A coil structure for automotive gearboxes

Abstract

This utility model discloses a coil structure for an automotive transmission, including a frame and a base. The base is inserted and fixed to one end of the frame. A rear yoke is provided on the end of the frame facing the base. A coil groove is provided in the middle of the frame, and a helical groove is provided at the bottom of the coil groove. A coil is provided in the coil groove, and the coil is made of enameled wire. The enameled wire cooperates with the helical groove. An inlet groove and an outlet groove are provided on both sides of the frame facing the base. Both the inlet groove and the outlet groove are provided with connecting wires. The two connecting wires are respectively connected to the two ends of the enameled wire. The base is provided with two pins, which contact the connecting wires. The coil structure of this utility model, with the helical groove at the bottom of the coil groove of the frame, can prevent the wire from moving, ensuring the accuracy and consistency of the coil structure. Moreover, with the inlet groove and the outlet groove, the connecting wire can be quickly led out of the frame, ensuring that the connecting wire does not move back and forth, avoiding movement of the connecting wire and the coil, further improving the accuracy and consistency of the coil structure.

Description

Technical Field

[0001] This utility model relates to electromagnetic coil technology, specifically a coil structure for automotive transmissions. Background Technology

[0002] As a core component of the automotive transmission system, the performance and quality of the automotive transmission have a significant impact on the overall performance of the vehicle. In recent years, China has made significant progress in automotive transmission technology. In the fields of CVT (Continuously Variable Transmission) and DCT (Dual Clutch Transmission), domestic manufacturers have achieved independent innovation and launched many high-performance products.

[0003] The existing coil structure for automotive transmissions typically involves fixing the frame and then winding the wires onto the frame using a winding device. However, the coil slots of the frame are smooth, and the bottom layer of wires is prone to movement during winding, making it difficult to guarantee the accuracy and consistency of the entire coil structure. Utility Model Content

[0004] To address the shortcomings of the prior art, this utility model provides a coil structure for automotive gearboxes, in which a helical groove is provided at the bottom of the coil groove in the frame, which can prevent the wire from moving and ensure the accuracy and consistency of the coil structure.

[0005] To achieve the above technical objectives, this utility model adopts the following technical solution: a coil structure for an automotive gearbox, comprising a frame and a base, wherein the base is inserted and fixed to one end of the frame, the frame has a rear yoke sleeve at one end facing the base, the frame has a coil groove in the middle, the bottom of the coil groove has a helical groove, a coil is provided in the coil groove, the coil is made of enameled wire, the enameled wire cooperates with the helical groove, the frame has an inlet groove and an outlet groove on both sides of the end facing the base, both the inlet groove and the outlet groove are provided with connecting wires, the two connecting wires are respectively connected to the two ends of the enameled wire, and the base is provided with two pins, the pins contacting the connecting wires.

[0006] Preferably, the frame has a front yoke sleeve at the end away from the base, and the front yoke sleeve is fitted with a pole shoe, which is located inside the coil.

[0007] Preferably, a valve sleeve gasket is provided on the side of the front yoke sleeve away from the rear yoke sleeve.

[0008] Preferably, the inlet slot and outlet slot are Z-shaped.

[0009] Preferably, the base has insertion holes on both sides, and the bottom of the insertion pin has a pin that mates with the insertion hole.

[0010] Preferably, the base is provided with limiting blocks in the middle and on both sides, and the pin is limited between two adjacent limiting blocks.

[0011] Preferably, the base has fixing posts on both sides away from the frame, and one end of the connecting line is wound around the fixing posts.

[0012] Preferably, the bottom of the pin is provided with a contact fork, which is located between the fixing post and the frame and is in contact with the connecting line.

[0013] In summary, this utility model achieves the following technical effects:

[0014] The coil structure for automotive gearboxes of this utility model features a helical groove at the bottom of the coil slot in the frame. This prevents the wire from moving, ensuring the accuracy and consistency of the coil structure. Furthermore, in conjunction with the inlet and outlet slots, the connecting wire can be quickly led out of the frame, ensuring that the connecting wire does not move back and forth. This prevents the connecting wire and coil from moving, further enhancing the accuracy and consistency of the coil structure. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the coil structure for an automotive gearbox according to this utility model;

[0016] Figure 2 This is a schematic diagram of the coil structure for an automotive gearbox according to this utility model;

[0017] Figure 3 This is a schematic diagram of the skeleton of the coil structure for automotive gearboxes according to this utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the coil structure for an automotive gearbox according to this utility model;

[0019] The following are the markings on the attached diagrams: 1. Frame; 2. Socket; 3. Pin; 4. Rear yoke sleeve; 5. Front yoke sleeve; 6. Valve sleeve gasket; 7. Coil; 8. Inlet groove; 9. Outlet groove; 10. Helical groove; 11. Contact fork; 12. Fixing post; 13. Socket; 14. Limiting block. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to the accompanying drawings.

