JPH0173906U - - Google Patents
Info
- Publication number
- JPH0173906U JPH0173906U JP1987169096U JP16909687U JPH0173906U JP H0173906 U JPH0173906 U JP H0173906U JP 1987169096 U JP1987169096 U JP 1987169096U JP 16909687 U JP16909687 U JP 16909687U JP H0173906 U JPH0173906 U JP H0173906U
- Authority
- JP
- Japan
- Prior art keywords
- core
- shaped core
- bobbin
- ring
- variable inductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
第１図は本考案の一実施例による可変インダク
タの構成を示す断面図、第２図は第１図の可変イ
ンダクタの斜視図、第３図は第１図の可変インダ
クタの分解斜視図、第４図は第１図の可変インダ
クタのギヤツプＧａｐとインダクタンス変化量Δ
Ｌ／Ｌの関係を示す特性図、第５図は従来のドラ
ム形インダクタの構造を示す断面図、第６図は従
来の可変インダクタの構造を示す断面図である。
１…上部キヤツプ、１ａ…雌ネジ部、２…雄ネ
ジ状の分割型回転ベース、３…上部フエライトコ
ア、４…ボビン、４ａ…巻線部、５…下部フエラ
イトコア。
1 is a sectional view showing the configuration of a variable inductor according to an embodiment of the present invention, FIG. 2 is a perspective view of the variable inductor of FIG. 1, and FIG. 3 is an exploded perspective view of the variable inductor of FIG. Figure 4 shows the gap Gap and inductance variation Δ of the variable inductor in Figure 1.
A characteristic diagram showing the L/L relationship, FIG. 5 is a sectional view showing the structure of a conventional drum-shaped inductor, and FIG. 6 is a sectional view showing the structure of a conventional variable inductor. DESCRIPTION OF SYMBOLS 1...Upper cap, 1a...Female threaded portion, 2...Male threaded split type rotating base, 3...Upper ferrite core, 4...Bobbin, 4a...Winding portion, 5...Lower ferrite core.
Claims (1)
リング状コアとからなる第１のコアと、 該第１のコア内に挿入され、前記円板状コアに
固定され、中心線に沿つた貫通孔を有し、巻線が
巻回させたボビンと、 該ボビンの前記貫通孔に挿入され、鍔部を有す
る第２のコアと、 該第２のコアの前記鍔部に被せられる分割型の
雄ネジと、 該雄ネジに螺合され、前記第１のコアの前記リ
ング状コアの外周端に固定された雌ネジとを有す
る可変インダクタ。[Claims for Utility Model Registration] A first core consisting of a disc-shaped core and a ring-shaped core standing upright from the outer periphery of the disc-shaped core; and a ring-shaped core inserted into the first core; a bobbin fixed to the bobbin, having a through hole along the center line, and around which a winding wire is wound; a second core inserted into the through hole of the bobbin and having a flange; A variable inductor comprising: a split male screw that is placed over the flange of the variable inductor; and a female screw that is screwed onto the male screw and fixed to an outer peripheral end of the ring-shaped core of the first core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169096U JPH0331062Y2 (en) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169096U JPH0331062Y2 (en) | 1987-11-06 | 1987-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0173906U true JPH0173906U (en) | 1989-05-18 |
| JPH0331062Y2 JPH0331062Y2 (en) | 1991-07-01 |
Family
ID=31458859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169096U Expired JPH0331062Y2 (en) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331062Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4211302Y1 (en) * | 1965-06-17 | 1967-06-23 | ||
| JPS6154605A (en) * | 1984-08-24 | 1986-03-18 | Matsushita Electric Ind Co Ltd | High frequency coil |
-
1987
- 1987-11-06 JP JP1987169096U patent/JPH0331062Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0331062Y2 (en) | 1991-07-01 |