A stator coil support structure
By setting end extension welds on the support body of the motor stator coil, the problems of increased welding difficulties, reduced connection reliability, reduced production efficiency and maintenance difficulties caused by the reduction of the diameter of the thin metal wire are solved, and more efficient production and more reliable welding are achieved.
Patent Information
- Application Number
- CN202421307287.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-07
AI Technical Summary
As the motor size decreases, the diameter of the thin metal wire used to wind the coil decreases, resulting in increased welding difficulty, reduced connection reliability, reduced production efficiency and difficult maintenance.
A stator coil is designed, including a support body and an end expansion welded member arranged on the support body. The end of the thin metal wire is connected to the end expansion welded member. The end expansion welded member includes a welding part, a conductive part and a wiring part for welding with external electronic devices.
By setting end expansion welded parts on the main body of the bracket, the manufacturing process of the coil is simplified, the production efficiency is improved, the difficulty of welding is reduced, the stability and reliability of welding is ensured, and maintenance is more convenient.
Smart Images
Figure CN222706333U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to a support structure of a stator coil. Background Art
[0002] With the continuous advancement of science and technology, electronic devices are developing towards miniaturization, lightness and high performance. As an indispensable component in electronic devices, the reduction of motor size plays a vital role in improving the overall performance and portability of the device. In the manufacturing process of the motor, the winding and connection of the stator coil are key steps, which directly affect the performance and reliability of the motor.
[0003] Traditional motor stator coil bracket structures usually use fine metal wires to wind the coils and fix them with brackets. Subsequently, the ends of the coils are connected to external electronic devices by welding to establish electrical connections. However, as the size of motors continues to decrease, the diameter of the fine metal wires used to wind the coils has also decreased, which has led to several problems:
[0004] Increased difficulty in welding: The reduction in the diameter of fine metal wires makes the welding process more difficult because thinner wires are more likely to be damaged or broken during the welding process.
[0005] Reduced connection reliability: The soldered connection between the tiny coil ends and external electronics may not be strong enough, which may lead to the risk of unstable connection or disconnection during motor operation.
[0006] Reduced production efficiency: The coil winding and welding process of miniaturized motors requires higher precision and more delicate operations, which not only increases production costs but also reduces production efficiency.
[0007] Difficult to repair: When the motor needs to be repaired or replaced, the tiny coil ends make the repair more complicated and time-consuming. Utility Model Content
[0008] The technical problem to be solved by the utility model is to provide a support structure for a stator coil to solve the problems of increased welding difficulty, reduced connection reliability, reduced production efficiency and difficult maintenance caused by the increasingly smaller diameter of the metal wire wound around the coil.
[0009] In order to solve the above technical problems, the technical solution adopted by the utility model is: a stator coil bracket structure, including a bracket body and an end expansion welding piece arranged on the bracket body, the bracket body is used to wind a metal wire to form a coil, the end of the metal wire is connected to the end expansion welding piece, and the end expansion welding piece is used to be welded to an external electronic device.
[0010] Furthermore, the end extension welding part includes a welding part, a conductive part and a wiring part which are connected in sequence, the wiring part is used to connect the metal fine wire wrapped around the bracket body, and the welding part is used for welding of external electronic devices.
[0011] Furthermore, the conductive portion is embedded in the bracket body, and the welding portion and the wiring portion are respectively exposed from the bracket body.
[0012] Furthermore, the bracket body is provided with a welding groove, and the welding part is located in the welding groove.
[0013] Furthermore, the bracket body is provided with a wiring groove, and the wiring part is located in the wiring groove.
[0014] Furthermore, the bracket body is also provided with a wire groove connected to the wiring groove, and the metal fine wire passes through the wire groove.
[0015] Furthermore, a positioning protrusion is provided in the wire passing groove, and the positioning protrusion is used for winding the metal fine wire.
[0016] Furthermore, the wiring portion extends along the direction of the central axis of the bracket body.
[0017] Furthermore, the number of the end expansion weldments is multiple.
[0018] Furthermore, the bracket body includes a wrapping portion and a limiting portion arranged at the end of the wrapping portion, and the end expansion welding piece is arranged at the limiting portion.
