CN211183554U - Stator punching sheet, stator core, stator and motor - Google Patents
Stator punching sheet, stator core, stator and motor Download PDFInfo
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- CN211183554U CN211183554U CN202020201342.0U CN202020201342U CN211183554U CN 211183554 U CN211183554 U CN 211183554U CN 202020201342 U CN202020201342 U CN 202020201342U CN 211183554 U CN211183554 U CN 211183554U
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Abstract
The utility model provides a stator is towards piece, stator core, stator and motor. The stator punching sheet comprises a yoke part; one end of the tooth part is connected with the yoke part, and the other end of the tooth part extends out in the direction far away from the yoke part; wherein, at least a part of stator punching has rectangle structure or fan-shaped structure, and tooth portion includes: first tooth body, second tooth body and third tooth body, the one side of first tooth body is located to the second tooth body, and the opposite side that the second tooth body was kept away from to first tooth body is located to the third tooth body. The utility model discloses can improve winding coil's winding efficiency and the convenient degree of winding.
Description
Technical Field
The utility model relates to a technical field of motor particularly, relates to stator towards piece, stator core, stator and motor.
Background
In the related art, a motor generally includes a stator including a stator core and a winding coil wound around the stator core, and a rotor installed inside or outside the stator. The stator core is formed by laminating a plurality of stator punching sheets, each stator punching sheet is provided with a plurality of tooth parts and yoke parts, and stator core sheets formed after punching are welded or bonded with each other to form a complete stator core. One of the disadvantages of the related art is that winding of the winding coil is inconvenient, which affects the production and manufacturing efficiency of the motor.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve at least one of the above technical problems.
Therefore, the utility model discloses a first aim at provides a stator punching.
A second object of the present invention is to provide a stator core.
A third object of the present invention is to provide a stator.
A fourth object of the present invention is to provide a motor.
For realizing the utility model discloses a first purpose, the embodiment of the utility model provides a stator punching sheet, include: a yoke portion; one end of the tooth part is connected with the yoke part, and the other end of the tooth part extends out in the direction far away from the yoke part; wherein, stator punching's at least partly has rectangle structure or fan-shaped structure, and tooth portion includes first tooth body, second tooth body and third tooth body, and second tooth body and third tooth body are located to first tooth body between.
The first tooth body, the second tooth body and the third tooth body jointly form an E-shaped structure, so that the outline of the stator punching sheet is rectangular or fan-shaped. This embodiment can be convenient for when the winding coil is being wound, improves winding efficiency, also can avoid the winding coil to take place to collide with when winding to can guarantee the quality of winding coil. In addition, the stator punching sheet with the rectangular structure can avoid mutual interference of the stator punching sheet during installation. The stator punching sheet with the sector structure is more stable in structure when being matched in a splicing manner, and the stability of the stator punching sheet after being assembled and spliced can be effectively improved.
In addition, the technical solution provided by the above embodiment of the present invention can also have the following additional technical features:
among the above-mentioned technical scheme, yoke portion and tooth portion have straight bar structure respectively, and first tooth body, second tooth body and third tooth body set up side by side to make at least some of stator punching have the rectangle structure.
The stator punching sheet with the rectangular structure is simple in structure and convenient to manufacture, and winding coils are wound on the tooth portions. In addition, the stator punching sheet with the rectangular structure is convenient to mount and fix, and the mounting and assembling efficiency of the stator punching sheet can be improved.
Among any above-mentioned technical scheme, yoke portion has the arc structure, and the tooth portion has straight bar structure, and the one end that yoke portion was kept away from to first tooth body is kept away from to the one end extension of yoke portion to second tooth body and third tooth body to make at least part of stator punching sheet have fan-shaped structure.
The stator punching sheet with the sector structure is more stable in structure and convenient to manufacture, and winding coils are wound on the tooth portions.
Among any one of the above-mentioned technical scheme, stator punching still includes: the welding part is provided with an inner concave structure or an outer convex structure; the welding part is arranged on the first vertex angle and/or the second vertex angle.
