Spliced winding mechanism and motor module

By splitting the stator winding into multiple stator components and adopting spliced connections, the problems of poor structure complexity and flexibility of the existing stator winding are solved, and the flexible expansion and reduction of the motor is achieved, and the production efficiency and the stability and safety of the motor are improved.

CN223079837UActive Publication Date: 2025-07-08DONGGUAN DIRECT DRIVE TECH LTD
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Patent Information

Application Number
CN202422185030.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-07-08
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

The existing stator winding structure has complex integrated design and poor structural flexibility, making it difficult to expand or reduce according to actual needs, and the manufacturing process is complex, resulting in high production costs and low assembly efficiency.

Method used

The annular stator winding is divided into multiple stator components, and the connection method of splicing bosses and splicing grooves is adopted. The adjacent stator components are connected by splicing bosses and splicing grooves, and the winding grooves are formed in combination with the upper and lower brackets to fix the coils. The outer arc ring and the inner arc ring enhance the structural stability, and the inner arc ring is equipped with positioning bosses and grooves to achieve accurate positioning.

Benefits of technology

It realizes flexible expansion or reduction of the stator winding structure, improves production versatility and assembly efficiency, reduces production costs, enhances the stability and safety of the motor, simplifies the manufacturing process, and improves heat dissipation and insulation performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223079837U_ABST
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Abstract

The utility model relates to the technical field of motors, in particular to a spliced winding mechanism and a motor module, which comprise an annular stator winding, the annular stator winding is formed by splicing a plurality of stator assemblies, and each stator assembly comprises a stator framework, an upper end support, a lower end support and a coil. A splicing boss and a splicing groove are respectively arranged on two sides of the stator framework, two adjacent stator assemblies are connected through the splicing boss and the splicing groove, the upper end support and the lower end support are respectively arranged on the upper side and the lower side of the stator framework and form a winding groove, and the coil is wound on the winding groove. According to the utility model, the annular stator winding is divided into a plurality of stator assemblies, and a connection mode of the splicing bosses and the splicing grooves is adopted, so that the whole winding structure is more flexible, and is convenient to expand or reduce according to actual needs.
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Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a spliced winding mechanism and a motor module. Background Art

[0002] A brushless motor is a type of motor, also known as a brushless DC motor or an electronic speed control motor. Compared with traditional brushed DC motors, brushless motors do not require the use of brushes and slip rings for commutation, so they have higher efficiency, longer life, and lower maintenance requirements. The working principle of a brushless motor is to use an electronic controller to achieve timely switching of the current, thereby driving the rotation of the motor rotor. It usually consists of a stator and a rotor. The stator contains several coils, and a rotating magnetic field is generated by the switching of the current. The rotor is equipped with permanent magnets or magnets and rotates under the action of the rotating magnetic field.

[0003] The stator winding of a motor is an important component of the motor. It mainly includes a skeleton and coils. The winding coils are composed of wires or coils and are usually fixed on the stator core of the motor. These coils are usually wound in the slots of the stator core according to certain rules and methods to form a complete winding system. The existing stator windings are generally integrally designed, with relatively complex preparation, poor structural flexibility, and cannot be expanded or reduced according to actual needs. Summary of the Utility Model

[0004] To solve the above problems, the utility model provides a spliced winding mechanism and a motor module with a more flexible overall winding structure, which is convenient for expansion or reduction according to actual needs by splitting the annular stator winding into multiple stator components and adopting the connection method of splicing bosses and splicing grooves.

[0005] The technical solution adopted by the utility model is as follows: a spliced winding mechanism, including an annular stator winding, the annular stator winding is formed by splicing multiple stator components, the stator components include a stator skeleton, an upper end bracket, a lower end bracket, and coils, splicing bosses and splicing grooves are respectively arranged on both sides of the stator skeleton, and adjacent two stator components are connected through the splicing bosses and splicing grooves. The upper end bracket and the lower end bracket are respectively arranged on the upper and lower sides of the stator skeleton and form a winding groove, and the coils are wound through the winding groove.

[0006] For further improvement of the above solution, the stator skeleton includes an outer arc ring, a connecting column, and an inner arc ring. The outer arc ring and the inner arc ring are connected through the connecting column, and both sides of the outer arc ring and the inner arc ring extend outwards.

