JPS614386U - spark plug - Google Patents
spark plugInfo
- Publication number
- JPS614386U JPS614386U JP8809984U JP8809984U JPS614386U JP S614386 U JPS614386 U JP S614386U JP 8809984 U JP8809984 U JP 8809984U JP 8809984 U JP8809984 U JP 8809984U JP S614386 U JPS614386 U JP S614386U
- Authority
- JP
- Japan
- Prior art keywords
- spark plug
- tip
- metal shell
- porcelain insulator
- inner cavity
- 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
- Spark Plugs (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
【図面の簡単な説明】
第１図は本考案点火プラグの実施例の要部を示す縦一面
、第２図は先行技術による点火プラグの従来例を示す要
部縦断面図である。
１：中心電極、２：磁器絶縁体、２ａ：脚部、３：主体
金具、３ａ：内腔、３ｂ：絶縁被覆層、５：管状絶縁部
材、６：金属管。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view showing the main parts of an embodiment of the spark plug of the present invention, and FIG. 2 is a longitudinal cross-sectional view of the main parts of a conventional example of the spark plug according to the prior art. DESCRIPTION OF SYMBOLS 1: Center electrode, 2: Porcelain insulator, 2a: Leg portion, 3: Metal shell, 3a: Inner cavity, 3b: Insulating coating layer, 5: Tubular insulating member, 6: Metal tube.
Claims (1)
設した主体金具の内腔に保持されてなる内燃機関用点火
プラグにおいて、前記主体金具の先端部における磁器絶
縁体脚部を囲む内腔の内面に断熱絶縁材よりなる管状絶
縁部材が嵌着されて成ることを特徴とする点火プラグ。A spark plug for an internal combustion engine in which a porcelain insulator holding a center electrode is held in the inner cavity of a metal shell having an outer electrode protruding from the tip thereof, has an inner cavity surrounding a porcelain insulator leg at the tip of the metal shell. A spark plug characterized in that a tubular insulating member made of a heat insulating material is fitted onto the inner surface of a cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8809984U JPS614386U (en) | 1984-06-15 | 1984-06-15 | spark plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8809984U JPS614386U (en) | 1984-06-15 | 1984-06-15 | spark plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS614386U true JPS614386U (en) | 1986-01-11 |
Family
ID=30640920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8809984U Pending JPS614386U (en) | 1984-06-15 | 1984-06-15 | spark plug |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS614386U (en) |
-
1984
- 1984-06-15 JP JP8809984U patent/JPS614386U/en active Pending
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