Relay coil pin, coil assembly and relay
By designing bendable relay coil leads, the problem of coil lead interference during winding was solved, enabling compact assembly and miniaturization of the relay.
Patent Information
- Application Number
- CN202422863960.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-22
AI Technical Summary
In the prior art, the design of the relay coil pins causes them to interfere with the coil frame during the winding process, which affects the miniaturization of the relay.
Design a relay coil pin, including horizontal and vertical lead-out sections. The structural state of the pin is changed by bending action to avoid the winding area, and the horizontal bend is used to close it after winding for compact assembly.
It improves the winding smoothness of the coil frame, enables the miniaturization of the relay, and simplifies the assembly process.
Smart Images
Figure CN223539528U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of relay technology, specifically to a relay coil pin, coil assembly, and relay. Background Technology
[0002] A relay coil assembly typically includes a coil frame, a coil winding wound on the coil frame, and two coil pins connected to the coil frame. The beginning and end of the coil winding are connected to the two coil pins, respectively. During coil assembly fabrication, the two coil pins are usually first fixed to a connecting part at one end of the coil frame. Then, the beginning of the coil is wound and fixed to one of the coil pins, followed by a winding process on the coil frame. After winding, the end of the coil is wound and fixed to the other coil pin. During the winding process, the winding area must not be subject to structural interference that would hinder the winding operation. Therefore, the coil pins need to avoid the winding area of the coil frame. This necessitates that the coil pins extend outwards along the length direction or laterally along the width direction relative to the coil frame at the connecting part to avoid the winding area. This, to some extent, prevents the relay from meeting miniaturization requirements. Utility Model Content
[0003] In view of the shortcomings of the prior art, this utility model provides a relay coil pin, which is simple and convenient to assemble with the coil frame and does not affect the winding operation of the coil frame.
[0004] To achieve the above objectives, this utility model is implemented through the following technical solution:
[0005] A relay coil pin includes a pin body, the pin body including a lateral lead-out section and a vertical lead-out section bent and connected to the lateral lead-out section. The lateral lead-out section includes a front section and a rear section. The front section has a connecting part for insertion and fixing with a pin fixing part on a coil frame and a winding head exposed on the pin fixing part for winding. The rear section is configured to be laterally bent and folded relative to the front section.
[0006] Furthermore, a bending action part is formed at the connection between the front and rear sections to facilitate bending the lateral lead-out section. The rear section is configured to be laterally bent and gathered relative to the front section at the position of the bending action part after the coil frame winding is completed.
[0007] Furthermore, the bending action part has a groove structure, which is an arc-shaped groove.
[0008] Furthermore, the rear section of the transverse lead-out section is configured to be bent inward at a 90° angle relative to the front section towards the coil frame at the bending action position, and is arranged parallel to the axis of the coil frame so as to form a folded state with the coil frame.
[0009] Furthermore, a winding groove is provided on the winding head.
[0010] Furthermore, the connecting part is configured to be fixedly connected to the pin socket provided in the pin fixing part by interference fit.
[0011] Furthermore, the horizontal lead-out section and the vertical lead-out section are connected by a 90° vertical bend.
[0012] Based on the same inventive concept, this utility model also provides a coil assembly, including a coil frame, a coil winding wound on the coil frame, and two or more relay coil pins as described above. The coil frame is provided with a pin fixing part, and the two pin bodies are connected to the pin fixing part through their respective connecting parts. The beginning and end of the coil winding are respectively wound and connected to the winding heads of the two pin bodies.
[0013] Furthermore, the two pin bodies are arranged vertically and parallel to each other on the pin fixing part.
[0014] Based on the same inventive concept, this utility model also provides a method for assembling a coil assembly, comprising the following steps:
[0015] S1, first connect the connecting parts of the two relay coil pins to the corresponding positions of the pin fixing parts of the coil frame. At this time, the front and rear sections of the two relay coil pins avoid the winding area of the coil frame.
[0016] S2, then the beginning of the coil is wound on the winding head of one of the two relay coil pins, and then the coil winding is formed on the winding area of the coil frame, and then the end of the coil is wound on the winding head of the other relay coil pin.
[0017] S3. Finally, the rear sections of the two relay coil pins are laterally bent and folded at the bending action position relative to the front section to reduce the space occupied by the relay coil pins.
[0018] Based on the same inventive concept, this utility model also provides a relay, including any of the relay coil pins or coil assemblies described above.
