Insulating framework for winding stator, winding stator and motor
By setting the binding positions of the fixing groove or boss structure on the insulating frame, the binding belt is achieved at the end of one coil, which solves the problems of large amount of use and high operation difficulty of the binding belt, reducing costs and improving production efficiency.
Patent Information
- Application Number
- CN202422414987.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-30
AI Technical Summary
During the existing centralized winding stator binding process, the binding belt is used in large quantities, high operation difficulty, high cost and low production efficiency, and the binding height is high, resulting in an increase in material and process costs.
An insulating frame is designed, including a first fixing member and a second fixing member, both connected by a winding part, and a binding position of a fixing groove or a boss structure is provided on the fixing member. The binding strap can be tied at one end of the coil, reducing the amount of use and difficulty of operating the tie strap.
It reduces the use of tie-up straps, simplifies the operation process, reduces material and process costs, improves production efficiency, and makes components such as wiring heads evenly lay, reducing the height of the winding stator ends.
Smart Images
Figure CN223156812U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of motors, and particularly relates to an insulating skeleton for a winding stator, a winding stator and a motor. Background Art
[0002] The concentrated winding has been widely used in permanent magnet synchronous motors. The use of concentrated windings can achieve the automation of winding manufacturing, which is the future trend of motor manufacturing. As one of the core components of the motor, the winding stator can reduce the labor intensity and relieve the work burden through automated manufacturing, and is also suitable for mass production.
[0003] The obvious characteristic of the concentrated winding stator is that a coil is placed on each stator single tooth. Manufacturing process: First, install the skeleton for insulating and fixing the coil on the stator single tooth, then wind the coil on the skeleton, and finally connect the wires, bind and fix the winding ends. Therefore, optimizing the binding structure, improving the binding process, and saving the materials used for binding are one of the key technologies in the design and development of the concentrated winding stator. If improvements can be made in these three aspects, the cost of the winding stator can be effectively reduced and the production efficiency can be improved. In the prior art, as Figure 1 shown, usually, around the periphery of each coil 20, the binding tape 200 is wound along the winding direction of the coil 20. After at least one turn, the components such as the wiring head 40, the lead wire 60, and the insulating sleeve 50 are bound and fixed at the end position of the coil 20. The binding tape 200 needs to wind around the coil 20 at least one week along the winding direction of the coil 20 (the winding direction is as Figure 1 shown by a in), and then a binding can be performed. For each stator single tooth 30, the cycle process of winding and binding must be performed at least the same number of times. This method has the following disadvantages:
[0004] A. The main characteristics of the concentrated winding stator design: The coil ends are relatively short, the coil is directly wound on the insulating skeleton, and there is no gap between the insulating skeleton and the stator single tooth. Therefore, the binding of the winding end of this structure cannot be completed at one end of the coil. The binding tape must wind around the coil at least one week along the winding direction of the coil. By using the fixation at the other end of the coil, through the tension of the binding tape, the components such as the wiring head 40, the lead wire 60, and the insulating sleeve 50 are pressed and fixed at the end position of the coil (such as Figure 4 shown at e), to complete the binding process of the winding end. Since the binding tape must cross back and forth across the length of the stator core (such as Figure 4 shown at f) to reach the other end, the length of the binding tape used is relatively long. The longer the core length is designed, the higher the material cost of the binding tape.
[0005] B. In order to make full use of the core material and ensure the electrical performance of the motor, in the design: as Figure 2 shown, the slot width is generally small, and the gap between the coils and the gap between the skeletons are also small. Due to the slot width (Figure 2 at h) is small, and the gap between the skeletons ( Figure 2 at g) is small. When binding the end of the winding, the binding tape cannot be directly inserted into the stator slot from the slot opening, Figure 2 inside at c), and can only axially pass through the stator slot back and forth. The binding process requires a large amount of man-hours; due to the gap between the coils ( Figure 2 at b) is small, it is difficult for the binding tape to pass through the stator slot. The longer the iron core length or the smaller the gap between the coils, the greater the difficulty for the binding tape to pass through the stator slot.
