CN206992810U - Wound stator structure and motor - Google Patents

Abstract

A kind of wound stator structure and motor are the utility model is related to, wound stator structure includes stator yoke and stator teeth.Stator yoke is provided with several first slots, and stator yoke is divided into several yoke partial blocks along its circumference.Several yoke partial blocks, which are sequentially connected, surrounds stator yoke.Stator teeth is several, and stator teeth and the first slot relative set, stator teeth include the first intercalation part, and the first intercalation part is inserted into the first slot.The problematic stator teeth of quality, due to not connecting stator yoke portion or other stator teeths, stator yoke and other stator teeths are not interfered with so, similarly, problematic yoke partial block does not interfere with other stator teeths and other yoke partial blocks due to being fabricated separately yet.So visible, above-mentioned wound stator structure, it is avoided that stator yoke by the high phenomenon of the percent defective occurred during overall be punched, so as to improve availability ratio of the armor plate, reduces stator core material cost.

Description

Winding stator structure and motor

technical field

The utility model relates to the technical field of motors, in particular to a winding stator structure and a motor.

Background technique

The winding stator structure is mainly composed of coils and stator cores. In order to obtain better motor performance, the slot width design of the stator core is usually much smaller than the slot width. However, this imposes high requirements on the machining accuracy of the stator core, increases the reject rate, and increases the production cost.

Utility model content

Based on this, it is necessary to overcome the defects of the prior art, and provide a winding stator structure and a motor, which can reduce the scrap rate and production cost.

The technical solution is as follows: a winding stator structure, including: a stator yoke, the stator yoke is provided with several first slots, the stator yoke is divided into several yoke parts along its circumference, and several The yoke parts are connected in turn to form the stator yoke; and the stator teeth, the number of the stator teeth is several, the stator teeth are set corresponding to the first slots, and the stator teeth include the first A plug part, the first plug part is plugged into the first slot.

A winding stator structure, comprising: a stator yoke part, the stator yoke part is provided with several second plug parts, and the stator yoke part is divided into several yoke part blocks along its circumferential direction, and the several yoke part blocks are successively connected to form the stator yoke; and stator teeth, the number of stator teeth is several, the stator teeth and the second plug are set correspondingly, the stator teeth include a second slot, the The second plug part is inserted into the second slot.

A motor, comprising the winding stator structure, and a rotor cooperating with the winding stator structure.

The above-mentioned winding stator structure and motor can be manufactured separately from the stator yoke and the stator teeth. Other stator teeth, so that the stator yoke and other stator teeth will not be affected, and the scrap rate can be reduced. Likewise, since the stator yoke is formed by connecting multiple yoke segments, the yoke segments can be mass-produced, and defective yoke segments can be scrapped. The problematic yoke section does not affect other stator teeth and other yoke sections since it is not connected to the stator teeth and other yoke sections. Secondly, the plate can be punched separately to obtain the yoke block and the stator teeth, and the corner waste after punching in blocks is relatively small. It can be seen that the above-mentioned winding stator structure can avoid the phenomenon of high scrap rate of the stator yoke due to the overall punching, thereby improving the utilization rate of the plate and reducing the cost of the stator core material.

In one of the embodiments, the stator teeth further include a straight section and an anti-off end, the first plug part is inserted into the first slot, and one end of the straight section is connected to the first plug part. The other end of the straight extension section is connected to the anti-off end, the straight extension section is covered with a coil unit, and the anti-off end interferes with the coil unit. In this way, since the stator yoke and the stator teeth are detachably connected, the structure is designed as a separate body, so that the coil can be wound on the skeleton first, then the skeleton can be inserted into the stator teeth, and finally the stator teeth can be put into the into the stator yoke. There is no need to gradually insert a small number of turns into the slot from the notch. It can be seen that the above-mentioned winding stator structure can effectively shorten the man-hours for embedding wires and save the process cost. Moreover, the first plug part is axially loaded into the first slot, the installation operation is relatively simple, and the assembly efficiency is high.

