JP2008258239A - Bobbin for winding wire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bobbin for a winding wire, capable of coping with various specification changes of a wire at the least component change without exchanging the whole bobbin. <P>SOLUTION: The bobbin for the winding wire includes: a first side part member 11 having one side flange part 12 and a fitted part 17; a second side part member 21 having the other side flange part 22 and a fitting part 26 to be attached/detached to/from the fitted part 17; and a first middle member 31 and a second middle member 41 one of which or both of which are selectively arranged between the first and second side part members 11, 21. The first middle member 31 includes: a cylindrical part 35 constituting a winding core; a middle flange part 32 extending outward from the cylindrical part 35; a fitting part 36; and a fitted part 37. The second middle member 41 includes: a cylindrical part 45 constituting a winding core 5; a fitting part 46; and a fitted part 47. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a bobbin for winding in which a wire rod is wound around a core between a flange on one side and a flange on the other side.

  As this type of bobbin for winding, for example, in Patent Document 1, flanges projecting outward from the core are provided at both ends of a cylindrical core, and a plurality of intermediate rods are provided in the middle of the core. By disposing a partition plate as a part, it has been disclosed that separate wire rods can be wound between the adjacent flange portion and the partition plate and between the adjacent partition plate and the partition plate, respectively. Yes. Similarly, for example, Patent Document 2 discloses a split winding bobbin that allows a plurality of wire rods to be divided and wound around one core by using a partition plate.

FIG. 8 shows the general structure of such a bobbin 101. In the figure, a bobbin 101 includes a hollow cylindrical or square cylindrical core 102, a flange 103 on one side provided on both sides of the core 102, a flange 104 on the other side, and each flange 103. , 104 and a pedestal portion 107 with a lead pin 106 provided at the lower part of the. A wire rod (not shown) is wound around the core 102, and an end portion thereof is electrically connected to the conductive lead pin 106 by, for example, soldering. Further, by providing an intermediate flange (partition plate) as shown in Patent Document 1 or Patent Document 2 in the middle of the winding core 102, it is possible to cope with divided winding.
JP-A-8-17168 JP-A-7-106176

  In the above-described prior art, depending on the wire diameter and the number of turns of the wire wound around the core 102, the bobbin 101 shown in FIG. 8 may not be able to wind all of the wire. In such a case, for example, as shown in FIG. 9, another bobbin 111 having a winding core 112 longer in the axial direction than the bobbin 101 in FIG. 8 is used, or as shown in FIG. In the prior art, a bobbin 121 having large flanges 113 and 114 in the circumferential direction has been used. However, if the entire bobbin is replaced with a different one each time the specification of the wire is changed, the number of parts in the manufacturing process increases, which hinders cost reduction.

  The present invention has been made paying attention to each of the above problems, and provides a bobbin for winding that can cope with various specification changes on the wire side by changing as few parts as possible without replacing the entire bobbin. The purpose is to do.

  In order to achieve the above object, the present invention provides a winding bobbin comprising a winding core on which a wire is wound, and flanges respectively provided on one side and the other side of the winding core. A second side provided with a first side member provided with a flange and a fitted portion, and a fitting portion provided with the other side flange and detachable from the fitted portion. A first intermediate member that can be disposed by selecting one or a plurality of either or both of the side member and the first side member and the second side member; A second intermediate member, and the first intermediate member includes a cylindrical part that constitutes the core, an intermediate flange part that extends outward from the cylindrical part, and the fitting part. The second intermediate member includes a cylindrical portion that constitutes the winding core, the fitting portion, and the fitted portion.

  In this case, it is preferable that the first side member or the second side member is provided with a cylindrical portion constituting the winding core.

  In addition, it is preferable that the first side member includes the fitting portion, or the second side member includes the fitted portion.

  Furthermore, it is preferable to provide a lead member that is electrically connected to the end of the wire.

  According to the first aspect of the present invention, the first side member and the second side member are arranged on both sides of the winding bobbin, and a fitting / removing structure between the fitting portion and the fitted portion is used therebetween. One or a plurality of the first intermediate member and / or the second intermediate member can be combined. In this case, the cylindrical portions of the first intermediate member and the second intermediate member form the core of the final winding bobbin, and the intermediate flange portion of the first intermediate member divides and winds the wire. It functions as a partition plate. Therefore, without changing the whole winding bobbin, various changes including whether to make the shape suitable for split winding can be achieved by simply changing the number of combinations of the first intermediate member and the second intermediate member. Winding bobbins can be provided in response to changes in specifications on the wire side.