[0019] The beneficial effects of the present invention are as follows: the stator coil bracket structure provided by the present invention can effectively solve the problems of increased welding difficulty, reduced connection reliability, reduced production efficiency and difficult maintenance caused by the increasingly smaller diameter of the metal wire used to wind the coil; by arranging an end expansion welding piece on the bracket body to connect with the metal wire, during the production process, the end expansion welding piece is used as the starting point for coil winding, thereby simplifying the coil manufacturing process; this design allows the producer to start winding the coil directly from the welding piece, reducing the preparation work before winding, thereby improving production efficiency; the end expansion welding piece provides a larger welding area, so that the welding operation is carried out under more stable conditions, reducing the difficulty of welding, and even if the diameter of the metal wire is reduced, the stability and reliability of the welding can be maintained; and it allows maintenance personnel to more easily access the welding points to carry out necessary inspections and repairs. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the stator coil support structure of the first embodiment of the utility model.
[0021] Description of labels:
[0022] 1. Bracket body; 11. Wrapping part; 12. Limiting part; 121. Welding groove; 122. Wiring groove; 123. Wire groove; 124. Positioning protrusion; 2. End expansion welding part; 21. Wiring part; 22. Conductive part; 23. Welding part. DETAILED DESCRIPTION
[0023] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.
[0024] Please refer to Figure 1 A stator coil support structure includes a support body 1 and an end expansion welding piece 2 arranged on the support body 1, wherein the support body 1 is used to wind a metal fine wire to form a coil, and the end of the metal fine wire is connected to the end expansion welding piece 2, and the end expansion welding piece 2 is used to be welded to an external electronic device.
[0025] From the above description, it can be seen that the beneficial effects of the utility model are: by arranging an end extension welding piece 2 on the bracket body 1 to connect with the metal wire, during the production process, the end extension welding piece 2 is used as the starting point for coil winding, thereby simplifying the coil manufacturing process; this design allows the producer to start winding the coil directly from the welding piece, reducing the preparation work before winding, thereby improving production efficiency; the end extension welding piece 2 provides a larger welding area, so that the welding operation is carried out under more stable conditions, reducing the difficulty of welding, and even if the diameter of the metal wire is reduced, the stability and reliability of the welding can be maintained; and it allows maintenance personnel to more easily access the welding points to carry out necessary inspections and repairs.
[0026] Furthermore, the end extension welding part 2 includes a welding part 23, a conductive part 22 and a wiring part 21 which are connected in sequence, the wiring part 21 is used to connect the metal fine wire wrapped around the bracket body 1, and the welding part 23 is used for welding of external electronic devices.
[0027] As can be seen from the above description, the stability of welding and the reliability of electrical connection are ensured by subdividing the end extension welding piece 2 into the welding part 23, the conductive part 22 and the wiring part 21. This design allows for more precise electrical connection and reduces the risk of connection failure.
[0028] Furthermore, the conductive portion 22 is embedded in the bracket body 1 , and the welding portion 23 and the wiring portion 21 are respectively exposed from the bracket body 1 .
[0029] As can be seen from the above description, the embedded design of the conductive part 22 and the exposed design of the welding part 23 and the wiring part 21 provide a structural layout that protects the internal conductive structure and facilitates external operations. This layout helps reduce potential damage to the conductive part 22 by the external environment, while facilitating welding and wiring work.
[0030] Furthermore, the bracket body 1 is provided with a welding groove 121 , and the welding portion 23 is located in the welding groove 121 .
[0031] As can be seen from the above description, the design of the welding groove 121 provides a precise position for the welding portion 23, ensuring the accuracy and consistency of the welding process. This design helps to improve welding quality and reduce welding defects, thereby improving the overall performance and life of the motor.
[0032] Furthermore, the bracket body 1 is provided with a wiring slot 122 , and the wiring portion 21 is located in the wiring slot 122 .
[0033] As can be seen from the above description, the arrangement of the wiring slot 122 provides an orderly placement space for the wiring portion 21, which helps to keep the coil neat and organized, and is convenient for maintenance and inspection. This design simplifies the assembly and maintenance process of the coil and improves production efficiency.
[0034] Furthermore, the bracket body 1 is also provided with a wire groove 123 communicating with the wiring groove 122 , and the metal thin wire passes through the wire groove 123 .
[0035] As can be seen from the above description, the design of the wire slot 123 allows the metal wire to pass through and connect to the wiring portion 21, and the connectivity with the wiring slot 122 provides a smooth path, reducing the complexity of the coil manufacturing process. This design helps to improve the manufacturing accuracy and consistency of the coil.
