JPH04350331A - Electromagnet - Google Patents
ElectromagnetInfo
- Publication number
- JPH04350331A JPH04350331A JP3123439A JP12343991A JPH04350331A JP H04350331 A JPH04350331 A JP H04350331A JP 3123439 A JP3123439 A JP 3123439A JP 12343991 A JP12343991 A JP 12343991A JP H04350331 A JPH04350331 A JP H04350331A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- coil
- attraction
- force
- fixed magnetic
- 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
Landscapes
- Electromagnets (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【０００１】0001
【産業上の利用分野】本発明は、ディーデルエンジンの
燃料遮断用ソレノイドに係り、特に吸引力向上に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuel cutoff solenoid for a Diedel engine, and more particularly to improving suction power.
【０００２】0002
【従来の技術】従来の技術は、実開昭６３−９１７７３
号公報に記載のように、吸引コイルと、保持コイルの
軸方向の配置を吸引コイルは可動磁極側、保持コイルは
固定磁極側とした構造になっていた。[Prior art] The conventional technology is Utility Model Application No. 63-91773.
As described in the publication, the attracting coil and the holding coil are arranged in the axial direction such that the attracting coil is on the movable magnetic pole side and the holding coil is on the fixed magnetic pole side.
【０００３】0003
【発明が解決しようとする課題】上記従来技術は、可動
磁極の軸方向移動に有効な磁力の確保がなされる構造に
なっておらず、必要吸引力を確保するためにコイル仕様
のパワーアップ，磁気回路のサイズアップ等をおこなわ
なければ吸引力を確保出来ないような構造となっていた
。本発明の目的は、磁力が可動磁極の固定磁極吸着側端
面に有効に働く構造とし、吸引力を確保することにある
。[Problems to be Solved by the Invention] The above-mentioned prior art does not have a structure that ensures effective magnetic force for moving the movable magnetic pole in the axial direction. The structure was such that the attraction force could not be secured unless the size of the magnetic circuit was increased. An object of the present invention is to provide a structure in which the magnetic force effectively acts on the fixed magnetic pole attracting side end face of the movable magnetic pole to ensure attractive force.
【０００４】0004
【課題を解決するための手段】上記目的は、各コイルの
軸方向配置を吸引コイルは固定磁極側に、保持コイルは
可動磁極に配置し、可動磁極の固定磁極吸着側端面を吸
引コイル巻き範囲に設けることにより達成できる。[Means for Solving the Problems] The above object is to arrange the axial direction of each coil such that the attraction coil is placed on the fixed magnetic pole side, the holding coil is placed on the movable magnetic pole, and the end face of the movable magnetic pole on the fixed magnetic pole attraction side is the area where the attraction coil is wound. This can be achieved by providing
【０００５】[0005]
【作用】吸引コイルの配置を固定磁極側にすることによ
り通電時、発生する起磁力が可動磁極の固定磁極吸着側
端面に有効に作用し、効果的な磁気回路を構成し、可動
磁極の軸方向移動に有効な磁力が働き高吸引力を確保す
ることができるのである。[Action] By arranging the attraction coil on the fixed magnetic pole side, the magnetomotive force generated when energized effectively acts on the fixed magnetic pole attraction side end face of the movable magnetic pole, forming an effective magnetic circuit, and Magnetic force is effective for directional movement, and high attractive force can be ensured.
【０００６】[0006]
【実施例】以下、本発明の一実施例を図１，図２，図３
により説明する。[Example] An example of the present invention will be described below in Figs. 1, 2, and 3.