[0019] The above technical solution has the following advantages or beneficial effects:
[0020] In the relay coil pin, coil assembly, and relay described in this utility model, the pin body has a first structural state before bending and a second structural state after bending. When assembled with the coil frame, its structural state is changed by bending the transverse lead-out section, which alters the extension direction of the pin body relative to the coil frame. This prevents the pin body from interfering with the winding operation of the coil frame, improving the winding smoothness of the coil frame. Furthermore, after the coil frame is wound, the pin body can be bent to form the second structural state after bending, i.e., the front and rear sections of the transverse lead-out section are bent, and the pin body is laterally bent and contracted relative to the coil frame. This makes the assembly structure of the pin body and the coil frame more compact, thereby facilitating the miniaturization of the relay. Attached Figure Description
[0021] Figure 1 This is a three-dimensional structural diagram of the relay according to an embodiment of the present utility model.
[0022] Figure 2 This is a schematic diagram of the assembly structure of the coil frame and the pin body according to an embodiment of the present invention (before bending).
[0023] Figure 3 This is a schematic diagram of the assembly structure (after bending) of the coil frame and the pin body according to an embodiment of this utility model.
[0024] Figure 4 yes Figure 3 A magnified view of section A in the image.
[0025] Label Explanation:
[0026] 1. Pin body, 2. Coil frame, 3. Coil winding, 11. Horizontal lead-out section, 12. Vertical lead-out section, 21. Pin fixing part, 111. Front section, 112. Rear section, 1111. Winding head. Detailed Implementation
[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0028] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0029] Please refer to the appendix. Figure 1 To be continued Figure 4One embodiment of this utility model provides a relay coil pin, including a pin body 1. The pin body 1 includes a lateral lead-out section 11 and a vertical lead-out section 12 bent and connected to the lateral lead-out section 11. The lateral lead-out section 11 includes a front section 111 and a rear section 112. The front section 111 has a connecting part for insertion and fixing with a pin fixing part 21 on a coil frame 2 and a winding head exposed on the pin fixing part 21 for winding. The rear section 112 is configured to be laterally bent and folded relative to the front section 111. It can be understood that in this embodiment, the pin body 1 has a first structural state before bending and a second structural state after bending. When it is assembled with the coil frame 2, its structural state is changed by bending the lateral lead-out section 11, which can change the extension direction of the pin body 1 relative to the coil frame 2, so as to avoid interfering with the winding operation of the coil frame 2 due to the presence of the pin body 1, which is beneficial to improving the winding smoothness of the coil frame 2. Furthermore, after the coil frame 2 is wound, the pin body 1 can be bent to form a second structural state after bending, that is, the front section 111 and the rear section 112 of the transverse lead-out section 11 are bent, and the pin body 1 is bent and folded relative to the coil frame 2, making the assembly structure of the pin body 1 and the coil frame 2 more compact, which is conducive to the miniaturization of the relay.
[0030] Please refer to the appendix. Figure 1 To be continued Figure 4 In one preferred embodiment, a bending section is formed at the connection between the front segment 111 and the rear segment 112 to facilitate bending the laterally extended segment 11 (the bending section is not specifically shown in the figure, but it is located inside the bending portion of the front segment 111). The rear segment 112 is configured to be laterally bent and gathered relative to the front segment 111 at the bending section position after the coil frame 2 has been wound. Preferably, the bending section is a groove structure, and further, the groove structure is an arc-shaped groove. It can be understood that, in this embodiment, by providing a bending section at the connection between the front segment 111 and the rear segment 112, on the one hand, the bending section helps to improve the bending convenience of the rear segment 112 relative to the front segment 111, thereby reducing the difficulty of bending operations and improving bending efficiency; on the other hand, the bending section also helps to improve the bending position accuracy between the front segment 111 and the rear segment 112, which can improve the consistency of the product's structural parameters. However, those skilled in the art should understand that in other embodiments, the specific structure of the bending part is not limited to the specific implementation disclosed in this embodiment, and may also be a structure such as a V-groove.
[0031] Please refer to the appendix. Figure 2 Appendix Figure 3 In one preferred embodiment, the rear section 112 of the transverse lead-out section 11 is configured to be bent inward at a transverse angle of 90° relative to the front section 111 toward the coil frame 2 at the bending action position, and is arranged parallel to the axis of the coil frame 2 so as to form a folded state with the coil frame 2.
[0032] Please refer to the appendix. Figure 2 In one preferred embodiment, a winding groove is provided on the winding head 1111. The beginning and end of the coil wound on the coil frame 2 can be wound on the winding groove of the corresponding winding head 1111, thereby improving the connection stability between the beginning and end of the coil and the winding head 1111.
[0033] Please refer to the appendix. Figure 2 Appendix Figure 3 In one preferred embodiment, the connecting part is configured to be fixedly connected to the pin socket provided in the pin fixing part 21 by interference fit. However, those skilled in the art should understand that in other embodiments, the connecting part can also be fixedly connected to the pin fixing part 21 by other fixed connection methods, and is not limited to the specific implementation method disclosed in this embodiment, as long as the corresponding part of the lateral lead-out section 11 of the pin body 1 can be stably fixedly connected to the pin fixing part 21.