[0007] For further improvement of the above solution, the splicing bosses and the splicing grooves are respectively arranged on both sides of the outer arc ring.

[0008] A further improvement to the above solution is that positioning bosses and positioning grooves are respectively arranged on both sides of the inner arc ring, and adjacent two stator assemblies are positioned and spliced through the positioning bosses and the positioning grooves.

[0009] A further improvement to the above solution is that upper insertion blocks are arranged on both sides of the upper end bracket, an upper fitting groove is formed between the two upper insertion blocks, the upper fitting groove is used to fit the upper side of the connecting column, and both ends of the upper insertion block respectively abut against the outer arc ring and the inner arc ring.

[0010] A further improvement to the above solution is that lower insertion blocks are arranged on both sides of the lower end bracket, a lower fitting groove is formed between the two lower insertion blocks, the lower fitting groove is used to fit the lower side of the connecting column, and both ends of the lower insertion block respectively abut against the outer arc ring and the inner arc ring.

[0011] A motor module includes the spliced winding mechanism described above; the motor module includes a housing and a rotor assembly, the annular stator winding is arranged in the housing, and the rotor assembly is arranged inside the diameter of the annular stator winding.

[0012] A further improvement to the above solution is that an assembly groove is arranged on the outer peripheral surface of the stator skeleton; the housing is provided with an installation cavity, the annular stator winding is arranged in the installation cavity, a locking hole is arranged on one side of the housing, and the locking hole is opposite to the positioning groove, so as to lock and fix the annular stator winding in the installation cavity by installing a screw in the locking hole.

[0013] A further improvement to the above solution is that a first end cover and a second end cover are respectively arranged at both ends of the housing, the rotor assembly is provided with a rotor element and a rotating shaft, the rotor element is fixedly connected to the rotating shaft, and both ends of the rotating shaft are respectively rotatably connected to the first end cover and the second end cover.

[0014] A further improvement to the above solution is that the rotor element includes a rotor bracket and rotor magnetic tiles, a rotor installation groove is arranged on the outer periphery of the rotor bracket, the rotor magnetic tiles are arranged in the rotor installation groove, and the rotor magnetic tiles are opposite to the inner periphery of the annular stator winding.

[0015] The beneficial effects of the present utility model are:

[0016] Compared with the existing stator windings, the utility model splits the annular stator winding into multiple stator components and adopts the connection method of splicing bosses and splicing grooves, making the overall winding structure more flexible and facilitating expansion or reduction according to actual needs. This design can adapt to motors with different sizes and power requirements, improving the versatility and flexibility of production. Splicing bosses and splicing grooves are provided on both sides of the stator skeleton, and this structure is used to connect adjacent stator components, simplifying the manufacturing process and effectively improving the assembly efficiency and reducing the production cost. The upper support and the lower support are respectively arranged on the upper and lower sides of the stator skeleton and are formed with winding grooves. Such a design is conducive to heat dissipation, enabling the winding to maintain a lower temperature during operation, and improving the stability and reliability of the motor. The coil is wound around the winding groove, which can effectively fix the position of the coil and contribute to improving the insulation performance of the winding, reducing the risk of wear and short circuit between coils or between the coil and the stator skeleton, and enhancing the safety of the motor. The utility model provides an efficient and reliable solution for the stator winding of the motor through multiple technical effects such as flexible and expandable design, improved manufacturing efficiency, optimized heat dissipation performance, improved insulation performance, and reduced energy consumption.