  According to the second aspect of the present invention, the first side member or the second side member is also provided with a cylindrical portion similar to the first intermediate member and the second intermediate member. The part can be used as a part of the core of the bobbin for winding.

  According to the invention of claim 3, the first side member is provided with a fitting portion that can be attached to and detached from the fitted portion, so that the first side member is the same as the first intermediate member. It can be used as an intermediate member with a hook.

  According to the invention of claim 4, the second side member is provided with the fitted portion to which the fitting portion can be attached and detached, so that the second side member is the same as the first intermediate member. It can be used as an intermediate member with a hook.

  According to the invention of claim 5, by providing the lead member on the winding bobbin, the ends of one or more wires wound around the winding core are connected to the lead member, for example, other electronic devices such as a substrate. A stable connection structure with the mechanical component can be realized.

  Hereinafter, a preferred embodiment of a bobbin for winding in the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 shows each part used in the winding bobbin in this embodiment individually. In the figure, reference numeral 11 denotes a first side member which forms one side of the finished bobbins 1 to 5 (see FIGS. 3 to 7), which is formed on one side formed in an annular shape. It comprises a flange 12 and a pedestal 14 with a lead pin 13 provided below the flange 12. Reference numeral 21 denotes a second side member which forms the other side of the finished bobbins 1 to 5 for winding, and includes a flange 22 on the other side formed in an annular shape and a lower side of the flange 22. A pedestal portion 24 with a lead pin 23 provided on the rim, and a hollow cylindrical portion 25 extending from one side of the flange portion 22. At the center of the flange portion 12 on one side, a hole having a concavo-convex peripheral edge is formed as the fitted portion 17, and the shape of the cylindrical portion 25 is detachable from the fitted portion 17. An annular fitting portion 26 is formed at the tip. More preferably, the second side member 21 is also formed with a hole having a concavo-convex peripheral edge as the fitted portion 27 at the center of the other flange portion 22. The fitted portion 27 has the same shape as the fitted portion 17 formed on the flange portion 12 on the one side.

  Apart from the first side member 11 and the second side member 21, the first intermediate member 31 and the second intermediate member 31 are used in order to obtain various forms of the winding bobbins 1 to 5 in this embodiment. Four intermediate members 41 are prepared. The first intermediate member 31 is equivalent to the shape obtained by removing the pedestal portion 24 with the lead pin 23 from the second side member 21. That is, the first intermediate member 31 includes an annular intermediate flange 32 corresponding to the other flange 22, and a hollow cylindrical portion 35 extending from one side of the intermediate flange 32. In a shape that can be attached to and detached from the fitted portions 17 and 27, an annular fitting portion 36 is formed at the tip of the cylindrical portion 35, and a peripheral edge thereof is formed in an uneven shape at the center of the intermediate collar portion 32. A hole is formed as the fitted portion 37.

  On the other hand, the second intermediate member 41 forms an annular fitting portion 46 at the distal end of the hollow cylindrical portion 45, while its peripheral edge is formed in an uneven shape at the proximal end of the cylindrical portion 45. A hole is formed as the fitted portion 47. The fitting part 46 has the same shape as the other fitting parts 26 and 36 so that it can be attached to and detached from the fitted parts 17, 27 and 37, and the fitted part 47 is also another fitted part. 17, 27, 37 have the same shape. Therefore, the first side member 11, the second side member 21, the first intermediate member 31, and the second intermediate member 41 shown in FIG. 1 are fitted to the fitting portions 26, 36, and 46. The parts 17, 27, 37 and 47 can be connected to each other by fitting.

  The flange portion 12 on the one side and the flange portion 22 on the other side may be, for example, a rectangular ring shape, and the flange portions 12 and 22 do not have to have the same shape. Moreover, although each cylindrical part 25,35,45 becomes the same shape in the example shown in FIG. 1, this may also each be a different shape. In the present embodiment, the first side member 11 is provided with a pedestal portion 14 with lead pins 13, and the second side member 21 is provided with a pedestal portion 24 with lead pins 23 having the same or different shape. However, such a pedestal portion with a lead pin is also provided on the first intermediate member 31 (in this case, the first intermediate member 31 is substantially the same component as the second side member 21), A pedestal with a lead pin may be provided only on the intermediate member 31. Moreover, the number of the lead pins 13 and 23 provided in each base part 14 and 24 is not specifically limited.