In addition, because the coil is directly wound on the skeleton, the coil is close to the end of the iron core, and the end of the coil is very low, which can effectively save enamelled round copper wire, and make the axial electrical space of the winding stator structure smaller, which can effectively reduce the motor Axial dimension. Secondly, because the stator teeth equipped with coil units are inserted into the stator yoke, the notch size of the winding stator structure can be reduced, so that the distortion of the air gap magnetic field is small, and the air gap of the motor is relatively uniform. The positioning torque at the characteristic frequency is small, which can effectively reduce the torque ripple of the motor, and use shorter iron cores, permanent magnets and fewer enamelled round copper coils to obtain higher output, thereby effectively saving costs.

In this embodiment, the coil unit includes a skeleton wrapped outside the straight section, and a coil wound outside the skeleton. In other embodiments, the coil unit may also be a multi-turn coil directly wound outside the straight section.

In one of the embodiments, the first slot axially extends from one end surface of the stator yoke to the other end surface of the stator yoke. In other embodiments, the first slot can also be a blind slot structure, that is, it only extends axially from one end surface of the stator yoke to the middle of the stator yoke, but does not extend to the other end surface of the stator yoke.

In one of the embodiments, the inner side wall of the first slot is provided with a first flange, the side wall of the first plug part is provided with a first groove adapted to the first flange, and the first A flange is disposed in the first groove. In this way, the first flange is fitted into the first groove, which can prevent the stator teeth from detaching from the stator yoke. Preferably, first flanges are provided on both sides of the inner side wall of the first slot, and first flanges are provided on both sides of the first plug portion, so as to prevent the stator teeth from falling out of the first groove of the stator yoke. The effect of coming out is better. In other embodiments, the inner side wall of the first slot is provided with a second groove, and the side wall of the first plug part is provided with a second flange corresponding to the second groove.

In one of the embodiments, the winding stator structure further includes a tooth connecting plate, and the tooth connecting plate is connected to several end faces of the first plug. In this way, after the first plug portion is connected to the tooth connecting plate, it can be installed in the stator yoke more stably, and the tooth connecting plate can ensure good flatness of the end surface of the stator yoke.

In one of the embodiments, the winding stator structure further includes a first connector corresponding to the first plug part, and the first plug part is provided with a first installation hole, and the first installation hole extends from the One end surface of the first plug portion extends to the other end surface of the first plug portion, the tooth connecting plate includes a first tooth connecting plate and a second tooth connecting plate, the first tooth connecting The plate is provided with several second installation holes, and the second tooth connecting plate is provided with several third installation holes, and the third installation holes and the second installation holes are set correspondingly one by one, and the first teeth The part connecting plate is connected to the second tooth part connecting plate through the first connecting piece passing through the second mounting hole, the first mounting hole and the third mounting hole. In this way, the first tooth connecting plate and the second tooth connecting plate fix the stator teeth in the stator yoke, so that the two ends of the stator teeth are respectively pressed by the tooth connecting plates, which can ensure that the stator teeth are The axial direction of the stator yoke is fixed well.

In one embodiment, a third groove is formed on one end surface of the yoke block, and a third flange corresponding to the third groove is formed on the other end surface of the yoke block. In this way, the third flange on the end surface of one of the yoke sub-blocks is inserted into the third groove on the end surface of the other yoke sub-block, so that quick assembly and connection of the two yoke sub-blocks can be realized. In this embodiment, the third groove is a dovetail groove, and the third flange is a dovetail flange, so that the third flange of one yoke block is inserted into the third groove of the other yoke block along the axial direction After the center, the third flange can better prevent the other yoke part from coming out.

In one of the embodiments, the winding stator structure further includes a yoke connection plate, and the yoke connection plate is connected to the sides of several yoke blocks. In this way, the yoke connection plate not only connects the yoke parts to form the stator yoke, but also can ensure that the end surface of the stator yoke has good flatness. Specifically, the yoke connecting plate includes a first yoke connecting plate and a second yoke connecting plate. The winding stator structure also includes a second connecting piece. The yoke block is provided with a fourth mounting hole, the first yoke connecting plate is provided with several fifth mounting holes, and the second yoke connecting plate is provided with a fourth mounting hole corresponding to the fifth mounting hole. Six mounting holes. A plurality of the yoke section blocks are arranged between the first yoke connection plate and the second yoke connection plate. The first yoke connection plate is connected to the second yoke connection plate through the fifth installation hole, the fourth installation hole and the sixth installation hole through the second connection piece. In this way, the first yoke connecting plate and the second yoke connecting plate fixedly connect the multiple yoke sub-blocks, so that the two sides of the multiple yoke sub-blocks are respectively pressed by the yoke connecting plate, so that the structure of the stator yoke is more stable , and easy to assemble. In this embodiment, both the first connecting member and the second connecting member may use riveting members, screws or bolts.