The stator punching sheet is fixed through the welding portion. First apex angle and second apex angle through at all set up the welding part, can make stator towards fixed more firm of piece to improve stator towards piece overall structure's fastness and life.
Among any one of the above-mentioned technical scheme, the stator punching still includes: and the tooth shoe is arranged at one end, far away from the yoke part, of at least one of the first tooth body, the second tooth body and the third tooth body.
When winding the winding coil on the first tooth body, the second tooth body or the third tooth body which are provided with the tooth boots, the tooth boots can prevent the winding coil from falling off so as to prolong the service life of the winding coil.
In any of the above embodiments, at least a portion of the tooth shoes have an arcuate configuration, and the plurality of tooth shoes collectively enclose at least a portion defining a circle.
At least a portion of the tooth shoes have an arcuate configuration and are capable of mating with the outer profile of the rotor.
In any one of the above technical solutions, the tooth shoe is made of a soft magnetic material, and the soft magnetic material tooth shoe is sleeved with at least one of the first tooth body, the second tooth body and the third tooth body.
The tooth boots of soft magnetic material are favorable to the installation fixed to soft magnetic material also more is favorable to the tooth boots cup joint on first tooth body, second tooth body or third tooth body, can twine the tooth boots of reinstallation after the winding coil on first tooth body, second tooth body or the third tooth body, with the winding efficiency who guarantees the winding coil.
In any one of the above technical solutions, the tooth shoe includes: the first tooth shoe is arranged at one end, far away from the yoke, of the first tooth body; wherein, split type connection between first tooth boots and the first tooth body.
One end of the first tooth body far away from the yoke part is provided with the first tooth shoe, so that the winding coil wound on the first tooth body can be prevented from falling off. The first tooth boots are connected with the first tooth body in a split mode, so that the first tooth boots are installed after winding coils are wound on the first tooth body, and the winding efficiency of the winding coils can be guaranteed.
Among any one of the above-mentioned technical scheme, the stator punching still includes: a first connecting portion provided on either one of the first tooth body and the first tooth shoe; a second connecting portion provided on the other of the first tooth body and the first tooth shoe; wherein, first connecting portion and second connecting portion mutually support to make first tooth body and first tooth boots interconnect.
Through set up first connecting portion and the second connecting portion that can mutually support the connection respectively on first tooth boots and the first tooth body, can accomplish the installation concatenation of first tooth body again after twining winding coil in arbitrary tooth boots or yoke portion. Therefore, the winding of the winding coil is facilitated, and the winding coil after winding can be prevented from loosening.
In any of the above technical solutions, at least a portion of the first connecting portion protrudes outward with respect to any one of the first tooth body and the first tooth shoe; at least a portion of the second connecting portion is recessed inwardly with respect to the other of the first tooth body and the first tooth shoe with respect to either one of them.
When first connecting portion and second connecting portion adopt unsmooth complex structure nested or lock to connect respectively, structural style is simple, especially when the unsmooth cooperation structure that adopts falcon structure, and not only connection structure is simple, and can prevent to take place to rotate between first tooth boots and the first tooth body to guarantee the firmness of being connected between first tooth boots and the first tooth body, make first tooth boots be difficult to drop, can guarantee the performance of first tooth boots effect, finally improve the product quality of stator punching.
For realizing the utility model discloses a second purpose, the embodiment of the utility model provides a stator core, include: the stator punching sheet as any embodiment of the utility model; wherein, stator punching of at least two is folded each other and is pressed, prescribes a limit to at least a part of stator core jointly.
The stator core of this embodiment includes like the utility model discloses the stator towards the piece, consequently it has like the utility model discloses the whole beneficial effect of the stator towards the piece of arbitrary embodiment, no longer give consideration to here.
For realizing the utility model discloses a third purpose, the embodiment of the utility model provides a stator, include: a stator core as in any of the embodiments of the present invention; and a winding coil wound on the yoke and/or the teeth.
The stator of this embodiment includes like the utility model discloses the stator core of any embodiment, consequently it has like the utility model discloses the whole beneficial effect of the stator core of any embodiment, no longer describe herein.
