JPH02252217A - Ignition coil device for internal combustion engine - Google Patents
Ignition coil device for internal combustion engineInfo
- Publication number
- JPH02252217A JPH02252217A JP1071816A JP7181689A JPH02252217A JP H02252217 A JPH02252217 A JP H02252217A JP 1071816 A JP1071816 A JP 1071816A JP 7181689 A JP7181689 A JP 7181689A JP H02252217 A JPH02252217 A JP H02252217A
- Authority
- JP
- Japan
- Prior art keywords
- ignition coil
- coil
- internal combustion
- combustion engine
- coil device
- 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
- 238000002485 combustion reaction Methods 0.000 title claims description 15
- 238000004804 winding Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000009751 slip forming Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は内燃機関点火コイル装置に関するものである
。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an ignition coil device for an internal combustion engine.
第５図、第６図は例えば実開昭６１−１８１８７７号公
報に示された従来の内燃機関点火コイル装置を示す図で
あり、第５図は内燃機関点火コイル装置を配電器に内蔵
した状態を示す断面図、第６図は上記点火コイル装置の
平面図である。図において、（１）は点火コイル本体で
あり、環状に形成された１次コイル（２１）と２次コイ
ル（２２）とを有するコイル巻線（２）と、口字状に積
層されこのコイル巻線（２）に電磁的に結合するように
径方向に対称的に配設された４つの鉄心からなる積層鉄
心（３）と、外装材（４）とを有して構成されている。5 and 6 are diagrams showing a conventional internal combustion engine ignition coil device disclosed in, for example, Japanese Utility Model Application No. 61-181877, and FIG. 5 shows a state in which the internal combustion engine ignition coil device is built into a power distribution device. FIG. 6 is a plan view of the ignition coil device. In the figure, (1) is the ignition coil body, which includes a coil winding (2) having a primary coil (21) and a secondary coil (22) formed in an annular shape, and a coil winding (2) that is laminated in a square shape. It includes a laminated core (3) made up of four cores arranged symmetrically in the radial direction so as to be electromagnetically coupled to the winding (2), and an exterior material (4).
上記外装材（４）は樹脂製のケース（４１）とケース（
４１）の内部空隙に充填され、コイル巻線（２）を保護
、絶縁すると共に、このコイル巻線（２）、鉄心（３）
、及びケース（４１）を一体的に固着する充填樹脂（４
２）からなっている。上記点火コイル本体（１）は配電
器を構成するハウジング（５）内に収容され、ばね鋼板
（図示省略）により矢印Ａ方向に押さえ付けることによ
りハウジング（５）に固定されている。なお、（６）は
内燃機関（図示省略）の回転に同期して回転されるシャ
フト、（７）は点火時期制御ユニット、（８）は配電ロ
ータ、（９）は配電キャップである。The above exterior material (4) consists of a resin case (41) and a case (
41) to protect and insulate the coil winding (2), as well as to protect and insulate the coil winding (2) and the iron core (3).
, and a filled resin (4) that integrally fixes the case (41).
2). The ignition coil main body (1) is housed in a housing (5) constituting a power distributor, and is fixed to the housing (5) by pressing in the direction of arrow A with a spring steel plate (not shown). Note that (6) is a shaft rotated in synchronization with the rotation of an internal combustion engine (not shown), (7) is an ignition timing control unit, (8) is a power distribution rotor, and (9) is a power distribution cap.
また、（２３）は上記１次コイル（２１）または２次コ
イル（２２）に電気的に接続された端子部である。Further, (23) is a terminal portion electrically connected to the primary coil (21) or the secondary coil (22).
上記構成においてハウジング（５）の内周面は点火コイ
ル本体（１）の外周面に沿った形状に形成されているの
で、点火コイル本体（１）は被取付部であるハウジング
（５）に対し、回転方向には形状の凹凸により係止され
、軸方向にはばね鋼板により押さえ付けることによって
位置決めされ、固定されている。In the above configuration, the inner peripheral surface of the housing (5) is formed in a shape that follows the outer peripheral surface of the ignition coil main body (1), so that the ignition coil main body (1) is attached to the housing (5). , is locked in the rotational direction by the unevenness of the shape, and is positioned and fixed in the axial direction by being pressed by a spring steel plate.