  On the lower surface of the pedestal portion 14 constituting the first side member 11, there is a wire rod (not shown) wound around the completed bobbins 1 to 5 for winding described later, and the lower surface of the pedestal portion 14. A barrier 18 made of an insulating member is provided so as to protrude from the provided lead pin 13. In addition, a barrier 28 similar to this is also provided so as to protrude from the lower surface of the pedestal portion 24 constituting the second side member 21. These barriers 18 and 28 are for securing a creeping distance between the lead pins 13 and 23 and the wire wound around the bobbins 1 to 5 for winding.

  FIG. 2 is a view of the second intermediate member 41 as viewed from the fitting portion 46 side. In order to ensure a creepage distance between the wire wound around the finished bobbins 1 to 5 and the core (not shown) attached to the bobbins 1 to 5 for winding, it is formed in an annular shape. The end edge 49 of the fitting portion 46 is formed in an uneven shape. In addition, the same uneven | corrugated | grooved part is provided not only in the edge 49 of the fitting part 46 but in the other fitting parts 26 and 36. FIG.

  Next, various forms of the completed winding bobbins 1 to 5 are shown in FIGS. Each of the winding bobbins 1 to 5 in each of these drawings includes the first side member 11, the second side member 21, the first intermediate member 31, and the second intermediate member 41 shown in FIG. 1. All or any of the above is obtained by combining one or more. However, in all the examples, the first side member 11 is used on one side of the finished winding bobbins 1 to 5 and the second side member 21 is used on the other side. ing.

  The winding bobbin 1 shown in FIG. 3 uses the first intermediate member 31 and the second intermediate member 41 one by one between the first side member 11 and the second side member 21. , Each is fitted. Here, the cylindrical portions 35, 45, 25 arranged in the axial direction constitute the core 55 of the winding bobbin 1. In the middle of the winding core 55, an intermediate flange 32 corresponding to a partition plate is provided, and one or more kinds of wire rods (not shown) are divided and wound by the intermediate flange 32, respectively. Can do. Also, the end of the first wire wound around the cylindrical portion 35 is connected to the lead pin 13 by soldering or the like, and the end of the second wire wound around the cylindrical portions 45 and 25 is also soldered. It can be connected to the lead pin 23 by attaching. Each lead pin 13, 23 is inserted into a through hole provided in a printed circuit board (not shown), for example, and is soldered to the through hole to stabilize the winding bobbin 1 and the printed circuit board. Connection is achieved.

  In the winding bobbin 2 shown in FIG. 4, two second intermediate members 41 are arranged and fitted between the first side member 11 and the second side member 21. Here, the cylindrical portions 45, 45, 25 aligned in the axial direction constitute the core 65 of the winding bobbin 2. Further, in the middle of the winding core 65, there is no member corresponding to the partition plate, and one or several kinds of wire rods (not shown) are provided between the flange portion 12 on one side and the flange portion 22 on the other side. Can be wound in common. Here too, the ends of the wire wound around the cylindrical portions 45, 45, 25 can be connected by soldering or the like.

  In the winding bobbin 3 shown in FIG. 5, two first intermediate members 31 are fitted side by side between the first side member 11 and the second side member 21. Here, the cylindrical portions 35, 35, 25 aligned in the axial direction constitute the core 75 of the winding bobbin 3. In the middle of the winding core 75, two intermediate flange portions 32 and 32 corresponding to the partition plate are provided, and one or more kinds of wire rods (not shown) are respectively provided by the intermediate flange portions 32 and 32. Can be divided and wound. Then, the first wire rod is wound around the cylindrical portion 35 between the flange portion 12 on one side and the intermediate flange portion 32, and the second portion is wound on the cylindrical portion 35 between the intermediate flange portions 32, 32. And winding the third wire around the cylindrical portion 25 between the intermediate flange portion 32 and the other flange portion 22, and using the lead pins 13 and 23, The ends can be connected by soldering.

  Thus, as shown in FIGS. 4 and 5, only one of the first intermediate member 31 and the second intermediate member 41 is connected to the first side member 11 and the second side member 21. It is also possible to interpose them.