In any of the above technical solutions, the winding coil is wound on the first tooth body of the tooth portion.
Winding coil twines on the first tooth body that is located the middle part, and first tooth body is located semi-enclosed rectangle structure or fan-shaped structure, more is favorable to stator core structure's stability.
In any of the above technical solutions, the winding coil is wound around a portion of the yoke located between the first tooth body and the second tooth body; and/or a winding coil is wound around a portion of the yoke portion between the first tooth body and the third tooth body.
The embodiment is convenient for winding the winding coil and improving the stability of the stator core structure.
In any one of the above technical solutions, the plurality of stator core segments are arranged along the circumferential direction; the winding coil is wound between two adjacent tooth parts of two adjacent stator core blocks.
This embodiment further guarantees its stability on the basis of guaranteeing stator core performance with two adjacent stator core intertwine through the winding coil.
In any of the above technical solutions, the stator further includes: and the insulating frame is arranged between the stator core and the winding coil and is mutually attached to the stator core.
Before winding coils are wound on the stator core, the insulating frame is sleeved on the stator core and extends to the inner sides of the yoke part and the tooth part to cover the yoke part and the tooth part, so that the stator core is insulated. And then winding coils on the insulating frame, so that the safety performance and the stability of the stator core can be improved.
For realizing the utility model discloses a fourth purpose, the embodiment of the utility model provides a motor, include: a stator comprising a stator according to any of the embodiments of the present invention; and the rotor is matched with the stator.
The motor of this embodiment includes like the utility model discloses the stator of any embodiment, therefore it has like the utility model discloses the whole beneficial effect of the stator of any embodiment, no longer describe herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a first schematic top view of a stator punching sheet according to an embodiment of the present invention;
fig. 2 is a second schematic top view of a stator punching sheet according to an embodiment of the present invention;
fig. 3 is a third schematic top view of a stator punching sheet according to an embodiment of the present invention;
fig. 4 is a fourth schematic top view of a stator punching sheet according to an embodiment of the present invention;
fig. 5 is a fifth schematic top view of a stator punching sheet according to an embodiment of the present invention;
fig. 6 is a first assembly diagram of a stator core, a winding coil and an insulating frame according to an embodiment of the present invention;
fig. 7 is a second assembly diagram of the stator core, the winding coil and the insulating frame according to the embodiment of the present invention;
fig. 8 is a third assembly view of the stator core, the winding coil and the insulating frame according to the embodiment of the present invention;
fig. 9 is a fourth assembly view of the stator core, the winding coil and the insulating frame according to the embodiment of the present invention;
fig. 10 is a fifth assembly view of the stator core, the winding coil and the insulating frame according to the embodiment of the present invention;
fig. 11 is a first schematic top view of a stator according to an embodiment of the present invention;
fig. 12 is a second schematic top view of a stator according to an embodiment of the present invention;
fig. 13 is a third schematic top view of a stator according to an embodiment of the present invention;
fig. 14 is a fourth schematic top view of a stator according to an embodiment of the present invention;
fig. 15 is a fifth schematic top view of a stator according to an embodiment of the present invention;
fig. 16 is a sixth schematic top view of a stator according to an embodiment of the present invention.
Wherein, the corresponding relation between the reference signs and the component names is as follows:
10: stator, 20: rotor, 100: stator lamination, 102: yoke, 104: tooth portion, 106: tooth shoe, 108: a first connection portion; 110: stator core segment, 112: second connection portion, 114: weld, 200: insulating frame, 300: winding coil, 1042: first tooth body, 1044: second tooth body, 1046: third tooth body, 1062: first tooth shoe, 1064: second tooth shoe, 1066: and a third tooth shoe.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the related art, the stator core product is limited by the internal space, and when winding coils are wound on the tooth portions or the yoke portions, the winding is slow and constant, and it is difficult to ensure that the enameled wires are arranged neatly and are not damaged. To improve this problem, the technical solutions of some embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a stator punching sheet 100, which includes a yoke portion 102 and a tooth portion 104, wherein one end of the tooth portion 104 is connected to the yoke portion 102, and the other end extends away from the yoke portion 102. At least a portion of the stator lamination 100 has a rectangular structure or a fan-shaped structure, the tooth portion 104 includes a first tooth body 1042, a second tooth body 1044, and a third tooth body 1046, and the first tooth body 1042 is disposed between the second tooth body 1044 and the third tooth body 1046.
