A stamping stacked pen core
By using a stamped stacked structure and a pen-shaped iron core with a gradually varying width, the problems of insufficient strength, low precision, and high cost of traditional pen-shaped iron cores have been solved, achieving higher assembly precision and magnetic circuit stability, and improving the application effect in electromagnetic equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CIXI XIANGHUI AUTOMOBILE ELECTRICAL APPLIANCES CO LTD
- Filing Date
- 2025-09-02
- Publication Date
- 2026-07-21
AI Technical Summary
Traditional pen-type iron cores are prone to magnetic degradation due to high temperatures, and stress concentration at the solder joints can lead to cracking after long-term use. They are also prone to misalignment during assembly, resulting in insufficient strength, low precision, high cost, and poor flexibility.
The structure adopts a stamped stacked structure, with the connecting groove and connecting protrusion on the iron core connecting plate engaging and connected. Combined with the sliding connection between the positioning protrusion and the positioning groove, symmetry and stability are ensured. At the same time, the stacking of connecting plates with gradually varying widths formed by stamping enhances the overall structural stability and magnetic circuit performance.
It improves the assembly precision and overall structural stability of the pen-type iron core, enhances mechanical strength and magnetic circuit performance, reduces costs, and increases its application advantages in precision electromagnetic equipment.
Smart Images
Figure CN224536841U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pen-type iron core structure technology, and in particular to a stamped and stacked pen-type iron core. Background Technology
[0002] Pen-type iron cores are mainly used in various electrical equipment and magnetic components, especially in the fields of motors, transformers, and induction equipment. As a core component, pen-type iron cores are widely used in the manufacture of electromagnetic equipment, and their design and manufacturing process play a decisive role in the performance of the equipment. This involves multiple aspects such as the material, structure, manufacturing process, and performance optimization of the iron core.
[0003] In the existing technology, if the traditional pen-type iron core is connected by welding, the magnetic properties of the material are prone to decrease due to high temperature, and stress concentration is likely to occur at the weld point. Long-term use may lead to cracking. In addition, the assembly of the traditional pen-type iron core relies on manual alignment, which can cause the product to shift during the stamping process. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a stamped and stacked pen-type iron core.
[0005] This utility model is achieved by the following technical solution: a stamped and stacked pen-type iron core, including an iron core connecting plate, a connecting groove is provided on the right side of the iron core connecting plate, a positioning protrusion is fixedly connected to the right side of the iron core connecting plate, a first connecting protrusion is fitted into the inner wall of the connecting groove, a first connecting plate is fixedly connected to the end of the first connecting protrusion away from the iron core connecting plate, a positioning groove is provided on the left side of the first connecting plate, and the outer wall of the positioning protrusion is slidably connected to the inner wall of the positioning groove.
[0006] As a further improvement to the above solution, a plurality of connecting slots are provided, and the plurality of connecting slots are symmetrically arranged around the center of the iron core connecting plate. A plurality of positioning protrusions are provided, and the plurality of positioning protrusions are symmetrically arranged around the center of the iron core connecting plate.
[0007] As a further improvement to the above solution, a plurality of connecting protrusions are provided, two connecting plates are provided, the two connecting plates are symmetrically arranged with the iron core connecting plate as the center, and a plurality of positioning grooves are provided.
[0008] Through the above technical solution, the iron core connecting plate, as the central positioning component, is fixed to the connecting plate by engaging with the connecting protrusions through several connecting slots on its right side. The connecting slots and connecting protrusions are symmetrically arranged around the iron core connecting plate, ensuring the symmetry and stability of the connection and forming a robust overall structure between the iron core connecting plate and the connecting plate.
[0009] As a further improvement to the above solution, a stamping groove is provided on the right side of the connecting plate, and a connecting protrusion is fitted into the inner wall of the stamping groove.
[0010] As a further improvement to the above solution, the end of the connecting protrusion two that is away from the connecting plate one is fixedly connected to the connecting plate two.
[0011] As a further improvement to the above solution, the first stamping groove is provided with several, and the second connecting protrusion is provided with several.
[0012] As a further improvement to the above solution, a stamping groove is provided on the right side of the connecting plate, and the stamping groove is provided in several places.
[0013] As a further improvement to the above solution, several connecting plates are provided, and the several connecting plates are symmetrically arranged with the iron core connecting plate as the center.