上記のように構成された従来の内燃機関点火コイル装置
においては、点火コイル本体（１）の被取付部に対する
固定をばね鋼板で押さえつけるという構造であったため
、固定が不十分であったり、位置決めも困難であるとい
う問題点があった。In the conventional internal combustion engine ignition coil device configured as described above, the ignition coil main body (1) was fixed to the attached part using a spring steel plate, which resulted in insufficient fixation and poor positioning. The problem was that it was difficult.
また点火コイル本体（１）を配電器に内蔵させず、内燃
機関または車体に直接取り付けることも行なわれるが（
図示省略）、この場合においても鉄板等により特別に作
られたホルダ、ブラケットなどの取付用治具とボルトな
どの固定手段により固定しており、取（ｆ用治具を必要
とするなどの問題点が有った３
この発明は上記のような課題を解消するためになされた
もので、特別な治具を必要とせず点火コイル本体の固定
が確実であり、しかも位置決めも容易な内燃機関点火コ
イル装置を得ることを目的とする。In addition, the ignition coil body (1) is not built into the power distribution device, but is attached directly to the internal combustion engine or vehicle body.
(not shown), and in this case as well, it is fixed using a mounting jig such as a holder or bracket specially made from an iron plate, etc., and a fixing means such as bolts, and there are problems such as the need for a jig for mounting (f). This invention was made in order to solve the above-mentioned problems, and it is an internal combustion engine ignition system in which the ignition coil body can be securely fixed without the need for special jigs, and the positioning is easy. The purpose is to obtain a coil device.
この発明に係る内燃機関点火コイル装置は、鉄心または
外装材の外周部に、上記コイル巻線の軸方向に平行な方
向の貫通孔または上記方向に連続して形成された溝から
なる受容部を設け、この受容部に磁性体からなる固定手
段を挿通して被取付部に固定され得るように構成したも
のである。The internal combustion engine ignition coil device according to the present invention has a receiving portion formed of a through hole in a direction parallel to the axial direction of the coil winding or a groove continuously formed in the above direction in the outer peripheral part of the iron core or the sheathing material. A fixing means made of a magnetic material is inserted into the receiving part and fixed to the attached part.
本発明における点火コイル装置は外周部に受容部を設け
ており、この受容部に固定手段を挿通して被取付部に固
定される。The ignition coil device according to the present invention is provided with a receiving portion on the outer periphery, and the fixing means is inserted into the receiving portion to be fixed to the attached portion.
以下、本発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図及び第２図において、（１０）は鉄心（３）の外
周部にコイル巻線（２）の軸芯Ｏに平行な方向に貫通し
て設けられた受容部、（１１）はこの受容部（１０）を
挿通し被取付部であるハウジング（５）にコイル本体（
１）を固定するための固定手段である。この固定手段（
１１）は高透磁率材料からなり、鉄心（３）の磁路の一
部を分担している。その他の符号は上記従来装置と同様
であるから説明を省略する３上記構成において、コイル
本体（１）は鉄心（３）の外周部にコイル巻線（２）の
軸芯方向と平行な方向に設けられた貫通孔からなる受容
部（１０）を挿通する固定手段（１１）によって被取付
部であるハウジング（５）に固定される。従って固定が
確実であり、位置決めも容易である。しかも特別な治具
を必要としないので取付、固定が簡単である。なお、固
定手段（ｉｉ）は高透磁率材料を用いているので、磁気
特性の低下も無視し得るものとなっている。In Figures 1 and 2, (10) is a receiving part provided on the outer periphery of the iron core (3) in a direction parallel to the axis O of the coil winding (2), and (11) is this receiving part. Insert the receiving part (10) and insert the coil body (
1) is a fixing means for fixing. This fixing means (
11) is made of a high magnetic permeability material and shares a part of the magnetic path of the iron core (3). The other symbols are the same as those of the conventional device, so their explanation will be omitted. 3 In the above configuration, the coil body (1) is attached to the outer periphery of the iron core (3) in a direction parallel to the axial direction of the coil winding (2). It is fixed to the housing (5), which is an attached part, by a fixing means (11) inserted through a receiving part (10) formed of a provided through hole. Therefore, fixation is reliable and positioning is easy. Moreover, since no special jig is required, installation and fixing are easy. Note that since the fixing means (ii) is made of a high magnetic permeability material, the deterioration in magnetic properties can be ignored.