Description of drawings

Fig. 1 is the schematic diagram of the winding stator structure of the outer rotor motor of the embodiment of the present invention;

Fig. 2 is an exploded schematic diagram of the structure of the winding stator of the outer rotor motor of the embodiment of the present invention;

Fig. 3 is a schematic structural view of the stator teeth of the outer rotor motor according to the embodiment of the present invention;

Fig. 4 is a schematic diagram of the assembly of the stator yoke of the outer rotor motor of the embodiment of the present invention;

Fig. 5 is a schematic structural diagram of the yoke block of the outer rotor motor according to the embodiment of the present invention;

6 is a schematic diagram of the assembly of the coil unit according to the embodiment of the present invention;

Fig. 7 is a schematic structural diagram of the winding stator of the inner rotor motor in the embodiment of the present invention;

Fig. 8 is an exploded schematic view of the winding stator structure of the inner rotor motor in the embodiment of the present invention;

Fig. 9 is a schematic structural view of the stator teeth of the inner rotor motor according to the embodiment of the present invention;

Fig. 10 is a schematic diagram of the assembly of the stator yoke of the inner rotor motor according to the embodiment of the present invention;

Fig. 11 is a schematic structural diagram of the yoke block of the inner rotor motor according to the embodiment of the present invention.

10, stator yoke, 11, first slot, 111, first flange, 12, yoke part block, 121, third groove, 122, third flange, 123, fourth mounting hole, 124, yoke Partial block side, 13, first yoke connection plate, 131, fifth installation hole, 14, second yoke connection plate, 141, sixth installation hole, 15, second connection piece, 20, stator tooth part, 21 , the first plug part, 211, the first groove, 212, the first installation hole, 22, the straight extension section, 23, the anti-off end, 30, the coil unit, 31, the skeleton, 32, the coil, 41, the first tooth part Connecting plate, 411, the second mounting hole, 42, the second gear connecting plate, 421, the third mounting hole, 43, the first connecting piece, 100, the punching piece of the yoke, 101, the first notch, 102, the first Protrusion, 103, first through hole, 104, first bayonet socket, 105, first clamping block, 200, tooth punching piece, 201, first recess, 202, anti-off block, 203, second through hole.

detailed description

In order to make the above purpose, features and advantages of the present utility model more obvious and understandable, the specific implementation of the present utility model will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a full understanding of the present invention. However, the utility model can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below limit.

In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the number of indicated technical features . Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the description of the present invention, it should be understood that when an element is considered to be "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly" connected to another element, there are no intervening elements present.

Please refer to FIG. 1 to FIG. 11 . FIG. 1 to FIG. 5 are related schematic diagrams of the winding stator structure of the outer rotor motor, and FIG. 7 to FIG. 11 are related schematic diagrams of the winding stator structure of the inner rotor motor. A winding stator structure includes a stator yoke 10 and a stator tooth 20 . The stator yoke 10 is provided with several first slots 11 , and the stator yoke 10 is divided into several yoke partial blocks 12 along its circumference. Several yoke blocks 12 are connected in sequence to form the stator yoke 10 . There are several stator teeth 20, and the stator teeth 20 are set corresponding to the first slot 11. The stator teeth 20 include a first plug part 21, and the first plug part 21 is inserted into the the first slot 11.

The above-mentioned winding stator structure and motor can be manufactured separately from the stator yoke 10 and the stator teeth 20. When the quality of one or two stator teeth 20 produced is problematic, since the stator teeth 20 are not connected The stator yoke 10 or other stator teeth 20 will not affect the stator yoke 10 and other stator teeth 20 , which can reduce the reject rate. Likewise, since the stator yoke 10 is formed by connecting a plurality of yoke sub-blocks 12 , the yoke sub-blocks 12 can be produced in batches, and defective yoke sub-blocks 12 can be scrapped. Since the problematic yoke section 12 is not connected to the stator teeth 20 and other yoke sections 12 , it will not affect other stator teeth 20 and other yoke sections 12 . Secondly, the plate can be punched separately to obtain the yoke block 12 and the stator teeth 20 , and the scraps of corners after punching in blocks are relatively small. It can be seen that the above-mentioned winding stator structure can avoid the phenomenon of high scrap rate that occurs when the stator yoke 10 is punched out as a whole, thereby improving the utilization rate of the sheet material and reducing the material cost of the stator core.