[0014] Through the above technical solution, the connecting protrusion 1 is produced by stamping the stamping groove 1 by the stamping equipment, so that the connecting protrusion 1 is embedded in the connecting groove opened in the iron core connecting plate, thereby completing the connection between the connecting plate 1 and the iron core connecting plate. Furthermore, several connecting plates 2 each have different widths and are stacked sequentially from left to right, with the width gradually increasing and then decreasing, forming a cross-section that is approximately circular.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention uses an iron core connecting plate as the central positioning component. Several connecting slots on the right side engage with connecting protrusions to secure the iron core connecting plate. The connecting slots and protrusions are symmetrically arranged around the iron core connecting plate, ensuring symmetry and stability of the connection and forming a robust overall structure. Simultaneously, several positioning protrusions fixed to the right side of the iron core connecting plate slide against several positioning slots on the left side of the connecting plate, providing precise positioning. The cooperation between the positioning protrusions and slots ensures accurate positioning of the iron core connecting plate and connecting plate during stacking, preventing misalignment and further improving the assembly precision of the overall structure. This provides assurance for the magnetic circuit stability and mechanical strength of the pen-type iron core. It solves the shortcomings of traditional pen-type iron cores, such as insufficient strength, low precision, high cost, and poor flexibility.
[0016] This invention utilizes a plurality of stamped grooves on the right side of a connecting plate to interlock with a plurality of connecting protrusions, thus achieving connection between the connecting plate two, which is fixed at the end furthest from the connecting plate one, and the connecting protrusions two being stamped by a stamping press to form the stamped grooves. The plurality of connecting plates two are symmetrically arranged around the iron core connecting plate, and the aforementioned interlocking structure further expands the overall structure of the iron core, enhancing overall stability. The plurality of stamped grooves on the right side of the connecting plates two serve the same function as the connecting protrusions two, and each of the plurality of connecting plates two has a different width, stacked sequentially from left to right, with the width gradually increasing and then decreasing, forming a roughly circular cross-section. This allows for the stamping of corresponding protrusions to interlock with other components. This design, with its gradually changing width forming a circular cross-section, retains the advantages of the original modular stamping connection while further improving magnetic circuit performance, structural strength, and spatial adaptability through morphological optimization, giving the pen-type iron core a stronger application advantage in various precision electromagnetic devices. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the connecting plate of this utility model; Figure 3 This is a schematic diagram of the positioning protrusion structure of this utility model; Figure 4 This is a schematic diagram of the stamping groove structure of this utility model; Figure 5 This is a schematic diagram of the connecting plate of this utility model.
[0018] Explanation of key symbols: 1. Iron core connecting plate; 2. Connecting groove; 3. Positioning protrusion; 4. Connecting protrusion one; 5. Connecting plate one; 6. Positioning groove; 7. Stamping groove one; 8. Connecting protrusion two; 9. Connecting plate two; 10. Stamping groove two. Detailed Implementation
[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0020] Example: Please combine Figure 1-5This embodiment of a stamped and stacked pen-type iron core includes an iron core connecting plate 1. A connecting groove 2 is provided on the right side of the iron core connecting plate 1. A positioning protrusion 3 is fixedly connected to the right side of the iron core connecting plate 1. A connecting protrusion 4 is fitted into the inner wall of the connecting groove 2. A connecting plate 5 is fixedly connected to the end of the connecting protrusion 4 away from the iron core connecting plate 1. A positioning groove 6 is provided on the left side of the connecting plate 5. The outer wall of the positioning protrusion 3 is slidably connected to the inner wall of the positioning groove 6.
[0021] Several connecting grooves 2 are provided, and the several connecting grooves 2 are symmetrically arranged around the center of the iron core connecting plate 1. Several positioning protrusions 3 are provided, and the several positioning protrusions 3 are symmetrically arranged around the center of the iron core connecting plate 1.
[0022] There are several connecting protrusions 4 and two connecting plates 5. The two connecting plates 5 are symmetrically arranged with the iron core connecting plate 1 as the center. There are several positioning grooves 6.
[0023] A stamping groove 7 is provided on the right side of the connecting plate 15, and a connecting protrusion 28 is fitted into the inner wall of the stamping groove 17.
[0024] Connecting protrusion 28 is fixedly connected to connecting plate 29 at the end away from connecting plate 15.
[0025] Several stamping grooves 7 are provided, and several connecting protrusions 8 are provided.
[0026] The connecting plate 29 has a stamping groove 210 on its right side, and there are several stamping grooves 210.
[0027] Several connecting plates 2 9 are provided, and the several connecting plates 2 9 are symmetrically arranged with the iron core connecting plate 1 as the center.