[0017] In the motor module adopting the above stator winding, by arranging the annular stator winding inside the housing and the rotor assembly inside the inner diameter of the annular stator winding, a compact layout of the entire motor module structure is achieved. This design enables the motor module to accommodate more coils in a limited space, improving the power density and performance of the motor. The design of the spliced winding mechanism enables flexible customization and adjustment of the motor module according to actual needs. Motor modules with different sizes and power requirements can be satisfied by splicing different numbers and specifications of stator components, improving the versatility and flexibility of production. The annular stator winding is arranged inside the housing, which is conducive to improving the heat dissipation and conduction efficiency. Such a design can effectively reduce the temperature of the motor during operation, improving the stability and reliability of the motor. The design of the spliced winding mechanism simplifies the assembly process, making the manufacturing process of the motor module more convenient and efficient. At the same time, it is also conducive to daily maintenance and reduces the maintenance cost of the equipment, extending the service life of the equipment. This motor module solution can give full play to the compact design, flexible and adjustable stator winding, improved heat dissipation and conduction efficiency, convenient assembly and maintenance, and material saving, providing a comprehensive optimization solution for the performance and reliability of the motor module. Brief Description of the Drawings

[0018] Figure 1 is a three-dimensional structural schematic diagram of the spliced winding mechanism of the utility model;

[0019] Figure 2 is Figure 1 the front view schematic diagram of the spliced winding mechanism in

[0020] Figure 3 is Figure 1 an exploded view of the spliced winding mechanism in

[0021] Figure 4 is Figure 1 an exploded view of the stator assembly of the spliced winding mechanism in

[0022] Figure 5 a three-dimensional structural view of the motor module of the present utility model;

[0023] Figure 6 is Figure 5 a front view of the motor module in

[0024] Figure 7 is Figure 6 a sectional view taken along A-A in

[0025] Explanation of reference numerals: annular stator winding 10, stator assembly 1, stator skeleton 11, splicing boss 111, splicing groove 112, outer arc ring 113, connecting column 114, inner arc ring 115, positioning boss 116, positioning groove 117, assembly groove 118, upper end bracket 12, upper insert block 121, upper mating groove 122, lower end bracket 13, lower insert block 131, lower mating groove 132, coil 14, housing 2, placement cavity 21, locking hole 22, first end cover 23, second end cover 24, rotor assembly 3, rotor element 31, rotor bracket 311, rotor magnetic tile 312, rotor mounting groove 313, rotating shaft 32. Detailed implementation manners

[0026] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure content of the present utility model more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the specification of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. As Figures 1 to 7As shown in the figure, in an embodiment of the present utility model, a spliced winding mechanism is involved, including an annular stator winding 10, which is formed by splicing a plurality of stator components 1. The stator component 1 includes a stator skeleton 11, an upper end bracket 12, a lower end bracket 13, and a coil 14. Splicing bosses 111 and splicing grooves 112 are respectively arranged on both sides of the stator skeleton 11. Adjacent two stator components 1 are connected through the splicing bosses 111 and the splicing grooves 112. The upper end bracket 12 and the lower end bracket 13 are respectively arranged on the upper and lower sides of the stator skeleton 11 and form a winding groove. The coil 14 is wound around the winding groove. In this embodiment, by splitting the annular stator winding 10 into a plurality of stator components 1 and adopting the connection method of the splicing bosses 111 and the splicing grooves 112, the overall winding structure is more flexible, facilitating expansion or reduction according to actual needs. Compared with the integrally arranged stator winding, the stator winding formed by splicing a plurality of stator components can wind the wire more precisely and tightly. This design can adapt to motors with different sizes and power requirements, improving the versatility and flexibility of production. The splicing bosses 111 and the splicing grooves 112 are arranged on both sides of the stator skeleton 11, and adjacent stator components 1 are connected by this structure, simplifying the manufacturing process and effectively improving the assembly efficiency and reducing the production cost. The upper end bracket 12 and the lower end bracket 13 are respectively arranged on the upper and lower sides of the stator skeleton 11 and form a winding groove. Such a design is beneficial to heat dissipation, enabling the winding to maintain a lower temperature during operation, improving the stability and reliability of the motor. The coil 14 is wound around the winding groove, which can effectively fix the position of the coil 14 and contribute to improving the insulation performance of the winding, reducing the risk of wear and short circuit between the coils 14 or between the coil 14 and the stator skeleton 11, and improving the safety of the motor. The present utility model provides an efficient and reliable solution for the stator winding of the motor through multiple technical effects such as flexible and expandable design, improved manufacturing efficiency, optimized heat dissipation performance, improved insulation performance, and reduced energy consumption.