第３図、第４図はこの発明の他の実施例を示すもので、
この実施例では受容部（１０）は外装材（４）の外周部
に貫通して設けられており、しかもコイル巻線（２）の
軸方向両端面部にそれぞれ績層されたケイ素鋼板からな
る磁路形成補助部材（１２） （１２）が径方向に向け
て配設されている。その他の符号は上記第１図に示す実
施例と同様である。3 and 4 show other embodiments of this invention,
In this embodiment, the receiving portion (10) is provided penetrating the outer circumferential portion of the sheathing material (4), and is made of magnetic silicon steel plates laminated on both axial end surfaces of the coil winding (2). A channel forming auxiliary member (12) (12) is arranged in the radial direction. Other symbols are the same as those in the embodiment shown in FIG. 1 above.
上記構成において、固定手段（１１）も高透磁率材料か
らなっているなめ、磁路形成補助部材（１２）との協働
作用によりコイル巻線（２）のまわりの漏えい磁束が小
さくなり、点火コイルの効率が向上するという付随効果
がある。なお上記磁路形成補助部材（１２）の材質、積
層数などは特に限定されるものではなく、また設備方法
も例えば点火コイル本体（１）に後から貼着し、あるい
は充填樹脂（４２）と−木切に注型するなど適宜の方法
を採用することができる。In the above configuration, since the fixing means (11) is also made of a high magnetic permeability material, the leakage magnetic flux around the coil winding (2) is reduced due to the cooperative action with the magnetic path forming auxiliary member (12), and the ignition A side effect is that the efficiency of the coil is increased. The material and the number of layers of the magnetic path forming auxiliary member (12) are not particularly limited, and the installation method may be, for example, by attaching it to the ignition coil body (1) later, or by attaching it to the filling resin (42). - Appropriate methods such as casting into wood can be used.
なお、上記実施例では外装材（４）がき成樹脂製のケー
ス（４１）及び充填樹脂（４２）からなるものに°つい
て説明したが必ずしもこれに限定されるものではない０
例えばケース（４１）の材料が異なるもの、デース（４
１）を備えていないもの、積層鉄心（３）の外側面が露
出されたものなどであっても差し支えなく、上記実施例
と同様に実施できることは明白である。また、受容部（
１０）は必ずしも貫通孔に限定されるものではなく、外
周面に貫通孔と同じ方向に連続して設けた溝によって構
成してもよい。In addition, in the above embodiment, the case was explained in which the exterior material (4) was made of a molded resin case (41) and a filled resin (42), but the present invention is not necessarily limited to this.
For example, case (41) made of different material, case (41)
It is clear that the structure can be implemented in the same manner as in the above embodiment even if the structure is not equipped with 1) or the outer surface of the laminated core (3) is exposed. In addition, the receptor part (
10) is not necessarily limited to a through hole, but may be formed by a groove continuously provided on the outer peripheral surface in the same direction as the through hole.
さらに受容部（１０）の設備数なども特に限定されるも
のでないことは勿論である。Furthermore, it goes without saying that the number of receiving parts (10) installed is not particularly limited.
また、点火コイル本体（１）は配電器（５）に内蔵する
ものに限定されるものではなく、例えば内燃機関のエン
ジンブロックや車体に直接取り付けるものてあっても差
し支えない。要するに、上記実施例はこの発明の理解を
容易にするために示した例に過ぎず、上記の他この発明
の精神の範囲内で種々の変形や変更が可能であることは
勿論である。Further, the ignition coil main body (1) is not limited to one built into the power distributor (5), and may be directly attached to the engine block of an internal combustion engine or the vehicle body, for example. In short, the above-described embodiments are merely examples shown to facilitate understanding of the present invention, and it goes without saying that various modifications and changes can be made in addition to those described above within the scope of the spirit of the present invention.
