long tooth (2) in a winding mode and is abutted against the outer side of the corresponding end of the two-turn coil (6); one end of the four-turn coil (8) close to the three-turn coil (7) is fixed with the corresponding inclined long tooth (3) in a winding mode and is abutted against the outer side of the corresponding end of the three-turn coil (7); one end of the five-turn coil (9) close to the four-turn coil (8) is fixed with the corresponding positive long tooth (2) in a winding mode and is abutted against the outer side of the corresponding end of the four-turn coil (8), and the other end of the five-turn coil (9) is abutted against the outer side of the one-turn coil (5) in the other coil group.
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| CN202222653022.0U CN218216847U (en) | 2022-09-30 | 2022-09-30 | Iron core plate structure of motor |
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| CN202222653022.0U CN218216847U (en) | 2022-09-30 | 2022-09-30 | Iron core plate structure of motor |
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