[0029] The stator skeleton 11 includes an outer arc ring 113, connecting columns 114, and an inner arc ring 115. The outer arc ring 113 and the inner arc ring 115 are connected by the connecting columns 114, and both sides of the outer arc ring 113 and the inner arc ring 115 extend outward. The splicing boss 111 and the splicing groove 112 are respectively arranged on both sides of the outer arc ring 113. In this embodiment, through the connection design of the outer arc ring 113, the connecting columns 114, and the inner arc ring 115, and the structure in which both sides of the outer arc ring 113 and the inner arc ring 115 extend outward, the entire stator skeleton 11 is more stable and reliable. This helps to support and fix the stator assembly 1, reduce vibration and noise during the operation of the motor, and improve the working stability of the equipment. The splicing boss 111 and the splicing groove 112 are respectively arranged on both sides of the outer arc ring 113, which can effectively achieve the precise alignment and connection between the stator assemblies 1. This design is beneficial to improving the assembly accuracy of the stator assembly 1, ensuring the tight and reliable connection between various components, and thus improving the overall performance of the motor. Due to the design of the splicing boss 111 and the splicing groove 112, the stator assembly 1 can be flexibly disassembled and replaced without readjusting the overall structure. Such a design facilitates daily maintenance and component replacement, reduces the downtime and maintenance cost of the equipment. The extension design of the outer arc ring 113 and the inner arc ring 115 of the stator skeleton 11 helps with heat dissipation, thereby maintaining a lower temperature of the winding during operation, and improving the stability and reliability of the motor.

[0030] Positioning bosses 116 and positioning grooves 117 are respectively arranged on both sides of the inner arc ring 115. Adjacent stator assemblies 1 are positioned and spliced through the positioning bosses 116 and the positioning grooves 117. In this embodiment, the positioning bosses 116 and the positioning grooves 117 are arranged on both sides of the inner arc ring 115, and adjacent stator assemblies 1 achieve precise positioning and connection through such positioning bosses 116 and positioning grooves 117. This design can ensure the accuracy of the position of the stator assembly 1 during the assembly process, thereby improving the stability and reliability of the overall structure. The design of the positioning bosses 116 and the positioning grooves 117 simplifies the assembly process of the stator assembly 1. Such a structural design makes the alignment between the stator assemblies 1 clearer and simpler, reduces the assembly difficulty, shortens the assembly time, and improves the production efficiency. Through the precise matching of the positioning bosses 116 and the positioning grooves 117, the offset or misalignment between the stator assemblies 1 can be effectively avoided, ensuring the assembly accuracy of the stator assembly 1 and improving the performance and stability of the motor. The design of the positioning bosses 116 and the positioning grooves 117 enhances the connection stability between the stator assemblies 1. This structure can effectively prevent the stator assembly 1 from loosening or vibrating during operation, and improve the reliability and safety of the motor.

[0031] On both sides of the upper end bracket 12, there are upper insertion blocks 121. An upper mating groove 122 is formed between the two upper insertion blocks 121. The upper mating groove 122 is used to mate with the upper side of the connecting column 114. The two ends of the upper insertion block 121 respectively abut against the outer arc ring 113 and the inner arc ring 115. Specifically, on both sides of the lower end bracket 13, there are lower insertion blocks 131. A lower mating groove 132 is formed between the two lower insertion blocks 131. The lower mating groove 132 is used to mate with the lower side of the connecting column 114. The two ends of the lower insertion block 131 respectively abut against the outer arc ring 113 and the inner arc ring 115. In this embodiment, through the arrangement of the upper insertion block 121 and the lower insertion block 131, the upper mating groove 122 and the lower mating groove 132 are formed, which are used to mate with the upper side and the lower side of the connecting column 114, thus realizing a stable support connection. This design can effectively enhance the overall stability of the stator skeleton 11, reduce vibration and noise, and improve the working stability of the motor. The upper insertion block 121 and the lower insertion block 131 respectively abut against the outer arc ring 113 and the inner arc ring 115, which can accurately fix the position of the stator skeleton 11 and ensure the alignment accuracy between the stator components 1. This helps to improve the assembly accuracy and stability of the overall structure. The design of the upper end bracket 12 and the lower end bracket 13 enhances the structural strength of the stator skeleton 11, enabling the entire stator winding to have better anti-vibration and anti-deformation capabilities, and improving the reliability and safety of the motor during operation.