This is explained by:
【０００７】１はディーゼルエンジンであり燃料を各気
筒に分配するインジェクションポンプ２を備えている。
３はソレノイドアッセンブリであり、キ−スイッチ４を
介してバッテリー５に接続されている。ソレノイドアッ
センブリ３は次の如く構成されている。磁気回路はヨー
ク６，ポンプ取付用フランジ７，プランジャ８で構成さ
れ、該プランジャ８の戻り側端面に、非磁性体スペーサ
９が装着されている。１０は該プランジャ８の軸方向移
動用ガイドの黄銅チューブである。前述ヨーク６は、プ
レス等の製法により作られた馬蹄形状であり、フランジ
７とネジ等により固定され、その内側にボビン１１に吸
引コイル１２，保持コイル１３を分割巻で設けたものを
再度樹脂にてモールディング外装１４が設けられている
。以上のような構成であり、本発明の具体的な作用は次
の通りである。キースイッチ４をＯＮすると、吸引コイ
ル１２に通電され、磁界が発生する。Reference numeral 1 denotes a diesel engine, which is equipped with an injection pump 2 that distributes fuel to each cylinder. 3 is a solenoid assembly, which is connected to a battery 5 via a key switch 4. The solenoid assembly 3 is constructed as follows. The magnetic circuit is composed of a yoke 6, a pump mounting flange 7, and a plunger 8, and a non-magnetic spacer 9 is attached to the return side end surface of the plunger 8. 10 is a brass tube that serves as a guide for moving the plunger 8 in the axial direction. The aforementioned yoke 6 has a horseshoe shape made by a manufacturing method such as a press, and is fixed to a flange 7 with screws, etc. Inside the yoke 6, a bobbin 11 with a suction coil 12 and a holding coil 13 arranged in separate windings is again coated with resin. A molding exterior 14 is provided at. With the above configuration, the specific effects of the present invention are as follows. When the key switch 4 is turned on, the attraction coil 12 is energized and a magnetic field is generated.
【０００８】この時、該吸引コイル１２の内側にプラン
ジャ８が設置されており該プランジャ８，ヨーク６，フ
ランジ７のループ１５を形成し、プランジャ８はヨーク
６の端面に吸引する。ここで、吸引コイル１２の配置を
固定磁極側に設置し、プランジャ８の固定磁極吸着側端
面を前述、吸引コイル１２設置範囲内に配置することに
より、通電時、発生する磁力は前述端面に働き、軸方向
移動に有効となり、即ち吸引力を有効に確保できるので
ある。本発明によれば、吸引コイル１２を固定磁極側に
配置し、プランジャ８の固定磁極吸着側端面を、前述、
吸引コイル設置部範囲内に配置することにより、通電時
発生する磁界がプランジャ８の固定磁極吸着側端面に有
効に働き、よって本発明の一実施例の起磁力−吸引力特
性１６は吸引コイルが可動磁極側にある場合の起磁力−
吸引力特性１７に、較べ同一起磁力で高い吸引力を確保
できるのである。At this time, a plunger 8 is installed inside the attraction coil 12, and the plunger 8, yoke 6, and flange 7 form a loop 15, and the plunger 8 attracts the end face of the yoke 6. Here, by arranging the attraction coil 12 on the fixed magnetic pole side and arranging the end face of the plunger 8 on the fixed magnetic pole attraction side within the installation range of the attraction coil 12, the magnetic force generated when energized acts on the end face. , is effective for axial movement, that is, it is possible to effectively secure suction force. According to the present invention, the attraction coil 12 is arranged on the fixed magnetic pole side, and the end face of the plunger 8 on the fixed magnetic pole attraction side is
By arranging the attraction coil within the area where the attraction coil is installed, the magnetic field generated when energized acts effectively on the end face of the fixed magnetic pole attraction side of the plunger 8. Therefore, the magnetomotive force-attraction force characteristic 16 of the embodiment of the present invention is such that the attraction coil is Magnetomotive force when it is on the movable magnetic pole side -
Compared to the attraction force characteristic 17, a high attraction force can be secured with the same magnetomotive force.
【０００９】[0009]
【発明の効果】本発明によれば、吸引コイルを固定磁極
側に配置し、プランジャの固定磁極吸着側端面を前述、
吸引コイル設置部範囲内に配置することにより、通電時
発生する磁界がプランジャの固定磁極吸着側端面に有効
に働き、本発明の一実施例の起磁力−吸引力特性は吸引
コイルが可動磁極側にある場合の起磁力−吸引力特性に
、較べ同一起磁力で高い吸引力を確保できるのである。[Effects of the Invention] According to the present invention, the attraction coil is arranged on the fixed magnetic pole side, and the end face of the plunger on the fixed magnetic pole attraction side is
By arranging the attraction coil within the area where the attraction coil is installed, the magnetic field generated when energized acts effectively on the fixed magnetic pole attraction side end face of the plunger, and the magnetomotive force-attraction force characteristic of one embodiment of the present invention is such that the attraction coil is on the movable magnetic pole side. Compared to the magnetomotive force-attractive force characteristic when the magnetomotive force is the same, a high attractive force can be secured with the same magnetomotive force.