[0036] Furthermore, a positioning protrusion 124 is provided in the wire passing groove 123, and the positioning protrusion 124 is used for winding the metal fine wire.
[0037] As can be seen from the above description, the positioning protrusion 124 in the wire groove 123 provides an accurate winding position for the metal wire, ensuring the accuracy and stability of the coil winding. This design helps to reduce errors in the coil manufacturing process and improve the quality of the final product.
[0038] Furthermore, the wiring portion 21 extends along the direction of the central axis of the bracket body 1 .
[0039] As can be seen from the above description, the extension design of the wiring portion 21 along the central axis direction of the bracket body 1 optimizes space utilization, makes the coil layout more compact, and adapts to the design requirements of miniaturized motors. This design helps to reduce the size of the motor while maintaining performance.
[0040] Furthermore, the number of the end expansion weldments 2 is multiple.
[0041] As can be seen from the above description, the use of multiple end extension weldments 2 provides more connection options, and the number and position of weldments can be flexibly configured according to the specific needs of the motor. This design improves the adaptability and customizability of the motor.
[0042] Furthermore, the bracket body 1 includes a wrapping portion 11 and a limiting portion 12 disposed at an end of the wrapping portion 11 , and the end extension welding piece 2 is disposed at the limiting portion 12 .
[0043] As can be seen from the above description, the winding portion 11 is used for winding the metal wire into a coil, the limiting portion 12 is used to limit and protect the coil, and the design of the limiting portion 12 provides stable support and precise positioning for the end extension welding piece 2, ensuring the quality of the coil winding and the fixity of the welding piece. This design helps to improve the overall structural stability and durability of the motor.
[0044] Please refer to Figure 1 , Embodiment 1 of the utility model is: a support structure of a stator coil, comprising a support body 1 and an end extension welding piece 2 arranged on the support body 1, the support body 1 is used to wind a metal fine wire to form a coil, the end of the metal fine wire is connected to the end extension welding piece 2, and the end extension welding piece 2 is used to weld with an external electronic device; it can be understood that by arranging the end extension welding piece 2 on the support body 1 to connect with the metal fine wire, during the production process, the end extension welding piece 2 is used as the starting point for coil winding, which simplifies the manufacturing process of the coil; this design allows the producer to start winding the coil directly from the welding piece, reduces the preparation work before winding, thereby improving production efficiency, and can realize automated mass production through equipment; the end extension welding piece 2 provides a larger welding area, so that the welding operation is carried out under more stable conditions, reduces the difficulty of welding, and even if the diameter of the metal fine wire is reduced, the stability and reliability of the welding can be maintained; and allows maintenance personnel to more easily access the welding point to carry out necessary inspections and repairs.
[0045] Preferably, the end extension welding piece 2 includes a welding part 23, a conductive part 22 and a wiring part 21 connected in sequence, the wiring part 21 is used to connect the metal fine wire wrapped around the bracket body 1, and the welding part 23 is used for welding of external electronic devices. By subdividing the end extension welding piece 2 into the welding part 23, the conductive part 22 and the wiring part 21, the stability of welding and the reliability of electrical connection are ensured. This design allows for more precise electrical connection and reduces the risk of connection failure; specifically, the material of the end extension welding piece 2 is a conductive metal material, and the end extension welding piece 2 is integrally formed with the bracket body 1 by injection molding; specifically, the conductive part 22 is embedded in the bracket body 1, and the welding part 23 and the wiring part 21 are respectively exposed to the bracket body 1. The embedded design of the conductive part 22 and the exposed design of the welding part 23 and the wiring part 21 provide a structural layout that protects the internal conductive structure and facilitates external operation. This layout helps to reduce the potential damage of the conductive part 22 by the external environment, while facilitating welding and wiring work.
[0046] In this embodiment, the support body 1 is provided with a welding groove 121, and the welding part 23 is located in the welding groove 121. The design of the welding groove 121 provides a precise position for the welding part 23, ensuring the accuracy and consistency of the welding process. This design helps to improve the welding quality and reduce welding defects, thereby improving the overall performance and life of the motor; specifically, the support body 1 is provided with a wiring groove 122, and the wiring part 21 is located in the wiring groove 122. The setting of the wiring groove 122 provides an orderly placement space for the wiring part 21, which helps to keep the coil neat and organized, and is convenient for maintenance and inspection. This design simplifies the assembly and maintenance process of the coil and improves production efficiency; more specifically, the support body 1 is also provided with a wire groove 123 connected to the wiring groove 122, and the metal fine wire passes through the wire groove 123. The design of the wire groove 123 allows the metal fine wire to pass through and connect to the wiring part 21, and the connectivity with the wiring groove 122 provides a smooth path, reducing the complexity of the coil manufacturing process. This design helps to improve the manufacturing accuracy and consistency of the coil; in detail, the wire groove 123 is provided with a positioning protrusion 124, and the positioning protrusion 124 is used for the metal fine wire to be wound. The positioning protrusion 124 in the wire groove 123 provides an accurate winding position for the metal fine wire, ensuring the accuracy and stability of coil winding. This design helps to reduce errors in the coil manufacturing process and improve the quality of the final product.