[0006] C. Since each stator single tooth of the centralized winding stator has a coil and the number of coils is large, the corresponding components such as the connection head 40, the lead wire 60, and the insulating sleeve 50 are relatively many. Moreover, in the existing structure and binding method, the components such as the connection head 40, the lead wire 60, and the insulating sleeve 50 are relatively concentrated in force after binding, and they are prone to stacking phenomena (such as Figure 3 ), resulting in a relatively high binding height ( Figure 4 at d) at the end of the winding. The higher the binding height, the longer the electrical space required, and thus the longer the mechanical components and the higher the material cost. Summary of the Invention
[0007] The purpose of the present invention is to provide a new insulating skeleton, which is convenient for the binding operation of the binding tape.
[0008] The realization of the above purpose includes the following technical solutions.
[0009] The embodiment of the present invention provides an insulating skeleton for a winding stator, and the insulating skeleton includes a first fixing member, a second fixing member, and a winding portion;
[0010] The first fixing member and the second fixing member are arranged vertically relative to each other and are connected by the winding portion;
[0011] One end of the first fixing member is provided with a first binding position, and the first binding position is a fixing groove or a boss structure arranged on the first fixing member;
[0012] The second fixing member is provided with a second binding position at the end corresponding to the same end of the first binding position, and the second binding position is a fixing groove or a boss structure arranged on the second fixing member.
[0013] In some embodiments, the first binding position is a fixing groove opened on opposite sides of the first fixing member, and the fixing groove is formed by an opening groove structure recessed inward from the side of the first fixing member, and the second binding position is a boss structure arranged on the back of the second fixing member.
[0014] In some of these embodiments, the first binding position is a fixing groove formed on opposite sides of the first fixing member, and the fixing groove is formed by inward depression of the side of the first fixing member to form an open groove structure; the second binding position is a fixing groove formed on opposite sides of the second fixing member, and the fixing groove is formed by inward depression of the side of the second fixing member to form an open groove structure.
[0015] In some of these embodiments, the first binding position is a boss structure provided on the back of the first fixing member; the second binding position is a boss structure provided on the back of the second fixing member.
[0016] In some of these embodiments, the boss structure includes a boss body and at least two through slots; the boss body is provided on the back of the first fixing member or the second fixing member, and the through slots are evenly distributed on opposite sides of the boss body, and the through slots are formed by downward depression of the top of the first fixing member or the second fixing member.
[0017] In some of these embodiments, the cross-sectional shape of the boss body is U-shaped, runway-shaped, rectangular or circular; and / or,
[0018] The groove type of the through slot is U-shaped, rectangular, arc-shaped or pear-shaped.
[0019] In some of these embodiments, the boss body is provided at the central axis of the first fixing member or the second fixing member, and the through slots are symmetrically arranged with respect to the central axis of the first fixing member or the second fixing member.
[0020] In some of these embodiments, the groove type of the fixing groove is U-shaped, rectangular, arc-shaped or pear-shaped.
[0021] In a second aspect of the present utility model, a winding stator is provided, and the winding stator includes the insulating skeleton, the coil and a plurality of stator teeth as described above;
[0022] Each of the stator teeth is sequentially arranged to form an annular structure, and the insulating skeleton is mounted on each of the stator teeth, and the coil is wound around the winding portion of the insulating skeleton.
[0023] In a third aspect of the present utility model, a motor is provided, and the motor includes the winding stator as described above.
