Inductor and inductor mold

Abstract

The utility model discloses an inductance and inductance mould, including main part and coil, the coil is in the inside of main part, and the inner wall of main part is used for positioning the coil. The utility model provides an inductance and inductance mould, and the coil is positioned to the centre through the centre column and the coaming, guarantees the positioning accuracy of coil, and further guarantees the centricity of coil.

Description

Technical Field

[0001] This utility model belongs to the field of inductor technology, specifically relating to an inductor and an inductor mold. Background Technology

[0002] Inductance is the ratio of the electromotive force or voltage generated in a conductor to the rate of change of the current that produces that voltage. It is a property of a closed circuit and characterizes the ability of a coil to generate electromagnetic induction. One existing type of inductor is made by pressing powder into a body in a mold and then embedding the coil inside the body.

[0003] In related technologies, when the coil is implanted into the main body, the coil needs to be positioned to ensure that the coil is centered relative to the main body. For inductors without a conductor frame, positioning is done solely by the center post. However, the center post is prone to breakage and failure when the coil is wound. Utility Model Content

[0004] The purpose of this invention is to propose an inductor and an inductor mold to solve the problem that positioning failure is easy to occur when relying solely on a central column for positioning in related technologies.

[0005] Therefore, this utility model provides an inductor, comprising: a body and a coil, wherein the coil is located inside the body, and the inner wall of the body is used to position the coil.

[0006] Preferably, the main body includes a base plate, a surrounding plate, and a central column, the surrounding plate surrounding the base plate, and the central column being located at the center of the base plate.

[0007] Preferably, the coil is wound around the central post.

[0008] Preferably, the length of the central column is greater than or equal to 0.5 mm.

[0009] Preferably, the gap between the outer coil of the coil and the inner wall of the surrounding plate is less than or equal to 0.1 mm.

[0010] Preferably, the outer coil of the coil is in contact with the inner wall of the enclosure.

[0011] Preferably, the height of the enclosure is less than the height of the coil.

[0012] Preferably, the thickness of the enclosure is greater than 0.05 mm.

[0013] Secondly, an inductor mold is provided, including a mold base with a mold cavity for forming an inductor.

[0014] Preferably, the mold base is provided with positioning holes.

[0015] Beneficial effects:

[0016] 1. This utility model provides an inductor and an inductor mold, which uses a central column and a surrounding plate to center the coil, ensuring the positioning accuracy of the coil and further ensuring the centering of the coil.

[0017] 2. The length of the central column in this utility model is greater than or equal to 0.5mm, which improves the strength of the central column and prevents the central column from being crushed during coil winding. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an embodiment 1 of the inductor provided by this utility model.

[0020] Figure 2 An exploded view of an embodiment 1 of an inductor provided by this utility model.

[0021] Figure 3 This is a schematic diagram of the main body of an embodiment 1 of the inductor provided by this utility model.

[0022] Figure 4 This is a schematic diagram of the structure of an embodiment 1 of an inductor mold provided by this utility model.

[0023] Figure 5 This is a schematic diagram illustrating the use of an embodiment 1 of the inductor mold provided by this utility model.

[0024] In the diagram, 1-main body, 11-base plate, 12-enclosing plate, 13-center column, 2-coil, 3-mold base, 31-mold cavity, 32-positioning hole. Detailed Implementation

[0025] The following detailed description of preferred embodiments of the present invention, along with the included examples, will make the content of the present invention more readily understood. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. In case of any conflict, the definitions in this specification shall prevail.

[0026] Example 1:

[0027] Provided such as Figure 1-5 An inductor shown includes a body 1 and a coil 2, the coil 2 being inside the body 1, and the inner wall of the body 1 being used to position the coil 2.

[0028] The main body 1 includes a base plate 11, a surrounding plate 12, and a central column 13. The surrounding plate 12 surrounds the base plate 11, and the central column 13 is located at the center of the base plate 11. The base plate 11, the surrounding plate 12, and the central column 13 are integrally formed by powder extrusion.

[0029] Coil 2 is wound around center post 13. The length of center post 13 is greater than or equal to 0.5 mm. If center post 13 is too small, it is easy to crush the center post when positioning coil 2. By ensuring the length of center post 13, it is possible to avoid crushing center post 13 when winding coil 2.

[0030] The gap between the outer coil of coil 2 and the inner wall of the surrounding plate 12 is less than or equal to 0.1 mm. More preferably, the outer coil of coil 2 is in contact with the inner wall of the surrounding plate 12. The coil 2 is centered using the central post 13 and the surrounding plate 12, ensuring the positioning accuracy of coil 2 and further guaranteeing its centering.

[0031] The height of the enclosure 12 is less than the height of the coil 2.

[0032] The thickness of the enclosure 12 is greater than 0.05 mm.

[0033] Secondly, an inductor mold is provided, including a mold base 3 with a mold cavity 31 for forming an inductor. The mold base 3 has positioning holes 32 for positioning the mold. After the powder material of the main body 1 is formed through the mold cavity 31, a coil 2 is placed inside the main body 1. The inner coil of the coil 2 is positioned by a central post 13, and the outer coil of the coil 2 is positioned by a surrounding plate 12, ensuring the positioning accuracy of the coil 2.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application 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 or all of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. An inductor, characterized by include: The main body and the coil are located inside the main body, and the inner wall of the main body is used to position the coil. The main body includes a base plate, a surrounding plate, and a central column. The surrounding plate surrounds the base plate, and the central column is located in the center of the base plate. The base plate, surrounding plate, and central column are integrally formed by powder extrusion. The coil is wound around a central post, the length of which is greater than or equal to 0.5 mm; The gap between the outer coil and the inner wall of the enclosure is less than or equal to 0.1 mm; the outer coil is in contact with the inner wall of the enclosure. The height of the enclosure is less than the height of the coil; The thickness of the enclosure panel is greater than 0.05 mm.

2. An inductive mold characterized in that, It includes a mold base, on which a mold cavity is provided, the mold cavity being used for forming an inductor as described in claim 1.

3. An inductive mold according to claim 2, wherein, The mold base is provided with positioning holes.

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