In this embodiment, please refer to FIG. 3 and FIG. 4 or FIG. 9 and FIG. 10 , the stator tooth portion 20 further includes a straight extension section 22 and an anti-loosening end 23 . The first plug part 21 is plugged into the first slot 11 . One end of the straight extension section 22 is connected to the first plug part 21 , the other end of the straight extension section 22 is connected to the anti-off end 23 , and the coil unit 30 is wrapped around the straight extension section 22 . The anti-off end 23 interferes with the coil unit 30 (as shown in FIG. 1 or FIG. 7 ). In this way, since the stator yoke 10 and the stator tooth 20 are detachably connected, the structure is designed as a separate body, so that the coil 32 can be wound on the skeleton 31 first, and then the skeleton 31 is inserted on the stator tooth 20, and finally The stator teeth 20 are inserted into the stator yoke 10 . There is no need to gradually insert a small number of turns into the slot from the notch. It can be seen that the above-mentioned winding stator structure can effectively shorten the man-hours for embedding wires and save the process cost. Moreover, the first plug part 21 is inserted into the first slot 11 along the axial direction, the installation operation is relatively simple, and the assembly efficiency is high. In addition, because the coil is directly wound on the skeleton, the coil is close to the end of the iron core, and the end of the coil is very low, which can effectively save enamelled round copper wire, and make the axial electrical space of the winding stator structure smaller, which can effectively reduce the motor Axial dimension. Secondly, because the stator teeth equipped with coil units are inserted into the stator yoke, the notch size of the winding stator structure can be reduced, so that the distortion of the air gap magnetic field is small, and the air gap of the motor is relatively uniform. The positioning torque at the characteristic frequency is small, which can effectively reduce the torque ripple of the motor, and use shorter iron cores, permanent magnets and fewer enamelled round copper coils to obtain higher output, thereby effectively saving costs.

In this embodiment, the first slot 11 axially extends from one end surface of the stator yoke 10 to the other end surface of the stator yoke 10 . In other embodiments, the first slot 11 may also be a blind slot structure, that is, it only extends axially from one end surface of the stator yoke 10 to the middle of the stator yoke 10 and does not extend to the other end of the stator yoke 10. one end.

In addition, please refer to FIG. 3 and FIG. 5 or please refer to FIG. 9 and FIG. 11 , the inner wall of the first slot 11 is provided with a first flange 111 . A first groove 211 corresponding to the first flange 111 is formed on a side wall of the first plug portion 21 . The first flange 111 is disposed in the first groove 211 . In this way, the first flange 111 is fitted into the first groove 211 , which can prevent the stator teeth 20 from coming out of the stator yoke 10 . Preferably, both sides of the inner side wall of the first slot 11 are provided with first flanges 111, and both sides of the first plug part 21 are provided with first flanges 111, so as to prevent the stator tooth part 20 from being separated from the stator yoke part 10. The effect of coming out of the first groove 211 is better. In other embodiments, the inner wall of the first socket 11 is provided with a second groove, and the side wall of the first plug part 21 is provided with a second flange corresponding to the second groove.

In addition, please refer to FIG. 2 or FIG. 8 again, the winding stator structure further includes tooth connecting plates (41, 42). The tooth connecting plates (41, 42) are connected to the end surfaces of several first plug parts 21. In this way, after the first plug portion 21 is connected to the tooth connecting plates (41, 42), it can be installed in the stator yoke 10 more stably, and the tooth connecting plates (41, 42) can ensure that the end surface of the stator yoke 10 Good flatness.

Further, the winding stator structure further includes a first connecting piece 43 corresponding to the first plug part 21 . The first plug portion 21 defines a first installation hole 212 . The first mounting hole 212 extends from one end surface of the first plug portion 21 to the other end surface of the first plug portion 21 . The tooth connecting plate includes a first tooth connecting plate 41 and a second tooth connecting plate 42 . The first gear connecting plate 41 is provided with several second mounting holes 411 . The second gear connecting plate 42 is provided with a plurality of third mounting holes 421 . The third mounting holes 421 are set corresponding to the second mounting holes 411 one by one. The first tooth connecting plate 41 is connected to the second tooth through the first connecting piece 43 passing through the second mounting hole 411 , the first mounting hole 212 and the third mounting hole 421 Plate 42 is connected. In this way, the first tooth connecting plate 41 and the second tooth connecting plate 42 fix the stator tooth 20 in the stator yoke 10, so that both ends of the stator tooth 20 are respectively pressed by the tooth connecting plate, which can It is ensured that the stator teeth 20 are well fixed in the axial direction of the stator yoke 10 .