[0021] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0022] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0026] Example 1:

[0027] like Figure 1As shown in Figure 4, a coil structure for an automotive transmission includes a frame 1 and a base. The base is inserted and fixed to one end of the frame 1. The frame 1 has a rear yoke 4 facing the base. The frame 1 has a coil 7 groove in the middle. The bottom of the coil 7 groove has a helical groove 10. A coil 7 is placed in the coil 7 groove. The coil 7 is made of enameled wire. The enameled wire cooperates with the helical groove 10. The frame 1 has an inlet groove 8 and an outlet groove 9 on both sides facing the base. Both the inlet groove 8 and the outlet groove 9 have connecting wires. The two connecting wires are connected to the two ends of the enameled wire. The base has two pins 3. The pins 3 are in contact with the connecting wires.

[0028] The front yoke sleeve 5 and the rear yoke sleeve 4 are both made of iron, which can improve the strength of the skeleton 1. The skeleton 1 is made of plastic. The front yoke sleeve 5 is integrally formed with the skeleton 1 and is used to insert and limit the pole shoes. The rear yoke sleeve 4 is inserted and fitted into the skeleton 1 so that the skeleton 1 can be inserted and fitted into the fixing seat of the winding equipment, so that the fixing seat will not come into contact with the pole shoes and avoid scratching the pole shoes. In actual assembly, the rear yoke sleeve is pressed into the skeleton 1, then the wire is wound, and after winding, the socket 2 is inserted. Then the pin 3 is pressed into the socket 2. Finally, the connecting wire and the contact fork 11 are welded by resistance welding.

[0029] The coil 7 structure for automotive gearboxes of this utility model has a helical groove 10 at the bottom of the coil 7 groove in the frame 1, which can prevent the wire from moving, ensure the accuracy and consistency of the coil 7 structure, and, together with the inlet groove 8 and outlet groove 9, can quickly lead the connecting wire out of the frame 1, and ensure that the connecting wire does not move back and forth, thus avoiding the movement of the connecting wire and the coil 7, further improving the accuracy and consistency of the coil 7 structure.

[0030] The frame 1 is provided with a front yoke 5 at the end away from the base; the front yoke 5 is fitted with a pole shoe, which is located inside the coil 7.

[0031] A valve sleeve gasket 6 is provided on the side of the front yoke 5 away from the rear yoke 4.

[0032] The inlet slot 8 and outlet slot 9 are Z-shaped.

[0033] Both sides of the base are provided with insertion holes 13, and the bottom of the insertion pin 3 is provided with a pin that cooperates with the insertion hole 13.

[0034] The base is provided with limiting blocks 14 in the middle and on both sides, and the pin 3 is limited between two adjacent limiting blocks 14; the setting of the limiting blocks 14 can prevent the pin 3 from being skewed.

[0035] The base is provided with fixing posts 12 on both sides away from the frame 1, and one end of the connecting line is wound around the fixing post 12.

[0036] The bottom of the pin 3 is provided with a contact fork 11, which is located between the fixing post 12 and the frame 1 and is in contact with the connecting line.

[0037] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. A coil structure for an automotive transmission, characterized in that, The device includes a frame and a base. The base is inserted and fixed to one end of the frame. The frame has a rear yoke at the end facing the base. The frame has a coil groove in the middle and a helical groove at the bottom. A coil is placed in the coil groove. The coil is made of enameled wire and is wound with the enameled wire. The enameled wire mates with the helical groove. The frame has an inlet groove and an outlet groove on both sides facing the base. Both the inlet groove and the outlet groove have connecting wires. The two connecting wires are connected to the two ends of the enameled wire. The base has two pins that contact the connecting wires.

2. A coil structure for an automobile transmission according to claim 1, wherein The frame is provided with a front yoke sleeve at the end away from the base, and the front yoke sleeve is inserted and fitted with a pole shoe, which is located inside the coil.

3. The coil structure for an automotive transmission according to claim 2, characterized in that, A valve sleeve gasket is provided on the side of the front yoke sleeve away from the rear yoke sleeve.

4. The coil structure for an automotive transmission according to claim 1, characterized in that, The inlet and outlet slots are Z-shaped.

5. The coil structure for an automotive transmission according to claim 1, characterized in that, The base has insertion holes on both sides, and the bottom of the insertion pin has a pin that mates with the insertion hole.

6. The coil structure for an automotive transmission according to claim 1, characterized in that, The base is provided with limiting blocks in the middle and on both sides, and the pin is limited between two adjacent limiting blocks.

7. A coil structure for an automotive transmission according to claim 1, characterized in that, The base has fixed posts on both sides away from the frame, and one end of the connecting line is wound around the fixed post.

8. A coil structure for an automotive transmission according to claim 7, characterized in that, The bottom of the pin is provided with a contact fork, which is located between the fixing post and the frame and is in contact with the connecting line.

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