[0032] Refer to Figures 1 to 7 As shown, a motor module includes the spliced winding mechanism described above; the motor module includes a housing 2 and a rotor assembly 3. The annular stator winding 10 is arranged inside the housing 2, and the rotor assembly 3 is arranged inside the inner diameter of the annular stator winding 10. For the motor module adopting the above stator winding, by arranging the annular stator winding 10 inside the housing 2 and the rotor assembly 3 inside the inner diameter of the annular stator winding 10, a compact layout of the entire motor module structure is realized. This design enables the motor module to accommodate more coils 14 in a limited space, improving the power density and performance of the motor. With the design of the spliced winding mechanism, the motor module can be flexibly customized and adjusted according to actual needs. Motor modules with different sizes and power requirements can be satisfied by splicing different numbers and specifications of stator components 1, improving the versatility and flexibility of production. The annular stator winding 10 is arranged inside the housing 2, which is beneficial to improving the heat dissipation and conduction efficiency. Such a design can effectively reduce the temperature of the motor during operation, improving the stability and reliability of the motor. The design of the spliced winding mechanism simplifies the assembly process, making the manufacturing process of the motor module more convenient and efficient. At the same time, it is also beneficial to daily maintenance and servicing, reducing the equipment maintenance cost and extending the service life of the equipment. This motor module solution can fully utilize the compact design, flexible and adjustable stator winding, improved heat dissipation and conduction efficiency, convenient assembly and maintenance, and material saving, providing a comprehensive optimization solution for the performance and reliability of the motor module.

[0033] An assembly groove 118 is provided on the outer peripheral surface of the stator skeleton 11; the housing 2 is provided with a placement cavity 21, the annular stator winding 10 is arranged in the placement cavity 21, a locking hole 22 is provided on one side of the housing 2, and the locking hole 22 is opposite to the positioning groove 117, so as to lock and fix the annular stator winding 10 in the placement cavity 21 by installing a screw in the locking hole 22. In this embodiment, by providing the positioning groove 117 on the outer peripheral surface of the stator skeleton 11, providing the placement cavity 21 in the housing 2, and locking and fixing the annular stator winding 10 in the placement cavity 21 by screws, a firm fixed connection is achieved. This design can ensure that the stator winding will not loosen or shift during operation, improving the working stability and safety of the motor. Through the design that the locking hole 22 is opposite to the positioning groove 117, the installation and replacement of the stator winding are made more convenient. Such a structural design is beneficial to daily maintenance and repair, reducing the downtime and maintenance cost of the equipment. Since the stator winding can be firmly locked in the placement cavity 21, it is beneficial to improve the heat dissipation effect.

[0034] A first end cover 23 and a second end cover 24 are respectively provided at both ends of the housing 2. The rotor assembly 3 is provided with a rotor element 31 and a rotating shaft 32. The rotor element 31 is fixedly connected to the rotating shaft 32, and both ends of the rotating shaft 32 are respectively rotatably connected to the first end cover 23 and the second end cover 24. In this embodiment, through the rotational connection between the rotating shaft 32 and the first end cover 23 and the second end cover 24, good fixation of the rotor element 31 is achieved. This design can ensure that the rotor element 31 is stable and reliable during rotational motion, improving the working efficiency and safety of the motor. Both ends of the rotating shaft 32 are respectively rotatably connected to the first end cover 23 and the second end cover 24, making the rotor element 31 more flexible and smooth during rotation. This is beneficial to reducing the frictional loss of the rotor element 31 and extending the service life of the motor.