[0024] The technical solution provided by the present utility model has the following advantages and effects:
[0025] The insulating skeleton for the winding stator is provided with a first binding position in the shape of a fixing groove or a boss structure at one end of the first fixing member, and a second binding position in the shape of a fixing groove or a boss structure at the end of the second fixing member at the same end as the first binding position. Through the cooperation of the first binding position and the second binding position with this specific structure, the binding belt can respectively bypass the first binding position and the second binding position to complete the binding process, so that the binding belt can be conveniently and quickly bound to the insulating skeleton to firmly bind components such as the connection heads, leads, and insulating sleeves of the wire group. Among them, since the binding belt can complete the binding only at the same end of the fixing member, the usage amount of the binding belt can be greatly reduced, achieving the purpose of reducing the material cost, and enabling components such as connection heads, leads, and insulating sleeves to be laid flat at the coil end to the greatest extent, thereby effectively reducing the binding height at the end of the winding stator, being beneficial to the design of mechanical components and reducing the material cost of mechanical components; and because the binding belt is only directly wound around the edge of the corresponding fixing groove and / or boss structure, it is simple and easy to operate. The binding belt does not need to pass back and forth through the narrow coil gap repeatedly, effectively reducing the operation difficulty and greatly shortening the operation time, thereby effectively reducing the process cost and improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 is the overall structural schematic diagram of the winding stator in the background art of the present utility model;
[0027] Figure 2 is Figure 1 the top view structural schematic diagram of the winding stator;
[0028] Figure 3 is Figure 1 the partial structural schematic diagram of the winding stator;
[0029] Figure 4 is Figure 1 the side view structural schematic diagram of the winding stator;
[0030] Figure 5 is the structural schematic diagram of the insulating skeleton according to an embodiment of the present utility model;
[0031] Figure 6 is Figure 5 the binding structural schematic diagram of the binding belt of the insulating skeleton;
[0032] Figure 7 is the longitudinal sectional schematic diagram after binding the binding belt of the partial structure of the winding stator with the insulating skeleton according to an embodiment of the present utility model; Figure 5
[0033] Figure 8 is Figure 5 the overall structural schematic diagram of the winding stator with the insulating skeleton after binding the binding belt according to an embodiment of the present utility model;
[0034] Figure 9 is a schematic structural diagram of an insulating skeleton according to another embodiment of the present utility model;
[0035] Figure 10 is a schematic structural diagram of an insulating skeleton according to yet another embodiment of the present utility model;
[0036] Figure 11 A- Figure 11 D is a shape structure diagram of a fixing groove according to an embodiment of the present utility model;
[0037] Figure 12 A- Figure 12 D is a shape structure diagram of a boss structure according to an embodiment of the present utility model.
[0038] Explanation of reference numerals:
[0039] 100, winding stator;
[0040] 10, insulating skeleton; 20, coil; 30, stator single tooth; 40, connection head; 50, insulating sleeve; 60, lead wire;
[0041] 1, first fixing member; 2, second fixing member; 3, winding part; 4, fixing groove; 5, boss structure; 6, through hole; 51, boss body; 52, threading groove;
[0042] 200, binding tape. Detailed implementation manners
[0043] For the convenience of understanding the present utility model, the specific embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings of the specification.
[0044] Unless otherwise specified or defined, the "first, second..." used herein is only for distinguishing names and does not represent a specific quantity or order.
[0045] Unless otherwise specified or defined, the term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0046] It should be noted that the "fixed to" and "connected to" herein can be directly fixed or connected to an element, or indirectly fixed or connected to an element.
[0047] Such as Figures 5 to 12As shown, an embodiment of the present utility model provides an insulating skeleton 10 for a winding stator 100. The insulating skeleton 10 includes a first fixing member 1, a second fixing member 2, and a winding portion 3. The first fixing member 1 and the second fixing member 2 are arranged vertically opposite to each other and are connected by the winding portion 3. It should be noted that the first fixing member 1, the second fixing member 2, and the winding portion 3 of the insulating skeleton 10 are all made of insulating materials, which can be an integrally formed structure or a split assembly structure, and no special limitation is made here. In addition, both the first fixing member 1 and the second fixing member 2 can be plate-shaped bodies. When the insulating skeleton 10 is applied to the winding stator 100, a coil 20 is wound around the winding portion 3, and a winding area of the coil 20 is formed between the first fixing member 1 and the second fixing member 2 to prevent the coil 20 from winding out of the insulating skeleton 10. The winding portion 3 is a tubular structure, and through holes 6 communicating with the tubular structure of the winding portion 3 are formed on the first fixing member 1 and the second fixing member 2. The stator single tooth 30 is inserted into the tubular structure of the winding portion 3 and passes through the first fixing member 1 and the second fixing member 2 through the through holes 6.
[0048] A first binding position is arranged at one end of the first fixing member 1. The first binding position is a fixing groove 4 or a boss structure 5 arranged on the first fixing member 1. A second binding position is arranged at the end of the second fixing member 2 corresponding to the same end of the first binding position. The second binding position is a fixing groove 4 or a boss structure 5 arranged on the second fixing member 2.