Further, one end surface of the yoke block 12 is provided with a third groove 121 , and the other end surface of the yoke block 12 is provided with a third flange 122 corresponding to the third groove 121 . In this way, the third flange 122 on the end surface of one of the yoke sub-blocks 12 is inserted into the third groove 121 on the end surface of the other yoke sub-block 12 , so that the two yoke sub-blocks 12 can be quickly assembled and connected. In this embodiment, the third groove 121 is a dovetail groove, and the third flange 122 is a dovetail flange, so that the third flange 122 of one of the yoke parts 12 is inserted into the other yoke part 12 in the axial direction. After being inserted into the third groove 121, the third flange 122 can better prevent the other yoke block 12 from coming out.

Further, the winding stator structure further includes yoke connecting plates (13, 14). The yoke connection plates (13, 14) are connected to several yoke block side surfaces 124. In this way, the yoke connecting plates (13, 14) not only connect the yoke sub-blocks 12 to form the stator yoke 10, but also ensure that the end surface of the stator yoke 10 has good flatness. Specifically, the yoke connecting plate includes a first yoke connecting plate 13 and a second yoke connecting plate 14 . The winding stator structure also includes a second connecting piece 15 . The yoke block 12 is provided with a fourth mounting hole 123 . The first yoke connection plate 13 is provided with a plurality of fifth installation holes 131 , and the second yoke connection plate 14 is provided with a sixth installation hole 141 corresponding to the fifth installation holes 131 . Several yoke blocks 12 are installed between the first yoke connecting plate 13 and the second yoke connecting plate 14 . The first yoke connecting plate 13 is connected to the second yoke through the second connecting piece 15 passing through the fifth installation hole 131 , the fourth installation hole 123 and the sixth installation hole 141 Plate 14 is connected. In this way, the first yoke connecting plate 13 and the second yoke connecting plate 14 fixedly connect the plurality of yoke sub-blocks 12, so that the two side surfaces 124 of the plurality of yoke sub-blocks 12 are respectively pressed by the yoke connecting plate, so that the stator The structure of the yoke 10 is relatively stable and easy to assemble. In this embodiment, both the first connecting member 43 and the second connecting member 15 may use riveting members, screws or bolts.

In addition, please refer to FIG. 5 or FIG. 11 again, the yoke block 12 is formed by laminating a plurality of yoke punches 100 . Wherein, one side of the yoke punch 100 is provided with a plurality of first notches 101 . A first bump 102 is provided on a side portion forming the first notch 101 . A first through hole 103 is provided on the yoke punching piece 100 . One end of the yoke stamping piece 100 is provided with a first bayonet opening 104 , and the other end of the yoke stamping piece 100 is provided with a first locking block 105 corresponding to the first bayonet opening 104 . When a plurality of yoke punches 100 are stacked together, the first notches 101 are aligned and stacked together to form the first slot 11, the first protrusions 102 are aligned and stacked together to form the first flange 111, and the first through The holes 103 are aligned and communicated together to form a fourth mounting hole 123 , the first bayonets 104 are aligned and laminated together to form a third groove 121 , and the first clamping blocks 105 are aligned and laminated together to form a third flange 122 .

Please refer to FIG. 3 or FIG. 9 again, the stator tooth portion 20 is formed by stacking multiple tooth portion stamping pieces 200 . Wherein, the first end of the tooth stamping piece 200 is adapted to the first notch 101 , and the first end of the tooth stamping piece 200 is provided with a first concave portion 201 adapted to the first bump 102 . The second end of the tooth punching piece 200 is provided with an anti-off block 202 . A second through hole 203 is provided on the tooth punching piece 200 . When a plurality of tooth punching pieces 200 are stacked together, the first recesses 201 are aligned and stacked together to form the first groove 211, the anti-off blocks 202 are aligned and stacked together to form the anti-off end 23, and the second through hole 203 Aligned and communicated together to form the first installation hole 212 . In this way, the yoke block 12 and the stator teeth 20 can be formed by laminating the yoke punches 100 and the teeth punches 200 respectively. The first notch 101, the first protrusion 102, the first through hole 103, the first bayonet 104, the first block 105, the first recess 201, the anti-off block 202, and the second through hole 203 are laminated to obtain The precision of the first slot 11, the first flange 111, the fourth mounting hole 123, the third groove 121, the third flange 122, the first groove 211, the anti-off end 23 and the first mounting hole 212 is high .