During installation and assembly, the plurality of stator laminations 100 are stacked and pressed with each other to form at least one part of the stator core. In this embodiment, at least a portion of the stator lamination 100 has a rectangular or fan-shaped configuration, and one end of the stator lamination is open, and the open end is close to the rotor 20, and the tooth 104 forms a portion of the fan-shaped or rectangular configuration. In this embodiment, at least a part of the stator punching sheet 100 is set to be an E-shaped structure, so that the winding coil 300 is conveniently wound on the tooth portion 104, the winding efficiency of the winding coil 300 is improved, the winding coil 300 of this embodiment is not easy to collide with during winding, and the quality of the winding coil 300 can be ensured.
In this embodiment, the teeth 104 are divided into three parts, i.e., a first tooth body 1042, a second tooth body 1044, and a third tooth body 1046, and one part of the three parts is formed into a rectangular structure or a fan-shaped structure with an open end, so that the structure is simple, and the winding coil 300 can be conveniently wound on a suitable part of the teeth 104. The first tooth body 1042 is adapted to wind the winding coil 300.
The stator punching sheet 100 having a rectangular structure or a fan-shaped structure is annularly disposed and fixed along the same center, the center is used for disposing the rotor 20, the winding coil 300 is wound on the tooth portion 104 or the yoke portion 102, and when wound on the yoke portion 102, a relatively narrow space in the yoke portion 102 is avoided, so that the winding coil 300 is wound more efficiently.
Example 2:
as shown in fig. 3 and 4, the present embodiment provides a stator punching sheet 100, and in addition to the technical features of embodiment 1, the present embodiment further includes the following technical features.
The yoke portion 102 and the tooth portion 104 respectively have a straight bar structure, and the first tooth body 1042, the second tooth body 1044, and the third tooth body 1046 are arranged in parallel, so that at least a portion of the stator lamination 100 has a rectangular structure.
In order to ensure the stability of the overall structure of the stator punching sheet 100, the first tooth body 1042 is located at the symmetric center of the stator punching sheet 100 with a symmetric structure, so that the structural strength and the stability of the overall structure of the stator punching sheet 100 can be ensured.
In this embodiment, the yoke 102 and the tooth 104 may be integrally formed, or may be assembled after being separately manufactured. The stator lamination 100 with the rectangular structure has a simple structure, is convenient to manufacture, and is beneficial to regularly and regularly winding the winding coil 300 on the tooth part 104.
Example 3:
as shown in fig. 5, the present embodiment provides a stator punching sheet 100, and in addition to the technical features of embodiment 1, the present embodiment further includes the following technical features.
The yoke portion 102 has an arc-shaped structure, the tooth portion 104 has a straight-bar structure, and an end of the second tooth body 1044 and the third tooth body 1046 away from the yoke portion 102 extend towards an end of the first tooth body 1042 away from the yoke portion 102, so that at least a portion of the stator lamination 100 has a fan-shaped structure.
In order to ensure the stability of the overall structure of the stator punching sheet 100, the first tooth body 1042 is located at the symmetric center of the stator punching sheet 100 with a symmetric structure, so that the structural strength and the stability of the overall structure of the stator punching sheet 100 can be ensured.
In this embodiment, the yoke 102 and the tooth 104 may be integrally formed, or may be assembled after being separately manufactured. The stator lamination 100 with the sector structure is more stable in structure, and winding coils 300 are wound on the teeth 104 conveniently.
Example 4:
the present embodiment provides a stator punching sheet 100, which includes the following technical features in addition to the technical features of any one of the above embodiments.
The stator lamination 100 is formed by splicing at least two stator core segments 110. The stator core segments 110 facilitate the installation and assembly of the stator lamination 100 and also facilitate the winding of the winding coil 300.