以上のようにこの発明によれば、鉄心または外装材の外
周部に、上記コイル巻線の軸方向に平行な方向の貫通孔
または上記方向に連続して形成された溝からなる受容部
を設け、この受容部に磁性体からなる固定手段を挿通し
て被取付部に固定され得るように構成したので、特別な
治具を必要とせず、被取付部への取り付けが簡単確実で
あり、しかも位置決めも容易な内燃機関点火コイル装置
が得られるという効果がある。As described above, according to the present invention, a receiving portion consisting of a through hole in a direction parallel to the axial direction of the coil winding or a groove continuously formed in the above direction is provided on the outer periphery of the core or the sheathing material. Since the fixing means made of a magnetic material is inserted into the receiving part so that it can be fixed to the part to be attached, there is no need for a special jig, and the attachment to the part to be attached is simple and reliable. This has the effect of providing an internal combustion engine ignition coil device that is easy to position.
第１図及び第２図は本発明の一実施例による内燃機関点
火コイル装置の構成を示すもので、第１図は平面図、第
２図は第１図の■−■線における断面図である。第３図
及び第４図はこの発明の曲の実施例を示すもので第３図
は平面図、第４図は第３図のＩＶ−ＩＶ線における断面
図である。第５図及び第６図は従来の内燃機関点火コイ
ル装置を示すもので第５図は配電器に取り付けた状態を
示す断面図、第６図は平面図である３
図において（１）は点火コイル本体、（２）はコイル巻
線、（３）は積層鉄心、（４）は外装材、（１０）は受
容部、り１１）は固定手段である。なお、図中、同一符
号は同一 または相当部分を示す。1 and 2 show the configuration of an internal combustion engine ignition coil device according to an embodiment of the present invention, FIG. 1 is a plan view, and FIG. 2 is a sectional view taken along the line ■-■ in FIG. 1. be. 3 and 4 show an embodiment of a song according to the present invention, with FIG. 3 being a plan view and FIG. 4 being a sectional view taken along the line IV--IV in FIG. 3. Figures 5 and 6 show a conventional internal combustion engine ignition coil device. Figure 5 is a cross-sectional view showing the state where it is attached to a power distribution device, and Figure 6 is a plan view. A coil body, (2) a coil winding, (3) a laminated core, (4) an exterior material, (10) a receiving portion, and (11) a fixing means. In addition, the same symbols in the figures indicate the same or equivalent parts.
Claims (1)
ル巻線と、このコイル巻線に対し電磁的に結合して設け
られた積層鉄心と、上記コイル巻線外周部の少なくとも
一部を包囲する外装材とを有する内燃機関点火コイル装
置において、上記鉄心または外装材の外周部に、上記コ
イル巻線の軸方向に平行な方向の貫通孔または上記方向
に連続して形成された溝からなる受容部を設け、この受
容部に磁性体からなる固定手段を挿通して被取付部に固
定され得るようにしたことを特徴とする内燃機関点火コ
イル装置。A coil winding having a primary coil and a secondary coil and wound in an annular shape, a laminated core provided electromagnetically coupled to the coil winding, and at least a portion of the outer periphery of the coil winding. In an internal combustion engine ignition coil device having a sheathing material surrounding the core or sheathing material, a through hole in a direction parallel to the axial direction of the coil winding or a groove continuously formed in the direction 1. An ignition coil device for an internal combustion engine, characterized in that a receiving part is provided, and a fixing means made of a magnetic material can be inserted into the receiving part and fixed to an attached part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1071816A JPH02252217A (en) | 1989-03-27 | 1989-03-27 | Ignition coil device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1071816A JPH02252217A (en) | 1989-03-27 | 1989-03-27 | Ignition coil device for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02252217A true JPH02252217A (en) | 1990-10-11 |
Family
ID=13471461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1071816A Pending JPH02252217A (en) | 1989-03-27 | 1989-03-27 | Ignition coil device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02252217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6294974B1 (en) | 1998-01-23 | 2001-09-25 | Sumitomo Wiring Systems, Ltd. | Ignition coil for internal combustion engine, and method of manufacturing an ignition coil |
-
1989
- 1989-03-27 JP JP1071816A patent/JPH02252217A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6294974B1 (en) | 1998-01-23 | 2001-09-25 | Sumitomo Wiring Systems, Ltd. | Ignition coil for internal combustion engine, and method of manufacturing an ignition coil |
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