[0049] Among them, the end of the first fixing member 1 provided with the first binding position can be its top end or bottom end, which is specifically set according to which end of the coil 20 the terminal 40, lead wire 60, insulating sleeve 50 and other components to be bound are fixed to. The second binding position of the second fixing member 2 is specifically set to adapt to the position of the first binding position. Preferably, the first binding position is provided at the top end of the first fixing member 1, and the second binding position is provided at the top end of the second fixing member 2. It should be noted that the first binding position on the first fixing member 1 can be set as a fixing groove 4 structure or a boss structure 5 according to design requirements. The fixing groove 4 can be an open groove structure formed by the side of the first fixing member 1 recessing inward, or other suitable groove structures, which are not particularly limited herein; the second binding position on the second fixing member 2 can also be set as a fixing groove 4 structure or a boss structure 5 according to design requirements, which are not particularly limited herein, and the fixing groove 4 can be an open groove structure formed by the side of the second fixing member 2 recessing inward, or other suitable groove structures, which are not particularly limited herein. When the winding part 3 winds the coil 20 and it is necessary to fix components such as the terminal 40, lead wire 60, and insulating sleeve 50 of the coil 20 at the end position of the coil 20, the binding band 200 respectively bypasses the first binding position of the first fixing member 1 and the second binding position of the second fixing member 2, and then the binding band 200 is tightened and bound. By using the tension of the binding band 200, components such as the terminal 40, lead wire 60, and insulating sleeve 50 are laid flat and pressed against the end of the coil 20 to complete the binding process. Compared with the existing method of binding the binding band 200 around the coil 20 in the winding direction for one week, in this embodiment, since the binding band 200 does not need to cross the length of the stator core during binding and can complete the binding only at one end of the coil 20, the usage amount of the binding band 200 can be greatly reduced, achieving the purpose of reducing material costs. Moreover, since the binding band 200 is directly wound around the edge of the corresponding fixing groove 4 and / or boss structure 5, it is simple and easy to operate. The binding band 200 does not need to pass back and forth through the narrow gap of the coil 20, effectively reducing the operation difficulty and greatly shortening the operation time. Thereby effectively reducing the process cost and improving the production efficiency. And since the binding band 200 is tightened in an obliquely pulled form at the ends of the two fixing members, under the action of the tension of the binding band 200, the force on the end of the coil 20 is uniform, and components such as the terminal 40, lead wire 60, and insulating sleeve 50 can be laid flat at the end of the coil 20 to the maximum extent, thereby effectively reducing the binding height at the end of the winding stator 100, which is beneficial to the design of mechanical components and reducing the material costs of mechanical components.
[0050] Specifically, the following several deformation structures may exist for the insulating skeleton 10:
[0051] In some embodiments, such as Figures 5 to 7As shown, the first binding position is the fixing grooves 4 formed on opposite sides of the first fixing member 1. The fixing grooves 4 are formed by inward depressions of the side edges of the first fixing member 1 to form an open groove structure. The second binding position is the boss structure 5 provided on the back of the second fixing member 2. Among them, since the first fixing member 1 and the second fixing member 2 are opposite and vertically arranged, the back of the first fixing member 1 refers to the side of the first fixing member 1 away from the second fixing member 2. Similarly, the back of the second fixing member 2 refers to the side of the second fixing member 2 away from the first fixing member 1. The position of the fixing groove 4 in the height direction is determined according to the height of the end of the coil 20. The size and depth of the fixing groove 4 are adapted to the size of the binding band 200 to ensure that the binding band 200 can be smoothly wound into the fixing groove 4. Similarly, the position of the boss structure 5 in the height direction is determined according to the height of the end of the coil 20. The size of the boss structure 5 is adapted to the size of the binding band 200 to ensure that the binding band 200 can be smoothly wound around the lower edge of the boss structure 5. The binding method is as follows: The binding band 200 respectively bypasses the fixing grooves 4 on both sides of the end of the first fixing member 1 and the lower edge of the boss structure 5 on the back of the second fixing member 2, and then the binding band 200 is tightened and fixed. By using the tension of the binding band 200, components such as the connection head 40, the lead wire 60, and the insulating sleeve 50 are laid flat and pressed on the end of the coil 20 to complete the binding process of the winding end. It can be understood that when the binding process is carried out, the binding band 200 is respectively wound into the fixing grooves 4 on both sides of the first fixing member 1 and the lower edge of the boss. After the binding band 200 is subjected to tension, the pressure will only act on the inner wall of the fixing groove 4 and the lower edge of the boss structure 5. The binding band 200 will not move on the side of the insulating skeleton 10, playing a positioning role for the binding band 200.