[0034] Please refer to the appendix. Figure 2 To be continued Figure 4 In one preferred embodiment, the lateral lead-out section 11 and the vertical lead-out section 12 are connected by a 90° vertical bend, thereby making the pin body 1 roughly L-shaped.
[0035] Please refer to the appendix. Figure 1 To be continued Figure 4 One embodiment of this utility model also provides a coil assembly, including a coil frame 2, a coil winding 3 wound on the coil frame 2, and two or more relay coil pins according to any one embodiment. The coil frame 2 is provided with a pin fixing part 21, and the two pin bodies 1 are connected to the pin fixing part 21 through their respective connecting parts. The beginning and end of the coil winding 3 are respectively wound and connected to the winding heads 1111 of the two pin bodies 1. Preferably, the two pin bodies 1 are arranged vertically and parallel to each other on the pin fixing part 21.
[0036] Please refer to the appendix. Figure 1 To be continued Figure 4 An embodiment of this utility model also provides a method for assembling a coil assembly, comprising the following steps:
[0037] S1, first connect the connection part of the two relay coil pins to the corresponding position of the pin fixing part 21 of the coil frame 2. At this time, the front section 111 and the rear section 112 of the two relay coil pins avoid the winding area of the coil frame 2.
[0038] S2, then the beginning of the coil is wound on the winding head 1111 of one of the two relay coil pins, and then the coil winding 3 is formed by winding on the winding area of the coil frame 2, and then the end of the coil is wound on the winding head 1111 of the other relay coil pin.
[0039] S3. Finally, the rear section 112 of the two relay coil pins is laterally bent and folded relative to the front section 111 at the bending action position to reduce the space occupied by the relay coil pins.
[0040] It is understood that in this embodiment, before the coil frame 2 is wound, although the pin body 1 is fixedly connected to the coil frame 2, its entire part avoids the winding area of the coil frame 2. In this way, the coil frame 2 can be wound normally. After the winding operation of the coil frame 2 is completed, the pin body 1 can be bent at the bending part, so that the rear section 112 of its horizontal lead-out section 11 and the vertical lead-out section 12 are simultaneously bent inward at a 90° angle towards the coil frame 2 until the rear section 112 is parallel to the axis of the coil frame 2. This makes the pin body 1 and the coil frame 2 form a closed state, and the assembly structure of the two is more compact, which is more conducive to the miniaturization of the relay.
[0041] Please refer to the appendix. Figure 1 One embodiment of this utility model also provides a relay, including the relay coil pins or coil assembly of any of the above embodiments.
[0042] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model. Therefore, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
Claims
1. A relay coil pin, characterized in that: The device includes a pin body (1), which includes a lateral lead-out section (11) and a vertical lead-out section (12) that is bent and connected to the lateral lead-out section (11). The lateral lead-out section (11) includes a front section (111) and a rear section (112). The front section (111) has a connecting part for inserting and fixing with the pin fixing part (21) on the coil frame (2) and a winding head (1111) exposed to the pin fixing part (21) for winding. The rear section (112) is configured to be laterally bent and folded relative to the front section (111).
2. The relay coil pin according to claim 1, characterized in that: The connection between the front section (111) and the rear section (112) has a bending action part that facilitates bending the lateral lead-out section (11). The rear section (112) is configured to be laterally bent and gathered relative to the front section (111) at the position of the bending action part after the coil frame (2) is wound.
3. The relay coil pin according to claim 2, characterized in that: The bending part has a groove structure.
4. The relay coil pin according to claim 2, characterized in that: The rear section (112) of the transverse lead-out section (11) is configured to bend inward at a transverse 90° relative to the front section (111) toward the coil frame (2) at the bending action position, and is arranged parallel to the axis of the coil frame (2) so as to form a folded state with the coil frame (2).
5. The relay coil pin according to claim 1, characterized in that: A winding groove is provided on the winding head (1111).
6. The relay coil pin according to claim 1, characterized in that: The connecting part is configured to be fixedly connected to the pin socket provided in the pin fixing part (21) by interference fit.
7. The relay coil pin according to claim 1, characterized in that: The horizontal lead-out section (11) and the vertical lead-out section (12) are connected by a 90° vertical bend.
8. A coil assembly, characterized in that: The device includes a coil frame (2), a coil winding (3) wound on the coil frame (2), and two relay coil pins as described in any one of claims 1 to 7. The coil frame (2) is provided with a pin fixing part (21), and the two pin bodies (1) are connected to the pin fixing part (21) through their respective connecting parts. The beginning and end of the coil winding (3) are respectively wound and connected to the winding head (1111) of the two pin bodies (1).
9. The coil assembly according to claim 8, characterized in that: The two pin bodies (1) are arranged vertically and horizontally opposite each other on the pin fixing part (21).
10. A relay, characterized in that: Includes the relay coil pin as described in any one of claims 1 to 7 or the coil assembly as described in claim 8 or 9.