  The winding bobbin 4 shown in FIG. 6 includes a second intermediate member 41, a first intermediate member 31, and a second intermediate member between the first side member 11 and the second side member 21. The intermediate member 41 is fitted in order. Here, the cylindrical portions 45, 35, 45, 25 aligned in the axial direction constitute the core 85 of the winding bobbin 4. In the middle of the core 85, an intermediate flange 32 corresponding to a partition plate is provided, and one or more types of wire rods (not shown) are divided and wound by the intermediate flange 32, respectively. Can do. Also, the end of the first wire wound around the cylindrical portions 45 and 35 is connected to the lead pin 13 by soldering or the like, and the end of the second wire wound around the cylindrical portions 45 and 25 is Similarly, it can be connected to the lead pin 23 by soldering or the like.

  That is, in the winding bobbin 4 shown in FIG. 6, the winding width around which the first wire is wound is increased by the amount of the cylindrical portion 45 compared to the winding bobbin 1 shown in FIG. 3. Thus, by increasing or decreasing the second intermediate member 41, the winding width, which is the axial width of the core 85, can be easily changed without changing the number of intermediate collar portions 32 corresponding to the partition plate. Can do.

  A winding bobbin 5 shown in FIG. 7 is obtained by replacing the first intermediate member 31 of the winding bobbin 4 shown in FIG. 6 with a second side member 21. Here, the cylindrical portions 45, 25, 45, 25 aligned in the axial direction constitute the core 95 of the winding bobbin 4. In the middle of the winding core 95, a flange portion 22 on the other side corresponding to the partition plate is provided, and one or more kinds of wire rods (not shown) are divided by the flange portion 22 on the other side. Can be wound. Moreover, the other flange portion 22 corresponding to the partition plate is provided with a pedestal portion 24 with a lead pin 23, and a cylindrical shape between the one flange portion 12 and the other flange portion 22. Solder the end of the first wire wound around the portions 45 and 35 and the end of the second wire wound around the cylindrical portions 45 and 25 between the flanges 22 and 22 on the other side. Etc. can be connected.

  As shown in FIG. 7, as in the case of the first intermediate member 31 and the second intermediate member 41, in order to interpose the second side member 21 in the middle, only the fitting portion 26 is used as described above. Instead, it is necessary to form the fitted portion 27 on the second side member 21. In this way, the second side member 21 can be used as a flanged intermediate member similar to the first intermediate member 31.

  In addition to those shown in FIG. 3 to FIG. 7, the first intermediate member 31, the second intermediate member 41, the first intermediate member 31, and the second intermediate member 41 are provided between the first side member 11 and the second side member 21. It goes without saying that various forms of bobbins for winding can be obtained by selecting one or more of the two side members 21 and superposing them.

  As described above, in this embodiment, the winding cores 55, 65, 75, 85, and 95 around which the wire is wound are provided on one side and the other side of the winding cores 55, 65, 75, 85, and 95, respectively. In the winding bobbins 1, 2, 3, 4, and 5 including the flange portions 12 and 22, the first side member 11 including the flange portion 12 on one side and the fitted portion 17 is provided. The second side member 21 provided with the flange portion 22 on the other side and the fitting portion 26 detachably attached to the fitted portion 17, the first side member 11, and the second side portion Between the member 21, either one or both of them includes a first intermediate member 31 and a second intermediate member 41 that can be arranged by selecting one or more. The first intermediate member 31 includes: A cylindrical portion 35 that constitutes the winding cores 55, 75, and 85, an intermediate collar portion 32 that extends outward from the cylindrical portion 35, and a fitting portion 36. The second intermediate member 41 includes a cylindrical part 45, a fitting part 46, and a fitted part 47 that constitute the cores 55, 65, 85, and 95. I have.

  Thus, the first side member 11 and the second side member 21 are arranged on both sides of the winding bobbin, and the fitting portions 26, 36, 46 and the fitted portions 17, 37, 47 are interposed therebetween. One or a plurality of one or both of the first intermediate member 31 and the second intermediate member 41 can be combined using the attachment / detachment structure. In this case, the cylindrical portions 35 and 45 of the first intermediate member 31 and the second intermediate member 41 are the cores 55, 65, 75, and the like of the final winding bobbins 1, 2, 3, 4, 5. The intermediate flange 32 of the first intermediate member 31 functions as a partition plate when the wire is divided and wound. Therefore, even if the entire winding bobbins 1, 2, 3, 4, and 5 are not replaced, the number of combinations of the first intermediate member 31 and the second intermediate member 41 is changed as appropriate, so that the winding bobbin 1, 2, 3, 4, 5 can be adapted to split winding. Winding bobbins 1, 2, 3, 4, and 5 corresponding to various specifications on the wire side can be provided, including whether or not to change the shape.