[0052] In some embodiments, as Figure 9 shown, the first binding position is the fixing grooves 4 formed on opposite sides of the first fixing member 1. The fixing grooves 4 are formed by inward depressions of the side edges of the first fixing member 1 to form an open groove structure; the second binding position is the fixing grooves 4 formed on opposite sides of the second fixing member 2. The fixing grooves 4 are formed by inward depressions of the side edges of the second fixing member 2 to form an open groove structure. Similarly, the binding method of the binding band 200 is as follows: The binding band 200 respectively bypasses the fixing grooves 4 on both sides of the end of the first fixing member 1 and the fixing grooves 4 on both sides of the end of the second fixing member 2, and then the binding band 200 is tightened and fixed.
[0053] In some embodiments, as Figure 10 shown, the first binding position is the boss structure 5 provided on the back of the first fixing member 1; the second binding position is the boss structure 5 provided on the back of the second fixing member 2. Similarly, the binding method of the binding band 200 is as follows: The binding band 200 respectively bypasses the lower edge of the boss structure 5 on the back of the first fixing member 1 and the lower edge of the boss structure 5 on the back of the second fixing member 2, and then the binding band 200 is tightened and fixed.
[0054] In some embodiments, as Figure 5 shown, the boss structure 5 includes a boss body 51 and at least two through slots 52; the boss body 51 is disposed on the back of the first fixing member 1 or the second fixing member 2, and the through slots 52 are uniformly distributed on opposite sides of the boss body 51, and the through slots 52 are formed by recessing downward from the top of the first fixing member 1 or the second fixing member 2. Wherein, the binding band 200 is wound around the lower edge of the boss body 51, passes through the fixing member from the through slot 52, and is tightly wound around the binding position of the other fixing member, so as to prevent the binding band 200 from moving relative to the fixing member, and is convenient for the binding band 200 to be wound into the winding portion 3 to bind components such as the wire end 40, the lead wire 60, and the insulating sleeve 50.
[0055] In some embodiments, as Figure 5 shown, the boss body 51 is disposed at the central axis of the first fixing member 1 or the second fixing member 2, and the through slots 52 are symmetrically disposed with respect to the central axis of the first fixing member 1 or the second fixing member 2. Specifically, in this embodiment, there are two through slots 52, and the two through slots 52 are symmetrically disposed with respect to the central axis of the first fixing member 1 or the second fixing member 2. Wherein, the boss body 51 is disposed at the center position of the back corresponding to the top end of the fixing member, which can make the binding band 200 evenly bind the end of the coil 20 after binding, and avoid the influence of incomplete local binding on the binding effect.
[0056] In some embodiments, as Figure 12 A- Figure 12 D shows, the cross-sectional shape of the boss body 51 is U-shaped, runway-shaped, rectangular or circular, wherein the size, height and position of the boss body 51 can be specifically designed according to the needs of the binding process, and no special limitation is made here.
[0057] In some embodiments, as Figure 12 A- Figure 12 D shows, the through slot 52 is U-shaped, rectangular, arc-shaped or pear-shaped, and the number and depth of the through slot 52 can be specifically designed according to the needs of the binding process, and no special limitation is made here.
[0058] In some embodiments, as Figure 11 A- Figure 11 D shows, the fixing slot 4 is U-shaped, rectangular, arc-shaped or pear-shaped, wherein the number and depth of the fixing slot 4 can be specifically designed according to the needs of the binding process, and no special limitation is made here.
[0059] The embodiment of the present utility model further provides a winding stator 100, as Figure 8As shown, the winding stator 100 includes the insulation skeleton 10, the coil 20 and a plurality of stator single teeth 30 as described above; each of the stator single teeth 30 is sequentially arranged to form an annular structure, the insulation skeleton 10 is mounted on each of the stator single teeth 30, and the coil 20 is wound around the winding portion 3 of the insulation skeleton 10.