In another embodiment, a winding stator structure includes a stator yoke 10 and a stator tooth 20 . The stator yoke 10 is provided with several second plug parts, and the stator yoke 10 is divided into several yoke partial blocks 12 along its circumference, and several of the yoke partial blocks 12 are successively connected to form the stator yoke 10. There are several stator tooth parts 20, and the stator tooth part 20 is set corresponding to the second plug part, and the stator tooth part 20 includes a second slot. The second plug part is plugged into the second slot. The winding stator structure is similar to the aforementioned winding stator structure, and the technical effect produced is similar, so this embodiment will not repeat them here.

A motor, comprising the winding stator structure, and a rotor cooperating with the winding stator structure. The beneficial effects of the motor mentioned above are brought about by the winding stator structure, which is the same as the technical effect of the winding stator structure, and will not be repeated in this embodiment.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be interpreted as a limitation on the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. A winding stator structure, characterized in that, comprising: A stator yoke, the stator yoke is provided with several first slots, the stator yoke is divided into several yoke partial blocks along its circumference, and several of the yoke partial blocks are connected in sequence to form the stator yoke ;and There are several stator teeth, the stator teeth are set corresponding to the first slots, the stator teeth include a first plug part, and the first plug part is plugged into the in the first slot. 2. The winding stator structure according to claim 1, characterized in that, the stator tooth part further includes a straight extension section and an anti-off end, the first plug part is inserted into the first slot, and the One end of the straight section is connected to the first plug part, the other end of the straight section is connected to the anti-off end, the straight section is covered with a coil unit, and the anti-off end interferes with the coil unit. 3. The winding stator structure according to claim 1, wherein the first slot axially extends from one end surface of the stator yoke to the other end surface of the stator yoke. 4. The winding stator structure according to claim 1, wherein a first flange is provided on the inner side wall of the first slot, and a first flange is provided on the side wall of the first plug portion corresponding to the first flange. An adapted first groove, the first flange is disposed in the first groove. 5 . The winding stator structure according to claim 1 , further comprising a tooth connecting plate, and the tooth connecting plate is connected to several end surfaces of the first plugs. 6 . 6. The stator winding structure according to claim 5, further comprising a first connector corresponding to the first plug part, the first plug part is provided with a first installation hole, and the first plug part is provided with a first mounting hole. The installation hole extends from one end surface of the first plug part to the other end surface of the first plug part, and the tooth connecting plate includes a first tooth connecting plate and a second tooth connecting plate, the first tooth connecting plate A tooth connecting plate is provided with several second mounting holes, and the second tooth connecting plate is provided with several third mounting holes, and the third mounting holes are set corresponding to the second mounting holes one by one, so The first tooth connecting plate is connected to the second tooth connecting plate through the first connecting piece through the second mounting hole, the first mounting hole and the third mounting hole. 7. The winding stator structure according to claim 1, characterized in that, one end surface of the yoke block is provided with a third groove, and the other end surface of the yoke block is provided with a groove corresponding to the third groove. Adapted third flange. 8 . The winding stator structure according to claim 1 , further comprising a yoke connecting plate, and the yoke connecting plate is connected to the sides of several yoke blocks. 9. A winding stator structure, characterized in that it comprises: The stator yoke, the stator yoke is provided with several second plug parts, the stator yoke is divided into several yoke partial blocks along its circumference, and the several yoke partial blocks are connected in sequence to form the stator yoke ;and There are several stator teeth, the stator teeth are set corresponding to the second plug, the stator teeth include a second slot, and the second plug is plugged into the in the second slot. 10. An electrical machine, characterized by comprising the winding stator structure according to any one of claims 1 to 9, and further comprising a rotor cooperating with the winding stator structure.