【図１】本発明の一実施例の縦断面図である。FIG. 1 is a longitudinal sectional view of an embodiment of the present invention.
【図２】本発明の一実施例の要素斜視図である。FIG. 2 is a perspective view of elements of an embodiment of the present invention.
【図３】起磁力−吸引力特性比較を示す図である。FIG. 3 is a diagram showing a comparison of magnetomotive force-attractive force characteristics.
６…ヨーク、８…プランジャ、１２…吸引コイル、１３
…保持コイル、１６…本発明の一実施例の起磁力−吸引
力特性、１７…固定磁極がある場合の起磁力−吸引力特
性。6... Yoke, 8... Plunger, 12... Attraction coil, 13
... Holding coil, 16... Magnetomotive force-attractive force characteristics of an embodiment of the present invention, 17... Magnetomotive force-attractive force characteristics when there is a fixed magnetic pole.
Claims (3)
巻き、回りに磁気回路を形成、内部に可動磁極を設けた
電磁石に於いて、軸方向の各コイルの配置が吸引コイル
が固定磁極側、保持コイルが可動磁極側であることを特
徴とする電磁石。Claim 1: In an electromagnet in which an attraction coil and a holding coil are wound separately on a bobbin, a magnetic circuit is formed around the bobbin, and a movable magnetic pole is provided inside, the arrangement of each coil in the axial direction is such that the attraction coil is on the fixed magnetic pole side. , an electromagnet characterized in that the holding coil is on the movable magnetic pole side.
磁極吸着側端面の配置が、吸引コイル巻き範囲内にある
ことを特徴とする請求項１記載の電磁石。2. The electromagnet according to claim 1, wherein in the solenoid, an end face of the movable magnetic pole on the attracting side of the fixed magnetic pole is arranged within a range of winding of the attracting coil.
クが兼ねることを特徴とする請求項１記載の電磁石。3. The electromagnet according to claim 1, wherein in the solenoid, a yoke also serves as a fixed magnetic pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3123439A JPH04350331A (en) | 1991-05-28 | 1991-05-28 | Electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3123439A JPH04350331A (en) | 1991-05-28 | 1991-05-28 | Electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04350331A true JPH04350331A (en) | 1992-12-04 |
Family
ID=14860621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3123439A Pending JPH04350331A (en) | 1991-05-28 | 1991-05-28 | Electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04350331A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6401685B1 (en) * | 2001-02-02 | 2002-06-11 | Walbro Corporation | Carburetor with a fuel shut off solenoid |
| US7388461B2 (en) | 2004-01-21 | 2008-06-17 | Keihin Corporation | Electromagnetic apparatus |
| US7487798B2 (en) | 2004-03-31 | 2009-02-10 | Keihin Corporation | Linear solenoid valve |
| US7503347B2 (en) | 2004-03-24 | 2009-03-17 | Keihin Corporation | Linear solenoid valve |
| JP2010118607A (en) * | 2008-11-14 | 2010-05-27 | Kayaba Ind Co Ltd | Solenoid |
-
1991
- 1991-05-28 JP JP3123439A patent/JPH04350331A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6401685B1 (en) * | 2001-02-02 | 2002-06-11 | Walbro Corporation | Carburetor with a fuel shut off solenoid |
| US7388461B2 (en) | 2004-01-21 | 2008-06-17 | Keihin Corporation | Electromagnetic apparatus |
| US7503347B2 (en) | 2004-03-24 | 2009-03-17 | Keihin Corporation | Linear solenoid valve |
| US7487798B2 (en) | 2004-03-31 | 2009-02-10 | Keihin Corporation | Linear solenoid valve |
| JP2010118607A (en) * | 2008-11-14 | 2010-05-27 | Kayaba Ind Co Ltd | Solenoid |
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