[0047] Preferably, the wiring portion 21 extends in the direction of the central axis of the bracket body 1. The extension design of the wiring portion 21 in the direction of the central axis of the bracket body 1 optimizes the space utilization, makes the coil layout more compact, and adapts to the design requirements of miniaturized motors. This design helps to reduce the size of the motor while maintaining performance; specifically, the bracket body 1 includes a winding portion 11 and a limiting portion 12 provided at the end of the winding portion 11, the end extension weldment 2 is provided at the limiting portion 12, the winding portion 11 is used for winding a metal fine wire into a coil, the limiting portion 12 is used to limit and protect the coil, and the design of the limiting portion 12 provides stable support and precise positioning for the end extension weldment 2, ensuring the quality of the coil winding and the fixity of the weldment. This design helps to improve the overall structural stability and durability of the motor.
[0048] As an option, the number of the end extension welded parts 2 is multiple, and the use of multiple end extension welded parts 2 provides more connection options, and the number and position of the welded parts can be flexibly configured according to the specific needs of the motor. This design improves the adaptability and customizability of the motor.
[0049] In summary, the stator coil bracket structure provided by the utility model can effectively solve the problems of increased welding difficulty, reduced connection reliability, reduced production efficiency and difficult maintenance caused by the increasingly smaller diameter of the metal wire used to wind the coil; by arranging an end expansion welding piece on the bracket body to connect with the metal wire, during the production process, the end expansion welding piece is used as the starting point for coil winding, thereby simplifying the coil manufacturing process; this design allows the producer to start winding the coil directly from the welding piece, reducing the preparation work before winding, thereby improving production efficiency; the end expansion welding piece provides a larger welding area, so that the welding operation is carried out under more stable conditions, reducing the difficulty of welding, and even if the diameter of the metal wire is reduced, the stability and reliability of the welding can be maintained; and it allows maintenance personnel to more easily access the welding points to carry out necessary inspections and repairs.
[0050] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.
Claims
1. A stator coil support structure, characterized in that: It includes a bracket body and an end expansion welding piece arranged on the bracket body, the bracket body is used to wind a metal fine wire to form a coil, the end of the metal fine wire is connected to the end expansion welding piece, and the end expansion welding piece is used to be welded to an external electronic device.
2. The stator coil support structure according to claim 1, characterized in that: The end extension welding piece includes a welding portion, a conductive portion and a wiring portion which are connected in sequence. The wiring portion is used to connect the metal fine wire wound around the bracket body, and the welding portion is used for welding external electronic devices.
3. The stator coil support structure according to claim 2, characterized in that: The conductive part is embedded in the bracket body, and the welding part and the wiring part are respectively exposed outside the bracket body.
4. The stator coil support structure according to claim 2, characterized in that: The bracket body is provided with a welding groove, and the welding part is located in the welding groove.
5. The stator coil support structure according to claim 2, characterized in that: The bracket body is provided with a wiring groove, and the wiring part is located in the wiring groove.
6. The stator coil support structure according to claim 5, characterized in that: The bracket body is also provided with a wire groove communicated with the wiring groove, and the metal thin wire passes through the wire groove.
7. The stator coil support structure according to claim 6, characterized in that: A positioning protrusion is provided in the wire passing groove, and the positioning protrusion is used for the metal fine wire to be wound around.
8. The stator coil support structure according to claim 2, characterized in that: The wiring portion extends along a direction of a central axis of the bracket body.
9. The stator coil support structure according to claim 1, characterized in that: The number of the end expansion welding parts is multiple.
10. The stator coil support structure according to claim 1, characterized in that: The bracket body includes a winding portion and a limiting portion arranged at the end of the winding portion, and the end expansion welding piece is arranged at the limiting portion.