Example 5:
as shown in fig. 3 to 5, the present embodiment provides a stator punching sheet 100, and in addition to the technical features of any one of the above embodiments, the present embodiment further includes the following technical features.
The first and second vertex angles may be any one of right, acute, or obtuse angles. Through all setting up welding part 114 at first apex angle and second apex angle, can make stator towards fixed more firm of piece 100 to improve stator towards piece 100 overall structure's fastness and life.
Example 6:
as shown in fig. 3 to 5, the present embodiment provides a stator punching sheet 100, and in addition to the technical features of any one of the above embodiments, the present embodiment further includes the following technical features.
At least one of the first gear body 1042, the second gear body 1044 and the third gear body 1046 is provided with a gear shoe 106 at an end far away from the yoke portion 102, and two ends of the gear shoe 106 respectively extend out of a main body portion of the first gear body 1042, the second gear body 1044 or the third gear body 1046. When the winding coil 300 is wound on the first tooth body 1042, the second tooth body 1044, or the third tooth body 1046 where the tooth shoe 106 is disposed, the tooth shoe 106 can prevent the winding coil 300 from falling off, so as to improve the service life of the winding coil 300.
Example 7:
as shown in fig. 4 and fig. 5, the present embodiment provides a stator punching sheet 100, and in addition to the technical features of any one of the above embodiments, the present embodiment further includes the following technical features.
At least a portion of the tooth shoe 106 has an arcuate configuration, and the plurality of tooth shoes 106 collectively enclose at least a portion defining a circle. This embodiment ensures that the tooth shoes 106 mate with the outer profile of the rotor 20. Of course, the shape of the tooth shoe 106 according to the embodiment of the present invention is not limited thereto, and the tooth shoe 106 according to the embodiment of the present invention may be configured to have a straight bar shape or other shapes.
Example 8:
the present embodiment provides a stator punching sheet 100, which includes the following technical features in addition to the technical features of any one of the above embodiments.
The tooth shoe 106 is a soft magnetic tooth shoe, and the soft magnetic tooth shoe is sleeved with at least one of the first tooth body 1042, the second tooth body 1044 and the third tooth body 1046.
The tooth shoe 106 may be integrally formed with the first tooth body 1042, the second tooth body 1044, or the third tooth body 1046, or may be formed as a separate structure, so that the tooth shoe 106 may be sleeved on the first tooth body 1042, the second tooth body 1044, or the third tooth body 1046. The tooth shoes 106 made of soft magnetic materials are convenient to install and splice and are not easy to fall off, and the winding efficiency of the winding coil 300 and the splicing efficiency of the stator core formed by the stator punching sheet 100 are guaranteed.
Example 9:
as shown in fig. 5, the present embodiment provides a stator punching sheet 100, and in addition to the technical features of any one of the above embodiments, the present embodiment further includes the following technical features.
The tooth shoe 106 includes: and the first tooth shoe 1062 is arranged at one end of the first tooth body 1042 far away from the yoke 102, wherein the first tooth shoe 1062 is connected with the first tooth body 1042 in a split manner.
In this embodiment, the first tooth shoe 1062 is disposed at an end of the first tooth body 1042 far from the yoke 102, so as to ensure that the winding coil 300 wound on the first tooth body 1042 does not fall off. The first tooth shoe 1062 is connected to the first tooth body 1042 in a split manner, so that the first tooth shoe 1062 is installed after the winding coil 300 is wound on the first tooth body 1042, which can ensure the winding efficiency of the winding coil 300 and prevent the first tooth shoe 1062 from blocking the winding of the winding coil 300.
Of course, the second tooth shoe 1064 and the third tooth shoe 1066 may be disposed at the end of the second tooth body 1044 and the third tooth body 1046 away from the yoke portion 102. The first tooth body 1042, the second tooth body 1044 and the third tooth body 1046 are provided with the tooth shoes 106 at the ends far away from the yoke 102, so that the winding coil 300 is further prevented from falling off.