[0028] The implementation principle of a stamped and stacked pen-type iron core in this embodiment is as follows: the iron core connecting plate 1 serves as the central positioning component. The connecting protrusions 4 on the connecting plate 5 are generated by the stamping equipment pressing the stamping grooves 7, causing the connecting protrusions 4 to embed into the several connecting grooves 2 opened on the right side of the iron core connecting plate 1, thereby achieving the fitting connection between the connecting plate 5 and the iron core connecting plate 1. The several connecting grooves 2 and the connecting protrusions 4 are symmetrically arranged with the iron core connecting plate 1 as the center, ensuring the symmetry and stability of the connection and forming a solid overall structure. At the same time, the several positioning protrusions 3 fixed on the right side of the iron core connecting plate 1 are slidably connected to the several positioning grooves 6 opened on the left side of the connecting plate 5, playing a precise positioning role, ensuring that the iron core connecting plate 1 and the connecting plate 5 are accurately positioned during the stacking process, avoiding displacement, improving the overall assembly accuracy, and providing a guarantee for the stability of the magnetic circuit and mechanical strength. Several stamped grooves 7 on the right side of connecting plate 1 5 engage with several connecting protrusions 8, connecting to connecting plate 2 9 fixed at the end away from connecting plate 1 5. Connecting protrusions 2 8 are formed by stamping grooves 2 10 using a stamping machine. Several connecting plates 2 9 are symmetrically arranged around the core connecting plate 1, further expanding the overall structure of the core and enhancing overall stability through the aforementioned engagement structure. The stamped grooves 2 10 on the right side of connecting plate 2 9 serve the same function as the connecting protrusions 2 8. Each connecting plate 2 9 has a different width, stacked sequentially from left to right, gradually increasing in width and then decreasing, forming a roughly circular cross-section. This allows for the stamping of corresponding protrusions to engage with other components. This design, with its gradually changing width forming a circular cross-section, retains the advantages of the original modular stamping connection while further improving magnetic circuit performance, structural strength, and spatial adaptability through morphological optimization, giving the pen-type core stronger application advantages in various precision electromagnetic devices.
[0029] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.
Claims
1. A stamped and stacked pen-shaped iron core, characterized in that, The device includes a core connecting plate (1), a connecting groove (2) on the right side of the core connecting plate (1), a positioning protrusion (3) fixedly connected to the right side of the core connecting plate (1), a connecting protrusion (4) fitted into the inner wall of the connecting groove (2), a connecting plate (5) fixedly connected to the end of the connecting protrusion (4) away from the core connecting plate (1), a positioning groove (6) on the left side of the connecting plate (5), and the outer wall of the positioning protrusion (3) slidingly connected to the inner wall of the positioning groove (6).
2. The stamped and stacked pen-type iron core as described in claim 1, characterized in that: The connecting groove (2) is provided in a plurality of places, and the plurality of connecting grooves (2) are arranged symmetrically with respect to the center of the iron core connecting plate (1). The positioning protrusion (3) is provided in a plurality of places, and the plurality of positioning protrusions (3) are arranged symmetrically with respect to the center of the iron core connecting plate (1).
3. The stamped and stacked pen-type iron core as described in claim 1, characterized in that: The connecting protrusion (4) is provided in several ways, the connecting plate (5) is provided in two ways, the two connecting plates (5) are symmetrically arranged with the iron core connecting plate (1) as the center, and the positioning groove (6) is provided in several ways.
4. The stamped and stacked pen-type iron core as described in claim 1, characterized in that: The connecting plate 1 (5) has a stamping groove 1 (7) on its right side, and a connecting protrusion 2 (8) is fitted into the inner wall of the stamping groove 1 (7).
5. The stamped and stacked pen-type iron core as described in claim 4, characterized in that: The end of the connecting protrusion 2 (8) away from the connecting plate 1 (5) is fixedly connected to the connecting plate 2 (9).
6. The stamped and stacked pen-type iron core as described in claim 5, characterized in that: The first stamping groove (7) has several openings, and the second connecting protrusion (8) has several openings.
7. A stamped and stacked pen-type iron core as described in claim 6, characterized in that: The connecting plate 2 (9) has a stamping groove 2 (10) on its right side, and the stamping groove 2 (10) has several of them.
8. The stamped and stacked pen-type iron core as described in claim 7, characterized in that: Several connecting plates (9) are provided, and several connecting plates (9) are symmetrically arranged with the iron core connecting plate (1) as the center.