[0035] The rotor element 31 includes a rotor bracket 311 and rotor magnetic tiles 312. An outer periphery of the rotor bracket 311 is provided with a rotor mounting groove 313. The rotor magnetic tiles 312 are disposed in the rotor mounting groove 313, and the rotor magnetic tiles 312 are opposite to an inner periphery of the annular stator winding 10. In this embodiment, through the provision of the rotor mounting groove 313 of the rotor bracket 311 and the rotor magnetic tiles 312, the rotor magnetic tiles 312 are arranged opposite to the inner periphery of the annular stator winding 10, which is beneficial to optimizing the magnetic circuit design of the motor. This design can improve the uniformity of the magnetic field distribution of the motor and enhance the working efficiency and performance of the motor. The rotor magnetic tiles 312 are disposed in the rotor mounting groove 313, which can achieve a stable mounting connection. Such a design ensures a tight connection between the rotor magnetic tiles 312 and the rotor bracket 311, prevents loosening or vibration during operation, and improves the stability and reliability of the motor. The provision of the rotor mounting groove 313 on the outer periphery of the rotor bracket 311 is beneficial to the precise mounting of the rotor magnetic tiles 312. Such a design can improve the manufacturing precision of the rotor element 31, ensure the matching precision between the rotor magnetic tiles 312 and the stator winding, and improve the overall performance of the motor. By arranging the rotor magnetic tiles 312 opposite to the inner periphery of the annular stator winding 10, it helps to reduce the magnetic resistance loss of the rotor magnetic tiles 312 and improve the efficiency and energy-saving performance of the motor.

[0036] The above embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.

Claims

1. A spliced winding mechanism, characterized in that: It includes an annular stator winding which is formed by splicing multiple stator components. Each stator component includes a stator skeleton, an upper bracket, a lower bracket, and a coil. Splicing bosses and splicing grooves are respectively provided on both sides of the stator skeleton. Adjacent two stator components are connected through the splicing bosses and the splicing grooves. The upper bracket and the lower bracket are respectively arranged on the upper and lower sides of the stator skeleton and form a winding groove, and the coil is wound around the winding groove.

2. The spliced winding mechanism according to claim 1, wherein: The stator skeleton includes an outer arc ring, connecting columns, and an inner arc ring. The outer arc ring and the inner arc ring are connected through the connecting columns, and both sides of the outer arc ring and the inner arc ring extend outward.

3. The spliced winding mechanism according to claim 2, wherein: The splicing bosses and the splicing grooves are respectively arranged on both sides of the outer arc ring.

4. The spliced winding mechanism according to claim 2, wherein: Positioning bosses and positioning grooves are respectively provided on both sides of the inner arc ring. Adjacent two stator components are positioned and spliced through the positioning bosses and the positioning grooves.

5. The spliced winding mechanism according to claim 2, characterized in that: Upper inserting blocks are provided on both sides of the upper bracket, and an upper mating groove is formed between the two upper inserting blocks. The upper mating groove is used to mate with the upper side of the connecting column, and the two ends of the upper inserting block respectively abut against the outer arc ring and the inner arc ring.

6. The spliced winding mechanism according to claim 2, wherein: Lower inserting blocks are provided on both sides of the lower bracket, and a lower mating groove is formed between the two lower inserting blocks. The lower mating groove is used to mate with the lower side of the connecting column, and the two ends of the lower inserting block respectively abut against the outer arc ring and the inner arc ring.

7. A motor module, characterized in that: It includes the spliced winding mechanism according to any one of claims 1 to 6; the motor module includes a housing and a rotor assembly. The annular stator winding is arranged inside the housing, and the rotor assembly is arranged inside the inner diameter of the annular stator winding.

8. The motor module according to claim 7, wherein: An assembly groove is provided on the outer peripheral surface of the stator skeleton; the housing is provided with an installation cavity, the annular stator winding is arranged in the installation cavity, and a locking hole is provided on one side of the housing. The locking hole is opposite to the positioning groove, so as to lock and fix the annular stator winding in the installation cavity by installing a screw in the locking hole.

9. The motor module according to claim 8, characterized in that: A first end cover and a second end cover are respectively provided at both ends of the housing. The rotor assembly is provided with a rotor element and a rotating shaft. The rotor element is fixedly connected to the rotating shaft, and both ends of the rotating shaft are respectively rotatably connected to the first end cover and the second end cover.

10. The motor module according to claim 9, characterized in that: The rotor element includes a rotor bracket and rotor magnetic tiles. A rotor installation groove is provided on the outer periphery of the rotor bracket, and the rotor magnetic tiles are arranged in the rotor installation groove. The rotor magnetic tiles are opposite to the inner periphery of the annular stator winding.