Example 10:
as shown in fig. 5, the present embodiment provides a stator punching sheet 100, and in addition to the technical features of any one of the above embodiments, the present embodiment further includes the following technical features.
The first connecting portion 108 and the second connecting portion 112 which can be connected in a matched manner are respectively arranged on the first tooth shoe 1062 and the first tooth body 1042, so that the first tooth body 1042 and the first tooth shoe 1062 can be conveniently spliced, and the manufacturing process of the stator punching sheet 100 is simplified.
Example 11:
as shown in fig. 5, the present embodiment provides a stator punching sheet 100, and in addition to the technical features of any one of the above embodiments, the present embodiment further includes the following technical features.
At least a portion of the first connecting portion 108 is outwardly convex with respect to either of the first tooth body 1042 and the first tooth shoe 1062; at least a portion of the second connecting portion 112 is recessed inwardly with respect to the other of the first tooth body 1042 and the first tooth shoe 1062.
When the first connecting portion 108 and the second connecting portion 112 are respectively connected by being nested or buckled in a concave-convex matching structure, the structural form is simple, especially when the concave-convex matching structure with a falcon structure is adopted, not only is the connecting structure simple, but also the first tooth shoe 1062 and the first tooth body 1042 can be prevented from rotating, so that the firmness of connection between the first tooth shoe 1062 and the first tooth body 1042 is ensured, the first tooth shoe 1062 is not easy to fall off, the function of the first tooth shoe 1062 can be ensured, and the product quality of the stator punching sheet 100 is finally improved.
Example 12:
this embodiment provides a stator core, and it includes like the utility model discloses the stator punching sheet 100 of any embodiment. Wherein, stator punching of at least two is folded each other and is pressed, prescribes a limit to at least a part of stator core jointly.
In other words, the stator core of the present embodiment is formed by stacking a plurality of stator laminations 100 together, and the stator laminations 100 can be connected to each other by welding or bonding.
Example 13:
as shown in fig. 11 to 16, the present embodiment provides a stator 10 including: the stator core and the winding coil 300 according to any of the embodiments of the present invention, the winding coil 300 is wound around the yoke portion 102 and/or the tooth portion 104.
For example, as shown in fig. 11, the stator 10 includes three rectangular stator laminations 100 arranged at equal intervals, and the winding coils 300 are wound on the teeth 104. As shown in fig. 12, the stator 10 includes three equidistantly arranged sectored stator cores, and the winding coil 300 is wound on the yoke portion 102. As shown in fig. 13, the stator 10 includes three rectangular stator cores arranged at equal intervals, and the stator lamination 100 of any one of the stator cores is provided with a tooth shoe 10, and the winding coil 300 is wound on the tooth portion 104. As shown in fig. 14, the stator 10 includes four rectangular stator cores arranged at equal intervals, and the stator lamination 100 of any one of the stator cores is provided with a tooth shoe 106, and the winding coil 300 is wound on the tooth portion 104. As shown in fig. 15, the stator 10 includes three equally spaced stator cores, and the tooth shoes 106 on the stator lamination 100 of any stator core are spliced with the teeth 104, and the winding coil 300 is wound on the teeth 104. As shown in fig. 16, the stator 10 includes three stator cores of sectors arranged at equal intervals, and the winding coil 300 is wound on two adjacent stator cores in common.
Since the stator lamination is of a rectangular structure or a fan-shaped structure, the present embodiment is beneficial to winding the winding coil 300 on the tooth 104, so as to improve the winding efficiency of the winding coil 300. The winding coil 300 may be wound around the yoke 102, and at least two or more yokes 102 may be wound around the outer circumference of the rotor 20.
Example 14:
as shown in fig. 13 to 16, the present embodiment provides a stator 10, and includes the following technical features in addition to the technical features of embodiment 13 described above.
The winding coil 300 is wound on the first body 1042 of the tooth 104.
