JPH0261178U - - Google Patents
Info
- Publication number
- JPH0261178U JPH0261178U JP14052488U JP14052488U JPH0261178U JP H0261178 U JPH0261178 U JP H0261178U JP 14052488 U JP14052488 U JP 14052488U JP 14052488 U JP14052488 U JP 14052488U JP H0261178 U JPH0261178 U JP H0261178U
- Authority
- JP
- Japan
- Prior art keywords
- core
- bobbin
- movable plunger
- magnetic material
- electromagnetic coil
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims 5
- 239000000463 material Substances 0.000 claims 4
- 239000000843 powder Substances 0.000 claims 3
- 230000005284 excitation Effects 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は、本考案を適用した燃料噴射弁の縦断
面図である。
１……燃料噴射弁、２……電磁コイル、３……
ケーシング、４……ボビン、４ａ，４ｂ……フラ
ンジ、５……噴射ノズル、６……カバー、７……
燃料入口、８……フイルタ、９……燃料通路、１
０……段部、１１……リターンスプリング、１２
……プランジヤ、１３……上側部分、１４……下
端部分、１５……ターミナル、１６……ソケツト
、１７……ニードル、１８……ノズルボデイ、１
９……燃料噴射孔、２０……ガイド孔。
FIG. 1 is a longitudinal sectional view of a fuel injection valve to which the present invention is applied. 1... Fuel injection valve, 2... Electromagnetic coil, 3...
Casing, 4... Bobbin, 4a, 4b... Flange, 5... Injection nozzle, 6... Cover, 7...
Fuel inlet, 8...Filter, 9...Fuel passage, 1
0...Step part, 11...Return spring, 12
... Plunger, 13 ... Upper part, 14 ... Lower end part, 15 ... Terminal, 16 ... Socket, 17 ... Needle, 18 ... Nozzle body, 1
9... Fuel injection hole, 20... Guide hole.
Claims (1)
記ボビンに巻装されたコイルとからなる電磁コイ
ル構造であつて、 前記ボビンの少なくとも一部分が、軟磁性材料
の微粉末を混合したプラスチツク材料により前記
コアと一体成形されていることを特徴とする電磁
コイル構造。 (2) 前記軟磁性材料の微粉末が、前記プラスチ
ツク材料に７０〜９５重量％の割合で混合されて
いることを特徴とする実用新案登録請求の範囲第
１項に記載の電磁コイル構造。 (3) 前記コア及び前記ボビンの前記一部分が、
前記プラスチツク材料を射出成形することにより
形成されることを特徴とする実用新案登録請求の
範囲第１項または第２項に記載の電磁コイル構造
。 (4) コアと、前記コアを外装するボビンと、前
記ボビンに巻装されたコイルと、前記コイルの励
磁により前記コアに磁気吸引される可動プランジ
ヤと、前記可動プランジヤを前記コアから離反方
向に付勢するばねと、前記可動プランジヤにより
開閉弁される噴射ノズルとを備える燃料噴射弁で
あつて、 前記ボビンの前記可動プランジヤ側の部分が非
磁性材料で形成され、かつ前記可動プランジヤ側
部分以外の前記ボビンの一部分と前記コアとが、
軟磁性材料の微粉末を混合したプラスチツク材料
で一体成形されていることを特徴とする燃料噴射
弁。[Claims for Utility Model Registration] (1) An electromagnetic coil structure consisting of a core, a bobbin sheathing the core, and a coil wound around the bobbin, wherein at least a portion of the bobbin is made of a soft magnetic material. An electromagnetic coil structure characterized in that it is integrally molded with the core from a plastic material mixed with fine powder. (2) The electromagnetic coil structure according to claim 1, wherein the fine powder of the soft magnetic material is mixed with the plastic material at a ratio of 70 to 95% by weight. (3) The core and the portion of the bobbin,
The electromagnetic coil structure according to claim 1 or 2, wherein the electromagnetic coil structure is formed by injection molding the plastic material. (4) a core, a bobbin for sheathing the core, a coil wound around the bobbin, a movable plunger that is magnetically attracted to the core by excitation of the coil, and a movable plunger that moves the movable plunger in a direction away from the core. A fuel injection valve comprising a biasing spring and an injection nozzle that is opened and closed by the movable plunger, wherein a portion of the bobbin on the movable plunger side is formed of a non-magnetic material, and a portion other than the movable plunger side portion is formed of a non-magnetic material. a portion of the bobbin and the core,
A fuel injection valve characterized by being integrally molded from a plastic material mixed with fine powder of soft magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14052488U JPH0261178U (en) | 1988-10-28 | 1988-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14052488U JPH0261178U (en) | 1988-10-28 | 1988-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0261178U true JPH0261178U (en) | 1990-05-07 |
Family
ID=31404774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14052488U Pending JPH0261178U (en) | 1988-10-28 | 1988-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0261178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008507660A (en) * | 2004-07-26 | 2008-03-13 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Fuel injection valve |
-
1988
- 1988-10-28 JP JP14052488U patent/JPH0261178U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008507660A (en) * | 2004-07-26 | 2008-03-13 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Fuel injection valve |
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