  In the present embodiment, the second side member 21 is provided with a cylindrical portion 25 that constitutes a part of the cores 55, 65, 75, 85, and 95. The side member 11 may be provided. If the cylindrical part 25 is provided in at least the first side member 11 or the second side member 21, the first intermediate member is also provided in the first side member 11 and the second side member 21. 31 and the second intermediate member 41 are provided with the same cylindrical portion 25, so that this cylindrical portion 25 is wound around the winding cores 55, 65, 75 of the winding bobbins 1, 2, 3, 4, 5. , 85, 95.

  In the present embodiment, the second side member 21 includes not only the fitting portion 26 but also the fitted portion 27. As described above, the second side member 21 is provided with the fitted portion 27 to which the fitting portions 26, 36, 46 of other members can be attached and detached. It can be used as a flanged intermediate member similar to the one intermediate member 31.

  For the same purpose, although not shown here, the first side member 11 may include not only the fitted portion 17 but also a fitting portion. In other words, the first side member 11 is also provided with a detachable fitting portion on the fitted portions 17, 27, 37, 47 of other members, so that the first side member 11 is changed to the first side member 11. It can be used as an intermediate member with a hook similar to the intermediate member.

  Furthermore, in this embodiment, the lead pins 13 and 23 as the lead members that are electrically connected to the end portions of the wire rods are replaced with the first side member 11, the second side member 21, the first intermediate member 31, Preferably, it is provided on any or all of the two intermediate members 41.

  By providing the lead pins 13, 23 on the winding bobbins 1, 2, 3, 4, 5, the end portions of one or more wires wound around the winding cores 55, 65, 75, 85, 95 are connected to the lead pins 13, For example, a stable connection structure with another electronic mechanism component such as a substrate can be realized.

  In addition, this invention is not limited to the said Example, A various deformation | transformation implementation is possible in the range of the summary of this invention. The shape of each member 11, 21, 31, 41 shown in FIG. 1 is merely an example, and can be appropriately changed without departing from the gist of the present invention.

It is a disassembled front view of the bobbin in one Embodiment of this invention. It is a left view of a 2nd intermediate member same as the above. It is a front view of the completed bobbin comprised combining each member shown in FIG. It is a front view of another completed bobbin. It is a front view of another completed bobbin. It is a front view of another completed bobbin. It is a front view of another completed bobbin. It is a front view which shows the general structure of the bobbin in a prior art example. FIG. 8 is a front view of another bobbin used in place of the bobbin in FIG. 7 when the number of windings of the wire is insufficient. It is a front view of another bobbin different from FIG.

Explanation of symbols

1, 2, 3, 4, 5 Winding bobbin 11 First side member 12 One side collar 13, 23 Lead pin 22 Other side collar 17, 27, 37, 47 Fitted part 21 Second Side members 25, 35, 45 Cylindrical portions 26, 36, 46 Fitting portions 31 First intermediate member 32 Intermediate flange 41 Second intermediate member 55, 65, 75, 85, 95

Claims (5)

In a winding bobbin comprising a winding core on which a wire is wound, and a flange provided on one side and the other side of the winding core,
A first side member including the flange on the one side and a fitted portion;
A second side member provided with a flange on the other side, and a fitting portion detachably attached to the fitted portion;
Between the first side member and the second side member, either one or both of the first intermediate member and the second intermediate member can be arranged by selecting one or more. With
The first intermediate member includes a cylindrical portion that constitutes the core, an intermediate flange portion that extends outward from the cylindrical portion, the fitting portion, and the fitted portion. With
The bobbin for winding, wherein the second intermediate member includes a cylindrical portion that constitutes the winding core, the fitting portion, and the fitted portion.   The winding bobbin according to claim 1, wherein the first side member or the second side member is provided with a cylindrical portion constituting the core.   The winding bobbin according to claim 1 or 2, wherein the first side member includes the fitting portion.   The bobbin for winding according to any one of claims 1 to 3, wherein the fitting portion is provided in the second side member.   The winding bobbin according to any one of claims 1 to 4, further comprising a lead member that is electrically connected to an end of the wire.

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