The present embodiment winds the winding coil 300 around the first tooth body 1042 located at the middle part, and the first tooth body 1042 is located in a semi-closed rectangular structure or a fan-shaped structure. In addition, the winding coil 300 may also be wound around the second tooth body 1044 and the third tooth body 1046 which are adjacent to each other, so that the second tooth body 1044 and the third tooth body 1046 are located inside the winding coil 300, and at this time, the second tooth shoe 1064 plays a role in preventing the winding coil 300 from falling off.
Example 15:
as shown in fig. 12, the present embodiment provides a stator 10, and includes the following technical features in addition to the technical features of embodiment 13 described above.
The winding coil 300 is wound around a portion of the yoke 102 between the first tooth body 1042 and the second tooth body 1044; and/or winding coil 300 is wound around the portion of yoke 102 between first tooth body 1042 and third tooth body 1046. This embodiment facilitates the winding of the winding coil 300 and also facilitates the improvement of the stability of the stator core.
Example 16:
as shown in fig. 16, the present embodiment provides a stator 10, and includes the following technical features in addition to the technical features of embodiment 13 described above.
A plurality of stator core segments arranged in a circumferential direction; wherein the winding coil 300 is wound between two adjacent teeth 104 of two adjacent stator core segments.
This embodiment is through winding coil 300 with two adjacent stator core piecemeal intertwine, on the basis of guaranteeing the stator core performance, further guarantees its stability.
Example 17:
as shown in fig. 6 to 10, the present embodiment provides a stator 10, and includes the following technical features in addition to the technical features of the above-described embodiment.
The stator 10 further includes: and the insulating frame 200 is arranged between the stator core and the winding coil 300, and the insulating frame 200 is attached to the stator core.
Specifically, as shown in fig. 6 and 8, the stator core has a rectangular structure, and the insulating frame 200 is disposed to be attached to an inner edge of the stator core. As shown in fig. 7, the stator core has a fan-shaped structure, and the insulating frame 200 is disposed to be attached to inner and outer edges of the stator core. As shown in fig. 9, the stator core has a rectangular structure, the insulating frame 200 is attached to the inner edge of the stator core, and the stator core is provided with the tooth shoes 106. As shown in fig. 10, the stator core has a fan-shaped structure, the insulating frame 200 is attached to the inner edge of the stator core, and the stator core is provided with the tooth shoes 106.
Before the winding coil 300 is wound around the stator core, the insulating frame 200 is fitted over the stator core segment 110, extends to the inside of the yoke portion 102 and the tooth portion 104, and covers the same, thereby insulating the stator core. Then, the winding coil 300 is wound on the insulating frame 200, so that the safety and stability of the stator 10 can be improved.
Example 18:
as shown in fig. 11 to 16, the present embodiment provides a motor including: stator 10 and rotor 20, stator 10 includes the stator core and winding coil 300 according to any embodiment of the present invention, winding coil 300 is wound on yoke portion 102 and/or tooth portion 104, and rotor 20 and stator 10 are mutually cooperated.
Specifically, the motor includes two-pole or four-pole permanent magnet rings which are or are not spliced to form a ring, the rotor 20 is coaxially disposed inside or outside the stator 10, and the winding coil 300 is wound around the stator core segment 110.
To sum up, the utility model discloses beneficial effect does: in the present embodiment, the stator lamination is set to 100 as an E-shaped structure, so that the winding coil 300 is conveniently wound on the stator core formed by the stator lamination 100. So as to improve the production efficiency of the motor and improve the winding effect of the winding coil.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (17)
1. A stator punching sheet is characterized by comprising:
a yoke portion;
one end of the tooth part is connected with the yoke part, and the other end of the tooth part extends out in the direction far away from the yoke part;
at least one part of the stator punching sheet is of a rectangular structure or a fan-shaped structure, the tooth part comprises a first tooth body, a second tooth body and a third tooth body, and the first tooth body is arranged between the second tooth body and the third tooth body.
2. The stator lamination as recited in claim 1,
the yoke part and the tooth part are respectively provided with a straight strip structure, and the first tooth body, the second tooth body and the third tooth body are arranged in parallel, so that at least one part of the stator punching sheet is provided with the rectangular structure.