[0060] Among them, when the coil 20 is wound around the winding portion 3 of the winding stator 100 and components such as the terminal 40, the lead wire 60, and the insulating sleeve 50 of the coil 20 need to be fixed at the end position of the coil 20, the binding tape 200 respectively bypasses the first binding position of the first fixing member 1 and the second binding position of the second fixing member 2, and then the binding tape 200 is tightened and bound. By using the tension of the binding tape 200, components such as the terminal 40, the lead wire 60, and the insulating sleeve 50 are laid and pressed on the end of the coil 20, and the binding process can be completed. The binding method can either use the binding tape 200 to bind each end of the coil 20 separately, or after using the binding tape 200 to bind each end of the coil 20 separately, they are connected in series or the ends of multiple coils 20 are connected in series while being bound to form a binding whole. This can greatly reduce the usage amount of the binding tape 200, achieve the purpose of reducing the material cost, and since the binding tape 200 is only directly wound into the corresponding fixing groove 4 and / or the edge of the boss structure 5, it is simple and easy to operate, effectively reducing the operation difficulty, greatly shortening the operation time, and the force on the end of the coil 20 is uniform. Components such as the terminal 40, the lead wire 60, and the insulating sleeve 50 can be laid flat on the end of the coil 20 to the maximum extent, thereby effectively reducing the binding height at the end of the winding stator 100, which is beneficial to the design of mechanical components and reducing the material cost of mechanical components.
[0061] The embodiment of the present invention also provides a motor, the motor includes the winding stator 100 as described above, and the motor can be an outer rotor motor or an inner rotor motor, and no special limitation is made here.
[0062] The above embodiments are not an exhaustive list based on the present invention. In addition, there can be multiple other embodiments not listed. Any substitution and improvement made without violating the concept of the present invention fall within the protection scope of the present invention.
Claims
1. Insulating skeleton for a wound stator, characterized in that, The insulating skeleton includes a first fixing member, a second fixing member, and a winding portion; The first fixing member and the second fixing member are arranged vertically opposite to each other and are connected by the winding portion; One end of the first fixing member is provided with a first binding position, and the first binding position is a fixing groove or a boss structure provided on the first fixing member; The second fixing member is provided with a second binding position at an end corresponding to the same end of the first binding position, and the second binding position is a fixing groove or a boss structure provided on the second fixing member.
2. The insulating skeleton according to claim 1, wherein The first binding position is a fixing groove opened on opposite sides of the first fixing member, and the fixing groove is formed by inward depression of the side of the first fixing member to form an open groove structure, and the second binding position is a boss structure provided on the back of the second fixing member.
3. The insulating skeleton according to claim 1, characterized in that, The first binding position is a fixing groove opened on opposite sides of the first fixing member, and the fixing groove is formed by inward depression of the side of the first fixing member to form an open groove structure, and the second binding position is a fixing groove opened on opposite sides of the second fixing member, and the fixing groove is formed by inward depression of the side of the second fixing member to form an open groove structure.
4. The insulating skeleton according to claim 1, characterized in that, The first binding position is a boss structure provided on the back of the first fixing member; the second binding position is a boss structure provided on the back of the second fixing member.
5. The insulating skeleton according to any one of claims 1-4, characterized in that, The boss structure includes a boss body and at least two through slots; the boss body is provided on the back of the first fixing member or the second fixing member, and the through slots are uniformly arranged on opposite sides of the boss body, and the through slots are formed by downward depression of the top of the first fixing member or the second fixing member.
6. The insulating skeleton according to claim 5, wherein, The cross-sectional shape of the boss body is U-shaped, racetrack-shaped, rectangular, or circular; and / or, The groove type of the through slot is U-shaped, rectangular, arc-shaped, or pear-shaped.
7. The insulating skeleton according to claim 5, characterized in that, The boss body is provided at the central axis of the first fixing member or the second fixing member, and the through slots are symmetrically arranged with respect to the central axis of the first fixing member or the second fixing member.
8. The insulating skeleton according to any one of claims 1-4, characterized in that, The groove type of the fixing groove is U-shaped, rectangular, arc-shaped, or pear-shaped.
9. Winding stator, characterized in that, The winding stator includes the insulating skeleton according to any one of claims 1-8, a coil, and a plurality of stator teeth; Each of the stator teeth is sequentially arranged to form an annular structure, and the insulating skeleton is mounted on each of the stator teeth, and the coil is wound on the winding portion of the insulating skeleton.
10. The electric machine is characterized in that, The motor includes the winding stator according to claim 9.