3. The stator lamination as recited in claim 1,
yoke portion has the arc structure, the tooth portion has straight bar structure, the second tooth body with the third tooth body is kept away from the one end of yoke portion to the one end that first tooth body kept away from yoke portion extends, so that at least a part of stator punching has fan-shaped structure.
4. The stator lamination as recited in any one of claims 1 to 3, further comprising:
the welding part is provided with an inner concave structure or an outer convex structure;
wherein, have first apex angle between the second pick body and the yoke portion, third pick body and have the second apex angle between the yoke portion, the welding part is located on the position of first apex angle and/or the second apex angle.
5. The stator lamination as recited in any one of claims 1 to 3, further comprising:
and the tooth shoe is arranged at one end, far away from the yoke, of at least one of the first tooth body, the second tooth body and the third tooth body.
6. The stator lamination as recited in claim 5,
at least a portion of the tooth shoes have an arcuate configuration, and a plurality of tooth shoes collectively enclose at least a portion defining a circle.
7. The stator lamination as recited in claim 5,
the tooth boots are made of soft magnetic materials, and the soft magnetic materials are sleeved with at least one of the first tooth body, the second tooth body and the third tooth body.
8. The stator lamination as recited in claim 5, wherein the tooth shoe comprises:
the first tooth shoe is arranged at one end, far away from the yoke part, of the first tooth body;
wherein, split type connection between first tooth boots and the first tooth body.
9. The stator lamination of claim 8, further comprising:
a first connecting portion provided on either one of the first tooth body and the first tooth shoe;
a second connecting portion provided on the other of the first tooth body and the first tooth shoe with respect to the other;
wherein the first connecting portion and the second connecting portion are fitted to each other so that the first blade and the first shoe are connected to each other.
10. The stator lamination as recited in claim 9,
at least a portion of the first connecting portion is outwardly convex with respect to either of the first tooth body and the first tooth shoe;
at least a portion of the second connecting portion is recessed inwardly with respect to the other of the first tooth body and the first tooth shoe with respect to either one.
11. A stator core, comprising:
the stator lamination as claimed in any one of claims 1 to 10;
the stator punching sheets are overlapped and pressed with each other, and at least one part of the stator core is defined together.
12. A stator, comprising:
a stator core as recited in claim 11;
a winding coil wound on the yoke and/or the tooth.
13. The stator according to claim 12,
the winding coil is wound on the first tooth body of the tooth portion.
14. The stator according to claim 12,
the winding coil is wound around a portion of the yoke between the first tooth body and the second tooth body; and/or
The winding coil is wound around a portion of the yoke portion between the first tooth body and the third tooth body.
15. The stator of claim 12, comprising:
a plurality of stator core segments arranged in a circumferential direction; wherein the winding coil is wound between two adjacent teeth portions of two adjacent stator core segments.
16. The stator of claim 12, further comprising:
and the insulating frame is arranged between the stator core and the winding coil and is mutually attached to the stator core.
17. An electric machine, comprising:
the stator of any one of claims 12 to 16;
and the rotor is matched with the stator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020201342.0U CN211183554U (en) | 2020-02-24 | 2020-02-24 | Stator punching sheet, stator core, stator and motor |
| PCT/CN2020/103261 WO2021169156A1 (en) | 2020-02-24 | 2020-07-21 | Stator sheet, stator core, stator, and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020201342.0U CN211183554U (en) | 2020-02-24 | 2020-02-24 | Stator punching sheet, stator core, stator and motor |
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| Publication Number | Publication Date |
|---|---|
| CN211183554U true CN211183554U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020201342.0U Active CN211183554U (en) | 2020-02-24 | 2020-02-24 | Stator punching sheet, stator core, stator and motor |
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| Country | Link |
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| CN (1) | CN211183554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022027961A1 (en) * | 2020-08-05 | 2022-02-10 | 中山大洋电机股份有限公司 | Novel motor structure |
-
2020
- 2020-02-24 CN CN202020201342.0U patent/CN211183554U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022027961A1 (en) * | 2020-08-05 | 2022-02-10 | 中山大洋电机股份有限公司 | Novel motor structure |
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